CN216067838U

CN216067838U - Lead frame paste and take equipment

Info

Publication number: CN216067838U
Application number: CN202122053962.1U
Authority: CN
Inventors: 刘榕; 李荣超; 王学勇; 李嘉俊; 蒋剑辉
Original assignee: Zhongshan Fusheng Electromechanical Co ltd
Current assignee: Zhongshan Fusheng Electromechanical Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-03-18
Anticipated expiration: 2031-08-27

Abstract

The utility model relates to the field of tape pasting equipment, in particular to tape pasting equipment for a lead frame. Including the bed, be equipped with feeding mechanism, mould on the bed, its characterized in that, feeding mechanism includes first feeding mechanism and second feeding mechanism, first feeding mechanism with second feeding mechanism intersection is equipped with lower mould sword, the top of lower mould sword is equipped with corresponding last mould sword, go up the mould sword with the lower mould sword cooperation can be die-cut simultaneously first feeding mechanism with the area material of second feeding mechanism conveying. The utility model aims at providing a lead frame pastes and takes equipment, it can use 1 mould to realize the function that needs 2 moulds just can satisfy originally, can practice thrift die sinking utensil expense, reduces the processing procedure simultaneously, simplifies the manufacture craft, shortens the preparation cycle, improves the product yield, practices thrift manual work and manufacturing cost, improves the profit of product.

Description

Lead frame paste and take equipment

[ technical field ] A method for producing a semiconductor device

The application relates to the field of tape pasting equipment, in particular to tape pasting equipment for a lead frame.

[ background of the utility model ]

Generally, 1 or more adhesive tapes are adhered to the inner leg of a high-leg product or a slender leg product according to the functional requirements, and the shape and the number of the adhered tapes influence the manufacturing process.

The existing tape pasting machine is a simple one-station roll type tape pasting machine, after tape pasting is finished, material is collected, then a next-station recessing and slicing machine is turned, after a post-processing process is finished, the two processes are independent, and the machine is called an RT machine.

The existing process needs 2 sets of dies and can be finished by sticking the belt for many times and receiving the material for many times. Namely, the lead frame 6 is finished by multiple tape-sticking and multiple material-receiving of 2 sets of dies on an RT machine table of a roll-type one-stop tape-sticking machine table.

There are problems: a plurality of sets of moulds are needed, and the cost is high; the multiple-time belt sticking and the multiple-time material receiving have the advantages of multiple manufacturing processes, long manufacturing time, increased product deformation risk, low product yield and high manufacturing cost.

[ Utility model ] content

An object of this application is to provide a lead frame pastes and takes equipment, uses 1 mould to realize the function that needs 2 moulds just can satisfy originally, can practice thrift die sinking utensil expense, reduces the processing procedure simultaneously, simplifies the manufacture craft, shortens the preparation cycle, improves the product yield, practices thrift manual work and manufacturing cost, improves the profit of product.

The application is realized by the following technical scheme:

the utility model provides a lead frame paste and take equipment, includes the bed 1, be equipped with feeding mechanism 2, mould 3 on the bed 1, feeding mechanism 2 includes first feeding mechanism 21 and second feeding mechanism 22, first feeding mechanism 21 with second feeding mechanism 22 intersection is equipped with lower mould sword 7, the top of lower mould sword 7 is equipped with corresponding last mould sword 4, go up mould sword 4 with lower mould sword 7 cooperation can be die-cut simultaneously first feeding mechanism 21 with the area material 5 of second feeding mechanism 22 conveying.

Preferably, the feeding directions of the first feeding mechanism 21 and the second feeding mechanism 22 are opposite and are staggered in parallel.

Preferably, the upper die cutter 4 includes a first upper die cutting edge 41 and a second upper die cutting edge 42, the lower die cutter 7 includes a first lower die cutting edge 71 and a second lower die cutting edge 72, the first upper die cutting edge 41 cooperates with the first lower die cutting edge 71 to cut the tape 5, and the second upper die cutting edge 42 cooperates with the second lower die cutting edge 72 to cut the tape 5.

Preferably, the upper die cutter 4 and the lower die cutter 7 are centrosymmetric.

Preferably, the upper die cutter 4 and the lower die cutter 7 are both of a central symmetry Z-shape.

Preferably, a first guide groove 31 and a second guide groove 32 are arranged on two sides of the lower die cutter 7, the first guide groove 31 corresponds to the first feeding mechanism 21, the second guide groove 32 corresponds to the second feeding mechanism 22, and the first guide groove 31 and the second guide groove 32 are staggered.

Preferably, the offset between the first guide groove 31 and the second guide groove 32 is equal to or greater than the width of the strip 5.

Preferably, the first feeding mechanism 21 and the second feeding mechanism 22 are symmetrically fixed with the bed 1 as a center.

Compared with the prior art, the method has the following advantages:

1. the function that 2 moulds are needed to meet originally can be realized by using 1 mould, and the mould opening cost can be saved.

