CN209148838U - Pcb board detection device - Google Patents

Abstract

The utility model provides a kind of pcb board detection device, it includes micromatic setting, test circuit module, test fixture and ccd sensor, wherein micromatic setting includes pedestal, fine tuning module on the base is arranged and is connected to the tuning plate finely tuned in module, test fixture includes fixed plate, jig plate and probe, and the positioning column for being supported positioning to pcb board is provided in fixed plate.The pcb board detection device of the utility model is by being divided into fixed plate and jig plate for test fixture, fixed plate is connect with pedestal, probe is fixed in multilayer jig plate and one end runs through fixed plate and extends to outside, so that when pcb board is fixed on positioning column, micromatic setting can be adjusted by the position for carrying out globality to all jig plates and probe, pcb board then remains stationary, so that the process of bending deformation is not present in probe, to ensure that the service life and test yield of probe.

Description

Pcb board detection device

Technical field

The utility model relates to pcb board testing equipment field, in particular to a kind of pcb board detection device.

Background technique

PCB (Printed Circuit Board), Chinese is printed circuit board, also known as printed circuit board, track Road plate, is important electronic component, is the supporter of electronic component, is the supplier of electronic component electrical connection, in PCB In the manufacturing process of plate, it is influence shipment product quality vital one that the test program of pcb board, which is highly important, Ring；

One end of the probe of test equipment in the prior art is used to be electrically connected with pcb board, and the other end is used for and test Circuit module is electrically connected, and in the prior art, probe can be fixed by the first jig plate close to the one of test circuit module End, and since test circuit module is fixedly disposed on the stationary parts such as cabinet or substrate, by the first jig plate and machine The stationary parts such as case or substrate, which are fixedly connected, just can guarantee probe and the stable electric connection of test circuit module, while pass through the The fixed probe of two jig plates is close to one end of pcb board, and the second jig plate connect with micromatic setting, and micromatic setting passes through pulling the Two jig plates adjust probe, so that probe aligned with the instrument connection on pcb board, and in long-term test use process Probe meeting one way or another bending deformation or even fatigue fracture, it is low so as to cause the high testing efficiency of machine-spoiled rate, it even results in Non-defective unit pcb board is by the problem of accidentally survey is problem board.

Therefore need to provide a kind of pcb board detection device to solve above-mentioned technical problem.

Utility model content

The utility model provides a kind of pcb board detection device, by the way that test fixture is divided into fixed plate and jig plate, Gu Fixed board is connect with pedestal, and probe is fixed in multilayer jig plate and one end runs through fixed plate and extends to outside, existing to solve Have the pcb board test equipment in technology by adjusting the position of most upper one layer of jig plate come pull adjust end of probe position It sets, in long-term test use process middle probe head meeting one way or another bending deformation or even fatigue fracture, probe service life It is low, and it is low to will lead to testing efficiency, or even non-defective unit pcb board occurs by the problem of accidentally survey is problem board.

In order to solve the above technical problems, the technical solution of the utility model are as follows: a kind of pcb board detection device comprising:

Micromatic setting including pedestal, the fine tuning module being arranged on the pedestal and is connected in the fine tuning module Tuning plate；

Test circuit module is connected to the lower section of the tuning plate, for testing pcb board；

Test fixture, including fixed plate, jig plate and probe, the probe are fixed in jig plate described in multilayer And one end extends to outside through the fixed plate, for being electrically connected pcb board and the test circuit module, the jig plate It is connect with the tuning plate, the fixed plate is connect with the pedestal, is provided in the fixed plate for carrying out to pcb board Support the positioning column of positioning；

Ccd sensor is arranged in the test fixture for carrying out positioning of taking pictures to the index point on pcb board, in institute The both ends for stating test fixture are provided with the ccd sensor.

In the present invention, the fixed plate is fixedly connected by connection component with the pedestal, the connection component Including fixed link, sliding part, link block and spring；

One end of the fixed link is fixedly connected with the pedestal, and the other end is fixedly connected with end head, in the end The side in portion is provided with sliding slot, and the sliding part is slidably connected with the sliding slot, the lifting of glide direction and the lower test group Direction is consistent, and the link block is fixedly connected on the sliding part, and the fixed plate is fixedly connected with the link block, described One end of spring is connect with the end head, and the other end is connect with the sliding part, described for returning back to for the sliding part Setting position on sliding slot provides elastic pulling force.

Wherein, the both ends of the fixed plate pass through one group described in connection component be fixedly connected with the pedestal, one group of institute Stating connection component includes two fixed links, and the end head is fixedly connected by screw with the fixed link.

Further, the connection lug for connecting with the sliding part, two companies are provided on the link block The two sides that lug is connected to the sliding part are connect, are provided on the inside of the connection lug corresponding with the sliding part Link slot, screw passes through the connection lug and the sliding part and forms a fixed connection.

In the present invention, when pcb board is placed on the positioning column, the probe and pcb board at a distance of setting away from From so that the micromatic setting can pass through the jig plate and adjust the probe when pcb board is fixed on the positioning column Position.

In the present invention, the fine tuning module includes:

First sliding block is slidably connected on the pedestal；

Second sliding block is slidably connected on the top surface of first sliding block, the glide direction of second sliding block with it is described The glide direction of first sliding block is vertical；

Sleeve member is fixed on the top surface of second sliding block；

Turntable part is rotatably connected in the sleeve member by two bearings, the extending direction of pivot center and the liter The lifting direction of falling unit is consistent, the extending direction of the pivot center, the glide direction of first sliding block and described The glide direction of two sliding blocks is orthogonal, one end of the turntable extended out at the top of the sleeve member it is external with the fine tuning Plate connection.

