CN100465574C - Bridging fibril welding procedure of electric detonator firing device and joint structure thereof - Google Patents
Bridging fibril welding procedure of electric detonator firing device and joint structure thereof Download PDFInfo
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- CN100465574C CN100465574C CNB2007100571436A CN200710057143A CN100465574C CN 100465574 C CN100465574 C CN 100465574C CN B2007100571436 A CNB2007100571436 A CN B2007100571436A CN 200710057143 A CN200710057143 A CN 200710057143A CN 100465574 C CN100465574 C CN 100465574C
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Abstract
The invention discloses a new structure of bridgewire welded joint of electric detonator fire-taking structure. cut it open along the axis direction the forward section in lines, section trajectory and axes of footwire forms an angle of beta which is smaller than 13; or cut the forward section along the direction of axes of footwire and make pre- preparation status of footwire welded joint a 'V' shaped cut whose angle is alpha whose range is between 25degree and 65degree; level length of section trajectory is 2.5 times more than footwire's diameter, upright depth of section trajectory is 1/2 less than footwire's diameter; when welding the footwire, bridgewire at the position which has a distance of L1 to the cut root is welded with footwire together; when using resistance welding craft, L1 is 20 times more than bridgewire diameter; when using ultrasonic welding, L1 is 10 times more than bridgewire diameter. At the same time, The invention also discloses a welding adaptive for bridgewire welded joint. This invention simplifies the prefabrication craft of bridgewire welded joint and welding production craft, which creates rational welding condition for actualization of bridgewire resistance welding craft and supersonic wave welding craft.
Description
Technical field
The invention relates to the structure and the manufacture craft thereof of commercial electric detonator firing device, more particularly, the invention relates to the structure and the manufacture craft thereof of commercial electric detonator priming device bridge wire bond joint.
Background technology
At present, the commercial electric detonator firing device of known resistance-welding process welding comprises Rigid powder head firing device, evolution type Rigid powder head firing device and elasticity medicine head firing device.Rigid powder head priming device bridge wire bond connects technology as Figure 1-1, and its processing technology generally includes essence and is washed into type, and------------the bridge wire bond connects, and------------sticky hair gunpowder head---is dried the flow process of---bridge cut-off silk substrate and sealing plug injection moulding---bridge silk substrate and payment to a porter welding to bridge cut-off silk substrate to disconnected unnecessary bridge silk in the bridge wire resistance detection in the bridge silk compacting of threading in the end bending to decide bridge apart from processing.The technical process that evolution type Rigid powder head firing device and elasticity medicine head priming device bridge wire bond connect all comprises the payment to a porter blanking basically shown in Fig. 1-2 and Fig. 1-3------injection moulding---------several bending---the bridge silk compacting of threading---flow process of welding of pin silk that pin silk front end trims that the pin silk flattens that payment to a porter tangles.Must before connecing, the bridge wire bond carry out the comparatively complicated prefabricated process of welding point in above-mentioned each technological process to bridge silk substrate or pin silk welding ends, be after the bridge silk weld zone of bridge silk substrate or pin silk front end all passes through for several times bending and forming earlier, again the bridge silk be clamped in the prefabricated process of joint of pin silk or bridge silk substrate flex area root.
The structure of the prefabricated pattern of bridge wire bond joint that the above-mentioned technological process of process processes is shown in Fig. 1-4, and the bridge silk 10 of intending welding is positioned at the root of pin silk 20 bending overlay regions, and pastes mutually with the inboard wrinkling bossing 30 of flex area.The welding point of this structure mainly has the following disadvantages: the production process relative complex; The microscopic pattern in district of being shaped exists than big-difference, and it is very big that the Energy distribution state of this difference weld zone during to welding and bridge wire bond connect the quality stability influence degree; The joint geometry of intending welding is a short-circuit bridges root large thickness ratio filament laminated construction, structural shape does not possess the operation weldability condition of resistance-welding process necessity, promptly stablize the welding pressure parameter and need overcome the indefinite reaction of bearing effect in bending crush lobe position, welding shunting by the bridge silk forms stable metallurgical binding with the pin silk so known resistance-welding process method and technology condition are difficult to guarantee the bridge silk because of indefinite the playing pendulum of contact resistance of bridge silk and pin silk in welding point; The welding quality dispersion of bridge wire bond joint is big, the homogeneity of bridge wire bond joint resistance to corrosion, the long-time stability of bridge wire resistance resistance and the safety in utilization of electric cap product etc. all are difficult to increase substantially.
