30results about "Detonators" patented technology

The invention discloses a method and device for automatically grabbing detonators. A device for grabbing the detonator is arranged on a middle blocking production line or an opening closing production line of the detonator; a group of expansion heads are arranged at the bottom of the device; the opening of the detonator is expanded and clamped by the expansion heads through the lifting of a cylinder control device and the deformation of the expansion heads to realize the purpose that the detonator is automatically taken out from a detonator filling mould. In the invention, the expansion heads controlled by machinery are adopted, and the opening of the detonator is expanded and clamped after the expansion heads are deformed, so that the detonator is automatically taken out from the detonator filling mould. A plurality of expansion heads are arranged at the same device, thus a plurality of detonators can be taken out by one device at one time, thereby greatly improving the production efficiency. The method provided by the invention is simple; and the adopted device is easy to manufacture, and has a good using effect.

To provide an electric ignition tool for firework which inhibits flame from extending far behind the ignition tool upon ignition of the electric ignition tool, and has an improved inflammation character with respect to an explosive device for inflammation and a blasting-off explosive.SOLUTION: An electric ignition tool for firework is fixed on an inflammation explosive device for ignition or fixed directly on a blasting-off explosive, so as to be used for igniting the firework, and comprises: an igniter holding cylindrical body made from a resin material or a rubber material; igniter in a powder or particle state; and a plug with a bridge circuit, which plugs the igniter holding cylindrical body to transmit ignition energy, and through which a lead wire is disposed. Therein: the igniter holding cylindrical body is fixed on the plug with the electric circuit such that the electric circuit and the igniter contact closely, the igniter holding cylindrical body has a structure being bottomed with a vicinity of a bottom plate part and / or a peripheral side wall part being caused to explode by an ignition power; the igniter is a composition including metal oxide, a single metal reductant agent, and boron.SELECTED DRAWING: Figure 2

The utility model relates to the technical field of electronic detonator production, and discloses an electronic detonator automatic explosive dipping device which comprises a workbench, vertical rods are symmetrically arranged at the two ends of the workbench, synchronous wheels matched with each other are arranged between the vertical rods, any vertical rod is provided with a motor for driving the synchronous wheels to rotate, and the motor is connected with the workbench. A synchronous wheel is arranged on the workbench, a synchronous belt is wound on the synchronous wheel, a plurality of fixing devices are uniformly arranged on the synchronous belt, a medicine storage barrel which can move up and down and is matched with the fixing devices is arranged at the bottom of the workbench, and baking lamps which are matched with the fixing devices and are symmetrically arranged are arranged on the workbench. Compared with the prior art, the utility model has the advantages of high production efficiency and simple production steps.

This invention discloses a permissible electronic control module for coal mines, along with its testing and manufacturing methods. The method includes coding, a first test, and a second test. The first and second tests involve multiple testing items, such as communication ID confirmation, duplicate code detection, resistance detection, current testing, ignition capacitor detection, bridge wire detection, low-voltage detonation testing, high-voltage detonation testing, delay accuracy testing, and diode testing. This invention performs multi-angle testing on the electronic control module, resulting in more precise and detailed testing methods that prevent accidental detonation. The measurement of delay accuracy ensures instantaneous detonation response during detonation, improving product safety. A glue-filled coating is added to the electronic control module to effectively protect and fix components and soldered parts, preventing loosening or detachment under external forces and avoiding interference from external moisture, dust, and static electricity. This electronic control module can be efficiently manufactured through processes such as surface mount technology (SMT), reflow soldering, and encapsulation, resulting in high efficiency.

The invention discloses a method for producing ecological primary explosive - basic bismuth(III) salt of 5,5 '-bis-azotetrazole and its using in ecological mixture for primer compositions of ammunition.

The utility model discloses a basic detonator single-shot vacancy automatic detection device, which comprises a first reciprocating driving mechanism and a vertical plate, a product carrier is fixed at the driving end of the first reciprocating driving mechanism, the vertical plate is arranged beside the first reciprocating driving mechanism, a second reciprocating driving mechanism is fixed on the vertical plate, and the second reciprocating driving mechanism is fixed on the vertical plate. A displacement sensor is fixed to the driving end of the second reciprocating driving mechanism, and the lower end of the displacement sensor is connected with a conductive measuring rod. According to the basic detonator single-shot vacancy automatic detection device, an operator does not need to be in direct contact with a detonator medicament, the safety is good, the automation level of basic detonator vacancy detection is also greatly improved, and the product quality is ensured.

