CN109884509A - A kind of detection device of the high reliablity for chip - Google Patents
A kind of detection device of the high reliablity for chip Download PDFInfo
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- CN109884509A CN109884509A CN201910237631.8A CN201910237631A CN109884509A CN 109884509 A CN109884509 A CN 109884509A CN 201910237631 A CN201910237631 A CN 201910237631A CN 109884509 A CN109884509 A CN 109884509A
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- detection device
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Abstract
The present invention relates to a kind of detection devices of high reliablity for chip, including main body and workbench, it further include testing agency and positioning mechanism, the testing agency includes casing, elevating lever, pressing plate, detection components and two lifting assemblies, the detection components include movable plate, two limit assemblies and several probes, the positioning mechanism includes fixed bin and two mobile boxes, moving assembly is equipped in the mobile box, fixation kit is equipped in the fixed bin, the fixation kit includes first motor, wire spool and two fixed cells, the detection device for being used for the high reliablity of chip passes through testing agency, it is contacted sufficiently by squeezing chip with probe, avoid chip discontinuity, cause part pad on chip that can not contact with probe, influence detection effect, pass through positioning mechanism, it is not necessary that chip is artificially placed on spy At needle, position inaccurate is avoided, influences detection effect.
Description
Technical field
The present invention relates to chip detection field, in particular to the detection device of a kind of high reliablity for chip.
Background technique
Chip is the general designation of semiconductor element product, and the process of chip detection is that the chip after encapsulation is placed in various environment
Lower its electrical characteristic of test, such as consumption power, the speed of service, pressure withstanding degree, the chip after detecting are divided according to its electrical characteristic
For different brackets, the product through general test qualification sticks the label of the marks such as specification, model and the date of production and is packed
After can dispatch from the factory, and degradation product or waste product chip are not set for by parameter situation that the chip of test then reaches depending on it, so inspection
Measurement equipment is one of essential equipment in chip manufacturing.
Existing chip detection leads to chip discontinuity generally by artificial pressing detection, so that part is welded
Contact can not be contacted with probe, to influence detection effect, moreover, when detecting, need that chip is artificially placed on spy
At needle, lead to position inaccurate, also bring work load to user, reduces the convenience of detection.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, provide it is a kind of for chip can
The detection device high by property.
The technical solution adopted by the present invention to solve the technical problems is: a kind of detection of the high reliablity for chip is set
It is standby, including main body and workbench, the workbench, which is fixed on, leads intracorporal bottom, is equipped with PLC in the main body, further includes detection
Mechanism and positioning mechanism；
The testing agency includes that casing, elevating lever, pressing plate, detection components and two lifting assemblies, described sleeve pipe are fixed
At the intracorporal top of master, the lower section of described sleeve pipe is equipped with through-hole, and one end of the elevating lever is fixedly connected with the pressing plate, the lifting
The other end of bar passes through the inside that casing is arranged in through-hole, and the elevating lever and through-hole are coaxially disposed, two lifting assembly difference
Two sides in casing are set, and the lifting assembly and elevating lever are sequentially connected, and the workbench is equipped with groove, the detection
The inside of groove is arranged in component；
The detection components include that movable plate, two limit assemblies and several probes, the movable plate are horizontally set on
The inside of groove, the two sides of the movable plate are connect with two limit assemblies respectively, and the probe is evenly distributed on movable plate
Top；
The positioning mechanism includes fixed bin and two mobile boxes, and the side of the main body is equipped with feed inlet, two movements
Box is separately positioned on the two sides of workbench, and the inner wall of the side of the separate feed inlet of one end and main body of the mobile box is fixed to be connected
Connect, the other end of the mobile box passes through the outside that main body is arranged in feed inlet, the fixed bin setting two mobile boxes it
Between, moving assembly is equipped in the mobile box, the moving assembly and fixed bin are sequentially connected；
Fixation kit is equipped in the fixed bin, the side of the close workbench of the fixed bin is equipped with the first opening, institute
Stating fixation kit includes that first motor, wire spool and two fixed cells, the first motor are fixed on the bottom in fixed bin,
The first motor and wire spool are sequentially connected, and two fixed cells are separately positioned on the two sides of first motor, described fixed single
Member includes bracing wire, fixed plate and the first spring, and the one ends wound of the bracing wire is on wire spool, the other end of the bracing wire and solid
Fixed board is fixedly connected, and the both ends of first spring are connect with the inner wall of the side of fixed bin and fixed plate respectively, and described first
Spring is in tensional state, and the first motor is electrically connected with PLC.
