CN103009554A - Injection molding method and injection molding mold of plastic plug of electric detonator leg wire - Google Patents
Injection molding method and injection molding mold of plastic plug of electric detonator leg wire Download PDFInfo
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- CN103009554A CN103009554A CN2012105758897A CN201210575889A CN103009554A CN 103009554 A CN103009554 A CN 103009554A CN 2012105758897 A CN2012105758897 A CN 2012105758897A CN 201210575889 A CN201210575889 A CN 201210575889A CN 103009554 A CN103009554 A CN 103009554A
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- plastic plug
- electric detonator
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Abstract
The invention discloses an injection molding method and an injection molding mold of a plastic plug of an electric detonator leg wire. According to the method, the layered injection molding of the plastic plug of the electric detonator leg wire is completed by the injection molding mold consisting of an inner core mold and an outer core mold. The concrete method comprises the steps of firstly, finishing injection molding of the plastic plug inner core of the electric detonator leg wire by the inner core mold; and then finishing injection molding of the plastic plug outer core of the electric detonator leg wire by the outer core mold so as to tightly wrap the inner core injected by the outer core in advance. The injection molding mold comprises the outer core mold and the inner core mold; the outer core mold is composed of an outer core upper die and an outer core lower die; at least one outer core cavity is arranged inside the outer core mold; the inner core mold is composed of an inner core upper die and an inner core lower die; and at least one inner core cavity is arranged inside the inner core mold. Two times of injection molding of the plastic plug are realized by the inner core mold and the outer core mold; the resistance to tension of the plastic plug of the electric detonator leg wire is improved; the waterproof property of the plastic plug is improved; the stability of the electric detonator is enhanced; and the injection molding mold can meet the blasting requirements under a severe environment and in water, and achieves reliable application of the electric detonator.
Description
Technical field
The invention belongs to the industrial explosive material production field, particularly relate to a kind of loading wire of electric detonator plastic plug injection moulding process and injection mold thereof.
Background technology
As everyone knows, traditional electric cap plastic plug is injected into the in-mould decoration mode, and injection mold is regardless of inner core die and outer core, and the main raw material(s) of plastic plug is the high density low-pressure polyethylene.Adopt high density low-pressure polyethylene material through the detonator payment to a porter plastic plug of an injection molded when reality is used, bad mechanical property, ventilative poor, yielding, easily aging, easy embrittlement, easy stress cracking, electric cap tension and waterproof ability that the conventional plastic plug is made are poor, especially when the depth of water reaches use under water more than 10 meters, water resistance sharply descends, and can not adapt to the requirement of Blasting in deep water, uses limitation also very large in the bursting work under the adverse circumstances.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of loading wire of electric detonator plastic plug injection mold, the plastic plug that uses this mould to produce, can improve waterproof and the tensile property of plastic plug, strengthen the stability of electric cap, realize that electric cap at the reliability application of adverse circumstances and underwater demolition, provides powerful support for for blasting engineering provides.
A kind of loading wire of electric detonator plastic plug injection moulding process of the present invention, the injection mold that employing is comprised of Internal core mould and outer core mold is finished the layering injection moulding of loading wire of electric detonator plastic plug, its concrete grammar is, adopt first Internal core mould to finish the injection moulding of loading wire of electric detonator plastic plug inner core, adopt again outer core mold to finish the injection moulding of the outer core of loading wire of electric detonator plastic plug, the inner core of injection formed tightly wraps to make outer core incite somebody to action in advance, can not produce lamination.
As another object of the present invention, a kind of loading wire of electric detonator plastic plug injection mold is provided, comprise outer core mold and Internal core mould, described outer core mold is comprised of outer core patrix and outer core counterdie, be provided with outside at least one outer core pattern chamber in the core mold, described Internal core mould is comprised of inner core patrix and inner core counterdie, is provided with at least one inner core die cavity in Internal core mould.
Described outer core pattern chamber comprises the tight port part of outer core pattern chamber plush copper and outer core pattern chamber, and outer core pattern chamber plush copper is square toes or round end, and the tight port part length dimension in outer core pattern chamber is 7～12mm.
Described outer core patrix comprises baffle plate on the outer core and is arranged on the outer core outer core patrix cavity plate outwardly on the baffle plate, be provided with at least one upper outside core pattern chamber in the outer core patrix cavity plate, be provided with outer core injecting hole with corresponding position, upper outside core pattern chamber on the baffle plate on the outer core.