At present, resistance-welding process is the leading technology of greatly developing in the bridge wire of electric detonator welding in the world.Up to now, no brazing flux bridge wire bond at the commercial electric detonator firing device connects in the technology, also do not use the ultrasonic welding process technology, its main cause is: the prefabricated pattern of above-mentioned bridge wire bond joint of available technology adopting can't realize in the ultrasonic welding process the stable necessary process conditions of exerting pressure of the welding object in the weld zone.Because of the product design structural shape is limit, have the following disadvantages with the bridge wire bond joint of above-mentioned product structure pattern and the production of bridge wire resistance technique for welding: structural shape does not possess the operation weldability condition of ultrasonic welding process necessity; Resistance-welding process is a welding process, pin silk zinc coat in the weld zone produces zinc scaling loss, zinc evaporation and the zinc phenomenons such as adhesion to electrode under the elevated temperature heat ringing, form the no zinc district of certain width in bridge silk both sides, reduce the corrosion resistance of bridge wire bond joint.
Summary of the invention
At the prior art problem, the invention provides with a kind of novel electric detonator priming device bridge wire bond and connect the pairing bridging fibril welding procedure of electric detonator firing device of the prefabricated pattern of joint design, thereby the precasting process and the welding production technology of bridge wire bond joint have been simplified, for rational operation weldability condition is created in the enforcement of bridge wire resistance welder skill and ultrasonic welding process.
In order to solve the above-mentioned technical problem in prior art jackshaft silk electric resistance welding and the supersonic welding, bridging fibril welding procedure of electric detonator firing device of the present invention may further comprise the steps: the payment to a porter blanking; Payment to a porter tangles; Injection moulding; Dissect the pin silk: with pin silk axioversion direction the pin silk is being cut open, the described horizontal length that dissects trajectory is L, and the described vertical depth that dissects track is H, and after dissecing, the opening angle that dissects the position is α, thereby forms a v-notch on the pin silk; The bridge wire bond of threading connects: the bridge silk embeds the above-mentioned middle part, v-notch gap that the back forms of dissecing, and the V-type perk is partly resetted, and the body of cutting the position open with bridge silk and pin silk again is welded as a whole; The unnecessary pin silk part of excision bridge silk front end.
Bridging fibril welding procedure of electric detonator firing device of the present invention, wherein, the pin filament diameter of described horizontal length L 〉=2.5 of dissecing track times dissects the vertical depth H≤1/2 pin filament diameter of track; The number of degrees scope at described α angle is: 25 °≤α≤55 °; The angle that dissects trajectory and pin silk axis is β, β≤13 °.When described bridge wire bond connect, bridge silk position and pin wire bond apart from otch root distance L 1 in otch was connected together, when adopting resistance-welding process, and L1 〉=20 times bridge filament diameter.
The joint that adopts above-mentioned electric detonator priming device bridge wire bond to connect, its structure is: pin silk front end is favoured pin silk axial direction cut open, bridge wire bond joint pre-preparation state is a v-notch, and the opening angle of described v-notch is α.
Another technical scheme that bridging fibril welding procedure of electric detonator firing device of the present invention is achieved and above-mentioned technology difference are: dissect the pin silk: axially cut the pin silk open along the pin silk, the described horizontal length that dissects trajectory is L, after dissecing, the opening angle that dissects the position is α, thereby forms a v-notch on the pin silk.Wherein, the pin filament diameter of described horizontal length L 〉=2.5 of dissecing track times dissects the vertical depth H≤1/2 pin filament diameter of track; The number of degrees scope at described α angle is: 30 °≤α≤65 °.The joint that adopts this electric detonator priming device bridge wire bond to connect, its structure is: pin silk front end edge pin silk is axially cut open, and bridge wire bond joint pre-preparation state is a v-notch, and the opening angle of described v-notch is α.