Further, it is provided with baffle at the both ends of the sleeve member, is arranged with sleeve member on the turntable part, The locating slot for the bearing to be arranged is provided on the inner wall of the sleeve member, it is sliding far from described second on the turntable part One end of block is provided with the shaft shoulder, and the shaft shoulder and the baffle are used to limit the outside of the bearing on one side, described fixed Position slot and the sleeve member for limiting the inside of the bearing on one side.

Further, it is provided with sliding slot on the top surface of first sliding block, is removably set on second sliding block It is equipped with sliding rail block, screw connects penetrating on one side for the sliding rail block from second sliding block and is fixedly connected with the sleeve member, when When the sliding rail block is fixedly connected with second sliding block, the sliding rail block is contacted with screw limit.

In addition, the micromatic setting further includes three groups for driving the driving assembly of the first sliding block sliding, wherein one The driving direction of group the driving component is X-direction, and in addition the driving direction of two groups of the driving component is Y-direction, the side X To orthogonal with the Y-direction.

In the present invention, fixed frame is provided on the tuning plate, the test fixture is arranged in the fixation On frame, holding tank is provided on the fixed frame, test circuit module one end is provided with link block, and the link block is solid It is fixed to be arranged in the holding tank.

The utility model compared to the prior art, it has the advantage that: the pcb board detection device in the utility model passes through Test fixture is divided into fixed plate and jig plate, fixed plate is connect with pedestal, and probe is fixed in multilayer jig plate and one End extends to outside through fixed plate, so that micromatic setting can be by all fixtures when pcb board is fixed on positioning column The position that plate and probe carry out globality is adjusted, and pcb board then remains stationary, so that the process of bending deformation is not present in probe, from And it ensure that the service life and test yield of probe.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below in embodiment Required attached drawing is briefly described, and the accompanying drawings in the following description is only that the section Example of the utility model is corresponding Attached drawing.

Fig. 1 is the structural representation using the preferred embodiment of the pcb board test machine of the pcb board detection device of the utility model Figure.

Fig. 2 is the structural representation using the test cell of the pcb board test machine of the pcb board detection device of the utility model Figure.

Fig. 3 is the structural representation using the lower test group of the pcb board test machine of the pcb board detection device of the utility model Figure.

Fig. 4 is that lower test group removes the structural schematic diagram after test fixture in Fig. 3.

Fig. 5 is the structural representation using the test fixture of the pcb board test machine of the pcb board detection device of the utility model Figure.

Fig. 6 is the structural representation using the connection component of the pcb board test machine of the pcb board detection device of the utility model Figure.

Fig. 7 is the structural representation using the micromatic setting of the pcb board test machine of the pcb board detection device of the utility model Figure.

Fig. 8 is the structural representation using the fine tuning module of the pcb board test machine of the pcb board detection device of the utility model Figure.

Fig. 9 is the structural representation using the magnetic railings ruler component of the pcb board test machine of the pcb board detection device of the utility model Figure.

Figure 10 is the structural representation using the feed unit of the pcb board test machine of the pcb board detection device of the utility model Figure.

Figure 11 is to be shown using the structure of the charging manipulator of the pcb board test machine of the pcb board detection device of the utility model It is intended to.

Figure 12 be using the positioning plate of the pcb board test machine of the pcb board detection device of the utility model, flexible locating piece, The top view of slide bar and lifting unit.

Figure 13 is the structural representation using the discharging unit of the pcb board test machine of the pcb board detection device of the utility model Figure.

Figure 14 is the connection knot of the torsional spring and cabinet using the pcb board test machine of the pcb board detection device of the utility model Structure schematic diagram.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without making creative work The every other embodiment obtained, fall within the protection scope of the utility model.

Test equipment in the prior art is all to be tested using fixed upper and lower test fixture pcb board, above and below It cannot be made a relative move between test fixture, for counting, biggish pcb board can only just use more set test fixtures, subregion It is tested one by one, so that testing efficiency is very low, in addition, the probe on test fixture cannot be adjusted according to deviation situation It is whole, or fine tuning can only be realized by pulling probe, it is curved in long-term test use process middle probe head meeting one way or another Song deformation or even fatigue fracture, it is low so as to cause testing efficiency, non-defective unit pcb board is even resulted in by the problem of accidentally survey is problem board.

It the following is a kind of pcb board detection device that can solve the above technical problem provided by the utility model, pass through as follows It is a kind of to be illustrated using the embodiment of the pcb board test machine of the pcb board detection device of the utility model.

Fig. 1 and Figure 13 are please referred to, wherein Fig. 1 is the PCB plate test machine using the pcb board detection device of the utility model Preferred embodiment structural schematic diagram, Figure 13 be using the utility model pcb board detection device pcb board test machine go out The structural schematic diagram of material unit.

The similar unit of structure is to be given the same reference numerals in the figure.

A kind of pcb board test machine comprising feed unit 11, test cell 12 and discharging unit 13；

Feed unit 11 is located at one end of test cell 12, for being transported pcb board crawl extremely by charging manipulator 63 It is tested in test cell 12；

Discharging unit 13 is located at the other end of test cell 12, according to test whether passing through, uses discharging manipulator 131 are delivered to the pcb board being completed on corresponding outfeed platforms, and outfeed platforms here include qualified products placement platform 132, product placement platform 133 of opening a way and short-circuit product placement platform 134, wherein being asked since the quantity of qualified products is much larger than The quantity of product is inscribed, therefore the setting position of qualified products placement platform 132 may be provided at one end closer to test cell 12, from And can be shortened the moving distance of discharging manipulator 131, it is energy saving.

