CN212658143U

CN212658143U - Fire-proof and explosion-proof device for fireworks and firecrackers group basin and insertion lead

Info

Publication number: CN212658143U
Application number: CN202021648034.9U
Authority: CN
Inventors: 傅彩明; 唐青青; 张楠楠
Original assignee: Hunan Institute of Engineering
Current assignee: Hunan Institute of Engineering
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-03-05
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a fireworks group basin, insert and draw fire prevention explosion-proof equipment, including main support and assistance support, the main frame upper end is equipped with cuts and draws the assembly, cuts to draw the assembly including cutting and drawing mechanism, power device, spring assembly, PLC control system, and auxiliary frame upper end is equipped with the fast inductor that fires, cuts to draw the assembly and fires with the electric hookup between the inductor fast. When the lead wire has a combustion accident, all the lead wires in the quick-burning inductor are quickly burned, and the inductor immediately falls down after the lead wire is burned, so that the trigger sensor sends an accident signal to the PLC system, and the electromagnetic switch is instructed to control the power device to quickly press down to the cutting and leading mechanism to quickly cut off all the lead wires, and the combustion is prevented from spreading. When in normal, the power device is positioned at the uppermost end and cannot touch the movable knife, and the spring of the spring device presses the movable knife to be tightly attached to the knife rest and cannot move downwards. The lower ends of the main frame and the auxiliary frame are both provided with a cross rod and a vertical rod, and the bottoms of the main frame and the auxiliary frame are provided with machine legs. The utility model has the advantages of the life safety of the protection staff and the safety of the production site.

Description

Fire-proof and explosion-proof device for fireworks and firecrackers group basin and insertion lead

Technical Field

The utility model relates to a firecracker production field, concretely relates to firecracker group basin, insert and draw fire prevention explosion-proof equipment.

Background

Fireworks and firecrackers are the ornamental firer entertainment products which are the important components of Chinese folk custom by using the effect of sound, light, color and the like generated by burning or explosion of pyrotechnic compositions, and at present, China is the biggest fireworks and firecrackers production, export and consumption country in the world.

However, in the process of producing fireworks and firecrackers, the ignition accident of the lead often occurs, so that the lead becomes an important hidden danger of fire and explosion, and in order to ensure the life safety of workers and the requirement of fireworks and firecrackers production, a fireproof and explosion-proof device needs to be developed, and once a fire occurs or the lead is ignited, the ignited lead can be completely and automatically cut off, the occurrence of the combustion and explosion accident is prevented, and safety guarantee is provided for the personnel of the workers and the stable production of the firecrackers.

SUMMERY OF THE UTILITY MODEL

In order to guarantee that staff's life safety and firecracker safety in production are required, provide a firecracker group basin, insert and lead fire prevention explosion-proof equipment, it can in time effectually cut off the lead wire that catches fire the burning fast completely automatically, the technical scheme of the utility model as follows:

the utility model provides a fireworks group basin, insert and draw fire prevention explosion-proof equipment, includes main frame and auxiliary frame, its characterized in that: the cutting and guiding assembly is arranged at the upper end of the main frame and comprises a lead wire support, a cutting and guiding mechanism and a power device, the lead wire support is fixed at the upper end of the main frame, the cutting and guiding mechanism is arranged at the center of the lead wire support, the power device is arranged at the upper end of the cutting and guiding mechanism, a spring device is arranged on the side surface of the cutting and guiding mechanism, the power device is provided with an air cylinder, an air cylinder frame, a PLC control system and an electromagnetic switch which are electrically connected, the bottom of the lead wire support is provided with a cross rod, the upper end of the auxiliary frame is provided with a support, the support is provided with a quick-burning sensor, the bottom of the support is provided with a cross rod, two vertical rods are arranged below the cross rods of the main frame and the auxiliary frame, symmetrical limiting holes are arranged at the inner sides of the two vertical rods, a reinforcing rod is arranged between the two vertical, the bottoms of the upright rods and the inclined support rods are connected to the bottom rod, machine legs are arranged at the bottom of the bottom rod, and the height of the machine legs is adjustable; the lead wire support is composed of a support, lead wire supporting rods and a blocking and guiding device, the front end and the rear end of the support are provided with symmetrical blocking and guiding devices, and the outer side of each blocking and guiding device is provided with two symmetrical lead wire supporting rods; the cutting and guiding mechanism comprises a bottom plate, tool rests, moving tools, cover plates, stand columns, support rods, guide rods, a primary pressure rod, a secondary pressure rod and a cylinder frame, wherein the bottom plate is symmetrically arranged on a lead wire bracket, the tool rests are arranged on the upper surfaces of the two bottom plates, a moving tool mounting groove is arranged in each tool rest, a round hole vertical to the groove is arranged in each moving tool mounting groove, a moving tool is arranged in each moving tool mounting groove, each moving tool is provided with a tool body and a tool handle, the tool body is provided with a round hole, the round holes of the tool body are aligned with the round holes of the moving tool mounting groove, the round holes of the tool body and the round holes of the moving tool mounting groove penetrate through the lead wires, the tool handles penetrate through the round holes corresponding to the cover plates and just face the lower end surfaces of the secondary pressure rods, the cover plates are arranged on the tool rests, the power device comprises a cylinder frame and a cylinder, the cylinder is provided with the cylinder frame, the power device is installed on the cylinder frame, the cylinder frame is of a rectangular frame structure, the rectangular frame is fixedly installed in the middle of the supporting rod, and the output end of the cylinder rod of the cylinder is directly and fixedly connected with the first-stage pressure rod.