In addition, when adopting ultrasonic bonding, bridge silk position and pin wire bond apart from otch root distance L 1 in otch is connected together L1 〉=10 times bridge filament diameter.
Compared with prior art, the beneficial effect that the present invention had is:
(1) compares with the Rigid powder head electric detonator igniting device, do not need to utilize the high accuracy die cutting die that zinc-plated thin steel band is made into bridge silk substrate earlier and technical process such as the welding point of a series of complexity is prefabricated thereafter, for the bridge wire bond connects the rational operation weldability condition of creating, can increase substantially welding quality, the simplification production technology of bridge wire connection head and reduce the technology cost, be of value to the safety in utilization that the electrochemically resistant that improves bridge wire bond joint is learned corrosive power and product;
(2) compare with evolution type Rigid powder head electric detonator igniting device, a series of joint precasting process processes such as the flattening of pin silk front end and bending have for several times been cancelled, for the bridge wire bond connects the rational operation weldability condition of creating, can increase substantially welding quality, the simplification production technology of bridge wire connection head and reduce the technology cost, be of value to the safety in utilization that the electrochemically resistant that improves bridge wire bond joint is learned corrosive power and product;
(3) compare with elasticity medicine head electric detonator igniting device, a series of joint precasting process processes such as the flattening of pin silk front end and bending have for several times been cancelled, for the bridge wire bond connects the rational operation weldability condition of creating, can increase substantially welding quality, the simplification production technology of bridge wire connection head and reduce the technology cost, be of value to the safety in utilization that the electrochemically resistant that improves product is learned corrosive power and product;
(4) cancelled existing Rigid powder head electric detonator igniting device produce in the secondary welding technical process of payment to a porter and bridge silk substrate, eliminated the process procedure that may occur waste product once more;
(5) the pin silk dissects the welding point design of structural shape in two kinds of technical schemes of the present invention, be bridge wire resistance welder skill and ultrasonic welding process and created good process implementing condition, except that having simplified deliver a child production. art and further improving the bridge wire resistance resistance accuracy grade of bridge wire bond, the metallurgical binding characteristic of bridge wire bond joint be can fully guarantee, and the electrochemically resistant corrosive power of bridge wire bond joint and the safety in utilization of product increased substantially.
(6) can directly utilize the prefabricated pattern of bridge wire bond joint provided by the invention to carry out the ultrasonic bonding of bridge silk, further improve the corrosion resistance of bridge wire bond joint.
Description of drawings
Fig. 1-the 1st, prior art Rigid powder head bridging fibril welding procedure of electric detonator firing device schematic flow sheet;
Fig. 1-2 is a prior art evolution type Rigid powder head bridging fibril welding procedure of electric detonator firing device schematic flow sheet;
Fig. 1-the 3rd, prior art elasticity medicine head bridging fibril welding procedure of electric detonator firing device schematic flow sheet;
Fig. 1-the 4th, prior art igniter wire welding joint structure enlarged diagram;
Fig. 2-the 1st, the process flow diagram of the bridging fibril welding procedure of electric detonator firing device first technical scheme specific embodiment one of the present invention;
Fig. 2-the 2nd, the process flow diagram of the bridging fibril welding procedure of electric detonator firing device first technical scheme specific embodiment two of the present invention;
Fig. 2-3, Fig. 2-4 and Fig. 2-5 are respectively that the pin silk dissects partial enlarged drawing with the welding position in first technical scheme;
Fig. 3-the 1st, the process flow diagram of the bridging fibril welding procedure of electric detonator firing device second technical scheme specific embodiment one of the present invention;
Fig. 3-the 2nd, the process flow diagram of the bridging fibril welding procedure of electric detonator firing device second technical scheme specific embodiment two of the present invention;
Fig. 3-3, Fig. 3-4 and Fig. 3-5 are respectively that the pin silk dissects partial enlarged drawing with the welding position in second technical scheme.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done to describe in further detail.
