CN107044806B - A kind of fireworks tube automatic paper loading sheet devices - Google Patents
A kind of fireworks tube automatic paper loading sheet devices Download PDFInfo
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- CN107044806B CN107044806B CN201710371730.6A CN201710371730A CN107044806B CN 107044806 B CN107044806 B CN 107044806B CN 201710371730 A CN201710371730 A CN 201710371730A CN 107044806 B CN107044806 B CN 107044806B
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- crane
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- 230000007246 mechanism Effects 0.000 claims description 15
- 230000007423 decrease Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 239000003721 gunpowder Substances 0.000 description 7
- 238000004080 punching Methods 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
- F42B4/30—Manufacture
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
The present invention provides a kind of fireworks tube automatic paper loading sheet devices, belong to mechanical equipment technical field.It solves the problems, such as that existing fireworks wound packages scraps of paper efficiency is low.This fireworks tube automatic paper loading sheet devices, including rack have workbench in rack, supporting rack is slidably connected on workbench, supporting rack includes supporting plate, and several through-holes are offered on supporting plate, positioning disk is slidably connected on supporting rack, positioning disk is equipped with clamping device, supporting rack slidably connects crane, and several knife pipes are fixed on crane, thimble is fixed in knife pipe, fore-set is also slidably connected in knife pipe, knife tube cavity is separately connected asepwirator pump and jet pump.Circular paper can be packed into fireworks tube by this fireworks tube automatic paper loading sheet devices automatically, and scraps of paper utilization rate is high.
Description
Technical field
The invention belongs to mechanical equipment technical fields, are related to a kind of fireworks tube automatic paper loading sheet devices.
Background technology
Fireworks are usually formed by several cylinder assembly, several cylinder matrix distributions, and whole rectangular-blocklike, fireworks are adding
The bottom that gunpowder is first packed into cylinder is needed when work produces, the scraps of paper are then packed on gunpowder, then quick-fried pearl cylinder is packed on the scraps of paper,
It is wherein needed on the scraps of paper across lead, therefore the scraps of paper need trepanning, by lead so that gunpowder ignites, to push quick-fried pearl cylinder to
Mid-air explosion, since the scraps of paper need advance trepanning, the scraps of paper of fireworks tube are usually manually loaded before raising, and not only efficiency is low,
And there are security risks.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of fireworks tube automatic paper loading is on chip
It sets, circular paper can be packed into fireworks tube by this fireworks tube automatic paper loading sheet devices automatically, and scraps of paper utilization rate is high.
Object of the invention can be realized by the following technical scheme：A kind of fireworks tube automatic paper loading sheet devices, including machine
Frame, which is characterized in that there is workbench, the workbench upper edge longitudinal sliding motion to be connected with supporting rack, institute in the rack
It states workbench and is equipped with the locating shaft for positioning scraps of paper reel in the side of supporting rack, being equipped in the other side of supporting rack can
The exhaustion mechanism that the scraps of paper are pulled up out from scraps of paper reel, support frame as described above include horizontally disposed supporting plate, and the supporting plate upper edge is vertical
To several through-holes are offered, positioning disk is also transversely slidably connected on support frame as described above, the positioning disk is positioned horizontally in supporting plate
Lower section, be equipped with the clamping device that fireworks tube can be positioned on positioning disk, support frame as described above be equipped with can drive it is fixed
The pneumatic motor one of position disk sliding, support frame as described above vertically slidably connect crane, the liter in the top of supporting plate
Several knife pipes being vertically arranged are fixed on drop frame, the lower end port edge of the knife pipe is cutting edge, and several knife pipes are along vertical
To evenly distributed, and knife pipe is corresponded with the through-hole on supporting plate, and thimble directed downwardly is fixed in the knife pipe, in knife pipe also
It slides axially and is connected with fore-set, support frame as described above, which is equipped with, can drive crane to decline and so that knife pipe is passed through through-hole and stretch into
The inner cavity of vertical cylinder in fireworks tube, the knife pipe is separately connected asepwirator pump and jet pump, and the air-breathing when the scraps of paper are cut
Pump can be evacuated to knife tube cavity so that the scraps of paper rise and are set on thimble, and when knife pipe stretches into fireworks tube, jet pump can
Knife tube cavity is inflated and fore-set is made to decline the ejection scraps of paper, is also fixed on the workbench and supporting rack can be driven back and forth to move
Dynamic longitudinal cylinder.
Scraps of paper reel is located on locating shaft in strip and on scraps of paper reel, pulls out the one of the scraps of paper by the scraps of paper
It holds and is simultaneously pulled through above supporting plate, then connect with exhaustion mechanism, fireworks tube is placed on positioning disk, by clamping device by cigarette
Cylindrical fireworks position so that fireworks tube position is accurate, and vertical cylinder drives crane to decline, and knife pipe can pass through logical on supporting plate
Hole, to be punched into the circular scraps of paper of a row, asepwirator pump is to knife tube cavity air-breathing at this time so that the scraps of paper cut are inhaled into, top
Needle can pierce through the scraps of paper, and as crane continues to decline, the lower end of knife pipe is stretched into fireworks tube cylinder, and jet pump is to knife pipe at this time
It inflates inner cavity so that fore-set declines, to which the scraps of paper be ejected on knife pipe and the gunpowder that is pressed in fireworks tube cylinder, then vertical gas
Cylinder drives crane to rise, that is, the scraps of paper for completing row's cylinder are packed into, and subsequent pneumatic motor one drives positioning disk movement so that
The staving of fireworks tube second row is aligned with the through-hole on supporting plate, while longitudinal cylinder pushing tow supporting rack so that supporting rack movement is big
The distance of half of fireworks tube barrel diameter is caused, i.e., position is opposite between knife pipe and two neighboring round hole on the scraps of paper, correspondingly, drawing
Go out mechanism and the scraps of paper are pulled out into certain length so that the position of knife pipe punching closely position between two neighboring round hole, to fill
Divide and utilize the scraps of paper, improve the utilization rate of the scraps of paper, and so on carry out, realizes and the scraps of paper of entire fireworks tube are packed into, it is convenient and efficient,
Wherein the lower section of the scraps of paper is equipped with gunpowder, and top needs trepanning to be passed through for lead equipped with quick-fried pearl cylinder on the scraps of paper, and this knife pipe
It is interior be provided with thimble, and equipped with by the scraps of paper suck knife pipe function, therefore the scraps of paper when being pressed into fireworks tube in the middle part of offer
Centre bore, to simplify the assembly process of fireworks tube.