The spring device is arranged on one side of the non-cutting edge of the movable cutter, the spring device is composed of a spring frame and a spring, a round hole is formed in the spring frame, the spring is arranged in the round hole of the spring frame, the spring is tightly pressed on the movable cutter, the movable cutter is tightly attached to the cutter frame, and the movable cutter cannot move as long as the power device does not move downwards.

The fast burning sensor comprises a support, a sensor support plate, a fast burning pipe, an induction body, a limiting ring and a screw rod, wherein the sensor support plate is arranged on the support, the sensor is fixed on the sensor support plate through a nut, and the fast burning pipe with the size and the shape which are accurately designed is arranged right above the sensor so as to ensure that a lead can be completely burnt at the highest speed; a lead through hole is formed in the quick combustion tube, a lead passes through the lead through hole, an inductor is arranged above the quick combustion tube, the inductor is positioned above the lead and supported by the lead, a limit ring is arranged above the quick combustion tube, and the screw passes through the limit ring and is fixedly connected with the inductor; when a combustion accident occurs, all the leads can be rapidly combusted in the quick combustion tube, the inductor loses support at the moment, freely falls to the proximity sensor, the sensor is triggered to send an abnormal signal to the PLC control system, and the power device rapidly moves downwards to push the moving knife to cut off all the leads; the inductor is blocked by the limiting device when moving downwards to approach the sensor, so that the inductor is ensured not to continuously fall and impact the sensor, and the sensor is protected from being damaged.

Furthermore, one end of the PLC control system is electrically connected with the sensor, the other end of the PLC control system is electrically connected with the electromagnetic switch and the power device, the power device is a pneumatic device, and a cylinder frame and a cylinder are arranged in the pneumatic device.

Further, the main frame is 4 meters or more than 4 meters away from the auxiliary frame.

Furthermore, the machine leg is made of steel materials so as to prevent static electricity.

The utility model has the advantages that: a lead bracket is arranged at the upper end of the main frame, a cutting mechanism is arranged at the center of the lead bracket, a spring device is arranged on the side surface of the cutting mechanism, and a power device is arranged at the upper end of the cutting mechanism; the auxiliary engine frame upper end is equipped with the support, be equipped with the fast inductor that fires on the support, be equipped with fast burning pipe and inductor in the fast inductor that fires, the inductor is installed in the fast burning pipe, the inductor is located the interior lead wire top of fast burning pipe, support by the lead wire, the position of inductor is decided to the break-make of lead wire, the on-off state of this position control sensor, PLC control system control electromagnetic switch is passed through to this state, electromagnetic switch control power device is pneumatic means, pneumatic means acts on the second grade depression bar, quick response and cylinder of rapid downstream make the mechanism of cutting the ignition cut off whole lead wires fast, electromagnetic switch and power device, PLC control system is connected with the electricity. The utility model has the advantages of reduce fireworks and firecrackers production risk, protect staff life safety and site production safety.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the frame structure of the present invention;

fig. 3 is a top view of the lead frame of the present invention;

FIG. 4 is a front view of the cutting guide assembly of the present invention;

FIG. 5 is a schematic view of the movable knife structure of the present invention;

fig. 6 is a schematic structural view of the fast burning sensor of the present invention.

In the figure: 2. lead wire support, 3, cutting mechanism, 4, spring device, 5, power device, 7, fast burning sensor, 101, cross bar, 102, upright rod, 103, reinforcing rod, 104, inclined strut rod, 105, machine foot, 106, bottom rod, 201, support, 202, lead wire strut rod, 203, blocking device, 301, bottom plate, 302, knife rest, 303, moving knife, 304, cover plate, 305, upright column, 306, strut rod, 307, secondary pressure rod, 308, guide rod, 309, primary pressure rod, 310, cylinder frame, 401, knife handle, 702, sensor, 703, sensor support plate, 704, fast burning pipe, 705, sensor, 706, spacing ring, 707, screw rod, 708, lead wire hole.