Preferably, the lifting assembly includes the second motor, gear and rack gear, institute in order to which band dynamic pressure plate moves up and down
The bottom that the second motor is fixed in casing is stated, second motor is connect with gear drive, and the rack gear is fixed on elevating lever
On, the wheel and rack engagement, second motor is electrically connected with PLC.
Preferably, being coated with lubricating oil on the gear in order to enable rack gear is mobile smooth.
Preferably, the lifting assembly further includes lifter plate and two in order to limit the moving direction of limitation elevating lever
One end of guide rod, the separate pressing plate of the elevating lever is fixedly connected with lifter plate, and two guide rods are separately positioned in casing
Two sides, the both ends of the guide rod respectively in casing top and the second motor above be fixedly connected, the movable plate
Both ends be respectively sleeved on two guide rods, the lifter plate is slidably connected with guide rod.
Preferably, in order to limit the moving direction of movable plate, the limit assembly includes gag lever post, two second springs
With two fixed blocks, the both ends of the gag lever post pass through two fixed blocks respectively and are fixedly connected with the inner wall of the side of groove, institute
The both ends for stating lifter plate are respectively sleeved on two gag lever posts, and two second springs are separately positioned on the top of movable plate under
Side, the both ends of the second spring are connect with movable plate and fixed block respectively.
Preferably, in order to extend the service life of bracing wire, the making material of the bracing wire is nylon.
Preferably, the fixed cell further includes strut in order to limit the moving direction of fixed plate, the two of the strut
End is fixedly connected with the inner wall of the side of fixed bin and first motor respectively, and the fixed plate is set on strut, the fixation
Plate is slidably connected with strut.
Preferably, in order to detect pressure suffered by fixed plate, the inner wall of the side close to each other of two fixed plates
On be equipped with pressure sensor, the pressure sensor is electrically connected with PLC.
Preferably, the side of the close workbench of the mobile box is equipped with the second opening in order to drive fixed bin mobile,
The moving assembly includes third motor, screw rod and sliding block, and the third motor is fixed on the bottom in mobile box, the third
Motor is connect with screw rod transmission, and the sliding block is set on screw rod, the sliding block be equipped with the junction of screw rod and screw rod
The screw thread matched, the both ends of the fixed bin are fixedly connected with two sliding blocks respectively, and the third motor is electrically connected with PLC.
Preferably, the moving assembly further includes support rod, the support rod in order to limit the moving direction of sliding block
Both ends are fixedly connected with the inner wall of the two sides of mobile box respectively, and the support rod is arranged in parallel with screw rod, and the sliding block is set in
On support rod, the sliding block is slidably connected with support rod.
The invention has the advantages that the detection device of the high reliablity for being used for chip passes through testing agency, by squeezing
Pressure chip contacts sufficiently with probe, avoids chip discontinuity, causes part pad on chip that can not contact with probe, shadow
Detection effect is rung, compared with existing testing agency, which improves detection effect, the reliability of equipment is improved,
By positioning mechanism, it is not necessary that artificially chip is placed at probe, position inaccurate is avoided, detection effect is influenced, and it is existing
Positioning mechanism is compared, which alleviates the work load of user, improves the convenience of detection.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the detection device of the high reliablity for chip of the invention；
Fig. 2 is the structural schematic diagram of the testing agency of the detection device of the high reliablity for chip of the invention；
Fig. 3 is the portion the A enlarged drawing of Fig. 1；
Fig. 4 is the structural schematic diagram of the positioning mechanism of the detection device of the high reliablity for chip of the invention；
In figure: 1. main bodys, 2. workbench, 3. casings, 4. second motors, 5. gears, 6. rack gears, 7. elevating levers, 8. pressing plates,
9. lifter plate, 10. guide rods, 11. movable plates, 12. probes, 13. gag lever posts, 14. second springs, 15. fixed blocks, 16. is fixed
Box, 17. mobile boxes, 18. first motors, 19. wire spools, 20. bracing wires, 21. fixed plates, 22. first springs, 23. struts, 24.
