CN104965167A - Automatic circuit board detection device - Google Patents
Automatic circuit board detection device Download PDFInfo
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- CN104965167A CN104965167A CN201510428597.4A CN201510428597A CN104965167A CN 104965167 A CN104965167 A CN 104965167A CN 201510428597 A CN201510428597 A CN 201510428597A CN 104965167 A CN104965167 A CN 104965167A
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- 238000001514 detection method Methods 0.000 title abstract description 9
- 238000003754 machining Methods 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 17
- 238000012937 correction Methods 0.000 description 5
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- 239000011159 matrix material Substances 0.000 description 2
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- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Abstract
An automatic circuit board detection device comprises a stock, a carrier unit, a multiaxial manipulator and a CCD detection unit, wherein the carrier unit comprises a carrier, and an opening is formed on the carrier for placing a to-be-detected circuit board; the CCD detection unit comprises a camera for photographing the circuit board on the carrier so as to acquire position deviation of the circuit board; the multiaxial manipulator comprises X1 axis, Y1 axis, Y2 axis and Z axis, the Z axis is used for capturing the carrier carrying the circuit board, two ends of the X1 axis are in rotatable connection with the Y1 axis and the Y2 axis respectively, the X1 axis, the Y1 axis and the Y2 axis are conencted with driving motors respectively, when the X1 axis is driven, the carrier and the circuit board are driven to move in the X direction, when the Y1 axis and the Y2 axis are driven simultaneously, the carrier and the circuit board are driven to move in the Y direction, and when either the Y1 axis or the Y2 axis is driven alone, the X1 axis is driven to deviate, the carrier and the circuit board are driven to move, and position deviation of the circuit board is corrected. The automatic circuit board detection device has the advantages that device miniaturization is realized, the production efficiency is high, and the misjudgment rate is low.
Description
Technical field
The present invention relates to checkout equipment, particularly relate to the automatic checkout equipment of micro-circuit board.
Background technology
Along with the development of electron trade, the size of PCBA is more and more less, and from strength to strength, structure becomes increasingly complex function, therefore for the contraposition of miniature PCBA and testing requirement also more and more higher.
For microminiature circuit plate, mechanical arm is difficult to find crawl position, when placing circuit board to test fixture, and the direct contraposition of general employing in industry, or locate profile with carrier.But these alignment modes only just can complete in the Utopian situation of circuit board profile, and prepositionly in actual production process add trade union to product design and bring dimensional tolerence, cause that contraposition is inaccurate, false failure rate is high.
Summary of the invention
In view of this, a kind of microminiature circuit plate automatic checkout equipment of energy accurate contraposition is provided.
A kind of circuit board automatic checkout equipment, comprise board, be arranged at the carrier unit on board, multi-spindle machining hand and CCD detecting unit, described carrier unit includes carrier, described carrier is formed with opening for placing circuit board to be detected, described CCD detecting unit includes camera, described camera is for taking pictures with the position deviation of acquisition cuicuit plate to the circuit board on carrier, described multi-spindle machining hand includes X1 axle, Y1 axle, Y2 axle and Z axis, described Z axis is mounted with the carrier of circuit board for capturing, the two ends of described X1 axle respectively with Y1, Y2 axle connects rotationally, described X1 axle, Y1 axle, Y2 axle is connected to drive motor, carrier and circuit board is driven to move in X-direction when X1 axle is driven, Y1, Y2 axle is driven carrier and circuit board to move in the Y direction simultaneously during driving, Y1 axle or Y2 axle are driven X1 axle to deflect separately during driving, carrier and circuit board is driven to rotate, the position deviation of correction circuit plate.
Compared to prior art, the present invention is mechanical arm and effectively merge bit platform, and in conjunction with carrier and CCD detecting unit, achieve device miniaturization, production efficiency is high, and False Rate is low.
Accompanying drawing explanation
Below with reference to the drawings and the specific embodiments, the present invention is described in detail.
