A kind of boring inserting mechanism for fireworks group basin
Technical field
The present invention relates to the group basin process equipment of combined firework, especially a kind ofly make fairlead and in fairlead, insert the device of lead-in wire.
Background technology
In the manufacturing process of combined firework, have the operation being commonly called as " group basin " together, first multiple fireworks tube combination in a row (is referred to as cylinder row), and overshoot lead wire (this process is referred to as to connect and draws) is inserted in perforating on adjacent two fireworks tubes; Then the many smoke evacuations cylindrical fireworks company of completing drawn are gluing is combined into block entirety, and overshoot lead wire (this process is referred to as to enclose and draws) is inserted in perforating on adjacent two smoke evacuation cylindrical fireworks.Drawing in above-mentioned company and enclose is introduced through in journey, and all needed punching to insert and drawn work, its operating mechanism is also roughly the same, and difference is that the locus of fireworks tube processed in two processes changes.
The mechanized production apparatus of combined firework is referred to as in the industry " group basin machine " or " firework assembling machine " usually, punching insertion-igniting device is important critical process parts of this kind equipment, its work completed is: in above-mentioned fireworks manufacturing process, after multiple fireworks tube combination in a row, each fireworks tube is made a call to two holes as lead-in wire access aperture and pick out hole, and overshoot lead wire is inserted between adjacent two fireworks tubes, namely pick out at the lead-in wire of previous fireworks tube in the lead-in wire access aperture of hole and a rear fireworks tube and insert " ∏ " shape or inverted U-shaped overshoot lead wire, to realize passing fiery function.
" a kind of punching for assembling firework insert draw system " of Patents document of the prior art disclosed in CN102213569A; " a kind of firework numerical control assembling machine " disclosed in CN202158808U etc.Comprise the shank that can move up and down; " ∏ " shape punching insertion-igniting device of two perforating needle side-by-side parallel compositions is installed in shank lower end, the inner side that two perforating needles are relative is provided with approaching channel, the large active tongue of device between two perforating needles, large active tongue upper end is by spring assembly at shank inner chamber, and below large active tongue, relevant position device can the little active tongue of inside and outside stretching motion; Also comprise for running wheel, guide channel composition send leading-in device, described in send leading-in device and " ∏ " shape punching insertion-igniting device between setting cut leading-in device.The lead-in wire sending leading-in device to send into is cut-off to be shaped as inverted U-shaped, embeds in the approaching channel of the relative inner side of two perforating needles, along with the descending punching of perforating needle, enters in the fairlead accomplished fluently.After perforating needle pumpback resets, namely achieve punching, slotting draw synchronously complete.
But existing punching inserting mechanism causes its functional reliability lower owing to there is following drawback, product quality and security lack guarantee, are difficult to reach theoretical production efficiency:
1. perforating needle is provided with approaching channel, needle body cross section is U-shaped structure, papery fireworks tube can cut out the tongue-shaped otch of U-shaped, and the tongue-shaped otch of this U-shaped generally can be pressed down and form fairlead, but in the following cases: 1) to press down stroke inadequate for the tongue piece of U-shaped; 2) press down rear tongue piece and have rebound phenomenon.The tongue piece blocking fairlead of U-shaped, can hinder entering of lead-in wire, reduce the success rate of inserting and drawing.
2. the needle body that thin wall U shape groove is formed easily damages ring, changes frequent.
3. arrange lead-in wire for time inverted U-shaped, lead-in wire is included in approaching channel, and include in process, syringe needle easily damages lead-in wire, destroys the structural strength of lead-in wire.
4., during perforating needle reset pumpback, easily take the lead-in wire inserted out of; Meanwhile, during pumpback inwall and the lead-in wire of approaching channel at a high speed, large area friction, easily cause lead-in wire to be ignited.
Summary of the invention
In order to solve above-mentioned drawback, technical problem to be solved by this invention is, there is provided a kind of make fairlead and in fairlead, insert the device of lead-in wire, reliable and stable work, product quality and security secure, in order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of boring inserting mechanism for fireworks group basin, is characterized in that, comprise two shaping gathering sills that can move up and down, the notch of two shaping gathering sills is oppositely arranged; All device needle for trephination in the vallecular cavity of two shaping gathering sills, needle for trephination moves up and down along described vallecular cavity; Part is drawn in pushing away that between two shaping gathering sills, device can move up and down; Between two shaping gathering sills, device can the forming core of inside and outside stretching motion, pushes away and draw the descending of part described in the forming core being in the state of stretching out stops.
