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Precise Cutting Device for Soft Metal Delay Cords Used in Industrial Delay Detonators

A technology for delay detonators and cutting devices, which is applied in the direction of detonators and offensive equipment, and can solve problems affecting the time accuracy and firing reliability of delay detonators, backward cutting technology, and large deformation of delay cables, so as to improve delay time accuracy and ignition reliability Non-flammable, non-loose drug surface, precise length effect

Active Publication Date: 2016-07-06
ZHEIANG WUCHAN GUANGHUA EXPLOSIVE MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the cutting process of soft metal delay cables in the civil explosive industry is backward. One end of the cut soft metal delay cables has a horseshoe shape and is uneven, which seriously affects the time accuracy and ignition reliability of the delay detonators.
Although there is a device for cutting both ends of the delay cable flattened by the equipment manufacturer, because the two knives are stressed at the same time when cutting the delay cable, the excessive force on the delay cable will cause the delay cable to deform greatly, and also make the surface of the medicine loose. At the same time, there is a waste of raw materials. big disadvantage

Method used

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  • Precise Cutting Device for Soft Metal Delay Cords Used in Industrial Delay Detonators
  • Precise Cutting Device for Soft Metal Delay Cords Used in Industrial Delay Detonators
  • Precise Cutting Device for Soft Metal Delay Cords Used in Industrial Delay Detonators

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The detonator uses a soft metal delay cord to accurately cut off the device, such as Figure 1 to Figure 3 As shown, it includes a guide fixed knife 1, a movable cutter 2 matched with the guide fixed knife 1, an index feeding tray 3 and a trimming knife 4 matched with the index feed tray 3, and the guide fix knife 1 is provided with two side by side A feeding hole 11, the cutter head of the movable cutter 2 is located above the outlet of the feeding hole 11, and is in contact with the outer wall of the guide fixed knife 1; , The notch of the material holding tank 5 is opposite to the outlet of the feeding hole 11, and is located on the extension line of the outlet of the feeding hole 11. The movable cutter 2 includes a first straight cutting surface 21 and a first oblique cutting surface 22 , the first straight cutting surface 21 faces the side close to the feed hole 11 and can contact the radial surface where the feed hole 11 is located. The shape of the material stor...

Embodiment 2

[0020] The detonator uses a soft metal delay cable to accurately cut off the device, including a guide fixed knife 1, a movable cutter 2 matched with the guide fixed knife 1, an index feed plate 3 and a repair knife 4 matched with the index feed plate 3, the guide fixed knife A feed hole 11 is arranged on the knife 1, and the cutter head of the movable cutter 2 is located above the outlet of the feed hole 11, and is in contact with the outer wall of the guide fixed knife 1; There is a feed tank 5, and the opening of the feed tank 5 is opposite to the outlet of the feed hole 11, and is located on the extension line of the feed hole 11 outlet. The movable cutter 2 includes a first straight cutting surface 21 and a first oblique cutting surface 22 , the first straight cutting surface 21 faces the side close to the feed hole 11 and can contact the radial surface where the feed hole 11 is located. The shape of the material storage tank 5 is elongated; the trimming knife 4 includes ...

Embodiment 3

[0024] A precise cutting device for soft metal delay cables for industrial delay detonators, including a guide fixed knife 1, a movable cutter 2 matched with the guide fixed knife 1, an index feed plate 3 and a repair knife 4 matched with the index feed plate 3, Four feed holes 11 are arranged side by side on the guide fixed knife 1, and the cutter head of the movable cutter 2 is located above the outlet of the feed hole 11, and is in contact with the outer wall of the guide fixed knife 1; A material holding tank 5 is arranged on the peripheral surface, and the opening of the material holding tank 5 is opposite to the outlet of the feeding hole 11, and is located on the extension line of the outlet of the feeding hole 11.

[0025] The movable cutter 2 includes a first straight cutting surface 21 and a first oblique cutting surface 22 , the first straight cutting surface 21 faces the side close to the feed hole 11 and can contact the radial surface where the feed hole 11 is loca...

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Abstract

The invention belongs to the field of civil blasting equipment, and discloses a precise cutting device for a soft metal delay cable used in an industrial delay detonator, which includes a guide fixed knife, a movable cutter matched with the guide fixed knife, an index feed tray, and an index feed tray Matching trimming knife and positioning rod, at least one feeding hole is arranged on the guiding fixed knife, and the head of the movable cutting knife is located above the outlet of the feeding hole, and is in contact with the outer wall of the guiding fixed knife; A material holding tank is arranged on the outer peripheral surface; the notch of the material holding tank is opposite to the outlet of the feeding hole, and is located on the extension line of the outlet of the feeding hole, and the positioning rod is arranged on the axial extension line of the material holding tank, The positioning rod extends into the material trough, and the present invention can realize the smoothness of both ends of the extension cable and the precise lengthening of the extension cable under the condition of maintaining the existing production efficiency, and reduce the deformation of the extension cable, so that the length of the finished extension cable is accurate , the drug surface is not loose, which greatly improves the delay time accuracy and firing reliability of industrial fire detonators.

Description

[0001] This application is a divisional application with the application number 201210325052.7, the filing date is 2012-09-05, and the invention name is "Soft Metal Delay Cable Precise Cutting Device for Industrial Delay Detonators". technical field [0002] The invention belongs to the field of civil blasting equipment, and in particular relates to a precise cutting device for a soft metal delay cable for an industrial delay detonator. Background technique [0003] At present, the cutting process of soft metal delay cables in the civil explosive industry is backward. One end of the cut soft metal delay cables has a horseshoe shape and is uneven, which seriously affects the time accuracy and firing reliability of the delay detonators. Although there is a device for cutting both ends of the delay cable flattened by the equipment manufacturer, because the two knives are stressed at the same time when cutting the delay cable, the excessive force on the delay cable will cause the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C06C7/02
Inventor 陈克文方丽群
Owner ZHEIANG WUCHAN GUANGHUA EXPLOSIVE MATERIALS
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