In above-mentioned fireworks tube automatic paper loading sheet devices, the upper end of the fore-set is fixed with piston, the piston it is outer
Fixing sleeve is equipped with sealing shroud on wall, which is pressed on knife inside pipe wall, and limit is provided in the axial direction on the knife inside pipe wall
Slot, the limiting slot are located at the top of piston, and the upper surface edge of the piston vertically has the connecting pin of strip, the connection
The upper end of foot has limited block, and the limited block is slidably connected in limiting slot, the upper end of the piston and the top surface of knife pipe it
Between be also associated with the reset tension spring that can make fore-set retraction knife pipe.Piston coordinates with the sealing of knife inside pipe wall, therefore jet pump is to knife
Tube cavity can eject fixed column when inflating, and wherein the limited block on connecting pin coordinates with limiting slot so that the mobile row of fixed column
Journey is fixed, while limiting slot is located at the top of piston, avoids the occurrence of on piston stroke path, improves leakproofness, and in the scraps of paper
Reset tension spring can retract fore-set in knife pipe after ejection.
In above-mentioned fireworks tube automatic paper loading sheet devices, several be through to circumferentially is offered on the upper surface of the piston
The air passing hole of lower face, is also fixed with platen on the upper surface of piston, and above-mentioned air passing hole is looped around the outside of platen, the pressure
Rubber diaphragm is pressed under disk between disk and piston upper surface, the outer diameter of the rubber diaphragm is more than the outer diameter of platen, and rubber
The outer edge part of glue film is covered on air passing hole, and the upper surface of the piston, which is also provided in the axial direction with, is through to fore-set lower end
The upper end of the through hole of end face, the thimble is connected on the top surface of knife pipe, and lower end sequentially passes through platen and through hole, and when top
The lower end of thimble projects through hole when column rises, and the outer wall of the thimble and the internal wall transitions of through hole coordinate.Jet pump is to knife
Rubber diaphragm can block air passing hole when tube cavity is inflated, and gas is avoided to leak, and when asepwirator pump is to knife tube cavity air-breathing, limit
Position block is resisted against on limiting slot upper surface, prevents piston further up, rubber diaphragm can flip up at this time so that gas
Entered by knife pipe lower end, to suck in knife pipe and be set on thimble by the scraps of paper.
In above-mentioned fireworks tube automatic paper loading sheet devices, the crane is in strip, and crane is hollow structure,
Several knife pipes are connected in along crane length direction on the downside of crane, are circumferentially offered on the top surface of the knife pipe
Several air admission holes being connected with crane inner cavity, the asepwirator pump are connected by connection flexible pipe with one end of crane, institute
It states jet pump by connection flexible pipe to be connected with the other end of crane, two is vertically fixed on the upper side of the crane and is led
To axis, the upper level of support frame as described above has support plate, and two guide sleeves, two guiding axis point are fixed in the support plate
It Hua Dong not be threaded through in guide sleeve, the vertical cylinder is connected on the supporting plate, and the piston rod of vertical cylinder is downwards simultaneously
It is fixedly connected with crane.Guiding axis coordinates with guide sleeve so that knife pipe keeps stablizing, and accurately can pass through the through-hole of supporting plate simultaneously
Into in fireworks tube cylinder, and the inner cavity of knife Guan Junyu cranes together with so that several knife pipe air inlets and outlet are uniform.
In above-mentioned fireworks tube automatic paper loading sheet devices, the clamping device includes four fixture blocks, on the positioning disk
Sliding slot there are four circumferentially opening up, the length direction of four sliding slots and the angle of rack transverse direction are 45 °, and four fixture blocks slide respectively
It is connected in four sliding slots, the upper end of the fixture block has L-shaped clamping plate, and the concave surface of clamping plate is towards the centre bit of positioning disk
It sets, the lower edge of clamping plate is born against on the upper side of positioning disk, and being additionally provided on the positioning disk can drive four fixture blocks to calmly
The pneumatic motor two of the central synchronous sliding of position disk.Pneumatic motor two can drive four fixture block synchronous slides so that four folders
Plate holds fireworks tube tightly, and middle clamp plate is to be resisted against on the corner angle of fireworks tube, therefore position more accurate.
In above-mentioned fireworks tube automatic paper loading sheet devices, the center of the positioning disk offers mounting hole, described
Pneumatic motor two is connected in mounting hole, and the motor shaft of pneumatic motor two downward and stretches out mounting hole, the pneumatic motor two
Motor shaft on be fixed with reel, four drag-lines one are wound on the reel, the lower end of the fixture block all has protrusion
The Connection protrusion of sliding slot is fixed with drag-line two in the Connection protrusion, and four drag-lines one are corresponding with four drag-line 211s, and
It is additionally provided with buffer disc one and buffer disc two between drag-line one and drag-line two, vertically there is guide pipe wherein in the disk of buffer disc one
One, vertically have in the disk of the buffer disc two guide pipe two, one sliding plug of the guide pipe described in guide pipe two
Drag-line one slides through buffer disc two and guide pipe and is connected in together on buffer disc one, and the drag-line two slides through buffer disc one
It is connected in together on buffer disc two with guide pipe, buffer spring is also arranged on the guide pipe two, one end of the buffer spring
It is pressed on buffer disc one, the other end is pressed on buffer disc two, and resetting spring is additionally provided in the sliding slot, the resetting spring
One end is pressed on the end face of sliding slot inner end, and the other end is pressed on fixture block.Pneumatic motor two drives reel to rotate and wind drawing
Suo Yi, drag-line one can pull buffer disc one, and buffer disc one compresses buffer spring and pushing tow buffer disc two, to pull drag-line two
And fixture block is made to move, there is buffering effect, wherein guide pipe one and guide pipe two when which can make clamping plate clamp fireworks tube
It is slidably matched so that structure is more stablized.
