CN102695825A

CN102695825A - Fibers feeding device for feeding tuft to a working machine, like a carding machine

Info

Publication number: CN102695825A
Application number: CN2010800507779A
Authority: CN
Inventors: 马里奥·马舍蒂
Original assignee: Marzoli SpA
Current assignee: Marzoli SpA
Priority date: 2009-11-12
Filing date: 2010-10-22
Publication date: 2012-09-26
Anticipated expiration: 2030-10-22
Also published as: BR112012011341B1; BR112012011341A2; WO2011058467A1; ITBS20090206A1; EP2499284A1; IT1396876B1; EP2499284B1; CN102695825B

Abstract

A feed device (6) of fibre in tufts to a carding machine comprises a silo (8), a feed roller (14), an opening roller (30), a basin (22) and a blowing duct (50), which the current of conveying air is channelled in and which comes out on the opening roller. An end compartment (70) is delimited by a lower permeable wall (72) beyond which an intermediate compartment (74) and a second recovery compartment (80) are positioned; the intermediate compartment (74) is separated from the second recovery- chamber by a partition (76) responsive to the current of air to regulate the exit of air towards the second recovery compartment (80) in proportion to the current of air.

Description

Be used for supplying with the fiber feedway of wire harness to the working machine of for example carding machine

The present invention relates to a kind of fiber feedway of working machine, for example be used for supplying with the fiber of bunchy to carding machine.

The fiber process production line that is used to produce yarn is made up of several kinds of working machines, and for example one or more carding machines and some make fibril aggregation device therein before supplying with fiber (for example bunchy) to working machine.Working machine and feedway are connected to each other through conveyance conduit, in said conveyance conduit, pass through the air flow transport fiber.

Although main work is carried out by working machine, the function of feedway is very important: in fact, fixed is that mode from fiber to working machine that supply with has greatly influenced the result who processes through said working machine.

Become known for spinning a lot of fiber feedway solutions of production line have for example illustrated some embodiment, perhaps known for example the applicant feedway B136 under one's name in document EP-A1-458818, EP-A1-468985.

Importantly, do not make under the situation about rotatablely moving of fibre matting (tangle), little by little and regularly supplying with the fiber in the bunker (silo, feed bin) that is stored in feedway to working machine; Yet simultaneously to being protected for the demand of guaranteeing the work flow that higher productivity ratio is senior day by day.

The objective of the invention is to satisfy the demand.This purpose realizes through the feedway according to following claim 1.Dependent claims has been described embodiment variant.

In the following description of carrying out with the mode of limiting examples, will be conspicuous according to the feature and advantage of feedway of the present invention, wherein:

Fig. 1 shows a part that comprises according to the spinning production line of feedway of the present invention;

Fig. 2 shows the cross section according to feedway of the present invention;

Fig. 3 shows the enlarged drawing of the frame III among Fig. 2;

Fig. 4 shows the axonometric drawing of the part of feedway, special concern be the recovery of carrying air flow;

Fig. 5 shows the axonometric drawing of formation according to the housing of the suction chamber of device of the present invention; And

Housing among the Fig. 5 that does not have lid has been shown among Fig. 6;

Fig. 7 shows according to the formation of another embodiment axonometric drawing according to the housing of the suction chamber of device of the present invention; And

Fig. 8 shows the housing among the Fig. 7 that does not have lid.

With reference to accompanying drawing, reference number 1 represent on the whole the to spin part of production line.

The spinning production line comprises a plurality of working machines (for example a plurality of carding machine 2) and distribution duct 4, in said distribution duct, flows transport fiber through air distribution.In addition, production line 1 comprises at least one feedway 6, owing to be connected to conveyance conduit 4, makes fiber arrive this feedway through air flow.Device 6 is positioned at the upper reaches of relevant work machine, and said device is supplied with fiber to working machine.

Feedway 6 comprises bunker 8, and said bunker has the main extension along bunker axis Y between last supply hole and following hole, and the said supply hole of going up is connected to conveyance conduit 4, and said hole down is positioned at the height place lower than the height on top.

In a preferred embodiment form, the bunker axis is vertical, promptly with the ground level quadrature of shelving unit; In another embodiment, the bunker axis tilts about ground level.

Bunker 8 comprises and is suitable for making gas permeable wall 10 at least one that air flow passes.

In bunker 8 outsides, outside gas permeable wall 10, device 6 comprises the first recovery chamber 12 of the transportation of the conveying air flow that is used for passing gas permeable wall.

In the downstream of bunker 8, feedway 6 comprises donor rollers 14, and said donor rollers has facing (facing) from the teeth outwards, is supplying with on the direction of rotation 14a around the supply axis that is transverse to bunker axis Y 16 rotations.

