CN214378385U

CN214378385U - Chip packaging is with supplementary fixing device

Info

Publication number: CN214378385U
Application number: CN202120490562.4U
Authority: CN
Inventors: 罗云红; 黄晓波
Original assignee: Luzhou Loongson Micro Technology Co ltd
Current assignee: Luzhou Loongson Micro Technology Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-10-08
Anticipated expiration: 2031-03-08

Abstract

The utility model belongs to the technical field of semiconductor production equipment is relevant, concretely relates to chip packaging is with supplementary fixing device, including fixed block, workstation, fixed block fixed connection is at the upper surface of workstation, the draft chamber has been seted up to the inside of fixed block, draft chamber top fixedly connected with cylinder, sliding connection has the lifter in the cylinder, the fixed clamp plate that is provided with of lifter lower extreme, the fixed fan that is provided with in the fixed block left and right sides inner wall. Through starting the fan in the fixed block left and right sides inner wall, cool off fixedly to the finished product after the glue encapsulation, the ventilation of the air of the acceleration plenum that the vent that the cooperation fixed block left and right sides was seted up simultaneously can be better to cool off glue fast and let the more firm bonding of chip on the device that corresponds, start motor at last lets the finished product after the encapsulation remove on the next assembly line through the conveyer belt.

Description

Chip packaging is with supplementary fixing device

Technical Field

The utility model belongs to the technical field of semiconductor production equipment is relevant, concretely relates to chip packaging is with supplementary fixing device.

Background

Since the advent of 4-bit microprocessor chips, the scale of semiconductor fabrication technology has reached ULSI by SSI, MSI, LSI, and VLSI (very large scale integration). The number of input/output (I/O) pins of a package increases from tens of pins to hundreds of pins, and may even reach 2000. All can use supplementary fixing device when the chip encapsulation, but the supplementary packaging device on the market fixes the chip insecure at present, and damages the chip easily, reduces the yield of chip encapsulation, and general supplementary fixing device is having gone on the encapsulation back simultaneously, and glue is difficult dry, leads to the skew to appear easily in the position when the removal of the chip after the encapsulation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auxiliary fixture is used in chip package to solve the fixed chip insecure of the auxiliary package device on the present market, and damaged the chip easily, reduce the yield of chip package, generally auxiliary fixture has gone on the encapsulation back simultaneously, and glue is difficult dry, leads to the problem that the skew appears easily in the chip position after the encapsulation when the removal.

The utility model discloses a specific technical scheme as follows:

an auxiliary fixing device for chip packaging comprises a fixing block and a workbench, wherein the fixing block is fixedly connected to the upper surface of the workbench, a ventilation chamber is formed inside the fixing block, the top of the ventilation chamber is fixedly connected with an air cylinder, a lifting rod is connected in the air cylinder in a sliding manner, a pressing plate is fixedly arranged at the lower end of the lifting rod, fans are fixedly arranged in the inner walls of the left side and the right side of the fixing block, and a first stop block is arranged at the bottom of the ventilation chamber;

the fixed second dog that is provided with of inside intermediate position of workstation, the vacuole chamber has been seted up respectively to the left and right sides of second dog, sliding connection has the slider in the vacuole chamber, the fixed fastening block that is provided with on the slider, the spout that supplies the fastening block to pass is seted up at the position that corresponds the vacuole chamber to the upper surface of workstation, the lower extreme and the slider of fastening block are connected, and the upper end of fastening block is located the outside of workstation, the left and right sides of workstation is provided with the thread groove respectively, the thread groove communicates with each other with the vacuole chamber.

As the utility model discloses a chip packaging is with supplementary fixed device preferred technical scheme, first dog top both sides are rotated through the pivot and are connected with the dwang, the one end fixedly connected with motor of dwang, two the cover is equipped with the conveyer belt between the dwang.

As the utility model discloses a chip packaging is with supplementary preferably technical scheme of fixing device, the inside fixed plate that is provided with of conveyer belt, the fixed second bracing piece that is provided with in both sides of fixed plate.

As the utility model discloses a chip package is with supplementary fixed preferred technical scheme of device, be provided with the ejector pad in the thread groove, the ejector pad surface is provided with the external screw thread with thread groove looks adaptation, the ejector pad is connected for closing soon with the thread groove, and the outer end of ejector pad is connected with one side of first bracing piece, the fixed horizontal pole that is provided with of opposite side of first bracing piece.

As the utility model discloses a chip packaging is with preferred technical scheme of supplementary fixing device, a plurality of vent has been seted up in the left and right sides wall of workstation.