Third motor, 25. screw rods, 26. sliding blocks, 27. support rods.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of detection device of the high reliablity for chip, including main body 1 and workbench 2, the work
Make the bottom that platform 2 is fixed in main body 1, to be equipped with PLC in the main body 1, further include testing agency and positioning mechanism；
This is used for the detection device of the high reliablity of chip by testing agency, is filled by squeezing chip and contacting with probe 12
Point, chip discontinuity is avoided, causes part pad on chip that can not contact with probe 12, influences detection effect by determining
Position mechanism avoids position inaccurate, influences detection effect it is not necessary that artificially chip is placed at probe 12.
As Figure 2-3, the testing agency includes casing 3, elevating lever 7, pressing plate 8, detection components and two lifting groups
Part, described sleeve pipe 3 are fixed on the top in main body 1, and the lower section of described sleeve pipe 3 is equipped with through-hole, one end of the elevating lever 7 and pressure
Plate 8 is fixedly connected, and the other end of the elevating lever 7 passes through the inside that casing 3 is arranged in through-hole, and the elevating lever 7 and through-hole are same
Axis setting, two lifting assemblies are separately positioned on the two sides in casing 3, and the lifting assembly and elevating lever 7 are sequentially connected, described
Workbench 2 is equipped with groove, and the inside of groove is arranged in the detection components；
The detection components include 11, two limit assemblies of movable plate and several probes 12, and the movable plate 11 is horizontal
The inside of groove is set, and the two sides of the movable plate 11 are connect with two limit assemblies respectively, and the probe 12 is uniformly distributed
In the top of movable plate 11；
When carrying out detection work, lifting assembly work drives elevating lever 7 to move down, so that pressing plate 8 is to close to work
The direction of platform 2 is mobile, so that pressing plate 8 contacts and squeeze chip with the chip of 12 top of probe, so that chip and probe 12
Contact sufficiently, avoids chip discontinuity, causes part pad on chip that can not contact with probe 12, influences detection effect
Fruit improves the reliability of equipment.
As shown in figure 4, the positioning mechanism includes fixed bin 16 and two mobile boxes 17, the side of the main body 1 is equipped with
Feed inlet, two mobile boxes 17 are separately positioned on the two sides of workbench 2, one end of the mobile box 17 and main body 1 far from into
The inner wall of the side of material mouth is fixedly connected, and the other end of the mobile box 17 passes through the outside that main body 1 is arranged in feed inlet, described
Fixed bin 16 is arranged between two mobile boxes 17, is equipped with moving assembly, the moving assembly and fixation in the mobile box 17
Box 16 is sequentially connected；
Fixation kit is equipped in the fixed bin 16, the side of the close workbench 2 of the fixed bin 16 is equipped with first and opens
Mouthful, the fixation kit includes first motor 18, wire spool 19 and two fixed cells, and the first motor 18 is fixed on fixation
Bottom in box 16, the first motor 18 are sequentially connected with wire spool 19, and two fixed cells are separately positioned on first motor
18 two sides, the fixed cell include bracing wire 20, fixed plate 21 and the first spring 22, the one ends wound of the bracing wire 20 around
On drum 19, the other end of the bracing wire 20 is fixedly connected with fixed plate 21, the both ends of first spring 22 respectively with fixation
The inner wall and fixed plate 21 of the side of box 16 connect, and first spring 22 is in tensional state, the first motor 18 and PLC
Electrical connection.
In fact, chip is placed between two fixed plates 21 by user, then control the starting of first motor 18, wire spool
19 rotations, tighten bracing wire 20, so that two fixed plates 21 are mobile to direction close to each other, so that two fixed plates 21 are pressed from both sides
Tight chip, then moving assembly work is controlled, the direction for driving fixed bin 16 to close workbench 2 is mobile, so that chip is moved to
The top of probe 12, then the reversion of first motor 18 is controlled, lengthen bracing wire 20, so that fixed plate 21 no longer clamps chip, so that core
Piece is dropped down onto the top of probe 12.
Preferably, the lifting assembly includes the second motor 4, gear 5 and rack gear in order to which band dynamic pressure plate 8 moves up and down
6, second motor 4 is fixed on the bottom in casing 3, and second motor 4 is sequentially connected with gear 5, and the rack gear 6 is fixed
On elevating lever 7, the gear 5 is engaged with rack gear 6, and second motor 4 is electrically connected with PLC.
The starting of second motor 4, gear 5 rotate, and band carry-over bar 6 is mobile, so that adjusting rod moves down, thus with dynamic pressure plate
8, to close to the movement of the direction of workbench 2, so that pressing plate 8 presses chip, so that chip is contacted with probe 12, are convenient for detection.