Shown in Fig. 2-1, Fig. 2-2, Fig. 2-3, Fig. 2-4 and Fig. 2-5, bridging fibril welding procedure of electric detonator firing device of the present invention may further comprise the steps: the payment to a porter blanking; Payment to a porter tangles; Injection moulding; Dissect the pin silk: the pin silk is being cut open with pin silk axioversion direction, the described horizontal length that dissects trajectory is L, the described vertical depth that dissects track is H, after dissecing, the opening angle that dissects the position is α, thereby form a v-notch on the pin silk, its face shaping is sharp-pointed " hangnail " pattern; The bridge wire bond of threading connects: the bridge silk embeds the above-mentioned middle part, v-notch gap that the back forms of dissecing, and V-type perk part (i.e. " hangnail ") is resetted, and the body of cutting the position open with bridge silk and pin silk again is welded as a whole, shown in Fig. 2-4; The unnecessary pin silk part of excision bridge silk front end is shown in Fig. 2-5.
Adopt the joint design of above-mentioned bridging fibril welding procedure of electric detonator firing device to be: pin silk front end is favoured pin silk axial direction cut open, bridge wire bond joint pre-preparation state is a v-notch, and the opening angle of described v-notch is α.That is: the joint that connects of bridge wire bond is sharp-pointed " hangnail " pattern, shown in Fig. 2-3.
Shown in Fig. 3-1, Fig. 3-2, Fig. 3-3, Fig. 3-4 and Fig. 3-5, another technical scheme that bridging fibril welding procedure of electric detonator firing device of the present invention is achieved and above-mentioned technology difference are: dissecing in the pin silk step is axially to cut the pin silk open along the pin silk, the described horizontal length that dissects trajectory is L, after dissecing, the opening angle that dissects the position is α, thereby form a v-notch on the pin silk, its face shaping is " hangnail " pattern of a tack, shown in Fig. 3-3.
The formed joint design of second technical scheme that adopts bridge wire bond of the present invention to connect technology is: pin silk front end edge pin silk is axially cut open, and bridge wire bond joint pre-preparation state is a v-notch, and the opening angle of described v-notch is α.That is: the joint that connects of bridge wire bond is " hangnail " pattern of a tack, shown in Fig. 3-3.
Above-mentioned two kinds of bridge wire bonds connect the technology difference and mainly are: the method for prefabricating of bridge filament welding end has adopted the different modes of dissecing, that is: " hangnail " dissectd the pin silk of type electric detonator igniting device, what adopt is that cutting edge dissects the movement locus of pin silk and the pin silk axis angle that tilts, and the pin silk outward appearance after cutting open is sharp-pointed " hangnail " shape; End face axial is dissectd the pin silk of type electric detonator igniting device, employing be that the movement locus that cutting edge dissects the pin silk is parallel to pin silk axis, the pin silk is cut the opening of back in the formations-perk of pin silk front end open, the pin silk outward appearance of cutting mouth open is " hangnail " shape of a tack.This shows, the present invention with the fundamental difference of electric detonator priming device bridge wire bond joint method for prefabricating of the prior art is: the prefabricated shape of welding point is different, in the existing electric resistance welding bridge wire bond joint prefabricating technique front end of bridge silk substrate or pin silk is all taked the PROCESS FOR TREATMENT mode of bending and forming for several times, and pin silk front end of the present invention is to utilize cutting edge directly to cut the pin silk open by the different angles of dissecing.The effect that the pin silk adopts sharp-pointed " hangnail " to dissect pattern or end face dissects (that is: tack " hangnail " dissects) pattern is: outer surface stretches and inner surface compresses wrinkling natural characteristic when being metal folding, the nest district slightly larger in diameter of the wrinkling formation of inner surface during the bending of pin silk is in the pin filament diameter, nest district upper and lower surface not only constitutes bigger and indefinite reaction of bearing to the enforcement of welding pressure in bridge wire bond termination process, the stability of contact resistance between bridge silk and the surface, nest district when also directly influence is welded simultaneously, contact resistance is the most important welding condition in the resistance-welding process process between welding pressure and bridge silk and the surface, nest district, welding pressure also is the most important welding condition in the supersonic welding technical process, utilize the pin silk of two kinds of technical schemes provided by the invention to dissect pattern, the stable various adverse effects of welding parameter when not existing pin silk bending technique median fovea district that the bridge wire bond is connect.
