CN218783006U

CN218783006U - Loading attachment of encapsulation equipment

Info

Publication number: CN218783006U
Application number: CN202223259897.9U
Authority: CN
Inventors: 施锦源; 张大强; 黄鹏
Original assignee: Shenzhen Xinzhantong Electronics Co ltd
Current assignee: Shenzhen Xinzhantong Electronics Co ltd
Priority date: 2022-12-03
Filing date: 2022-12-03
Publication date: 2023-03-31
Anticipated expiration: 2032-12-03

Abstract

The application relates to a loading attachment of encapsulation equipment relates to semiconductor packaging technology field. Including the objective table that is used for placing the lead frame and the adsorption mechanism who is used for adsorbing the lead frame, the objective table with adsorption mechanism mutually supports. The lead frame is placed on the objective table, and adsorption apparatus can adsorb the lead frame on the objective table, transports one process next, has alleviated lead frame clamp and has got inconvenient problem.

Description

Loading attachment of encapsulation equipment

Technical Field

The utility model belongs to the technical field of the semiconductor package technique and specifically relates to a loading attachment of encapsulation equipment is related to.

Background

The lead frame is used as a chip carrier of an integrated circuit, is a key structural member for realizing the electrical connection between a leading-out end of an internal circuit of a chip and an external lead by means of a bonding gold wire to form an electrical loop, plays a role of a bridge Liang Zuoyong connected with an external wire, needs to use the lead frame in most semiconductor integrated blocks, and is an important basic material in the electronic information industry.

In industrial production flow in-process, need snatch the lead frame, current cylinder clamp is got the mode and is maintained and adjust consuming time inconvenient, if the lead frame has placed the deviation, probably leads to can't getting the lead frame clamp, if frequently press from both sides the failure and probably lead frame deformation, and if the lead frame is too thin and the lead frame stack is placed and probably makes the chuck once only press from both sides a plurality of lead frames easily.

To the correlation technique among the above-mentioned, there is the inconvenient problem of lead frame clamp.

SUMMERY OF THE UTILITY MODEL

In order to alleviate the inconvenient problem of lead frame clamp, this application provides a loading attachment of encapsulation equipment.

The application provides a loading attachment of encapsulation equipment adopts following technical scheme: the utility model provides a loading attachment of encapsulation equipment, is including the objective table that is used for placing the lead frame and the adsorption apparatus who is used for adsorbing the lead frame construct, the objective table with adsorption apparatus constructs mutually supporting.

Through adopting above-mentioned technical scheme, the lead frame is placed on the objective table, and adsorption device can adsorb the lead frame on the objective table, transports next process, has alleviated the lead frame and has got inconvenient problem.

Optionally, the object stage includes an object carrying plate and a fixed base, the object carrying plate is used for carrying the lead frame, the fixed base is provided with a driving assembly, and the driving assembly is used for driving the object carrying plate to move close to or away from the adsorption mechanism.

Through adopting above-mentioned technical scheme, the lead frame is placed on carrying the thing board after, starts loading attachment, carries the thing board and can move to the direction that is close to adsorption equipment under drive assembly's effect for adsorption equipment can adsorb the lead frame on the objective table, realizes loading attachment's normal work.

Optionally, the adsorption mechanism includes fixed station, loading board and adsorbs the piece, the loading board sets up the fixed station, it sets up to adsorb the piece the loading board, adsorb the piece orientation the objective table direction sets up.

Through adopting above-mentioned technical scheme, the lead frame is placed the back on the objective table, starts loading attachment, carries the thing board and can move to the direction that is close to adsorption apparatus under drive assembly's effect, finally makes lead frame and adsorbs the piece and cooperate, adsorbs the piece and adsorbs the lead frame.

Optionally, the adsorption part comprises an adsorption nozzle, an adsorption rod and a negative pressure pipeline, a ventilation cavity for gas circulation is arranged in the adsorption rod, one end of the adsorption rod is communicated with the adsorption nozzle, and the other end of the adsorption rod is communicated with the negative pressure pipeline.

Through adopting above-mentioned technical scheme, move to the direction that is close to adsorption apparatus when carrying the thing board and finally make the lead frame with adsorb a cooperation back, adsorb the absorption mouth of piece and can laminate with the lead frame, later the negative pressure pipeline is connected with external air extractor and is bled, and the intracavity of ventilating produces the negative pressure, and the absorption mouth can adsorb the lead frame fixedly.

Optionally, the suction mechanism further includes a conveying assembly for conveying the lead frame to the next process, and the conveying assembly is installed between the loading plate and the suction member.