During this institution staff, first, needle for trephination gets out fairlead along vallecular cavity is descending on fireworks tube, then goes up horizontal reset.Now, forming core is in overhanging state, pushes away to draw part and be positioned at forming core top position; Then Song Yin mechanism sends into one section of lead-in wire, and lead-in wire traverses and draws between part and forming core in pushing away; Then shaping gathering sill and push away that to draw part descending, in descending process, push away and draw the stop that part is subject to forming core, both pressings are held between the two by the middle part of lead-in wire; Lead-in wire is cut off in lead-cutting machine structure action simultaneously; Shaping gathering sill continues to come downwards to above fairlead simultaneously, is included in vallecular cavity at lead-in wire two ends in descending process, and pushing away in the middle part of clamp leads draws part and forming core coordinates, and arranges as inverted U-shaped lead-in wire by the segment lead-in wire after cutting off; Then forming core inside contracts, and pushes away to draw part and lose and stop and continue descending, and promotes inverted U-shaped lead-in wire be advanced into fairlead under vallecular cavity.Because needle for trephination and lead-in wire share same vallecular cavity as guiding, both registrations are high, so lead-in wire is easy to enter.Last shaping gathering sill draws horizontal reset on part, the overhanging reset of forming core, to carry out next round processing with pushing away.
In technique scheme, described " boring " is that pointer tip enters papery fireworks tube cylindrical shell to pierce mode, and is expanded by the extruding of shank, the hole that cylindrical shell is formed.The tongue-shaped otch of U-shaped that this kind of hole can not be formed, can not hinder entering of lead-in wire.Described needle for trephination can be any shape meeting above-mentioned drilling function.Forming generally by cone tip and circular bar shape shank, needle point is generally positioned at the home position in body of rod cross section.But comparatively needle point is thicker due to diameter wire, although can be expanded through the extruding expansion fairlead of shank, do not loosen after inserting to go between, shank can not be excessive.Cause the fairlead that the above-mentioned needle point being positioned at the center of circle comes outbreak out thus, likely there is the situation that lead-in wire enters difficulty.Preferably, described needle for trephination comprises needle point and shank, and needle point is positioned at the neighboring in shank body of rod cross section along upper, and needle point presses close to the inwall of described vallecular cavity.The needle point of this kind of cam pin inserts along the inwall of vallecular cavity, can guarantee to enter smoothly along the lead-in wire that vallecular cavity is descending equally when the fairlead come outbreak out is less.
Preferably, described shaping gathering sill upper end connect first driving mechanism realize move up and down, described in push away draw part by the first elastic parts connect first driving mechanism realize move up and down.
First driving mechanism action promotes shaping gathering sill simultaneously and pushes away that to draw part descending, push away draw part descending stop by forming core time, (elastic parts is as extension spring, stage clip, torsion spring etc. for first elastic parts, lower same) deformation savings potential energy, after forming core inside contracts, elastic parts promote lose stop push away draw part continue descending.Avoid mechanism's redundancy complicated; Ensure that pushing away priming does to be connected in time, dynamics is soft suitable.Driving shaping gathering sill at the first driving mechanism and push away simultaneously draws in the up reseting procedure of part, due to the effect of the first elastic parts, push away and have certain time delay relative to shaping gathering sill the resetting time of drawing part, in this latency period, push away and draw part and push down the lead-in wire top of having inserted, the situation avoiding shaping gathering sill pumpback to take lead-in wire out of occurs.
Preferably, described inserting mechanism is provided with the lead-cutting machine structure of interlock, described lead-cutting machine structure adopts lever cutting knife, lever cutting knife is provided with the second elastic parts making it keep set condition, lever one end is the edge of a knife end being arranged on guiding profile, the lever other end is thrust end, thrust end has a lead-in chamfered, lead-in chamfered is pressed on thrust block pad, thrust block pad connects described first driving mechanism and realizes moving up and down, drive lever cutting knife to rotate by lead-in chamfered when thrust block pad is descending and cut off lead-in wire, when thrust block pad is up, the second elastic parts drives lever cutting knife to reversely rotate reset.
Ensure that cut priming do with shaping gathering sill with push away the relevant action drawing part and coordinate promptly and accurately; Avoid mechanism's redundancy complicated.
Preferably, described forming core realizes inside and outside stretching motion by link gear: forming core is provided with the 3rd elastic parts making it keep set condition, the affixed telescopic movable pin of forming core, telescopic movable pin is provided with A and guides domatic, piece under pressure is provided with corresponding B and guides domatic, piece under pressure connects described first driving mechanism and realizes moving up and down, when piece under pressure comes downwards to telescopic movable pin position, pass through A, B guides domatic cooperation compressing telescopic movable pin to inside contract, telescopic movable pin drives forming core to inside contract, piece under pressure is up when leaving telescopic movable pin position, 3rd elastic parts drives the overhanging reset of forming core.
Only rationally need determine the spacing of piece under pressure and telescopic movable pin, the Retraction of forming core and shaping gathering sill can be ensure that and push away the relevant action drawing part and coordinate promptly and accurately, avoid mechanism's redundancy complexity.