Fig. 1 is the stereographic map of circuit board automatic checkout equipment of the present invention.
Fig. 2 is the stereographic map of the carrier unit of automatic checkout equipment of the present invention.
Fig. 3 is the structural representation of the carrier of carrier unit.
Fig. 4 is the view that circuit board is positioned on carrier.
Fig. 5 is the stereographic map of the CCD detecting unit of automatic checkout equipment of the present invention.
Fig. 6 is another angular views of CCD detecting unit.
Fig. 7 is the stereographic map of the multi-spindle machining hand of automatic checkout equipment of the present invention.
Fig. 8 is the stereographic map of the X1 axle of multi-spindle machining hand.
Fig. 9 is the stereographic map of the Y1 axle of multi-spindle machining hand.
Figure 10 is the stereographic map of the Y2 axle of multi-spindle machining hand.
Figure 11 is the stereographic map of the Z axis of multi-spindle machining hand.
Figure 12 is the assembly drawing of X1 axle, Y1 axle and Y2 axle.
Figure 13 is the vertical view of Figure 12.
Figure 14 is the cut-open view of Figure 13 along A-A line.
Figure 15 is the enlarged drawing of Figure 14 centre circle B.
Figure 16 is the explosive view of Figure 12.
Figure 17 is the view of the asynchronous movement of Y1, Y2 axle.
Figure 18 is the vertical view of Figure 17.
Figure 19 is another view of the asynchronous movement of Y1, Y2 axle.
Figure 20 is the vertical view of Figure 19.
Embodiment
As shown in Figure 1, circuit board automatic checkout equipment of the present invention is used for the automatic detection of microminiature circuit plate, and it comprises board 10 and is arranged at carrier unit 30, CCD detecting unit 50, multi-spindle machining hand 70 and the electric control unit etc. on board 10.
Described carrier unit 30, for carrying circuit board 100 to be detected, the carrier 34 that after loading, circuit board 100 is fixed on carrier unit 30 can not move; Described multi-spindle machining hand 70 for capturing and transporting described carrier 34 to test fixture, to test the circuit board 100 be fixed on carrier 34; Described CCD detecting unit 50 is for taking pictures to the circuit board 100 in carrier 34, with the position coordinates of acquisition cuicuit plate 100; The position coordinates of the circuit board 100 that described electric control unit obtains according to CCD detecting unit 50, start multi-spindle machining hand 70 and make its action, the circuit board 100 be fixed in carrier unit 30 is driven to carry out adjustment position deviation, circuit board 100 its telltale mark point when arriving test fixture is overlapped with the analog equipment gauge point preserved in database, to obtain test result accurately.
Particularly; as shown in Figure 2; described carrier unit 30 is placed on described board 10 movably; include carrier platform 32; described carrier 34 is arranged at platform 32, can be one or more, and each carrier 34 is for carrying a circuit board 100; circuit board 100 is carried out to Primary Location and provides protection, avoids directly capturing circuit board 100 and carry out detecting damage is caused to circuit board 100.Preferably, described platform 32 is in array-like arrangement multiple carrier 34 is set, as set forth in the present embodiment the matrix of carrier 34 in 4*2.The edge of each carrier 34 described is formed with perforation 36, and described platform 32 each carrier 34 corresponding is formed with reference column 33, and described reference column 33 is arranged in the perforation 36 of carrier 34, by carrier 34 in XY plane inner position.In the present embodiment, the both sides of described carrier unit 30 are respectively equipped with cylinder, and wherein a cylinder is used for the movement of parametric controller 32, and another cylinder is for controlling the unlatching of carrier 34 with closed.