Through adopting above-mentioned technical scheme, the lead frame is placed the back on the objective table, starts loading attachment, and the objective table can be to the direction motion that is close to adsorption apparatus structure under drive assembly's effect, finally makes lead frame and adsorption element cooperate, and later the objective table moves towards the direction of keeping away from adsorption apparatus structure, and the conveying subassembly shifts to next process with the loading board that adsorbs the lead frame.

Optionally, a height sensor for sensing the distance between the object stage and the fixed stage is arranged on one side of the bearing plate facing the object stage.

Through adopting above-mentioned technical scheme, the loading board sets up high inductor towards one side of objective table, place on the objective table when the lead frame, start loading attachment, the objective table can be under drive assembly's effect when the direction motion near adsorption apparatus structure, high inductor can highly respond to between objective table and the loading board, when lead frame distance adsorption apparatus certain distance on the objective table, high inductor can control drive assembly stop motion, avoid the objective table to last towards the direction motion near adsorption apparatus structure, make objective table and adsorption apparatus structure take place the extrusion, cause the damage to loading attachment.

Optionally, the object stage is provided with a limiting part for limiting the lead frame.

Through adopting above-mentioned technical scheme, because the lead frame will be adsorbed by the absorption piece of adsorption apparatus structure, the locating part carries on spacingly to the lead frame, works as the lead frame towards the in-process that is close to the direction motion of adsorption apparatus structure, can prevent effectively that the lead frame from rocking on the objective table and making the lead frame take place the skew or drop and make the absorption piece can't adsorb the lead frame to influence loading attachment's normal work.

Optionally, the fixing table is provided with a placement table for placing the adsorbed lead frame.

Through adopting above-mentioned technical scheme, the thing platform is put in the fixed station setting, and the convenience will be placed by absorbent lead frame to going on of next process.

In summary, the present application includes at least one of the following beneficial technical effects:

1. put the lead frame on carrying the thing board, start loading attachment, drive assembly promotes to carry the thing board motion, and the lead frame is being close to the motion of loading board under carrying the promotion of thing board, and up to the lead frame and the contact of the absorption mouth that adsorbs the piece, the high-speed sensor response after control drive actuating cylinder stop work, later negative pressure pipeline outwards bleeds air and makes and adsorb and form the negative pressure in the piece, adsorb the mouth and adsorb the lead frame fixedly, has alleviated the lead frame and has got inconvenient problem of clamp.

2. The objective table sets up the locating part, and when the lead frame in the in-process of the direction motion of being close to adsorption apparatus structure, can prevent that the lead frame from rocking on the objective table and making the lead frame take place the skew or drop and make the absorption piece can't adsorb the lead frame.

Drawings

Fig. 1 is a schematic overall structure diagram of a feeding device of a packaging apparatus in an embodiment of the present application.

Fig. 2 is an exploded view of a stage of a loading device of an encapsulation apparatus according to an embodiment of the present application.

Fig. 3 is an exploded view of a transfer assembly of a loading device of an encapsulation apparatus in an embodiment of the present application.

Fig. 4 is an exploded view of a carrier plate of a loading device of a packaging apparatus according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram of an absorbing member of a feeding device of a packaging apparatus in an embodiment of the present application.

Description of reference numerals:

1. an object stage; 11. a fixed base; 111. a limiting member; 12. a drive assembly; 121. a driving cylinder; 122. a cushion washer; 13. a loading plate; 2. an adsorption mechanism; 21. a fixed table; 211. a placing table; 22. a carrier plate; 221. a height sensor; 222. a connecting bridge; 2221. a second fixed part; 2222. a third connecting portion; 23. an adsorbing member; 231. an adsorption nozzle; 232. an adsorption rod; 233. a negative pressure pipeline; 24. a transfer assembly; 241. clamping the sliding block; 2411. clamping the sliding hole; 24111. clamping the convex block; 242. clamping the sliding plate; 2421. clamping the sliding chute; 2422. clamping the slide rail; 24221. clamping the groove; 243. a fixed block; 2431. a first fixed part; 2432. a second connecting portion; 244. a sliding cylinder; 25. a connecting member; 251. a support portion; 252. a first connection portion.

Detailed Description

The present application is described in further detail below with reference to the attached drawing figures.

The embodiment of the application discloses loading attachment of encapsulation equipment.

Referring to fig. 1, a loading device of a packaging device includes an object stage 1 for placing a lead frame and an adsorption mechanism 2 for adsorbing the lead frame, wherein the object stage 1 and the adsorption mechanism 2 are matched with each other.

The lead frame is placed on objective table 1, and adsorption apparatus 2 can adsorb the lead frame on the objective table 1, transports one process next in, has alleviated the lead frame and has got inconvenient problem.