Detailed Description

In order to facilitate understanding of the features of the present invention, we will now describe the present invention in detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, a fire-proof and explosion-proof firework pot assembling and inserting device comprises a main frame and an auxiliary frame, wherein a cutting and leading assembly is arranged at the upper end of the main frame, the cutting and leading assembly comprises a lead bracket 2, a cutting and leading mechanism 3, a spring device 4 and a power device 5, the cutting and leading mechanism 3 is arranged in the center of the lead bracket 2, the spring device 4 is arranged at one side of the cutting and leading mechanism 3, the power device 5 is a pneumatic device and is arranged above the cutting and leading mechanism 3, a cylinder is arranged in the pneumatic device, and the power device 5 is electrically connected with a PLC control system; the upper end of the auxiliary frame is provided with a support 201, and the upper end of the support is provided with a fast burning sensor 7.

The lead wire bracket 2 is composed of a bracket 201, lead wire support rods 202 and a blocking and guiding device 203, the front end and the rear end of the bracket 201 are provided with the symmetrical blocking and guiding device 203, and the blocking and guiding device 203 is provided with the two symmetrical lead wire support rods 202 close to the outer side, so that the lead wire is ensured to move smoothly when entering and leaving the cutting and guiding assembly and is not bent, scratched or damaged; the cutting mechanism 3 is composed of a bottom plate 301, a tool rest 302, a movable tool 303, a cover plate 304, a column 305, a support rod 306, a secondary pressure rod 307, a guide rod 308, a primary pressure rod 309 and a cylinder frame 310. The two ends of the knife rest are provided with upright posts, the upper ends of the upright posts are provided with supporting rods 306, guide rod through holes are formed in the supporting rods, the lower ends of the guide rods penetrate through the through holes of the supporting rods to be connected with the second-stage pressure rods, and the upper ends of the guide rods are connected with the first-stage pressure rods to form a rectangular structure. The power device is arranged on a cylinder frame 310, the cylinder frame 310 is of a rectangular frame structure, the rectangular frame is fixedly arranged in the middle of the supporting rod 306, and the output end of a cylinder rod is directly and fixedly connected with the first-stage pressure rod; the two bottom plates 301 are symmetrically arranged on the lead frame 2, the knife rest 302 is arranged on the surfaces of the two bottom plates 301, a moving knife mounting groove is arranged in the knife rest 302, a round hole vertical to the groove is arranged in the moving knife mounting groove, a moving knife 303 is arranged in the moving knife mounting groove, the moving knife 303 is composed of a knife body and a knife handle 401, the lengths of the knife handles are different and have a difference of about 4mm, so that the cutting and the leading are not simultaneously cut in practice, but the length difference does not influence the integral speed of the cutting and the leading, the cutting and the leading can be ensured to be rapid and reliable, the cutting and the leading resistance can be reduced, and the specification of a cylinder can; the knife body is provided with round holes which are aligned with the round holes of the movable knife mounting groove, the lead wire passes through the two round holes, the knife handle 401 passes through the corresponding round hole of the cover plate 304 and is aligned to the lower end face of the secondary pressure lever 307, when the secondary pressure lever 307 goes down, the knife handle 401 is pressed, the movable knife 303 goes down, and the lead wire is cut off in the two round holes; the spring device 4 is composed of a spring frame and a spring, the spring frame is provided with a round hole, the spring is installed in the round hole of the spring frame, the spring 402 has enough pre-pressure to press the moving blade, the moving blade 303 is pressed in the moving blade installing groove of the blade frame 302 by the spring and is not moved, so that the moving blade 303 cannot move downwards under normal conditions, the cover plate 304 is provided with a through hole, the handle of the moving blade 303 penetrates through the through hole of the cover plate 304, and when the moving blade is pulled upwards, namely the moving blade is reset, the moving blade can be blocked by the cover plate 304. When the PLC control system receives an abnormal signal, the power device 5 arranged above the cutting mechanism 3 immediately moves downwards, at the moment, the movable knife 303 rapidly moves downwards under the action of the secondary pressure lever 307, the movable knife 303 is tightly attached to the knife rest 302 under the action of the spring 402, and a gap between the movable knife 303 and the knife rest 302 is eliminated, so that the lead is ensured to be cut off rapidly and reliably.