As shown in Figure 3, described carrier 34 structure is identical, the guide pillar 40 that each carrier 34 comprises a body be roughly square 38 and is connected on described body 38.The central authorities of described body 38 are formed with an opening 39, for placing circuit board 100 to be detected.Described guide pillar 40 opposing body 38 can move and stretch to opening or shift out opening 39 under the driving of cylinder, and when guide pillar 40 stretches in opening 39, carrier 34 closes, guide pillar 40 and circuit board 100 act on make it be fixed on carrier 34 opening 39 in; Otherwise when guide pillar 40 shifts out opening 39, carrier 34 is opened, circuit board 100 can be loaded on carrier 34 or by carrier 34 and take out.Described guide pillar 40 can be one or more, be preferably multiple, be arranged at the different side of opening 39, guide pillar 40 is 3 as set forth in the present embodiment, wherein two are arranged at the same side of opening 39, another guide pillar 40 is arranged at the adjacent opposite side of opening 39, so by applying the acting force of different directions in adjacent both sides to circuit board 100, circuit board 100 is fixed in carrier 34.
In the present embodiment, the inner of each guide pillar 40 enters in its opening 39 through described carrier 34, outside the corresponding side that outer end extend out to carrier 34 for described cylinder action, thus cylinder drives guide pillar 40 to move relative to the body 38 of carrier 34.The inner of described guide pillar 40 forms a smooth loading end 42, described loading end 42 is provided with a roller 44, described roller 44 is fixedly connected with the inner of guide pillar 40 by pin etc., forms a clip slot 43, for the outward flange of sandwiched circuit board 100 between assembling rear roller 44 and loading end 42.The central authorities of described guide pillar 40 are formed with draw-in groove, and on described draw-in groove, an Anti-rotary block 46 established by card, avoid guide pillar 40 to rotate and clip slot 43 is tilted, cannot fixing circuit board 100.Understandably, described Anti-rotary block 46 also outwards can be protruded out by guide pillar 40 one and form.
In the present embodiment, described guide pillar 40 is arranged with spring 48, described spring 48 is between Anti-rotary block 46 and the outer end of guide pillar 40.Preferably, the body 38 of described carrier 34 is provided with groove 35, and described groove 35 is in " convex " shape, and central authorities form a ladder 37, and groove 35 is less relative to the other end towards one end of guide pillar 40 outer end.Described guide pillar 40 is through groove 35, and described Anti-rotary block 46 is positioned at the large end of groove 35, and the width of the large end of its width and groove 35 quite or smaller.Described spring 48 is positioned at groove 35 equally, and its two ends are supported mutually with the edge of the small end of Anti-rotary block 46 and groove 35 respectively.Drive Anti-rotary block 46 opposing body 38 to move during described guide pillar 40 telescopic moving, make spring 48 compress or discharge.The movement of the ladder 37 pairs of Anti-rotary blocks 46 in described groove 35 has position-limiting action, avoids guide pillar 40 excessively mobile and comes off or damage.
Before loading circuit board 100 to be detected, first platform 32 stretches out outside board 10 under the driving of cylinder, the outwards movement under the driving of cylinder of guide pillar 40 on carrier 34, spring 48 on guide pillar 40 is compressed, the inner of guide pillar 40 moves to the edge of opening 39, carrier 34 is opened, and now circuit board 100 to be detected can be put into the opening 39 of carrier 34, as shown in Figure 3.After placement circuit board 100, reset can be moved inward by air cylinder driven guide pillar 40, also by being driven Anti-rotary block 46 by the elastic-restoring force of Compress Spring 48 and then driving guide pillar 40 to move inward reset, carrier 34 be closed.In the process that carrier 34 is closed, the movement of guide pillar 40 makes its clip slot 43 be clamped at the edge of circuit board 100, is so fixed in carrier 34 by circuit board 100, as shown in Figure 4.Preferably, described electric control unit also comprises the sensor be arranged on described platform 32, detects on carrier 34 whether be mounted with circuit board 100, and the action of control cylinder accordingly, makes that carrier 34 is automatically closed to be fixed circuit board 100.
