CN218887162U

CN218887162U - Chip clamping device

Info

Publication number: CN218887162U
Application number: CN202223090923.XU
Authority: CN
Inventors: 左军
Original assignee: Suzhou Suna Photoelectric Co ltd
Current assignee: Suzhou Suna Photoelectric Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-18
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a chip clamping device, which comprises a first clamping piece, a second clamping piece and a lifting mechanism, wherein the first clamping piece and the second clamping piece are at least used for constraining a chip along a first direction, and the lifting mechanism can at least bear the chip along a second direction; the lifting mechanism comprises a base frame, an expansion frame and an elastic element, wherein a movable allowance groove is formed in the base frame, at least part of the expansion frame is movably arranged in the movable allowance groove, the elastic element is arranged between the expansion frame and the movable allowance groove, and the elastic element is at least used for driving the expansion frame to move along the second direction. Use the embodiment of the utility model provides a chip clamping device not only can retrain the chip on horizontal direction (first direction), can also support in vertical direction (second direction) and lift the chip to avoid the chip to take place to overturn in the centre gripping or in the test.

Description

Chip clamping device

Technical Field

The utility model relates to a clamping device, in particular to chip clamping device belongs to semiconductor manufacturing technical field.

Background

Integrated circuits in which circuits are fabricated on the surface of a semiconductor chip are also called thin film integrated circuits. Another type of thick film integrated circuit is a miniaturized circuit formed by a discrete semiconductor device and passive components integrated into a substrate or wiring board. The chip is a wafer which is manufactured in advance, has specific functions and can be combined and integrated, and can arrange a plurality of small chips together, thereby not only improving the yield of large chips, but also reducing the design and manufacturing cost.

Whether the chip or the core particle is produced and processed, the reliability test is required to be carried out, wherein the reliability test comprises a mechanical test, a lead wire solderability test, a temperature test and the like, a clamp or other tools are generally required to be used for restraining when the test is carried out, and the chip or the core particle is not easy to restrain due to the small specification of the chip or the core particle. When the two plate surfaces are clamped for constraint, the chip is easy to turn over.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a chip clamping device for solving the problem of the chip not being easily constrained.

In order to realize the purpose of the utility model, the utility model adopts the technical scheme that includes:

the embodiment of the utility model provides a chip clamping device, including first clamping piece, second clamping piece and a lifting mechanism, the lifting mechanism sets up between first clamping piece and second clamping piece, be formed with a centre gripping space between first clamping piece and the second clamping piece, the chip can be placed in the centre gripping space, the lifting mechanism can accept the chip along the second direction at least; wherein the content of the first and second substances,

the lifting mechanism comprises a basic frame, an expansion frame and an elastic element, wherein a movable allowance groove is formed in the basic frame, at least part of the expansion frame is movably arranged in the movable allowance groove, the elastic element is arranged between the expansion frame and the movable allowance groove, and the elastic element is at least used for driving the expansion frame to move along the second direction.

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

1) Use the embodiment of the utility model provides a chip clamping device not only can retrain the chip on horizontal direction (first direction), can also support in vertical direction (second direction) and lift the chip, thereby avoids the chip takes place to overturn in the centre gripping or in the test.

2) Use the embodiment of the utility model provides a when a chip clamping device centre gripping chip, because the thickness of chip is different, can be through the adjustment the flexible height of expansion bracket lifts the chip to suitable height, retrains the centre gripping again, flexible operation.

3) Use the embodiment of the utility model provides a when a chip clamping device centre gripping chip, can pass through the flexible adjustment of slide adjusting structure the lift height of expansion bracket, and can with the high locking of lift of expansion bracket is in order to test.

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 holding apparatus according to an exemplary embodiment of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

description of reference numerals:

1. a first clamping piece; 2. a second clamping piece; 3. a lifting mechanism; 31. a base frame; 311. a sliding chamber; 312. a limiting chamber; 32. a telescopic frame; 33. an elastic element; 4. a connecting cable; 5. a sliding adjustment structure; 51. an adjusting plate; 52. a locking key; 6. a base; 61. a placing groove; 7. a fixed seat; 8. a connecting rod.