In sum, beneficial effect of the present invention is, 1, institution staff good stability, and reliability is high: as long as the intact operation of parts is correct, and it is inserted, and to draw success rate be 100%.2, whole mechanism is without consumable accessory; 3, slotting quality of drawing is good: lead-in wire enters smoothness; Fairlead and lead-in wire coordinate closely, and the quality of fit of aperture and lead-in wire external diameter can reach 0.5 ~ 1mm.4, the slotting Cheng Buhui that is introduced through causes lead-in wire damage.5, make borehole drill construction and inserting mechanism can be integrated in a station and complete its function action, effectively improve prebored hole and insert the crudy of drawing; Avoid the trouble of running fix, significantly reduce process time, enhance productivity, decrease the possibility that fault occurs.6, mechanism is exquisite, and cost is lower.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is embodiment complete machine perspective view;
Fig. 2 is the perspective view (in figure, holder 5 depicting cover plate 501) at another visual angle of embodiment complete machine;
Fig. 3 is embodiment partial enlargement Structure and Process schematic diagram (preparation state);
Fig. 4 is embodiment partial enlargement Structure and Process schematic diagram (needle for trephination inserts fireworks tube state);
Fig. 5 is embodiment partial enlargement Structure and Process schematic diagram (get out the rear needle for trephination uplink state of fairlead 11, the tongue-shaped otch of U-shaped that this kind of fairlead 11 can not be formed, can not hinder entering of lead-in wire 12);
Fig. 6 is embodiment partial enlargement Structure and Process schematic diagram (needle for trephination send guiding structure to send lead-in wire 12 after resetting, and lead-in wire 12 traverses in pushing away the state of drawing between part 4 and forming core 2);
Fig. 7 be embodiment partial enlargement Structure and Process schematic diagram (shaping gathering sill 3 and push away that to draw part 4 descending, in descending process, push away and draw the stop that part 4 is subject to forming core 2, both pressings are held between the two by the middle part of lead-in wire 12; Lead-in wire 12 is cut off in lever cutting knife 7 action simultaneously; Shaping gathering sill 3 continues descending simultaneously, starts the state of segment lead-in wire 12 being carried out to shaping);
Fig. 8 is that (shaping gathering sill 3 continues to come downwards to above fairlead 11 embodiment partial enlargement structural representation, in descending process, lead-in wire 12 two ends are included in vallecular cavity 302, draw part 4 with pushing away in the middle part of clamp leads 12 and forming core 2 coordinates, the segment lead-in wire 12 after cutting off is arranged as inverted U-shaped lead-in wire);
Fig. 9 is embodiment partial enlargement Structure and Process schematic diagram (state that forming core 2 inside contracts);
Figure 10 is that embodiment partial enlargement Structure and Process schematic diagram (pushes away and draws part 4 and lose and stop and continue descending, and promote inverted U-shaped lead-in wire 12 and be advanced into fairlead 11 302 times along vallecular cavity; Push away and have certain time delay relative to shaping gathering sill 2 resetting time of drawing part 4);
Figure 11 is embodiment partial enlargement structural representation (reflection forming core 2 realizes mechanism's composition of inside and outside stretching motion by link gear);
Figure 12 is embodiment partial enlargement structural representation (being realized mechanism's composition of inside and outside stretching motion from another visual angle reflection forming core 2 by link gear);
Figure 13 is the internal structure schematic diagram of the outer sleeve 404 of embodiment linear bearing;
Figure 14 is the structural representation of needle for trephination.
Accompanying drawing mark illustrates: 1-needle for trephination, 101-shank connector, 102-holes cylinder, 103-needle point, 104-shank, 2-forming core, 201-forming core stage clip, 202-telescopic movable pin, the shaping gathering sill of 3-, 301-groove end plate, 302-vallecular cavity, 4-pushes away and draws part, 401-pushes away and draws part distance rod, guide shaft in 402-linear bearing, 403-pushes away and draws part relay plate, the outer sleeve of 404-linear bearing, 405-inner sleeve stage clip, 406-stroke positioning component, the outer sleeve spring-compressed nut of 407-, 5-holder, 501-cover plate, 6-inserts bleed cylinder thrust plate, 7-lever cutting knife, the extension spring of 701-cutting knife, 8-inserts bleed cylinder, running wheel group is sent in 9-clamping, 901-send skirt road, 902-send and draws stepper motor, 10-papery fireworks tube, 11-fairlead, 12-goes between,
Detailed description of the invention
See Fig. 1, reflect a kind of concrete structure of the present invention, the described boring inserting mechanism for fireworks group basin, comprising two can up and down (under in scheming towards fireworks tube direction being, otherwise be upper, down together) notch of the shaping gathering sill 3 of shaping gathering sill 3, two of back and forth movement is oppositely arranged; All device needle for trephination 1 in the vallecular cavity 302 of two shaping gathering sills 3, needle for trephination 1 moves up and down along described vallecular cavity 302; Part 4 is drawn in pushing away that between two shaping gathering sills 3, device can move up and down; Between two shaping gathering sills 3, device can the forming core 2 of inside and outside (in illustrated below is, otherwise be outward, lower together) stretching motion, pushes away and draw the descending of part 4 described in the forming core 2 being in the state of stretching out stops.
