CN102282300A

CN102282300A - Lap-forming device for machines manufacturing fibre webs, such as a lap-winder

Info

Publication number: CN102282300A
Application number: CN2009801549047A
Authority: CN
Inventors: 吉罗拉莫·普兰迪尼; 罗伯托·托尔科利
Original assignee: Marzoli SpA
Current assignee: Marzoli SpA
Priority date: 2008-12-19
Filing date: 2009-12-17
Publication date: 2011-12-14
Anticipated expiration: 2029-12-17
Also published as: ITBS20080232A1; EP2376685A1; IT1392450B1; EP2376685B1; WO2010070608A1; BRPI0923105B1; CN102282300B

Abstract

A device (1) of a fibre manufacturing machine, such as a lap-winder, forming a lap (L), comprises a pair of calenders (22,24) to support the lap being formed, and a belt (30) which forms a circuit next to the formation area (20), in contact with the lap in formation, to limit the formation of thickening.

Description

Being used to such as lapper made the scroll apparatus for converting of fibroreticulate machine

Technical field

The present invention relates to a kind of being used to such as lapper makes the scroll apparatus for converting of fibroreticulate machine.

Background technology

Fiber manufacturing system prediction is that the processing of fiber of form is so that obtain yarn usually with the flock.

System is made up of many machines; Carding machine makes it possible to produce fiber web especially.

In the lapper that is placed in carding machine downstream circuit, many nets are pulled and are mutually combined and rolled up to form, and are wound into pipe upward to form volume in the scroll apparatus for converting.

An embodiment that forms device is described in EP-A1-1464739 with applicant's name.In EP 160165 and US 3134553, other embodiment is described.

Cigarette and is transported to combing machine, and is transported to drawing frame, Speed frames and fine spining machine forming with the spool that is respectively applied for net, rove and yarn from the net that is produced by these combing machines that winds off the beginning.

The volume that produces the rule that does not have wearing and tearing is vital.

Yet, in the device of known technology, forming volume, this volume keeps adding press contacts with two calenders that rotate with higher speed.The volume that forms by the net that twines especially near the softness of the contact lines upstream of calender tends to form thickening owing to roll up the resistance that runs into when circumvolution is on the surface of calender.This phenomenon is called as " thickening " in the industry.

Summary of the invention

The objective of the invention is to make the scroll apparatus for converting especially for lapper, this scroll apparatus for converting can overcome or suppress the problem that thickening forms.

Realize this purpose by the scroll apparatus for converting of making according to following claim 1.Independent claims are described the embodiment modification.

Description of drawings

With reference to the accompanying drawings, the description by hereinafter providing with non-limiting example, will be very clear according to the feature and advantage of formation device of the present invention, wherein:

Fig. 1 shows the stereogram according to the initial launch structure of the scroll apparatus for converting of an embodiment of the invention;

Fig. 2 shows the stereogram of the configured intermediate of the device among Fig. 1;

Fig. 3 shows the stereogram of the final structure of the device among Fig. 1;

Fig. 4 show according to another embodiment according to formation schematic representation of apparatus of the present invention;

Fig. 5 a to 5h shows another embodiment of the formation device in a series of fabrication stages; And

Fig. 6 to 11 shows the other embodiment modification of scroll apparatus for converting.

The specific embodiment

According to the present invention, the machine that being used to such as lapper made fiber web or volume comprises scroll apparatus for converting 1.

Device 1 has the input area that enters 2 that is used to net W, and net W is from the towing of for example lapper and twine the equipment of lines upstream equipment and so on, device 1.

Preferably, device 1 comprises the input block 4 that is placed in net W in the input area 2, that receive and the direction of advancing is departed from.

For example, input block 4 comprises motor-driven input cylinder 6 and engages to drag a pair of

input roller

8,10 of net W with the input cylinder.

In addition, preferably, input block 4 comprises alignment roller 12, and net W passed through on alignment roller 12 before extending towards the formation zone 20 of volume L.

Volume L forms by being wrapped in the net W that the surface is installed with around the pipe T in hole.

