CN216213283U

CN216213283U - Packaging equipment for lead frame processing

Info

Publication number: CN216213283U
Application number: CN202122576648.1U
Authority: CN
Inventors: 张轩
Original assignee: Taizhou Yourun Electronic Technologies Co ltd
Current assignee: Taizhou Yourun Electronic Technologies Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-05
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses packaging equipment for lead frame processing, which comprises a workbench, wherein a box body is fixedly arranged on the workbench, a base plate is fixedly arranged on the box body, a second through hole is formed in the base plate, a lead frame main body is arranged on the base plate, a first through hole is formed in the lead frame main body, a connecting plate is arranged in the box body in a sliding mode, a limiting column is fixedly connected onto the connecting plate, and a limiting plate is fixedly arranged at one end of the limiting column through the first through hole and the second through hole.

Description

Packaging equipment for lead frame processing

Technical Field

The utility model relates to the technical field of lead frame packaging, in particular to packaging equipment for lead frame processing.

Background

The lead frame is used as a chip carrier of an integrated circuit, realizes the electrical connection between the leading-out end of an internal circuit of the chip and an external lead by means of bonding materials (gold wires, aluminum wires and copper wires), forms a key structural member of an electrical circuit, and plays a role of a bridge connected with an external lead; packaging means that circuit pins on a silicon chip are connected to external terminals by wires to facilitate connection of other devices. The package type is a case for mounting a semiconductor integrated circuit chip, which not only plays a role in mounting, fixing, sealing, protecting the chip and enhancing the electrothermal performance, but also is connected to pins of the package case by wires through contacts on the chip, and the pins are connected to other devices through wires on a printed circuit board, thereby realizing the connection of an internal chip with an external circuit.

However, the lead frame in the prior art is complex in the process of fixing the lead frame during packaging, inconvenient to operate, low in work efficiency, and poor in fixing effect, and in the packaging process, the lead frame may move, so that the packaging effect is reduced, even the packaging fails, and the yield is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide packaging equipment for processing a lead frame, which has the advantages of simple fixing process of the lead frame, convenience in operation, improvement of working efficiency and improvement of fixing effect of the lead frame.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an encapsulation equipment for lead frame processing, includes the workstation, fixed mounting has the box on the workstation, fixed mounting has the base plate on the box, the second through-hole has been seted up on the base plate, be provided with the lead frame main part on the base plate, first through-hole has been seted up in the lead frame main part, the inside slip of box is provided with the connecting plate, the spacing post of fixedly connected with on the connecting plate, first through-hole and second through-hole fixed mounting are passed to the one end of spacing post has the limiting plate, the internal diameter of limiting plate is greater than the internal diameter of first through-hole, the limiting plate is laminated on the lead frame main part, the lateral part of box is provided with spacing subassembly.

Preferably, the inside of box rotates and installs the gear, the lower extreme fixedly connected with spliced pole of connecting plate, fixed mounting has the rack on the spliced pole, gear and rack toothing.

Preferably, the side part of the box body is provided with a rotating wheel, the rotating wheel is fixedly connected with a rotating shaft, the rotating shaft is located inside the box body, and the gear is fixedly sleeved on the rotating shaft.

Preferably, the limiting post is provided with a threaded blind hole, the lower end of the limiting plate is fixedly connected with a threaded post, and one end of the threaded post is installed inside the threaded blind hole in a threaded manner.

Preferably, the limiting assembly comprises a limiting rod and a toothed plate, the toothed plate is fixedly installed at the end of the limiting rod, the toothed plate and the gear are correspondingly arranged, a counter bore is formed in one side of the box body, the limiting rod is located inside the counter bore, and one end of the limiting rod is fixedly connected with a pull ring.

Preferably, the side part of the connecting plate is fixedly connected with a sliding block, the inner wall of the box body is provided with a sliding groove, and the sliding block is slidably arranged inside the sliding groove.

Preferably, the lead frame body is provided with a base island, and the side part of the lead frame body is fixedly connected with a pin.