Described outer core counterdie comprises baffle plate under the outer core and is arranged under the outer core outer core counterdie cavity plate outwardly on the baffle plate, be provided with the lower outside core pattern chamber that is complementary with upper outside core pattern chamber in the described outer core counterdie cavity plate, in use, described lower outside core pattern chamber and upper outside core pattern chamber can be combined into a complete outer core pattern chamber.
Be respectively equipped with outer core installing hole on the described outer core under baffle plate and the outer core on the baffle plate.
Described outer core counterdie cavity plate is provided with the groove that is complementary with outer core patrix cavity plate, so that outer core patrix is installed the location.
Described inner core patrix comprises baffle plate on the inner core and is arranged on the inner core inner core patrix cavity plate outwardly on the baffle plate, be provided with inner core die cavity at least one in the inner core patrix cavity plate, on baffle plate on the inner core, be provided with the inner core injecting hole with upper inner core die cavity corresponding position.
Described inner core counterdie comprises baffle plate under the inner core and is arranged under the inner core inner core counterdie cavity plate outwardly on the baffle plate, be provided with the lower belly core chamber that is complementary with upper inner core die cavity in the described inner core counterdie cavity plate, in use, described lower belly core chamber and upper inner core die cavity can be combined into a complete inner core die cavity.
Be respectively equipped with the inner core die installing hole on the described inner core under baffle plate and the inner core on the baffle plate.
Described inner core counterdie cavity plate is provided with the groove that is complementary with inner core patrix cavity plate, so that the inner core patrix is installed the location.
The invention has the beneficial effects as follows:
Compared with prior art, the present invention by 2 injection mouldings, has increased frictional force and the resistance to tension of plastic plug by adopting the realization of Internal core mould and outer core mold to the injection molding of detonator payment to a porter plastic plug.Adopt injection mould processing plastic plug of the present invention, changed the mode of conventional plastic plug single injection-molded, water resistance and the tensile property of detonator plastic plug have greatly been improved, the stability of electric cap is improved, realized the reliability application of electric cap in adverse circumstances and underwater demolition, provided powerful support for for blasting engineering provides.
The plastic plug that adopts traditional handicraft to produce, the tensile property of its electric cap is loading 2.0kg, continues 1min, macroscopic movement and damage must not occur in sealing plug and payment to a porter; Adopt the plastic plug of mold injection of the present invention, the tensile property of its electric cap is loading 5.0kg, continues 1min, and macroscopic movement and damage must not occur for sealing plug and payment to a porter, and the anti-quiet pulling force of payment to a porter is not less than 196N.
The water repelling property that adopts the plastic plug electric cap of traditional handicraft injection moulding is to immerse in 1 meter depth of water, keeps 24 hours, and making Firing test after the taking-up can explode fully; The water repelling property that adopts the plastic plug electric cap of mold injection of the present invention is to immerse in 50 meters depth of waters, keeps 72 hours, makes Firing test after the taking-up and can explode fully.
Description of drawings
Fig. 1 is outer core mold structural representation of the present invention;
Fig. 2 is Internal core mould structural representation of the present invention;
Fig. 3 is outer core upper die structure schematic diagram of the present invention;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is outer core lower die structure schematic diagram of the present invention;
Fig. 6 is the B-B cutaway view of Fig. 5;
Fig. 7 is inner core upper die structure schematic diagram of the present invention;
Fig. 8 is the C-C cutaway view of Fig. 9;
Fig. 9 is inner core lower die structure schematic diagram of the present invention;
Figure 10 is the D-D cutaway view of Fig. 9.
Among the figure: baffle plate on the outer core of 1-, the outer core patrix cavity plate of 2-, the outer core installing hole of 3-, the outer core pattern chamber of 4-, the outer core injecting hole of 5-, the tight port part in the outer core pattern chamber of 6-, baffle plate under the outer core of 7-, the outer core counterdie cavity plate of 8-, the 9-groove, baffle plate on the 10-inner core, 11-inner core patrix cavity plate, 12-inner core die installing hole, 13-inner core die cavity, 14-inner core injecting hole, baffle plate under the 15-inner core, 16-inner core counterdie cavity plate, the upper outside core pattern of 17-chamber, the lower outside core pattern of 18-chamber, the upper inner core die cavity of 19-, belly core chamber under the 20-, the outer core pattern chamber of 21-plush copper.