In above-mentioned fireworks tube automatic paper loading sheet devices, the lower horizontal of support frame as described above has bottom plate, the bottom plate
On be transversely fixed with support shaft, be also transversely rotatably connected to screw rod on the bottom plate, a side of the positioning disk is along solid
It is connected with supporting sleeve, other side edge is fixed with swivel nut, and the supporting sleeve is slidably located in support shaft, and the swivel nut is screwed onto spiral shell
On bar, the motor shaft of the pneumatic motor one and one end of screw rod are fixedly connected with.Positioning disk is supported guiding by support shaft, leads to
It crosses screw rod to be driven, stable structure.
In above-mentioned fireworks tube automatic paper loading sheet devices, two guide rails are fixed on the workbench, two guide rail
Length direction is identical as the longitudinal direction of rack, and guide pad is fixed on the downside of the bottom plate, and the guide pad is slidably connected at
On guide rail, the longitudinal cylinder is along the longitudinally disposed of rack, and the piston rod of longitudinal cylinder is fixedly connected with supporting rack.Guide pad with
Guide rail coordinates so that supporting rack keeps stablizing.
In above-mentioned fireworks tube automatic paper loading sheet devices, the exhaustion mechanism includes that level is connected in workbench one end
Two pressure pins, which is located at two edges of workbench, mounting plate is fixed with vertically on the pressure pin, described
Two friction pulleys are rotatably connected to by axis pin on mounting plate, and the friction pulley on two mounting plates is oppositely arranged, the mounting plate
Upper edge is bent to form connection flange, and two compressor arms, the compressor arm are vertically slidably connected on the connection flange
Lower end be rotatably connected to contact roller, be also arranged with holddown spring on the compressor arm, compressed under the action of holddown spring
The wheel face of wheel is pressed on the wheel face of friction pulley, and mounting plate is stretched out in the end of the axis pin, and is fixed with belt wheel in external part, and two
The belt wheel is connected by belt, and pneumatic motor three is also fixed on the mounting plate, the motor shaft of the pneumatic motor three with
Wherein an axis pin is fixedly connected with.One end of the scraps of paper is clamped in after pulling out between contact roller and friction pulley, when pneumatic motor three drives
The scraps of paper can be driven to move when two friction wheel from rotation, simple and stable structure.
In above-mentioned fireworks tube automatic paper loading sheet devices, there are two hinged seats on the upper side of the supporting plate, two hinge
Joint chair is located at supporting plate close to the edge of locating shaft, and two hinged seats are located at the both ends of brace edge, lead on the hinged seat
It crosses axis pin and is hinged with tensioning plate, the tensioning block of rubber material is fixed on the downside of the tensioning plate, is gone back on the axis pin
It is arranged with tensioning torsion spring, tensioning block is pressed on supporting plate upper side under the action of tensioning torsion spring.Due to scraps of paper reel weight compared with
Greatly, scraps of paper reel will continue to the release scraps of paper due to inertia when therefore exhaustion mechanism pulls the scraps of paper, and tensioning block is pressed on the scraps of paper
The scraps of paper part above supporting plate can be made to keep tight, improve the precision of scraps of paper punching.
Compared with prior art, this fireworks tube automatic paper loading sheet devices have the following advantages：
1, due to longitudinal cylinder pushing tow supporting rack so that supporting rack moves the distance of substantially half fireworks tube barrel diameter,
I.e. position is opposite between knife pipe and two neighboring round hole on the scraps of paper, correspondingly, the scraps of paper are pulled out certain length by exhaustion mechanism, makes
Closely the utilization rate of the scraps of paper is improved in position to make full use of the scraps of paper between two neighboring round hole the position of knife pipe punching.
2, due to needing trepanning to be passed through for lead on the scraps of paper, and it is provided with thimble in this knife pipe, and is equipped with and inhales the scraps of paper
Enter the function of knife pipe, thus the scraps of paper when being pressed into fireworks tube in the middle part of offer centre bore, to simplify the assembly of fireworks tube
Process.
3, since pneumatic motor two drives reel to rotate and wind drag-line one, drag-line one can pull buffer disc one, delay
Punch plate one compresses buffer spring and pushing tow buffer disc two, and to pull drag-line two and fixture block is made to move, which can make clamping plate
There is buffering effect when clamping fireworks tube.
Description of the drawings
Fig. 1 is the dimensional structure diagram of fireworks tube automatic paper loading sheet devices.
Fig. 2 is the lateral partial structurtes sectional view of fireworks tube automatic paper loading sheet devices.
Fig. 3 is the schematic enlarged-scale view at A in Fig. 2.
Fig. 4 is the schematic enlarged-scale view at B in Fig. 2.
Fig. 5 is the schematic enlarged-scale view at C in Fig. 1.
Fig. 6 is the lateral partial structurtes sectional view of clamping device.
Fig. 7 is the schematic enlarged-scale view at D in Fig. 6.
Fig. 8 is the schematic enlarged-scale view at E in Fig. 1.
Fig. 9 is the schematic enlarged-scale view at F in Fig. 1.
Figure 10 is the schematic enlarged-scale view at G in Fig. 1.
