CN206650061U - Chip gripper and fixture - Google Patents
Chip gripper and fixture Download PDFInfo
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- CN206650061U CN206650061U CN201720216543.6U CN201720216543U CN206650061U CN 206650061 U CN206650061 U CN 206650061U CN 201720216543 U CN201720216543 U CN 201720216543U CN 206650061 U CN206650061 U CN 206650061U
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- force
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- clamping
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Abstract
The utility model is related to a kind of chip gripper and fixture includes：First arm of force, pivotable opening or closure, its end set are used for the first clamping part for clamping chip；Second arm of force, pivotable opening or closure, its end set are used for the second clamping part for clamping chip；Elastic device, its elastic force acts on first arm of force and second arm of force so that first clamping part and the second clamping part tend to close；The progress of this chip gripper compared with the prior art is 1, chip is clamped using the first clamping part and the second clamping part can the fixture of chip 2 of compatible different model easy to operation to improve the simple manufacturing cost of the mechanical structure of production efficiency 3 low.
Description
Technical field
The present invention relates to it is a kind of be used for chip package when the chip gripper and fixture that use, fix fitting core especially with glue
The fixture used during piece component.
Background technology
The different element of glue laminating is needed to use during chip package, in order that must be bonded more firm while control
The thickness of glue ensures some chips（Such as capacitive fingerprint sensing device）Electric signal penetration power, members clamp is made using fixture
Glue is extruded between different elements, the step of some glue also need to be toasted to strengthen the bonding force of glue, therefore also
It is required that fixture can be put into baking box.The another side that chip is placed in chip on special base by existing fixture uses depression bar top
Firmly realize the fixation between different elements.But there is following technological deficiency in prior art：1. the base for putting chip, can not
The chip of compatible different model, because the chip of different model has different structures；2. depression bar fixture is awkward, base
Putting chip uneven may influence production efficiency；3. complicated in mechanical structure cost is high.
Therefore, the present invention is intended to provide a kind of new chip fixture reaches compatible different model chip, it is simple in construction just
In operation purpose.
The content of the invention
The present invention using elastic device and can pivot relative the arm of force and the clamping part that is arranged on the arm of force clamp core
Piece, there is the characteristics of cost easy to operation simple in construction is cheap.
Specifically include：
First arm of force, pivotable opening or closure, its end set are used for the first clamping part for clamping chip；
Second arm of force, pivotable opening or closure, its end set are used for the second clamping part for clamping chip；
Elastic device, its elastic force, which acts on, causes first clamping part and second on first arm of force and second arm of force
Clamping part tends to close.
Preferably, first clamping part and the second clamping part include the bottom being wholely set with first arm of force and second arm of force
Seat and the elastomeric pad being arranged on base.
Preferably, the first clamping part and first arm of force prolong with angle；Second clamping part and second arm of force have same
The angle of sample；The angle forms wide folder just when alloing first clamping part and the second clamping part to clamp chip
Seam.
Preferably, elastic device is Hookean spring, and the both ends of Hookean spring are fixed on to be clamped with the first clamping part and second
The other end of the first relative arm of force of portion and second arm of force.
Preferably, in addition to pivot connects with turning for first arm of force and the second arm of force rotor.
Preferably, elastic device is torque spring, is set on the pivot.
A kind of chip fixture, which is also provided, in order to preferably solve the above-mentioned technical problem present invention includes：
At least one chip gripper；
Base, for fixing the chip gripper.
The technological progress that obtains compared with the prior art of the present invention is：1. clamp core using the first clamping part and the second clamping part
Piece, the chip of the compatible different model of energy；2. fixture is easy to operation to improve the simple manufacturing cost of the mechanical structure of production efficiency 3.
It is low.
Brief description of the drawings
Accompanying drawing 1 and Fig. 2 show the side view and three-dimensional view of chip gripper.
Accompanying drawing 3a and Fig. 3 b displaying chip grippers are arranged on the schematic layout pattern on base.
Accompanying drawing 4a is the A-A cross-sectional views along Fig. 3 a.
Accompanying drawing 4b A-A cross-sectional views but employs the flexible member with different structure in Fig. 4 a along Fig. 3 a.
Accompanying drawing 5 is close-up schematic view in Fig. 4 a.
Accompanying drawing 6 is the chip gripper structural side view of embodiment two.
