CN201634600U - Automatic fixed-length loading device for shock-conducting tube - Google Patents

Automatic fixed-length loading device for shock-conducting tube Download PDF

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Publication number
CN201634600U
CN201634600U CN2009202895877U CN200920289587U CN201634600U CN 201634600 U CN201634600 U CN 201634600U CN 2009202895877 U CN2009202895877 U CN 2009202895877U CN 200920289587 U CN200920289587 U CN 200920289587U CN 201634600 U CN201634600 U CN 201634600U
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China
Prior art keywords
unit
wheel
frame
primacord
main shaft
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Expired - Fee Related
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CN2009202895877U
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Chinese (zh)
Inventor
姜卫国
田传红
张波
王云亮
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Wuhan Rentian Packaging Technology Co Ltd
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Wuhan Rentian Packaging Technology Co Ltd
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Priority to CN2009202895877U priority Critical patent/CN201634600U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an automatic fixed-length loading device for a shock-conducting tube. The installation of the device is as follows: a wire storage unit is installed at the rightmost end; a meter measuring unit is placed close to the side of a cycloid wheel of the wire storage unit; a wire twisting unit and the meter measuring unit are installed on the same rack; a cutoff unit and a looping bundling unit are installed on the same rack; a detection unit is installed between the cutoff unit and the wire twisting unit; and a connecting plate is arranged between adjacent units so as to ensure the relative positions of all the units and further, no relative motion among all the units in the working process. The fixed-length loading device is reasonable in structure, reliable in performance, simple and convenient in operation, easy for adjustment and high in automation level.

Description

Primacord automatic cut-to-length blanking device
Technical field
The utility model belongs to the wrapping mechanism field, relates to a kind of primacord full-automatic fixed-length blanking device.
Background technology
At present, national various detonator production line (comprising the primacord production line) has about 30 approximately.The primacord fixed length blanking of most of enterprise also is in the manual blanking stage, method in common is: decide the traditional weldering stake formula fixed length of the normal employing of rice grain pattern during the primacord blanking, manually again primacord is cut off according to fixed length is manual, the material that will descend is manually wrapped on the fixed pallet coil then, the operator in workshop are a lot, production efficiency is low, and production safety exists very big hidden danger, requires not to be inconsistent with the automatic production of the quick-fried industry of the people to the quick-fried product of the people.
Summary of the invention
The purpose of this utility model is exactly that the handicraft workshop operation, the production capacity that exist at existing primacord production line are low, instability and floor space are big, operator are a lot, production efficiency is low, production safety exists very defective such as big hidden danger, and a kind of simple in structure, level of automation is high, floor space is little, production capacity is high civilian primacord automatic cut-to-length blanking production equipment is provided.
For achieving the above object, the utility model adopts following technical scheme:
Civilian primacord automatic cut-to-length blanking device, comprise storage line unit, metering unit, the unit that twists thread, detecting unit, cutting unit, lopping is beaten and is pricked the unit and form fast, it is characterized in that: storage line unit is installed in low order end, the metering unit tightly is placed on the unitary Cycloidal Wheel of storage line limit, twist thread unit and metering unit is installed on the same frame, cutting unit and lopping are beaten the bundle unit and are installed on the same frame, detecting unit is installed in cutting unit and twists thread between the unit, faces mutually between each unit web plate is installed.
Calculate primacord by the metering unit and calculate girth to reach the purpose of measuring fixed length through the number of turns of rice counting wheel; The unitary motor that twists thread drives moving two synchronous pulley assemblies by diverter, synchronous band is being carried primacord at the volley secretly and is being travelled forward, to reach the conveying purpose, when needs stop, cylinder assembly drives two synchronous pulleys and breaks away from primacord, stops the transfer movement that twists thread; Dose detects by detecting unit in the primacord, and is qualified to determine whether; Cutting unit mainly cuts off institute's primacord on request; The bundle unit is beaten in quick lopping makes primacord arrange by rule.