In figure, 1, rack；11, workbench；111, guide rail；112, longitudinal cylinder；12, locating shaft；2, supporting rack；21、
Support plate；211, guide sleeve；22, supporting plate；221, through-hole；222, hinged seat；23, bottom plate；231, support shaft；232, screw rod；
233, pneumatic motor one；24, guide pad；3, positioning disk；31, sliding slot；32, supporting sleeve；33, swivel nut；4, crane；41, knife pipe；
411, thimble；412, limiting slot；413, air admission hole；42, fore-set；421, piston；422, sealing shroud；423, connecting pin；424, it limits
Position block；425, air passing hole；426, platen；427, rubber diaphragm；428, through hole；43, vertical cylinder；44, asepwirator pump；45, it sprays
Air pump；46, reset tension spring；47, connection flexible pipe；48, guiding axis；5, clamping device；51, fixture block；511, clamping plate；512, it connects convex
Portion；52, pneumatic motor two；53, reel；54, drag-line one；55, drag-line two；56, buffer disc one；561, guide pipe one；57, delay
Punch plate two；571, guide pipe two；58, buffer spring；59, resetting spring；6, exhaustion mechanism；61, pressure pin；62, mounting plate；621、
Connect flange；63, friction pulley；64, compressor arm；65, contact roller；66, holddown spring；67, belt wheel；68, belt；69, pneumatic electricity
Machine three；7, tensioning plate；71, tensioning block；72, tensioning torsion spring.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1 and Figure 2, a kind of fireworks tube automatic paper loading sheet devices, including rack 1 have workbench in rack 1
11,11 upper edge longitudinal sliding motion of workbench is connected with supporting rack 2, and workbench 11 is equipped in the side of supporting rack 2 for positioning
The locating shaft 12 of scraps of paper reel is equipped with the exhaustion mechanism that can pull up out the scraps of paper from scraps of paper reel in the other side of supporting rack 2
6, supporting rack 2 includes horizontally disposed supporting plate 22, offers several through-holes 221 on supporting plate 22 along longitudinal direction, also along cross on supporting rack 2
To positioning disk 3 is slidably connected, positioning disk 3 is positioned horizontally in the lower section of supporting plate 22, is equipped with and can determine fireworks tube on positioning disk 3
The clamping device 5 that position is lived, supporting rack 2 are equipped with the pneumatic motor 1 that positioning disk 3 can be driven to slide, and supporting rack 2 is in supporting plate
22 top vertically slidably connects crane 4, and several knife pipes 41 being vertically arranged, knife pipe are fixed on crane 4
41 lower end port edge is cutting edge, and several knife pipes 41 are evenly distributed along longitudinal direction, and knife pipe 41 and the through-hole 221 1 on supporting plate 22
One corresponds to, and is fixed with thimble 411 directed downwardly in knife pipe 41, also slides axially in knife pipe 41 and be connected with fore-set 42, supporting rack 2
Being equipped with can drive crane 4 to decline and so that knife pipe 41 is passed through through-hole 221 and stretch into the vertical cylinder 43 in fireworks tube, knife pipe
41 inner cavity is separately connected asepwirator pump 44 and jet pump 45, and asepwirator pump 44 can take out 41 inner cavity of knife pipe when the scraps of paper are cut
Gas so that the scraps of paper rise and is set on thimble 411 that jet pump 45 can be in knife pipe 41 when knife pipe 41 stretches into fireworks tube
Chamber is inflated and fore-set 42 is made to decline the ejection scraps of paper, and the vertical of the reciprocating movement of supporting rack 2 can be driven by being also fixed on workbench 11
To cylinder 112.Scraps of paper reel is located on locating shaft 12 by the scraps of paper in strip and on scraps of paper reel, pulls out the scraps of paper
One end and be pulled through above supporting plate 22, then connect with exhaustion mechanism 6, fireworks tube be placed on positioning disk 3, pass through clamping
Mechanism 5 positions fireworks tube so that fireworks tube position is accurate, and vertical cylinder 43 drives crane 4 to decline, and knife pipe 41 can be worn
The through-hole 221 on supporting plate 22 is crossed, to be punched into the circular scraps of paper of a row, asepwirator pump 44 makes 41 inner cavity air-breathing of knife pipe at this time
The scraps of paper that must be cut are inhaled into, and thimble 411 can pierce through the scraps of paper, and as crane 4 continues to decline, cigarette is stretched into the lower end of knife pipe 41
In cylindrical fireworks cylinder, jet pump 45 inflates 41 inner cavity of knife pipe at this time so that fore-set 42 declines, to which the scraps of paper are ejected knife pipe 41 simultaneously
It is pressed on the gunpowder in fireworks tube cylinder, then vertical cylinder 43 drives crane 4 to rise, that is, completes the scraps of paper of row's cylinder
It is packed into, subsequent pneumatic motor 1 drives positioning disk 3 to move so that the staving of fireworks tube second row and the through-hole on supporting plate 22
221 alignment, while 112 pushing tow supporting rack 2 of longitudinal cylinder so that supporting rack 2 move substantially half fireworks tube barrel diameter away from
From that is, position is opposite between knife pipe 41 and two neighboring round hole on the scraps of paper, correspondingly, exhaustion mechanism 6 pulls out the scraps of paper centainly
Length so that closely the scraps of paper are improved in position between two neighboring round hole to make full use of the scraps of paper for the position that knife pipe 41 is punched
Utilization rate, and so on carry out, realize and the scraps of paper of entire fireworks tube are packed into, convenient and efficient, the lower section of the wherein scraps of paper is equipped with
Gunpowder, top needs trepanning to be passed through for lead equipped with quick-fried pearl cylinder on the scraps of paper, and thimble 411 is provided in this knife pipe 41,
And equipped with by the function of scraps of paper sucking knife pipe 41, thus the scraps of paper when being pressed into fireworks tube in the middle part of offer centre bore, to
Simplify the assembly process of fireworks tube.