Compared with the prior art, the utility model has the beneficial effects that:

through the design of the rotating wheel, the gear, the rack, the limiting post and the limiting plate, the limiting plate is arranged to be a circular plate, the inner diameter of the limiting plate is larger than that of the first through hole, the lead frame body is placed on the substrate, the limiting post penetrates through the first through hole on the lead frame body, the limiting plate is fixedly arranged on the limiting post, the rotating wheel rotates to drive the rotating shaft to rotate, the rotating shaft drives the gear to rotate, the gear drives the rack to move downwards, the rack drives the connecting post to move downwards, the connecting post drives the connecting plate to move downwards, the connecting plate drives the limiting post to move downwards, and the limiting post drives the limiting plate to move downwards, so that the limiting plate is tightly attached to the lead frame body. The packaging effect is improved to a certain extent, and the yield is improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of a connecting plate, a limiting post, a limiting plate, a substrate and a lead frame body according to the present invention;

fig. 3 is a schematic view of the internal structure of the case of the present invention.

In the figure: 1. a work table; 2. a box body; 3. a rotating wheel; 4. a substrate; 5. a lead frame body; 6. a base island; 7. a pin; 8. a first through hole; 9. a second through hole; 10. a connecting plate; 11. a limiting column; 12. a threaded blind hole; 13. a limiting plate; 14. a threaded post; 15. a slider; 16. a chute; 17. connecting columns; 18. a rack; 19. a gear; 20. a countersunk hole; 21. a limiting rod; 22. a pull ring; 23. a toothed plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "back," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, as used herein, are merely used for convenience in referring to the figures and to aid in describing the utility model, and are not intended to limit the utility model.

Referring to fig. 1-3, the present invention provides a technical solution: a packaging device for lead frame processing comprises a workbench 1, wherein a box body 2 is fixedly mounted on the workbench 1, a substrate 4 is fixedly mounted on the box body 2, second through holes 9 are formed in the substrate 4, four groups of the second through holes 9 are arranged in an array mode, a lead frame main body 5 is arranged on the substrate 4, a base island 6 is arranged on the lead frame main body 5, pins 7 are fixedly connected to the side portion of the lead frame main body 5, first through holes 8 are formed in the lead frame main body 5, the four groups of the first through holes 8 are arranged in an array mode, and the first through holes 8 and the second through holes 9 are arranged in an aligned mode;

a connecting plate 10 is arranged inside the box body 2 in a sliding manner, four groups of sliding blocks 15 are fixedly connected to the side portion of the connecting plate 10, a sliding groove 16 is formed in the inner wall of the box body 2, the sliding blocks 15 and the sliding groove 16 are correspondingly arranged, and the sliding blocks 15 are arranged inside the sliding groove 16 in a sliding manner, so that the connecting plate 10 is more stable in the moving process;

a gear 19 is rotatably arranged in the box body 2, the lower end of the connecting plate 10 is fixedly connected with a connecting column 17, a rack 18 is fixedly arranged on the connecting column 17, the gear 19 is meshed with the rack 18, a rotating wheel 3 is arranged on the side part of the box body 2, a rotating shaft is fixedly connected on the rotating wheel 3, the rotating shaft is positioned in the box body 2, the gear 19 is fixedly sleeved on the rotating shaft, the rotating wheel 3 rotates to drive the rotating shaft to rotate, the rotating shaft drives the gear 19 to rotate, the gear 19 drives the rack 18 to move downwards, and the rack 18 drives the connecting column 17 to move downwards;

the connecting plate 10 is fixedly connected with limiting columns 11, the limiting columns 11 are arranged in four groups in an array mode, the limiting columns 11 are arranged corresponding to the first through holes 8 and the second through holes 9, one ends of the limiting columns 11 penetrate through the first through holes 8 and the second through holes 9 to be fixedly provided with limiting plates 13, the limiting plates 13 are circular plates, threaded blind holes 12 are formed in the limiting columns 11, threaded columns 14 are fixedly connected to the lower ends of the limiting plates 13, one ends of the threaded columns 14 are installed in the threaded blind holes 12 in a threaded mode, the inner diameter of the limiting plates 13 is larger than that of the first through holes 8, the limiting plates 13 are prevented from entering the first through holes 8, the limiting plates 13 are attached to the lead frame main body 5, and the lead frame main body 5 can be fixed through the limiting plates 13;

the lateral part of box 2 is provided with spacing subassembly, spacing subassembly includes gag lever post 21 and pinion rack 23, gag lever post 21 sets up the gag lever post for T shape, pinion rack 23 fixed mounting is in the tip of gag lever post 21, pinion rack 23 and gear 19 correspond the setting, can play the effect of locking to gear 19, counter sink 20 has been seted up to one side of box 2, gag lever post 21 is located the inside of counter sink 20, the one end fixedly connected with semi-annular pull ring 22 of gag lever post 21, conveniently stimulate gag lever post 21.