This utility model proposes an electronic detonator assembly control system, including a housing, an injection hole, and a mounting bracket. An electric telescopic rod is mounted on the mounting bracket, and a T-shaped rod is mounted on the output end of the electric telescopic rod. A sleeve is fitted over the T-shaped rod. A sealing cover is fixedly mounted at the bottom of the mounting bracket. A partition divides the original injection hole into two parts. A measured amount of waterproof adhesive is injected using an injection head. The waterproof adhesive enters the waterproof cavity from one side, while the other side ensures air escapes. This makes the injection process more stable and efficient, while also preventing gas residue inside and reducing the defect rate. Furthermore, the partition is made of stainless steel with a smooth surface that does not adhere to the waterproof adhesive, allowing for repeated operation over a long period.

This utility model proposes an automated production system for electronic detonator ignition elements, including a base, lead wire, and lead wire reel. The lead wire reel is mounted on the base, and lead wire is wound on the lead wire reel. One end of the lead wire passes through the base and is slidably connected to it. A guide frame is fixedly mounted on the base, and a fixing frame is fixedly mounted on the top of the guide frame. A cylinder is fixedly mounted on the fixing frame, and a connecting rod is fixedly connected to the output end of the cylinder. By setting an annular coating box, continuous uneven rubber protrusions are added to the surface of the lead wire, and the diameter of the lead wire is increased. In this way, when passing through the clamping guide rollers, the lead wire between the two clamping guide rollers is fully clamped, thereby maintaining sufficient friction. This reduces the size of the equipment while ensuring sufficient friction, thus reducing the floor space cost of the factory.

The application discloses a full-automatic electronic detonator production line, which comprises a conveying belt and a conveying carrier driven by the conveying belt, and further comprises an automatic wire winding and moving device, a wire end shaping device, a stripping and wire shaping device, a wire twisting device, an injection molding device, an inner sheath stripping device, a riveting device, a laser welding device, a base pipe loading bayonet device and a detonator packaging assembly which are sequentially arranged along one side of the conveying belt; a junction box lower cover assembling device and a junction box upper cover assembling device are sequentially arranged on the other side of the conveying belt, and the junction box lower cover assembling device and the junction box upper cover assembling device are both located between the stripping and wire shaping device and the detonator packaging assembly. The full-automatic electronic detonator production line can realize full-automatic production and packaging of electronic detonators, does not need manual assistance in the whole process, is beneficial to improving production efficiency and ensuring personal safety of workers.

The present application relates to the technical field of detonator transfer moulding, and discloses a detonator distance-changing transfer moulding device, which comprises first feeding structure, receiving assembly, second feeding structure, material taking structure, material discharging structure and mould ejection mechanism arranged in sequence, the first feeding structure is used for feeding the first mould loaded with detonators to the receiving assembly, the second feeding structure is used for feeding the second mould without load to the transfer moulding position, the material taking structure is used for distance-changing transfer moulding of the detonators on the first mould to the second mould, the material discharging structure is used for discharging the second mould loaded with detonators, the receiving assembly is used for moving the first mould after transfer moulding to the discharging position, and the mould ejection mechanism is located at one end of the receiving assembly and is used for discharging the first mould without load. The present application is convenient for distance-changing transfer moulding of detonators and improves the transfer moulding efficiency of detonators.

