CN208366180U - A kind of fireworks paper tube of crimping formula ontology sealing - Google Patents

Abstract

The utility model discloses a kind of fireworks paper tubes of crimping formula ontology sealing, the side wall of the bottom end of the fireworks paper tube is equipped with several grooves from periphery to central concave, the bottom of each groove is closed up inside fireworks paper tube, respectively closes up the bottom nozzle of the glued closed fireworks paper tube in face.Without soil back cover, mitigates fireworks finished weight, be conducive to environmental protection；Crimping back cover part, which constitutes effectively to set off, sentences the accuser to the punishment facing the person he falsely accused buffering, it is ensured that cylinder is stablized when setting off；Crimping back cover part constitutes effective liftoff isolation, has preferable dampproof effect, avoids the intracorporal drug damp failure of cylinder；The usage amount of propellant powder can be reduced.

Description

A kind of fireworks paper tube of crimping formula ontology sealing

Technical field

The utility model relates to a kind of fireworks paper tubes of ontology sealing.

Background technique

Occurs a kind of fireworks paper tube that barrel end side wall is shaped as to the end seals in the prior art, with traditional work Skill is different, and the closing of port is soil using cylinder ontology rather than external, avoids some disadvantages of traditional mud underseal mouth End.The referred to as fireworks paper tube of ontology sealing.

As 106091843 A of Chinese utility model patent document CN disclose it is a kind of " fireworks paper tube and its sealing die, The effect tube of mouth-sealing method and the fireworks paper tube ".The bottom seal of fireworks paper tube is squeezed by cylinder itself to be formed.Its sealing die It is touched including male model and mother, the male model includes the cylinder that can enter in cylinder, and one end of the cylinder is the forming ends of the underseal, The master mold has the forming tank matched with male model forming ends, and master mold can be covered in one end of cylinder, for applying to cylinder rotation Pressure makes the cylinder end become underseal.

In the ontology sealing technique of existing fireworks paper tube, fireworks paper tube upper mold is rotated and is pressed, is existed as following drawbacks:

One, closed port, which will be bent, dissolves paper tube side wall, causes the increase of the cost of raw material, such as predetermined 30cm high Paper tube, it is necessary to which accomplishing that 32cm is even higher can just meet the requirements；

Secondly, because closed port consumed by paper tube length it is different, cause closing after fireworks paper tube height it is different；

Thirdly, the bottom end of the flat paper tube of production it is liftoff too close non-moistureproof, while bottom face drum is easy to appear when setting off It the case where packet, cylinder bounce, influences to set off；The concave bottom paper tube of production needs the auxiliary of additional increase paper bar Ba Zuowei closed bottom end mouth Assistant's section, increases production material and processing flow；

Four, barrel end side wall is shaped as to the sealing of the end, the rotation of long period is needed to press and could complete, Cause the production efficiency of equipment not high.

Utility model content

In order to solve above-mentioned drawback, technical problem to be solved by the utility model is to provide a kind of cigarettes of ontology sealing Marble paper cylinder, production is efficiently, high unity, moisture resistance are good, saves raw material；In order to solve the above-mentioned technical problem, the utility model is adopted Technical solution is a kind of fireworks paper tube of crimping formula ontology sealing, including fireworks paper tube ontology, which is characterized in that described The side wall of the bottom end of fireworks paper tube is equipped with several grooves from periphery to central concave, and the bottom of each groove is inside fireworks paper tube Close up, respectively closes up the bottom nozzle of the glued closed fireworks paper tube in face.

The processing mold of the fireworks paper tube includes crimping mold and extrusion die, and the crimping mold includes several circumference The crimping rib of distribution, the assembly of several crimping ribs have the inner cavity of tapered shape, and crimping mold connects the first actuator direction The movement of fireworks paper tube bottom nozzle, extrudes several folding lines on the cylinder body outer wall at fireworks paper tube bottom nozzle；If extrusion die is equipped with Dry extrusion edge, the quantity of extrusion edge and position are correspondingly arranged with folding line, and extrusion edge connects the second actuator along the cylinder of fireworks paper tube Body is moved radially towards cylinder, the folding line is squeezed into the groove from periphery to central concave, the bottom of each groove is in fireworks paper Cylinder is internal to be closed up, and the bottom nozzle of the glued closed fireworks paper tube in face is respectively closed up.