The fast burning sensor 7 is composed of a support 201, a sensor 702, a sensor support plate 703, a fast burning pipe 704, a sensor body 705, a limit ring 706 and a screw 707, the sensor support plate 703 is installed on the support 201, the sensor 702 is fixed on the sensor support plate 703 through a nut, the nut is adjusted to adjust the vertical position of the sensor 702, on the premise that the sensor 702 does not malfunction, the falling time of the sensor body 705 is shortest, the power device 5 is enabled to react fast, and the cutting and leading mechanism 3 is enabled to cut off burning leads fast; a quick-burning tube 704 is arranged right above the sensor 702, a lead hole 708 is arranged in the quick-burning tube 704, a limit ring 706 is arranged above the quick-burning tube 704, an inductor 705 is arranged in the quick-burning tube 704, the inductor 705 is positioned above the lead and directly contacts with the lead, the position of the inductor 705 is determined by the on-off of the lead, the position controls the on-off state of the sensor 702, and the state controls an electromagnetic switch through a PLC control system; the lead wires are generally divided into 0 second lead wires, fast burning lead wires and common burning lead wires according to the burning speed, if the two lead wires are on fire, the two lead wires can be burnt to the lead wire disc within 2-3 seconds, the lead wire disc and the lead wires of the lead wire disc around the lead wire disc are ignited, explosion occurs, and even more safety accidents can be caused; all the leads need to pass through the quick-burning tube 704, if the leads catch fire, in the quick-burning tube, all the leads can be quickly burnt at the speed of 0 second leads and the quick leads, the leads in the quick-burning tube 704 can be burnt completely instantly, the lower part of the inductor 705 is suspended, so that the inductor 705 quickly falls down to approach the sensor 702, the contact of the sensor 702 is enabled to act, an abnormal signal is sent to a PLC control system, and an electromagnetic switch acts, the electromagnetic switch directly controls the power device 5, namely a pneumatic device to move downwards, the pneumatic device acts on the first-stage pressure rod 309 and the second-stage pressure rod 307, and the cylinder which quickly responds and moves downwards enables the cutting and leading mechanism to quickly and reliably cut off all the leads, so that combustion spreading is thoroughly prevented. The screw 707 of the fast burning sensor 7 passes through the limit ring 706 to be connected with the sensor body 705, and the length of the screw 707 on the limit ring 706 can be adjusted, so that the sensor body 705 does not touch the sensor 702 when falling, the safety of the sensor 702 is ensured, the sensor 702 is connected with the PLC control system, and the electromagnetic switch is electrically connected with the PLC control system and the power device 5 to control the motion of the power device 5. The arrangement of the fast burning sensor 7 can ensure that the lead wires are quickly burnt in the fast burning pipe 704, and send abnormal signals to the PLC control system at the highest speed, so that the power device 5 is controlled to quickly cut off all the lead wires, the burning spread is completely blocked, and the fire or explosion accidents are prevented from happening; meanwhile, only after all the leads in the quick-burning pipe are burnt, the inductor can fall down to trigger the PLC to send a cut-off instruction, and under a normal working state, when a certain lead or a plurality of leads are used up, the inductor can not fall down under the support of other leads, so that the PLC control system can not send out an error instruction, and the equipment can not generate misoperation.

2 bottoms of lead wire support of main frame and the support 201 bottom of auxiliary frame all set up horizontal pole 101, horizontal pole 101 below sets up two pole settings 102, two pole settings 102 inboards are equipped with the spacing hole of symmetry, set up stiffener 103 between two pole settings 102 and the spacing downthehole at pole setting 102 is fixed at the both ends of stiffener 103, pole setting 102 both sides set up oblique branch 104, pole setting 102, the bottom of oblique branch 104 is connected on sill bar 106, sill bar 106 bottom sets up machine foot 105, the preparation material of machine foot 105 is steel material, guarantee to cut and draw the contact that device and ground can be good, prevent to produce electrostatic spark.

In the embodiment, in order to ensure that the cutting assembly can cut off the burning lead wires in time, the main frame is 4 meters or more away from the auxiliary frame, all the lead wires of the firework machine penetrate through the tool rest and the movable tool of the cutting mechanism 3 and then pass through the quick burning pipe 704, and if any lead wire is ignited and burnt, all the lead wires in the quick burning pipe 704 can be ignited certainly and burnt in the quick burning pipe at the fastest speed when the burnt lead wire passes through the quick burning pipe 704; the inductor 705 is supported upwards by a lead wire, the inductor 705 immediately falls after the lead wire burns, when the inductor 705 falls and approaches the sensor 702, the sensor 702 sends an abnormal signal to the PLC control system, the electromagnetic switch is switched on, the power device rapidly moves downwards, the movable knife 303 rapidly cuts off all the lead wires, the combustion is completely prevented from spreading, the lead wire combustion is ensured not to exceed a firework pot combination/lead insertion fire and explosion protection device, and a fire or explosion accident is ensured not to occur.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and those skilled in the art can make any simple improvements without departing from the scope of the present invention.