In conjunction with shown in Fig. 3, Fig. 4, the upper end of fore-set 42 is fixed with piston 421, and fixing sleeve is equipped with close on the outer wall of piston 421
Big envelope 422, the sealing shroud 422 are pressed on 41 inner wall of knife pipe, are provided in the axial direction with limiting slot 412 on 41 inner wall of knife pipe, the limit
Position slot 412 is located at the top of piston 421, and the upper surface edge of piston 421 vertically has the connecting pin 423 of strip, connecting pin
There is limited block 424, limited block 424 to be slidably connected in limiting slot 412 for 423 upper end, upper end and the knife pipe 41 of piston 421
Being also associated between top surface can be such that the reset tension spring 46 of 42 retraction knife pipe 41 of fore-set, piston 421 matches with 41 inner wall sealing of knife pipe
Close, therefore when jet pump 45 inflate 41 inner cavity of knife pipe can eject fixed column, wherein the limited block 424 on connecting pin 423 and
Limiting slot 412 coordinates so that the shift motion of fixed column is fixed, while limiting slot 412 is located at the top of piston 421, avoids the occurrence of
In 421 travel paths of piston, leakproofness is improved, and fore-set 42 can be retracted knife pipe 41 by reset tension spring 46 after scraps of paper ejection
It is interior.Several air passing holes 425 for being through to lower face are circumferentially offered on the upper surface of piston 421, on the upper surface of piston 421
Also it is fixed with platen 426, air passing hole 425 is looped around the outside of platen 426, between 421 upper surface of 426 times disks of platen and piston
It is pressed on rubber diaphragm 427, the outer diameter of rubber diaphragm 427 is more than the outer diameter of platen 426, and the outer edge of rubber diaphragm 427
Divide and be covered on air passing hole 425, the upper surface of piston 421 is also provided in the axial direction with the through hole for being through to 42 lower end surface of fore-set
428, the upper end of thimble 411 is connected on the top surface of knife pipe 41, and lower end sequentially passes through platen 426 and through hole 428, and works as fore-set
The lower end of thimble 411 projects through hole 428 when 42 rising, and the outer wall of thimble 411 coordinates with the internal wall transitions of through hole 428, spray
Rubber diaphragm 427 can block air passing hole 425 when air pump 45 inflates 41 inner cavity of knife pipe, and gas is avoided to leak, and asepwirator pump
When 44 pairs of 41 inner cavity air-breathings of knife pipe, limited block 424 is resisted against on 412 upper surface of limiting slot, prevents piston 421 further up,
Rubber diaphragm 427 can flip up at this time so that gas is entered by 41 lower end of knife pipe, to suck the scraps of paper in knife pipe 41 simultaneously
It is set on thimble 411.Crane 4 is in strip, and crane 4 is hollow structure, and several knife pipes 41 are along 4 length side of crane
To being connected on the downside of crane 4, circumferentially offered on the top surface of knife pipe 41 it is several be connected with 4 inner cavity of crane into
Stomata 413, asepwirator pump 44 are connected by connection flexible pipe 47 with one end of crane 4, jet pump 45 by connection flexible pipe 47 with
The other end of crane 4 is connected, and two guiding axis 48, the upper level of supporting rack 2 are vertically fixed on the upper side of crane 4
With support plate 21, two guide sleeves 211 are fixed in support plate 21, two guiding axis 48 slide be threaded through in guide sleeve 211 respectively,
Vertical cylinder 43 is connected in support plate 21, and the piston rod of vertical cylinder 43 is fixedly connected with downwards and with crane 4, is oriented to
Axis 48 coordinates with guide sleeve 211 so that knife pipe 41 keeps stablizing, and can accurately pass through the through-hole 221 of supporting plate 22 and enter cigarette
In cylindrical fireworks cylinder, and knife pipe 41 with the inner cavity of crane 4 together with so that several 41 air inlets of knife pipe and outlet are uniform.
In conjunction with shown in Fig. 5, Fig. 6, Fig. 7, clamping device 5 includes four fixture blocks 51, and four cunnings are circumferentially offered on positioning disk 3
Slot 31, the angle that the length direction of four sliding slots 31 is lateral with rack 1 is 45 °, and four fixture blocks 51 are slidably connected at four respectively
In a sliding slot 31, the upper end of fixture block 51 has L-shaped clamping plate 511, and the concave surface of clamping plate 511 is towards the centre bit of positioning disk 3
Set, the lower edge of clamping plate 511 is born against on the upper side of positioning disk 3, be additionally provided on positioning disk 3 can drive four fixture blocks 51 to
The pneumatic motor 2 52 of the central synchronous sliding of positioning disk 3, pneumatic motor 2 52 can drive four 51 synchronous slides of fixture block, make
It obtains four clamping plates 511 and holds fireworks tubes tightly, middle clamp plate 511 is to be resisted against on the corner angle of fireworks tube, therefore position more accurate.It is fixed
The center of position disk 3 offers mounting hole, and pneumatic motor 2 52 is connected in mounting hole, and the motor shaft of pneumatic motor 2 52
Downward and mounting hole is stretched out, reel 53 is fixed on the motor shaft of pneumatic motor 2 52, four drawings are wound on reel 53
Rope 1, the lower end of fixture block 51 all have the Connection protrusion 512 of protrusion sliding slot 31, drag-line two are fixed in Connection protrusion 512
55, four drag-lines 1 and four drag-lines 2 55 correspond, and buffer disc one is additionally provided between drag-line 1 and drag-line 2 55
56 and buffer disc 2 57, vertically there is guide pipe 1 wherein in the disk of buffer disc 1, hang down in the disk of buffer disc 2 57
Directly there is guide pipe 2 571, for one 561 sliding plug of guide pipe in guide pipe 2 571, drag-line 1 slides through buffer disc two
It 57 and guide pipe 1 and is connected on buffer disc 1, drag-line 2 55 slides through buffer disc 1 and guide pipe 1 simultaneously
It is connected on buffer disc 2 57, buffer spring 58 is also arranged on guide pipe 2 571, one end of the buffer spring 58 is pressed on slow
In punch plate 1, the other end is pressed on buffer disc 2 57, and resetting spring 59 is additionally provided in the sliding slot 31, the resetting spring 59
One end be pressed on 31 inner end end face of sliding slot, the other end is pressed on fixture block 51, pneumatic motor 2 52 drive reel 53 revolve
Turn and wind drag-line 1, drag-line 1 can pull buffer disc 1, and buffer disc 1 compresses buffer spring 58 and pushing tow is slow
Punch plate 2 57 has slow to pull drag-line 2 55 and fixture block 51 is made to move, when which can make clamping plate 511 clamp fireworks tube
Effect is rushed, wherein guide pipe 1 is slidably matched with guide pipe 2 571 so that structure is more stablized.The lower part water of supporting rack 2
It is flat that there is bottom plate 23, it is transversely fixed with support shaft 231 on bottom plate 23, screw rod 232 is also transversely rotatably connected on bottom plate 23,
Along being fixed with supporting sleeve 32, other side edge is fixed with swivel nut 33 for a side of positioning disk 3, and supporting sleeve 32 is slidably located in support
On axis 231, swivel nut 33 is screwed onto on screw rod 232, and one end of the motor shaft and screw rod 232 of pneumatic motor 1 is fixedly connected with, positioning
Disk 3 is supported guiding by support shaft 231, is driven by screw rod 232, stable structure.It is fixed on workbench 11
The length direction of two guide rails 111, two guide rail 111 is identical as the longitudinal direction of rack 1, and guide pad is fixed on the downside of bottom plate 23
24, guide pad 24 is slidably connected on guide rail 111, and longitudinal cylinder 112 is longitudinally disposed along rack 1, and the work of longitudinal cylinder 112
Stopper rod is fixedly connected with supporting rack 2, and guide pad 24 coordinates with guide rail 111 so that supporting rack 2 keeps stablizing.
