CN201490558U

CN201490558U - Shaping die of connector terminal

Info

Publication number: CN201490558U
Application number: CN2009201671760U
Authority: CN
Inventors: 覃太明
Original assignee: DONGGUAN YANGMING PRECISION OF PLASTIC METAL ELECTRONIC CO LTD
Current assignee: DONGGUAN YANGMING PRECISION OF PLASTIC METAL ELECTRONIC CO LTD
Priority date: 2009-08-03
Filing date: 2009-08-03
Publication date: 2010-05-26
Anticipated expiration: 2019-08-03

Abstract

The utility model discloses a shaping die of a connector terminal, wherein a terminal shaping unit comprises an adjustable bending unit, wherein the adjustable bending unit is provided with an adjustable upper die and an adjustable lower die, the adjustable upper die comprises a group of installation platforms, a group of inclined surface pushing rods which are respectively installed on the installation platform, a group of adjusting bolts which respectively penetrate through the installation platforms and are connected with the inclined surface pushing rods, a group of inclined surface sliding blocks which are respectively contacted with inclined surfaces of the inclined surface pushing rods, and a group of pushing bar heads which are respectively installed on the inclined surface sliding blocks, and the lower die is provided with a concave ladder. The shaping die can guarantee that the bending amplitude of each terminal can be consistent, the problem that terminals have different bending heights is solved, when the terminals of other bending heights need producing, the die does not need replacing, only the initial positions of the pushing bar heads need adjusting, and thereby the shaping die is more simple and convenient, and saves the cost.

Description

A kind of mould of bonder terminal

Technical field:

The utility model relates to the manufacture technology field of electronics splicing ear, refers in particular to a kind of mould of bonder terminal.

Background technology:

The metal terminal that the data connector that existing various electric connector is especially miniature etc. is adopted generally is to make moulding by the strip metal strip by die stamping, shaping.Make metal terminal of moulding and need comprise the processes such as shaping moulding of the punching press of cutting edge, location hole punching press, terminal planar development shape or excision forming, terminal usually.Make the similar many pin shown in Figure 2 connector end of a kind of expanded view period of the day from 11 p.m. to 1 a.m, the terminal of its final molding need be along twice of the bending of dotted line shown in the figure, and wanting the moulding chamfering near the both sides of terminal head, adopt existing mould to make, mainly have the following disadvantages: one, when terminal both sides moulding chamfering, what adopt is the mode of the independent chamfering of each terminal, this mode the uneven phenomenon of chamfering also occurs easily except working (machining) efficiency is low, influence product quality; Its two, in the general strip punching course, location hole punching press and the punching press of terminal periphery clout are separately carried out, and the number of times of punching press is more, the easy like this accumulated error of blank that causes increases, and causes follow-up station location inaccurate; They are three years old, terminal is in bending shaping process, existing mold mainly adopts single bending operation, the inconsistent phenomenon of kink height between each terminal so also appears easily, and to different terminals, kink height also may be different, and existing mold can't be regulated, and can only redesign and change correlation unit; Its four, in the excision of the clout of terminal head, impression is arranged owing to dashed in the operation of front, thus existing mold when blank only to the clout band rear portion application of force, the phenomenon that the easy like this copper scale that produces when causing the fracture of clout band raises up influences subsequent job.In addition, make in the mould at existing terminal, employed cutting die in the cutting edge process, its corner is still simple right-angle design, therefore the strip edge has formed the corner angle at right angle one by one after the cutting edge, in high speed feeding process, the corner angle at strip edge collide stock guide easily and produce the break flour problem, and this also is that most of terminals making moulds have problem to be solved.

The utility model content:

The purpose of this utility model is to overcome existing square hollow metal terminal mould above-mentioned weak point in design, and a kind of mould of improved many pin bonder terminal is provided.

The utility model realizes that the technical scheme that its purpose adopts is: a kind of mould of bonder terminal, this mould includes cutting edge and location hole punching unit, terminal planar development shape forming unit, the terminal shaping unit, wherein: described terminal shaping unit has adjustable bend unit, described adjustable bend unit has adjustable upper die and lower die, and described adjustable patrix comprises one group of erecting bed, be installed in one group of surface push-rod of described erecting bed respectively, the one group of adjusting bolt that passes described erecting bed respectively and be connected with described surface push-rod, the one group of inclined plane slide block that contacts with the inclined-plane of described surface push-rod respectively and be installed in one group of punch rod head on the described inclined plane slide block respectively; Described counterdie is provided with a spill ladder.

Described terminal planar development shape forming unit has the whole chamfering of terminal side unit, and this integral body chamfering unit has the chamfering upper die and lower die, row's chamfering drift is installed on the wherein said chamfering patrix, and described chamfering drift is isosceles trapezoid.