In addition, device 1 comprise the formation that is used to roll up L, a pair of calender motor-driven and that preferably have the fixed bias circuit line for example.

In addition, device 1 comprises that at least one is with 30, and at least one engages with in the described calender at least one with 30, in the described calender described at least one be called main calender 22, towards another calender that is called as secondary calender 24, so that L is rolled up in formation.

Especially, be with 30 to contact with main calender 22 in a contact portion at least, this contact portion has and forms the relative fan-shaped layouts in zone 20, and it is relative with secondary calender 24 to form zone 20.

Preferably, in addition, device 1 comprise can be during the formation of volume the tension adjustment device of tension force of accommodation zone 30.

For example, adjust device and comprise idler roller 40, described idler roller 40 be with 30 to engage, have movable pivot center so that be with tensioning or loosen and then adjustment of tonicity.

According to preferred implementation, with 30 closed-loop paths that form around main calender 22.For example, alignment roller 12 and idler roller 40 are placed in this loop that is formed by band.

Preferably, in addition, be with 30 between main calender 22 and input cylinder 6 process, and departing from and before advancing in the formation zone of volume, engaging in the

input roller

8,10 at least one by end rollers 12.

Serve as the device of transport network with 30 at least a portion in loop.

Especially, net W and be with 30 towards 10 polymerizations of second input roller, so that in the lines upstream of second input roller 10, net W and be with 30 separately and towards roller 10 polymerizations, and at the downstream of input roller 10 circuit, net are with 30 to support and guided towards alignment roller 12.

In addition, device 1 comprises volume or the pipe that guiding device is forming with guiding.

For example, described guiding device comprises carriage 50, and carriage 50 comprises a pair of dish 52, and described a pair of dish 52 separates so that limit zone between them along the pivot center of

calender

22,24.

When volume formed beginning, the pipe T that still not have on every side to net put and leans against on two

calenders

22,24 and be placed between the dish 52 of guiding device.

In addition, carriage 50 comprises first telecontrol equipment, and this first telecontrol equipment is connected in dish 52 so that these rims for example with the formation direction consistent with the tangent direction of two

calenders

22,24 moves.

For example, described telecontrol equipment is pneumatic.

In a side of main calender 22, the section with 30 is arranged between pipe T and described calender 22, this section with 30 forms the part that contacts with main calender 22, from alignment roller 12, and this section will be netted W and supply to and manage T.

Forming the normal operation period of device 1, in the initial formation structure (Fig. 1) of volume, pipe T leans against on the

calender

22,24 putting under the situation of not netting W.

Carriage 50 so that two dishes 52 are found own axial end portion place at pipe T, coils containing pipe T at the extreme position of withdrawing.

Idler roller 40 is at limit tension position, and in this position, band has its maximum tension; In other words, idler roller 40 is with 30 tensionings in the maximum distance apart from the pivot center of main calender 22 so that make.

Forming the normal operation period of device 1,

calender

22,24 is in the rotation, and net W is fed into input block 4 and by being with 30 transportations to pipe T.

Rotation by pipe T under the help of the negative pressure in being installed with the pipe T in hole and

calender

22,24 can be wrapped on the pipe T net W.

Form in the structure (Fig. 2) in the centre, volume is pressed onto on two

calenders

22,24 in rotation by carriage 50, and with net W by being with 30 to be supplied to.

Carriage 50 is in the centre position, and in this centre position, dish 52 is forming translations on the direction, and with comparing initial formation in the structure, separate bigger distance with the pivot center of

calender

22,24.

Idler roller 40 is in that be suitable for making must be than at the initial middle tension position that lacks in the structure that forms with 30 tensionings.Compare the pivot center of the more close main calender 22 of idler roller 40 in other words, with in the initial formation structure of volume.

By this way, because the volume of volume increases, continue to put and lean against on the calender and just on the section of the lines upstream of band-calender contact portion 22 of being with, so band fluffs and adapts to the shape of volume, for example in the lines upstream bending of band-calender contact portion 22.

Serve as the induction element of rolling up in the forming process with 30, and especially, make it possible to eliminate the thickening problem.

