A kind of fine copper cash wears mould guide device
Technical field
The present invention relates to fine copper cash coating unit, and in particular to a kind of mould guiding of wearing of fine copper cash cladding process is filled
Put.
Background technology
Fine multiply annealed copper strand wire is in coated insulation layer process, it is necessary to first pass through mould core, and mould core goes out
Mouthful through-hole aperture is very small, and the soft footpath of annealed copper strand wire matter is thin, and conventional specification is 28AWG, 30AWG and 32AWG in the market,
Its diameter is about 0.2 ~ 0.3mm;It is many using manually mould is worn at present, fine copper cash and mould mould are difficult to during mould is worn
Being accurately aimed at of the outlet through hole of core, fine copper cash touches the inwall of mould core and easily bent, and has had a strong impact on cladding work
The production efficiency and production cost of sequence.
In order to solve the above-mentioned technical problem, patent 200710089032.3 discloses a kind of coating unit of optical fiber, wherein
The structure of a clad optical fiber guide hole and tubular entrance hole is introduced, the internal diameter of a clad optical fiber guide hole is more than the cylinder
The internal diameter of shape entrance hole, and tubular entrance hole has R type chamferings, in order to stretching into for clad optical fiber.But this scheme is only
Suitable for optical fiber class product, optical fiber class product works as this technical side in the diameter that general minimum gauge in the market is 2mm
When case is applied on fine copper stranded conductor, it may appear that copper stranded conductor touches R type chamfering positions and entering the antecurvature of tubular entrance hole
Folding.
The content of the invention
The technical purpose of the present invention is to provide a kind of fine copper cash cladding fine copper cash of process and wears being accurately positioned, efficiently for mould
The guide device connected.
The present invention technical purpose technical scheme is that:A kind of fine copper cash wears mould guiding dress
Put, including to the offer of fine copper cash by the pneumatic member of mould core driving force and installed in institute in the way of Geldart-D particle
Stating is used to wearing the fine copper cash that mould to position and be oriented to wears mould guiding piece on mould core.
As the preferred of above-mentioned technical proposal, the mould guiding piece of wearing includes being used to wear with the outlet on the mould core
The guide portion that hole is engaged and the guiding location division for determining guide portion fitting depth on the mould core.
As the preferred of above-mentioned technical proposal, the mould guiding piece of wearing also includes being used for and the entrance on the mould core
The guiding transition part that perforation is engaged and is connected with the guide portion insertion.
As the preferred of above-mentioned technical proposal, the mould guiding piece of wearing also includes what is be engaged with the mould core internal diameter
For limiting the guide portion relative motion upward with mould core axial direction, radial direction chord, making the guide portion and institute
State the relatively-stationary guiding fixed part of outlet penetration.
As the preferred of above-mentioned technical proposal, the guiding transition part includes heavy caliber chamber and small-bore chamber;The big mouth
The internal diameter of footpath chamber matches to merge with the guiding fixed part to be connected with the guiding fixed part insertion;The internal diameter of the small-bore chamber
It is engaged, and is connected with the guide portion insertion with the guide portion.
In the technical program, the end internal diameter of the heavy caliber chamber is identical with the internal diameter of the guiding fixed part, described
The internal diameter of the front end of small-bore chamber is identical with the internal diameter of the guide portion, and the guide portion passes through described with the guiding fixed part
Heavy caliber chamber and the small-bore chamber connection, therefore when the guiding is fixed on and is relatively fixed with the mould core, it is described
Guide portion and the relative position relation of the mould core have also obtained fixation.
As the preferred of above-mentioned technical proposal, the guiding location division with the mould core terminal surface by contacting against
With limit the guide portion depth is stretched into inside the mould core.
In the technical program, by the setting in axially position portion and radial positioning portion, by making guide portion and the mould
The mode that the outlet penetration position of tool core rod is fixed all the time, realizes the positioning function to fine copper cash of the guide portion.
As the preferred of above-mentioned technical proposal, the guiding location division also includes being used to make the fine copper cash enter described
Guide the guide through hole of transition part and the air inlet for being connected with the pneumatic member.
In the technical program, a kind of preferred supply connected mode is that with fine copper cash pneumatic member is had into the parallel of distance
Set.As the further technical scheme of above-mentioned preferred supply connected mode, it is provided with the guiding location division and institute
State drawing for the gas that the pneumatic member sprays to be adjacent to described in the guiding transition part ring wall flow direction for air inlet insertion connection
Lead the frustum of a cone ring cavity in portion;The pneumatic member is connected by the cavity with the guide through hole insertion.As it is above-mentioned enter
The preferred scheme of one step technical scheme, the cone angle of the cavity is 50 ~ 70 °.
As the preferred of above-mentioned technical proposal, the guiding location division also includes being used to make the fine copper cash enter described
Guiding transition part and the inlet guide through hole being connected with the pneumatic member.