Preferably, the processing mold of the fireworks paper tube further includes the shaper with extrusion die cooperating, described If cover half mold includes that dry setting presses rib, the quantity of sizing pressure rib and position are correspondingly arranged with the recess sidewall, sizing pressure rib Connection third actuator is moved along the cylinder of fireworks paper tube radially towards cylinder, and it is fixed that the recess sidewall between extrusion die is compacted Type.Be conducive to the suitable effective sizing for respectively closing up face gluing closed structure.

The production method of the fireworks paper tube of crimping formula ontology sealing includes the following steps:

Step 1, fireworks paper tube is fixed, is glued in the cylinder bottom end inner cavity of fireworks paper tube；

Step 2, crimping mold connects the first actuator and moves towards fireworks paper tube bottom nozzle, at fireworks paper tube bottom nozzle Cylinder body outer wall on extrude several folding lines, several folding lines are distributed along the cylinder lateral wall even circumferential of fireworks paper tube, the folding line court It is recessed to body centre direction；

Step 3, extrusion die is equipped with several extrusion edges, and the quantity of extrusion edge and position are corresponding with the folding line described in step 2 Setting, extrusion edge connect the second actuator and move along the cylinder of fireworks paper tube radially towards cylinder, the folding line was squeezed into from week While the bottom of each groove is closed up inside fireworks paper tube to the groove of central concave, respectively close up the glued closed fireworks paper tube in face Bottom nozzle.

Preferably, the fixed form of the fireworks paper tube is selected from interior fixation or outer fixed, and outer fixation is to fireworks paper tube outer wall It is gripped；The interior fixation covers fireworks paper tube on drill steel.

Preferably, the drill steel is nested in the cylinder lumen of fireworks paper tube, when extrusion die works, the end face pair of drill steel Face of closing up inside fireworks paper tube is compressed axially.In order to which the inner face to closed end carries out shaping.Further, described Drill steel carries out the axial compression while rotating.To optimize shaping effect.With improvement, the end face of the drill steel is taper. The cavity of taper is formed on the inner face of the closed end of fireworks paper tube, when cavity device propellant powder can be improved drug and fire Acting performance, reduce propellant powder usage amount.

Preferably, the step 3 of the production method of the fireworks paper tube further includes shaping process, with extrusion die cooperating If shaper include dry setting press rib, sizing pressure rib quantity and position be correspondingly arranged with the recess sidewall；Extrusion die After the folding line is squeezed into groove by tool, sizing pressure rib connection third actuator is transported along the cylinder of fireworks paper tube radially towards cylinder It is dynamic, the recess sidewall between extrusion die is compacted sizing.Be conducive to the suitable effective sizing for respectively closing up face gluing closed structure.

The utility model has the beneficial effects that: 1. are not necessarily to soil back cover, mitigate fireworks finished weight, is conducive to environment guarantor Shield；2. crimping back cover part, which constitutes effectively to set off, sentences the accuser to the punishment facing the person he falsely accused buffering, it is ensured that cylinder is stablized when setting off；3. crimping back cover part is constituted Effective liftoff isolation, has preferable dampproof effect, avoids the intracorporal drug damp failure of cylinder；4. propellant powder can be reduced Usage amount.

The utility model is described further with reference to the accompanying drawings and detailed description.

Detailed description of the invention

Fig. 1 is fireworks paper tube structural schematic diagram；

Fig. 2 is the structural schematic diagram of 1 crimping mold of embodiment；

Fig. 3 is that crimping mold A shown in Fig. 2 is intended to facing structure；

Fig. 4 is 1 crimping mold of embodiment and fireworks paper tube fit structure schematic diagram；

Fig. 5 is the effect diagram after 1 fireworks paper tube crimping of embodiment (crimping mold is pressed into the lesser state of stroke)；

Fig. 6 is the effect diagram after 1 fireworks paper tube crimping of embodiment (crimping mold is pressed into the biggish state of stroke)；

Fig. 7 is the structural schematic diagram of folding tablet in embodiment 1；

Fig. 8,9 for folding tablet other embodiments structure type schematic diagram (identical as the visual angle Fig. 7)；

Figure 10~18 are the crimping mold structure diagram of other embodiments (visual angle is all identical as Fig. 3)；

Figure 19 is the schematic perspective view of 1 extrusion die of embodiment；

Figure 20 is the overlooking structure diagram of 1 extrusion die of embodiment；

Figure 21~25 are the structure of extrusion schematic diagram of other embodiments (visual angle is all identical as Figure 20)；

