CN109269366B - Special transfer line for firing of impact piece detonator and injection molding method of lead plate of special transfer line - Google Patents
Special transfer line for firing of impact piece detonator and injection molding method of lead plate of special transfer line Download PDFInfo
- Publication number
- CN109269366B CN109269366B CN201811288604.5A CN201811288604A CN109269366B CN 109269366 B CN109269366 B CN 109269366B CN 201811288604 A CN201811288604 A CN 201811288604A CN 109269366 B CN109269366 B CN 109269366B
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- China
- Prior art keywords
- lead plate
- detonator
- plug
- base body
- injection molding
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C21/00—Checking fuzes; Testing fuzes
Abstract
The invention discloses a special adapter wire for igniting an impact piece detonator, which comprises a detonator and a lead plate, wherein the special adapter wire comprises a base inlay, a two-core socket and a plug, the base inlay is detachably connected with the two-core socket, the two-core socket is connected with the plug, the two-core socket is used for enabling the detonator and the lead plate to be always vertical, the base inlay is used for enabling the lead plate to be kept horizontal when being subjected to impact force, and the plug is communicated with an experimental socket.
Description
Technical Field
The invention relates to the field of novel electric connectors, in particular to an adapter wire special for igniting an impact piece detonator and an injection molding method of a lead plate of the adapter wire.
Background
The existing industrial detonator impact test is required to be tested in a special explosion box with heat insulation and pressure insulation, a lead plate and a test support are required to be kept vertical during the test, a detonator is placed in the center of the lead plate and is required to be kept vertical to the lead plate, the tail ends of detonator leg wires are respectively connected with one ends of connecting wires, a detonator resistance inspection instrument is used for inspecting the circuit before the test, and after the circuit is confirmed to be correct, the tail ends of the connecting wires are respectively connected to a detonation output end to detonate the electric detonator.
In the prior testing method, after the detonator leg wire is connected with the connecting wire, the connecting wire is connected from the explosion box and is connected with the output end of the detonating device, and in the connecting process, the on-off of the circuit is checked by an inspection instrument each time to judge whether the circuit is connected. In the whole wiring process, the short circuit, the open circuit and the risk that the voltage does not reach the standard exist in the circuit, so that the ignition is unsuccessful, and the test failure or the test effect is not achieved.
The detonator is required to be kept highly perpendicular to the lead plate during testing, which is not guaranteed by the whole set of equipment.
The lead plate is required to be horizontal during testing, but although the lead plate is placed horizontally in the whole device, the lead plate is not positioned when being impacted, and the lead plate cannot be ensured to be kept horizontal during the test.
In the explosion process of the detonator, most of energy needs to be ensured to act on the center of the lead plate, but the internal space of the detonator test explosion box in the prior art is larger, and most of energy of the detonator can be lost, so that test data is unreal.
The lead plate is extremely soft and easy to deform, and is easy to deform under high temperature and high pressure during injection molding in the mold, so that the lead plate is broken and inclined after injection molding; because the surface of the lead plate is uneven and the hardness of the lead plate is low, the lead plate cannot be turned flat by a conventional lathe, so that PEEK materials are paved on the front surface and the rear surface during injection molding, and the assembly is disqualified.
Disclosure of Invention
The present invention overcomes the deficiencies of the prior art and provides an embodiment in which problems are expected to be solved.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a special patch cord of impact piece detonator ignition, includes detonator and lead plate, its characterized in that, including base inlay, two core sockets and plug, the base inlay can dismantle the connection two core sockets, two core sockets connect the plug, two core sockets are used for making detonator and lead plate remain perpendicular all the time, the base inlay is used for making the lead plate remain level when receiving the impact force, the plug is put through with experimental socket.
Further, the plug is provided with a coaxial cable, one end of the coaxial cable is connected with the two-core socket, and the other end of the coaxial cable is connected with the plug.
Further, the plug comprises a shell, a mounting plate, a contact pin, a cover plate and a screw, wherein the contact pin is arranged in the mounting plate, and the screw is in threaded connection with the cover plate.