Preferably, being coated with lubricating oil on the gear 5, reducing gear 5 and tooth in order to enable rack gear 6 is mobile smooth
Frictional force between item 6, so that rack gear 6 is mobile smooth.
Preferably, the lifting assembly further includes lifter plate 9 and two in order to limit the moving direction of limitation elevating lever 7
One end of a guide rod 10, the separate pressing plate 8 of the elevating lever 7 is fixedly connected with lifter plate 9, and two guide rods 10 are respectively set
Two sides in casing 3, the both ends of the guide rod 10 are fixed with the top at top and the second motor 4 in casing 3 respectively to be connected
It connects, the both ends of the lifter plate 9 are respectively sleeved on two guide rods 10, and the lifter plate 9 is slidably connected with guide rod 10.
When elevating lever 7 moves down, drives lifter plate 9 to move on guide rod 10, limit the mobile side of elevating lever 7
To so that elevating lever 7 is more stable when mobile.
Preferably, in order to limit the moving direction of movable plate 11, the limit assembly includes gag lever post 13, two second
Spring 14 and two fixed blocks 15, the both ends of the gag lever post 13 pass through the inner wall of the side of two fixed blocks 15 and groove respectively
It is fixedly connected, the both ends of the movable plate 11 are respectively sleeved on two gag lever posts 13, and two second springs 14 are separately positioned on
Above and below movable plate 11, the both ends of the second spring 14 are connect with movable plate 11 and fixed block 15 respectively.
When carrying out detection work, pressing plate 8 is moved down, and pressing chip drives simultaneously so that chip is contacted with probe 12
Movable plate 11 moves down, and the second spring 14 positioned at the lower section of movable plate 11 is in compressive state, positioned at the upper of movable plate 11
The second spring 14 of side is in tensional state, and after the completion of detection, pressing plate 8 is moved up, and passes through time of two second springs 14
Multiple power, to drive chip to restore to original position by probe 12, is convenient for fixation kit fixed core so that movable plate 11 moves up
Piece.
Preferably, in order to extend the service life of bracing wire 20, the making material of the bracing wire 20 is nylon.
Preferably, in order to limit the moving direction of fixed plate 21, the fixed cell further includes strut 23, the strut
23 both ends are fixedly connected with the inner wall of the side of fixed bin 16 and first motor 18 respectively, and the fixed plate 21 is set in strut
On 23, the fixed plate 21 is slidably connected with strut 23.
By the way that strut 23 is arranged, the moving direction of fixed plate 21 is limited, the stability when movement of fixed plate 21 is improved.
Preferably, in order to detect pressure suffered by fixed plate 21, the side close to each other of two fixed plates 21
Pressure sensor is equipped on inner wall, the pressure sensor is electrically connected with PLC.
By pressure sensor, the pressure between fixed plate 21, after the pressure value detected reaches setting value, table are detected
Face fixed plate 21 has clamped chip, stops working to control fixation kit, avoids fixed plate 21 mobile excessively, damages core
Piece.
Preferably, the side of the close workbench 2 of the mobile box 17 is equipped with second in order to drive fixed bin 16 mobile
Opening, the moving assembly includes third motor 24, screw rod 25 and sliding block 26, and the third motor 24 is fixed in mobile box 17
Bottom, the third motor 24 is sequentially connected with screw rod 25, and the sliding block 26 is set on screw rod 25, the sliding block 26 with
The junction of screw rod 25, which is equipped with, fixes company with two sliding blocks 26 respectively with the matched screw thread of screw rod 25, the both ends of the fixed bin 16
It connects, the third motor 24 is electrically connected with PLC.
Third motor 24 starts, and screw rod 25 rotates, mobile to the direction far from third motor 24 with movable slider 26, thus band
The direction of dynamic fixed bin 16 to close workbench 2 is mobile, so that the chip that fixed plate 21 clamps is moved to the top of groove.
Preferably, in order to limit the moving direction of sliding block 26, the moving assembly further includes support rod 27, the support
The both ends of bar 27 are fixedly connected with the inner wall of the two sides of mobile box 17 respectively, and the support rod 27 is arranged in parallel with screw rod 25, institute
It states sliding block 26 to be set on support rod 27, the sliding block 26 is slidably connected with support rod 27.
By the way that support rod 27 is arranged, sliding block 26 is avoided to rotate when moving on screw rod 25, dead sliding block 26 is in screw rod
It is more stable when being moved on 25.