Figure 26 is 1 fireworks paper tube of embodiment effect diagram after extruding；

Figure 27 is that theory structure schematic diagram is looked up in 1 fireworks paper tube of embodiment bottom end after extruding；

Figure 28~32 be other embodiments in fireworks paper tube bottom end after extruding look up theory structure schematic diagram (visual angle all with Figure 27 is identical)；

Figure 33 is 1 fireworks paper tube of embodiment internal theory structure schematic diagram (cylinder vertical profile) after extruding；

Figure 34~37 be fireworks paper tube internal theory structure schematic diagram after extruding in other embodiments (visual angle all with Figure 33 It is identical)；

Figure 38 is the theory structure schematic diagram of the cross section of 1 fireworks paper tube of embodiment each groove after extruding；

Figure 39~43 are theory structure schematic diagram (visual angle and Figure 38 phase of the cross section of each groove in other embodiments Together)；

Figure 44 is the driving mechanism theory structure schematic diagram of 1 fireworks paper tube extrusion die of embodiment；

Figure 45~47 are the driving mechanism theory structure schematic diagram of fireworks paper tube extrusion die in other embodiments；

Figure 48 is the whole theory structure schematic diagram of 1 fireworks paper tube process equipment of embodiment；

Figure 49~52 are that the extrusion die of slope notch 306, driving machine are equipped with using extrusion edge in other embodiments Structure theory structure schematic diagram；

Figure 53~56 are that the extrusion die of arc gap 307, driving machine are equipped with using extrusion edge in other embodiments Structure theory structure schematic diagram；

Figure 57 is the workflow schematic illustration of shaper in other embodiments；

Figure 58 is the whole theory structure schematic diagram of fireworks paper tube process equipment in other embodiments；

Figure 59 is the whole theory structure schematic diagram of fireworks paper tube process equipment in other embodiments.

Specific embodiment

Embodiment 1: reflect a kind of specific structure of the utility model, the life of the fireworks paper tube of the crimping formula ontology sealing Production method includes the following steps:

Step 1, eight drill steels 12 are equipped on the turntable 6 shown in Figure 48,6 intermittent rotary of turntable is driven by drill steel 12 Fireworks paper tube 1 sequentially by into cylinder station 601, sizing station 602, crimping station 603, extrusion position 604, move back a station 605. To complete the processing of a paper tube.In addition turntable can also use structure as shown in figure 50, and turntable 901 is surrounded by eight The stretching direction of drill steel 902, drill steel 902 is different, but purpose of utility model also may be implemented.

In other embodiment system can also using structure as indicated as 58, along conveyer belt 801 direction of advance according to Sequence is dispersed with into cylinder station 802, sizing station 803, crimping station 804, extrusion position 805, moves back a station 806.On each station The fixed form of fireworks paper tube can be using interior fixation or fixed outside, and outer fixation grips fireworks paper tube outer wall；Institute Interior fixation is stated to cover fireworks paper tube on drill steel.It can realize purpose of utility model.Each station can also be set side by side more A fixed mechanism, while multiple fireworks paper tubes are processed.

As shown in figure 4, the top ports 11 of fireworks paper tube 1 are nested on drill steel 12, in the cylinder bottom end of fireworks paper tube 1 Chamber sizing.

Step 2, crimping mold 2 connects the first actuator (being not drawn into figure) towards the bottom of fireworks paper tube 1 by connecting rod 203 Port 10 moves, and four folding lines 101, the recess direction direction of the folding line 101 are extruded on the cylinder body outer wall at bottom nozzle 10 Body centre direction.

The crimping mold 2 includes four die mould pieces in even circumferential distribution, as shown in Fig. 2,7, the root of each die mould piece Portion 202 is fixed together, and the assembly of the oblique crimping rib 201 of each die mould piece has the inner cavity of tapered shape.Molded piece 2 connects Actuator 3 is moved towards 1 port of fireworks paper tube, and 1 end of fireworks paper tube is inserted in the inner cavity and is pressed, can be in fireworks paper tube Extrude four folding lines 101 on cylinder body outer wall at 1 port, the recess direction of folding line 101 is towards body centre direction.Molded piece 2 Indentation stroke it is smaller when, as shown in figure 5, the end of fireworks paper tube 1 top of similar cone shape made of die mould is also stayed Hole.When the indentation stroke of molded piece 2 is larger, as shown in fig. 6, being closed at the top of the similar cone shape.

