Stamping die for lead frame core material

Abstract

The utility model belongs to the technical field of stamping dies, and particularly relates to a stamping die for a lead frame core material, which comprises a die mounting plate and an upper die plate, a circular sliding groove is arranged on the inner wall of the upper die plate, a guide column is slidably connected to the inner wall of the circular sliding groove, and a lower die plate is fixedly connected to the lower end of the guide column. A plurality of screw holes are formed in the inner wall of the lower mold plate, fixing bolts are arranged on the inner walls of the screw holes, the lower surface of the lower mold plate is connected with the lower mold plates suitable for fixing different sizes through the fixing bolts, and an adjusting mechanism is arranged in the mold mounting plate. Through the arrangement of the die mounting plate, step-by-step adjustment can be conveniently carried out according to dies of different sizes, then a small-size die plate can be manufactured for a small stamping product when the dies are customized, die materials are saved, and meanwhile, the production efficiency is improved. And the first sliding rail, the first sliding block and the second sliding block are arranged, and the second sliding rail can conveniently slide the second sliding block and the first sliding block so as to be conveniently in butt joint with the lower die plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch technology field, concretely is a kind of punch die of lead frame core material. BACKGROUND

[0002] Lead frame core material is the core material of key structural piece connecting chip and external circuit in integrated circuit, mainly copper alloy and iron-nickel alloy with different performance characteristics, this kind of core material needs to be blanking processing when being used for processing lead frame, the existing punch die needs to be replaced by different die to process in the process due to the different needs of processing object size, due to the size of die is relatively fixed, and then need to set up the same fixed hole on different die, so it will lead to the die of smaller product is made of larger metal plate, and then cause the waste of material. SUMMARY

[0003] In view of the deficiencies of prior art, the utility model provides a kind of punch die of lead frame core material, solve the problem in background.

[0004] To achieve the above object, the utility model is realized by the following technical scheme:

[0005] A kind of punch die of lead frame core material, including upper die plate, the inner wall of the upper die plate is equipped with circular slide groove, the inner wall of the circular slide groove is slidably connected with guide pillar, the lower end of the guide pillar is fixedly connected with lower die plate, the inner wall of the lower die plate is equipped with multiple screw holes, the inner wall of the screw hole is provided with fixed bolt, the lower surface of the lower die plate is connected with the lower die plate of different sizes by fixed bolt, the inside of die mounting plate is provided with adjusting mechanism.

[0006] Preferably, the die mounting plate includes a mounting plate body, a blanking hole, and a mounting plate fixing hole, the blanking hole is provided on the lower surface of the mounting plate body, the mounting plate fixing hole is provided on the upper surface of the mounting plate body, and the number of the mounting plate fixing hole is multiple and distributed near the edge of the mounting plate body.

[0007] Preferably, the die mounting plate further includes a positioning hole group, a first sliding rail, a first sliding block, a second sliding block, a second sliding rail, and a die plate mounting hole, the positioning hole group is provided on the upper surface of the mounting plate body, and the positioning hole group is composed of multiple thread holes with the same interval.

[0008] Preferably, the first sliding rail is fixedly connected to the upper surface of the mounting plate body, the first sliding block is slidably connected to the outer wall of the first sliding rail, and the second sliding rail is fixedly connected to the inner wall of the first sliding block.

[0009] Preferably, the second sliding block is slidingly connected to the outer wall of the second sliding rail, the template mounting hole is arranged on the upper surface of the second sliding block, and the fixing bolt penetrates the template mounting hole and is threadedly connected with the mounting plate body.

[0010] Preferably, the adjusting mechanism is arranged on one side of the second sliding block, the adjusting mechanism is arranged on one side of the first sliding block, the adjusting mechanism comprises an adjusting bolt, an adjusting sliding block and a sliding groove, the sliding groove is arranged on the side wall of the second sliding block, the adjusting bolt is rotationally connected to the inner wall of the sliding groove, the adjusting sliding block is slidingly connected to the inner wall of the sliding groove, and the adjusting bolt is threadedly connected to the inner wall of the adjusting sliding block.

[0011] Beneficial effects

[0012] The utility model provides a stamping die of lead frame core material, has the following beneficial effects compared with prior art:

[0013] The stamping die of lead frame core material can be conveniently adjusted step by step according to different sizes of the die through the die mounting plate, and then when the die is customized, the small template can be made for small stamping products, and the die material is saved, and the first sliding rail, the first sliding block, the second sliding block and the second sliding rail are arranged to conveniently slide the second sliding block and the first sliding block and then conveniently butt joint with the lower template. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the perspective view of the utility model;

[0015] Figure 2 It is another perspective view of the utility model;

[0016] Figure 3 It is the explosion view of the utility model;

[0017] Figure 4 It is the internal structure schematic view of the adjusting mechanism of the utility model.