Referring to figure 2., Fig. 3 and Fig. 5, wherein Fig. 2 is to be surveyed using the pcb board of the pcb board detection device of the utility model The structural schematic diagram of the test cell of test-run a machine, Fig. 3 are the pcb board test machine using the pcb board detection device of the utility model The structural schematic diagram of lower test group, Fig. 5 are the test clip using the pcb board test machine of the PCB board checking device of the utility model The structural schematic diagram of tool.

Narration explanation is carried out to test cell 12 as follows；

Test cell 12 includes cabinet 21, controller, upper test group 23, lower test group 24 and lifting device, by going up and down Device drives lower test group 24 to rise to carry out electrical testing with two sides of upper test group 23 cooperation to pcb board 35；

Specifically, being respectively arranged with charging window and discharging window in the opposite two sides of cabinet 21, it is being located at charging window Side between discharging window is provided with action pane, and the product in feed unit 11 enters test cell through feeding window 12, the window that discharged of the product after testing on test cell 12 is delivered on discharging unit 13, and action pane is for equipment Installation and the observation of test process；

It wherein can refer to the visual angle orientation in Fig. 1, the orientation of the test cell in Fig. 2 is left view direction in Fig. 1, and Fig. 2 In eliminate the side plate of cabinet to show cabinet inside structure, the left side of cabinet in Fig. 1 is arranged in charging window, i.e., close to charging The right side of cabinet in Fig. 1 is arranged in the side of unit 11, discharging window, i.e. the side close to discharging unit 13, action pane is set Set the front of the cabinet in Fig. 1；

Controller is connected to the outside of cabinet 21；

The bottom in cabinet 21 is arranged in lifting device, is electrically connected with controller, sets in the top surface two sides of lifting device It is equipped with sliding rail, driving device 2F is provided between the sliding rail of two sides；

Lower 24 two sides of the bottom of test group are slidably connected on corresponding sliding rail, and are connect with driving device 2F to be slided Driving force, tested one by one by the position of mobile lower test group 24 come the multiple regions to CPB plate, eliminate more sets and survey The cumbersome procedure that examination fixture changes, testing efficiency are high；

The both ends of upper test group 23 are rotatably connected on respectively on the inner wall of cabinet 21, are rotatably connected to and are used on cabinet 21 The telescopic rod 22 that test group 23 rotates in driving, one end of telescopic rod 22 and upper test group 23 are rotatablely connected, 22 both ends of telescopic rod Pivot center it is parallel with the pivot center of upper test group 23, upper test group 23 includes and lower 24 phase of test group in rotary motion trace Pair test position and the installation position opposite with action pane, when upper test group 23 turn to test position when, lower test group 24 can Pcb board rising is carried, so that upper test group 23 and the close pressing of lower test group 24, and then the two sides of pcb board is surveyed respectively Examination, when upper test group 23 turns to installation position, is highly convenient for the dismounting of its component；

Upper test group 23 and lower test group 24 in the utility model include ccd sensor 3C, micromatic setting and survey Fixture is tried, ccd sensor 3C, micromatic setting are electrically connected with controller, and ccd sensor 3C setting is used in test fixture It takes pictures in the index point on pcb board 35, according to information of taking pictures, it is fixed that micromatic setting can drive test fixture to be finely adjusted Position；

Preferably, the both ends in test fixture are provided with ccd sensor 3C, carry out to two index points of pcb board 35 It takes pictures positioning, reasonable quantity and the precision for guaranteeing positioning enough.

In addition, being provided with universal wheel 26 and fixed feet 25 in the bottom of cabinet 21, fixed feet 25 is threaded in cabinet 21 bottom to adjust the bearing height of fixed feet 25 by screwing, so as to by contact of the control universal wheel 26 with ground and It is no, to carry out mobile or fixed in position to cabinet 21.

Incorporated by reference to Fig. 2 and Figure 14, wherein Figure 14 is the PCB plate test machine using the pcb board detection device of the utility model Torsional spring and cabinet attachment structure schematic diagram.

Narration explanation is carried out to upper test group 23 and the connection of cabinet 21 as follows；

It is connected with torsional spring 73 between 21 inner wall of upper test group 23 and cabinet, support plate 71 is fixedly installed on inner wall, Rotating member 72 is connected in support plate 71, rotating member here can be the sub-assembly of shaft or shaft and bearing；

Torsional spring 73 includes the first connecting pin 731 and second connection end 732, and torsional spring 73 can be arranged in the company of upper test group 23 Between fishplate bar 231 and the inner wall of cabinet 21, first for connecting with the first connecting pin 731 is arranged on the inner wall of cabinet 21 and connects Socket part is provided with for the second connecting portion with second connection end 732 on connecting plate 231；

Optionally, torsional spring 73 can also be arranged between connecting plate 231 and support plate 71, the setting of first connecting portion 74 is existed In support plate 71, second connecting portion is arranged on connecting plate 231；

Connecting plate 231 in upper test group 23 can be located by connecting between support plate 71 and the inner wall of cabinet 21, then It is connect with first connecting portion 74 and second connecting portion by the first connecting pin 731 of torsional spring 73 and second connection end 732 are corresponding, Rotating member 72 is run through again later and is inserted and fixed；

When upper test group 23 is located at test position, the center of gravity of upper test group 23 is located at the lower section of pivot center, and torsional spring 73 In the first elastic position, when upper test group 23 is located at installation position, the height of C.G. of upper test group 23 is higher than when being located at test position Height of C.G., torsional spring 73 are located at the second elastic position, and elastic potential energy when torsional spring 73 is located at the first elasticity, which is greater than, is located at the second bullet Elastic potential energy when property position；

In the case where not set torsional spring 73, upper test group 23 is maintained at test position under the effect of gravity, and telescopic rod 22 exists Test group 23 needs to overcome the larger gravity of upper test group 23 in driving during turning to installation position by test position, can lead The serious wear of telescopic rod 22 is caused, and the setting of torsional spring 73 can offset test group 23 in gravity, to mitigate telescopic rod 22 driving resistance, prolongs its service life, operational reliability is higher；

In addition, it is necessary to which explanation, can be arranged positioning link between upper test group 23 and cabinet 21, so that upper test When group reaches test position or installation position, it can keep in the position, being conducive to subsequent test job or disassembly by positioning link Work.