The application belongs to the technical field of nanocomposites, and particularly relates to a core-shell type thermite, a preparation method and application in a biomass blasting device. The preparation method comprises the following steps: S1, adding fly ash into a hydrochloric acid solution to dissolve the fly ash, then filtering to obtain a filtrate, adding a sodium hydroxide solution into the filtrate, then performing stirring, filtering and drying treatment to obtain a precipitate, calcining the precipitate to obtain iron oxide particles for standby; S2, adding aluminum powder and boron powder into an organic solvent to perform ultrasonic mixing, then performing heating and stirring to volatilize the organic solvent to obtain an aluminum-boron compound, and drying for standby; S3, adding the iron oxide particles, the aluminum-boron compound and an adhesive into an acetone solution to mix uniformly to obtain a mixture, performing stirring and ultrasonic treatment on the mixture to obtain a suspension; adding a polyvinyl alcohol emulsifier into deionized water and performing heating and stirring to obtain an emulsion; S4, in a high-speed dispersion homogenizer, adding the suspension dropwise into the emulsion to wrap the suspension in the emulsion to obtain an oil-in-water emulsion, and performing evaporation, filtering, washing and drying treatment on the oil-in-water emulsion to obtain the core-shell type nano thermite.

This invention relates to the field of detonator drying technology, and in particular to a fully automatic intelligent detonator drying line, comprising a top rail, a feeding section, a ground rail, a forklift section, at least one drying chamber, an automatic temperature control system, and a discharging section. The feeding section receives several drying trays transported to a designated position by the top rail and pushes the drying trays sequentially onto the drying rack. The forklift section is mounted on the ground rail and is used to transport the drying rack into the drying chamber for drying and to remove the drying rack and transport it to the discharging section. The discharging section pushes the drying trays in the drying rack sequentially onto the conveyor belt. The forklift section is located between the drying chamber and the discharging and feeding sections. The drying chamber is equipped with a door that opens vertically, and a locking cylinder is installed on the outer wall of the chamber. The locking cylinder is fixed to the outer wall of the chamber, and its power end is installed on the door. This invention addresses the technical problems of low safety and large space occupation in existing detonator drying lines.

The invention describes a process for producing soluble salts of 5,5-azotetrazole (5,5-AT) by oxidation of 5-aminotetrazole with a soluble peroxodisulfate in a strongly alkaline environment. This compound is a precursor of the energetic component of non-toxic priming mixtures, 5,5- bis-hydrazino-tetrazole (BTH). BTH can be prepared by reduction of salts or solutions of 5,5-AT with ascorbic acid. 5,5-AT

Explosives using thermally expandable microspheres (TEMs) in a solid matrix are disclosed that facilitate tunable changes in local density, porosity, and ultimately, shock sensitivity. Solid high explosive systems with “on demand” shock sensitivity may be created. A relatively small fraction (e.g., 1% or less) of TEMs may incorporated during the manufacturing process of the solid matrix explosive (e.g., polymer-bonded explosives (PBX), trinitrotoluene (TNT), etc.). The fraction of TEMs used to achieve the desired explosive properties will depend on the base explosive material to achieve the desired initiation sensitivity.

The invention relates to a device for depositing paste-like patterns onto the surface of a tube channel. The device comprises a frame supporting a first mechanical assembly A for holding, positioning, and moving the tube, and a second mechanical assembly B for extruding paste to deposit said paste-like patterns. Assemblies A and B cooperate with each other. (See Figure 16 for abbreviations.)

The invention describes a process for producing soluble salts of 5,5-azotetrazole (5,5-AT) by oxidation of 5-aminotetrazole with a soluble peroxodisulfate in a strongly alkaline environment. This compound is a precursor of the energetic component of non-toxic priming mixtures, 5,5- bis-hydrazino-tetrazole (BTH). BTH can be prepared by reduction of salts or solutions of 5,5-AT with ascorbic acid. 5,5-AT

The application discloses an electronic detonator electronic ignition element medicine-dipping production line, which comprises, in sequence, a feeding device, a multiple medicine-dipping device and a paint-dipping device. The multiple medicine-dipping device comprises a rack, wherein the rack is provided with a first rotary conveying table, a second rotary conveying table, a return conveying mechanism, a medicine-dipping mechanism, a medicine storage mechanism and a first mechanical arm. The first rotary conveying table, the return conveying mechanism and the second rotary conveying table are sequentially arranged along a first direction. The first mechanical arm is arranged corresponding to the first rotary conveying table, and is used for transferring the electronic detonator electronic ignition element on the first rotary conveying table to the medicine-dipping mechanism and transferring the electronic detonator electronic ignition element on the medicine-dipping mechanism back to the first rotary conveying table. The multiple medicine-dipping device enables the user to perform one or more medicine-dipping operations on the electronic detonator electronic ignition element according to the need, has strong flexibility, can reduce the number of medicine-dipping devices arranged in the production line, shorten the length of the medicine-dipping production line and save the equipment purchase cost.