At the lower end place of bunker 8, but at the upper reaches of donor rollers 14, device 6 comprises guide wall 18, and said guide wall is preferably flat, for example be tilt to reduce the transportation cross section of fiber, terminate in the guide edge 20.Supply with the edge 20 of direction of rotation away from guide wall 18.

Relative with guide wall 18, device 6 comprises supplies with groove (basin) 22, and said supply groove is limited on a crooked at least in part wall, towards the internal recess of bunker, terminates in the recess edge 24.Supply with direction of rotation towards groove 22.

The following hole of bunker 8 limits between guide edge 20 and groove opposite, for example is positioned to comprise on guide edge 20 and the plane perpendicular to vertical axis.

According to a preferred embodiment, the guide edge 20 of wall 18 is overlapping with the supply axis in the vertical direction of roller 14, and with when roller rotates, the following hole of bunker leads to the part 26 of the side of the donor rollers that is rotated down.

In another embodiment, the guide edge 20 of wall 18 squints on supply direction of rotation 14a with supply axis 16.

In addition, the part of the side of donor rollers 14 and the groove 22 that on the direction of advance of fiber, has a cross section that reduces form grooves.

According to a preferred embodiment, the recess edge 24 of groove 22 is positioned at supplies with rotation 16 belows, promptly is positioned at the horizontal plane below of passing said axis 16.

In another embodiment variant, the recess edge 24 of groove 22 flushes (being that they are positioned on the identical horizontal plane) with the supply axis of roller 14.

In addition, feedway 6 comprises combing roller (opening roller) 30, and said combing roller is positioned at the downstream of donor rollers 14, has the tip from the teeth outwards, on the branch comb direction of rotation 30a opposite with supplying with direction of rotation 14a, combs axis 32 rotations around dividing.

Donor rollers 14 interacts in the lateral side regions that is arranged in recess edge 24 downstream with combing roller 30, so that fiber is passed to combing roller from donor rollers; The peripheral speed of combing roller is greater than the peripheral speed of donor rollers.

Plane about ground level tilts is passed supply axis 16 and is divided comb axis 32.Preferably, the inclination angle is 48 ° to 52 °, is preferably 49.5 ° to 50.5 °, is preferably 50 °.

Confirmed the tangent plane T in surface (remembering that circumference is limited at lip-deep tip or facing) with donor rollers and combing roller; On a side of groove 22, the chamber that will between the interaction zone of two sides of said tangential plane,

roller

14,30 and said roller exchange fiber (Fig. 3), limit is defined as " gap " 34 between these rollers.

Therefore groove 22 extends in roller 14, the gap between 30 34.Preferably, recess edge 24 is positioned at the downstream of branch comb axis about minute comb direction of rotation.

According to an embodiment variant, recess edge is combed the alignment of axis 32 in the vertical directions with dividing.

Feedway 6 also comprises can blow the blowing device of carrying air flow.

For example, blowing device comprises and can and will carry air flow to blow to motor 40 and fan 42 the blowing pipeline 50 from suction chamber 44 suction airs that said blowing pipeline is open facing to combing roller 30, preferably on groove 22 next doors.

In said air flow and zone that said roller is associated, the hole of blowing pipeline is towards combing roller, so that the conveying air flow that flows out has identical direction of rotation with combing roller.

Preferably, tangent from the outflow direction and the combing roller 30 of conveying air flow of blowing pipeline 50.

In addition, preferably, blowing pipeline 50 appears at the upper reaches of the interaction zone of

roller

14,30.

The conveying air flow is assisted fiber from combing roller 30, to break away from and through air flow fiber is transported downstream.

Device 6 also comprises output wall 60, and said output wall is positioned at the downstream of the interaction zone of

roller

14,30, and preferably limiting towards combing roller 30 recessed curved walls, the side of said output wall and combing roller 30 forms disperses (divergent) groove.

In the downstream of combing roller 30, device 6 comprises makes fibril aggregation in terminal room (end compartment) 70 wherein, and said terminal room preferably tilts.

Gas permeable wall 72 limits terminal room 70 at least one that air flow passes at least in part being suitable for making.

70 outsides in the chamber, in gas permeable wall 72 parts, device 6 comprises the medial compartment 74 of the transportation of the conveying air flow that is used for passing gas permeable wall 72.

Carry air flow to guide fiber into terminal room 70, conpressed fibers also flows out from terminal room through gas permeable wall 72.

Medial compartment 74 is limited the separator (partition) 76 of response air flow, to regulate pro rata towards the width of the outlet gap 78 of the second recovery chamber 80 with air flow.

Especially, because machine is static, separator 76 is substantially parallel with gas permeable wall 72.