Embodiment
Technical solution of the present invention is described further below in conjunction with accompanying drawing：
Refer to the chip clip 1 shown in Fig. 1 and Fig. 2, chip gripper includes the first substantially u-shaped arm of force 11, and first
The afterbody in the bottom of U-shaped namely first arm of force 11 of the arm of force 11 is used to be wholely set at U-shaped edge by folder is pressed off for user
Its bearing of trend of shirt rim 12 being turned over downwards is vertical with U-shaped portion point；Integratedly set with the shirt rim at the middle part of first arm of force 11
Support 13 is equipped with, providing holes 14 is used to house pivot 3 on the support 13, first described in when user presses the rear end of first arm of force 11
The arm of force rotates along pivot 3.The front end 15 of first arm of force 11 tilts down bending, and the front end 15 and first of first arm of force 11 clamps
Portion 16 connects, and first clamping part 16 includes the base 17 being wholely set with the front end 15 of first arm of force 11 and is arranged on base
On the material well known to those skilled in the art such as elastomeric pad 18, the 18 preferred silica gel of elastomeric pad, rubber.Described first
There is an angle a fixed, angle a to cause the first clamping part for the plane that clamping part 11 extends and the plane of first arm of force extension
16 and second clamping part 26 can form wide clamping seam 19 when clamping chip 4.Chip gripper 1 includes substantially u-shaped the
Two arm of forces 21, the afterbody in the bottom of U-shaped namely second arm of force of second arm of force 21 is used for for user by folder is pressed off, in U-shaped
It is vertical with U-shaped portion point that edge is wholely set its bearing of trend of shirt rim 22 flipped up；The middle part of second arm of force 21 with it is described
The side of skirt 22 is provided integrally with support 23, and the hole 24 for housing pivot is provided with the support 23, and user presses second arm of force
Second arm of force rotates along pivot 3 described in during 21 rear end.The front end 25 of second arm of force 21 is inclined upwardly bending, and with the second clamping
Portion 26 connects, and second clamping part includes the base 27 being wholely set with the second arm of force front end and the elasticity being arranged on base
The materials well known to those skilled in the art such as the preferred silica gel of elastomeric pad described in pad 28, rubber.
At the rear portion of first arm of force 11 fin is bent downwardly to form in the rear of the pivot 3, a part for first arm of force
19, at the rear of the pivot 3, the part of second arm of force 21 is bent up curved for the rear portion of corresponding second arm of force of position 21
Into the second fin 29, linear coil springs 6, the first fin 19 and second are fixed among the first fin 19 and the second fin 29
Fin 29 is inserted into the hole at the both ends of Hookean spring 6 with the fixation linear coil springs 6, and Hookean spring 6 is in user's pressing the
One or second the arm of force rear portion when compress, screen resilience when user discharges the rear portion of first or second arm of force described in resilience passes through the
One arm of force 11 and second arm of force 21 are delivered to the clamping part for being arranged on first arm of force 11 and the front end of second arm of force 21（16、26）On,
Linear coil springs 6 are always so that the clamping part 26 of the first clamping part 16 and second tends to close.
Refer to Fig. 4 b, the Hookean spring 6 can also use torsion spring to replace 61 in the present embodiment, in fig. 4b torsion spring
Both ends include first support bar 62 and second support bar 63, one end tilts upward extending end branch to first support bar 62 therefrom
Support on first arm of force and by first arm of force fin 19 stop prevent to shift, second support bar 63 from
The torsion spring other end corresponding to first support bar tilts down extension support again on second arm of force and by second arm of force
Fin stop prevent to shift.
Refer to the chip fixture shown in Fig. 3 and Fig. 4 a includes the base 5 of rectangle, and base 5 inside sets multiple run through
Stepped hole 51, stepped hole is interior to set fix bar 52, and one end of fix bar 52 is fixed on 51 in the hole of bottom large-size, fix bar
Through stepped hole and one end distance is extended outward for fixed chip folder 1.At least one chip gripper 1 is set on base,
The each two of fix bar 52 described in the present embodiment is one group and the chip gripper 1 is relatively fixed at into base both sides, in chip gripper 1
The front end 25 of second arm of force 21 position of clamping part 26 and rear end are provided with hole 211 passed through for the fix bar to cause
Chip gripper 1 is fixed on base 5.
