High-precision high-stability multi-PIN blanking die and blanking process thereof

文档序号:1929324 发布日期:2021-12-07 浏览:16次 中文

阅读说明:本技术 高精度高稳定性的多pin下料模具及其下料工艺 (High-precision high-stability multi-PIN blanking die and blanking process thereof ) 是由 陈孟 邓伟平 李垚 张建明 于 2021-08-13 设计创作,主要内容包括:本发明公开一种高精度高稳定性的多PIN下料模具,包括有第一料带刀口座、第二料带刀口座、第一料带冲头、第二料带冲头、多个端子刀口座以及多个端子冲头;该第一料带刀口座和第二料带刀口座分开设置;该多个端子刀口座间隔并排设置的第一料带刀口座和第二料带刀口座之间,相邻端子刀口座之间的距离不小于一个端子组的宽度。通过将多个端子冲头分别可上下活动地设置于多个端子刀口座的正上方,每次冲切下料仅成型一只端子,与现有每次冲切成型三只端子或以上的工艺相比,提高了端子的成型精度,减少端子的尺寸误差,再配合相邻端子刀口座之间的距离不小于一个端子组的宽度,相邻端子组在成型端子时,不会相互造成影响,使端子成型更加稳定。(The invention discloses a high-precision high-stability multi-PIN blanking die which comprises a first material belt knife edge seat, a second material belt knife edge seat, a first material belt punch, a second material belt punch, a plurality of terminal knife edge seats and a plurality of terminal punches, wherein the first material belt knife edge seat is provided with a first material belt punch; the first material belt cutter edge seat and the second material belt cutter edge seat are separately arranged; the distance between the adjacent terminal knife edge seats is not less than the width of one terminal group. Through with a plurality of terminal drift respectively can set up in a plurality of terminal tool-edge seats directly over with activity from top to bottom, die-cut unloading at every turn only one terminal of shaping, compare with current die-cut three terminal or above technology of shaping at every turn, improved the shaping precision of terminal, reduce the dimensional error of terminal, the distance between the adjacent terminal tool-edge seat of deuterogamying is not less than the width of a terminal group, adjacent terminal group can not cause the influence each other when the shaping terminal, makes the terminal shaping more stable.)

1. The utility model provides a many PIN unloading mould of high accuracy high stability which characterized in that: the punching device comprises a first material belt cutter seat, a second material belt cutter seat, a first material belt punching head, a second material belt punching head, a plurality of terminal cutter seats and a plurality of terminal punching heads; the first material belt knife edge seat and the second material belt knife edge seat are separately arranged, a first material belt cavity is formed by the upper surface and the lower surface of the first material belt knife edge seat in a penetrating manner, and a second material belt cavity is formed by the upper surface and the lower surface of the second material belt knife edge seat in a penetrating manner; the first material belt punch and the second material belt punch are respectively and movably arranged right above the first material belt knife edge seat and the second material belt knife edge seat up and down, the first material belt punch and the second material belt punch are respectively matched with the first material belt cavity and the second material belt cavity, one side of the upper end of the first material belt punch is provided with a first clamping groove used for being fixed with a stamping device in a buckling mode, and one side of the upper end of the second material belt punch is provided with a second clamping groove used for being fixed with the stamping device in a buckling mode; the terminal knife edge bases are arranged between the first material belt knife edge base and the second material belt knife edge base at intervals in parallel, the upper surface and the lower surface of each terminal knife edge base penetrate through to form a terminal cavity, and the distance between every two adjacent terminal knife edge bases is not less than the width of one terminal group; the plurality of terminal punches can be respectively and movably arranged right above the plurality of terminal knife edge seats, and the plurality of terminal punches are respectively matched with the plurality of terminal cavities.

2. The high-precision high-stability multi-PIN blanking die as claimed in claim 1, wherein: the number of the terminal knife edge seats is 13, and the number of the corresponding terminal punches is 13.

3. The high-precision high-stability multi-PIN blanking die as claimed in claim 1, wherein: and a third clamping groove used for being fixed with a stamping device in a buckling mode is formed in one side of the upper end of the terminal punch.

4. A high-precision high-stability multi-PIN blanking process is characterized in that: the high-precision high-stability multi-PIN blanking die comprises the following steps:

(1) placing the front end of the master tape on a first tape cutter seat, and punching the master tape by a first tape punch moving downwards to form a tape hole of a first terminal group;

(2) moving a first material belt punch upwards to reset, then moving the front end of the master belt to a first terminal knife edge seat, then moving the first terminal punch downwards to punch the master belt so as to form a single-side appearance of a first terminal group, and simultaneously moving the first material belt punch downwards to punch the master belt so as to form a material belt hole of a second terminal group;

(3) and (3) repeating the step (2) until the front end of the master tape is moved to a second tape cutter seat, and punching the master tape by the second tape punch which moves downwards so as to complete punching and blanking of the first terminal group.

Technical Field

The invention relates to the technical field of punch forming, in particular to a high-precision high-stability multi-PIN blanking die and a blanking process thereof.