In conjunction with shown in Fig. 8, Fig. 9, Figure 10, exhaustion mechanism 6 includes two pressure pins 61 that level is connected in 11 one end of workbench,
Two pressure pin 61 is located at two edges of workbench 11, is fixed with mounting plate 62, the installation on pressure pin 61 vertically
Two friction pulleys 63 are rotatably connected to by axis pin on plate 62, and the friction pulley 63 on two mounting plates 62 is oppositely arranged, mounting plate 62
Upper edge be bent to form connection flange 621, connect flange 621 on vertically slidably connect two compressor arms 64, compress
The lower end of bar 64 is rotatably connected to contact roller 65, holddown spring 66 is also arranged on compressor arm 64, in the work of holddown spring 66
It is pressed on the wheel face of lower contact roller 65 on the wheel face of friction pulley 63, mounting plate 62 is stretched out in the end of axis pin, and solid in external part
It is connected with belt wheel 67, two belt wheels 67 are connected by belt 68, pneumatic motor 3 69 are also fixed on mounting plate 62, the pneumatic motor
3 69 motor shaft is fixedly connected with a wherein axis pin, one end of the scraps of paper be clamped in after pulling out contact roller 65 and friction pulley 63 it
Between, the scraps of paper can be driven to move when pneumatic motor 3 69 drives the rotation of two friction pulleys 63, simple and stable structure.Supporting plate 22 it is upper
There are two hinged seats 222, which is located at supporting plate 22 close to the edge of locating shaft 12, and two hinged seats on side
222 are located at the both ends at 22 edge of supporting plate, are hinged with tensioning plate 7 by axis pin on hinged seat 222, on the downside of tensioning plate 7
It is fixed with the tensioning block 71 of rubber material, tensioning torsion spring 72 is also arranged on axis pin, is tensioned under the action of tensioning torsion spring 72
Block 71 is pressed on 22 upper side of supporting plate, since scraps of paper reel weight is larger, scraps of paper reel when exhaustion mechanism 6 pulls the scraps of paper
Since inertia will continue to the release scraps of paper, and tensioning block 71 is pressed on the scraps of paper part of the top of supporting plate 22 can be made to keep tight on the scraps of paper
It is taut, improve the precision of scraps of paper punching.
Claims (10)
1. a kind of fireworks tube automatic paper loading sheet devices, including rack (1), which is characterized in that flat with work on the rack (1)
Platform (11), workbench (11) the upper edge longitudinal sliding motion are connected with supporting rack (2), and the workbench (11) is in supporting rack
(2) side is equipped with locating shaft (12) for positioning scraps of paper reel, the other side of supporting rack (2) be equipped with can by the scraps of paper from
The exhaustion mechanism (6) that scraps of paper reel pulls up out, support frame as described above (2) include horizontally disposed supporting plate (22), the supporting plate (22)
On offer several through-holes (221) along longitudinal direction, positioning disk (3) is also transversely slidably connected on support frame as described above (2), it is described fixed
Position disk (3) is positioned horizontally in the lower section of supporting plate (22), and the clamping device that can position fireworks tube is equipped on positioning disk (3)
(5), support frame as described above (2) is equipped with the pneumatic motor one (233) that positioning disk (3) can be driven to slide, and support frame as described above (2) exists
The top of supporting plate (22) vertically slidably connects crane (4), and several be vertically arranged is fixed on the crane (4)
Knife pipe (41), the lower end port edge of the knife pipe (41) is cutting edge, and several knife pipes (41) are evenly distributed along longitudinal direction, and
Knife pipe (41) is corresponded with the through-hole (221) on supporting plate (22), and thimble directed downwardly (411) is fixed in the knife pipe (41),
It also slides axially in knife pipe (41) and is connected with fore-set (42), support frame as described above (2) is equipped with and can drive under crane (4)
It drops and so that knife pipe (41) is passed through through-hole (221) and stretch into the vertical cylinder (43) in fireworks tube, the inner cavity point of the knife pipe (41)
Not Lian Jie asepwirator pump (44) and jet pump (45), and asepwirator pump (44) can be to knife pipe (41) interior chamber pumping when the scraps of paper are cut
So that the scraps of paper rise and are set on thimble (411), when knife pipe (41) stretches into fireworks tube, jet pump (45) can be to knife pipe
(41) inner cavity inflates and fore-set (42) is made to decline the ejection scraps of paper, and supporting rack can be driven by being also fixed on the workbench (11)
(2) longitudinal cylinder (112) moved back and forth.