The structure of 1 medium-pressure type piece of embodiment is known in as shown in fig. 7, still those skilled in the art combine according to the above description Common sense is no longer superfluous it is recognized that the achievable purpose of utility model of the rib body of structure or other structures as shown in Figure 8,9 It states.

Such as Fig. 3, the quantity of 1 medium-pressure type piece of embodiment is four.But those skilled in the art combine according to the above description Common knowledge it is recognized that as shown in Figure 10 two die mould pieces, three die mould pieces as shown in figure 11, such as Figure 12 show five Purpose of utility model can be achieved in a die mould piece, as shown in fig. 13 that six die mould pieces and the die mould piece of other quantity, no longer It repeats.

As shown in figure 14, difference from example 1 is that, the quantity of this example medium-pressure type piece 5 is two；Meanwhile respectively The outside of die mould piece 5 is fixed together by cylindrical outer wall 4.Remaining is all same as Example 1, repeats no more.It is outer in this example Wall is cylindrical shape, and the actually outer wall of other shapes such as quadrangle, triangle, polygon and other special-shaped outer walls can all play The effect of fixed die mould piece or rib body, also may be implemented purpose of utility model.As shown in figures 15 to 18, each die mould in each embodiment The outside of piece is fixed together by cylindrical outer wall.

Step 3, as shown in Figure 19,20, extrusion die 3 is set there are four extrusion edge 301, the quantity of extrusion edge 301 and position Be correspondingly arranged with the folding line 101 described in step 2, extrusion edge 301 connect the second actuator along fireworks paper tube 1 cylinder radially towards cylinder Body movement, is squeezed into the groove 101 from periphery to central concave for the folding line 101, as shown in figure 26, the bottom of each groove 101 Portion 103 closes up in the inside of fireworks paper tube 1, respectively closes up face by the bottom nozzle 10 of the closed fireworks paper tube 1 of cementing layer 102.

The quantity of extrusion edge 301 is four in embodiment 1, and after fireworks paper tube squeezes, the bottom end that four grooves 101 are constituted is faced upward View principle structural schematic diagram such as Figure 27.But those skilled in the art combine common knowledge according to the above description it is recognized that Purpose of utility model can be achieved in (N=2,3,5,6,7) extrusion edge N number of as shown in Figure 21~25, after fireworks paper tube is extruded, Theory structure schematic diagram is looked up respectively as shown in Figure 28~32 in the bottom end that N groove is constituted.It repeats no more.

In embodiment 1, the internal theory structure schematic diagram after extruding of fireworks paper tube 1 is as shown in figure 33, the bottom of each groove 101 Portion 103 closes up in the inside of fireworks paper tube 1, and bottom 103 is in flat-bottom structure.In order to form this kind of structure, it is nested in fireworks paper tube Cylinder lumen in drill steel 12 end face be plane；In addition, extrusion die 3 is using driving mechanism shown in Figure 44, drive rod 303 driven molds 3 are rotated around hinge joint 302, and the extrusion edge 301 pushed in the direction of the arrow squeezes the folding line of fireworks paper tube to center 301.While extrusion die 3 works, drill steel 12, which is ended face on one side rotate while, closes up face progress axis to inside fireworks paper tube 1 To extruding.Shaping effect as shown in figure 33 can be formed.

It in other examples, can also be using other driving methods:

Push extrusion die 3 towards center movement from two sides respectively as shown in figure 45, extrusion edge 301 squeezes fireworks paper to center The folding line 301 of cylinder.

As shown in figure 46, cooperate between extrusion die 3 and drive block 305 for slope shape, as arrow direction pushes drive block When 305, the drive block 305 of two sides pushes extrusion die 3 towards center movement by slope surface, and extrusion edge 301 squeezes fireworks to center The folding line 301 of paper tube.

As shown in figure 47, cooperate between extrusion die 3 and fixed block 304 for slope shape, as arrow direction pushes extrusion die When having 3, the fixed block 304 of two sides pushes extrusion die 3 towards center movement by slope surface, and extrusion edge 301 squeezes fireworks to center The folding line 301 of paper tube.