Described cutting edge and location hole punching unit comprise cutting edge cutting die and location hole stamping cutting die, also are provided with the clout stamping cutting die on the described location hole stamping cutting die simultaneously, and promptly described clout stamping cutting die and described location hole stamping cutting die are integral type.

The corner of the cutting edge cutting die of described cutting edge and location hole punching unit is mutual circle of contact corner structure.

Strip excision cutting die before also comprising one in the described terminal shaping unit, this preceding strip excision cutting die and preceding strip shape are coincide, and it is provided with getting stuck a little of the preceding strip both sides of clamping stagnation.

After the utility model adopts said structure, at first, in the bending shaping, utilize the initial position of adjustable each punch rod head of bend unit scalable that it is consistent, thereby can control the whole kink height of one group of terminal, and the punch rod head is driven simultaneously, promptly each terminal bends simultaneously, can guarantee the bending amplitude unanimity of each terminal, solve the inconsistent problem of terminal height; And the initial position of single punch rod head also is adjustable, can produce the metal terminal that different kink height are arranged in a group; And when needing the terminal of other kink height of production, also need not more mold exchange, an initial position that only needs to regulate the punch rod head gets final product, therefore more simple and convenient, saving cost; Secondly, the chamfering of terminal head both sides also adopts the mode of whole chamfering, guarantees the chamfering uniformity of each terminal; Once more, the punching press of location hole punching press and terminal periphery clout can be carried out simultaneously, can reduce the punching press number of times, thereby guarantee the accurate positioning of blank precision and subsequent job.Once more, in the strip process, its cutting die edge shape and strip and terminal ends match before removal, and are provided with and get stuck a little, can be with the whole excision of preceding strip, avoid because of unbalance stress cause before strip tilt phenomenons such as copper scale raise up.In addition, in the design of cutting edge cutting die, fillet structure is adopted in the corner of cutting edge cutting die, makes that the corner angle at strip edge all become slick and sly arc after the punching press, has therefore avoided strip peripheral collision stock guide and produces problem such as break flour.

Description of drawings:

Fig. 1 is the integral planar schematic diagram of the utility model mould;

Fig. 2 is a kind of plane outspread drawing of many pin bonder terminal;

Fig. 3 is the structural representation of the utility model cutting edge cutting die;

Fig. 4, Fig. 5 are the structural representations of the utility model location hole stamping cutting die and clout stamping cutting die;

Fig. 6 is the structural representation of the whole chamfering of the utility model unit;

Fig. 7 is the structural representation of strip excision cutting die before the utility model;

Fig. 8 is the structural representation of the adjustable bend unit of the utility model.

Embodiment:

Below in conjunction with specific embodiments and the drawings the utility model is further specified.

At first, as shown in Figure 1, mould described in the utility model is mainly used in molding flat expanded view and the similar many pin metal terminal of Fig. 2.The expanded view top of this metal terminal 4 is divided into clout band 41, is mainly used to connect each terminal; The bottom is divided into terminal bodies 42, and through twice bending, and the two sides of terminal bodies 42 also form chamfering 421 along two dotted lines shown in the figure for terminal bodies 42 structure that roughly is rectangle, terminal bodies 42.

Below, in conjunction with Fig. 1～Fig. 6 the improvement of the utility model mould is specified.

As shown in Figure 3, the utility model mould includes cutting edge and location hole punching unit 1, terminal planar development shape forming unit 2, terminal shaping unit 3 on the whole, finishes cutting edge, location, expansion shape punching press and the terminal fold shaping supervisor of terminal material belt respectively.

As shown in Figure 7, the corner 111 of the cutting edge cutting die 11 in the utility model cutting edge and the location hole punching unit 1 all is designed to the fillet structure cut mutually, make strip corner angle at its edge after cutting edge become slick and sly camber line like this, can avoid strip peripheral collision stock guide and produce problem such as break flour.

Fig. 4, shown in Figure 5 for another example, location hole stamping cutting die 12 has two groups with clout stamping cutting die 13 among the utility model embodiment, be respectively applied for the clout on punching press location hole and terminal both sides, clout stamping cutting die 13 is an integral type with described location hole stamping cutting die 12 in the utility model, like this, the punching press of location hole punching press and terminal periphery clout can be carried out simultaneously, can reduce the punching press number of times, thereby guarantees the accurate positioning of blank precision and subsequent job.

