CN218677105U

CN218677105U - Chip clamp

Info

Publication number: CN218677105U
Application number: CN202223281000.2U
Authority: CN
Inventors: 葛伟
Original assignee: Suzhou Huatai Electronics Co Ltd
Current assignee: Suzhou Huatai Electronics Co Ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-03-21
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a chip clamp, which comprises a clamp body, wherein the clamp body is provided with an adsorption hole and a limiting part, and a first air passage is formed inside the adsorption hole; the limiting component comprises a limiting plate, the limiting plate comprises a first limiting strip and a second limiting strip which are oppositely arranged on two sides of the adsorption hole, a constraint space is formed between the first limiting strip and the second limiting strip, the chip can be arranged in the constraint space and is inconsistent with the first limiting strip and the second limiting strip, and the first limiting strip and the second limiting strip can at least constrain the chip along a first direction. The embodiment of the utility model provides a pair of chip clamp can set up a plurality of absorption holes and spacing part on the anchor clamps body for retrain a plurality of chips, thereby make that the chip can be firm by the absorption on the anchor clamps body, realize encapsulating a plurality of chips simultaneously in once encapsulation operation.

Description

Chip clamp

Technical Field

The utility model relates to a fixture, in particular to chip clamp.

Background

When the chip is packaged, the chip needs to be restrained and fixed so as to facilitate subsequent packaging operations.

Generally, when a chip is fixed by a direct extrusion mode, the contact surface at the bottom of the chip is incomplete, suspension occurs, heat transfer is not uniform, the whole plane is not horizontal or can not be completely fixed, and the phenomenon that the bonding wire is poor due to rebounding is easily caused when the gold wire bonding is carried out.

Furthermore, a common substrate may further include an adsorption hole for adsorbing a chip, but the adsorption hole of a single fixed size disposed on the substrate can only restrain one chip at a time, which is inefficient.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a chip clamp for solving the problem of chip instability.

For realizing the purpose of the utility model, the utility model discloses a technical scheme include:

an embodiment of the utility model provides a chip clamp, include: the clamp comprises a clamp body, wherein an adsorption hole and a limiting part are arranged on the clamp body, and a first air passage is formed inside the adsorption hole;

the limiting component comprises a limiting plate, the limiting plate comprises a first limiting strip and a second limiting strip which are oppositely arranged on two sides of the adsorption hole, a constraint space is formed between the first limiting strip and the second limiting strip, the chip can be arranged in the constraint space and is inconsistent with the first limiting strip and the second limiting strip, and the first limiting strip and the second limiting strip can at least constrain the chip along a first direction.

Compared with the prior art, the utility model has the advantages that:

1) The embodiment of the utility model provides a chip clamp can set up a plurality of absorption holes and spacing part on the anchor clamps body for retrain a plurality of chips, thus make the chip can be firmly absorbed on the anchor clamps body, realize encapsulating a plurality of chips simultaneously in a packaging operation;

2) The chip clamp provided by the embodiment of the utility model can be used for restraining chips with different specifications, and solves the problem that chips with different sizes can not be restrained and fixed on the same clamp in laboratory debugging;

3) The embodiment of the utility model provides a limiting plate is connected with the anchor clamps body is detachable in the chip anchor clamps that provide, can change the limiting plate according to the actual work demand, and the simple operation is more practical;

4) The embodiment of the utility model provides a pair of still be provided with on the limiting plate in chip anchor clamps and link up and get the groove, when the operation finishes the back and need take out the chip, can use to link up and get the instrument and arrange in and link up and get the groove, link up and get the chip, convenient and fast avoids chip outward appearance unnecessary wearing and tearing.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a chip holder according to an exemplary embodiment of the present invention;

fig. 2 is a top view of a chip holder provided in an exemplary embodiment of the invention;

fig. 3 is a front view of a chip holder provided in an exemplary embodiment of the present invention;

FIG. 4 isbase:Sub>A schematic sectional view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged partial schematic view at B in FIG. 4;

description of reference numerals:

1. a clamp body; 11. an adsorption hole; 111. a first air passage; 112. a second air passage; 12. mounting grooves; 2. a limiting component; 21. a first limit strip; 22. a second limit strip; 23. a third limiting strip; 24. a first catching groove; 25. a second catching groove; 3. a connecting structure; 31. a connecting member; 311. a first connecting rod; 312. a second connecting rod; 32. connecting grooves; 321. a first connection portion; 322. a second connecting portion.

