CN210361668U

CN210361668U - Stripper plate for semiconductor rib cutting die

Info

Publication number: CN210361668U
Application number: CN201921116784.9U
Authority: CN
Inventors: 刘明华; 邹学彬
Original assignee: CHENGDU SHANGMING INDUSTRIAL CO LTD
Current assignee: CHENGDU SHANGMING INDUSTRIAL CO LTD
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-04-21
Anticipated expiration: 2029-07-17

Abstract

The utility model relates to a stripper is used to semiconductor cut muscle mould, include: the tool apron assembly comprises a tool apron, a bolt and a tool edge, the bolt is inserted into the tool apron, the tool edge is fixedly connected to the bottom of the tool apron, and the tool edge penetrates through the inside of the tool edge; the discharging assembly comprises two spring seats, a return spring, a discharging column and a plate body; when installing the tool setting mouth, only need insert blade holder and edge of a knife with the bolt in, carry on spacingly to blade holder and edge of a knife, install the edge of a knife, easy operation, simple to operate, and set up the spring holder through the inside at the blade holder, the inside of spring holder sets up reset spring, reset spring exerts pressure to the inside post of unloading of spring holder, set up the plate body through the bottom at the post of unloading again, make the plate body carry out the liftout to fashioned semiconductor, thereby make the semiconductor accomplish the back at the shaping, can be ejecting by the plate body immediately, and then promote the efficiency of unloading.

Description

Stripper plate for semiconductor rib cutting die

Technical Field

The utility model relates to a muscle mould technical field is cut to semiconductor, in particular to muscle mould is cut to semiconductor stripper for.

Background

The key process that the encapsulation product is essential, adopt the key forming die to amputate carrying the dam between the outer pin of lead frame and take at the lead frame in the place of being in the same place, with the product by intact die-cut separation in the lead frame, provide semi-manufactured goods for subsequent test braid process, among the prior art, the semiconductor is cut the muscle mould and is taking the back to semiconductor processing, fashioned semiconductor is easily glued the tool bit department of gluing on last mould, therefore, need the stripper to unload the semiconductor, and current stripper is mostly the plate body of integrated into one piece formula, it unloads inefficiency, and the dismantlement to the tool bit mouth is comparatively troublesome.

The above information disclosed in the background section is only for enhancement of understanding of the background of the present invention, and therefore it may contain information that does not form the prior art that is known to those of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides a stripper for a semiconductor tendon cutting mold, so as to solve or alleviate the technical problem existing in the prior art, and at least provide a useful choice of a stripper for a semiconductor tendon cutting mold.

The embodiment of the utility model provides a technical scheme is so realized:

according to the utility model discloses an embodiment provides a stripper is used to semiconductor cut muscle mould, include:

the tool apron assembly comprises a tool apron, a bolt and a tool edge, the bolt is inserted into the tool apron, the tool edge is fixedly connected to the bottom of the tool apron, and the tool edge penetrates through the inside of the tool edge;

the discharging assembly comprises two spring seats, a reset spring, a discharging column and a plate body, wherein the two spring seats are fixedly connected with the inside of each spring seat, the reset spring is fixedly connected with the bottom end of the reset spring, and the plate body is fixedly connected with the bottom end of the discharging column.

In some embodiments, the stripper plate further comprises a mold assembly, the mold assembly comprises a lower mold, a base, an operating platform, a guide post, an upper mold and a fixing block, the base is fixedly connected to the bottom of the lower mold, the operating platform and the guide post are mounted on the upper surface of the lower mold, the upper mold is fixedly connected to the top end of the guide post, and the fixing block is fixedly connected to the top of the upper mold.

In some embodiments, the stripper plate further comprises a fixing assembly, the fixing assembly comprises a fixing plate, a limiting block, a supporting column and a limiting column, the fixing plate is located at the bottom of the upper die, the limiting block is fixedly connected to the bottom of the fixing plate, and the supporting column and the limiting column are fixedly connected to the bottom of the limiting block.

In some embodiments, a nut is connected to one end of the plug pin in a threaded manner, and a knife edge cushion block is arranged at the joint of the knife edge and the knife holder.

In some embodiments, a rubber pad is disposed at one end of the return spring, and the rubber pad is located inside the spring seat.

In some embodiments, the bottom surface of the plate body is provided with a protruding portion, and a plate groove is formed in the central position of the plate body.

The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage: the embodiment of the utility model provides a through setting up the blade holder, the inside of blade holder sets up the edge of a knife and bolt, when installing the blade setting mouth, only need insert blade holder and edge of a knife with the bolt in, carry on spacingly to blade holder and edge of a knife, install the edge of a knife, and easy operation, high durability and convenient installation, and through the inside spring holder that sets up at the blade holder, the inside of spring holder sets up reset spring, reset spring exerts pressure to the inside post of unloading of spring holder, set up the plate body through the bottom at the post of unloading again, make the plate body carry out the liftout to fashioned semiconductor, thereby make the semiconductor accomplish the back at the shaping, can be ejecting by the plate body immediately.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In the drawings, like reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily to scale. It is appreciated that these drawings depict only some embodiments in accordance with the disclosure and are not to be considered limiting of its scope.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of a fixing assembly and a tool holder assembly according to an embodiment of the present invention.

Fig. 3 is the structural schematic diagram of the discharging component in the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a plate body in an embodiment of the present invention.