As shown in Figure 6, terminal planar development shape forming unit 2 described in the utility model has the whole chamfering of terminal side unit 21, this integral body chamfering unit 21 has chamfering patrix 21a and counterdie 21b, one row's chamfering drift 21a1 is installed on the wherein said chamfering patrix 21a, and described chamfering drift 21a1 is isosceles trapezoid.Wherein each chamfering drift 21a1 is the side of two adjacent terminals of punching press, rather than the same terminal of punching press, and integral type punching press chamfering helps guaranteeing the chamfering uniformity of terminal side.

As shown in Figure 7, also comprise strip excision cutting die 32 before in the described terminal shaping unit 3, the edge shape of this preceding strip excision cutting die 32 coincide with the shape of preceding strip and terminal ends, and its be provided with the preceding strip both sides of clamping stagnation get stuck a little 321.In the strip process, its cutting die edge shape and strip and terminal ends match before removal, and are provided with and get stuck a little 321, can be with the whole excision of preceding strip, avoid because of unbalance stress cause before strip tilt phenomenons such as copper scale raise up.

As shown in Figure 8, described terminal shaping unit 3 has adjustable bend unit 31, described adjustable bend unit 31 has adjustable patrix 31a and counterdie 31b, described adjustable patrix 31a comprise one group of erecting bed 31a1, respectively be installed in one group of surface push-rod 31a2 of described erecting bed 31a1, pass described erecting bed 31a1 and be connected with described surface push-rod 31a2 one group respectively and regulate bolt 31a3, the one group of inclined plane slide block 31a4 that contacts with the inclined-plane of described surface push-rod 31a2 respectively and be installed in one group of punch rod 31a5 on the described inclined plane slide block 31a4 respectively; Described counterdie 31b is provided with a spill ladder 31b1.Regulate bolt 31a3 by rotation, surface push-rod 31a2 is advanced or retreat, the position of regulating inclined plane slide block 31a4 thus is the position of a punch rod 31a5, (when retreating can by being installed in inclined plane slide block 31a4 upper spring 5 returns).During operation, all surface push-rod 31a2 are driven by horizontal direction simultaneously, thereby punch rod head 31a5 is pressed down simultaneously, and utilizing the matrix ladder 31b1 on the counterdie 31b is that the terminal bending puts in place.Because the described terminal of present embodiment needs through twice bending, bending the mould therefor unit successively after therefore is consistent with above-mentioned adjustable bend unit 31 structural principles, so repeats no more.

Certainly, the above is several improvements of the present utility model, and complete mould obviously also comprises for example pre-shaping unit, fine setting shaping unit etc., and it is all similar to prior art, does not therefore repeat them here.

Claims

1. the mould of a bonder terminal, this mould includes cutting edge and location hole punching unit (1), terminal planar development shape forming unit (2), terminal shaping unit (3), it is characterized in that: described terminal shaping unit (3) has adjustable bend unit (31), described adjustable bend unit (31) has adjustable patrix (31a) and counterdie (31b), and described adjustable patrix (31a) comprises one group of erecting bed (31a1), be installed in one group of surface push-rod (31a2) of described erecting bed (31a1) respectively, the one group of adjusting bolt (31a3) that passes described erecting bed (31a1) respectively and be connected with described surface push-rod (31a2), the one group of inclined plane slide block (31a4) that contacts with the inclined-plane of described surface push-rod (31a2) and be installed in one group of punch rod head (31a5) on the described inclined plane slide block (31a4) respectively respectively; Described counterdie (31b) is provided with a spill ladder (31b1).

2. the mould of a kind of bonder terminal according to claim 1, it is characterized in that: described terminal planar development shape forming unit (2) has the whole chamfering unit (21) of a terminal side, this integral body chamfering unit (21) has chamfering patrix (21a) and counterdie (21b), one row's chamfering drift (21a1) is installed on the wherein said chamfering patrix (21a), and described chamfering drift (21a1) is isosceles trapezoid.

3. the mould of a kind of bonder terminal according to claim 1, it is characterized in that: described cutting edge and location hole punching unit (1) comprise cutting edge cutting die (11) and location hole stamping cutting die (12), also be provided with clout stamping cutting die (13) on the described location hole stamping cutting die (12) simultaneously, promptly described clout stamping cutting die (13) is an integral type with described location hole stamping cutting die (12).

4. according to the mould of claim 1 or 3 described a kind of bonder terminals, it is characterized in that: the corner (111) of the cutting edge cutting die (11) of described cutting edge and location hole punching unit (1) locates to be mutual circle of contact corner structure.

5. the mould of a kind of bonder terminal according to claim 1, it is characterized in that: strip excision cutting die (32) before also comprising in the described terminal shaping unit (3), the shape of the edge shape of strip excision cutting die (32) and preceding strip and terminal ends is coincide before being somebody's turn to do, and it is provided with the point (321) that gets stuck of the preceding strip both sides of clamping stagnation.