Described storage line unit is made up of frame, line storage wheel, transition wheel, fixed pulley, Cycloidal Wheel, intermediate bars, drag hub, line storage wheel, transition wheel are installed in the frame cavity of resorption, fixed pulley, Cycloidal Wheel are installed in the frame front, and Cycloidal Wheel faces the metering unit, and intermediate bars is installed between Cycloidal Wheel and the drag hub.When Cycloidal Wheel dropped to a certain degree, Cycloidal Wheel drove intermediate bars and drives the drag hub, and frictional force is increasing between drag hub and the line storage wheel, and when having arrived to a certain degree, line storage wheel can not rotate, and has finished brake.
Described metering unit is made up of rice counting wheel, pinch roller, unilateral bearing, frame, rotary encoder, guide deflection sheave, unidirectional roll; rice counting wheel, pinch roller, guide deflection sheave, unidirectional roll are installed on the frame respectively; rice counting wheel, pinch roller inside are equipped with unilateral bearing respectively; guarantee that rice counting wheel and pinch roller all do not turn round to a direction motion; the assurance metering is accurate; rotary encoder is installed on the rice counting wheel; rice counting wheel rotates the number of turns all by meter down; the brake of reporting to the police when to the regulation number of turns is shut down, and guide deflection sheave, unidirectional roll guarantee that primacord moves in specialized range.
The described unit that twists thread is by motor reducer, main shaft, frame, reverser, the synchronous pulley assembly, be with synchronously, three cylinders are formed, the synchronous pulley assembly is by mounting plate, small pulley, big belt wheel, counter wheel and corresponding belt shaft are formed, greatly, small pulley and counter wheel are fixed on the mounting plate by the screw thread on the corresponding belt shaft, band is enclosed within small pulley synchronously, on the big belt wheel, motor reducer, three cylinders are installed on the frame respectively, motor reducer links to each other with main shaft by shaft coupling, reverser is through on the main shaft, an outer face of reverser links to each other with three cylinders, the vertical another side of end face is connected with the mounting plate of synchronous pulley assembly therewith, such three cylinders can drive the synchronous pulley assembly and move up and down, and can play clamping action to primacord.Motor reducer drives motion of main shaft, by the reverser on the main shaft rotatablely moving of main shaft changed into rotatablely moving of 90 degree directions, thereby drive band motion synchronously, by cylinder with synchronous Tape movement to the position that can clamping primacord, by synchronous band motion, clip the primacord motion, thereby reach the purpose of carrying primacord.
Described detecting unit is made up of two infrared light emission pipes, two infrared receiver tubes and mechanical support frame, two infrared light emission pipes, two infrared receiver tubes are installed in respectively on the mechanical support frame, and each infrared light emission Guan Yuyi infrared receiver tube is parallel staggered relatively in detection head, and insert on the circuit card in the cabinet with lead, and two photoemission cells between distance be 1cm.When plastic detonating tube does not have medicine partly above 1cm, cause that easily propagation of explosion interrupts, thereby designed two pairs of photoelectric receiving devices at a distance of 1cm.The two pairs of photoemission cells and photoelectric receiving tube are measured the length sum smaller or equal to 1cm, arrive testing goal.
Described cutting unit is by frame, the lower support stand, lower support plate, intermediate support plates, clamping cylinder, last compact heap, two cut off cylinder, cutter knife is formed, the lower support stand, clamping cylinder is installed on the frame, lower support plate is installed on the lower support stand, cutter knife is installed in two and cuts off on the cylinder, and be stuck in the medial launder of compact heap, two cut off cylinder, last compact heap is installed on the intermediate support plates respectively, intermediate support plates is installed on the clamping cylinder, clamping cylinder is released downwards, intermediate support plates moves downward, and last compact heap compresses primacord downwards, then, cutter knife moves downward under the cut-out cylinder action, cuts off primacord.
Described quick lopping is beaten the bundle unit and is made up of frame, motor reducer, main shaft, winding wheel, two synchronous bands, automatic winding displacement devices, motor reducer, main shaft, automatic winding displacement device are installed on the frame respectively, twining wheel is installed on the main shaft, motor reducer is with synchronously by one and is linked to each other with main shaft, and main shaft links to each other with the automatic winding displacement device by another synchronous band.Motor reducer drives to twine to take turns by main shaft and carries out twining movement, and main shaft makes primacord arrange by rule by the automatic winding displacement of band drive synchronously device simultaneously, and the user can set lopping length as required, and to a rice auto stop.