The specific embodiment
Further describe technical scheme of the present invention below in conjunction with accompanying drawing, but that claimed scope is not limited to is described.
A kind of loading wire of electric detonator plastic plug injection moulding process of the present invention, the injection mold that employing is comprised of Internal core mould and outer core mold is finished the layering injection moulding of loading wire of electric detonator plastic plug, its concrete grammar is, adopt first Internal core mould to finish the injection moulding of loading wire of electric detonator plastic plug inner core, adopt again outer core mold to finish the injection moulding of the outer core of loading wire of electric detonator plastic plug, the inner core of injection formed tightly wraps to make outer core incite somebody to action in advance, can not produce lamination.
As shown in Figure 1 and Figure 2, a kind of loading wire of electric detonator plastic plug injection mold, comprise outer core mold and Internal core mould, described outer core mold is comprised of outer core patrix and outer core counterdie, be provided with outside at least one outer core pattern chamber 4 in the core mold, described Internal core mould is comprised of inner core patrix and inner core counterdie, is provided with at least one inner core die cavity 13 in Internal core mould.
Described outer core pattern chamber 4 comprises the tight port part 6 of outer core pattern chamber plush copper 21 and outer core pattern chamber, and outer core pattern chamber plush copper 21 is square toes or round end, and tight port part 6 length dimensions in outer core pattern chamber are 7～12mm.
Adopt technique scheme, by the outside plush copper that exceeds certain size than tight port part is set, not only can strengthen the resistance to tension of electric cap, but also can avoid plastic plug to slip in the capsule, when detonator encapsulates, obtain better sealing effectiveness, improve the water repelling property of detonator.
As shown in Figure 3, Figure 4, described outer core patrix comprises baffle plate 1 on the outer core and is arranged on the outer core outer core patrix cavity plate 2 outwardly on the baffle plate 1, be provided with at least one upper outside core pattern chamber 17 in the outer core patrix cavity plate 2, be provided with outer core injecting hole 5 with 17 corresponding positions, upper outside core pattern chamber on the baffle plate 1 on the outer core.
Such as Fig. 5, shown in Figure 6, described outer core counterdie comprises baffle plate 7 under the outer core and is arranged under the outer core outer core counterdie cavity plate 8 outwardly on the baffle plate 7, be provided with the lower outside core pattern chamber 18 that is complementary with upper outside core pattern chamber 17 in the described outer core counterdie cavity plate 8, in use, described lower outside core pattern chamber 18 and upper outside core pattern chamber 17 can be combined into a complete outer core pattern chamber 4.
Such as Fig. 3, shown in Figure 5, be respectively equipped with outer core installing hole 3 on the described outer core under baffle plate 1 and the outer core on the baffle plate 7.
As shown in Figure 6, described outer core counterdie cavity plate 8 is provided with the groove 9 that is complementary with outer core patrix cavity plate 2, so that outer core patrix is installed the location.
Such as Fig. 7, shown in Figure 8, described inner core patrix comprises baffle plate 10 on the inner core and is arranged on the inner core inner core patrix cavity plate 11 outwardly on the baffle plate 10, be provided with inner core die cavity 19 at least one in the inner core patrix cavity plate 11, on baffle plate on the inner core 10, be provided with inner core injecting hole 14 with upper inner core die cavity 19 corresponding positions.
Such as Fig. 9, shown in Figure 10, described inner core counterdie comprises baffle plate 15 under the inner core and is arranged under the inner core inner core counterdie cavity plate 16 outwardly on the baffle plate 15, be provided with the lower belly core chamber 20 that is complementary with upper inner core die cavity 19 in the described inner core counterdie cavity plate 16, in use, described lower belly core chamber 20 and upper inner core die cavity 19 can be combined into a complete inner core die cavity 13.
Such as Fig. 7, shown in Figure 9, be respectively equipped with inner core die installing hole 12 on the described inner core under baffle plate 10 and the inner core on the baffle plate 15.
As shown in figure 10, described inner core counterdie cavity plate 16 is provided with the groove 9 that is complementary with inner core patrix cavity plate 11, so that the inner core patrix is installed the location.
