CN205295554U - It is glib - Google Patents

Abstract

The utility model provides an abrasion resistance is excellent to it also is difficult to damaged it is glib to receive external shock. Therefore, the utility model provides an it is glib (21) have, and guiding wire restraints Y guide slot (31), form on guide slot (31) the finish of blowing out oil outlet 51 and by inboard parts (23) of pottery system, cover outside parts (25) of the synthetic resin system of inboard parts (23) surface.

Description

Oil nozzle

Technical field

This utility model relates to a kind of oil nozzle (oilingnozzleguide).

Background technology

In prior art, in the manufacturing process of synthetic fiber spinning, in order to be oiled from the spun tow of spinning-nozzle, widely use oil nozzle, No. 2010-229570 disclosed oil nozzle of Japanese invention Patent Publication No has the guide surface of the channel-shaped guiding tow, and this guide surface has the oil outlet (oil supplying hole) of ejection oil preparation. Oil supplying hole extends in a tubular form with inboard connection of the guide surface of channel-shaped, and this tubulose position is connected to the fuel feed pump of supply oil preparation. This oil nozzle, when tow moves with guide surface limit contact edge, sprays oil preparation from the oil outlet the guide surface being arranged on channel-shaped, thus oiling to tow. This oil nozzle entirety is formed by pottery. Because pottery originally excellent in wear resistance, from tow along seal wire groove slide and high-speed mobile to be not easy to the feature of abrasion be the suitable material making atomizer.

[utility model content]

[problem that utility model to solve]

But, pottery has the fragile character weak to mechanical shock originally. Therefore, such as, if using thread suction gun workman, while making the captivation of attraction air act on tow, while when tow is lured guiding choke by shake thread suction gun, make thread suction gun touch oil nozzle by mistake, or accidentally make mouth fall when using oil nozzle to be impacted, then the overall oil nozzle of the prior art formed by ceramic material is easily damaged.

Herein, this utility model to provide excellent in wear resistance, and be subject to external impact be also not easy breakage oil nozzle for the purpose of.

[solving the means of problem]

Oil nozzle of the present utility model, has: inner part, and it is made up of pottery, has the seal wire groove guiding tow, and forms the oil outlet of ejection oil preparation on above-mentioned seal wire groove; Outer part: it is made up of synthetic resin, covers the outer surface of above-mentioned inner part.

According to this oil nozzle, the seal wire groove of tow is guided to be formed in the inner part being made up of pottery, excellent in wear resistance. Further, the outer surface of inner part is covered by originally higher than mechanical shock resistance with ceramic phase plastic outer part, is therefore not easy when being subject to external impacts to damage.

It addition, this oil nozzle, it is preferable that the above-mentioned synthetic resin forming above-mentioned outer part is the fiber-reinforced resin containing fortifying fibre. In this case, the intensity of outer part can be higher, is subject to more difficult damage during external impacts.

In addition, it is preferably, the above-mentioned outer part of this oil nozzle has and is connected with above-mentioned oil outlet and by the supply road of above-mentioned for above-mentioned oil feed oil outlet, above-mentioned inner part is inserted in mould, the above-mentioned synthetic resin of thawing is injected, thus making above-mentioned inner part form one with above-mentioned outer part while forming above-mentioned outer part around above-mentioned inner part.In this case, according to so-called insert moulding, the inner part of ceramic and plastic outer part form one, therefore gap it is not easily formed between inner part and outer part, the place not easy oil leakage connected between the oil outlet that the supply road formed on outer part and inner part are formed. It addition, this oil nozzle can be efficient, produce in large quantities.

Additionally, it is preferably, the above-mentioned seal wire groove of this oil nozzle has flat bottoms and round bottom portion, above-mentioned flat bottoms and above-mentioned round bottom portion are than the above-mentioned oil outlet downstream closer to the moving direction of above-mentioned tow, downstream side arranges according to the order in above-mentioned flat bottoms, above-mentioned round bottom portion, curved surface under the fovea centralis that bottom land is width in above-mentioned round bottom portion, the bottom land of above-mentioned flat bottoms is plane or the curved surface less than above-mentioned round bottom curvature. In this case, after oiling to tow, tow is flocked together gradually by flat bottoms and round bottom portion, it is possible to the tow flocked together, more efficiently oil.

