CN114273533A - Point riveting method of single-angle electric detonator - Google Patents
Point riveting method of single-angle electric detonator Download PDFInfo
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- CN114273533A CN114273533A CN202111467944.6A CN202111467944A CN114273533A CN 114273533 A CN114273533 A CN 114273533A CN 202111467944 A CN202111467944 A CN 202111467944A CN 114273533 A CN114273533 A CN 114273533A
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- point riveting
- punch
- electric detonator
- slide block
- orifice
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005094 computer simulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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Abstract
The invention discloses a point riveting method of a single-angle electric detonator, which comprises the steps of assembling the electric detonator in an orifice of a slide block part → utilizing a punch to perform point riveting on the orifice of the slide block part to form eight point riveting points → utilizing the punch to perform point riveting on a side orifice of the slide block to form three point riveting points → testing and the like, the slide block is subjected to point riveting from two directions, the perfect and firm contact between the electric detonator and the slide block is ensured, the detection resistance value of the electric detonator after the point riveting is ensured to be between 4 and 7 ohms, the reliability of the point riveting is improved, and the yield is improved.
Description
Technical Field
The invention relates to an electric detonator used for initiating explosive devices, in particular to a point riveting method of a single-angle electric detonator.
Background
The unicolor electric detonator is provided with two electrodes, the shell is a negative electrode, the core electrode is a positive electrode, the unicolor electric detonator needs to be arranged in the slider hole during use, the outer cylindrical surface of the unicolor electric detonator is in clearance size fit with the slider hole, the electric detonator is convenient to be arranged in the slider hole safely and reliably, and the reliable contact and conduction of the electric detonator shell and the slider hole are ensured after point riveting. The electric detonator is an initiating explosive device and needs to be handled lightly, deformation is not allowed in the assembling process, and the assembling process has certain danger.
At present, the electric detonator point riveting process method of domestic military industry same-row enterprises is characterized in that a slide block part is fixed on a positioning seat of a point riveting tool, pressure is acted on a point riveting punch after a pneumatic press punch or a lever press punch moves in place, the point riveting punch is acted on the end face of an orifice of a slide block with certain pressure, the orifice of the slide block part is deformed, four point riveting points are formed, and an electric detonator is fixed in a hole of the slide block part.
According to the existing point riveting method, the electric detonator and the sliding block have the defects of unstable stability, the resistance value of the electric detonator is required to be tested by one percent between 4 and 7 ohms before assembly, the resistance value of the electric detonator is required to be tested by one percent between 4 and 7 ohms after point riveting, according to the point riveting process, the sliding block hole has the machining tolerance of 0.07mm, the outer diameter of the detonator has the manufacturing tolerance of 0.03mm, the yield of actual production reaches 95 percent, when the resistance value of the sliding block part is tested, the same part is tested for 3 times, the resistance value is always qualified for two times, the resistance value is not qualified for one time, and the reliability is low. During the test, the shell of the electric detonator is not communicated with the inner hole of the sliding block, so that the product cannot normally act. During the dynamic simulation test of the product, twenty six times of the simulation test are carried out, only one product is allowed to fail to normally function, and if two or more than two times of the simulation test are carried out, the whole batch of products (6600 times of the simulation test) cannot pass the product acceptance.
Disclosure of Invention
The invention aims to solve the technical problem of providing a point riveting method of a single-angle electric detonator, which can ensure that the electric detonator and a sliding block can be more firmly combined together and the product is qualified.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a point riveting method of a single-angle electric detonator comprises the following steps:
(1) gently loading the electric detonator into the orifice of the slider part and assembling in place;
(2) fixing the slide block part on an axial point riveting tool positioning seat, moving a pneumatic press punch or a lever press punch with four point riveting points in place for the axial point riveting tool, applying pressure on the point riveting punch, and applying the point riveting punch on the end face of the orifice of the slide block part under the pressure required by the process to deform the orifice of the slide block part to form four axial point riveting points to fix the electric detonator in the hole of the slide block part;
(3) after the axial point riveting tool lifts the punch of the pneumatic press or the punch of the lever press and rotates for 45 degrees, the point riveting tool moves the punch of the pneumatic press or the punch of the lever press in place, pressure acts on the point riveting punch, the point riveting punch acts on the end face of the orifice of the sliding block with the pressure required by the process to form four axial point riveting points, and thus the eight axial point riveting points deform the orifice of the sliding block part and fix the electric detonator in the hole of the sliding block part;
(4) fixing a sliding block part on a positioning seat of a radial point riveting tool, moving a punch of a pneumatic press or a punch of a lever press with three point riveting points of the radial point riveting tool in place, applying pressure on the point riveting punch, applying the point riveting punch on the end face of a side orifice of the sliding block with the pressure required by the process to deform a side orifice of the sliding block to form three radial point riveting points, and fixing an electric detonator in a hole of a sliding block part;
(5) and testing whether the resistance value of the electric detonator meets 4-7 ohms by using a detonator tester.