When the device is used, the lead frame main body 5 is placed on the substrate 4, the limiting post 11 penetrates through the first through hole 8 on the lead frame main body 5, then the limiting plate 13 is fixedly installed on the limiting post 11, namely, one end of the threaded post 14 is installed inside the threaded blind hole 12 in a threaded manner, then the rotating wheel 3 is rotated, the rotating wheel 3 rotates to drive the rotating shaft to rotate, the rotating shaft drives the gear 19 to rotate, the gear 19 drives the rack 18 to move downwards, the rack 18 drives the connecting post 17 to move downwards, the connecting post 17 drives the connecting plate 10 to move downwards, the connecting plate 10 drives the limiting post 11 to move downwards, the limiting post 11 drives the limiting plate 13 to move downwards, so that the limiting plate 13 is tightly attached to the lead frame main body 5, namely, the lead frame is fixed, then the limiting rod 21 is pushed, the toothed plate 23 at the end part of the limiting rod 21 is driven to be close to the gear 19, and the toothed plate 23 is meshed with the gear 19, i.e. the gear 19 is fixed and movement between the gear 19 and the rack 18 due to gravity is prevented.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A packaging equipment for lead frame processing, includes workstation (1), its characterized in that: fixed mounting has box (2) on workstation (1), fixed mounting has base plate (4) on box (2), second through-hole (9) have been seted up on base plate (4), be provided with lead frame main part (5) on base plate (4), first through-hole (8) have been seted up on lead frame main part (5), the inside slip of box (2) is provided with connecting plate (10), spacing post (11) of fixedly connected with are gone up in connecting plate (10), the one end of spacing post (11) is passed first through-hole (8) and second through-hole (9) fixed mounting and is had limiting plate (13), the internal diameter of limiting plate (13) is greater than the internal diameter of first through-hole (8), limiting plate (13) are laminated on lead frame main part (5), the lateral part of box (2) is provided with spacing subassembly.

2. The packaging apparatus for lead frame processing according to claim 1, wherein: the inside of box (2) is rotated and is installed gear (19), the lower extreme fixedly connected with spliced pole (17) of connecting plate (10), fixed mounting has rack (18) on spliced pole (17), gear (19) and rack (18) meshing.

3. The packaging apparatus for lead frame processing according to claim 2, wherein: the side part of box (2) is provided with runner (3), fixedly connected with pivot on runner (3), the pivot is located the inside of box (2), gear (19) are fixed to be cup jointed in the pivot.

4. The packaging apparatus for lead frame processing according to claim 1, wherein: threaded blind holes (12) are formed in the limiting columns (11), threaded columns (14) are fixedly connected to the lower ends of the limiting plates (13), and one end of each threaded column (14) is installed inside each threaded blind hole (12).

5. The packaging apparatus for lead frame processing according to claim 1, wherein: the limiting assembly comprises a limiting rod (21) and a toothed plate (23), the toothed plate (23) is fixedly installed at the end of the limiting rod (21), the toothed plate (23) and a gear (19) are correspondingly arranged, a counter bore (20) is formed in one side of the box body (2), the limiting rod (21) is located inside the counter bore (20), and one end of the limiting rod (21) is fixedly connected with a pull ring (22).

6. The packaging apparatus for lead frame processing according to claim 1, wherein: the side part of the connecting plate (10) is fixedly connected with a sliding block (15), the inner wall of the box body (2) is provided with a sliding groove (16), and the sliding block (15) is slidably arranged inside the sliding groove (16).

7. The packaging apparatus for lead frame processing according to claim 1, wherein: the lead frame is characterized in that a base island (6) is arranged on the lead frame body (5), and a pin (7) is fixedly connected to the side of the lead frame body (5).