2. fireworks tube automatic paper loading sheet devices according to claim 1, which is characterized in that the upper end of the fore-set (42) is solid
It is connected with piston (421), fixing sleeve is equipped with sealing shroud (422) on the outer wall of the piston (421), which is pressed on
On knife pipe (41) inner wall, it is provided in the axial direction with limiting slot (412) on knife pipe (41) inner wall, which, which is located at, lives
The top of (421) is filled in, the upper surface edge of the piston (421) vertically has the connecting pin (423) of strip, the connecting pin
(423) there is limited block (424), the limited block (424) to be slidably connected in limiting slot (412) for upper end, the piston
(421) reset tension spring that can make fore-set (42) retraction knife pipe (41) is also associated between upper end and the top surface of knife pipe (41)
(46)。
3. fireworks tube automatic paper loading sheet devices according to claim 2, which is characterized in that the upper end of the piston (421)
Several air passing holes (425) for being through to lower face are circumferentially offered on face, and platen is also fixed on the upper surface of piston (421)
(426), above-mentioned air passing hole (425) is looped around the outside of platen (426), disk and piston (421) upper end under the platen (426)
Rubber diaphragm (427) is pressed between face, the outer diameter of the rubber diaphragm (427) is more than the outer diameter of platen (426), and rubber membrane
The outer edge part of piece (427) is covered on air passing hole (425), and the upper surface of the piston (421), which is also provided in the axial direction with, to be passed through
It wears to the through hole (428) of fore-set (42) lower end surface, the upper end of the thimble (411) is connected on the top surface of knife pipe (41),
Lower end sequentially passes through platen (426) and through hole (428), and the lower end of thimble (411) projects through when fore-set (42) rise
Hole (428), the outer wall of the thimble (411) coordinate with the internal wall transitions of through hole (428).
4. fireworks tube automatic paper loading sheet devices according to claim 3, which is characterized in that the crane (4) is in strip
Shape, and crane (4) is hollow structure, several knife pipes (41) are connected in crane (4) along crane (4) length direction
On downside, several air admission holes being connected with crane (4) inner cavity are circumferentially offered on the top surface of the knife pipe (41)
(413), the asepwirator pump (44) is connected by connection flexible pipe (47) with one end of crane (4), and the jet pump (45) is logical
It crosses connection flexible pipe (47) with the other end of crane (4) to be connected, being vertically fixed with two on the upper side of the crane (4) leads
To axis (48), the upper level of support frame as described above (2) has support plate (21), and two guide sleeves are fixed on the support plate (21)
(211), two guiding axis (48) are slided respectively is threaded through in guide sleeve (211), and the vertical cylinder (43) is connected in support
On plate (21), and the piston rod of vertical cylinder (43) is fixedly connected with downwards and with crane (4).
5. the fireworks tube automatic paper loading sheet devices according to Claims 2 or 3 or 4, which is characterized in that the clamping device
(5) include four fixture blocks (51), four sliding slots (31), the length of four sliding slots (31) are circumferentially offered on the positioning disk (3)
It is 45 ° to spend direction and the angle of rack (1) transverse direction, and four fixture blocks (51) are slidably connected at respectively in four sliding slots (31), described
The upper end of fixture block (51) has a L-shaped clamping plate (511), and the concave surface of clamping plate (511) is towards the center of positioning disk (3),
The lower edge of clamping plate (511) is born against on the upper side of positioning disk (3), and can be driven by being additionally provided on the positioning disk (3) by four
The pneumatic motor two (52) that fixture block (51) is slided to the central synchronous of positioning disk (3).
6. fireworks tube automatic paper loading sheet devices according to claim 5, which is characterized in that the center of the positioning disk (3)
Position offers mounting hole, and the pneumatic motor two (52) is connected in mounting hole, and the motor shaft court of pneumatic motor two (52)
Mounting hole is descended and stretched out, is fixed with reel (53) on the motor shaft of the pneumatic motor two (52), on the reel (53)
Four drag-lines one (54) are wound with, the lower end of the fixture block (51) all has the Connection protrusion (512) of protrusion sliding slot (31), described
Drag-line two (55) is fixed in Connection protrusion (512), four drag-lines one (54) correspond with four drag-lines two (55), and draw
Buffer disc one (56) and buffer disc two (57), the wherein disk of buffer disc one (56) are additionally provided between rope one (54) and drag-line two (55)
Vertically there is guide pipe one (561) on face, vertically there is guide pipe two (571) in the disk of the buffer disc two (57), it is described
In guide pipe two (571), the drag-line one (54) slides through buffer disc two (57) and leads for guide pipe one (561) sliding plug
Xiang Guanyi (561) is simultaneously connected on buffer disc one (56), and the drag-line two (55) slides through buffer disc one (56) and guide pipe
One (561) are simultaneously connected on buffer disc two (57), and buffer spring (58), the buffering are also arranged on the guide pipe two (571)
One end of spring (58) is pressed on buffer disc one (56), and the other end is pressed on buffer disc two (57), in the sliding slot (31)
It is additionally provided with resetting spring (59), one end of the resetting spring (59) is pressed on sliding slot (31) inner end end face, and the other end is pressed on
On fixture block (51).
7. fireworks tube automatic paper loading sheet devices according to claim 6, which is characterized in that the lower part of support frame as described above (2)
Level has bottom plate (23), is transversely fixed with support shaft (231) on the bottom plate (23), on the bottom plate (23) also transversely
It is rotatably connected to screw rod (232), along supporting sleeve (32) is fixed with, other side edge is fixed with a side of the positioning disk (3)
Swivel nut (33), the supporting sleeve (32) are slidably located in support shaft (231), and the swivel nut (33) is screwed onto on screw rod (232),
The motor shaft of the pneumatic motor one (233) and the one end of screw rod (232) are fixedly connected with.
8. fireworks tube automatic paper loading sheet devices according to claim 7, which is characterized in that solid on the workbench (11)
Two guide rails (111) are connected with, the length direction of two guide rail (111) is identical as the longitudinal direction of rack (1), the downside of the bottom plate (23)
Guide pad (24) is fixed on face, the guide pad (24) is slidably connected on guide rail (111), longitudinal cylinder (112) edge
Rack (1) it is longitudinally disposed, and the piston rod of longitudinal cylinder (112) is fixedly connected with supporting rack (2).
