CN209063217U - A kind of DFN warpage preventing tool fixture - Google Patents

Abstract

The utility model discloses a kind of DFN warpage preventing tool fixtures, including jig lower cover plate, the side of the jig lower cover plate surface is fixedly connected with the first fixed block, the inside of first fixed block opens up fluted, the bottom of the groove inner wall is fixedly connected with the first magnet, positioning plate is fixedly connected at the top of the jig lower cover plate, side at the top of the jig lower cover plate is fixedly connected with supporting block, the inner rotation of the supporting block is connected with shaft, the shaft runs through supporting block and extends to the outside of supporting block, the surface of the shaft is fixedly connected with jig upper cover plate, the inside of the jig upper cover plate offers recessing groove, the side of the jig upper cover plate surface is fixedly connected with the second fixed block, the bottom of second fixed block is fixedly connected with support column, the utility model relates to tool fixture technical fields.A kind of DFN warpage preventing tool fixture has achieved the purpose that effective prevention DFN tablet deformation and fixing tool jig.

Description

A kind of DFN warpage preventing tool fixture

Technical field

The utility model relates to tool fixture technical field, specially a kind of DFN warpage preventing tool fixture.

Background technique

With the continuous development of the technology of semiconductor packages, semiconductor devices is smaller and smaller, and design and layout density is increasingly Close, DFN encapsulation is exactly this miniaturization, the representative of high density, by cutting point after being encapsulated due to DFN encapsulation using integration From, the area of the BLOCK of all each encapsulation is very big, simultaneously because the encapsulation tablet and plastic packaging thinner thickness, frame overall length compared with It is long, so after high temperature plastic packaging, tablet, which is removed from the molds in cooling procedure, can generate linear bending, due to the DFN later period Need high-precision cutting to separate, if tablet have can not be positioned in the road warpage Ze Huihou cutting process and occur cutting it is partially abnormal and Lead to large area scrap of the product, a method that can effectively prevent the deformation of DFN tablet seems very urgent.Certain DFN are anti-to be stuck up Bent tool fixture can not effectively prevent the deformation of DFN tablet, and can not effective fixing tool jig.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of DFN warpage preventing tool fixture, solves effectively pre- The problem of anti-DFN tablet deformation and fixing tool jig.

(2) technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of DFN warpage preventing tooling is controlled Tool, including jig lower cover plate, the side of the jig lower cover plate surface are fixedly connected with the first fixed block, first fixed block Inside open up fluted, the bottom of the groove inner wall is fixedly connected with the first magnet, and the top of the jig lower cover plate is solid Surely it is connected with positioning plate, the side at the top of the jig lower cover plate is fixedly connected with supporting block, the inner rotation of the supporting block It is connected with shaft, the shaft runs through supporting block and extends to the outside of supporting block, and the surface of the shaft, which is fixedly connected with, to be controlled Has upper cover plate, the inside of the jig upper cover plate offers recessing groove, and the side of the jig upper cover plate surface is fixedly connected with Second fixed block, the bottom of second fixed block are fixedly connected with support column, the support column far from the second fixed block one End is fixedly connected with the second magnet.

Preferably, the top of the jig lower cover plate and be located at positioning plate surface be provided with DFN tablet.

Preferably, the side of the jig lower cover plate surface is fixedly connected with the first support plate.

Preferably, the side at the top of first support plate is fixedly connected with the second support plate.

Preferably, the side at the top of the jig upper cover plate is fixedly connected with handrail.

Preferably, the surface of the handrail is provided with non-slip mat.

(3) beneficial effect

The utility model provides a kind of DFN warpage preventing tool fixture.Have it is following the utility model has the advantages that

(1), DFN warpage preventing tool fixture, by being fixedly connected with positioning plate, jig lower cover at the top of jig lower cover plate Side at the top of plate is fixedly connected with supporting block, and the inner rotation of supporting block is connected with shaft, and shaft is through supporting block and extends To the outside of supporting block, the surface of shaft is fixedly connected with jig upper cover plate, and the inside of jig upper cover plate offers recessing groove, reaches The purpose of effective prevention DFN tablet deformation is arrived.

(2), the DFN warpage preventing tool fixture is fixedly connected with the first fixed block by the side of jig lower cover plate surface, The inside of first fixed block opens up fluted, and the bottom of groove inner wall is fixedly connected with the first magnet, jig upper cover plate surface Side is fixedly connected with the second fixed block, and the bottom of the second fixed block is fixedly connected with support column, and support column is fixed far from second One end of block is fixedly connected with the second magnet, has achieved the purpose that effective fixing tool jig.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the structural schematic diagram of the first magnet of the utility model partial enlarged view；

Fig. 3 is the structural schematic diagram of the second magnet of the utility model partial enlarged view.