In fact, chip is placed between two fixed plates 21 by user, then control the starting of first motor 18, wire spool
19 rotations, tighten bracing wire 20, so that two fixed plates 21 are mobile to direction close to each other, so that two fixed plates 21 are pressed from both sides
Tight chip, then moving assembly work is controlled, the direction for driving fixed bin 16 to close workbench 2 is mobile, so that chip is moved to
The top of probe 12, then the reversion of first motor 18 is controlled, lengthen bracing wire 20, so that fixed plate 21 no longer clamps chip, so that core
Piece is dropped down onto the top of probe 12, then controls the starting of the second motor 4, and gear 5 rotates, and band carry-over bar 6 is mobile, so that elevating lever 7
It moves down, so that the direction of pressing plate 8 to close workbench 2 is mobile, so that pressing plate 8 is contacted with the chip of 12 top of probe
And squeeze chip so that chip contacts sufficiently with probe 12, avoid chip discontinuity, cause on chip part pad without
Method is contacted with probe 12, influences detection effect, improves the reliability of equipment.
Compared with prior art, the detection device of the high reliablity for being used for chip passes through extrusion die by testing agency
Piece contacts sufficiently with probe 12, avoids chip discontinuity, causes part pad on chip that can not contact with probe 12, shadow
Detection effect is rung, compared with existing testing agency, which improves detection effect, the reliability of equipment is improved,
By positioning mechanism, it is not necessary that artificially chip is placed at probe 12, position inaccurate is avoided, detection effect is influenced, and it is existing
Positioning mechanism compare, which alleviates the work load of user, improves the convenience of detection.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of detection device of the high reliablity for chip, including main body (1) and workbench (2), the workbench (2) is solid
It is scheduled on the bottom in main body (1), is equipped with PLC in the main body (1), which is characterized in that further include testing agency and positioning mechanism；
The testing agency includes casing (3), elevating lever (7), pressing plate (8), detection components and two lifting assemblies, described sleeve pipe
(3) it is fixed on the top in main body (1), the lower section of described sleeve pipe (3) is equipped with through-hole, one end of the elevating lever (7) and pressing plate
(8) be fixedly connected, the other end of the elevating lever (7) passes through through-hole and is arranged in the inside of casing (3), the elevating lever (7) with
Through-hole coaxial arrangement, two lifting assemblies are separately positioned on the two sides in casing (3), and the lifting assembly and elevating lever (7) pass
Dynamic connection, the workbench (2) are equipped with groove, and the inside of groove is arranged in the detection components；
The detection components include movable plate (11), two limit assemblies and several probes (12), movable plate (11) water
The flat inside that groove is arranged in, the two sides of the movable plate (11) are connect with two limit assemblies respectively, and the probe (12) is equal
The even top for being distributed in movable plate (11)；
The positioning mechanism includes fixed bin (16) and two mobile boxes (17), and the side of the main body (1) is equipped with feed inlet, and two
A mobile box (17) is separately positioned on the two sides of workbench (2), the separate charging of one end and main body (1) of the mobile box (17)
The inner wall of the side of mouth is fixedly connected, and the other end of the mobile box (17) passes through feed inlet and is arranged in the outside of main body (1), institute
Fixed bin (16) are stated to be arranged between two mobile boxes (17), equipped with moving assembly in the mobile box (17), described mobile group
Part and fixed bin (16) are sequentially connected；
Fixation kit is equipped in the fixed bin (16), the side of the close workbench (2) of the fixed bin (16) is equipped with first
Opening, the fixation kit include first motor (18), wire spool (19) and two fixed cells, and the first motor (18) is solid
It is scheduled on the bottom in fixed bin (16), the first motor (18) and wire spool (19) are sequentially connected, two fixed cell difference
Two sides in first motor (18) are set, and the fixed cell includes bracing wire (20), fixed plate (21) and the first spring (22), institute
The one ends wound of bracing wire (20) is stated on wire spool (19), the other end of the bracing wire (20) is fixedly connected with fixed plate (21),
The both ends of first spring (22) are connect with the inner wall of the side of fixed bin (16) and fixed plate (21) respectively, first bullet
Spring (22) is in tensional state, and the first motor (18) is electrically connected with PLC.