The utility model relates to an automatic charging and pressing system device for electric detonator products, in particular to a flow assembly system device for an electric detonator with a lead initiating explosive device, which comprises a mold lifting mechanism of a jig charging part, a mold assembly mechanism, a charging mechanism, a pressing mechanism, a cleaning mechanism, a double-layer inner return type speed chain conveying line, a feeding position and a tray lifting mechanism. The jig is in a tray form and is fixed on the base, and the left side of the jig is provided with a medicine sleeve position, a cover block position, a middle die position, an assembly device, a punch position and another punch position; a punch is arranged at the top end of the assembling device, a die cover is installed below the punch, a middle die is installed below the die cover, and a base is installed below the middle die. A pressing plate is mounted above the mold cover, and a product is fixed in the middle mold; according to the system device, aiming at automatic explosive loading and pressing production of electric detonator products, manual explosive loading and pressing operation is replaced by equipment, the target of man-machine isolation is achieved, and the intrinsic safety of operators is improved.

The utility model discloses a detonator carrier for a detonator charging machine, which comprises a carrying plate and a detonator shifter arranged on the carrying plate, and the working end of the detonator shifter is matched with a detonator in a detonator groove on the carrying plate; the tube mover comprises a side plate, springs, tube clamping plates, a flexible connecting piece, a magnetic attraction assembly and a limiting piece, the side plate is slidably installed in the sliding groove of the carrying plate, the sliding direction is perpendicular to the axial direction of the tube groove, the springs are symmetrically installed in the sliding groove and abut against the side plate, the multiple tube clamping plates are slidably installed in the sliding way of the side plate, the tube clamping plates are matched with the detonators, and the flexible connecting piece is connected with the magnetic attraction assembly. Every two adjacent tube clamping plates are connected through the corresponding soft connecting piece, the magnetic attraction assemblies are installed between every two adjacent tube clamping plates, positive electrodes and negative electrodes of the magnetic attraction assemblies attract each other, and the limiting pieces are installed on the tube clamping plates at the tail ends. According to the detonator carrier, a plurality of detonators can be quickly inserted and taken down at one time, so that the explosive charging machine can accurately fill explosive into the detonators conveniently, all the detonators can be concentrated and taken down at one time conveniently after filling is completed, and the working efficiency and convenience are improved.

Pyrotechnic mixture with potassium benzanate, said pyrotechnic mixture comprising a binary or ternary intermixture comprising at least two selected from potassium benzanate, copper picramate and potassium picrate.

The utility model belongs to the field of pyrotechnics processing technology discloses a kind of tubular pyrotechnics automatic medicine pressing mould, including base (4), support rod (6), spring (5), inner sleeve (7), die sleeve (3), guide sleeve (2), punch (1);The base (4) is internally hollow structure, its bottom is provided as threaded hole, the inner sleeve (7) is screwed into the threaded hole of base (4);The lower end of support rod (6) passes through base (4), and inserts the center step bore of inner sleeve (7);The lower end of support rod (6) is provided with annular flange, the annular flange is used to support on the step surface of inner sleeve (7);Spring (5) is sleeved on support rod (6).The utility model's technical scheme solves the problem that tubular pyrotechnics is caused by the limitation of mould to rely on manual medicine pressing, mould can adapt to automatic medicine pressing process, improve production efficiency, improve production intrinsic safety.