In the step 1, the end face of the electric detonator is 0.3-0.4 mm lower than the end face of the sliding block hole.
According to the single-angle electric detonator point riveting method designed by the technical scheme, the existing electric detonator point riveting method is improved, eight axial point riveting points are formed on the end surface of the opening of the sliding block to deform the opening of the sliding block part, three radial point riveting points are formed on the side surface of the sliding block to deform the side opening of the sliding block, the electric detonator is fixed in the hole of the sliding block part from two directions, the detection resistance value of the electric detonator after point riveting is ensured to be between 4 and 7 ohms, the reliability of point riveting is improved, and the yield is improved.
Drawings
FIG. 1 shows a schematic structural view of an electric detonator according to the present invention;
FIG. 2 is a schematic view of the slider of the present invention;
FIG. 3 is a schematic view of the slider after axial point riveting according to the present invention;
FIG. 4 is a schematic view of the slider after radial spot riveting;
fig. 5 shows a schematic view of a punch with four riveting points according to the invention.
Detailed Description
The following describes a method for riveting a single-angle electric detonator according to the present invention in detail with reference to the accompanying drawings.
Referring to fig. 1, the single-angle electric detonator 1 of the present invention has two electrodes, a shell 2 being a negative electrode and a core 3 being a positive electrode. Referring to fig. 2, the slider 4 of the invention is provided with a slider part orifice 5 for placing the single-angle electric detonator 1, the side surface of the slider 4 is provided with a slider side orifice 6, and the side surface of the slider 4 can be riveted by the slider side orifice 6. After point riveting, the shell 2 of the single-angle electric detonator 1 is ensured to be reliably contacted and conducted with the inner hole 5 of the sliding block 4. Referring to fig. 5, the end of the punch 9 adopted by the invention is provided with four point riveting points 10, and the four point riveting points 10 are uniformly distributed on the end surface of the punch 9.
The invention discloses a point riveting method of a single-angle electric detonator, which comprises the following steps:
(1) lightly loading the single-angle electric detonator 1 into the sliding block part orifice 5 of the sliding block 4, wherein the end face of the electric detonator 1 is 0.3-0.4 mm lower than the end face of the sliding block part orifice 5 of the sliding block 4, and ensuring the assembly in place;
(2) fixing the slide block 4 on an axial point riveting tool positioning seat, moving a pneumatic press punch with four point riveting points 10 or a lever press punch in place on the axial point riveting tool, applying pressure on the punch 9, applying the punch 9 on the end face of a slide block part orifice 5 of the slide block 4 with the pressure required by the process to deform the slide block part orifice 5, forming four axial point riveting points, and fixing the single-angle electric detonator 1 in the slide block part orifice 5 of the slide block 4;
(3) after the axial point riveting tool lifts the punch of the pneumatic press or the punch of the lever press and rotates for 45 degrees, the point riveting tool enables the punch 9 to move in place, pressure acts on the punch 9, the punch 9 acts on the end face of the orifice 5 of the slide block part of the slide block 4 with the pressure required by the process to form four axial point riveting points, and thus the orifice 5 of the slide block part of the slide block 4 is deformed by the eight axial point riveting points 7, and the single-angle electric detonator 1 is fixed in the orifice 5 of the slide block part of the slide block 4;
(4) fixing a slide block 4 on a positioning seat of a radial point riveting tool, moving a punch head of a pneumatic press or a punch head of a lever press with three point riveting points of the radial point riveting tool in place, applying pressure on the point riveting punch head, applying the point riveting punch head on the end surface of a slide block side hole 6 of the slide block 4 with the pressure required by the process to deform the slide block side hole 6 to form three radial point riveting points 8, and fixing the single-angle electric detonator 1 in a part hole of the slide block 4;
(5) and testing whether the resistance value of the single-angle electric detonator 4 meets 4-7 ohms by using the electric detonator tester.