After circuit board 100 to be detected is loaded on platform 32, platform 32 is retracted in board 10 under the driving of cylinder, and multi-spindle machining hand 70 captures carrier 34, and transport is taken pictures to CCD detecting unit 50, with the position coordinates of acquisition cuicuit plate 100.In the present embodiment, as illustrated in figures 7-11, described multi-spindle machining hand 70 comprises X1 axle, Y1 axle, Y2 axle and Z axis.Described Y1, Y2 between centers is every setting, and X1 axle is laterally connected between Y1, Y2 axle, and is formed with Y1, Y2 axle and be connected rotationally.Described Z axis is slidably connected on X1 axle, can move in z-direction relative to X1 axle.Described Z axis can be one or more, and each Z axis is for capturing a carrier 34.In the present embodiment, carrier 34 is the matrix of 4*2, and described Z axis is correspondingly 4, i.e. Z1 ~ Z4 axle, and the bearing of trend along X1 axle is evenly distributed, can capture whole row's carrier 34 simultaneously.In other embodiments, carrier 34 can have other to arrange, and the quantity of Z axis also correspondingly can be done and change, and is not limited with the present embodiment.
As shown in Figures 5 and 6, described CCD detecting unit 50 is arranged on X2 axle.Described X2 axle is fixed, and roughly arranges in parallel interval with X1 axle, and described CCD detecting unit 50 includes the motor 54 that camera 52 and drives camera 52 move around along the bearing of trend (i.e. X-direction) of X2 axle.In the loading process of circuit board 100 to be detected, multi-spindle machining hand 70 is waited for above X2 axle; When circuit board 100 has loaded after platform 32 is recovered in board 10, multi-spindle machining hand 70 moves to above carrier 34, Z1 ~ Z4 axle declines and captures a carrier 34 respectively, carrier 34 is transported to camera 52 position of CCD detecting unit 50 by Z1 ~ Z4 axle rising afterwards, camera 52 moves along X2 axle and takes pictures one by one to the circuit board 100 on the carrier 34 of Z1 ~ Z4 axle crawl under the driving of motor 54, obtains the position coordinate data of each circuit board 100.
The coordinate data of the circuit board 100 of detection is fed back to the host computer of electric control unit, as PC analyzes by described CCD detecting unit 50.Product space coordinate figure database is saved in described PC, by look-up table, the coordinate data in the coordinate data of the circuit board 100 drawn after taking pictures and database is compared, draw the position deviation amount of circuit board 100 and export to multi-spindle machining hand 70, make the X1 axle of multi-spindle machining hand 70, Y1 axle and the action of Y2 axle, adjust the position of the circuit board 100 on carrier 34 and carrier 34, eliminate the position deviation of circuit board 100.
As shown in Fig. 8 and 16, described X1 axle comprises the track 72 of a lengthwise, and one end of described track 72 connects a slide rail 74 slidably.Described track 72 and slide rail 74 relative sliding in X direction, to change the entire length of X1 axle.In the present embodiment, the bottom surface of described X1 axle is formed with chute, and described chute is wide at the top and narrow at the bottom, and the xsect of described slide rail 74 is in " work " font, and top cross is plugged in described chute, thus avoids throwing off when track 72 and slide rail 74 relative sliding.Described X1 axle is connected with a servomotor, described X1 axle is driven to move in X direction, the carrier 34 that drive like this is captured by described multi-spindle machining hand 70 and the circuit board 100 be fixed in carrier 34 move in X direction, correction circuit plate 100 position deviation in the X direction.
The slide rail 74 of described X1 axle is connected rotationally with Y2 axle, and the end of track 72 is connected rotationally with Y1 axle, and both connected modes are roughly the same.In the present embodiment, as shown in figs. 12-16, described Y1, Y2 axle is connected to a bearing assembly 80, described bearing assembly 80 comprises the bearing holder (housing, cover) 82, the axle collar 84 and the bearing seat 86 that is sheathed on rotationally on the axle collar 84 that are fixedly connected with Y1, Y2 axle.