The invention provides a detonator mold transferring machine which comprises a bearing box, a conveying and positioning mechanism is arranged in the bearing box and can convey and position a mold, a mounting frame is arranged on the upper side of the bearing box, the bearing box and the mounting frame are fixed through welding, and a transverse sliding rail is arranged in the mounting frame; according to the detonator mold rotating machine, the interval-adjustable clamping jaw sets are adopted to form the flexible material taking mechanism, the positions of the clamping jaws can be automatically adjusted, the detonator mold rotating machine is adaptive to the arrangement intervals of detonators of different molds, and one-time grabbing and putting of the whole row are achieved. During transferring, the clamping jaws synchronously expand or contract to accurately correspond to target mold hole sites, batch mold transferring is completed, reciprocating actions are greatly reduced, efficiency and takt time are improved, quick model changing can be achieved without changing the position of the clamp, manual intervention and maintenance cost are reduced, and the automatic detonator transferring device is suitable for automatic production of various high-efficiency detonators.

A primer includes a layered thermite coating comprising alternating layers of metal oxide and reducing metal (thermite) deposited upon a substrate. A carbide-containing ceramic layer is disposed within the alternating layers of metal oxide and reducing metal.

The invention discloses a universal fixed-personnel-free flexible foundation detonator production line and a production process thereof, and relates to the technical field of civil explosion industry. Comprising a mold washing machine air drying room with a built-in mold washing machine, a pipe arranging room with a built-in pipe filling machine, a composite charging room with a built-in charging machine and a built-in charging machine, a cap pressing room with a built-in cap pressing machine, a detection waste removing room with a built-in detection waste removing machine, a boxing room with a built-in boxing machine, a reinspection cover buckling room and a boxing room with a built-in box supplying machine and a box filling machine, the system further comprises a dangerous goods delivery system, a non-dangerous material far-end delivery system and an intelligent control system. The system is reasonable in design, and full-regional unmanned production (without fixed operators) of a basic detonator production line and an industrial warehouse associated with an auxiliary work station and flexible production of product variety diversification are realized.

The utility model relates to the technical field of digital detonators, in particular to a detonator structure capable of improving the anti-terrorism capability of a digital detonator, which comprises a detonator shell, a steel pipe inserted in the detonator shell and a digital delay element, and the digital delay element is positioned above the steel pipe; the mouth plastic plug is integrally fixed to the top of the digital delay element and located at the top of the interior of the detonator shell, and after the mouth plastic plug is inserted into the detonator shell, the outer wall of the detonator shell is clamped through a circular clamp with teeth, so that the outer wall of the detonator shell and the mouth plastic plug synchronously deform to form a closed opening; the electric ignition powder head is arranged at the bottom of the digital delay element; the explosive is filled between the interior of the steel pipe and the bottom of the detonator shell; the leg wire is arranged at the top of the mouth plastic plug; the flame-retardant material is filled in the steel pipe; according to the device, through the arrangement of the steel pipe and the flame-retardant material, the anti-reassembly capability of the existing digital detonator is improved, the production process is safe, and the anti-collision capability of the detonator is relatively strong.

The present invention relates to a single-capacitor electronic detonator (10) comprising an initiation means (11), an electronic control means (16), a single energy storage capacitor (15) designed to supply energy to the electronic control means (16) and the initiation means (11) when the single-capacitor electronic detonator (10) is ignited, and a means (13) for connecting to an energy source (12) for supplying energy to the single energy storage capacitor (15). The single-capacitor electronic detonator further comprises means (18) for clipping the voltage between the terminals of the single energy storage capacitor (15) to a voltage lower than the non-ignition voltage value (Ua) of the initiation means (11), and voltage regulation means connected to the means (13) for connecting to the energy source (12) and suitable for limiting the output voltage to a voltage lower than the non-ignition voltage value of the initiation means. The present invention also relates to the use of an ignition system that improves safety when using a single-capacitor electronic detonator (10).

Embodiments of the disclosure are directed to a shock initiation system for initiating shock in a shock tube for demolition. In some embodiments, the shock initiation system comprises a reusable discharge unit and a replaceable shock initiation platform. The reusable discharge unit may comprise a power source, a timer, a switch, and user inputs and may function to store a time, countdown the timer, and generate and transmit an electrical energy to the replaceable shock initiation platform. The shock initiation platform may receive the electrical energy from the discharge unit overpowering a resistor disposed on the shock initiation platform. The resistor may then detonate providing an initiation shock to a proximally disposed shock tube, thereby initiating shock in the shock tube.