Detailed Description

In view of the deficiencies in the prior art, the inventor of the present invention has made extensive studies and practices to provide the technical solution of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.

The embodiment of the utility model provides a chip clamp, which comprises a clamp body, wherein the clamp body is provided with an adsorption hole and a limiting part, and a first air passage is formed inside the adsorption hole;

In some more specific embodiments, the limiting plate further includes a third limiting strip, the third limiting strip is disposed along the second direction at the periphery of the adsorption hole, the third limiting strip is further connected to at least one of the first limiting strip and the second limiting strip, the chip located in the constraint space is further abutted to the third limiting strip, and the first direction and the second direction are arranged in a crossed manner.

In some specific embodiments, the third limiting strip and the first limiting strip are perpendicular to each other.

In some specific embodiments, the third limiting strip and the second limiting strip are perpendicular to each other.

In some specific embodiments, the third limiting strip and the first limiting strip are perpendicular to each other, and the second limiting strip is perpendicular to each other.

In some specific embodiments, the limiting plate is integrally disposed with the clamp body.

In some more specific embodiments, the limiting plate through a connection structure with the detachable connection of anchor clamps body, connection structure includes mutually supporting connecting piece and spread groove, the connecting piece sets up on first spacing and/or the third of second spacing, the spread groove sets up on the anchor clamps body, the connecting piece can be fixed in the spread groove.

In some more specific embodiments, the connecting groove has a first connecting portion and a second connecting portion, and the width or radial dimension of the first connecting portion is smaller than that of the second connecting portion;

the connecting piece is provided with a first connecting rod and a second connecting rod which are sequentially arranged along the axis direction, and the radial size of the first connecting rod is smaller than that of the second connecting rod;

the connecting piece can move between a first station and a second station, when the connecting piece is positioned at the first station, the second connecting rod is arranged in the second connecting part, and when the connecting piece is positioned at the second station, the first connecting rod is arranged in the first connecting part and enables the connecting piece to be restrained at the second station.

In some specific embodiments, the first and second limiting strips are further provided with a plurality of first engaging grooves, and the plurality of first engaging grooves are symmetrically arranged on the first and second limiting strips with respect to the adsorption holes.

In some more specific embodiments, a chip holder further comprises a second engaging groove disposed at an angle formed between the third limiting strip and the first limiting strip and/or the second limiting strip.

In some more specific embodiments, the first and/or second engagement slot is circular-like.

In some more specific embodiments, the chip holder includes a second air channel and a plurality of adsorption holes, wherein a plurality of first air channels of the plurality of adsorption holes are communicated with each other, and the second air channel is communicated with the plurality of first air channels.

In some comparatively specific embodiments, the anchor clamps body has relative first terminal surface and second terminal surface, the adsorption hole sets up on first terminal surface, be provided with an installation groove on the second terminal surface, the installation groove is used for being connected with the fixing device configuration, be provided with the vacuum hole on the installation groove, the vacuum hole with the second air flue intercommunication.

In the following, the technical solution, the implementation process and the principle thereof will be further explained with reference to the drawings and the specific embodiments, unless otherwise specified, the suction mechanism used in the embodiments of the present invention is a component known to those skilled in the art, which is commercially available, and the specific structure and model thereof are not limited herein.

Examples

Referring to fig. 1-2, a chip clamp includes a clamp body 1, the clamp body 1 is provided with an absorption hole 11 and a limiting component 2, and a first air channel 111 is formed inside the absorption hole 11;

the limiting component 2 comprises a limiting plate, the limiting plate comprises a first limiting strip 21 and a second limiting strip 22 which are oppositely arranged on two sides of the adsorption hole, a constraint space is formed between the first limiting strip 21 and the second limiting strip 22, the chip can be arranged in the constraint space and is inconsistent with the first limiting strip 21 and the second limiting strip 22, and the first limiting strip 21 and the second limiting strip 22 can at least constrain the chip along a first direction.