As shown in Figure 14 and 15, the xsect of the bearing holder (housing, cover) 82 of described bearing assembly 80 is in " convex " font, and on the ladder that the described axle collar 84 is stacked at the bearing holder (housing, cover) 82 and upper end of ring set bearing holder (housing, cover) 82, the external diameter of the described axle collar 84 is greater than the external diameter of the lower end of bearing holder (housing, cover) 82.Up-small and down-big shoulder hole is formed in described bearing seat 86, the described axle collar 84 is positioned at the lower end of shoulder hole, the upper end of bearing seat 86 is supported mutually with the outer rim of the end face of the axle collar 84, one base plate 88 is connected to the bottom of bearing seat 86 by pin, support the bottom surface of the axle collar 84, the described axle collar 84 be arranged in bearing seat 86 and locate in z-direction.One cover plate 89 is arranged in described bearing seat 86, described cover plate 89 is positioned on described bearing holder (housing, cover) 82, its outward flange supports the inner edge of the end face of the described axle collar 84, described bearing holder (housing, cover) 82 is fixedly connected on Y1, Y2 axle through cover plate 89 by pin, so fixed by whole bearing assembly 80, only bearing seat 86 can rotate relative to bearing holder (housing, cover) 82.
Described bearing seat 86, for being connected with described X1 axle, can relatively rotate between X1 axle and Y1, Y2 axle after assembling.In the present embodiment, described Y1, Y2 axle is respectively by a driven by servomotor, when the action simultaneously of two motors, Y1, Y2 axle synchronously moves along Y-direction, X1 axle is with Y1, Y2 axle synchronizing moving, drive the carrier 34 that captured by described multi-spindle machining hand 70 and be fixed on the circuit board 100 in carrier 34 and move along the bearing of trend of X1 axle, correction circuit plate 100 position deviation in the Y direction.When Y1, Y2 axle only has one of them to be driven, due to the relative movement of Y1, Y2 axle, drive X1 axle deflection certain angle, so make circuit board 100 produce in X, Y both direction mobile, namely drive circuit board 100 to rotate, eliminate its position deviation in a circumferential direction.
Be specifically described so that Y2 axle is mobile separately below: as shown in Figure 17 and 18, when Y1 axle maintains static, when only driving Y2 axle to move down (shown in Figure 18 direction), distance between the junction of X1 axle and Y1, Y2 axle increases, relative Y1, Y2 axle of X1 axle rotates clockwise certain angle, and its relative Y1, Y2 axle is tilted.In the process, X1 axle slide rail 74 outwards slides, to meet the length needs increased after X1 axle tilts.By moving down of Y2 axle, circuit board 100 is driven and rotates clockwise certain angle to eliminate deviation in the circumferential.Otherwise when Y1 axle maintains static, when only driving Y2 axle moving, as shown in Figure 19-20, it is skewed that the mobile X1 axle along with Y2 axle rotates counterclockwise certain angle relative to Y1, Y2 axle, and the slide rail 74 of X1 axle outwards slides, and makes X1 elongate axis.By Y2 axle moves, circuit board 100 is driven and rotates counterclockwise certain angle, to eliminate deviation in the circumferential.Understandably, also can drive separately the rotation of Y1 axle realizing circuit plate 100, its principle with drive Y2 axle identical separately, repeat no more.
So, described multi-spindle machining hand 70 not only can drive circuit board 100 to move in X-direction by X1 axle, pass through Y1, Y2 axle synchronizing moving drives circuit board 100 to move in the Y direction, can also by driving Y1 axle or Y2 axle separately, X1 axle is tilted, circuit board 100 is driven to rotate clockwise or counterclockwise, that is described circuit board 100 not only can also rotate in XY plane in multi-direction movement, thus according to the detection data of CCD detecting unit 50, determine the position deviation of circuit board 100, multi-spindle machining hand 70 drives accordingly, rapidly and accurately the position deviation of circuit board 100 is corrected, namely move down carrier 34 to be put on test fixture by Z axis after correction puts in place and carry out product test, now the telltale mark point of circuit board 100 overlaps with the analog equipment gauge point preserved in database.