According to a preferred embodiment, separator 76 is that fix and deformable.

According to additional embodiments, separator has a continuous surface, and perhaps separator has a perforated surface.

Be connected to the suction chamber 44 of fan 42 the second recovery chamber, 80 fluids.

Especially, reclaim chamber 80 and limited upper wall 82 at the place, top, said upper wall 82 for example is attached at separator 76 tops, is present at least one air entry that reclaims in the chamber 80 and is connected to said upper wall.

Preferably, be provided with at least two mouths (vent) 84a, 84b, said mouth will be connected to the suction chamber 44 of fan 42 with will reclaiming chamber 80 fluids.

In addition; Preferably; Two

mouth

84a, 84b (for example about the symmetrical plane perpendicular to the rotation of roller) symmetrically are positioned on the upper wall 82, in initial part, are connected to upper wall 82 at least and are L shaped, the air flow that flows out with guiding on opposite directions.

According to a preferred embodiment, suction chamber 44 be equipped with two the

inlet

202a, 202b and outlets 204 housing (box) 200 limits, said two enter the mouth be connected to respectively fluid the recovery chamber 80 two

mouth

84a, 84b, fan 42 is towards said outlet.

Especially, outlet 204 limits suction axis J, and said axis for example overlaps with the rotation of fan blade 42.On the contrary,

inlet

202a, 202b have the tangential axis W that is positioned at perpendicular on the plane of suction axis J.

Preferably, housing 200 has 206, two of spiral inner rooms inlet 202a and leads to said inner room with 202b, said inner room therein heart position be equipped with isolate protruding 208, said convexity be shaped as the revolution entity, have the side of restraining towards outlet 204.

Like this, two strands of air flows that get into through

inlet

202a, 202b can the phase mutual interference, because they are mixing during protruding 208 rotatablely move, they separate in the porch thus, and towards outlet 204 guiding.

According to another embodiment, the inlet 202a of housing 200,202b coaxial (Fig. 6 and Fig. 7) are promptly along identical tangential axis W location.

Said housing 200 also is provided with outlet 204, and fan 42 is towards said outlet; Outlet 204 limits suction axis J, and said suction axis for example overlaps with the rotation of fan blade 42.Tangential axis W is positioned on the plane perpendicular to suction axis J.

The division wall (divisor wall) 210 that an inner room 206 of housing 200 is formed two arcuate parts 212 on a side limits, and said two arcuate parts intersect at 214 places on the summit, form " V " of arch; Each arch section 212v and

corresponding inlet

202a, 202b relatively are provided with, with towards outlet 204 guiding from the air flow that corresponding

inlet

202a, 202b flow out, prevent that air flow is relative to each other and join and therefore cause the phase mutual interference.

In addition, on a remaining side, inner room 206 is limited closure wall 216, and said closure wall is shaped as inverted " U " around outlet 204.

Terminal room 70 is also for example limited removable wall 90 on top, and said removable wall for example is hinged on combing roller 30 belows.

In the downstream of terminal room 70, device 6 comprises the extraction roll 100,110 of a pair of reverse rotation that is positioned to seal said chamber 70.The starting that the rotation of roller 100,110 allows from terminal room, to take out fiber and allows working machine.

Innovation ground can be little by little and supply equipment regularly according to feedway of the present invention, even under the situation that has the highly-breathable material and therefore be difficult to compress.

Advantageously, leave all fibres of bunker, not opposite any effect (because the surface of rotation roller and air flow of producing by the rotation roller) with the direction of advance of fiber through the donor rollers pushed downstream.

According to another favourable aspect; Groove in company with fiber until the interaction zone of pushed downstream fiber all of these two rollers between donor rollers and combing roller, in this case also not with the direction of advance opposite effect of fiber (because the surface of the combing roller of rotation and air flow of producing by two rollers).

According to another favourable aspect, the conveying air flow that leaves the blowing pipeline can not disturb fiber is passed to combing roller from donor rollers.

According to another favourable aspect, because the regulating action gradually that the deformable separator is carried out, the thick fiber in the terminal room can not receive and pass down the conveying air flow interference that gas permeable wall flows out.

It is obvious to the skilled person that as long as still drop in the protection domain that limits following claim, can make modification to said apparatus, to satisfy particular demands.