The groove end plate 301 of described shaping gathering sill 3 upper end connects the first driving mechanism by inserting bleed cylinder thrust plate 6---and insert bleed cylinder 8 and realize moving up and down.Needle for trephination 1 connects boring cylinder 102 by shank connector 101 and realizes moving up and down.
Incorporated by reference to Figure 14, described needle for trephination comprises needle point 103 and shank 104, and needle point 103 is positioned at the neighboring in shank 104 body of rod cross section along upper, and needle point 103 presses close to the inwall of described vallecular cavity 302, instead of presses close to notch.Make the aperture of fairlead 11 little as much as possible.
Described pushing away is drawn part 4 and is drawn part distance rod 401 and is connected with the first elastic parts by inserting and inserts bleed cylinder 8 and realize moving up and down: the first elastic parts comprises guide shaft 402 and linear bearing sleeve 404 outward in linear bearing, in linear bearing, guide shaft 402 be set with inner sleeve stage clip 405 and run on the inner chamber of the outer sleeve 404 of linear bearing, in linear bearing, guide shaft 402 is also provided with stroke positioning component 406, the outer sleeve 404 of linear bearing draws the affixed slotting bleed cylinder thrust plate 6 of part relay plate 403 by pushing away, and inserts the lower end of drawing part distance rod 401 and connecting guide shaft 402 in linear bearing.
Insert bleed cylinder 8 sequentially by inserting bleed cylinder thrust plate 6, push away and draw part relay plate 403 and drive outer sleeve 404 DL synchronization of guide shaft 402 and linear bearing in linear bearing, in linear bearing, guide shaft 402 draws part distance rod 401 and drives by inserting and push away that to draw part 4 descending, push away draw part 4 stop by forming core 2, in linear bearing, guide shaft 402 stops descending, the outer sleeve 404 of linear bearing continues descending, in conjunction with Figure 13, outer sleeve spring-compressed nut 407 compresses inner sleeve stage clip 405, after forming core 2 is retracted, it is descending that inner sleeve stage clip 405 promotes guide shaft 402 in linear bearing.
Described inserting mechanism is provided with the lead-cutting machine structure of interlock, described lead-cutting machine structure adopts lever cutting knife 7, lever cutting knife 7 is provided with the second elastic parts making it keep set condition---cutting knife extension spring 701, lever one end is the edge of a knife end being arranged on guiding profile, the lever other end is thrust end, thrust end has a lead-in chamfered, lead-in chamfered is pressed on slotting bleed cylinder thrust plate 6, insert the slotting bleed cylinder 8 of bleed cylinder thrust plate 6 connection to realize moving up and down, drive lever cutting knife 7 to rotate by lead-in chamfered when slotting bleed cylinder thrust plate 6 is descending and cut off lead-in wire, when slotting bleed cylinder thrust plate 6 is up, cutting knife extension spring 701 drives lever cutting knife 7 to reversely rotate reset.
In conjunction with Figure 11, 12, described forming core realizes inside and outside stretching motion by link gear: forming core 2 is provided with the 3rd elastic parts---the forming core stage clip 201 making it keep the state of stretching out, the affixed telescopic movable pin 202 of forming core 2, telescopic movable pin 202 is provided with A and guides domatic, insert bleed cylinder thrust plate 6 and be provided with corresponding B guiding domatic 601, when slotting bleed cylinder thrust plate 6 comes downwards to the position of telescopic movable pin 202, pass through A, B guides domatic cooperation compressing telescopic movable pin 202 to inside contract, telescopic movable pin 202 drives forming core 2 to inside contract, forming core stage clip 201 shrinks deformation, insert that bleed cylinder thrust plate 6 is up when leaving telescopic movable pin 202 position, forming core stage clip 201 drives the overhanging reset of forming core 2.
The workflow of mechanism illustrates see Fig. 2-10 and accompanying drawing thereof, repeats no more.
The above-mentioned implementation that the present invention describes is only in order to technical scheme of the present invention is clearly described, and can not be interpreted as and make any restriction to the present invention.The present invention has known multiple alternative or distortion in the art, under the prerequisite not departing from essential meaning of the present invention, all falls into protection scope of the present invention.