When Z axis is multiple, described multiple Z axis, as Z1 ~ Z4 axle, need carry out position correction to the circuit board 100 on the carrier 34 that Z1 ~ Z4 axle captures one by one.After position deviation corrected by each circuit board 100, corresponding Z axis moves down and is placed on test fixture by carrier 34, carrier 34 holds and locates by test fixture vacuum, the Z axis moved down afterwards rises and resets, carry out the position adjustment of the circuit board 100 on lower Z axis, until once the captured all circuit boards 100 of the Z axis of described multi-spindle machining hand 70 are all corrected and are placed on after on test fixture, all Z axis all press down, each circuit board 100 and testing needle are remained in test process and contacts well, obtain the test result prepared.
Described carrier platform 32 can also be provided with corresponding pilot lamp show test results, as arranged the display of LED three colour lamp light on platform 32, original state is that lamp goes out, and green is non-defective unit, and redness is defective products etc.After test completes, the Z axis of described multi-spindle machining hand 70 is taken carrier 34 away and is put back on platform 32 by carrier 34, platform 32 is released outside board 10 by now cylinder startup, and open the circuit board 100 that carrier 34 makes it unclamp to be detected, artificial or mechanical arm can have been taken the circuit board 100 of test away and sort out by non-defective unit, defective products according to pilot lamp.
The present invention is mechanical arm and effectively merge bit platform, in conjunction with carrier and CCD detecting unit, simplifies device structure, takes up room little, achieve device miniaturization; In addition, mechanical arm only acts on carrier, and the PCBA that adequately protects is from damage; Again in addition, adopt CCD vision detection system, picture analyzing is carried out to product, adjusts contraposition by mechanical arm, eliminate the impact of extraneous factor on product, solve the problem that secondary positioning precision is low; Again in addition, can give full play to mechanical arm flexible, efficiently, the feature that repetitive positioning accuracy is high, can detect multiple miniature PCBA, production efficiency is high, and False Rate is low simultaneously.
It should be noted that; the present invention is not limited to above-mentioned embodiment, and according to creative spirit of the present invention, those skilled in the art can also make other changes; these changes done according to creative spirit of the present invention, all should be included within the present invention's scope required for protection.
Claims (10)
1. a circuit board automatic checkout equipment, comprise board, be arranged at the carrier unit on board, multi-spindle machining hand and CCD detecting unit, described carrier unit includes carrier, described carrier is formed with opening for placing circuit board to be detected, it is characterized in that: described CCD detecting unit includes camera, described camera is for taking pictures with the position deviation of acquisition cuicuit plate to the circuit board on carrier, described multi-spindle machining hand includes X1 axle, Y1 axle, Y2 axle and Z axis, described Z axis is mounted with the carrier of circuit board for capturing, the two ends of described X1 axle respectively with Y1, Y2 axle connects rotationally, described X1 axle, Y1 axle, Y2 axle is connected to drive motor, carrier and circuit board is driven to move in X-direction when X1 axle is driven, Y1, Y2 axle is driven carrier and circuit board to move in the Y direction simultaneously during driving, Y1 axle or Y2 axle are driven X1 axle to deflect separately during driving, carrier and circuit board is driven to rotate.
2. circuit board automatic checkout equipment as claimed in claim 1, it is characterized in that, described X1 axle comprises track and is slidably connected to the slide rail on described track, and when Y1 axle or Y2 axle are driven X1 axle to deflect by driving separately, described slide rail relative orbit slides in X-direction with the length increasing X1 axle.
3. circuit board automatic checkout equipment as claimed in claim 2, it is characterized in that, described X1 axle is laterally connected between Y1, Y2 axle, and described slide rail is connected by bearing assembly rotationally with Y2 axle, and the end of described track is connected with Y1 axle rotationally by bearing assembly.