In the technical program, second of preferred supply connected mode is that trickle copper cash is passed through into the pneumatic member, is made
Pneumatic member produce air-flow it is overlapping with fine copper cash, it is air-flow flow to it is consistent with the direction of feed of fine copper cash.As above-mentioned excellent
Nozzle on the further technical scheme of the plenum system of choosing, the pneumatic member includes nozzle closure and nozzle guide, institute
Nozzle closure is stated to be connected with the nozzle guide insertion;The nozzle closure is the rubber with annular protrusion cavity
Part;The nozzle guide includes the foldable of multiple trapezium structures and opens the wind deflector of annular layout, the nozzle guide
Part is PVC plastic materials and parts.As the preferred scheme of above-mentioned further technical scheme, the nozzle guide includes 8 wind-guidings
Plate, 8 wind deflectors form circular cone shape jet expansion after opening, the cone angle of the jet expansion is 50 ~ 70 °.When described
Pneumatic member to it is described wear mould guiding piece supply when, air-flow enter the annular protrusion cavity nozzle closure, close nozzle
Part bulging and the inwall for withstanding guiding fixed part, realize automatic-sealed.
As the preferred of above-mentioned technical proposal, the heavy caliber chamber and the small-bore chamber are the two taper phases connected
Same circular cone structure.
As the preferred of above-mentioned technical proposal, the guiding fixed part is external screw thread and the setting for including being disposed thereon
The screw thread pair for the internal thread being engaged on the mould core with the external screw thread.
So understand, the technical program has the following advantages:It is first directed to portion and passes through axial, radial direction and tangential with mould core
Three directions are relatively fixed, thus are automatically performed when fine copper cash is by the entrance that guides location division and mould core exports
Perforation realizes concentric locating;Secondly realizing the structure of guiding includes guiding transition part and guide portion, thus be accordingly used in guiding away from
From lengthening, it is to avoid bore suddenly change causes the fine copper cash to touch the inwall for wearing mould guiding piece and bend;Finally wear mould guiding
Part is engaged with pneumatic member, is realized and is efficiently worn mould automatically.
Brief description of the drawings
Fig. 1 is that a kind of fine copper cash of embodiment 1 wears the operating diagram of mould guide device;
Fig. 2 is that a kind of fine copper cash of embodiment 2 wears the operating diagram of mould guide device;
Fig. 3 is the front view for wearing mould guiding piece of embodiment 1,2;
Fig. 4 is that a kind of fine copper cash of embodiment 3 wears the operating diagram of mould guide device;
Fig. 5 is the front view for wearing mould guiding piece of embodiment 3;
Fig. 6 is the expanded view of the wind deflector of embodiment 3;
In figure:1- pneumatic members, 2- wears mould guiding piece, and 3- mould cores, the fine copper cash of 4-, 11- nozzles, 12- stores up wind cavity,
13- nozzle closures, 14 nozzle guides, 21- guide portions, 22- guiding location division, 23- guiding transition parts, 24- guiding is fixed
Portion, 31- outlet penetrations, the perforation of 32- entrances, 141- wind deflectors, 221- via holes, 222- air inlets, 223- inlet guide through holes,
231- heavy caliber chambers, the small-bore chambers of 232-.
Embodiment
Embodiment 1:A kind of fine copper cash as shown in Figure 1 wears mould guide device, for pneumatically that fine copper cash 4 is accurate
Position and efficiently through mould core 3, including pneumatic member 1 as driving force and as fine copper cash 4 by mould core 3 when
Positioning, provide or increase by when guiding distance wear mould guiding piece 2.Wearing mould guiding piece 2 includes guide portion 21, guiding positioning
Portion 22 and guiding fixed part 24.
The mould feeding of wearing of fine copper cash 4 is driven by pneumatic member 1, as shown in figure 3, guiding location division 22 includes one
It is identical with the guiding internal diameter of fixed part 24(Its internal diameter is equal to the internal diameter of the end of mould core 3 with guiding fixed part 24 wall thickness sum)'s
A via hole 221 of mould guiding piece 2 and an air inlet for being used to connect pneumatic member 1 are worn for entering fine copper cash 4
222, air inlet 222 is connected with the nozzle 11 of pneumatic member, wherein the tubulose of the tubular protrusions of air inlet 222 and via hole 221
Extension connects, and it is 45 ° to connect the latter two angles on front view section;Fine copper cash 4 is positioned and guide portion is sent into
After 21, start pneumatic member 1, the gas that nozzle 11 is blowed out will be entered with 45 ° of angle to be worn in mould guiding piece 2, with fine copper
Line 4 is contacted and is sent in mould core 3.45 ° of angle design is studied for a long period of time discovery through inventor herein, can make gas
Body directly contacts with fine copper cash 4 and provides it driving force, the trend without first contacting and changing air-flow with guiding fixed part 24.
