CN216619893U

CN216619893U - Resistance heating ignition element

Info

Publication number: CN216619893U
Application number: CN202123127677.6U
Authority: CN
Inventors: 王成名
Original assignee: Dongguan Mingwei Electronic Technology Co ltd
Current assignee: Dongguan Mingwei Electronic Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-27
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a resistance heating ignition element, and relates to the technical field of electronic detonators. The utility model comprises plastic cement, wherein one side of the plastic cement is provided with an opening; two metal supports, and the metal support is installed in the plastic and is offered the open-ended side. The welded product body has smooth appearance, does not damage an electroplated layer, cannot be oxidized, cannot be loosened after being placed for a long time, greatly improves the production efficiency, completes the production by all equipment, does not need manual intervention, and is automatically detected.

Description

Resistance heating ignition element

Technical Field

The utility model belongs to the technical field of electronic detonators, and particularly relates to a resistance heating ignition element.

Background

The resistance heating ignition element is widely applied to an electronic detonator ignition part, and the traditional resistance heating ignition element is as follows: the riveting resistance wire is fixed in the middle of the two metal supports in a riveting mode, or the metal supports are stabilized in a laser welding mode, then the two metal supports are shaped by plastic, and then the two metal supports are integrally connected to a five-metal material belt, and are cut off from the material belt in use, the production efficiency of the mode is low, SMT automatic patch welding on a PCB cannot be realized, the resistance value cannot be detected in production, and the metal supports are rebounded due to metal stress after being riveted, after riveting, the metal supports can slowly loosen after being placed for a period of time, or after laser spot welding, a blackened oxide layer can be formed on the surface of the product, the whole product can be slowly oxidized after being placed for a period of time, and therefore mechanical performance and electrical performance can fail.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a resistance heating ignition element, which solves the technical problems that the existing resistance heating ignition element is easy to loosen and blackens an oxide layer.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a resistance heating ignition element comprises plastic, wherein one side of the plastic is provided with an opening;

two metal supports, and the metal support is installed in the plastic and is seted up open-ended one side, and one side of metal support is installed and is equipped with the buckle with plastic complex.

Optionally, a riveting resistance wire is placed at one end of the metal support.

Optionally, the first side surface of the metal bracket is provided with a first bump and a second bump in sequence from one end to the other end.

Optionally, a third bump and a fourth bump are sequentially arranged from one end to the other end of the second side surface of the metal bracket.

Optionally, the third bump and the fourth bump are both located on one side of the plastic.

Optionally, the metal bracket of the first bump and the metal bracket of the second bump are located on one side far away from the plastic.

The embodiment of the utility model has the following beneficial effects:

according to the embodiment of the utility model, the welded product body has smooth appearance, an electroplated layer is not damaged, the product cannot be oxidized, the product cannot be loosened after being placed for a long time, the production efficiency is greatly improved, all equipment finishes production, manual intervention is not needed, automatic detection is realized, and due to carrier band packaging, automatic surface mounting can be realized during use, so that the production efficiency of customers is improved, and meanwhile, the occurrence of poor secondary processing is reduced.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic view of an opening structure according to an embodiment of the present invention;

FIG. 3 is a schematic view of a metal bracket according to an embodiment of the present invention;

fig. 4 is a schematic view of a third bump structure according to an embodiment of the utility model.

Wherein the figures include the following reference numerals:

the plastic comprises a plastic 1, an opening 101, a metal support 2, a first bump 201, a second bump 202, a third bump 203, a fourth bump 204, a buckle 3 and a riveting resistance wire 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.

Referring to fig. 1-4, in the present embodiment, there is provided a resistance heating ignition device, including: the plastic 1, wherein one side of the plastic 1 is provided with an opening 101;

two metal support 2, and metal support 2 installs in plastic 1 one side of seting up opening 101, and metal support 2's one side is installed with plastic 1 complex buckle 3, and buckle 3 lets the hardware wrap in the plastic body, makes colloid and hardware combine inseparabler, does not loosen and takes off.

The method comprises the steps of pre-bending the head of a metal support on a die to form a hook shape, accurately sending a riveting resistance wire 4 to the head of the metal support by adopting precision equipment, pre-pressing the equipment, forming the riveting resistance wire 4 into a V shape through a mechanism after pre-pressing, accurately controlling the size of the resistor, applying current with a certain size to the head of the metal support by adopting an inverter after pre-pressing to melt tin on the surface of metal, wrapping the riveting resistance wire 4 by the melted tin and firmly welding the metal support, cutting off a product from a five-gold material belt by the equipment after welding is finished, placing the product into a next station for electrical measurement, automatically discharging electrical measurement NG, and automatically carrying belt packaging when the electrical measurement OK flows into the next station.

The welded product body is smooth in appearance, does not damage an electroplated layer, can not be oxidized, can not become flexible after being placed for a long time, greatly improves production efficiency, completes production by all equipment, does not need manual intervention, automatically detects, can realize automatic paster during use due to carrier band packaging, and reduces poor secondary processing when improving production efficiency of customers.

Referring to fig. 1, in the embodiment, the first bump 201 and the second bump 202 are both located on a side away from the plastic 1, the rivet resistance wire 4 is placed at one end of the metal bracket 2, the first bump 201 and the second bump 202 are sequentially installed from one end to the other end of the first side surface of the metal bracket 2, the third bump 203 and the fourth bump 204 are sequentially installed from one end to the other end of the second side surface of the metal bracket 2, and the third bump 203 and the fourth bump 204 are both located on a side away from the plastic 1 of the metal bracket 2, so that the two metal brackets 2 are conveniently fixed by the plastic 1.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. An electric resistance heating ignition element, comprising:

the plastic (1), wherein one side of the plastic (1) is provided with an opening (101);

two metal supports (2), and metal support (2) are installed in plastic (1) and are seted up one side of opening (101), and metal support (2) one side is installed and is equipped with buckle (3) with plastic (1) complex.

2. A resistance heating ignition element according to claim 1, characterized in that a riveted resistance wire (4) is placed at one end of the metal holder (2).

3. An electric resistance heating ignition element according to claim 1, wherein the first side surface of the metal holder (2) is provided with a first projection (201) and a second projection (202) in this order from one end to the other end.

4. An electric resistance heating ignition element according to claim 1, wherein the second side surface of the metal bracket (2) is provided with a third projection (203) and a fourth projection (204) in sequence from one end to the other end.

5. An electric resistance heating ignition element as defined in claim 4, characterized in that the third projection (203) and the fourth projection (204) are located on one side of the plastic (1).

6. An electric resistance heating ignition element according to claim 3, wherein the first projection (201) and the second projection (202) are both located on the side of the metal bracket (2) away from the plastic (1).