According to this utility model, it is provided that a kind of excellent in wear resistance, and it is subject to external impacts and is not easy to the oil nozzle of breakage.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of the synthetic fiber spinning device with the oil nozzle involved by an embodiment of the present utility model.

Fig. 2 is the side view that the II partial enlargement of the synthetic fiber spinning device shown in Fig. 1 is represented.

Fig. 3 is the axonometric chart of the oil nozzle involved by an embodiment of the present utility model.

Fig. 4 is the front view of oil nozzle shown in Fig. 3.

Fig. 5 is the top view of oil nozzle shown in Fig. 3.

Fig. 6 is the side view of oil nozzle shown in Fig. 3.

Fig. 7 is the upward view of oil nozzle shown in Fig. 3.

Fig. 8 is the sectional view of the VIII VIII line of oil nozzle shown in Fig. 4.

Fig. 9 is the sectional view of the IX IX line of oil nozzle shown in Fig. 4.

Figure 10 is the sectional view of the X x-ray of oil nozzle shown in Fig. 4.

Figure 11 is the sectional view of the XI XI line of oil nozzle shown in Fig. 4.

Figure 12 is the axonometric chart of the inner part of oil nozzle shown in pie graph 3.

Figure 13 is the front view of inner part shown in Figure 12.

Figure 14 is the top view of inner part shown in Figure 12.

Figure 15 is the side view of inner part shown in Figure 12.

Figure 16 is the upward view of inner part shown in Figure 12.

Figure 17 is the rearview of inner part shown in Figure 12.

Figure 18 is the sectional view of the XVIII XVIII of inner part shown in Figure 13.

Figure 19 is the sectional view of the XIX XIX of inner part shown in Figure 13.

Figure 20 is the sectional view of the XX XX of inner part shown in Figure 13.

Figure 21 indicates that the lateral cross section ideograph of the flat bottoms of the seal wire groove involved by an embodiment of the present utility model.

Figure 22 indicates that the lateral cross section ideograph in the round bottom portion of the seal wire groove involved by an embodiment of the present utility model.

Figure 23 indicates that the lateral cross section ideograph of the flat bottoms of the seal wire groove involved by other embodiments of the present utility model.

Figure 24 indicates that the lateral cross section ideograph in the round bottom portion of the seal wire groove involved by other embodiments of the present utility model.

[sign flag explanation]

11: synthetic fiber spinning device; 21: oil nozzle; 23: inner part; 25: outer part; 27: protection board parts; 31: seal wire groove; 31b: bottom land; 31k: opening; 33: introduction part; 35: flat bottoms; 35b:(flat bottoms) bottom land; 37: round bottom portion; 37b:(round bottom portion) bottom land; 51: oil outlet; 71: covering part; 235: flat bottoms; 235b:(flat bottoms) bottom land;237: round bottom portion; 237b:(round bottom portion) bottom land; 335: flat bottoms; 335b:(flat bottoms) bottom land; 337: round bottom portion; 337b:(flat bottoms) bottom land.

Detailed description of the invention

As it is shown in figure 1, synthetic fiber spinning device 11 has the oil nozzle 21 involved by an embodiment of the present utility model. This synthetic fiber spinning device 11 also has spinning-nozzle 13, oil nozzle 21, multiple filar guide 14, godet 15a, 15b, Network device 17a, 17b and spiral head 19 etc. Polymer as fibrous raw material is melted by synthetic fiber spinning device 11, forms tow, cooling curing from spinning-nozzle 13 ejection. It addition, synthetic fiber spinning device 11 is guided tow Y by multiple filar guides 14 and is finally furled by spiral head 19. Tow Y after solidifying in this synthetic fiber spinning device 11 first passes around oil nozzle 21. Oil nozzle 21 guides tow Y while oiling to tow, with alleviate subsequent handling to the tow Y damage caused and make tow Y be easier to winding. Then, tow Y is stretched by godet 15a, 15b of different rotating speeds, afterwards, by Network device 17a, 17b to tow Y blowing out pressurised air, so that tow Y is implemented Cyber process, afterwards this tow Y is wound.