In figure: 1 jig lower cover plate, 2 first fixed blocks, 3 grooves, 4 first magnet, 5 positioning plates, 6 supporting blocks, 7 shafts, 8 Jig upper cover plate, 9 recessing grooves, 10 second fixed blocks, 11 support columns, 12 second magnet, 13DFN tablet, 14 first support plates, 15 Second support plate, 16 handrails, 17 non-slip mats.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of DFN warpage preventing tool fixture, including jig Lower cover plate 1, the side on 1 surface of jig lower cover plate are fixedly connected with the first fixed block 2, and the inside of the first fixed block 2 offers recessed Slot 3, the bottom of 3 inner wall of groove are fixedly connected with the first magnet 4, and the top of jig lower cover plate 1 is fixedly connected with positioning plate 5, controls The side at 1 top of tool lower cover plate is fixedly connected with supporting block 6, and the inner rotation of supporting block 6 is connected with shaft 7, and shaft 7 is through branch Bracer 6 and the outside for extending to supporting block 6, the surface of shaft 7 are fixedly connected with jig upper cover plate 8, the inside of jig upper cover plate 8 Recessing groove 9 is offered, the side on 8 surface of jig upper cover plate is fixedly connected with the second fixed block 10, the bottom of the second fixed block 10 It is fixedly connected with support column 11, support column 11 is fixedly connected with the second magnet 12 far from one end of the second fixed block 10.Under jig The top of cover board 1 and be located at positioning plate 5 surface be provided with DFN tablet 13.The side on 1 surface of jig lower cover plate is fixedly connected with First support plate 14.The side at 14 top of the first support plate is fixedly connected with the second support plate 15.The one of 8 top of jig upper cover plate Side is fixedly connected with handrail 16.The surface of handrail 16 is provided with non-slip mat 17.

In use, 15 support jig upper cover plate 8 of the second support plate, the DFN tablet 13 after plastic packaging is directly placed under jig It in cover board 1, is positioned by the positioning plate 5 of 1 two sides of jig lower cover plate, holds handrail 16, jig upper cover plate 8 is opposite by shaft 7 Supporting block 6 rotates, and jig upper cover plate 8 is closed with jig lower cover plate 1, and jig upper cover plate 8 drives support by the second fixed block 10 Column 11 rotates, and support column 11 is inserted into groove 3, and support column 11 drives the second magnet 12 and the first magnet 4 to adsorb, jig upper cover plate 8 Recessing groove 9 has been opened for avoiding the glue road junction between two DFN tablets 13, jig upper cover plate 8 is enabled to be fully pressed against DFN material On 13 plastic packaging face of piece.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element ".

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of DFN warpage preventing tool fixture, including jig lower cover plate (1), it is characterised in that: jig lower cover plate (1) table The side in face is fixedly connected with the first fixed block (2), and the inside of first fixed block (2) opens up fluted (3), the groove (3) bottom of inner wall is fixedly connected with the first magnet (4), is fixedly connected with positioning plate at the top of the jig lower cover plate (1) (5), the side at the top of the jig lower cover plate (1) is fixedly connected with supporting block (6), and the inner rotation of the supporting block (6) connects It is connected to shaft (7), the shaft (7) runs through supporting block (6) and extends to the outside of supporting block (6), the surface of the shaft (7) It is fixedly connected with jig upper cover plate (8), the inside of the jig upper cover plate (8) offers recessing groove (9), the jig upper cover plate (8) side on surface is fixedly connected with the second fixed block (10), and the bottom of second fixed block (10) is fixedly connected with support Column (11), the support column (11) are fixedly connected with the second magnet (12) far from the one end of the second fixed block (10).

2. a kind of DFN warpage preventing tool fixture according to claim 1, it is characterised in that: the jig lower cover plate (1) Top and be located at positioning plate (5) surface be provided with DFN tablet (13).

3. a kind of DFN warpage preventing tool fixture according to claim 1, it is characterised in that: jig lower cover plate (1) table The side in face is fixedly connected with the first support plate (14).

4. a kind of DFN warpage preventing tool fixture according to claim 3, it is characterised in that: first support plate (14) The side at top is fixedly connected with the second support plate (15).

5. a kind of DFN warpage preventing tool fixture according to claim 1, it is characterised in that: jig upper cover plate (8) top The side in portion is fixedly connected with handrail (16).

6. a kind of DFN warpage preventing tool fixture according to claim 5, it is characterised in that: the surface of the handrail (16) It is provided with non-slip mat (17).