Background

The press forming is a processing and forming method for obtaining a workpiece (stamping part) with a required shape and size by applying an external force to a plate, a strip, a pipe, a section bar and the like by a press machine and a die to cause plastic deformation or separation. The stamped blanks are mainly hot and cold rolled steel sheets and strips. In the world, 60-70% of steel materials are plates, and most of the plates are punched to form finished products. The body, chassis, oil tank, radiator sheet, boiler steam drum, shell of container, iron core silicon steel sheet of motor and electric appliance are all made by punching. There are also a large number of stamped parts in products such as instruments, household appliances, bicycles, office machines, and household utensils.

At present, the forming mode of terminal is stamping forming, and current terminal unloading mould is often die-cut unloading three terminals or more in a step, has only considered the intensity of work piece, and this kind of forming process often can lead to the terminal shaping back error great, and the precision is lower, and stability is low. Therefore, there is a need for an improvement of the existing terminal blanking mold.

Disclosure of Invention

In view of the above, the present invention provides a high-precision high-stability multi-PIN blanking mold and a blanking process thereof, which can effectively solve the problems of large error, low precision and low stability of the existing terminal blanking mold after terminal molding.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a many PIN unloading mould of high accuracy high stability which characterized in that: the punching device comprises a first material belt cutter seat, a second material belt cutter seat, a first material belt punching head, a second material belt punching head, a plurality of terminal cutter seats and a plurality of terminal punching heads; the first material belt knife edge seat and the second material belt knife edge seat are separately arranged, a first material belt cavity is formed by the upper surface and the lower surface of the first material belt knife edge seat in a penetrating manner, and a second material belt cavity is formed by the upper surface and the lower surface of the second material belt knife edge seat in a penetrating manner; the first material belt punch and the second material belt punch are respectively and movably arranged right above the first material belt knife edge seat and the second material belt knife edge seat up and down, the first material belt punch and the second material belt punch are respectively matched with the first material belt cavity and the second material belt cavity, one side of the upper end of the first material belt punch is provided with a first clamping groove used for being fixed with a stamping device in a buckling mode, and one side of the upper end of the second material belt punch is provided with a second clamping groove used for being fixed with the stamping device in a buckling mode; the terminal knife edge bases are arranged between the first material belt knife edge base and the second material belt knife edge base at intervals in parallel, the upper surface and the lower surface of each terminal knife edge base penetrate through to form a terminal cavity, and the distance between every two adjacent terminal knife edge bases is not less than the width of one terminal group; the plurality of terminal punches can be respectively and movably arranged right above the plurality of terminal knife edge seats, and the plurality of terminal punches are respectively matched with the plurality of terminal cavities.

Preferably, the number of the terminal knife edge seats is 13, and the number of the corresponding terminal punches is 13.

As a preferred scheme, a third clamping groove used for being fixed with a stamping device in a buckling mode is formed in one side of the upper end of the terminal punch.

A high-precision high-stability multi-PIN blanking process adopts the high-precision high-stability multi-PIN blanking die, and comprises the following steps:

(1) placing the front end of the master tape on a first tape cutter seat, and punching the master tape by a first tape punch moving downwards to form a tape hole of a first terminal group;

(2) moving a first material belt punch upwards to reset, then moving the front end of the master belt to a first terminal knife edge seat, then moving the first terminal punch downwards to punch the master belt so as to form a single-side appearance of a first terminal group, and simultaneously moving the first material belt punch downwards to punch the master belt so as to form a material belt hole of a second terminal group;

(3) and (3) repeating the step (2) until the front end of the master tape is moved to a second tape cutter seat, and punching the master tape by the second tape punch which moves downwards so as to complete punching and blanking of the first terminal group.

Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:

through with a plurality of terminal drift respectively can set up in a plurality of terminal tool-edge seats directly over with activity from top to bottom, die-cut unloading at every turn only one terminal of shaping, compare with current die-cut three terminal or above technology of shaping at every turn, improved the shaping precision of terminal, reduce the dimensional error of terminal, the distance between the adjacent terminal tool-edge seat of deuterogamying is not less than the width of a terminal group, adjacent terminal group can not cause the influence each other when the shaping terminal, makes the terminal shaping more stable.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an assembled perspective view of the preferred embodiment of the present invention;

FIG. 2 is an assembled perspective view of another angle of the preferred embodiment of the present invention;

FIG. 3 is a bottom view of the preferred embodiment of the present invention;

FIG. 4 is a cross-sectional view of a preferred embodiment of the present invention;

FIG. 5 is a diagram of a die-cut product according to the preferred embodiment of the present invention;

fig. 6 is a partially enlarged view of fig. 5.