The method that adopts the present invention to make the loading wire of electric detonator plastic plug is: adopt respectively Internal core mould and outer core mold to carry out the layering injection moulding, adopt first Internal core mould that the inner core of loading wire of electric detonator plastic plug is injection molded into column type with duroplasts (PVC etc.), purpose is tension, the abrasion-resistance that strengthens the payment to a porter plastic plug.Adopt elastomeric material to finish the outer core injection moulding of loading wire of electric detonator plastic plug by outer core mold, the outer core in advance inner core of injection formed wraps again, and by the use of elastomeric material, improves the water resistance of detonator.
When adopting the present invention to process injection moulding loading wire of electric detonator plastic plug, first payment to a porter one end is evened up the inner core die cavity bayonet socket place that puts well at the inner core counterdie, make Internal core mould closed inner core patrix installing hole alignment inner core counterdie installing hole again; The Internal core mould that installs payment to a porter is put injection machine, aim at the screens line, the operation injection machine begins first injection moulding inner core operation.
After inner core injection moulding operation is complete, take off and open Internal core mould from injection machine, take out the plastic plug inner core of injection formed, level is put the outside bayonet socket place, outer core pattern chamber of core counterdie well, makes outer core mold closed the outer core counterdie installing hole of outer core mold installing hole alignment again; The outer core mold that installs first injection-moulded plastic plug inner core is put injection machine, aim at the screens line, the operation injection machine begins the outer core operation of second injection moulding.After injection moulding is complete, take off outer core mold, open and take out moulding, the injection moulding of loading wire of electric detonator plastic plug is namely finished.
Claims (10)
1. loading wire of electric detonator plastic plug injection moulding process, it is characterized in that: adopt the injection mold that is formed by Internal core mould and outer core mold to finish the layering injection moulding of loading wire of electric detonator plastic plug, its concrete grammar is, adopt first Internal core mould to finish the injection moulding of loading wire of electric detonator plastic plug inner core, adopt again outer core mold to finish the injection moulding of the outer core of loading wire of electric detonator plastic plug, the inner core of injection formed tightly wraps to make outer core incite somebody to action in advance, can not produce lamination.
2. realize the as claimed in claim 1 loading wire of electric detonator plastic plug injection mold of method for one kind, it is characterized in that: comprise outer core mold and Internal core mould, described outer core mold is comprised of outer core patrix and outer core counterdie, be provided with outside at least one outer core pattern chamber (4) in the core mold, described Internal core mould is comprised of inner core patrix and inner core counterdie, is provided with at least one inner core die cavity (13) in Internal core mould.
3. a kind of loading wire of electric detonator plastic plug injection mold according to claim 2, it is characterized in that: described outer core pattern chamber (4) comprises outer core pattern chamber plush copper (21) and the tight port part in outer core pattern chamber (6), outer core pattern chamber plush copper (21) is square toes or round end, and the tight port part in outer core pattern chamber (6) length dimension is 7～12mm.
4. a kind of loading wire of electric detonator plastic plug injection mold according to claim 2, it is characterized in that: described outer core patrix comprises baffle plate on the outer core (1) and is arranged at the upper outwardly outer core patrix cavity plate (2) of baffle plate on the outer core (1), be provided with at least one upper outside core pattern chamber (17) in the outer core patrix cavity plate (2), baffle plate on the outer core (1) is upper to be provided with outer core injecting hole (5) with corresponding position, upper outside core pattern chamber (17).
5. according to claim 2 or 4 described a kind of loading wire of electric detonator plastic plug injection molds, it is characterized in that: described outer core counterdie comprises baffle plate under the outer core (7) and is arranged at the upper outwardly outer core counterdie cavity plate (8) of baffle plate under the outer core (7), is provided with the lower outside core pattern chamber (18) that is complementary with upper outside core pattern chamber (17) in the described outer core counterdie cavity plate (8).
6. it is characterized in that: be respectively equipped with outer core installing hole (3) on the described outer core under baffle plate (1) and the outer core on the baffle plate (7) according to claim 4 or 5 described a kind of loading wire of electric detonator plastic plug injection molds.
7. according to claim 4 or 5 described a kind of loading wire of electric detonator plastic plug injection molds, it is characterized in that: described outer core counterdie cavity plate (8) is provided with the groove (9) that is complementary with outer core patrix cavity plate (2).