Referring to figure 3., Fig. 4 and Fig. 5, wherein Fig. 4 is that lower test group removes the structural schematic diagram after test fixture in Fig. 3；

Narration explanation is carried out to lower test group as follows；

In the present invention, the pcb board 35 in fixed plate 36 is electrically connected by probe 3B and test circuit module 39 To be tested；

Wherein, it is provided with fixed frame 3A on the tuning plate of micromatic setting 33, the middle part of tuning plate 33 and fixed frame 3A are equal It is provided with through hole, holding tank is provided on fixed frame 3A, 39 one end of test circuit module is provided with link block 391, surveys Examination circuit module 39 is located in the through hole of tuning plate 33 and fixed frame 3A, and link block 391 is fixed in holding tank, Structurally reasonable, space utilization rate is high；

Optionally, according to the actual situation, can also on pedestal 31 through hole with to test circuit module 39 formation keep away position；

Test fixture is fixedly connected on fixed frame 3A by intermediate plate 3A1, be provided on intermediate plate 3A1 through hole with Electric connection for probe 3B and test circuit module 39 provides space；

In this way, test circuit module 39 and test fixture can be simultaneously with tuning plates 33 when tuning plate 33 drives and finely tunes It adjusts and moves, test circuit module 39 is consistent with the mobile adjusting of test fixture, so that whole in jig plate 37 and probe 3B In mobile adjustment process, the probe 3B on test circuit module 39 and test fixture is able to maintain stable electric connection.

Specifically, test fixture includes fixed plate 36, jig plate 37 and probe 3B, jig plate 37 is micro- with micromatic setting Tuned plate 33 connects, and fixed plate 36 is fixedly connected with the pedestal 31 of micromatic setting, is provided in the fixed plate 36 of lower test group 24 For being supported the positioning column 361 of positioning to pcb board 35, positioning corresponding with positioning column 361 is provided on PCB plate Hole；

Fixed plate 36 in the present embodiment is connect with jig plate 37 by connecting column, wherein can make multilayer jig plate 37 and connect It connects column to be fixedly connected, fixed plate 36 is flexibly connected with connecting column, and flexible connection here refers to when fixed plate 36 is fixed, fixture The composite entity of plate 37 and connecting column can be moved along the axially and radially direction of connecting column, be axially moveable so that probe 3B with The distance between pcb board in fixed plate 36 is adjustable, moves radially, so that between the pcb board on probe 3B and fixed plate 36 Relative position it is adjustable, to carry out contraposition adjusting；

Probe 3B is fixed in multilayer jig plate 37 and one end runs through fixed plate 36 and extends to outside, for electrically connecting Pcb board 35 and corresponding test circuit module are connect, when alignment jig plate 37, probe 3B is conditioned with jig plate 37, and Fixed plate 36 can then remain stationary, i.e., it is motionless can to fix PCB plate for fixed plate 36, by micromatic setting alignment jig plate 37 and folder The probe 3B having in plate 37 is mobile, and to align with the pcb board in fixed plate 36, probe 3B is moved together with jig plate 37, so that Probe 3B will not bending deformation；

When pcb board 35 is placed on positioning column 361, probe 3B and pcb board 35 are adjusted visit at this time at a distance of set distance The position of needle 3B with pcb board 35 to be aligned；

Wherein, lower test group 24, which is pushed to rise by lifting device, forms pressing with upper test group 23, presses so that fixed plate 36 push, so that the pcb board 35 and probe 3B on positioning column 361 are electrically connected；

It should be noted that the connection knot of micromatic setting, test fixture and test circuit module in upper test group 23 Structure and lower test group 24 are consistent, are again provided with fixed plate and positioning column on the test fixture of upper test group 23；

Press test process are as follows: lower test group 24 first carries pcb board and rises so that pcb board is determined in upper test group 23 Position column positioning contact, the corresponding probe in upper and lower test group in the two sides of pcb board is at a distance of set distance at this time, at this time Ccd sensor in upper test group 23 and lower test group 24 can take pictures to corresponding index point on PCB plate；

Then the micromatic setting in upper and lower test group according to information of taking pictures it is corresponding adjust respective probe with pcb board pair Position further rises pressing using lower test group 24 later, so that the fixed plate in upper and lower test group is respectively to close to each It is mobile from the direction of jig plate, so that the corresponding probe electrical property grafting in upper and lower test group in the two sides of pcb board Carry out electrical testing；

Wherein, the fixed plate in lower test group 24 receives PCB up to fixed plate 36 to the direction close to jig plate 37 In mobile process, the ccd sensor in lower test group 24 can carry out positioning of taking pictures to index point.

Optionally, fixed plate and positioning column can also be not provided on the test fixture of upper test group 23；

Press test process are as follows: when lower test group 24 rises to upper test group 23 at a distance of set distance, upper test group Ccd sensor on 23 can take pictures to the index point on pcb board top surface, then the micromatic setting tune in upper test group 23 Probe is saved to align with pcb board, further rises pressing using lower test group 24 later, so that the spy in upper test group 23 Needle directly with pcb board electrical property grafting, probe in lower test group 24 after fixed plate is pressed down again with pcb board electrical property grafting.