Detailed Description

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

In some specific embodiments, the movable allowance slot is disposed in the base frame, and the expansion frame and the elastic element are sequentially disposed in the movable allowance slot along a direction opposite to the second direction.

In some specific embodiments, the chip clamping device further includes a connecting cable and a sliding adjustment structure, the sliding adjustment structure is movably disposed on a side of the base frame away from the expansion frame, the sliding adjustment structure is connected to the expansion frame via the connecting cable, and the sliding adjustment structure can be driven by an external force to move in a direction opposite to the second direction via the traction of the connecting cable.

In some specific embodiments, the movable allowance groove comprises a sliding chamber and a limiting chamber, the expansion bracket is movably arranged in the sliding chamber, the connecting cable is movably arranged in the limiting chamber, and the radial dimension of the limiting chamber is smaller than that of the sliding chamber.

In some specific embodiments, the chip clamping device further includes a base, a fixing seat and a connecting rod, the fixing seat and the first clamping piece are fixedly disposed on the base, the second clamping piece is movably disposed on the base, the connecting rod is telescopically and fixedly disposed on the fixing seat, at least a portion of the connecting rod is connected with the second clamping piece, and when the connecting rod moves on the fixing seat, a distance between the first clamping piece and the second clamping piece is changed.

In some more specific embodiments, at least a part of the connecting rod is provided with an external thread, the connecting rod passes through the external thread and the fixed seat threaded connection, and the connecting rod is rotatably connected with the second clamping piece.

In some specific embodiments, a placement groove is further formed in the base, the sliding adjusting structure comprises an adjusting plate and a locking key, the adjusting plate is slidably disposed in the placement groove, and at least a portion of the adjusting plate is connected with the connecting cable;

at least part of the locking key is movably connected with the adjusting plate, the locking key can be located at a first station and a second station, when the locking key is located at the first station, the adjusting plate is restrained in the containing groove, and when the locking key is located at the second station, the adjusting plate can slide in the containing groove.

In some specific embodiments, the chip clamping device includes two locking keys, the two locking keys are sequentially disposed along the sliding direction of the adjusting plate, and the two locking keys are respectively disposed on two sides of the base frame.

In some specific embodiments, the locking key has at least one abutting surface, and when the locking key is in the first station, the abutting surface is in abutting contact with the placement groove and at least can fix the locking key and the placement groove relatively.

In some specific embodiments, an elastic gasket is further disposed in the placement groove, the elastic gasket is disposed on a moving path of the locking key, and when the locking key is at the first station, at least a portion of the abutting surface abuts against the elastic gasket and restricts movement of the locking key.

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 connecting rod, the elastic element and the like used in the embodiments of the present invention are all known components and parts to those skilled in the art, which are commercially available, and the specific structure and model thereof are not limited herein.

Examples

Referring to fig. 1-2, a chip clamping apparatus includes a first clamping plate 1, a second clamping plate 2, and a lifting mechanism 3, wherein the lifting mechanism 3 is disposed between the first clamping plate 1 and the second clamping plate 2, a clamping space is formed between the first clamping plate 1 and the second clamping plate 2, the chip can be placed in the clamping space, and the lifting mechanism 3 can at least receive the chip along a second direction; wherein the content of the first and second substances,

lifting mechanism 3 includes a basic frame 31, expansion bracket 32 and an elastic element 33, be provided with a activity allowance groove on the basic frame 31, at least partial activity of expansion bracket 32 sets up in the activity allowance groove, elastic element 33 sets up expansion bracket 32 with between the activity allowance groove, elastic element 33 is used for at least driving about expansion bracket 32 removes along the second direction.