The electric detonator priming device bridge wire bond that the present invention proposes connects the corresponding full manufacture craft flow process of bridge wire bond joint of end structure design shown in Fig. 2-4 and Fig. 3-4.The bridge silk of electric detonator igniting device is that position and the pin wire bond apart from otch root certain distance L 1 is connected together in otch.This shows, the fundamental difference of joint method for prefabricating is when connecing with electric detonator priming device bridge wire bond of the prior art: the position when the bridge wire bond connects in joint is different, position when existing electric detonator priming device bridge wire bond connects in joint is the root that is in the joint flex area, and bridge silk of the present invention to be position and pin wire bond in distance joint otch root certain distance L 1 be connected together.When the bridge wire bond being set as stated above connecing in joint the effect of position be: it is short-circuit bridges root large thickness ratio filament laminated construction that the bridge wire bond of existing resistance-welding process connects joint geometry, bridge silk and short-circuit bridges root are maintained a certain distance, just may guarantee to weld the stability of shunt current and welding quality, the present invention takes the position of bridge flight lead otch root certain distance L 1 to carry out the stability that the bridge wire bond connects welding shunt current in the time of can guaranteeing that the bridge wire bond connects.
The present invention is prefabricated at the bridge wire bond joint that sharp-pointed " hangnail " shown in Fig. 2-3 and Fig. 2-4 dissects pattern, preferably guarantees the horizontal length L 〉=2.5 times pin filament diameter dissect, and the vertical depth H optimum value of dissecing is≤1/2 pin filament diameter; The opening angle that preferably guarantees to dissect the position is between 25 °≤α≤55 °, and the movement locus line when dissecing cutting edge and dissecing the pin silk and the angle of pin silk axis be best≤13 °; The bridge wire bond connects when adopting resistance-welding process, and the position of bridge silk in otch preferably guarantees 1 〉=20 times of bridge filament diameter of distance L apart from the otch root.The present invention the end face axial shown in Fig. 3-3 and Fig. 3-4 dissect pattern (that is: welding point be tack " hangnail " and shape) bridge wire bond joint prefabricated, preferably guarantee axially to dissect degree of depth L 〉=2.5 times pin filament diameter, and preferably along or dissect near pin silk longitudinal center line; The opening angle that preferably guarantees to dissect the position is between 30 °≤β≤65 °; When resistance-welding process was adopted in welding, the position of bridge silk in otch preferably guaranteed 1 〉=20 times of bridge filament diameter of distance L apart from the otch root.
Among the present invention, when adopting ultrasonic bonding, the position of bridge silk in otch preferably guarantees 1 〉=10 times of bridge filament diameter of distance L apart from the otch root.
Although in conjunction with the accompanying drawings the present invention has been carried out foregoing description; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; under the situation that does not break away from aim of the present invention and claim institute protection domain, can also make a lot of distortion, these all belong to the row of protection of the present invention.
Claims (10)
1. a bridging fibril welding procedure of electric detonator firing device is characterized in that, may further comprise the steps:
The payment to a porter blanking; Payment to a porter tangles; Injection moulding;
Dissect the pin silk: with pin silk axioversion direction the pin silk is being cut open, the described horizontal length that dissects trajectory is L, and the described vertical depth that dissects track is H, and after dissecing, the opening angle that dissects the position is α, thereby forms a v-notch on the pin silk;
The bridge wire bond of threading connects: the bridge silk embeds the above-mentioned middle part, v-notch gap that the back forms of dissecing, and the V-type perk is partly resetted, and the body of cutting the position open with bridge silk and pin silk again is welded as a whole;
The unnecessary pin silk part of excision bridge silk front end.