As it is shown on figure 3, oil nozzle 21 has the seal wire groove 31 guiding tow Y. The bottom land 31b of seal wire groove 31 is formed the oil outlet 51 of ejection oil preparation. Additionally oil nozzle 21 is as in figure 2 it is shown, have tubular junction 63, and this tubular junction 63 is connected from the conduit 21d of oil pump 21P oil preparation out with conveying. Further, on oil nozzle 21, it is formed with the supply road 61 starting to be communicated to oil outlet 51 from connecting portion 63. In the multiple holes formed from spinning-nozzle 13, the tow Y of ejection, is directed into the inside of seal wire groove 31 by the opening 31K on the depth direction of seal wire groove 31, and the inside beginning at seal wire groove 31 is moved. The tow Y of movement, as shown by arrows in FIG. flocking together from top to bottom, simultaneously enter the inside of the seal wire groove 31 of oil nozzle 21. Then, the oil preparation that tow Y sprays with oil outlet 51 while movement on the bottom land 31b be crushed on seal wire groove 31 contacts. Therefore, tow Y can adhere to oil agent. It addition, in this manual, bottom land refers to the meaning of the inner part of the depth direction of groove. It addition, upstream side and downstream refer to upstream side and the downstream of the moving direction of tow Y.

As it is shown on figure 3, oil nozzle 21 has inner part 23, outer part 25 and protection board parts 27.

Inner part 23 is made up of pottery, and it forms seal wire groove 31. As the ceramic material forming inner part 23, for instance aluminium oxide can be used, it is possible to use make the various potteries of existing oil nozzle or filar guide.

As shown in figure 12, in inner part 23, seal wire groove 31 extends to form in the vertical direction along the moving direction of tow Y. Tow Y from top to bottom moves along seal wire groove 31. Inner part 23 is front surface 23a at the concave surface to be formed with seal wire groove 31, and during with the width of seal wire groove 31 for left and right directions, it, in bulk, has surface, the left and right sides 23b, 23c, rear surface 23d, upper surface 23e, lower surface 23f. The profile of inner part 23 as shown in figure 15, is trapezoidal from the side, and side surface 23b is shaped as, and front side edge is parallel to each other and at a right angle with upper side edge with back side edge, and lower side from top to bottom tilts from front towards rear.

As shown in figure 12, seal wire groove 31 is formed there through up and down in inner part 23. As shown in figure 13, seal wire groove 31 starts to downstream 31g from upstream extremity 31s, does not bend in the direction of the width, and be in line extension, and bottom land 31b, as shown in figure 18, intermediate portion expands out relative to upstream extremity 31s and downstream 31g.The cross sectional shape of the width of seal wire groove 31 is different because of the position on length direction, from starting above of upstream side (entrance side) of the moving direction as tow Y, to the lower section as downstream (outlet side), there is introduction part 33, flat bottoms 35, round bottom portion 37 successively.