Technical essential of the present utility model is: 1, production efficiency height, improved production efficiency greatly, and reduced operator's quantity.2, the good and steady quality of winding displacement quality.3, adopt the polarity formula metering to improve the metering precision.4, after the electric wire lopping, can tie up rapidly and easily take off, the efficient height, the time spent is short.5, the loading, unloading draw drum is quick and convenient, adopts cantilevered combination guide wheel storage line, and the not random line of unwrapping wire adopts the interlock braking mechanism.
The utility model improves the existing mode of production emphatically, improve output and production efficiency, reduce operator, improve security, adopt the device principle, the full-automatic blanking machine of primacord is resolved into several equipment, these had both been finished standalone feature, have the equipment that connects each other again and combine, form one efficiently, the civilian primacord production line that level of automation is high.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a storage line modular construction synoptic diagram of the present utility model.
Fig. 3 is a metering modular construction synoptic diagram of the present utility model.
Fig. 4 a is the modular construction synoptic diagram (front is seen) that twists thread of the present utility model.
Fig. 4 b is the modular construction synoptic diagram (back is seen) that twists thread of the present utility model.
Fig. 5 is a detecting unit structural representation of the present utility model.
Fig. 6 a, Fig. 6 b are cutting unit structural representation of the present utility model.
Fig. 7 beats for lopping of the present utility model and pricks the modular construction synoptic diagram.
Embodiment
As shown in Figure 1, the utility model comprises storage line unit 1, metering unit 2, the unit 3 that twists thread, detecting unit 4, cutting unit 5, lopping is beaten and pricked unit 6 compositions fast, storage line unit 1 is installed in low order end, metering unit 2 tightly is placed on the Cycloidal Wheel limit of storage line unit 1, twist thread unit 3 and metering unit 2 is installed on the same frame, cutting unit and lopping are beaten the bundle unit and are installed on the same frame, and detecting unit is installed in cutting unit and twists thread between the unit, faces mutually between each unit web plate is installed.Guarantee the relative position between the unit, to guarantee in the working process not having relative movement between each unit.
Overall craft flow process of the present utility model is as follows:
Bundle-(missing the target)-people is beaten in storage line unit-(unwrapping wire)-metering unit-(the fixed length)-unit that twists thread-(detection)-strand oscillator-(winding displacement)-lopping
Calculate primacord by the metering unit and calculate girth to reach the purpose of measuring fixed length through the number of turns of rice counting wheel; The unitary motor that twists thread drives two synchronous pulley assemblies by diverter, synchronous band is being carried primacord at the volley secretly and is being travelled forward, to reach the conveying purpose, when needs stop, three cylinders drive two synchronous pulleys and break away from primacord, stop the transfer movement that twists thread; Dose detects by detecting unit in the primacord, and is qualified to determine whether; Cutting unit mainly cuts off institute's primacord on request; The bundle unit is beaten in quick lopping makes primacord arrange by rule.
As shown in Figure 2, described storage line unit 1 is made up of frame 1-5, line storage wheel 1-6, transition wheel 1-3, fixed pulley 1-7, Cycloidal Wheel 1-1, intermediate bars 1-2, drag hub 1-4, line storage wheel 1-6, transition wheel 1-3 are installed in the frame 1-5 cavity of resorption, fixed pulley 1-7, Cycloidal Wheel 1-1 are installed in frame 1-5 front, and Cycloidal Wheel 1-1 faces metering unit 2, and intermediate bars 1-2 is installed between Cycloidal Wheel 1-1 and the drag hub 1-4.When Cycloidal Wheel 1-1 drops to a certain degree, Cycloidal Wheel 1-1 drives intermediate bars 1-2 and drives drag hub 1-4, and frictional force is increasing between drag hub 1-4 and the line storage wheel 1-6, when having arrived to a certain degree, line storage wheel 1-6 can not rotate, and has finished brake.