It refer to the base 5 shown in Fig. 5 for chip folder and can also be that its center of cyclic structure has hollow hole
50, the hole 51 that the fixation from the chassis interior of rectangle falls plate is different, and the stepped hole 51 inside cup dolly 5 is radial equably
It is distributed in base so that so that the chip gripper 1 is fixed on the base in radiation dress, described fix bar passes through step
Hole 51 simultaneously extends outward one end distance and is used for fixed chip folder 1, and each two of fix bar 52 is one group by the chip gripper 1
It is fixed on base, the position of clamping part and rear end, which are provided with hole, in the front end of second arm of force of chip gripper supplies the fixation
Bar is through so that chip is fixed on base.
The partial enlargement that refer to the chip structure shown in Fig. 4 shows diagrammatic cross-section, and the present invention is by taking fingerprint sensor as an example
Illustrate the basic structure of chip, chip gripper 1 of the invention is also applied in the encapsulation flow of other types chip.Fingerprint passes
Sense module includes outermost becket 71, and becket 71 is that the mechanics component of fingerprint module (can also be simultaneously as driving electricity
Pole use).Metal ring wall extends inwardly to form step 72, is used to carry dielectric cover plate 73, the matter of dielectric cover plate 73 in the step
Material includes but is not limited to：Glass, sapphire and ceramics, glue laminating is used between the step 72 and dielectric cover plate 73.In dielectric
The lower section of cover plate 73 is provided with fingerprint sensor 74, and glue laminating is used between dielectric cover plate 73 and fingerprint sensor 74, is referred to
74, line sensing core includes but is not limited to：Capacitance type fingerprint sensing chip, ultrasonic type fingerprint sensor and optical finger print pass
Sense chip.By taking capacitive fingerprint sensing device as an example, chip surface 74 sets induction electrode array, when user places a finger on dielectric
Crestal line and valley line when 73, lid is upper on finger are formed forms different electric capacity from induction electrode, and the circuit being connected with induction electrode will
Different electric capacity is converted into the figure of crestal line and valley line.The lower section of the fingerprint sensor 74 is provided with flexible circuit 75,
Flexible circuit 75 is electrically connected with fingerprint sensor 74.In encapsulation process above-mentioned dielectric cover plate 73 and becket 71 chip it
Between use glue bond after clamped with chip gripper 1, be put into chip roasting plant, in order to adapt to toast said chip folder the first power
Arm, second arm of force, pivot, elastic device and elastomeric pad are all made of exotic material.
The first clamping part 16 and the second clamping part 26 of chip gripper first arm of force 11 and the front end of second arm of force 21 are clipped in metal
71 in ring, elastomeric pad（18、28）Size be less than dielectric cover plate 73 size so that clamping part（16、26）It can be used in not
With the fingerprint sensing module of model, the chip of compatible different model will not be influenceed by the structural change of becket 71.Clamping
Portion（16、26）On elastomeric pad（18、28）It is covered on dielectric cover plate 73, where the first clamping part 16 and the second clamping part 26
Extended surface and first arm of force 11 and second arm of force 21 there is certain angle, the angle is set to meet condition：Work as cushion
Elastomeric pad 28 forms wide crack g (reference picture 1) when piece 18 clamps the chip, and wide clamping gap g is enabled to
Elastomeric pad on first, second clamping part（17、27）The pressure that even resilient folder is contacted with chip surface can be applied uniformly
It is added on the chip.
The present invention be added in using the first clamping part and the second clamping part chip surface (such as in fingerprint sensor becket,
Above dielectric cover plate) with the chip of compatible different dimensions, clip is easy to operate to be easier to avoid using pressure when putting chip
Rod-type clamping device needs to be placed in specific groove position, while the simple low production cost of mechanical mechanism compared with the prior art.