Introduction part 33 forms the side, most upstream at seal wire groove 31. The upstream extremity 33s of introduction part 33 constitutes the upstream extremity 31s of seal wire groove 31, and the upstream extremity 33s of introduction part 33, in the upper surface 23e upper shed of inner part 23, constitutes the entrance of the tow Y entrance guide wire groove moved along seal wire groove 31. On the upstream extremity 33s of introduction part 33, the upper surface 23e of inner part 23 and the inside of introduction part 33 are linked together by the smooth curved surface not having corner angle. The upstream extremity 33s of this introduction part 33 width in whole seal wire groove 31 is maximum. Then, introduction part 33 is narrowed width (Figure 13) gradually from upstream side towards downstream, gradually shoals (Figure 18) with the degree of depth of time slot. As shown in figure 14, the sidewall 33a in opposite directions of the upstream extremity 33s of introduction part 33 is generally parallel to each other, and bottom land 33b is in the generally radiused gentle curve being spaced apart diameter with sidewall 33a. As shown in figure 12, the sidewall 33a in opposite directions of introduction part 33 is inclined to gradually: almost parallel along the depth direction of seal wire groove 31 at upstream side, while the narrower intervals of downstream, gradually attenuates towards depth direction. Shown in sidewall 33a such as Figure 18 and 14 in opposite directions of introduction part 33, have and more depend on inboard position, bottom side 33a1 and the open side position 33a2 closer to open side than the depth direction of seal wire groove 31. Open side position 33a2 in opposite directions in the direction of the width, is inclined to gradually: while its mutual narrower intervals of downstream, attenuate towards depth direction. In the direction of the width position, bottom side 33a1 in opposite directions and be gradually inclined to: towards while the narrower intervals of downstream along depth direction be almost parallel state. It addition, the bottom land 33b of introduction part 33, from upstream side towards while the narrowed width of downstream, tilting (Figure 18) from the depth direction of seal wire groove 31 is inboard towards open side (by rear forwards), and side shoals gradually downstream towards. Additionally, as shown in figure 14, the opening portion of the depth direction of introduction part 33 is formed opening inclined plane 31x, this opening inclined plane 31x expands shape with mutual interval towards the open side on depth direction, extend with constant angle of inclination while broadening towards downstream width from upstream side with enlarged openings 31k, opening inclined plane 31x.

On the bottom land 33b of introduction part 33, there is the oil outlet 51 of ejection oil preparation. Oil outlet 51 is the slot-shaped of elongated extension on the width of seal wire groove 31.

As shown in figure 18, flat bottoms 35 is connected with the downstream of introduction part 33. Flat bottoms 35 is opposite in introduction part 33 and bends in the depth direction, and the angle, �� 1 between the bottom land 33b and the bottom land 35b of flat bottoms 35 of introduction part 33 is more than 180 ��. This angle, �� 1 is preferably 180 �㡫210 ��, is 199 �� in the present embodiment. Being connected by the round and smooth curved surface not having corner angle between the bottom land 33b and the bottom land 35b of flat bottoms 35 of introduction part 33, flat bottoms 35 extends generally vertically. As shown in figure 19, the bottom land 35b of flat bottoms 35 is plane, and as shown in figure 13, this bottom land 35b narrows from upstream side gradually towards downstream width. As shown in figure 18, the sidewall 35a in opposite directions of flat bottoms 35 has by inboard position, bottom side 35a1 on the depth direction of flat bottoms 35, and the open side position 35a2 by open side.Position, bottom side 35a1 in opposite directions, at upstream side almost parallel (Figure 19), tilts in the way of gradually attenuating towards depth direction gradually towards downstream, and forms continuous print inclined-plane at downstream and the open side position 35a2 of flat bottoms 35. On the opening portion of the depth direction of flat bottoms 35, start continuous print opening inclined plane 31x from introduction part 33 and extend with same widths and identical angle of inclination.

As shown in figure 18, in flat bottoms 35, it is formed with groove inner fovea part 43,45. Groove inner fovea part 43,45 interval on the moving direction of tow Y is formed, and groove inner fovea part 43,45 is the recess in the form of slot on the direction intersected with the moving direction of tow Y on each comfortable bottom land 35b, extends to two side 35a. Groove inner fovea part 43,45 is at 35a place, two side, from the inboard of depth direction towards open side, tilts to extend towards the moving direction opposite direction with tow Y.

The downstream of round bottom portion 37 and flat bottoms 35 is formed continuously. The downstream of flat bottoms 35 is straight with the upstream extremity in round bottom portion 37 to be connected. On the opening portion of the depth direction in round bottom portion 37, start continuous print opening inclined plane 31x from flat bottoms 35 and extend with same widths and identical angle of inclination. The sidewall 37a in opposite directions in round bottom portion 37 is the extension of the sidewall 35a of flat bottoms 35, the inclined plane (Figure 20) that its inboard being directed towards depth direction attenuates. The bottom land 37b in round bottom portion 37 is the curved of circular arc, is smoothly connected with sidewall 37a, and the middle body of its width is dented. As shown in figure 18, the bottom land 37b in round bottom portion 37, when the degree of depth is constant compared with the smooth bottom land 35b of flat bottoms 35, gradually strengthens the rate of curving, and is smoothly connected with the bottom land 35b of flat bottoms 35 towards downstream. The upstream side in round bottom portion 37 extends on the extended line of flat bottoms 35, and round bottom portion 37 draws a mild curve towards downstream, from front surface 23a towards lower surface 23f, be front recurvate shoal simultaneously, gradually shrinks.