In the present embodiment, ccd sensor 3C limit is arranged in multilayer jig plate 37, the end of taking pictures of ccd sensor 3C It is contacted with a fixed plate 36 limit, the other end is made under fixed plate 36 by elastic component and 37 Elastic Contact of jig plate, elastic component The connection with ccd sensor is not influenced when pressure, is provided in fixed plate 36 and corresponding keeps away a hole with taking pictures to hold.

Referring to figure 3. and Fig. 6, Fig. 6 be use the utility model pcb board detection device pcb board test machine connection The structural schematic diagram of component；

As follows to specifically connection carries out narration explanation between the pedestal 31 of fixed plate 36 and micromatic setting；

Fixed plate 36 in the present embodiment is fixedly connected by connection component 38 with the pedestal 31 of micromatic setting, connection component 38 include fixed link 381, sliding part 383, link block 384 and spring 385；

Specifically, one end of fixed link 381 is fixedly connected with the pedestal 31 of micromatic setting, the other end is fixedly connected with end Portion 382 carries out fixed link 381, pedestal 31 and outline border more stable wherein outline border can also be fixedly installed on pedestal 31 Connection；

The side of end head 382 is provided with sliding slot, sliding part 383 is slidably connected with sliding slot, glide direction and lower test The lifting direction of group 24 is consistent, and link block 384 is fixedly connected on sliding part 383, fixed plate 36 and the fixed company of link block 384 It connects, one end of spring 385 is connect with end head 382, and the other end is connect with sliding part 383；

In the bonding processes of upper test group 23 and lower test group 24, fixed plate 36 can be oppressed to close to jig plate 37 Direction is mobile, and the elastic pulling force of spring 385 is gradually increased in moving process, and fixed plate 36 pushes so that pcb board 35 and probe 3B It is electrically connected after completing test, the initial position that spring 385 can return back on sliding slot for sliding part 383 provides elastic pulling force, i.e., Elastic force makes fixed plate 36 return back to initial position to the direction far from jig plate 37；

In the present embodiment, the both ends of fixed plate 36 pass through one group of connection component 38 and are fixedly connected with pedestal 31, and one group Connection component 38 includes two fixed links 381, and end head 382 is fixedly connected by screw with fixed link 381.

The connection lug for connecting with sliding part 383 is provided on link block 384, two connection lugs are connected to The two sides of sliding part 383, are provided with link slot corresponding with sliding part 383 on the inside of connection lug, and screw passes through connection Lug and sliding part 383 form a fixed connection.

It should be noted that mutually isostructural connection component and micromatic setting can be used in the fixed plate in upper test group 23 Pedestal is fixedly connected.

Fig. 7 and Fig. 8 are please referred to, wherein Fig. 7 is the PCB plate test machine using the pcb board detection device of the utility model The structural schematic diagram of micromatic setting, Fig. 8 are the fine tuning mould using the pcb board test machine of the pcb board detection device of the utility model The structural schematic diagram of block.

Narration explanation is carried out to micromatic setting as follows；

In the present invention, micromatic setting includes pedestal 31,31 4 jiaos of pedestal of fine tuning module 32 is arranged in, connects It finely tuning the tuning plate 33 in module 32, finely tuning the driving assembly 34 and be used for corresponding measure that module 32 moves for driving The magnetic railings ruler component 341 of the displacement of module 32 is finely tuned, pedestal 31 is slidably connected on lifting device；

Wherein, fine tuning module 32 includes the first sliding block 41, the second sliding block 42, sleeve member 44 and turntable part 43；

First sliding block 41 is slidably connected on pedestal 31；

Second sliding block 42 is slidably connected on the top surface of the first sliding block 41, the glide direction and the first sliding block of the second sliding block 42 41 glide direction is vertical；

Sleeve member 44 is fixed on the top surface of the second sliding block 42；

Turntable part 43 is rotatably connected in sleeve member 44 by two bearings 48, and the extending direction of pivot center and lifting fill The lifting direction set is consistent, the sliding of the extending direction of pivot center, the glide direction of the first sliding block 41 and the second sliding block 42 Direction is orthogonal, and one end of turntable extends out to external to connect with corresponding test fixture at the top of sleeve member 44.

Turntable part 43 is rotatably connected in sleeve member 44 by two bearings 48, by baffle 47 and sleeve member 46 to axis It holds 48 to be fixed, so that entirely fine tuning module 32 is axially and radially being able to bear bigger load, stability is high.

Preferably, bearing 48 is angular contact ball bearing.

In the present embodiment, tuning plate 33 is fixedly connected with four turntable parts 43 of quadrangle, is set at the top of turntable part 43 It is equipped with the connecting hole for connecting with tuning plate 33；

Specifically, being provided with baffle 47 at the both ends of sleeve member 44, it is arranged with sleeve member 46 on turntable part 43, is covering The locating slot for bearing 48 to be arranged is provided on the inner wall of cylinder part 44, far from one end of the second sliding block 42 on turntable part 43 Be provided with the shaft shoulder, the shaft shoulder and baffle 47 for being limited on one side to the outside of bearing 48, locating slot and sleeve member 46 for pair The inside of bearing 48 is limited on one side；

It is provided with sliding slot on the top surface of the first sliding block 41, is removably provided with sliding rail block 45 on the second sliding block 42, Screw 49 is fixedly connected from penetrating on one side for 42 connecting sliding rail block 45 of the second sliding block with sleeve member 44, when sliding rail block 45 and second are slided When block 42 is fixedly connected, sliding rail block 45 is contacted with the limit of screw 49, is limited and is contacted to screw 49 by sliding rail block 45, can be well Guarantee sleeve member 44 is stably connected with the second sliding block 42, is not easy to loosen, simple and ingenious structure.