The positioning of fine copper cash 4 is the guiding location division 22 and guiding fixed part 24 being provided with by wearing on mould guiding piece 2
Realize:The internal diameter of via hole 221 on guiding location division 22 is identical with the guiding internal diameter of fixed part 24(Its internal diameter is fixed with guiding
The wall thickness sum of portion 24 is equal to the internal diameter of the end of mould core 3), and its external diameter is much larger than the external diameter of mould core 3, thus pass through cylinder
The end of shape wall and the abutment action of the end of mould core 3, limit and whole wear mould guiding piece 2 and axially transported in mould core 3
It is dynamic, it is determined that guide portion 21 stretches into depth in mould core 3;Guiding fixed part 24 include the external screw thread that is disposed thereon with
And the screw thread pair for the internal thread being engaged on mould core 3 with the external screw thread is arranged on, guide the external diameter and mould of fixed part 24
Entrance 32 internal diameters of perforating for having core rod 3 are consistent, the cooperation by screw thread pair, limit and entirely wear mould guiding piece 2 in mould
Axial direction, radial motion in core rod 3, and do not relatively rotated with mould core 3.
The guiding distance of fine copper cash 4 is realized by guide portion 21:The internal diameter of guide portion 21 goes out with mould core 3
The internal diameter of mouthful perforation 31 is consistent, and by guiding the positioning of location division 22 and guiding fixed part 24, fine copper cash 4 is drawn leaving
Lead behind portion 21 under the driving of pneumatic member 1 directly by outlet penetration 31, realize that the quick of trickle copper cash 4 wears mould.
Embodiment 2:The difference of embodiment 2 and embodiment 1 is, as shown in Figure 2 and shown in 3, the guiding of fine copper cash 4 away from
From be by guide portion 21 and guiding transition part 23 realize.Transition part 23 is guided to include heavy caliber chamber 231 and small-bore chamber
232, the two is that taper is identical and the circular cone structure of insertion connection, the internal diameter of the heavy caliber side of its Large diameter chamber 231 with
Guide the internal diameter of fixed part 24 consistent and insertion connection, the internal diameter of the small-bore side of small-bore chamber 232 is interior with guide portion 21
Footpath is consistent and insertion is connected.The internal diameter of guide portion 21 is consistent with the internal diameter of the outlet penetration 31 of mould core 3, and fixed by guiding
Position portion 22 and the positioning of guiding fixed part 24, make fine copper cash 4 directly lead under the driving of pneumatic member 1 after leaving guide portion 21
Outlet penetration 31 is crossed, realizes that the quick of trickle copper cash 4 wears mould.
Embodiment 1 and 2 supply connected mode are that with fine copper cash 4 pneumatic member 1 is had into be arrangeding in parallel for distance, now
Need to adjust the angle of air-flow and fine copper cash 4 to realize the driving effect of air-flow, another area of embodiment 2 and embodiment 1
It is not the difference of regulative mode.As shown in Fig. 2 being provided with the circular cone being connected with the insertion of air inlet 222 on guiding location division 22
Platform ring-type storage wind cavity 12, the cone angle of storage wind cavity 12 is 60 °, is led through for the gas that pneumatic member 1 sprays to be adjacent to
Cross the ring wall of portion 23 and flow to guide portion 21, because guiding transition part 23 is circular cone shape structure, thus in the guiding wall of transition part 23
Under drainage, air-flow generates angle with fine copper cash 4, drives the feeding of fine copper cash 4.
Embodiment 3:The difference of embodiment 3 and embodiment 1 is, as shown in figure 4, guiding transition part 23 includes heavy caliber chamber
231 and small-bore chamber 232, the two is that taper is different but circular cone structure of insertion connection, thus in heavy caliber chamber 231 and small
The junction of bore chamber 232 forms a ledge structure;The internal diameter of the heavy caliber side of its Large diameter chamber 231 is solid with guiding
Determine the consistent simultaneously insertion connection of internal diameter in portion 24, the internal diameter of the small-bore side of small-bore chamber 232 is consistent with the internal diameter of guide portion 21
And insertion is connected.
Embodiment 3 is with embodiment 1 another difference is that pneumatic member 1 is with wearing in the annexation of mould guiding piece 2, as schemed
Shown in 5, guiding location division 22 include being used for making fine copper cash 4 enter the guiding transition part 23 and with the nozzle 11 of pneumatic member 1
The inlet guide through hole 223 of connection.Now, trickle copper cash 4 passes through pneumatic member 1, makes the air-flow that pneumatic member 1 is produced and fine copper cash
4 overlapping, air-flow flow directions are consistent with the direction of feed of fine copper cash 4.Turn to see Fig. 4, pneumatic member 1 also includes the He of nozzle closure 13
Nozzle guide 14, nozzle closure 13 is connected with the insertion of nozzle guide 14;Turn to see Fig. 6, nozzle closure 13 is with ring
The rubber parts of shape projection cavity;Nozzle guide 14 includes the wind deflector that is foldable and opening annular layout of 8 trapezium structures
141, wind deflector 141 is PVC plastic materials and parts;Wind deflector 141 is in folded state during installation, when fine copper cash 4 is entered by pneumatic member 1
Guide behind location division 22,8 wind deflectors 141 form circular cone shape structure after opening, its cone angle is 60 °.