It can be understood that the chip can be placed in the clamping space, and the chip can be constrained and fixed along a first direction by using the first clamping sheet 1 and the second clamping sheet 2, wherein the first direction refers to a horizontal direction with reference to fig. 1. That is, the chip can be restrained in the horizontal direction using the first and

second clamping pieces

1 and 2. Furthermore, the embodiment of the present invention further includes a lifting mechanism 3, the telescopic frame 32 is movably disposed in the movable allowance slot, the elastic element 33 is at least used for driving the telescopic frame 32 to move along the second direction, the second direction is a vertical direction, and the elastic element 33 is used for driving the telescopic frame 32 to move along the direction deviating from the base frame 31. During the use, can with the chip is placed on expansion bracket 32 top, through the adjustment the height of expansion bracket 32 is adjusted the chip to suitable height, and then uses first holding piece 1 and second holding piece 2 centre gripping restraint chip.

Use the embodiment of the utility model provides a chip clamping device not only can retrain the chip on horizontal direction (first direction), can also support in vertical direction (second direction) and lift the chip, thereby avoids the chip takes place to overturn in the centre gripping or in the test to guarantee that the chip is in a stable restraint, clamping state.

Further because the thickness of chip is different, is using the embodiment of the utility model provides a when a chip clamping device centre gripping chip, can also be through the adjustment the flexible height of expansion bracket 32 lifts the chip to suitable height, retrains the centre gripping again, flexible operation.

Further, the movable allowance slot is disposed in the base frame 31, and the telescopic frame 32 and the elastic element 33 are sequentially disposed in the movable allowance slot along a direction opposite to the second direction. Referring to fig. 2, the movable and the grain and grass are arranged in the base frame 31, the telescopic frame 32 is movably arranged in the movable allowance groove, and the telescopic frame 32 can move along the second direction under the driving of the elastic element 33, so as to support the chip. The telescopic frame 32 can be slidably arranged in the movable allowance groove, so that the moving track of the telescopic frame 32 can be limited, and the telescopic frame can always move along the vertical direction.

Further, the chip clamping device further comprises a connecting cable 4 and a sliding adjusting structure 5, wherein the sliding adjusting structure 5 is movably arranged on one side of the base frame 31, which is away from the telescopic frame 32, the sliding adjusting structure 5 is connected with the telescopic frame 32 through the connecting cable 4, and the sliding adjusting structure 5 can be driven by an external force to drive the telescopic frame 32 to move along the direction opposite to the second direction through the traction of the connecting cable 4. It can be understood that the expansion bracket 32 can be moved in the opposite direction of the second direction by pulling the connecting cable 4, for example, if the expansion bracket 32 is adjusted too low, the force for pulling the connecting cable 4 can be reduced appropriately, and the expansion bracket 32 can be moved in the second direction under the driving of the elastic element 33, so that the adjustment of the movement of the expansion bracket 32 can be realized, and the operation is convenient.

Further, the movable allowance slot comprises a sliding chamber 311 and a limiting chamber 312, the telescopic frame 32 is movably arranged in the sliding chamber 311, the connecting cable 4 is movably arranged in the limiting chamber 312, and the radial dimension of the limiting chamber 312 is smaller than that of the sliding chamber 311. It can be understood that the telescopic frame 32 can be limited to move in the sliding chamber 311, the connecting cable 4 can be connected with the telescopic frame 32 at one end as shown in fig. 2, and the other end is led out through the limiting chamber 312 and the sliding chamber 311, the connecting cable 4 can be operated outside the base frame 31, so that the area of the operating connecting cable 4 is separated from the area for lifting and lowering the receiving chip, thereby facilitating the operation and observation.

Further, a chip clamping device still include base 6, fixing base 7 and a connecting rod 8, fixing base 7 and first clamping piece 1 are fixed to be set up on base 6, the activity of second clamping piece 2 sets up on base 6, connecting rod 8 is scalable fixedly set up on the fixing base 7, just at least part of connecting rod 8 with second clamping piece 2 is connected, works as when connecting rod 8 moves on fixing base 7, the distance between first clamping piece 1 and the second clamping piece 2 changes. Understandably, the fixing seat 7 and the first clamping piece 1 can be arranged on the base 6, and the base 6 can increase the contact area with a placing table or a platform, so as to ensure that the device can be in a stable state when in use. When the connecting rod 8 moves in the first direction, the second clamping piece 2 can move together, so that the distance between the first clamping piece 1 and the second clamping piece 2 can be changed.