Specifically, referring to fig. 1 and 2, the object stage 1 is rectangular as a whole, the object stage 1 includes a fixing base 11, a driving assembly 12 and an object plate 13, and the fixing base 11 is disposed below the object plate 13. The whole square of unable adjustment base 11, unable adjustment base 11 top surface middle part position is provided with the accommodation space that is used for holding drive assembly 12, drive assembly 12 is including driving actuating cylinder 121 and cushion ring 122, drives actuating cylinder 121 and fixes in the accommodation space, and cushion ring 122 is installed at the output that drives actuating cylinder 121, and cushion ring 122 can be the up-and-down motion under the drive that drives actuating cylinder 121, and cushion ring 122 another side is with carrying thing board 13 bottom surface fixed connection. The upper surface of the fixed base 11 is provided with a limiting part 111 for limiting the lead frame, the limiting part 111 is a limiting rod, the limiting rods are respectively arranged on the left side, the right side and the left side of the fixed base 11, the three limiting rods on each side are respectively arranged in a triangular shape and are respectively used for abutting against the top end and the upper side and the lower side of the lead frame.

Referring to fig. 1 and 2, the suction assembly includes a fixing table 21, a connecting member 25, a carrying plate 22, a suction member 23, and a transfer assembly 24. The whole fixed station 21 is rectangular, the fixed station 21 abuts against the fixed base 11, the connecting piece 25 is fixed on the top surface of the fixed station 21, the bearing plate 22 is matched with the connecting piece 25 through the conveying assembly 24, and the adsorption piece 23 is arranged on the bearing plate 22. A placing table 211 for placing the lead frame to be sucked on and performing the next process is fixed on one side of the top surface of the fixing table 21 close to the stage 1.

Referring to fig. 1, the connecting member 25 is in an inverted L shape as a whole, the connecting member 25 includes a supporting portion 251 and a first connecting portion 252, the supporting portion 251 and the first connecting portion 252 are both in a rectangular rod shape, the supporting portion 251 and the first connecting portion 252 are vertically and fixedly connected, one end of the supporting portion 251 is fixedly connected with the top surface bolt of the fixed platform 21, the other end of the supporting portion 251 is fixedly connected with the first connecting portion 252, and the first connecting portion 252 faces the direction of the object stage 1.

Referring to fig. 1 and 3, the conveying assembly 24 is matched with the bottom side of the end of the first connecting portion 252, the conveying assembly 24 includes a clamping sliding block 241, a clamping sliding plate 242, a sliding cylinder 244 and a fixing block 243, and the clamping sliding block 241 is fixed on the bottom side of the end of the first connecting portion 252. Clamping shifting board 242 and clamping shifting block 241 are matched in a sliding mode, shifting cylinder 244 is arranged in a supporting portion 251 of first connecting portion 252, the driving end of shifting cylinder 244 is connected with clamping shifting board 242, and shifting cylinder 244 can drive clamping shifting board 242 to move close to or far away from supporting portion 251 along clamping shifting block 241. The fixing block 243 is fixed at an end of the clamping slide plate 242 far from the supporting portion 251.

Referring to fig. 1 and fig. 3, a clamping sliding groove 2421 is formed in the middle of the top surface of the clamping sliding plate 242 facing the clamping sliding block 241, the clamping sliding groove 2421 extends from one end of the clamping sliding plate 242 to the other end, a convex clamping sliding rail 2422 is arranged in the middle of the clamping sliding groove 2421, and the clamping sliding block 241 is in sliding fit with the clamping sliding rail 2422.

Referring to fig. 1 and fig. 3, the clamping sliding block 241 is provided with a communicated clamping sliding hole 2411, the clamping sliding hole 2411 is in sliding fit with a clamping sliding rail 2422, two side walls of the clamping sliding hole 2411 are provided with a clamping convex block 24111 for limiting the clamping sliding rail 2422, and the clamping sliding rail 2422 is provided with a clamping groove 24221 matched with the clamping convex block 24111.

Referring to fig. 1 and 3, the fixing block 243 is in a zigzag shape, the fixing block 243 includes a first fixing portion 2431 and a second connecting portion 2432, the first fixing portion 2431 and the second connecting portion 2432 are both in a plate shape, an end of the first fixing portion 2431 is fixedly connected to the middle of the second connecting portion 2432, a side of the first fixing portion 2431 is fixedly connected to an end of the clamping sliding plate 242, and the bottom surface of the second connecting portion 2432 faces the object carrying plate 13.