As shown in Figure 3; described metering unit 2 is by rice counting wheel 2-3; pinch roller 2-2; unilateral bearing; frame 2-1; rotary encoder 2-4; guide deflection sheave 2-6; unidirectional roll 2-5 forms; rice counting wheel 2-3; pinch roller 2-2; guide deflection sheave 2-6; unidirectional roll 2-5 is installed in respectively on the frame 2-1; rice counting wheel 2-3; pinch roller 2-2 is equipped with unilateral bearing respectively in inside; guarantee that rice counting wheel 2-3 and pinch roller 2-2 do not turn round to a direction motion; the assurance metering is accurate; rotary encoder 2-4 is installed on the rice counting wheel 2-3; rice counting wheel 2-3 rotates the number of turns by meter down; guide deflection sheave 2-6 is shut down in the brake of reporting to the police when to the regulation number of turns; unidirectional roll 2-5 guarantees that primacord moves in specialized range.
As Fig. 4 a, shown in Fig. 4 b, the described unit that twists thread is by motor reducer 3-1, frame 3-2, main shaft 3-3, reverser 3-4, three cylinder 3-5, synchronous pulley assembly 3-6 forms, synchronous pulley assembly 3-6 is by synchronous band 3-6-1, mounting plate 3-6-2, small pulley 3-6-3, counter wheel 3-6-4, big belt wheel 3-6-6, and corresponding belt shaft 3-6-5 forms, small pulley 3-6-3, big belt wheel 3-6-6 and counter wheel 3-6-4 are fixed on the mounting plate by the screw thread on the corresponding belt shaft 3-6-5, band is enclosed within small pulley 3-6-3 synchronously, on the big belt wheel 3-6-6, motor reducer 3-1, three cylinder 3-5 are installed on the frame respectively, motor reducer 3-1 links to each other with main shaft 3-3 by shaft coupling, reverser 3-4 is through on the main shaft 3-3, the outer face of reverser 3-4 links to each other with three cylinder 3-5, the vertical another side of end face is connected with the mounting plate 3-6-2 of synchronous pulley assembly 3-6 therewith, such three cylinder 3-5 can drive synchronous pulley assembly 3-6 and move up and down, and can play clamping action to primacord; Motor reducer 3-1 drives main shaft 3-3 motion, by the reverser 3-4 on the main shaft 3-3 rotatablely moving of main shaft 3-3 changed into rotatablely moving of 90 degree directions, thereby drive band 3-6-1 motion synchronously, will be synchronously move to the position that can clamping primacord by three cylinder 3-5 with 3-6-1, by synchronous band 3-6-1 motion, clip the primacord motion, thereby reach the purpose of carrying primacord.
As shown in Figure 5, described detecting unit 4 is made up of two infrared light emission pipe 4-1, two infrared receiver tube 4-2 and mechanical support frame 4-3, two infrared light emission pipe 4-1, two infrared receiver tube 4-2 are installed in respectively on the mechanical support frame 4-3, and each infrared light emission pipe 4-1 is parallel staggered relatively in detection head with an infrared receiver tube 4-2, and insert on the circuit card in the cabinet with lead, and two photoemission cells between distance be 1cm.When plastic detonating tube 4-4 does not have medicine partly above 1cm, cause that easily propagation of explosion interrupts, thereby designed two pairs of photoelectric receiving devices at a distance of 1cm.The two pairs of photoemission cells and photoelectric receiving tube are measured the length sum smaller or equal to 1cm, arrive testing goal.
As Fig. 6 a, shown in Fig. 6 b, described cutting unit 5 is by frame 5-1, lower support stand 5-2, lower support plate 5-3, intermediate support plates 5-4, clamping cylinder 5-5, last compact heap 5-6, two cut off cylinder 5-7, cutter knife 5-8 forms, lower support stand 5-2, clamping cylinder 5-5 is installed in respectively on the frame 5-1, lower support plate 5-3 is installed on the lower support stand 5-2, cutter knife 5-8 is installed in two and cuts off on the cylinder 5-7, and be stuck in the medial launder of compact heap 5-6, two cut off cylinder 5-7, last compact heap 5-6 is installed in respectively on the intermediate support plates 5-4, intermediate support plates 5-4 is installed on the clamping cylinder 5-5, clamping cylinder 5-5 releases downwards, intermediate support plates 5-4 moves downward, last compact heap 5-6 compresses primacord downwards, then, cutter knife 5-8 moves downward under cut-out cylinder 5-7 effect, cuts off primacord.