As the utility model discloses a chip package is with supplementary preferred technical scheme of fixing device, the cavity indoor is provided with the spring, spring one side and slider fixed connection, opposite side and second stopper fixed connection. The utility model has the advantages that:

1. fixed second dog that is provided with of inside intermediate position through the workstation, the cavity has been seted up respectively to the left and right sides of second dog, sliding connection has the slider in the cavity, the fixed fastening block that is provided with on the slider, lead to the fastening block and can block chip and packaging material, the left and right sides of workstation is provided with the thread groove respectively, the ejector pad is for closing soon with the thread groove and being connected, adjust the position of ejector pad in the thread groove through rotating the horizontal pole, thereby adjust the position of slider, and then can adjust the chucking degree of fastening block to chip and packaging material, the tight chip of clamp that like this can be better with to the chip rubberizing, prevent that the chip from being harmd, the yield of encapsulation has been improved.

2. Through starting the fan in the fixed block left and right sides inner wall, cool off fixedly to the finished product after the glue encapsulation, the ventilation of the air of the acceleration plenum that the vent that the cooperation fixed block left and right sides was seted up simultaneously can be better to cool off glue fast and let the more firm bonding of chip on the device that corresponds, start motor at last lets the finished product after the encapsulation remove on the next assembly line through the conveyer belt.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the auxiliary fixing device for chip packaging of the present invention;

fig. 2 is a front view of the auxiliary fixing device for chip packaging of the present invention;

fig. 3 is a schematic structural view of the left side of the first stop of the present invention;

fig. 4 is an enlarged schematic view of the inside of the workbench according to the present invention.

In the figure: 1. a fixed block; 2. a work table; 3. a thread groove; 4. a fastening block; 5. a push block; 6. a cross bar; 61. a first support bar; 7. a slider; 8. a cylinder; 9. a lifting rod; 10. pressing a plate; 11. a first stopper; 12. a ventilation chamber; 13. a fan; 14. a fixing plate; 15. a second support bar; 16. a conveyor belt; 17. rotating the rod; 18. a motor; 19. a second stopper; 20. a spring; 21. a hollow chamber; 22. and a vent.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, an auxiliary fixing device for chip packaging comprises a fixing block 1 and a workbench 2, wherein the fixing block 1 is fixedly connected to the upper surface of the workbench 2, a ventilation chamber 12 is formed inside the fixing block 1, the top of the ventilation chamber 12 is fixedly connected with an air cylinder 8, a lifting rod 9 is slidably connected in the air cylinder 8, a pressing plate 10 is fixedly arranged at the lower end of the lifting rod 9, fans 13 are fixedly arranged in the inner walls of the left side and the right side of the fixing block 1, and a first stop block 11 is arranged at the bottom of the ventilation chamber 12; fixed second stopper 19 that is provided with of inside intermediate position of workstation 2, cavity 21 has been seted up respectively to the left and right sides of second stopper 19, sliding connection has slider 7 in cavity 21, the fixed fastening block 4 that is provided with on slider 7, the spout that supplies fastening block 4 to pass is seted up at the position that corresponds cavity 21 to the upper surface of workstation 2, the lower extreme and the slider 7 of fastening block 4 are connected, and the upper end of fastening block 4 is located the outside of workstation 2, the left and right sides of workstation 2 is provided with thread groove 3 respectively, thread groove 3 communicates with each other with cavity 21.

Specifically, 11 top both sides of first dog are rotated through the pivot and are connected with dwang 17, the one end fixedly connected with motor 18 of dwang 17, two the cover is equipped with conveyer belt 16 between the dwang 17, will encapsulate fixed material through conveyer belt 16 and deliver to next assembly line.

Specifically, the inside fixed plate 14 that is provided with of conveyer belt 16, the fixed second bracing piece 15 that is provided with in both sides of fixed plate 14 supports fixed plate 14 through second bracing piece 15, and the pivot that the activity of both sides of fixed plate 14 set up drives dwang 17.

The utility model discloses a fixed slider 7 of screw thread groove 3, including screw thread groove 3, ejector pad 5 and screw thread groove 3, be provided with ejector pad 5 in the screw thread groove 3, the outer end of ejector pad 5 is connected with one side of first bracing piece 61 for closing soon, the fixed horizontal pole 6 that is provided with of opposite side of first bracing piece 61, promotes ejector pad 5 through rotating horizontal pole 6 and removes slider 7.