The micromatic setting includes the first driving of the first sliding block 41 transmission connection for finely tuning module 32 with corresponding one respectively Component 34, the second driving assembly 34 and third driving assembly 34, the driving direction of the second driving assembly 34 among Fig. 7 are X Direction, the first driving assembly 34 of two sides and the driving direction of third driving assembly 34 are Y-direction, and X-direction and Y-direction are hung down mutually Directly.

Fig. 9 is please referred to, wherein Fig. 9 is the magnetic railings ruler using the pcb board test machine of the pcb board detection device of the utility model The structural schematic diagram of component.

There are three magnetic railings ruler component 341, three magnetic railings ruler components 341 are respectively used to an a pair for fixed setting on pedestal 31 The displacement of first sliding block 41 of the first driving assembly of measurement, the second driving assembly and the connection of third driving assembly answered.

Wherein, magnetic railings ruler component 341 includes carrier base 51, ruler body 52, magnetic head, sliding connection block 55, mandril 53 and bullet Spring 54 is provided with block 56 at the both ends of carrier base 51；

Ruler body 52 is fixed on carrier base 51, and sliding connection block 55 is slidably arranged on carrier base 51,53 He of mandril Magnetic head is fixedly connected with sliding connection block 55, and magnetic head is contacted with ruler body 52；

The extending direction of mandril 53, the glide direction of sliding connection block 55 are consistent with the glide direction of the first sliding block 41, One end of mandril 53 is contacted with the first sliding block 41, and the other end of mandril 53 is socketed spring 54, and mandril 53, which runs through, is slidably connected at one On the block 56 at end, spring 54 is limited between sliding connection block 55 and the block 56 of the other end；

The magnetic railings ruler component 341 can make mandril 53 constantly contact with the first sliding block 41, constantly detect the first sliding block 41 Position, driving assembly can according to position feedback carry out drive control, so that whole system be made to constitute a closed-loop control system System, overall precision are higher

The driving assembly 34 is the common driving assembly of motor, lead screw and nut piece composition, the nut of driving assembly 34 Part is fixedly connected with the first sliding block 41.

Referring to figure 2., narration explanation is carried out to lifting device as follows；

Lifting device in the utility model includes motor 27, transmission belt 28, belt wheel 2A, first substrate 2B, the second substrate 2C, screw rod 2D, nut piece 2E and lifter plate 29；

First substrate 2B and the second substrate 2C are fixed in cabinet 21, the plate face of first substrate 2B and the second substrate 2C In parallel, first substrate 2B is located at the lower section of the second substrate 2C；

Four screw rod 2D are connected to the quadrangle between first substrate 2B and the second substrate 2C, the both ends point of screw rod 2D It is not rotatablely connected with first substrate 2B and the second substrate 2C, company is fixed through first substrate 2B and with belt wheel 2A in one end of screw rod 2D It connects, motor 27 is fixed on first substrate 2B, and the shaft of motor 27 passes through the belt wheel on transmission belt 28 and four screw rod 2D 2A transmission connection, lifter plate 29 are sequentially connected by nut piece 2E and screw rod 2D；

Here transmission belt 28 can be transmission belt with teeth, and belt wheel 2A be correspondence belt wheel with teeth, by the engagement of tooth come Guarantee the stability being driven between transmission belt 28 and belt wheel 2A；

Motor 27 can be sequentially connected with transmission belt 28 again after connecting speed reducer；

In addition, motor 27 drives the screw rod 2D of quadrangle to rotate synchronously by a transmission belt 28, and then guarantee lifter plate 29 Reliable and stable lifting.

The pedestal 31 of micromatic setting is slidably arranged on lifter plate 29, is provided on the second substrate 2C and lower test group 24 It is corresponding to be open to avoid the lifting of lower test group 24.

Figure 10, Figure 11 and Figure 12 are please referred to, wherein Figure 10 is the PCB using the pcb board detection device of the utility model The structural schematic diagram of the feed unit of plate test machine, Figure 11 are to be surveyed using the pcb board of the PCB board checking device of the utility model The structural schematic diagram of the charging manipulator of test-run a machine, Figure 12 are the pcb board test machine using the pcb board detection device of the utility model Positioning plate, flexible locating piece, slide bar and lifting unit top view.

Narration explanation is carried out to feed unit 11 as follows；

Feed unit 11 in the utility model includes positioning plate 61, flexible locating piece 62, charging manipulator 63 and rises Drop portion 64；

Charging manipulator 63 is located at the top of lifting unit 64, and two pieces of positioning plates 61 are located at adjacent two of lifting unit 64 Side, the telescopic direction of two flexible locating pieces 62 perpendicular to the plate face of two pieces of positioning plates 61, are stretched for one wherein correspondingly Inductor 69 is fixedly installed on contracting locating piece 62, the locating piece 62 that stretches is flexible fixed to being located at according to the inductive signal of inductor 69 Pcb board 35 between position part 62 and positioning plate 61 carries out extruding positioning, and lifting unit 64 is carried out according to the inductive signal of inductor 69 Rise；

Optionally, flexible block can be provided on flexible locating piece 62 to carry out flexible extruding, optional rubber to pcb board 35 Etc. materials；

In addition, feed unit 11 further includes slide bar 65, two pieces of positioning plates 61 are slided by the first connection frame 66 with slide bar 65 Connection, is provided with the first fixing piece for fixing sliding position, two flexible locating pieces 62 pass through on the first connection frame 66 Second connection frame 67 is slidably connected with slide bar 65, and second for fixing sliding position is provided on the second connection frame 67 and is consolidated Part is determined, by the distance between slidable adjustment the first connection frame 66 and the second connection frame 67 with the pcb board to different specification size 35 carry out feeding；