Further, the two-core socket comprises a first base body, jacks and a sleeve, wherein the jacks are arranged in the sleeve and are used for sleeving coaxial cables, and gaps formed between the sleeves are used for accommodating and fixing detonators.
Further, the base inlay includes a second base, the first base being removably attached to the second base, the second base being removably attached to the lead plate.
Further, the first base body is in threaded connection with the second base body, and the second base body is in threaded connection with the lead plate.
A lead plate injection molding method of a special adapter wire for igniting an impact sheet detonator is characterized in that a lead plate is subjected to injection molding twice, after the first injection molding, the lead plate is pressed into a positioning hole, two ring grooves enable an externally coated material to be tightly combined with a mold, the injection molding twice is carried out, in the process, the allowance of 0.5mm is reserved for the part of the size of the lead plate, and the lead plate is reprocessed and clamped on a lathe.
In summary, the invention has the following beneficial effects:
(1) The plug is connected with the test socket, so that ignition can be realized, the special socket connected with the detonator is manufactured by the two-core socket in-mold injection molding mode, the pressure resistance is excellent, the connection is stable and reliable, the ignition performance is excellent, and the qualification rate, the efficiency, the safety and the stability of the test are greatly improved;
(2) The base inlay ensures that the lead plate is horizontal and vertical to the detonator in the test process, and the lead plate can not run due to the impact force of the explosive in the test process, so that the impact position of the lead plate can be always kept unchanged, the stress point of the tested lead plate is unchanged, and the test data is more accurate and reliable;
(3) The base inlay has better saving test space, and not only it is more reliable to ignite, makes the energy of explosive all act on with test lead plate in addition, has improved experimental degree of accuracy, and this structure still can be used to the test of each model detonator, and the base inlay has fine fire-retardant thermal-insulated, has improved experimental security.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a partial cross-sectional view of the overall structure of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a plug according to an embodiment of the present invention;
FIG. 3 is a schematic view of a pin according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a two-core socket according to an embodiment of the present invention;
FIG. 5 is a partial cross-sectional view of a receptacle according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a base inlay of an embodiment of the present invention;
fig. 7 is a schematic view of an injection mold according to an embodiment of the present invention.
Reference numerals: 1. a detonator; 2. a lead plate; 3. a plug; 31. a housing; 32. a mounting plate; 33. a contact pin; 34. a cover plate; 35. a screw; 4. a coaxial cable; 5. a two-core socket; 51. a first substrate; 52. a jack; 53. a sleeve; 6. a base inlay; 61. a second substrate; 7. positioning holes; 8. two ring grooves.
Detailed Description
In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention.
The technical scheme of the embodiment of the invention will be described below with reference to the accompanying drawings.
Examples:
as shown in fig. 1, the special adapter wire for igniting the impact sheet detonator comprises a detonator 1 and a lead plate 2, and comprises a base inlay 6, a two-core socket 5 and a plug 3, wherein the base inlay 6 is detachably connected with the two-core socket 5, the two-core socket 5 is connected with the plug 3, the two-core socket 5 is used for enabling the detonator 1 and the lead plate 2 to be always vertical, the base inlay 6 is used for enabling the lead plate 2 to be kept horizontal when being subjected to impact force, and the plug 3 is communicated with an experimental socket.
As shown in fig. 2, specifically, the plug 3 is provided with a coaxial cable 4, one end of the coaxial cable 4 is connected to the two-core socket 5, and the other end of the coaxial cable 4 is connected to the plug 3.
As shown in fig. 3 and 4, the plug 3 includes a housing 31, a mounting plate 32, a pin 33, a cover plate 34 and a screw 35, the pin 33 is disposed in the mounting plate 32, the screw 35 is in threaded connection with the cover plate 34, the plug 3 is connected with a test socket, so that ignition can be performed, the plug is stable and reliable, a special socket connected with the detonator 1 is manufactured by the two-core socket 5 through an in-mold injection molding mode, the pressure resistance is excellent, the connection is stable and reliable, the ignition performance is excellent, and the qualification rate, the efficiency, the safety and the stability of a test are greatly improved.