Specifically, a plurality of ventilation openings 22 are formed in the left side wall and the right side wall of the workbench 2, so that the fan 13 can be started conveniently to achieve a better ventilation effect.

Specifically, a spring 20 is arranged in the cavity chamber 21, one side of the spring 20 is fixedly connected with the sliding block 7, the other side of the spring 20 is fixedly connected with the second stopper 19, and the sliding block 7 is clamped by the spring 20, so that the fastening block 4 can better clamp the packaging material.

The working principle is as follows:

fixed second stopper 19 that is provided with through the inside intermediate position of workstation 2, cavity 21 has been seted up respectively to the left and right sides of second stopper 19, sliding connection has slider 7 in cavity 21, the fixed fastening block 4 that is provided with on the slider 7, lead to fastening block 4 and block chip and packaging material, the left and right sides of workstation 2 is provided with thread groove 3 respectively, ejector pad 5 is connected for closing soon with thread groove 3, adjust the position of ejector pad 5 in thread groove 3 through rotating horizontal pole 6, thereby adjust slider 7's position, and then can adjust the chucking degree of fastening block 4 to chip and packaging material, the tight chip of clamp that like this can be better with to the chip rubberizing, prevent that the chip from being harmd, the yield of encapsulation has been improved. Put into the conveyer belt 16 after the chip passes through the glue encapsulation on, motor 18 at this moment is not started, make lifter 9 drive clamp plate 10 descend through cylinder 8, it is fixed to carry out the pressfitting to the finished product of encapsulation, fan 13 in through starting 1 left and right sides inner wall of fixed block, it is fixed to cool off the finished product after the glue encapsulation, the circulation of the air of acceleration plenum 12 that vent 22 that the while cooperation fixed block 1 left and right sides was seted up can be better, thereby quick cooling glue lets the more firm bonding of chip on the device that corresponds, last starter motor 18, let the finished product after the encapsulation remove to next assembly line through conveyer belt 16.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a chip packaging is with supplementary fixing device, includes fixed block (1), workstation (2), its characterized in that: the air conditioner is characterized in that the fixed block (1) is fixedly connected to the upper surface of the workbench (2), a ventilation chamber (12) is formed in the fixed block (1), the top of the ventilation chamber (12) is fixedly connected with an air cylinder (8), a lifting rod (9) is slidably connected in the air cylinder (8), a pressing plate (10) is fixedly arranged at the lower end of the lifting rod (9), fans (13) are fixedly arranged in the inner walls of the left side and the right side of the fixed block (1), and a first stop block (11) is arranged at the bottom of the ventilation chamber (12);

the fixed second dog (19) that is provided with in inside intermediate position of workstation (2), cavity room (21) have been seted up respectively to the left and right sides of second dog (19), sliding connection has slider (7) in cavity room (21), fixed fastening block (4) of being provided with on slider (7), the spout that supplies fastening block (4) to pass is seted up at the position that corresponds cavity room (21) to the upper surface of workstation (2), the lower extreme and the slider (7) of fastening block (4) are connected, and the upper end of fastening block (4) is located the outside of workstation (2), the left and right sides of workstation (2) is provided with thread groove (3) respectively, thread groove (3) communicate with each other with cavity room (21).

2. The auxiliary fixing device for chip packaging as claimed in claim 1, wherein: first dog (11) top both sides are rotated through the pivot and are connected with dwang (17), the one end fixedly connected with motor (18) of dwang (17), two the cover is equipped with conveyer belt (16) between dwang (17).

3. The auxiliary fixing device for chip packaging as claimed in claim 2, wherein: the conveying belt (16) is internally provided with a fixed plate (14), and two sides of the fixed plate (14) are fixedly provided with second supporting rods (15).

4. The auxiliary fixing device for chip packaging as claimed in claim 1, wherein: be provided with ejector pad (5) in thread groove (3), ejector pad (5) surface is provided with the external screw thread with thread groove (3) looks adaptation, ejector pad (5) and thread groove (3) are for closing soon being connected, and the outer end of ejector pad (5) is connected with one side of first bracing piece (61), the fixed horizontal pole (6) that is provided with of opposite side of first bracing piece (61).

5. The auxiliary fixing device for chip packaging as claimed in claim 1, wherein: a plurality of ventilation openings (22) are formed in the left side wall and the right side wall of the workbench (2).

6. The auxiliary fixing device for chip packaging as claimed in claim 4, wherein: a spring (20) is arranged in the cavity chamber (21), one side of the spring (20) is fixedly connected with the sliding block (7), and the other side of the spring (20) is fixedly connected with the second stop block (19).