[0018] In the drawing: 1, die mounting plate; 101, mounting plate body; 102, blanking hole; 103, positioning hole group; 104, mounting plate fixing hole; 105, first sliding rail; 106, first sliding block; 107, second sliding block; 108, second sliding rail; 109, template mounting hole; 2, lower template; 3, upper template; 4, guide pillar; 5, fixing bolt; 6, adjusting mechanism; 601, adjusting bolt; 602, adjusting sliding block; 603, sliding groove. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme of lead frame core material stamping die, including upper die plate 3, the inner wall of upper die plate 3 is equipped with circular slide groove, circular slide groove inner wall is slidably connected with guide pillar 4, the lower end of guide pillar 4 is fixedly connected with lower die plate 2, the inner wall of lower die plate 2 is equipped with multiple screw holes, and fixed bolt 5 is arranged on the inner wall of screw hole, the lower surface of lower die plate 2 is connected with the lower die plate 2 that can be adapted to fixed different sizes by fixed bolt 5, adjusting mechanism 6 is arranged in the inside of die mounting plate 1, die mounting plate 1 includes mounting plate main body 101, blanking hole 102, mounting plate fixed hole 104, blanking hole 102 is equipped in the lower surface of mounting plate main body 101, mounting plate fixed hole 104 is equipped in the upper surface of mounting plate main body 101, the number of mounting plate fixed hole 104 is multiple and is distributed in the edge position close to mounting plate main body 101, die mounting plate 1 further includes positioning hole group 103, first sliding rail 105, first sliding block 106, second sliding block 107, second sliding rail 108, template mounting hole 109, positioning hole group 103 is equipped in the upper surface of mounting plate main body 101, and positioning hole group 103 is composed of multiple same interval screw holes, first sliding rail 105 is fixedly connected on the upper surface of mounting plate main body 101, first sliding block 106 is slidably connected on the outer wall of first sliding rail 105, second sliding rail 108 is fixedly connected on the inner wall of first sliding block 106, second sliding block 107 is slidably connected on the outer wall of second sliding rail 108, template mounting hole 109 is equipped in the upper surface of second sliding block 107, fixed bolt 5 penetrates template mounting hole 109 and is screw connected with mounting plate main body 101, adjusting mechanism 6 is arranged at one side of second sliding block 107, adjusting mechanism 6 is arranged at one side of first sliding block 106, and adjusting mechanism 6 includes adjusting bolt 601, adjusting sliding block 602 and slide groove 603, slide groove 603 is equipped in the side wall of second sliding block 107, adjusting bolt 601 is rotatably connected on the inner wall of slide groove 603, adjusting sliding block 602 is slidably connected on the inner wall of slide groove 603, and adjusting bolt 601 is screw connected on the inner wall of adjusting sliding block 602.

[0021] Working principle: when in use, the die installation plate 1 is installed at one end of the punch machine, the position of the second slide rail 108 is changed by manually moving the second sliding block 107, then the hole above the second sliding block 107 is aligned with the hole on the lower die plate 2, the adjusting bolt 601 is rotated by means of a wrench, the adjusting sliding block 602 is driven to slide in the inner wall of the sliding groove 603 by the adjusting bolt 601, the position of the second sliding block 107 is fixed by extrusion between the sliding groove 603 and the outer surface of the second slide rail 108, in the same way, the position of the first sliding block 106 is fixed in the first slide rail 105 by controlling the adjusting mechanism 6 in the first sliding block 106, at this time, the second sliding block 107 is preliminarily fixed, which facilitates the butt joint installation of the lower die plate 2, then the fixing bolt 5 is installed to the inner wall of the lower die plate 2 and the second sliding block 107, and the fixing bolt 5 is fixed by the nut at the bottom of the installation plate main body 101, so that the lower die plate 2 can be firmly fixed on the die plate installation hole 109, then the upper die plate 3 is installed to the sliding block end of the punch machine, when working, the upper die plate 3 is pressed down by the punch machine sliding block, the material to be processed is cut off and falls, and then it is collected below the blanking hole 102.

[0022] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0023] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A stamping die for a lead frame core material, comprising a die mounting plate (1), an upper die plate (3), characterized by: The inner wall of the upper die plate (3) is provided with a circular sliding groove, a guide column (4) is slidably connected to the inner wall of the circular sliding groove, the lower end of the guide column (4) is fixedly connected with a lower die plate (2), a plurality of screw holes are formed in the inner wall of the lower die plate (2), and fixed bolts (5) are arranged on the inner wall of the screw holes, the lower surface of the lower die plate (2) is connected with lower die plates (2) of different sizes through the fixed bolts (5), an adjusting mechanism (6) is arranged in the mold mounting plate (1), the mold mounting plate (1) comprises a mounting plate body (101), a blanking hole (102), and a mounting plate fixing hole (104), the blanking hole (102) is formed in the lower surface of the mounting plate body (101), the mounting plate fixing hole (104) is formed in the upper surface of the mounting plate body (101), the number of the mounting plate fixing hole (104) is multiple and is distributed near the edge of the mounting plate body (101), the mold mounting plate (1) further comprises a positioning hole group (103), a first sliding rail (105), a first sliding block (106), a second sliding block (107), a second sliding rail (108), and a die plate mounting hole (109), the positioning hole group (103) is formed in the upper surface of the mounting plate body (101), the positioning hole group (103) is composed of a plurality of thread holes with the same interval, the first sliding rail (105) is fixedly connected to the upper surface of the mounting plate body (101), the first sliding block (106) is slidably connected to the outer wall of the first sliding rail (105), the second sliding rail (108) is fixedly connected to the inner wall of the first sliding block (106), the second sliding block (107) is slidably connected to the outer wall of the second sliding rail (108), the die plate mounting hole (109) is formed in the upper surface of the second sliding block (107), the fixed bolt (5) penetrates through the die plate mounting hole (109) and is threadedly connected with the mounting plate body (101), the adjusting mechanism (6) is arranged on one side of the second sliding block (107), the adjusting mechanism (6) is arranged on one side of the first sliding block (106), and the adjusting mechanism (6) comprises an adjusting bolt (601), an adjusting sliding block (602), and a sliding groove (603), the sliding groove (603) is formed in the side wall of the second sliding block (107), the adjusting bolt (601) is rotatably connected to the inner wall of the sliding groove (603), the adjusting sliding block (602) is slidably connected to the inner wall of the sliding groove (603), and the adjusting bolt (601) is threadedly connected to the inner wall of the adjusting sliding block (602).

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