Claims

1. the working machine to the for example carding machine of spinning production line is supplied with the for example feedway of the fiber of bunchy (6), comprising:

Bunker (8), said bunker extend along bunker axis (Y) between last supply hole and following hole, and the said supply hole of going up is used for said fiber is input to the conveying air flow, and said bunker has last gas permeable wall (10) to be used to carry the outflow of air;

Donor rollers (14), said donor rollers is positioned at the downstream in said bunker hole, to supply with direction of rotation (14a) around supplying with axis (16) rotation;

Combing roller (30); Said combing roller is positioned at the downstream of said donor rollers (14); Around dividing comb axis (32) rotation, said roller (14,30) interacts so that said fiber passes to said combing roller from said donor rollers in corresponding surf zone with minute comb direction of rotation (30a);

Groove (22), said groove surface is to said donor rollers (14);

Blowing device, said blowing device can blow the conveying air flow;

Blowing pipeline (50); Said blowing pipeline may be operably coupled to said blowing device; The said conveying air flow of guiding in said blowing pipeline; And at the upper reaches of said donor rollers (14) with the interaction zone of said combing roller (30), said blowing pipeline finishes on said combing roller, so that said conveying air flow has identical direction of rotation with said combing roller;

The terminal room (70) that tilts; Downstream at said combing roller; Said terminal room is limited at least one the following gas permeable wall (72) that is suitable for being passed at least in part by said air flow; Outside said terminal room; There is medial compartment (74) location to be used for having passed the conveying air flow of said gas permeable wall (72) towards the second recovery chamber (80) transportation, and wherein said medial compartment (74) is separated by the separator (76) of the said air flow of response with the said second recovery chamber, to regulate pro rata towards the outflow of the air of the said second recovery chamber (80) with said air flow.

2. device according to claim 1; Comprise guide wall (18); Said guide wall is positioned at the place, said hole down of said bunker (8), is positioned at the upper reaches of said donor rollers (14), and said guide wall (18) is that put down and that tilt and terminates in the guide edge (20).

3. device according to claim 2, the said guide edge (20) of wherein said wall (18) align with said rotation (16) in the vertical direction of said donor rollers (14) or on the direction of rotation of the said supply axis (16) of said donor rollers (14), squint.

4. according to each described device in the aforementioned claim, wherein said supply groove (22) terminates in the recess edge (24), and said recess edge is positioned at said supply axis (16) below or flushes with said supply axis.

5. device according to claim 4 extends in the gap (34) of wherein said groove between said donor rollers (14) and said combing roller (30).

6. according to claim 4 or 5 described devices, wherein said recess edge (24) and said branch comb axis (32) are gone up skew in said branch comb direction of rotation (30a).

7. according to each described device in the aforementioned claim, wherein said supply axis (16) and said branch comb axis (32) are positioned on the plane inclined.

8. according to each described device in the aforementioned claim; Comprise output wall (60); Said output wall is positioned at the downstream of the interaction zone of said roller (14,30); Limiting, form the groove of cross section increase with the side surface of said combing roller towards the recessed wall of said combing roller (30).

9. according to each described device in the aforementioned claim, wherein said combing roller (30) can be gone up around said branch comb axis (32) rotation in a minute comb direction of rotation (30a), and said branch comb direction of rotation is opposite with said supply direction of rotation; And

Said groove (22) with a curved wall towards the recessed mode of said donor rollers towards said donor rollers (14), form the pipeline that cross section reduces with the surface of said donor rollers.

10. according to each described device in the aforementioned claim, wherein said separator (76) is regulated towards the width of the outlet gap (78) of the said second recovery chamber (80) with said air flow pro rata.

11. device according to claim 10, wherein said separator (76) is that fix and deformable.

12. according to claim 10 or 11 described devices, wherein said separator has a continuous surface.

13. according to claim 10 or 11 described devices, wherein said separator has a perforated surface.

14., comprise at least two pump orifices (84a, 84b) on the upper wall (82) that is positioned at the said second recovery chamber (80) according to each described device in the claim 9 to 13.

15. according to each described device in the claim 9 to 14, wherein said terminal room (70) is also for example limited removable wall (90) on top, said removable wall for example is hinged on said combing roller (30) below.

16., comprise the extraction roll (100,110) of a pair of reverse rotation that is positioned to seal said terminal room (70) according to each described device in the claim 9 to 15.

17. according to each described device in the aforementioned claim, the suction chamber (44) that wherein said blowing device comprises fan (42) and is positioned at the upper reaches of said fan.

18. the described device of claim 17 when quoting claim 9 is connected to said medial compartment (74) wherein said suction chamber (44) fluid.

19. according to claim 17 or 18 described devices; Wherein said suction chamber (44) is limited housing (200); Said housing is equipped with two inlets (202a, 202b) and an outlet (204); Said fan (42) is towards said outlet, and wherein said outlet (204) limits suction axis (J), and said inlet (202a, 202b) is coaxial.

20. a spinning production line comprises at least one carding machine (2) of supplying with by according to each described feedway in the aforementioned claim.