In the figure: 10. a mold assembly; 11. a lower die; 12. a base; 13. an operation table; 14. a guide post; 15. an upper die; 16. a fixed block; 20. a fixing assembly; 21. a fixing plate; 22. a limiting block; 23. a support pillar; 24. a limiting column; 30. a tool holder assembly; 31. a tool apron; 32. a bolt; 321. a nut; 33. a knife edge; 331. a knife edge cushion block; 40. a discharge assembly; 41. a spring seat; 42. a return spring; 421. a rubber pad; 43. unloading the column; 44. a plate body; 441. a boss portion; 442. and (4) plate grooves.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The embodiment of the utility model provides a stripper is used to semiconductor cut muscle mould, as shown in fig. 1-4, include:

the tool apron assembly 30 comprises a tool apron 31, a plug pin 32 and a knife edge 33, the plug pin 32 is inserted into the tool apron 31, the knife edge 33 is fixedly connected to the bottom of the tool apron 31, and the knife edge 33 penetrates through the knife edge 33; the latch 32 secures the knife edge 33.

The discharging assembly 40 comprises two spring seats 41, a return spring 42, a discharging column 43 and a plate body 44, the return spring 42 is fixedly connected inside the spring seat 41, the discharging column 43 is fixedly connected at the bottom end of the return spring 42, and the plate body 44 is fixedly connected at the bottom end of the discharging column 43; the return spring 42 presses the lower discharge pin 43, so that the discharge pin 43 is forced to press the lower plate 44.

In one embodiment, the stripper plate further comprises a die assembly 10, wherein the die assembly 10 comprises a lower die 11, a base 12, an operating platform 13, guide posts 14, an upper die 15 and a fixing block 16, the base 12 is fixedly connected to the bottom of the lower die 11, the operating platform 13 and the guide posts 14 are mounted on the upper surface of the lower die 11, the upper die 15 is fixedly connected to the top ends of the guide posts 14, and the fixing block 16 is fixedly connected to the top of the upper die 15; the die assembly 10 constitutes a semiconductor bar cutting die.

In one embodiment, the stripper plate further comprises a fixing assembly 20, the fixing assembly 20 comprises a fixing plate 21, a limiting block 22, a supporting column 23 and a limiting column 24, the fixing plate 21 is located at the bottom of the upper die 15, the limiting block 22 is fixedly connected to the bottom of the fixing plate 21, and the supporting column 23 and the limiting column 24 are fixedly connected to the bottom of the limiting block 22; the fixing assembly 20 is used for fixing and limiting the lower tool apron assembly 30.

In one embodiment, a nut 321 is connected to one end of the bolt 32 in a threaded manner, and a knife edge cushion block 331 is arranged at the connection position of the knife edge 33 and the knife holder 31; the nut 321 fixes the plug 32 and prevents the plug 32 from moving.

In one embodiment, a rubber pad 421 is disposed at one end of the return spring 42, and the rubber pad 421 is located inside the spring seat 41; the rubber pad 421 supports the return spring 42.

In one embodiment, a bottom surface of the plate 44 is provided with a protruding portion 441, and a central position of the plate 44 is provided with a plate groove 442; the protrusion 441 is disposed on the bottom surface of the plate 44, so that the protrusion 441 contacts with the semiconductor to reduce the contact area between the protrusion 441 and the semiconductor, and the plate slot 442 is formed at the center of the plate 44 to facilitate the knife edge 33 to pass through the plate 44.

When the device works, the die assembly 10 is firstly assembled, then the semiconductor to be processed is placed at the operating platform 13, and finally the output end of the hydraulic cylinder is connected with the fixed block 16 on the upper die 15, so that the hydraulic cylinder drives the upper die 15, when the knife edge 33 needs to be installed, the plug pin 32 only needs to be inserted into the knife holder 31 and the knife edge 33, the cutter holder 31 and the cutter edge 33 are limited, the cutter edge 33 is installed, the spring seat 41 is arranged in the cutter holder 31, the return spring 42 is arranged in the spring seat 41, the return spring 42 applies pressure to the discharging column 43 in the spring seat 41, the plate body 44 is arranged at the bottom end of the discharging column 43, so that the plate body 44 ejects the formed semiconductor, therefore, after the semiconductor is formed, the semiconductor can be immediately ejected out by the plate body 44, and the unloading efficiency is further improved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, which should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a stripper for semiconductor rib cutting mould which characterized in that includes:

2. The stripper plate for semiconductor bar cutting die of claim 1, wherein the stripper plate further comprises a die assembly, the die assembly comprises a lower die, a base, a console, a guide post, an upper die and a fixing block, the base is fixedly connected to the bottom of the lower die, the console and the guide post are mounted on the upper surface of the lower die, the upper die is fixedly connected to the top of the guide post, and the fixing block is fixedly connected to the top of the upper die.

3. The stripper plate for semiconductor bar cutting die of claim 2, wherein the stripper plate further comprises a fixing assembly, the fixing assembly comprises a fixing plate, a limiting block, a supporting column and a limiting column, the fixing plate is located at the bottom of the upper die, the limiting block is fixedly connected to the bottom of the fixing plate, and the supporting column and the limiting column are fixedly connected to the bottom of the limiting block.

4. The stripper plate for semiconductor bar cutting die of claim 1, wherein a nut is screwed on one end of the pin, and a blade cushion block is arranged at the joint of the blade and the tool holder.

5. The stripper plate for semiconductor rib cutting die of claim 1, wherein a rubber pad is provided at one end of said return spring, and said rubber pad is located inside said spring seat.

6. The stripper plate for a semiconductor bar cutting die according to claim 1, wherein the bottom surface of the plate body is provided with a protrusion, and the plate body is provided with a plate groove at a central position thereof.