Understandably, when the chip clamp provided by the embodiment of the present invention is used, the chip can be placed in the constraint space formed by the first spacing strip 21 and the second spacing strip 22 and placed on the adsorption hole 11, the first spacing strip 21 and the second spacing strip 22 can transversely constrain the chip along the first direction, that is, as shown in fig. 2, and then the first air channel 111 can be evacuated to constrain the chip on the adsorption hole 11. When a packaging factory performs full-automatic welding, the whole substrate is operated, the adopted clamp is usually porous and flat and is used for adsorbing and fixing a chip, and the debugging requirement of single welding in a laboratory cannot be met. Use the embodiment of the utility model provides a can set up a plurality of absorption holes 11 and spacing part 2 on anchor clamps body 1 during chip anchor clamps for retrain a plurality of chips, thereby make that the chip can be firm by the absorption on the anchor clamps body, realize encapsulating a plurality of chips simultaneously in once the encapsulation operation.

Specifically, the specification of the constraint component can be set according to the specification of the chip to be processed, as shown in fig. 1 and fig. 2, the specification of the constraint component arranged on the clamp body 1 is different, that is, the distance between two faces of the first limit strip 21 and the second limit strip 22 which are oppositely arranged is different, and the clamp can constrain two or more types of chips and can be set according to actual operation requirements. As shown in the figure, the clamp can be used for restraining chips of three specifications, and the problem that chips of different sizes can not be restrained and fixed on the same clamp in laboratory debugging is solved.

Specifically, the restricting members and the suction holes 11 may be arranged in a circular array or a rectangular array. As shown in the figure, when the chip is placed, the chip can be correspondingly arrayed, so that the programming positioning of the computer end is facilitated, the operation of a single chip can be carried out at one time, the continuous operation of a plurality of chips can also be carried out, and the working efficiency is improved.

Further, the limiting plate still includes third spacing 23, third spacing 23 sets up along the second direction the periphery in absorption hole, just third spacing still with at least one of first spacing 21 and second spacing 22 is connected, is located chip in the confined space still with third spacing 23 contradicts, first direction and second direction cross arrangement. Referring to fig. 2, the second direction may be a longitudinal direction arranged to cross the first direction. The third stopper bar 23 can restrict the movement of the chip in the longitudinal direction.

Specifically, the limiting plate can be arranged in a U shape. The first stopper strip 21, the second stopper strip 22 and the third stopper strip 23 may be integrally provided.

Specifically, the limiting plate may further include two third limiting strips 23, and the two third limiting strips 23 are connected to the first limiting strip 21 and the second limiting strip 22, respectively. The limiting plate is arranged in a frame shape, and the chip can be placed in a constraint space formed by the frame-shaped limiting plate.

Furthermore, the third position-limiting strip 23 and the first position-limiting strip 21 are arranged perpendicular to each other. The chip is generally a regular rectangle, the third limiting strip 23 and the first limiting strip 21 are perpendicular to each other to form a right angle, and one corner of the chip can be accommodated in the right angle, so that the third limiting strip 23 and the first limiting strip 21 can play a better restraining and fixing effect on the chip.

Furthermore, the third position-limiting strip 23 and the second position-limiting strip 22 are arranged perpendicular to each other. Third spacing strip 23 and second spacing strip 22 mutually perpendicular set up and form a right angle, and the one corner of chip can be held in this right angle to make third spacing strip 23 and second spacing strip 22 play better restraint fixed effect to the chip.

Furthermore, the third position-limiting strip 23 is perpendicular to the first position-limiting strip 21, and the third position-limiting strip 23 is perpendicular to the second position-limiting strip 22. At least two right angles are formed in the limiting plate, the two angles of the chip can be placed in cooperation with the two right angles, and the limiting effect of the limiting plate on the chip is improved.