The attached drawings indicate the following:

10. first material belt knife edge seat 11 and first material belt cavity

20. Second material belt knife edge seat 21 and second material belt cavity

30. First material belt punch 31 and first clamping groove

40. Second material belt punch 41 and second clamping groove

50. Terminal tool apron seat 51 and terminal cavity

60. Terminal punch 61 and third clamping groove

70. Master tape 701, material tape hole

71. A terminal group 711 and terminals.

Detailed Description

Referring to fig. 1 to 6, a specific structure of a preferred embodiment of the present invention is shown, which includes a first tape blade seat 10, a second tape blade seat 20, a first tape punch 30, a second tape punch 40, a plurality of terminal blade seats 50, and a plurality of terminal punches 60.

The first material belt knife edge seat 10 and the second material belt knife edge seat 20 are separately arranged, a first material belt cavity 11 is formed by penetrating through the upper surface and the lower surface of the first material belt knife edge seat 10, and a second material belt cavity 21 is formed by penetrating through the upper surface and the lower surface of the second material belt knife edge seat 20.

The first material belt punch 30 and the second material belt punch 40 are respectively and movably arranged right above the first material belt knife edge seat 10 and the second material belt knife edge seat 20, and the first material belt punch 30 and the second material belt punch 40 are respectively matched with the first material belt cavity 11 and the second material belt cavity 12; in this embodiment, a first engaging groove 31 for being fastened and fixed with a punching device is formed on one side of the upper end of the first tape punch 30, and a second engaging groove 41 for being fastened and fixed with the punching device is formed on one side of the upper end of the second tape punch 40.

Between the first material tape knife edge seat 10 and the second material tape knife edge seat 20 which are arranged side by side at intervals on the plurality of terminal knife edge seats 50, a terminal cavity 51 is formed on the upper surface and the lower surface of each terminal knife edge seat 50 in a penetrating way, and the distance between the adjacent terminal knife edge seats 50 is not less than the width of one terminal group 71; in this embodiment, the number of the terminal blade seats 50 is 13.

The plurality of terminal punches 60 are respectively and movably disposed right above the plurality of terminal die seats 50, and the plurality of terminal punches 60 are respectively adapted to the plurality of terminal die cavities 51; in this embodiment, the number of the terminal punches 60 is also 13, and a third locking groove 61 for locking and fixing with a punching device is formed at one side of the upper end of the terminal punch 60.

The invention also discloses a high-precision high-stability multi-PIN blanking process, which adopts the high-precision high-stability multi-PIN blanking die and comprises the following steps:

(1) the front end of the mother tape 70 is placed on the first tape cutter seat, and the first tape punch moves downward to punch the mother tape, so as to form the tape hole 701 of the first terminal group 71.

(2) Moving the first material belt punch 30 upwards to reset, then moving the front end of the master belt 70 to the first terminal knife edge seat 10, then moving the first terminal punch 60 downwards to punch the master belt 70 to form a single-side shape of the first terminal 711 of the first terminal group 71, and simultaneously, moving the first material belt punch 30 downwards to punch the master belt 70 to form the material belt hole 701 of the second terminal group 71; then, the front end of the mother tape 70 is moved to the second terminal blade seat 50, the second terminal punch 60 moves downward to punch the mother tape 70 to form the single-sided shape of the second terminal 711 of the first terminal group 71 and completely punch the first terminal 711 of the first terminal group 71, meanwhile, the first tape punch 30 moves downward to punch the mother tape 70 to form the tape hole 701 of the second terminal group 71, and the first terminal punch 60 moves downward to punch the mother tape 70 to form the single-sided shape of the first terminal 711 of the second terminal group 71; then, the front end of the female tape 70 is moved to the third terminal blade seat 50, the third terminal punch 60 is moved downward to punch the female tape 70 to form the single-sided shape of the third terminal 711 of the first terminal group 71 and to completely punch and form the second terminal 711 of the first terminal group 71, at the same time, the first tape punch 30 is moved downward to punch the female tape 70 to form the tape hole 701 of the third terminal group 71, the first terminal punch 60 is moved downward to punch the female tape 70 to form the single-sided shape of the first terminal 711 of the third terminal group 71, and the second terminal punch 60 is moved downward to punch the female tape 70 to form the single-sided shape of the second terminal 711 of the second terminal group 71 and to completely punch and form the second terminal 711 of the second terminal group 71.

(3) And (3) repeating the step (2) until the front end of the female tape 70 is moved to the second tape cutter seat 20, and the second tape punch 40 moves downwards to punch the female tape 70 so as to complete the punching and blanking of the first terminal group.

The dimensional tolerance of each terminal 711 of the terminal group 71 obtained by the blanking process reaches +/-0.01 mm, the precision is very high, the quality is greatly improved, the stability of the whole blanking process is high, and the product reject ratio is low.

The design of the invention is characterized in that: through with a plurality of terminal drift respectively can set up in a plurality of terminal tool-edge seats directly over with activity from top to bottom, die-cut unloading at every turn only one terminal of shaping, compare with current die-cut three terminal or above technology of shaping at every turn, improved the shaping precision of terminal, reduce the dimensional error of terminal, the distance between the adjacent terminal tool-edge seat of deuterogamying is not less than the width of a terminal group, adjacent terminal group can not cause the influence each other when the shaping terminal, makes the terminal shaping more stable.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

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