Like this, the bottom land 31b of seal wire groove 31 width in round bottom portion 37, narrows compared with the width of flat bottoms 35 with it, as shown in figure 13, the width t1 of the bottom land 35b of the upstream extremity of relatively flat bottom 35, the width t2 of the bottom land 37b in round bottom portion 37 be, t2/t1=1��2/3.

As shown in figure 18, inner part 23 being formed with path 53, this path 53 is formed through initially towards the rear surface 23d of inner part 23 at the oil outlet 51 within seal wire groove 31 from being formed, and is provided with the oil transportation hole 55 of opening as path 53 on the 23d of rear surface. Oil transportation hole 55 forms funnel-form towards the inside constriction of path 53, is a round shape opening (Figure 17) bigger than oil outlet 51 area. On the rear surface 23d of inner part 23, in order to be connected with the supply road 61 guiding oil preparation formed on outer part 25, it is formed and the chimeric recess 57 of outer part 25 tabling. Chimeric recess 57 is the recess that a diameter can comprise the flattened cylinder shape in oil transportation hole 55.

Inner part 23 is as shown in Figure 20 etc., on the rear surface 23d of two side surfaces 23b, 23c and inner part 23, has and subtracts wall thickness recess 41b, 41c, 41d for what reduce thickness difference everywhere. Wall thickness recess 41b, 41c, 41d is subtracted, it is possible to reduce fragmentation when sintered ceramic forms inner part 23 by being formed in inner part 23.

Outer part 25 shown in Fig. 3��Figure 11 is made up of synthetic resin. Form the synthetic resin of outer part 25, it is possible to use various thermoplastic resins or thermosetting resin, the fibre reinforced plastics containing fortifying fibre are the most desirable.Fortifying fibre can use glass fibre or carbon fibre etc.

Moving along the seal wire groove 31 of formation in inner part 23 to not interfere with tow Y, inner part 23 is comprised by outer part 25, covers the outer surface of inner part 23. It addition, outer part 25 is connected with the conduit 21d (Fig. 2) guiding oil preparation. As shown in Fig. 3 etc., outer part 25 has the covering part 71 covering inner part 23 and the conduit part 81 guiding oil preparation.

Covering part 71 covers inner part 23, and its inside not interfering with the seal wire groove 31 being directed in inner part 23 by tow Y by the opening 31k of seal wire groove 31 to be formed and tow Y are along the movement of seal wire groove 31. As shown in figure 11, covering part 71 covers the both side surface 23b of inner part 23,23c and rear surface 23d, surrounds inner part 23 in flute profile from 3 directions. Covering part 71 has the side surface position 73,74 of side surface 23b, 23c of covering inner part 23, and covers the position, rear surface 75 of the rear surface 23d of inner part 23. The upstream side (top) of covering part 71 moving direction of the tow Y of directed movement on seal wire groove 31 and downstream (lower section), seal wire groove 31 the open side (front) of depth direction be opening-wide state. And outer part 25 is with following state coverage inner part 23: the end face (upper surface 23e) of the upstream side of inner part 23, the end face (lower surface 23f) in downstream, depth direction the end face (front surface 23a) of open side be housed in inside the profile of outer part 25.