Flexible locating piece 62 is connect by connecting rod 68 with the second connection frame, is provided on the second connection frame 67 for connecting First strip through slot of extension bar 68 in succession, is provided with the second strip for connecting the second connection frame 67 in connecting rod 68 Through slot；

Bolt part passes through the first strip through slot and the second strip through slot locking connecting rod 68 and second support, and first is long The setting of bar shaped groove and the second strip through slot is especially advantageous for the adjustable connection of connecting rod 68 and the second connection frame 67, so that When the variation of the specification of pcb board 35, the position of flexible locating piece 62 can also carry out corresponding change；

Feeding manipulator 63 includes cupule head 633, strut 632 and the parallel mobile jib 631 of two extending directions, one It is connected with two struts 632 on root mobile jib 631, one end of every strut 632 is provided with cupule head 633, is set on mobile jib 631 It is equipped with the third strip through slot for connecting strut 632, the 4th length for connecting mobile jib 631 is provided on strut 632 Bar shaped groove；

Bolt part passes through third strip through slot and the 4th strip through slot locking mobile jib 631 and strut 632, third strip The setting of shape through slot and the 4th strip through slot is especially advantageous for the adjustable connection of strut 632 Yu mobile jib 631, when the rule of pcb board 35 When lattice change in size, the position of cupule head 633 can also carry out corresponding change.

The first strip through slot on second connection frame 67 and the second strip through slot in connecting rod 68 can refer to Figure 11 The adjustable connection structure of the 4th strip through slot on third strip through slot and strut 632 on middle mobile jib 631.

Working principle of the utility model is: the pcb board of stacking can be placed on the lifting unit 64 of feed unit 11, rise Drop portion 64 pushes pcb board rising, and when inductor 69 senses PCB, lifting unit 64 stops rising, while two flexible locating pieces 62 elongations are contacted so that pcb board extruding to be pushed into position with positioning plate 61, are fed manipulator 63 later and are grabbed the pcb board having good positioning simultaneously In transport to the fixed plate 36 of lower test group 24, matched by location hole on pcb board and the positioning of positioning column 361 in fixed plate 36 It closes, at this point, probe 3B and pcb board 35 are at a distance of set distance；

Wherein, since the size positions of test point, index point and location hole on all pcb boards are all consistent, therefore It can not need to be finely adjusted probe 3B under normal circumstances, only need motor 27 to run work, screw rod is driven by transmission belt 28 3D rotation, so that lifter plate 29 rises, lower test group 24 and upper test group 23 are pressed, so that probe 3B and pcb board are electrical Connection, test circuit module 39 carry out every test to pcb board；

Specific bonding processes are as follows: lower test group 24 first rises, and can make pcb board and upper test group 23 in uphill process first On positioning column position contact, then descend the further up meeting of test group 24 so that in upper test group 23 and lower test group 24 Fixed plate is mobile to the direction of close respective jig plate respectively, until the two sides of PCB plate is corresponding and upper and lower test group On probe electrical property grafting, during fixed plate is mobile, sliding part 383 and link block 384 are under the sliding slot in end head 382 Sliding, spring 385 is in elastic stretching state；

When test passes, lower test group 24 declines, and fixed plate is after losing pressure force, the elastic pulling force meeting of spring 385 So that fixed plate far from jig plate, so that probe 3B is separated with pcb board, then grabs pcb board fortune by discharging manipulator 131 It is defeated to be placed on qualified products placement platform 132；

When the pcb board of test has open circuit or short circuit problem, lower test group 24 declines, in the elastic pulling force of spring 385 It is sliding on sliding part 383 under effect, so that the fixed plate in upper and lower test group is respectively further from respective jig plate, while probe 3B It is separated with pcb board, fixed plate returns back to initial position；

Fixed plate in upper and lower test group returns back to initial position, and positioning column and pcb board in upper test group 23 When still positioning contact, lower test group 24 stops decline, and probe 3B and pcb board 35 are at a distance of set distance, ccd sensor and mark at this time At a distance of set distance, set distance is more conducive to ccd sensor and clearly takes pictures will point, then upper test group 23 and lower test group 24 On ccd sensor take pictures respectively to respective flag point on pcb board；

Then can be by micromatic setting according to information control tuning plate 33 movement or the rotation of taking pictures, and then respectively drive corresponding Jig plate 37 and probe 3B carry out position adjustment integrally to be aligned with pcb board；

After the completion of contraposition, lifter plate 29 pushes lower test group 24 to rise, so that in upper test group 23 and lower test group 24 Fixed plate is mobile to the direction close to respective jig plate respectively, until the two sides of pcb board it is corresponding in upper and lower test group Probe electrical property grafting, so again to pcb board carry out electrical testing；

After being completed, lower test group 24 declines, and pressure force revocation, the elastic pulling force of spring 385 can make fixed plate return Again to initial position, the corresponding probe in upper and lower test group in the two sides of pcb board is separated；

Finally, discharging manipulator 131 grabs pcb board, and according to test result, crawl is mobile to be placed in qualified products placement In platform 132, open circuit product placement platform 133 or short-circuit product placement platform 134.

The process that the pcb board test machine of this preferred embodiment tests pcb board is completed in this way.