9. fireworks tube automatic paper loading sheet devices according to claim 8, which is characterized in that the exhaustion mechanism (6) includes
Level is connected in two pressure pins (61) of workbench (11) one end, which is located at the both sides of workbench (11)
At, mounting plate (62) is fixed on the pressure pin (61) vertically, is rotatably connected to by axis pin on the mounting plate (62)
Two friction pulleys (63), and the friction pulley (63) on two mounting plates (62) is oppositely arranged, the upper edge bending of the mounting plate (62)
Connection flange (621) is formed, two compressor arms (64), the pressure are vertically slidably connected on the connection flange (621)
The lower end of tight bar (64) is rotatably connected to contact roller (65), and holddown spring (66) is also arranged on the compressor arm (64),
The wheel face of contact roller (65) is pressed on the wheel face of friction pulley (63) under the action of holddown spring (66), and the end of the axis pin is stretched
Go out mounting plate (62), and belt wheel (67) is fixed in external part, two belt wheels (67) are connected by belt (68), the peace
Loading board is also fixed with pneumatic motor three (69) on (62), and the motor shaft of the pneumatic motor three (69) is mutually solid with a wherein axis pin
Even.
10. according to the fireworks tube automatic paper loading sheet devices described in claim 9, which is characterized in that the upper side of the supporting plate (22)
It is upper that there are two hinged seats (222), two hinged seat (222) to be located at edge of the supporting plate (22) close to locating shaft (12), and two hinges
Joint chair (222) is located at the both ends at supporting plate (22) edge, and tensioning plate (7), institute are hinged with by axis pin on the hinged seat (222)
The tensioning block (71) for being fixed with rubber material on the downside of tensioning plate (7) is stated, tensioning torsion spring is also arranged on the axis pin
(72), tensioning block (71) is pressed on supporting plate (22) upper side under the action of tensioning torsion spring (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710371730.6A CN107044806B (en) | 2017-05-24 | 2017-05-24 | A kind of fireworks tube automatic paper loading sheet devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710371730.6A CN107044806B (en) | 2017-05-24 | 2017-05-24 | A kind of fireworks tube automatic paper loading sheet devices |
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| Publication Number | Publication Date |
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| CN107044806A CN107044806A (en) | 2017-08-15 |
| CN107044806B true CN107044806B (en) | 2018-10-12 |
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| CN201710371730.6A Active CN107044806B (en) | 2017-05-24 | 2017-05-24 | A kind of fireworks tube automatic paper loading sheet devices |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109777899A (en) * | 2019-01-31 | 2019-05-21 | 广州合驰汽车部件有限公司 | A kind of automotive leather cutting equipment |
| CN109737834B (en) * | 2019-03-13 | 2023-09-08 | 绵阳市奥派科技有限公司 | Medicine pressing device for medicine charging plate |
| CN109969462B (en) * | 2019-04-30 | 2024-05-03 | 浏阳市凯达实业有限责任公司 | Firework powder particle wrapping paper packaging equipment |
| CN110497648A (en) * | 2019-08-16 | 2019-11-26 | 吉文献 | Carton pre-treatment cardboard feed device based on cam return principle |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202442656U (en) * | 2012-02-16 | 2012-09-19 | 江西佳联科技有限公司 | Firework pressing slip device |
| CN103217074B (en) * | 2013-01-21 | 2014-12-10 | 浏阳市颐和隆烟花集团有限公司 | Automatic paper scrap-pressing cutter for combined fireworks |
| CN203586964U (en) * | 2013-11-12 | 2014-05-07 | 唐赛红 | Full-automatic fireworks barrel paper piece plug mechanism |
| CN204301615U (en) * | 2014-07-27 | 2015-04-29 | 雷鸣 | Withdrawing plug scraps of paper device |
| CN104534939A (en) * | 2014-12-05 | 2015-04-22 | 江祖国 | Firecracker paperboard stamping and squeezing integrated machine |
| CN204902687U (en) * | 2015-08-25 | 2015-12-23 | 鲁佰战 | Automatic scraps of paper device of filling in of fireworks and fireworks equipment automatic production line who uses thereof |
| CN105571407B (en) * | 2015-12-08 | 2017-12-08 | 罗词芳 | A kind of fireworks justify the automatic embedded device of the scraps of paper |
| CN205209367U (en) * | 2015-12-16 | 2016-05-04 | 江西佳联科技有限公司 | A scraps of paper filling device for on fireworks production line |
| CN105758263B (en) * | 2016-03-09 | 2017-05-31 | 宋小玲 | The automatic punching slicer of fireworks tube |
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Effective date of registration: 20180828 Address after: 318001 room 1406, building 2, Boao business sea, Jiaojiang District, Taizhou, Zhejiang. Applicant after: TAIZHOU CHUANGXING ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 311499 No. 71, Sha Road, Fuchun street, Fuyang District, Hangzhou, Zhejiang (Institute of mechanical automation) Applicant before: Song Yabin |
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Effective date of registration: 20191118 Address after: Ganquan road Shushan District of Hefei City, Anhui Province, 230000 West hillock road to the South Wild Garden commercial office building room B-1512 Patentee after: ANHUI YINGLONG INDUSTRIAL DESIGN Co.,Ltd. Address before: Taizhou City, Zhejiang province Jiaojiang District No. 318001 Building No. 2 room 1406 Boao Patentee before: TAIZHOU CHUANGXING ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20191204 Address after: 233010 No. 409 Wuwan Road, Yuhui District, Bengbu City, Anhui Province Patentee after: BENGBU JINSHI NEW MATERIAL Co.,Ltd. Address before: Ganquan road Shushan District of Hefei City, Anhui Province, 230000 West hillock road to the South Wild Garden commercial office building room B-1512 Patentee before: ANHUI YINGLONG INDUSTRIAL DESIGN Co.,Ltd. |
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Effective date of registration: 20200921 Address after: She Gang Zhen Yuan Tian Cun, Liuyang City, Changsha City, Hunan Province Patentee after: Liuyang Yuanxiang export fireworks production and setting off Co.,Ltd. Address before: 233010 No. 409 Wuwan Road, Yuhui District, Bengbu City, Anhui Province Patentee before: BENGBU JINSHI NEW MATERIAL Co.,Ltd. |
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Application publication date: 20170815 Assignee: Liuyang Shunyi Fireworks Material Manufacturing Co.,Ltd. Assignor: Liuyang Yuanxiang export fireworks production and setting off Co.,Ltd. Contract record no.: X2023980046010 Denomination of invention: An automatic paper loading device for fireworks tubes Granted publication date: 20181012 License type: Common License Record date: 20231107 |