2. the detection device for the high reliablity of chip as described in claim 1, which is characterized in that the lifting assembly packet
Including the second motor (4), gear (5) and rack gear (6), second motor (4) is fixed on the bottom in casing (3), and described second
Motor (4) and gear (5) are sequentially connected, and the rack gear (6) is fixed on elevating lever (7), and the gear (5) is nibbled with rack gear (6)
It closes, second motor (4) is electrically connected with PLC.
3. the detection device for the high reliablity of chip as claimed in claim 2, which is characterized in that on the gear (5)
It is coated with lubricating oil.
4. the detection device for the high reliablity of chip as described in claim 1, which is characterized in that the lifting assembly is also
Including lifter plate (9) and two guide rods (10), one end and lifter plate (9) of the separate pressing plate (8) of the elevating lever (7) are fixed
Connection, two guide rods (10) are separately positioned on the two sides in casing (3), the both ends of the guide rod (10) respectively with casing
(3) it is fixedly connected above the top and the second motor (4) in, the both ends of the lifter plate (9) are respectively sleeved at two guiding
On bar (10), the lifter plate (9) is slidably connected with guide rod (10).
5. the detection device for the high reliablity of chip as described in claim 1, which is characterized in that the limit assembly packet
Gag lever post (13), two second springs (14) and two fixed blocks (15) are included, the both ends of the gag lever post (13) pass through two respectively
A fixed block (15) is fixedly connected with the inner wall of the side of groove, and the both ends of the movable plate (11) are respectively sleeved at two limits
On bar (13), two second springs (14) are separately positioned on above and below movable plate (11), the second spring (14)
Both ends are connect with movable plate (11) and fixed block (15) respectively.
6. the detection device for the high reliablity of chip as described in claim 1, which is characterized in that the bracing wire (20)
Making material is nylon.
7. the detection device for the high reliablity of chip as described in claim 1, which is characterized in that the fixed cell is also
Including strut (23), the both ends of the strut (23) are fixed with the inner wall of the side of fixed bin (16) and first motor (18) respectively
Connection, the fixed plate (21) are set on strut (23), and the fixed plate (21) is slidably connected with strut (23).
8. the detection device for the high reliablity of chip as described in claim 1, which is characterized in that two fixed plates (21)
Side close to each other inner wall on be equipped with pressure sensor, the pressure sensor is electrically connected with PLC.
9. the detection device for the high reliablity of chip as described in claim 1, which is characterized in that the mobile box (17)
Close workbench (2) side be equipped with second opening, the moving assembly includes third motor (24), screw rod (25) and sliding block
(26), the third motor (24) is fixed on the bottom in mobile box (17), and the third motor (24) and screw rod (25) are driven
Connection, the sliding block (26) is set on screw rod (25), the sliding block (26) be equipped with the junction of screw rod (25) and screw rod
(25) matched screw thread, the both ends of the fixed bin (16) are fixedly connected with two sliding blocks (26) respectively, the third motor
(24) it is electrically connected with PLC.
10. the detection device for the high reliablity of chip as claimed in claim 9, which is characterized in that the moving assembly
It further include support rod (27), the both ends of the support rod (27) are fixedly connected with the inner wall of the two sides of mobile box (17) respectively, institute
Support rod (27) is stated to be arranged in parallel with screw rod (25), the sliding block (26) is set on support rod (27), the sliding block (26) with
Support rod (27) is slidably connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910237631.8A CN109884509A (en) | 2019-03-27 | 2019-03-27 | A kind of detection device of the high reliablity for chip |
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| CN201910237631.8A CN109884509A (en) | 2019-03-27 | 2019-03-27 | A kind of detection device of the high reliablity for chip |
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| CN201910237631.8A Withdrawn CN109884509A (en) | 2019-03-27 | 2019-03-27 | A kind of detection device of the high reliablity for chip |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110824341A (en) * | 2019-11-14 | 2020-02-21 | 杭州易正科技有限公司 | SOP packaging test fixture with lifting limit function |
| CN112051281A (en) * | 2020-09-14 | 2020-12-08 | 深圳格兰达智能装备股份有限公司 | Detection platform for placing material strips |
| CN112327135A (en) * | 2020-10-30 | 2021-02-05 | 芜湖安途智能制造有限公司 | Safety encryption chip testing device with positioning function and testing method |
| CN115656808A (en) * | 2022-11-21 | 2023-01-31 | 济南精进电子科技有限公司 | Automatic adjusting and detecting device based on intelligent loop terminal |
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