The pin 33 is tin bronze QSn4-3, and the outer surface is plated with gold of 1.27um. Besides being superior to other modes in corrosion resistance, the gold-plated contact pin 33 also greatly improves the plugging times of products due to the characteristics of wear resistance, ductility and the like of gold, ensures that high contact force can be maintained after multiple plugging, further better ensures conductivity and signal continuity, has very high conductivity, and is more beneficial to wire bonding due to the design of the U-shaped groove of the contact pin 33.
The mounting plate 32 and the first substrate 51 are PBT, and have the following characteristics: a. mechanical properties: high strength, fatigue resistance, stable size, small creep deformation and little change under high temperature conditions; b. thermal aging resistance: the UL temperature index after the enhancement reaches 120-160 ℃; c. the load heat distortion temperature is up to 208 ℃; d. the medium strength is high.
The shell 31 and the cover plate 34 both use tin bronze QSn4-3, and the outer surface is plated with tin bronze 5um and zinc-containing tin bronze, so that the anti-wear performance and elasticity are high, the anti-magnetism is good, the anti-wear performance and the anti-wear performance can bear hot or cold pressure processing well, the anti-wear performance testing device is suitable for detonator 1 impact test, and the post-welding wire treatment is more facilitated after the outer surface is plated with tin.
As shown in fig. 5 and 6, the two-core socket 5 includes a first base 51, a jack 52 and a sleeve 53, the jack 52 is provided in the sleeve 53, the jack 52 is used for sleeving a coaxial cable, and a gap formed between the sleeves 53 is used for accommodating and fixing the detonator 1, so that the detonator 1 and the lead plate 2 are always kept in a vertical state, and the accuracy of experimental data is improved.
As shown in fig. 5 and 6, the base inlay 6 includes a second base body 61, the first base body 51 is detachably connected to the second base body 61, and the second base body 61 is detachably connected to the lead plate 2.
The base inlay 6 is made of polyether-ether-ketone, and the polyether-ether-ketone has good heat resistance, chemical stability and molding processability of thermoplastic plastics, can resist normal high temperature 260 ℃, can be used at 200 ℃ for a long time, can still keep higher tensile strength and flexural modulus at the temperature, and has excellent long-term creep resistance and fatigue resistance. The polyether-ether-ketone has excellent electrical insulation performance, volume resistivity of about 10-10 omega cm, good flame retardance, difficult combustion in a common environment, and low smoke generation and harmful gas release.
As shown in fig. 1, specifically, the first base body 51 is in threaded connection with the second base body 61, and the second base body 61 is in threaded connection with the lead plate 2, so that the level of the lead plate 2 and the verticality of the detonator 1 are ensured in the test process, when the test is performed, the lead plate 2 cannot be impacted by the explosive to run, the impact position of the lead plate 2 can be always kept unchanged, the stress point of the tested lead plate 2 is unchanged, and the test data is more accurate and reliable. And the base inlay 6 better saves test space, so that not only is the ignition more reliable, but also the whole energy of the explosive acts on the test lead plate 2, and the accuracy of the test is improved. The structure can be used for testing various types of detonators, and the base inserts have good flame retardance and heat insulation, so that the safety of the test is improved.
As shown in fig. 7, a lead plate injection molding method of an adapter wire special for firing an impact sheet detonator is provided, wherein the lead plate 2 is injection molded twice, after the first injection molding, the lead plate 2 is pressed into a positioning hole 7, two ring grooves 8 enable an externally coated material to be tightly combined with a mold, the two surfaces of the lead plate 2 are prevented from being paved by the material, in the process of the second injection molding, the allowance of 0.5mm is left for the part size of the lead plate 2, and the lead plate 2 is processed and clamped again on a lathe.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the invention.
Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present invention or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, which also falls within the scope of the present invention.