As shown in Figure 7, described quick lopping is beaten bundle unit 6 and is made up of frame 6-1, motor reducer 6-2, main shaft 6-4, winding wheel 6-3, two synchronous band 6-6, automatic winding displacement device 6-5, motor reducer 6-2, main shaft 6-4, automatic winding displacement device 6-5 are installed in respectively on the frame 6-1, twining wheel 6-3 is installed on the main shaft 6-4, motor reducer 6-2 is with 6-6 to link to each other with main shaft 6-4 by one synchronously, and main shaft 6-4 links to each other with automatic winding displacement device 6-5 by another synchronous band 6-6.Motor reducer 6-2 drives winding wheel 6-3 by main shaft 6-4 and carries out twining movement, and main shaft 6-4 drives automatic winding displacement device 6-5 by being with 6-6 synchronously simultaneously, and primacord is arranged by rule, and the user can set lopping length as required, and to a rice auto stop.
The utility model principle of work
When the Cycloidal Wheel 1-1 of storage line unit 1 is downward, rod member 1-2, drag hub 1-4 bring resistance for line storage wheel 1-6 in the middle of driving, when to setting lopping length, Cycloidal Wheel 1-1 is to extreme lower position, resistance maximum between drag hub 1-4 and the line storage wheel 1-6, this moment, a fixed length blanking action was finished in brake.And then the beginning unwrapping wire, the storage line; Primacord passes through between the rice counting wheel 2-3 of metering unit 2 and pinch roller 2-2, and rice counting wheel 2-3 rotates the number of turns and is rotated encoder 2-4 meter down, after can calculate the length of primacord; The unitary motor reducer 3-1 that twists thread drives motion of main shaft, by the reverser 3-4 on the main shaft rotatablely moving of main shaft changed into rotatablely moving of 90 degree directions, thereby drive the synchronous pulley motion, by cylinder 3-5 synchronous Tape movement is arrived and can clamping the primacord motion, thereby reach the purpose of carrying primacord; Plastic detonating tube passes through between the infrared light emission pipe 4-1 of detecting unit and infrared receiver tube 4-2, when infrared rayed is last to primacord 4-4, the local light transmission that dose is few is good. and the local light transmission that dose is many is poor, electric current in the photoelectricity flower bud on light source opposite changes with printing opacity power (be dose what). therefore, the dose that just can measure in the pipe according to the size of electric current (voltage) value changes, by just knowing dose with the standard value comparison, when undesirable, just send guard signal; The clamping cylinder 5-5 of cutting unit releases downwards, and intermediate support plates 5-4 moves downward, and last compact heap 5-6 compresses primacord downwards, and then, cutter knife 5-8 moves downward under cut-out cylinder 5-7 effect, cuts off primacord;
Lopping is beaten the unitary motor reducer 6-2 of bundle and is carried out twining movement by main shaft 6-4 drive winding wheel 6-3; main shaft 6-4 is with 6-6 to drive automatic winding displacement device 6-5 by another synchronously simultaneously; primacord is arranged by rule, and the user can set lopping length as required, and to the rice auto stop.Automatically harmomegathus beats fast that the bundle dish can conveniently unload dish, bundle is beaten in quick lopping.
The utility model under electric control system controls, the operation of whole process automatic cut-to-length blanking.

Claims (7)

1. civilian primacord automatic cut-to-length blanking device, comprise storage line unit, metering unit, the unit that twists thread, detecting unit, cutting unit, lopping is beaten and is pricked the unit and form fast, it is characterized in that: storage line unit is installed in low order end, the metering unit tightly is placed on the unitary Cycloidal Wheel of storage line limit, twist thread unit and metering unit is installed on the same frame, cutting unit and lopping are beaten the bundle unit and are installed on the same frame, detecting unit is installed in cutting unit and twists thread between the unit, faces mutually between each unit web plate is installed.
2. civilian primacord fixed length blanking machine device according to claim 1, it is characterized in that: described storage line unit is made up of frame, line storage wheel, transition wheel, fixed pulley, Cycloidal Wheel, intermediate bars, drag hub, line storage wheel, transition wheel are installed in the frame cavity of resorption, fixed pulley, Cycloidal Wheel are installed in the frame front, and Cycloidal Wheel faces the metering unit, and intermediate bars is installed between Cycloidal Wheel and the drag hub.