Further, the limiting plate through a connection structure 3 with the anchor clamps body 1 is detachable to be connected, connection structure 3 is including corresponding connecting piece 31 and the connecting groove 32 that sets up, connecting piece 31 sets up on first spacing 21 and/or the spacing 22 of second and/or the spacing 23 of third, connecting groove 32 sets up on anchor clamps body 1. The limiting plate can with anchor clamps body 1 is an organic whole and sets up, the limiting plate also can with anchor clamps body 1 detachable connection. Referring to fig. 4 to 5, the limiting plate is provided with a connecting member 31, the fixture body 1 is provided with a connecting groove 32, and the connecting member 31 can be correspondingly matched and fixed with the connecting groove 32, so that the limiting plate is fixed on the fixture body 1. When the limiting plate needs to be replaced, the limiting plate can be replaced through the operation, such as worn old or needing to be replaced by limiting plates of different specifications, and the device is more practical.

Further, the connecting slot 32 has a first connecting portion 321 and a second connecting portion 322, and the width or radial dimension of the first connecting portion 321 is smaller than that of the second connecting portion 322;

the connecting piece 31 is provided with a first connecting rod 311 and a second connecting rod 312 which are sequentially arranged along the axial direction, and the radial size of the first connecting rod 311 is smaller than that of the second connecting rod 312;

the connecting member 31 is movable between a first position and a second position, when the connecting member 31 is at the first position, the second connecting rod 312 is disposed in the second connecting portion 322, and when the connecting member 31 is at the second position, the first connecting rod 311 is disposed in the first connecting portion 321, and the connecting member 31 is constrained at the second position. As shown in fig. 5, the connecting member 31 is shown in the second station. At this moment, the limiting plate can be fixed with the clamp body 1 so as to restrain the chip. And when the limiting plate needs to be disassembled, the connecting piece 31 is moved rightwards as shown in fig. 5, the first connecting rod 311 is arranged in the second connecting part 322, the limiting plate is moved towards one side away from the clamp body 1, the second connecting rod 312 on the connecting piece 31 can be arranged in the second connecting part 322, and the limiting plate can be taken down at the moment. The replacement and the disassembly and the assembly of the limiting plate are convenient.

Further, a plurality of the first catching grooves 24 are symmetrically disposed on the first and second position-limiting strips 21 and 22 with respect to the adsorption hole 11.

Further, the chip clamp comprises a second engagement groove 25, and the second engagement groove 25 is arranged at a corner formed between the third limiting strip 23 and the first limiting strip 21 and/or the second limiting strip 22. The chip is placed in the restraint space, and when the chip needs to be taken out after the operation is finished, the holding tool can be used for being placed in the first holding groove 24 or the second holding groove 25, so that the chip is held, convenience and rapidness are realized, and unnecessary abrasion of the appearance of the chip is avoided.

Further, the first engaging groove 24 and/or the second engaging groove 25 are circular-like.

Further, the chip holder comprises a second air passage 112 and a plurality of adsorption holes 11, wherein a plurality of first air passages 111 of the adsorption holes 11 are communicated with each other, and the second air passage 112 is communicated with the first air passages 111. Can connect the suction mechanism in arbitrary one first air flue 111, start the suction mechanism and carry out the time of pumping to adsorb through first air flue 111 to the chip on the adsorption hole 11, a plurality of first air flues 111 communicate each other, can adsorb a plurality of chips on the adsorption hole 11 simultaneously.

Further, the fixture body 1 has a first end face and a second end face which are opposite to each other, the adsorption hole 11 is arranged on the first end face, an installation groove 12 is arranged on the second end face, the installation groove 12 is used for being connected with a fixing device in a configuration mode, a vacuum hole is arranged on the installation groove 12, and the vacuum hole is communicated with the second air passage 112. This anchor clamps can be fixed position through mounting groove 12, such as can install through mounting groove 12 anchor clamps body 1 and the most KNS series wire bonder of batch production application in mill and fix, be provided with the vacuum hole with second air flue 112 intercommunication in the mounting groove 12, the accessible vacuum hole is bled to second air flue 112, and second air flue 112 and first air flue 111 intercommunication realize the absorption operation to the chip of placing on the absorption hole 11 promptly.