The invention carries out point riveting on the sliding block 4 from two directions of the sliding block part orifice 5 and the sliding block side orifice 6 of the sliding block 4, thereby ensuring the perfect and firm contact between the single-angle electric detonator 1 and the sliding block 4. Through test tests, after the single-angle electric detonator 1 is subjected to point riveting, the detection resistance value is always between 4 and 7 ohms, and the point riveting has reliability.
Claims (2)
1. A point riveting method of a single-angle electric detonator is characterized by comprising the following steps:
(1) gently loading the electric detonator into the orifice of the slider part and assembling in place;
(2) fixing the slide block part on an axial point riveting tool positioning seat, moving a pneumatic press punch or a lever press punch with four point riveting points in place for the axial point riveting tool, applying pressure on the point riveting punch, and applying the point riveting punch on the end face of the orifice of the slide block part under the pressure required by the process to deform the orifice of the slide block part to form four axial point riveting points to fix the electric detonator in the hole of the slide block part;
(3) after the axial point riveting tool lifts the punch of the pneumatic press or the punch of the lever press and rotates for 45 degrees, the point riveting tool moves the punch of the pneumatic press or the punch of the lever press in place, pressure acts on the point riveting punch, the point riveting punch acts on the end face of the orifice of the sliding block with the pressure required by the process to form four axial point riveting points, and thus the eight axial point riveting points deform the orifice of the sliding block part and fix the electric detonator in the hole of the sliding block part;
(4) fixing a slide block part on a positioning seat of a radial point riveting tool, moving a punch head of a pneumatic press or a punch head of a lever press with three point riveting points of the radial point riveting tool in place, applying pressure on the point riveting punch head, applying the point riveting punch head on the end surface of a side hole opening of the slide block with the pressure required by the process to deform a side hole opening of the slide block to form three radial point riveting points, and fixing an electric detonator in a hole of a slide block part;
(5) and testing whether the resistance value of the electric detonator meets 4-7 ohms by using a detonator tester.
2. The method for riveting the single-angle electric detonator according to claim 1, wherein in the step (1), the end face of the electric detonator is 0.3-0.4 mm lower than the end face of the slider hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111467944.6A CN114273533B (en) | 2021-12-03 | 2021-12-03 | Point riveting method of single-angle electric detonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111467944.6A CN114273533B (en) | 2021-12-03 | 2021-12-03 | Point riveting method of single-angle electric detonator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114273533A true CN114273533A (en) | 2022-04-05 |
| CN114273533B CN114273533B (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111467944.6A Active CN114273533B (en) | 2021-12-03 | 2021-12-03 | Point riveting method of single-angle electric detonator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974738A (en) * | 2012-11-05 | 2013-03-20 | 苏州尚原工业技术有限公司 | Riveting point device with double air cylinders |
| DE202012012292U1 (en) * | 2012-12-28 | 2014-04-04 | Kmt Produktions + Montagetechnik Gmbh | Wobble or radial point riveting machine |
| CN207547436U (en) * | 2017-12-18 | 2018-06-29 | 福建双延兴业传动科技股份有限公司 | A kind of riveter |
| CN209217411U (en) * | 2019-01-08 | 2019-08-06 | 陕西益华电气股份有限公司 | A kind of riveting tool device |
| CN214683898U (en) * | 2021-04-15 | 2021-11-12 | 四川亚美动力技术有限公司 | Multi-point expanding and riveting assembly tool for aeronautical instrument |
-
2021
- 2021-12-03 CN CN202111467944.6A patent/CN114273533B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974738A (en) * | 2012-11-05 | 2013-03-20 | 苏州尚原工业技术有限公司 | Riveting point device with double air cylinders |
| DE202012012292U1 (en) * | 2012-12-28 | 2014-04-04 | Kmt Produktions + Montagetechnik Gmbh | Wobble or radial point riveting machine |
| CN207547436U (en) * | 2017-12-18 | 2018-06-29 | 福建双延兴业传动科技股份有限公司 | A kind of riveter |
| CN209217411U (en) * | 2019-01-08 | 2019-08-06 | 陕西益华电气股份有限公司 | A kind of riveting tool device |
| CN214683898U (en) * | 2021-04-15 | 2021-11-12 | 四川亚美动力技术有限公司 | Multi-point expanding and riveting assembly tool for aeronautical instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114273533B (en) | 2023-12-22 |
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