4. circuit board automatic checkout equipment as claimed in claim 3, it is characterized in that, described bearing assembly includes the bearing holder (housing, cover) be fixedly connected on Y1 axle/Y2 axle and the bearing seat be socketed on rotationally on described bearing holder (housing, cover), and described bearing seat is fixedly connected with X1 axle.
5. circuit board automatic checkout equipment as claimed in claim 4, it is characterized in that, described bearing holder (housing, cover) xsect is in " convex " font, one axle collar is stacked on described bearing holder (housing, cover), the axle collar described in described bearing seat ring set, the outer rim of the end face of the axle collar is supported in the upper end of bearing seat, and a base plate is fixedly connected on the bottom of described bearing seat and supports the bottom surface of the axle collar, one cover plate to be arranged on described bearing holder (housing, cover) and to be fixedly connected with described bearing holder (housing, cover), and the outward flange of described cover plate supports the inner edge of the end face of the axle collar.
6. circuit board automatic checkout equipment as claimed in claim 1, it is characterized in that, described carrier unit also includes carrier platform and drives described carrier platform relative to the cylinder of board movement, described carrier platform is formed with reference column, described carrier is formed with perforation, in the perforation that described reference column is arranged in carrier by described carrier in XY plane inner position.
7. circuit board automatic checkout equipment as claimed in claim 1, it is characterized in that, described carrier is connected with can the guide pillar of opposed open movement, the inner of described guide pillar is stretched in opening, described the inner is formed with smooth loading end, described the inner is also connected with roller, between described roller and loading end, is formed with clip slot, for the outward flange of sandwiched circuit board.
8. as the circuit board automatic checkout equipment that claim 7 is stated, it is characterized in that, the central authorities of described guide pillar are also provided with Anti-rotary block and avoid guide pillar rotation that clip slot is tilted.
9. as circuit board automatic checkout equipment that claim 8 is stated, it is characterized in that, described guide pillar is also arranged with spring, and described spring is between Anti-rotary block and the outer end of guide pillar, Compress Spring when guide pillar opposed open outwards moves, spring release promotes guide pillar and moves in opening.
10. as circuit board automatic checkout equipment that claim 9 is stated, it is characterized in that, described carrier is also formed with groove, described groove is in " convex " font, described guide pillar is through groove, and groove is little relative to the other end towards one end of guide pillar outer end, and described Anti-rotary block is positioned at the large end of groove, the edge of the small end of the fast and groove of anti-rotation is supported at the two ends of described spring respectively, and the large end of described groove and small end directly form ladder and carry out spacing soon to described anti-rotation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510428597.4A CN104965167A (en) | 2015-07-21 | 2015-07-21 | Automatic circuit board detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510428597.4A CN104965167A (en) | 2015-07-21 | 2015-07-21 | Automatic circuit board detection device |
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| CN104965167A true CN104965167A (en) | 2015-10-07 |
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| CN105872533A (en) * | 2016-03-31 | 2016-08-17 | 深圳大宇精雕科技有限公司 | Camera module detection device of burning equipment |
| CN106771978A (en) * | 2016-12-30 | 2017-05-31 | 昆山元茂电子科技有限公司 | Multistation circuit board detecting system and detection method |
| CN106824817A (en) * | 2017-01-03 | 2017-06-13 | 东莞理工学院 | A kind of automatic detecting machine of PCB |
| CN109406878A (en) * | 2016-11-02 | 2019-03-01 | 王飞 | A kind of power switch control cabinet route intelligent checking system |
| CN109725209A (en) * | 2017-10-31 | 2019-05-07 | 富泰华工业（深圳）有限公司 | Test fixture and test device with the test fixture |
| CN113064019A (en) * | 2019-12-31 | 2021-07-02 | 技嘉科技股份有限公司 | Function expansion card test platform |
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