Further, at least part of connecting rod 8 is provided with the external screw thread, connecting rod 8 warp the external screw thread with fixing base 7 threaded connection, connecting rod 8 with second centre gripping piece 2 rotates and is connected. Understandably, when the connecting rod 8 is rotated, the connecting rod 8 can be screwed in or out along the first direction on the fixing seat 7, and along with the movement of the connecting rod 8 along the first direction, the distance between the second clamping piece 2 and the first clamping piece 1 can be increased or decreased to clamp chips with different specifications, so that the operation is facilitated.

Further, a setting groove 61 is further arranged on the base 6, the sliding adjusting structure 5 comprises an adjusting plate 51 and a locking key 52, the adjusting plate 51 is slidably arranged in the setting groove 61, and at least part of the adjusting plate 51 is connected with the connecting cable 4;

at least part of the locking key 52 is movably connected with the adjusting plate 51, and the locking key 52 can be located at a first station and a second station, when the locking key 52 is located at the first station, the adjusting plate 51 is restrained in the seating groove 61, and when the locking key 52 is located at the second station, the adjusting plate 51 can slide in the seating groove 61. When the locking key 52 is in the first working position, the locking key 52 and the installation groove 61 or the base 6 can be fixed relatively, so that the movement of the adjusting plate 51 is limited, that is, the adjusting plate 51 can be restrained in the installation groove 61. When the locking key 52 is at the second working position, the locking key 52 is out of the relative fixation with the seating groove 61 or the base 6, so that the adjusting plate 51 can slide in the seating groove 61. The locking key 52 is provided to fix the adjusting plate 51 and thus the connecting cable 4.

Further, the chip clamping device includes two locking keys 52, the two locking keys 52 are sequentially arranged along the sliding direction of the adjusting plate 51, and the two locking keys 52 are respectively arranged at two sides of the base frame 31. It can be understood that the adjusting plate 51 can be restrained in the seating groove 61 by two locking keys 52, making it more stable when fixed.

Further, the locking key 52 has at least one abutting surface 521, when the locking key 52 is in the first station, the abutting surface 521 is in abutting contact with the installation groove 61, and at least the locking key 52 and the installation groove 61 can be relatively fixed. The locking key 52 may be a rectangle, two sides of the short side of the rectangle opposite to the placement groove 61 are abutting surfaces 521, and the locking key 52 is rotated to make the abutting surfaces 521 contact with the placement groove 61, even if the locking key 52 is fixed to the placement groove 61 in a clamping manner, the locking key 52 is fixed, and the adjusting plate 51 is further fixed to the placement groove 61.

Further, an elastic gasket is further disposed in the disposing groove 61, the elastic gasket is disposed on a moving path of the locking key 52, and when the locking key 52 is at the first position, at least a portion of the abutting surface 521 abuts against the elastic gasket and restricts the movement of the locking key 52. When the locking key 52 rotates to the first station, the abutting surface 521 can be in abutting contact with the elastic gasket, so that the contact area between the abutting surface 521 and the elastic gasket is increased, and the stability of the locking key in fixing is further enhanced.

The embodiment of the utility model provides a chip clamping device has following advantage:

1) Use the embodiment of the utility model provides a chip clamping device not only can retrain the chip in the horizontal direction, can also support in vertical direction and lift the chip, thereby avoids the chip takes place to overturn in the centre gripping or in the test

It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, 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 in the protection scope of the present invention.