2. The manufacturing process is reduced, the manufacturing process is simplified, the manufacturing period is shortened, the product yield is improved, the labor and manufacturing cost are saved, and the product profit is improved.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a taping device for a lead frame according to the present application.

Fig. 2 is a top view of a die of the taping device of the lead frame of fig. 1.

Fig. 3 is a schematic diagram of an upper die blade and a lower die blade of the tape attaching device of the lead frame according to the present application.

Fig. 4 is a bottom view of an upper die blade of the taping device of the lead frame of fig. 3.

Fig. 5 is a schematic diagram of the lead frame after taping.

[ detailed description ] embodiments

In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Referring to fig. 1, an embodiment of the present application provides a tape attaching apparatus for a lead frame, including a bed 1; the first feeding mechanism 21 and the second feeding mechanism 22 are symmetrically fixed by taking the bed 1 as a center; a lower die cutter 7 is arranged at the intersection of the first feeding mechanism 21 and the second feeding mechanism 22, a corresponding upper die cutter 4 is arranged above the lower die cutter 7, the die 3 comprises a first guide groove 31 and a second guide groove 32, and the first guide groove 31 and the second guide groove 32 are respectively arranged at two sides of the lower die cutter 7 and respectively correspond to the first feeding mechanism 21 and the second feeding mechanism 22; the upper die cutter 4 and the lower die cutter 7 are matched to simultaneously die cut the strip 5 conveyed by the first feeding mechanism 21 and the second feeding mechanism 22.

Referring to fig. 2, the first guide groove 31 and the second guide groove 32 have a certain offset which is greater than or equal to the width of the strip 5, the first guide groove 31 and the second guide groove 32 convey the strip 5 to the upper side of the lower die cutter 7, the upper die cutter 4 is in a central symmetrical Z shape, and the upper die cutter 4 cooperates with the lower die cutter 7 to simultaneously die cut the strip 5 conveyed by the first feeding mechanism 21 and the second feeding mechanism 22; and finishing the tape pasting operation. The system setting and the product requirements can be met in one step.

Fig. 5 shows an effect diagram of the lead frame 6 after tape sticking, the lead frame 6 continuously enters the tape sticking device of the lead frame, the tape sticking operation is completed by the cooperation of the upper die cutter 4 and the lower die cutter 7 and the simultaneous punching, the effect that the original 2 sets of dies are needed is realized by using 1 set of dies, the cost of die opening is saved, the process flow is simplified, and the improvement of the product yield is facilitated.

In summary, the present application has, but is not limited to, the following beneficial effects:

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms disclosed. Similar or identical methods, structures, etc. as used herein, or several technical inferences or substitutions made on the concept of the present application should be considered as the scope of the present application.

Claims

1. The utility model provides a lead frame paste and take equipment, includes bed (1), be equipped with feeding mechanism (2), mould (3) on bed (1), its characterized in that, feeding mechanism (2) include first feeding mechanism (21) and second feeding mechanism (22), first feeding mechanism (21) with second feeding mechanism (22) intersection is equipped with down mould sword (7), the top of lower mould sword (7) is equipped with corresponding last mould sword (4), go up mould sword (4) with lower mould sword (7) cooperation can be die-cut simultaneously first feeding mechanism (21) with area material (5) of second feeding mechanism (22) conveying.

2. The lead frame taping device according to claim 1, wherein the first feeding mechanism (21) and the second feeding mechanism (22) are fed in opposite directions and staggered in parallel.

3. The lead frame taping device according to claim 1, wherein the upper die cutter (4) comprises a first upper die cutting edge (41) and a second upper die cutting edge (42), and the lower die cutter (7) comprises a first lower die cutting edge (71) and a second lower die cutting edge (72), the first upper die cutting edge (41) being adapted to die cut the tape material (5) in cooperation with the first lower die cutting edge (71), and the second upper die cutting edge (42) being adapted to die cut the tape material (5) in cooperation with the second lower die cutting edge (72).

4. Taping device for lead frames according to claim 3, characterized in that the upper die knife (4) and the lower die knife (7) are both centrosymmetric.

5. Taping device for lead frames according to claim 4, characterized in that the upper die knife (4) and the lower die knife (7) are both centrosymmetric Z-shaped.

6. The lead frame taping device according to claim 1, wherein the lower die cutter (7) is provided with a first guide groove (31) and a second guide groove (32) on both sides, the first guide groove (31) corresponds to the first feeding mechanism (21), the second guide groove (32) corresponds to the second feeding mechanism (22), and the first guide groove (31) and the second guide groove (32) are offset.

7. The lead frame taping device according to claim 6, wherein the offset of the first guide slot (31) and the second guide slot (32) is greater than or equal to the width of the strip (5).

8. Lead frame taping device according to any of claims 1 to 7, wherein the first feeding mechanism (21) and the second feeding mechanism (22) are symmetrically fixed centered on the bed (1).