Claims (4)
1. The special adapter wire for igniting the impact piece detonator comprises a detonator (1) and a lead plate (2), and is characterized by comprising a base inlay (6), two core sockets (5) and a plug (3), wherein the base inlay (6) is detachably connected with the two core sockets (5), the two core sockets (5) are connected with the plug (3), the two core sockets (5) are used for enabling the detonator (1) and the lead plate (2) to be always vertical, the base inlay (6) is used for enabling the lead plate (2) to be kept horizontal when being impacted, and the plug (3) is communicated with an experimental socket;
the plug (3) is provided with a coaxial cable (4), one end of the coaxial cable (4) is connected with the two-core socket (5), and the other end of the coaxial cable (4) is connected with the plug (3);
the plug (3) comprises a shell (31), a mounting plate (32), a contact pin (33), a cover plate (34) and a screw (35), wherein the contact pin (33) is arranged in the mounting plate (32), and the screw (35) is in threaded connection with the cover plate (34);
the two-core socket (5) comprises a first base body (51), jacks (52) and a sleeve (53), wherein the jacks (52) are arranged in the sleeve (53), the jacks (52) are used for sleeving the coaxial cables (4), and gaps formed between the sleeve (53) are used for accommodating and fixing the detonators (1).
2. A patch cord for the ignition of a slapper detonator according to claim 1, characterized in that the base inlay (6) comprises a second base body (61), the first base body (51) being detachably connected to the second base body (61), the second base body (61) being detachably connected to the lead plate (2).
3. The patch cord for firing a slapper detonator according to claim 1, wherein the first base body (51) is screwed to a second base body (61), and the second base body (61) is screwed to the lead plate (2).
4. The lead plate injection molding method of the special adapter wire for firing the impact sheet detonator according to claim 1, wherein the lead plate (2) is subjected to injection molding twice, after the first injection molding, the lead plate (2) is pressed into the positioning hole (7), the two annular grooves (8) enable the material covered by the lead plate to be tightly combined with a mold, and in the process of the second injection molding, the allowance of 0.5mm is reserved for the part of the size of the lead plate (2), and the lead plate is processed and clamped again on a lathe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288604.5A CN109269366B (en) | 2018-10-31 | 2018-10-31 | Special transfer line for firing of impact piece detonator and injection molding method of lead plate of special transfer line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288604.5A CN109269366B (en) | 2018-10-31 | 2018-10-31 | Special transfer line for firing of impact piece detonator and injection molding method of lead plate of special transfer line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109269366A CN109269366A (en) | 2019-01-25 |
| CN109269366B true CN109269366B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811288604.5A Active CN109269366B (en) | 2018-10-31 | 2018-10-31 | Special transfer line for firing of impact piece detonator and injection molding method of lead plate of special transfer line |
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| Country | Link |
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| CN (1) | CN109269366B (en) |
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| US4727808A (en) * | 1984-08-23 | 1988-03-01 | China Metallurgical Import & Export Corporation | Non-primary explosive detonator |
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| CN1051245A (en) * | 1990-12-04 | 1991-05-08 | 北京理工大学 | The method and apparatus of testing output pressure of detonator |
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| US4727808A (en) * | 1984-08-23 | 1988-03-01 | China Metallurgical Import & Export Corporation | Non-primary explosive detonator |
| EP0289184A1 (en) * | 1987-04-30 | 1988-11-02 | Nippon Oil And Fats Company, Limited | Laser beam-detonable blasting cap |
| CN1051245A (en) * | 1990-12-04 | 1991-05-08 | 北京理工大学 | The method and apparatus of testing output pressure of detonator |
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| CN106403738A (en) * | 2016-11-24 | 2017-02-15 | 中国工程物理研究院总体工程研究所 | Cook-off test device for testing reaction level of slapper detonator with regard to high-temperature stimulation |
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| CN207662279U (en) * | 2017-11-03 | 2018-07-27 | 山东天宝化工股份有限公司 | A kind of blasting cap initiation energy force checking device |
| CN108534618A (en) * | 2018-06-14 | 2018-09-14 | 浙江物产光华民爆器材有限公司 | A kind of stab detonator test device and test method |
| CN209043133U (en) * | 2018-10-31 | 2019-06-28 | 绵阳市金华洋电器制造有限公司 | A kind of dedicated patchcord of Slapper detonator ignition |
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| CN109269366A (en) | 2019-01-25 |
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