Embodiment two
It refer to Fig. 6 present embodiment chip grippers different from embodiment one and use flexure strip material bending forming, the bullet
Property the sheet material material well known to those skilled in the art such as including steel disc, formed in similar dovetail clip structure chart and show only side
Its stereochemical structure of structure is identical with dovetail clip, includes first arm of force 11, first that is wholely set with one similar chip gripper of embodiment
The front end of the arm of force 11 is upsweeped to form accepting hole 81, and the depression bar 82 for pressing is rotatably fixed in accepting hole 81, pressure
The afterbody that bar 82 upwardly extends depression bar along first arm of force 11 supplies pressing, similarly in the downward curl shape in end of second arm of force 21
Into accepting hole 81,81 are provided with the depression bar 82 for pressing in accepting hole, and depression bar 82 extends along second arm of force 21 to tiltedly lower
Its afterbody is for pressing.First arm of force 11 it is anterior set the first clamping part 16 first clamping part identical with embodiment one including with
Base 17 that first arm of force 11 is wholely set and the elastomeric pad 18 being arranged on base, anterior in second arm of force 21 set the
Two clamping part 26 its structure base including being wholely set with second arm of force identical with the first clamping part and it is arranged on base
Elastomeric pad.
Another relative with the clamping part 26 of the first clamping part 16 and second of the arm of force 21 of first arm of force 11 and second
End and the elastic integrally connected of original paper 6 ', three forms triangular cross-section structure, and the curved structure of flexible member 6 ' is to three
The inside bending of angular cross section structure, first arm of force 11 and second arm of force 21 are turned under being folded to respectively from the both ends of flexible member
Before extend downwardly and crossed in the front end of first arm of force and second arm of force.Change chip gripper unlike embodiment one not connect
The rotating shaft of first arm of force and second arm of force, when pressing the depression bar, the both ends of first arm of force and second arm of force along flexible member
Bending, and slightly sink with the bending of elastic original paper.First clamping part and the second folder when discharging the first depression bar and the second depression bar
Hold portion to close in the presence of elastic original paper, the first clamping part and the second clamping part convergence can form wide folder when closing
Seam, with can be to the uniform pressure of chip surface when clamping chip.
Claims (7)
1. chip gripper, it is characterised in that including：
First arm of force, pivotable opening or closure, its end set are used for the first clamping part for clamping chip；
Second arm of force, pivotable opening or closure, its end set are used for the second clamping part for clamping chip；
Elastic device, its elastic force, which is acted on first arm of force and second arm of force, causes first clamping part and the second clamping
Portion tends to close.
2. chip gripper according to claim 1, it is characterised in that first clamping part and the second clamping part include and the
The base that one arm of force and second arm of force are wholely set and the elastomeric pad being arranged on base.
3. chip gripper according to claim 1, it is characterised in that first clamping part and first arm of force prolong with first
Angle；Second clamping part and second arm of force have the second angle；The angle of first angle and the second angle is arranged to make
Wide crack can be formed just by obtaining when first clamping part and the second clamping part clamp chip.
4. chip gripper according to claim 1, it is characterised in that the elastic device is Hookean spring, Hookean spring
Both ends are fixed on the other end of first arm of force relative with the first clamping part and the second clamping part and second arm of force.
5. chip gripper according to claim 1, it is characterised in that also supply first arm of force and second arm of force including pivot
Rotor turns ground connection.
6. chip gripper according to claim 1, it is characterised in that the elastic device is torque spring, is set in described
On pivot.
A kind of 7. fixture using chip gripper as claimed in claim 1, it is characterised in that including：
At least one chip gripper；
Base, for fixing the chip gripper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720216543.6U CN206650061U (en) | 2017-03-07 | 2017-03-07 | Chip gripper and fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720216543.6U CN206650061U (en) | 2017-03-07 | 2017-03-07 | Chip gripper and fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206650061U true CN206650061U (en) | 2017-11-17 |
Family
ID=60280467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720216543.6U Active CN206650061U (en) | 2017-03-07 | 2017-03-07 | Chip gripper and fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206650061U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109718879A (en) * | 2019-01-16 | 2019-05-07 | 复旦大学附属肿瘤医院 | A kind of sorting mechanism for micro-fluidic chip |
| CN113567470A (en) * | 2021-07-13 | 2021-10-29 | 安徽科惠微电子有限公司 | Optical chip testing device |
-
2017
- 2017-03-07 CN CN201720216543.6U patent/CN206650061U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109718879A (en) * | 2019-01-16 | 2019-05-07 | 复旦大学附属肿瘤医院 | A kind of sorting mechanism for micro-fluidic chip |
| CN113567470A (en) * | 2021-07-13 | 2021-10-29 | 安徽科惠微电子有限公司 | Optical chip testing device |
| CN113567470B (en) * | 2021-07-13 | 2022-03-11 | 安徽科惠微电子有限公司 | Optical chip testing device |
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