It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the invention, and the purpose of the present invention is to provide those skilled in the art with the understanding of the content of the present invention and the implementation thereof, and therefore, the protection scope of the present invention should not be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A chip holder, comprising: the clamp comprises a clamp body (1), wherein an adsorption hole (11) and a limiting component (2) are formed in the clamp body (1), and a first air channel (111) is formed in the adsorption hole (11);

spacing part (2) include the limiting plate, the limiting plate is including relative first spacing (21) and the spacing (22) of second that set up in absorption hole both sides, be formed with the restraint space between first spacing (21) and the spacing (22) of second, the chip can set up in the restraint space and with first spacing (21), the spacing (22) of second are inconsistent, first direction restraint chip can be followed at least to first spacing (21) and the spacing (22) of second.

2. The die holder of claim 1, wherein: the limiting plate further comprises a third limiting strip (23), the third limiting strip (23) is arranged on the periphery of the adsorption hole along the second direction, the third limiting strip is further connected with at least one of the first limiting strip (21) and the second limiting strip (22), a chip in the constraint space is further abutted to the third limiting strip (23), and the first direction and the second direction are arranged in a crossed mode.

3. The die holder of claim 2, wherein: the third limiting strip (23) and the first limiting strip (21) and/or the second limiting strip (22) are arranged perpendicular to each other.

4. The die holder of claim 1, wherein: the limiting plate and the clamp body (1) are integrally arranged; or the like, or, alternatively,

the limiting plate through a connection structure (3) with the detachable connection of anchor clamps body (1), connection structure (3) are including mutually supported connecting piece (31) and spread groove (32), connecting piece (31) set up on first spacing (21) and/or spacing (22) of second and/or spacing (23) of third, spread groove (32) set up on anchor clamps body (1), connecting piece (31) can be fixed in spread groove (32).

5. The chip holder of claim 4, wherein: the connecting groove (32) is provided with a first connecting part (321) and a second connecting part (322), and the width or the radial dimension of the first connecting part (321) is smaller than that of the second connecting part (322);

the connecting piece (31) is provided with a first connecting rod (311) and a second connecting rod (312) which are sequentially arranged along the axial direction, and the radial size of the first connecting rod (311) is smaller than that of the second connecting rod (312);

the connecting piece (31) can move between a first station and a second station, when the connecting piece (31) is at the first station, the second connecting rod (312) is arranged in the second connecting part (322), and when the connecting piece (31) is at the second station, the first connecting rod (311) is arranged in the first connecting part (321) and enables the connecting piece (31) to be restrained at the second station.

6. The die holder of claim 5, wherein: the first limiting strip (21) and the second limiting strip (22) are further provided with a plurality of first holding grooves (24), and the first holding grooves (24) are symmetrically arranged on the first limiting strip (21) and the second limiting strip (22) relative to the adsorption hole (11).

7. The die holder of claim 6, wherein: the device is characterized by further comprising a second catching groove (25), wherein the second catching groove (25) is arranged at an included angle formed between the third limiting strip (23) and the first limiting strip (21) and/or the second limiting strip (22).

8. The die holder of claim 7, wherein: the first catching groove (24) and/or the second catching groove (25) are in a circular-like shape.

9. The die holder of claim 1, wherein: the adsorption device comprises a second air passage (112) and a plurality of adsorption holes (11), wherein a plurality of first air passages (111) of the adsorption holes (11) are communicated with each other, and the second air passage (112) is communicated with the first air passages (111).

10. The die holder of claim 9, wherein: the fixture comprises a fixture body (1), wherein the fixture body is provided with a first end face and a second end face which are opposite to each other, an adsorption hole (11) is formed in the first end face, a mounting groove (12) is formed in the second end face, the mounting groove (12) is used for being connected with a fixing device in a configuration mode, a vacuum hole is formed in the mounting groove (12), and the vacuum hole is communicated with a second air channel (112).