Claims

1. The utility model provides a fireworks group basin, insert and draw fire prevention explosion-proof equipment, includes main frame and auxiliary frame, its characterized in that:

the cutting and leading assembly is arranged at the upper end of the main frame and comprises a lead wire support, a cutting and leading mechanism and a power device, the lead wire support is fixed at the upper end of the main frame, the cutting and leading mechanism is arranged at the center of the lead wire support, the power device is arranged at the upper end of the cutting and leading mechanism, a spring device is arranged on the side surface of the cutting and leading mechanism, the power device is electrically connected with a PLC control system and an electromagnetic switch, a cross rod is arranged at the bottom of the lead wire support, a support is arranged at the upper end of the auxiliary frame, a quick-burning sensor is arranged on the support, a cross rod is arranged at the bottom of the support, two vertical rods are arranged below the cross rod of the main frame and the auxiliary frame, symmetrical limiting holes are arranged at the inner sides of the two vertical rods, a reinforcing rod is arranged between the two vertical rods, the two ends of the, the bottoms of the upright rods and the inclined support rods are connected to the bottom rod, and machine legs are arranged at the bottom of the bottom rod;

the lead wire support is composed of a support, lead wire supporting rods and a blocking and guiding device, the front end and the rear end of the support are provided with symmetrical blocking and guiding devices, and the outer side of each blocking and guiding device is provided with two symmetrical lead wire supporting rods;

the cutting and guiding mechanism comprises bottom plates, tool rests, moving tools, cover plates, stand columns, support rods, guide rods, a primary pressure rod and a secondary pressure rod, wherein the bottom plates are symmetrically arranged on lead wire supports, the tool rests are arranged on the upper surfaces of the two bottom plates, moving tool mounting grooves are formed in the tool rests, round holes vertical to the grooves are formed in the moving tool mounting grooves, moving tools are arranged in the moving tool mounting grooves, the moving tools are provided with tool bodies and tool handles, the tool bodies are provided with round holes, the round holes of the tool bodies are aligned with the round holes of the moving tool mounting grooves, lead wires are inserted into the round holes of the tool bodies and the round holes of the moving tool mounting grooves, the tool handles penetrate through the corresponding round holes of the cover plates and just face the lower end surfaces of the secondary pressure rods, the cover plates are arranged on the tool rests, the through holes are formed in the cover, the power device comprises a cylinder frame and a cylinder, wherein the cylinder is provided with a cylinder frame, the cylinder is arranged in the cylinder frame, the cylinder frame is of a rectangular structure and is fixedly connected with a support rod, and the output end of a cylinder rod of the cylinder is directly and fixedly connected with the first-stage pressure rod;

the spring device is arranged on one side of the non-cutting edge of the movable cutter, the spring device is composed of a spring frame and a spring, a round hole is formed in the spring frame, the spring is arranged in the round hole of the spring frame, and one end of the spring is tightly pressed on the movable cutter;

the fast combustion sensor comprises a support, a sensor support plate, a fast combustion pipe, an induction body, a limiting ring and a screw rod, wherein the sensor support plate is arranged on the support, the sensor is fixed on the sensor support plate through a nut, and the fast combustion pipe with the size and the shape which are accurately designed is arranged right above the sensor; the fast burning pipe is internally provided with a lead through hole, a lead passes through the lead through hole, an inductor is arranged above the fast burning pipe, the inductor is positioned above the lead, the inductor is supported by the lead, a limit ring is arranged above the fast burning pipe, and the screw passes through the limit ring to be fixedly connected with the inductor.

2. The firecrackers pot-assembling, insertion-firing, fire-proof and explosion-proof device according to claim 1, wherein: one end of the PLC control system is electrically connected with the sensor, the other end of the PLC control system is electrically connected with the electromagnetic switch and the power device, the power device is a pneumatic device, and a cylinder is arranged in the pneumatic device.

3. The firecrackers pot-assembling, insertion-firing, fire-proof and explosion-proof device according to claim 1, wherein: the main frame is 4 meters or more than 4 meters away from the auxiliary frame.

4. The firecrackers pot-assembling, insertion-firing, fire-proof and explosion-proof device according to claim 1, wherein: the machine leg is made of steel materials.