3. civilian primacord fixed length blanking machine device according to claim 1, it is characterized in that: described metering unit is made up of rice counting wheel, pinch roller, unilateral bearing, frame, rotary encoder, guide deflection sheave, unidirectional roll, rice counting wheel, pinch roller, guide deflection sheave, unidirectional roll are installed on the frame respectively, rice counting wheel, pinch roller inside are equipped with unilateral bearing respectively, and rotary encoder is installed on the rice counting wheel.
4. civilian primacord fixed length blanking machine device according to claim 1, it is characterized in that: the described unit that twists thread is by motor reducer, main shaft, frame, reverser, the synchronous pulley assembly, be with synchronously, three cylinders are formed, the synchronous pulley assembly is by mounting plate, small pulley, big belt wheel, counter wheel and corresponding belt shaft are formed, greatly, small pulley and counter wheel are fixed on the mounting plate by the screw thread on the corresponding belt shaft, band is enclosed within big synchronously, on the small pulley, motor reducer, three cylinders are installed on the frame respectively, motor reducer links to each other with main shaft by shaft coupling, reverser is through on the main shaft, an outer face of reverser links to each other with three cylinders, and the vertical another side of end face is connected with the mounting plate of synchronous pulley assembly therewith.
5. civilian primacord fixed length blanking machine device according to claim 1, it is characterized in that: described detecting unit is made up of two infrared light emission pipes, two infrared receiver tubes and mechanical support frame, two infrared light emission pipes, two infrared receiver tubes are installed in respectively on the mechanical support frame, and each infrared light emission Guan Yuyi infrared receiver tube is parallel staggered relatively in detection head, and insert on the circuit card in the cabinet with lead, and two photoemission cells between distance be 1cm.
6. civilian primacord fixed length blanking machine device according to claim 1, it is characterized in that: described cutting unit is made up of frame, lower support stand, lower support plate, intermediate support plates, clamping cylinder, last compact heap, two cut-out cylinders, cutter knife, lower support stand, clamping cylinder are installed on the frame, lower support plate is installed on the lower support stand, cutter knife is installed in two and cuts off on the cylinder, and be stuck in the medial launder of compact heap, two cut-out cylinders, last compact heap are installed in respectively on the intermediate support plates, and intermediate support plates is installed on the clamping cylinder.
7. civilian primacord fixed length blanking machine device according to claim 1, it is characterized in that: described quick lopping is beaten the bundle unit and is made up of frame, motor reducer, main shaft, winding wheel, two synchronous bands, automatic winding displacement devices, motor reducer, main shaft, automatic winding displacement device are installed on the frame respectively, twining wheel is installed on the main shaft, motor reducer is with synchronously by one and is linked to each other with main shaft, and main shaft links to each other with the automatic winding displacement device by another synchronous band.
CN2009202895877U 2009-12-29 2009-12-29 Automatic fixed-length loading device for shock-conducting tube Expired - Fee Related CN201634600U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202895877U CN201634600U (en) 2009-12-29 2009-12-29 Automatic fixed-length loading device for shock-conducting tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202895877U CN201634600U (en) 2009-12-29 2009-12-29 Automatic fixed-length loading device for shock-conducting tube

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CN201634600U true CN201634600U (en) 2010-11-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103085078A (en) * 2013-01-06 2013-05-08 沈阳理工大学 Twistable machine hand claw with immovable wiring harness position
CN103085077A (en) * 2013-01-06 2013-05-08 沈阳理工大学 Machine hand claw capable of entwisting wiring harnesses
CN104130090B (en) * 2014-08-07 2016-08-24 中煤科工集团淮北爆破技术研究院有限公司 A kind of online detonator is double to be sent out around envelope bundle machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103085078A (en) * 2013-01-06 2013-05-08 沈阳理工大学 Twistable machine hand claw with immovable wiring harness position
CN103085077A (en) * 2013-01-06 2013-05-08 沈阳理工大学 Machine hand claw capable of entwisting wiring harnesses
CN104130090B (en) * 2014-08-07 2016-08-24 中煤科工集团淮北爆破技术研究院有限公司 A kind of online detonator is double to be sent out around envelope bundle machine

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Granted publication date: 20101117

Termination date: 20151229

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