The side surface position 73,74 of covering part 71, as shown in Figure 6, substantially trapezoidal shape from the side, front side edge and back side edge be parallel to each other and the limit of both sides, front and back and the limit of upside rectangular, the limit of downside tilts from front from top to bottom towards rear. The side surface position 73,74 of covering part 71, bigger than side surface 23b, 23c area of inner part 23, side surface 23b, 23c of inner part 23 are all covered. It addition, as shown in Figure 4, the substantially half in the downstream at side surface position 73,74 center side towards downstream and towards width is close to each other. As shown in Fig. 9��Figure 11, in order to not interfere with seal wire groove 31, the state that side surface position 73,74 is buried with the part by inner part 23 supports inner part 23. It addition, sideway stance 73,74 forward extends out than inner part 23, on the face opposite each other of the extension of sideway stance 73,74, expand on the width of seal wire groove 31 towards front and form inclined-plane 73a, 74a.

As shown in Figure 8, the position, rear surface 75 of covering part 71 is bigger than the rear surface 23d of inner part 23, is all covered by the rear surface 23d of inner part 23. Position, rear surface 75 with on the rear surface 23d of inner part 23 face in opposite directions, the chimeric recess 57 of the fitting projection 75a, fitting projection 75a and inner part 23 that are formed with cylindrical shape is fitted together to.

Covering part 71 highlights than inner part 23 in the vertical direction. Position, rear surface 75 from the end face that inner part 23 highlights downwards, be formed with the groove portion 77 on the extended line being positioned at seal wire groove 31. Groove portion 77 downward, is formed slopely from front to back.

Conduit part 81 rearward extends from the position, rear surface 75 of covering part 71. Conduit part 81 is cylindric. The fitting projection 75a at the position, rear surface 75 of the through covering part 71 in inner space of conduit part 81 is that straight tube-like extends, and constitutes the supply road 61 guiding oil preparation.The diameter on supply road 61 is bigger than the oil transportation hole 55 formed on the rear surface 23d of inner part 23, docks with oil transportation hole 55 with the state comprising oil transportation hole 55.

End face (upper surface 71e) the protected plate member 27 of the upstream side of covering part 71 covers. Protection board parts 27 are formed by various steel plates. Use SUS304 corrosion resistant plate in the present embodiment. Protection board parts 27 are as it is shown in figure 5, according to the substantially u-shaped shape of shape of upper surface 71e of covering part 71, all cover the upper surface 71e of covering part 71, and do not interfere with tow Y and move along seal wire groove 31. The additionally both ends of the width of protection board parts 27, along the outer surface bending of outer part 25, also cover the top at side surface position 73,74.

In the manufacture method of the oil nozzle 21 of present embodiment, with insert moulding method (insertmolding), inner part 23 is integrated with outer part 25. That is, first insert in type inner part 23 in a mold, around inner part 23, inject the synthetic resin of thawing, make inner part 23 integrated with outer part 25 while making outer part 25 molding. As shown in figure 11, inner part 23 is formed subtracts wall thickness recess 41b, 41c, 41d with on outer part 25 face in opposite directions, therefore, with insert moulding method by time integrated with outer part 25 for inner part 23, outer part 25 enters and subtracts wall thickness recess 41b, 41c, 41d, is improved the bond strength of two parts. After inner part 23 is integrated with outer part 25, protection board parts 27 are bonded on outer part 25.

Oil nozzle 21 according to present embodiment, the seal wire groove 31 guiding the tow Y of movement is to be formed in the inner part 23 of ceramic. Therefore, tow Y slides mobile without the seal wire groove 31 that weares and teares easily on seal wire groove 31. Additionally, the outer part 25 that the outer surface of inner part 23 is made up of the synthetic resin stronger than ceramic resistance to mechanical impulsive force is covered, inner part 23 is not exposed to the outer surface of oil nozzle 21, even if therefore oil nozzle 21 is impacted from outside, is hardly damaged than existing oil nozzle yet. The synthetic resin forming outer part 25 is fibre reinforced plastics, more difficult breakage. And, oil nozzle 21 at the end face of upstream side, adopts the structure that the protected plate member 27 of covering part 71 of outer part 25 covers, the tow Y of high-speed mobile flock together the inside entering seal wire groove 31 time, touch by mistake on end face, be also less likely to occur breakage.