Referring to fig. 1 and 4, two bearing plates 22 are provided, the two bearing plates 22 are arranged in parallel, and the middle positions of the two bearing plates 22 are fixedly connected to the two ends of the second connecting portion 2432 of the fixing block 243 by bolts. A connecting bridge 222 is arranged between the two bearing plates 22, and four connecting bridges 222 are uniformly arranged on the bearing plates 22. The connecting bridge 222 includes a second fixing portion 2221 and a third connecting portion 2222, the connecting bridge 222 is u-shaped, the second fixing portion 2221 is fixedly connected to two ends of the third connecting portion 2222, and the second fixing portions 2221 of two ends of the third connecting portion 2222 are respectively fixedly connected to two parallel bearing plates 22 by bolts.

Referring to fig. 4 and 5, the suction member 23 is disposed at a middle position of the third connection portion 2222, and the suction member 23 includes a suction nozzle 231, a suction rod 232, and a negative pressure pipe 233. The adsorption rod 232 penetrates through the middle of the third connecting portion 2222, a ventilation cavity for air circulation is formed in the adsorption rod 232, one end of the adsorption rod 232 is communicated with the adsorption nozzle 231, and the other end of the adsorption rod 232 is communicated with the negative pressure pipeline 233. The negative pressure pipe 233 passes through the support portion 251 to be connected to an external negative pressure pump. The suction nozzle 231 is made of rubber for easy suction.

Referring to fig. 2 and 5, the suction member 23 is disposed to be spaced apart from and perpendicular to the loading plate 13.

Referring to fig. 1, 2 and 4, a height sensor 221 for sensing the distance between the object stage 1 and the fixed stage 21 is disposed on a surface of the bearing plate 22 facing the object plate 13, and the height sensor 221 can control the driving cylinder 121 to be turned on or off.

The implementation principle of the feeding device of the packaging equipment in the embodiment of the application is as follows: put the lead frame on carrying thing board 13, start loading attachment, it carries thing board 13 motion to drive actuating cylinder 121 promotion, the lead frame is being close to the motion of loading board 22 under carrying the promotion of thing board 13, until the lead frame contacts with the absorption mouth 231 of adsorbing 23, control after the high sensor 221 response drives actuating cylinder 121 stop work, negative pressure pipeline 233 is outwards bled and is made the interior negative pressure that forms of adsorbing 23, it is fixed with the lead frame absorption to adsorb the mouth 231, later the cylinder 244 that slides starts, make joint slide 242 slide backward, when loading board 22 is located the thing platform 211 top, to ventilating in the adsorbing 23 and make the lead frame place on the thing platform 211 so that carry out next process, the inconvenient problem of lead frame clamp is got has been alleviated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a loading attachment of encapsulation equipment which characterized in that: the lead frame adsorption device comprises an object stage (1) for placing a lead frame and an adsorption mechanism (2) for adsorbing the lead frame, wherein the object stage (1) is matched with the adsorption mechanism (2);

the object carrying table (1) comprises an object carrying plate (13) and a fixed base (11), the object carrying plate (13) is used for bearing a lead frame, the fixed base (11) is provided with a driving assembly (12), and the driving assembly (12) is used for driving the object carrying plate (13) to be close to or far away from the adsorption mechanism (2).

2. The feeding device of the packaging equipment as claimed in claim 1, wherein: adsorption apparatus constructs (2) including fixed station (21), loading board (22) and adsorbs piece (23), loading board (22) set up fixed station (21), it sets up to adsorb piece (23) loading board (22), adsorb piece (23) orientation the setting of objective table (1) direction.

3. The loading device of the packaging equipment as claimed in claim 2, wherein: adsorption element (23) are including adsorbing mouth (231), adsorption rod (232) and negative pressure pipeline (233), be provided with the ventilation chamber that is used for the gas circulation in adsorption rod (232), adsorption rod (232) one end with adsorb mouth (231) intercommunication, adsorption rod (232) other end with negative pressure pipeline (233) intercommunication.

4. The feeding device of the packaging equipment as claimed in claim 2, wherein: the adsorption mechanism (2) further comprises a conveying assembly (24) used for conveying the lead frame to the next process, and the conveying assembly (24) is installed between the bearing plate (22) and the adsorption piece (23).

5. The feeding device of the packaging equipment as claimed in claim 4, wherein: one side, facing the object stage (1), of the bearing plate (22) is provided with a height sensor (221) used for sensing the distance between the object stage (1) and the fixed table (21).

6. The feeding device of the packaging equipment as claimed in claim 2, wherein: the objective table (1) is provided with a limiting part (111) used for limiting the lead frame.

7. The loading device of the packaging equipment as claimed in claim 2, wherein: the fixing table (21) is provided with a placing table (211) for placing the sucked lead frame.