The pcb board test machine of this preferred embodiment is by the way that lower test group to be slidably arranged on lifting device, so as to only So that a set of test fixture, is then tested one by one come the multiple regions to CPB plate by the position of mobile lower test group, is saved The cumbersome procedure for having gone more set test fixtures to change, testing efficiency are high；

The both ends of upper test group are rotatably connected on the inner wall of cabinet respectively and by test groups in telescopic rod extension and contraction control Rotation, upper test group includes the test position opposite with lower test group and the installation opposite with action pane in rotary motion trace Position, is highly convenient for dismounting；

Wherein, the test fixture of lower test group includes fixed plate and the jig plate that connect with the tuning plate of micromatic setting, Probe is fixed in multilayer jig plate, and fixed plate is connected by the pedestal of connection component and micromatic setting, on connection component It is provided with sliding part, sliding part is connect with fixed link by spring so that fixed plate can elastic lifting；

When pcb board is fixed on the positioning column of fixed plate and probe is at a distance of set distance, so as to all jig plates And probe is finely adjusted, and fixed plate and pcb board keep different, the process of bending deformation is not present in probe, to ensure that The service life and test yield of probe；

In addition, micromatic setting passes through setting sleeve member, and turntable part is rotatably connected in sleeve member by two bearings, Bearing is fixed by baffle and sleeve member, so that entirely fine tuning module is axially and radially being able to bear bigger load Lotus, stability are high.

Although above preferred embodiment is not used in conclusion the utility model is disclosed above with preferred embodiment To limit the utility model, those skilled in the art can make without departing from the spirit and scope of the utility model It is various to change and retouch, therefore the protection scope of the utility model subjects to the scope of the claims.

Claims (10)

1. a kind of pcb board detection device characterized by comprising

Micromatic setting including pedestal, the fine tuning module being arranged on the pedestal and is connected to micro- in the fine tuning module Tuned plate；

Test circuit module is connected to the lower section of the tuning plate, for testing pcb board；

Test fixture, including fixed plate, jig plate and probe, the probe are fixed in jig plate described in multilayer and one End extends to outside through the fixed plate, for being electrically connected pcb board and the test circuit module, the jig plate and institute Tuning plate connection is stated, the fixed plate connect with the pedestal, is provided in the fixed plate for being supported to pcb board The positioning column of positioning；

Ccd sensor is arranged in the test fixture for carrying out positioning of taking pictures to the index point on pcb board, in the survey The both ends of examination fixture are provided with the ccd sensor.

2. pcb board detection device according to claim 1, which is characterized in that the fixed plate passes through connection component and institute It states pedestal to be fixedly connected, the connection component includes fixed link, sliding part, link block and spring；

One end of the fixed link is fixedly connected with the pedestal, and the other end is fixedly connected with end head, in the end head Side is provided with sliding slot, and the sliding part is slidably connected with the sliding slot, and glide direction is consistent with the lifting direction of lower test group, The link block is fixedly connected on the sliding part, and the fixed plate is fixedly connected with the link block, and the one of the spring End is connect with the end head, and the other end is connect with the sliding part, for returning back on the sliding slot for the sliding part Setting position provides elastic pulling force.

3. pcb board detection device according to claim 2, which is characterized in that the both ends of the fixed plate pass through one group The connection component is fixedly connected with the pedestal, and connection component described in one group includes two fixed links, the end head It is fixedly connected by screw with the fixed link.

4. pcb board detection device according to claim 2, which is characterized in that be provided on the link block for institute The connection lug of sliding part connection is stated, two connection lugs are connected to the two sides of the sliding part, in the connection Link slot corresponding with the sliding part is provided on the inside of lug, screw passes through the connection lug and the sliding part shape At being fixedly connected.

5. pcb board detection device according to claim 1, which is characterized in that when pcb board is placed on the positioning column When, the probe and pcb board at a distance of set distance so that when pcb board it is fixed on the positioning column when, the micromatic setting The position of the probe can be adjusted by the jig plate.

6. pcb board detection device according to claim 1, which is characterized in that the fine tuning module includes:

First sliding block is slidably connected on the pedestal；

Second sliding block is slidably connected on the top surface of first sliding block, the glide direction of second sliding block and described first The glide direction of sliding block is vertical；

Sleeve member is fixed on the top surface of second sliding block；

Turntable part is rotatably connected in the sleeve member by two bearings, the extending direction of pivot center and lifting device Go up and down that direction is consistent, the extending direction of the pivot center, the glide direction of first sliding block and second sliding block Glide direction is orthogonal, and one end of the turntable extends out to outside at the top of the sleeve member to connect with the tuning plate.

7. pcb board detection device according to claim 6, which is characterized in that be provided at the both ends of the sleeve member Baffle is arranged with sleeve member on the turntable part, is provided on the inner wall of the sleeve member for the bearing to be arranged Locating slot, one end on the turntable part far from second sliding block are provided with the shaft shoulder, and the shaft shoulder and the baffle are used for The outside of the bearing is limited on one side, the locating slot and the sleeve member be used for the inside one side of the bearing into Row limit.

8. pcb board detection device according to claim 6, which is characterized in that be arranged on the top surface of first sliding block There is sliding slot, sliding rail block is removably provided on second sliding block, screw connects the sliding rail block from second sliding block Penetrate be fixedly connected with the sleeve member on one side, when the sliding rail block is fixedly connected with second sliding block, the sliding rail Block is contacted with screw limit.

9. pcb board detection device according to claim 6, which is characterized in that the micromatic setting further includes three groups and is used for The driving assembly of first sliding block sliding is driven, wherein the driving direction of one group of the driving component is X-direction, in addition two groups The driving direction of the driving component is Y-direction, and the X-direction and the Y-direction are orthogonal.

10. pcb board detection device according to claim 1, which is characterized in that be provided with fixation on the tuning plate Frame, the test fixture are arranged on the fixed frame, and holding tank, test circuit module one end are provided on the fixed frame It is provided with link block, the link block is fixed in the holding tank.