It addition, in the oil nozzle 21 of present embodiment, only constitute being formed partly as inner part 23 of seal wire groove 31 by pottery, compared with existing oil nozzle, pottery the part formed is less. Compact ceramic inner part 23 can disposable a large amount of sintering, it is possible to efficiently produce. It addition, because ceramic inner part 23 miniaturization, it is also possible to cost squeeze also can implement HIP (high temperature insostatic pressing (HIP)) process. It addition, the oil nozzle 21 of present embodiment is made up of pottery and synthetic resin, therefore than the existing oil nozzle lightweight more all formed by pottery.

It addition, in the oil nozzle 21 of present embodiment, inner part 23 forms one with outer part 25 with insert moulding method, is not easily formed gap, not easy oil leakage between two parts. Use the insert moulding method can also cost squeeze producing in a large number. Furtherly, mould is common, as long as changing the size of seal wire groove of the inner part inserting mould, it is possible to not only cost squeeze but also can produce can the oil nozzle of corresponding various fineness tow.

It addition, on the oil nozzle 21 of present embodiment, seal wire groove 31 has flat bottoms 35 and round bottom portion 37 successively at the position more further downstream than oil outlet 51 towards downstream.Therefore, tow Y assembles after being attached oil preparation gradually, it is possible to the tow Y assembled is oiled effectively. Adding and be formed with groove inner fovea part 43,45 in flat bottoms 35, remaining oil preparation can be gathered in this, therefore, it is possible to the Distance Shortened making tow Y and seal wire groove 31 limit contact edge move, makes to increase to the tow Y distance oiled, it is possible to oil to more efficiently tow Y.

(other embodiments)

This utility model is except above-mentioned embodiment, it is also possible to adopt other various embodiments. Such as, the shape in the flat bottoms of seal wire groove and round bottom portion, it is not limited to as shown in figure 21 and figure, the bottom land 235b of flat bottoms 235 is plane, and the bottom land 237b in round bottom portion 237 is dipped curve surface in the central authorities of width. In other embodiments, as shown in figure 23 and figure 24, the bottom land 335b of the flat bottoms 335 and bottom land 337b in round bottom portion 337 is dipped curve surface in the central authorities of width, and the curvature of the bottom land 337b in the ratio of curvature round bottom portion 337 of the bottom land 335b of flat bottoms 335 is little. In this case, compared with the bottom land 335b of flat bottoms 335, the bottom land 337b in round bottom portion 337 is thinner in the inboard of the depth direction of groove, it is possible to the tow Y tow flocked together effectively is oiled.

It addition, in the oil nozzle 21 of present embodiment, inner part 23 and outer part 25 use insert moulding method to form one, but. After inner part and outer part can also be made to be formed respectively, it is adhered by together integrated.

Alternatively, it is also possible to cover inner part outer part on covering part on the tubular configured joint of monomer is installed and forms conduit part.

Claims (4)

1. an oil nozzle, it is characterised in that

Having inner part, it is made up of pottery, has the seal wire groove guiding tow, and forms the oil outlet of ejection oil preparation on described seal wire groove;

Outer part, it is made up of synthetic resin, covers the outer surface of described inner part.

2. oil nozzle according to claim 1, it is characterised in that

The described synthetic resin forming described outer part is the fibre reinforced plastics containing fortifying fibre.

3. oil nozzle according to claim 1 and 2, it is characterised in that

Described outer part has the supply road being connected with described oil outlet, described oil preparation being supplied to described oil outlet,

Insert described inner part in a mold, and around described inner part, inject the described synthetic resin of thawing, thus while forming described outer part, described inner part is integrated with described outer part.

4. oil nozzle according to claim 1 and 2, it is characterised in that

Described seal wire groove has flat bottoms and round bottom portion, described flat bottoms and described round bottom portion than described oil outlet more by the downstream of the moving direction of described tow, and downstream side is by the order arrangement of described flat bottoms, described round bottom portion,

The bottom land in described round bottom portion is, the curved surface under the fovea centralis of its width,

The bottom land of described flat bottoms is, plane or the curved surface less than described round bottom curvature.