Claims

1. A chip clamping device is characterized in that: the chip clamping device comprises a first clamping piece (1), a second clamping piece (2) and a lifting mechanism (3), wherein the lifting mechanism (3) is arranged between the first clamping piece (1) and the second clamping piece (2), a clamping space is formed between the first clamping piece (1) and the second clamping piece (2), a chip can be placed in the clamping space, and the lifting mechanism (3) can at least bear the chip along a second direction; wherein the content of the first and second substances,

lifting mechanism (3) includes a basic frame (31), expansion bracket (32) and an elastic element (33), be provided with a activity allowance groove on basic frame (31), at least partial activity of expansion bracket (32) sets up in the activity allowance groove, elastic element (33) set up expansion bracket (32) with between the activity allowance groove, elastic element (33) are used for at least driving about expansion bracket (32) remove along the second direction.

2. The die holder according to claim 1, wherein: the movable allowance groove is formed in the base frame (31), and the expansion frame (32) and the elastic element (33) are sequentially arranged in the movable allowance groove along the direction opposite to the second direction.

3. The die holder according to claim 2, wherein: still including connecting cable (4), slide adjusting structure (5) activity sets up basic frame (31) deviates from one side of expansion bracket (32), slide adjusting structure (5) warp connecting cable (4) with expansion bracket (32) are connected, just slide adjusting structure (5) can be under an external force and order about the warp the traction of connecting cable (4) orders about expansion bracket (32) are along the opposite direction removal of second direction.

4. A chip holding apparatus according to claim 3, wherein: the movable allowance groove comprises a sliding chamber (311) and a limiting chamber (312), the expansion bracket (32) is movably arranged in the sliding chamber (311), the connecting cable (4) is movably arranged in the limiting chamber (312), and the radial size of the limiting chamber (312) is smaller than that of the sliding chamber (311).

5. A chip holding apparatus according to claim 3, wherein: still include base (6), fixing base (7) and connecting rod (8), fixing base (7) and first centre gripping piece (1) are fixed to be set up on base (6), second centre gripping piece (2) activity sets up on base (6), connecting rod (8) are scalable to be set up fixedly on fixing base (7), just at least part of connecting rod (8) with second centre gripping piece (2) are connected, work as when connecting rod (8) move on fixing base (7), the distance between first centre gripping piece (1) and second centre gripping piece (2) changes.

6. The chip holding apparatus according to claim 5, wherein: at least part of connecting rod (8) is provided with the external screw thread, connecting rod (8) warp the external screw thread with fixing base (7) threaded connection, connecting rod (8) with second centre gripping piece (2) rotate and are connected.

7. The die holder according to claim 6, wherein: the base (6) is further provided with a placement groove (61), the sliding adjusting structure (5) comprises an adjusting plate (51) and a locking key (52), the adjusting plate (51) is arranged in the placement groove (61) in a sliding mode, and at least part of the adjusting plate (51) is connected with the connecting rope (4);

at least part of the locking key (52) is movably connected with the adjusting plate (51), the locking key (52) can be located at a first station and a second station, when the locking key (52) is located at the first station, the adjusting plate (51) is restrained in the arranging groove (61), and when the locking key (52) is located at the second station, the adjusting plate (51) can slide in the arranging groove (61).

8. The chip holding apparatus according to claim 7, wherein: the novel adjustable lock comprises two locking keys (52), wherein the two locking keys (52) are sequentially arranged along the sliding direction of an adjusting plate (51), and the two locking keys (52) are respectively arranged on two sides of a basic frame (31).

9. The chip holding apparatus of claim 8, wherein: the locking key (52) at least comprises an abutting surface, when the locking key (52) is in a first station, the abutting surface is in abutting contact with the placement groove (61), and at least the locking key (52) and the placement groove (61) can be relatively fixed.

10. The chip holding apparatus of claim 9, wherein: and an elastic gasket is further arranged in the placing groove (61), the elastic gasket is arranged on the moving path of the locking key (52), and when the locking key (52) is positioned at a first station, at least part of the abutting surface abuts against the elastic gasket and limits the movement of the locking key (52).