8. a kind of loading wire of electric detonator plastic plug injection mold according to claim 2, it is characterized in that: described inner core patrix comprises baffle plate on the inner core (10) and is arranged at the upper outwardly inner core patrix cavity plate (11) of baffle plate on the inner core (10), be provided with inner core die cavity (19) at least one in the inner core patrix cavity plate (11), baffle plate on inner core (10) is upper to be provided with inner core injecting hole (14) with upper inner core die cavity (19) corresponding position.
9. according to claim 2 or 8 described a kind of loading wire of electric detonator plastic plug injection molds, it is characterized in that: described inner core counterdie comprises baffle plate under the inner core (15) and is arranged at the upper outwardly inner core counterdie cavity plate (16) of baffle plate under the inner core (15), is provided with the lower belly core chamber (20) that is complementary with upper inner core die cavity (19) in the described inner core counterdie cavity plate (16).
10. it is characterized in that: be respectively equipped with inner core die installing hole (12) under baffle plate on the described inner core (10) and the inner core on the baffle plate (15) according to claim 8 or 9 described a kind of loading wire of electric detonator plastic plug injection molds; Described inner core counterdie cavity plate (16) is provided with the groove (9) that is complementary with inner core patrix cavity plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575889.7A CN103009554B (en) | 2012-12-26 | 2012-12-26 | Injection molding method and injection molding mold of plastic plug of electric detonator leg wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575889.7A CN103009554B (en) | 2012-12-26 | 2012-12-26 | Injection molding method and injection molding mold of plastic plug of electric detonator leg wire |
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| CN103009554A true CN103009554A (en) | 2013-04-03 |
| CN103009554B CN103009554B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210575889.7A Active CN103009554B (en) | 2012-12-26 | 2012-12-26 | Injection molding method and injection molding mold of plastic plug of electric detonator leg wire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030958A (en) * | 2017-04-27 | 2017-08-11 | 福建省民爆化工股份有限公司 | A kind of method for preparing new interior outer coding industrial detonator mark |
| CN108099144A (en) * | 2017-11-29 | 2018-06-01 | 南通超达装备股份有限公司 | A kind of motor casing mold with water cooling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2777482Y (en) * | 2005-03-17 | 2006-05-03 | 王继海 | Electric detonator foot wire |
| CN201034498Y (en) * | 2007-04-13 | 2008-03-12 | 顾扬 | Traveling fixture for producing electric detonator firing apparatus |
| CN101633076A (en) * | 2009-08-20 | 2010-01-27 | 北京维深数码科技有限公司 | Bridgewire welding device for novel digital electronic detonator |
| CN202048845U (en) * | 2011-04-25 | 2011-11-23 | 湖北东神楚天化工有限公司 | Special plastic injection-molded shell for detonating device |
-
2012
- 2012-12-26 CN CN201210575889.7A patent/CN103009554B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2777482Y (en) * | 2005-03-17 | 2006-05-03 | 王继海 | Electric detonator foot wire |
| CN201034498Y (en) * | 2007-04-13 | 2008-03-12 | 顾扬 | Traveling fixture for producing electric detonator firing apparatus |
| CN101633076A (en) * | 2009-08-20 | 2010-01-27 | 北京维深数码科技有限公司 | Bridgewire welding device for novel digital electronic detonator |
| CN202048845U (en) * | 2011-04-25 | 2011-11-23 | 湖北东神楚天化工有限公司 | Special plastic injection-molded shell for detonating device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030958A (en) * | 2017-04-27 | 2017-08-11 | 福建省民爆化工股份有限公司 | A kind of method for preparing new interior outer coding industrial detonator mark |
| CN108099144A (en) * | 2017-11-29 | 2018-06-01 | 南通超达装备股份有限公司 | A kind of motor casing mold with water cooling |
| CN108099144B (en) * | 2017-11-29 | 2023-12-29 | 南通超达装备股份有限公司 | Motor casing mould with water cooling function |
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| CN103009554B (en) | 2014-09-03 |
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Address after: 550000 Xintian Park, high tech Industrial Development Zone, Guiyang City, Guizhou Province Patentee after: Poly United Chemical Holding Group Co., Ltd Address before: 550001, Guiyang 372 North Road, Guizhou, Guizhou daily 18 floor, long union Technology Center, Baoshan Patentee before: GUIZHOU JIULIAN INDUSTRIAL EXPLOSIVE MATERIALS DEVELOPMENT Co.,Ltd. |