2. bridging fibril welding procedure of electric detonator firing device according to claim 1 is characterized in that, the pin filament diameter of described horizontal length L 〉=2.5 of dissecing track times dissects the vertical depth H≤1/2 pin filament diameter of track; The number of degrees scope at described α angle is: 25 °≤α≤55 °; The angle that dissects trajectory and pin silk axis is β, β≤13 °.
3. bridging fibril welding procedure of electric detonator firing device according to claim 1 is characterized in that, described bridge wire bond connects when adopting resistance-welding process, and bridge silk position and pin wire bond apart from otch root distance L 1 in otch is connected together L1 〉=20 times bridge filament diameter.
4. bridging fibril welding procedure of electric detonator firing device according to claim 1 is characterized in that, described bridge wire bond connects when adopting ultrasonic bonding, and bridge silk position and pin wire bond apart from otch root distance L 1 in otch is connected together L1 〉=10 times bridge filament diameter.
5. one kind is adopted the structure of electric detonator priming device bridge wire bond joint according to claim 1, it is characterized in that: pin silk front end is favoured pin silk axial direction cut open, bridge wire bond joint pre-preparation state is a v-notch, and the opening angle of described v-notch is α.
6. a bridging fibril welding procedure of electric detonator firing device is characterized in that, may further comprise the steps:
The payment to a porter blanking; Payment to a porter tangles; Injection moulding;
Dissect the pin silk: axially cut the pin silk open along the pin silk, the described horizontal length that dissects trajectory is L, and after dissecing, the opening angle that dissects the position is α, thereby forms a v-notch on the pin silk;
The bridge wire bond of threading connects: the bridge silk embeds the above-mentioned middle part, v-notch gap that the back forms of dissecing, and the V-type perk is partly resetted, and the body of cutting the position open with bridge silk and pin silk again is welded as a whole;
The unnecessary pin silk part of excision bridge silk front end.
7. bridging fibril welding procedure of electric detonator firing device according to claim 6 is characterized in that, the pin filament diameter of described horizontal length L 〉=2.5 of dissecing track times dissects the vertical depth H≤1/2 pin filament diameter of track; The number of degrees scope at described α angle is: 30 °≤α≤65 °.
8. bridging fibril welding procedure of electric detonator firing device according to claim 6 is characterized in that, described bridge wire bond connects when adopting resistance-welding process, and bridge silk position and pin wire bond apart from otch root distance L 1 in otch is connected together L1 〉=20 times bridge filament diameter.
9. bridging fibril welding procedure of electric detonator firing device according to claim 6 is characterized in that, described bridge wire bond connects when adopting ultrasonic bonding, and bridge silk position and pin wire bond apart from otch root distance L 1 in otch is connected together L1 〉=10 times bridge filament diameter.
10. an employing is as the structure of electric detonator priming device bridge wire bond joint as described in the claim 6, and it is characterized in that: pin silk front end edge pin silk is axially cut open, and bridge wire bond joint pre-preparation state is a v-notch, and the opening angle of described v-notch is α.
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| CNB2007100571436A CN100465574C (en) | 2007-04-13 | 2007-04-13 | Bridging fibril welding procedure of electric detonator firing device and joint structure thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101486138B (en) * | 2009-02-09 | 2011-06-08 | 顾扬 | Prefabrication device for welding electric detonator priming device bridge wire and technique thereof |
| CN101694366B (en) * | 2009-10-16 | 2013-01-09 | 天津市扬帆科技开发有限公司 | Manufacturing process of electric detonator igniting device and foil-filled igniter wire welding joint structure |
| CN103017618B (en) * | 2012-12-26 | 2016-01-20 | 贵州久联民爆器材发展股份有限公司 | A kind of loading wire of electric detonator plastic plug and injection moulding process thereof |
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