It is corresponding to change drill steel end surface shape and extrusion die shape, available other interior shape:

In above-mentioned driving mechanism, original extrusion die is replaced with the extrusion die that extrusion edge is equipped with slope notch 306, As shown in Figure 49~52；Meanwhile drill steel end face is set as corresponding tapered end face；It can be in the inner end of the closed end of fireworks paper tube Conical cavity is formed on face, as shown in Figure 34,35 (size of conical cavity by slope notch 306 and corresponding tapered end face size It is determined).The acting performance that drug fires can be improved when conical cavity device propellant powder, reduce propellant powder usage amount.It realizes real With novel purpose.

Similarly, in above-mentioned driving mechanism, original extruding is replaced with the extrusion die that extrusion edge is equipped with arc gap 307 Mold, as shown in Figure 53~56；Meanwhile drill steel end face is set as corresponding arc end surface；It can be in the closed end of fireworks paper tube Inner face on form circular cavity, (size of circular cavity is by arc gap 307 and corresponding arc end surface as shown in Figure 36,37 Size determined).

In other embodiment, as shown in figure 57, the step 3 of the production method of the fireworks paper tube 701 further includes sizing Process, the shaper 703 with 702 cooperating of extrusion die include that rib is pressed in four sizings, as shown in intermediate figure, are squeezed Folding line on fireworks paper tube 701 is squeezed into groove by mold 702；Then as shown in right figure, shaper 703 connects third Actuator, sizing pressure rib is moved along the cylinder of fireworks paper tube 701 radially towards cylinder, by the groove side between extrusion die 702 Wall pressure is formed in fact.

Above-mentioned implementation is merely to clearly illustrate the technical solution of the utility model, and should not be understood as to this Utility model makes any restrictions.The utility model has well known a variety of substitutions or deformation in the art, is not taking off Under the premise of from the utility model in essence meaning, the protection scope of the utility model is each fallen within.

Claims (8)

1. a kind of fireworks paper tube of crimping formula ontology sealing, including fireworks paper tube ontology, which is characterized in that the fireworks paper tube The side wall of bottom end is equipped with several grooves from periphery to central concave, and the bottom of each groove is closed up inside fireworks paper tube, respectively simultaneously Hold together the bottom nozzle of the glued closed fireworks paper tube in face.

2. fireworks paper tube as described in claim 1, which is characterized in that the processing mold of fireworks paper tube includes crimping mold and squeezes Compression mould, the crimping mold include the crimping rib of several circle distributions, and the assembly of several crimping ribs has tapered shape Inner cavity, crimping mold connects the first actuator and moves towards fireworks paper tube bottom nozzle, outside the cylinder at fireworks paper tube bottom nozzle Several folding lines are extruded on wall；Extrusion die is equipped with several extrusion edges, and the quantity of extrusion edge and position are correspondingly arranged with folding line, squeezes Rib connects the second actuator and moves along the cylinder of fireworks paper tube radially towards cylinder, and the folding line is squeezed into from periphery to central fovea The bottom of sunken groove, each groove is closed up inside fireworks paper tube, respectively closes up the bottom nozzle of the glued closed fireworks paper tube in face.

3. fireworks paper tube as claimed in claim 2, which is characterized in that the processing mold of the fireworks paper tube further includes and squeezes The shaper of mold cooperating, if the shaper includes that dry setting presses rib, the quantity of sizing pressure rib and position and institute It states recess sidewall to be correspondingly arranged, sizing pressure rib connection third actuator is moved along the cylinder of fireworks paper tube radially towards cylinder, will be squeezed Recess sidewall between compression mould is compacted sizing.

4. fireworks paper tube as described in any one of claims 1-3, which is characterized in that the processing fixed form of the fireworks paper tube Selected from interior fixation or fixed outside, outer fixation grips fireworks paper tube outer wall；The interior fixation covers fireworks paper tube On drill steel.

5. fireworks paper tube as claimed in claim 4, which is characterized in that the drill steel is nested in the cylinder lumen of fireworks paper tube Interior, when extrusion die works, the end face of drill steel compresses axially the face of closing up inside fireworks paper tube.

6. fireworks paper tube as claimed in claim 5, which is characterized in that the drill steel carries out the axial direction while rotating and squeezes Pressure.

7. fireworks paper tube as claimed in claim 4, which is characterized in that the end face of the drill steel is taper.

8. such as fireworks paper tube described in claim 5 or 6, which is characterized in that the end face of the drill steel is taper.