Form in the structure (Fig. 3) final, volume has the maximum volume of expectation, and carriage 50 is at extreme position forward, that is, dish is in the maximum distance apart from the pivot center of calender, and idler roller is at minimum tension position, that is, in minimum distance from the pivot center of main calender 22.

According to another modification (Fig. 4) that forms device, input block 4 comprises input cylinder 6, be with 30 and net W towards input cylinder 6 polymerizations, downstream circuit at input cylinder 6, be with 30 transport network W, and described formation device is equipped with alignment roller 12, and transport network W is with 30 will be with 30 self to ride alignment roller 12 settings, moves towards forming zone 20 subsequently.

In addition, in described modification, input block comprises another to input roller 14,16 around alignment roller 12.

At the downstream circuit of input cylinder 6, be with 30 between the end rollers 12 and first input roller 14 process, and then between the end rollers 12 and second input roller 16 through being with 30 self to separate and advance towards forming zone 20 from end rollers 12 then to make.

According to another embodiment (Fig. 5 a to 5h), form device 1 and comprise mobile auxiliary equipment, this moves auxiliary equipment can revise their position initialization to engage alignment roller 12 and also to be convenient to roll up L except others in different zones with respect to alignment roller 12 according to order.

According to an embodiment, auxiliary equipment comprises at least one side roll that has with the substantially parallel pivot center of the pivot center of alignment roller 12, at least one side roll under the company of net with being with 30 to engage with alignment roller 12, and can be with respect to this alignment roller 12 based on the order layout.

According to preferred implementation, auxiliary equipment comprises a pair of

side roll

60,62 and for example by the order flange 64 that constitutes with the coaxial dish of alignment roller, side roll is incorporated into order flange 64 rotationally.

Preferably, in addition, auxiliary equipment comprise the side roll that makes alignment roller based on order near or away from second telecontrol equipment.

For example, telecontrol equipment comprises that in first support member 66 and second support member, 68, the first support members 66 and second support member 68 each supports in the described

side roll

60,62.

Preferably, the shape of two support members is opposite with the shape of alignment roller.

Two support members are articulated in each other, and for example are articulated in order flange 64 at identical some place.

By this way, for the given angle position of order flange, the rotation of

support member

66,68

cause side roll

60,62 near or away from alignment roller 12.

The rotation of order flange makes side roll rotate around alignment roller to a certain extent, and this revises the zone of the joint between side roll and the alignment roller.

According to preferred implementation, telecontrol equipment also comprise for example be pneumatically driven, be incorporated into the order flange and be connected in the cylinder piston unit 70 of support member 66,68.The startup of cylinder piston unit causes the rotation of support member, so cause side roll near or away from (direction that depends on the translation of piston) alignment roller.

Will net W be incorporated into phase I in the formation device 1 that is equipped with auxiliary equipment (Fig. 5 is a) in (initial phase), the order flange rotate into make side roll especially the lines upstream of side roll 60 with respect to the direction of advancing of band as much as possible in the lines upstream of alignment roller.

Engage with side roll 60 and alignment roller 12 immediately by the net W that comes in 30 transportations.

In initialized second stage (Fig. 5 b and 5c), net W is by being with 30 to accompany around alignment roller, and the order flange is also little by little rotated so that downstream circuit side roll 62 is accompanied the net W that comes out from alignment roller 12.

Proceed around net is wrapped in described pipe, (to form the stage towards the advancing of pipe T that is placed between the

calender

22,24 by net W to form volume L with 30 transportations; Fig. 5 d to 5f).

During forming, as mentioned above, little by little translation of carriage 50, and be with 30 little by little to be become slack.

In case formed volume L, net W need be torn so that can remove the volume L of formation and begin to form new volume.

The order flange 64 rotate into make side roll especially downstream circuit side roll 62 move down as far as possible with respect to alignment roller 12.

By this way, net is clamped therein is wound into the band on the volume so that the edge that is torn is neat and level and smooth so that the zone that is used to tear is very close.

Telecontrol equipment is driven on following direction and can causes the pressure of side roll against alignment roller 12.In the embodiment that illustrates, for example, the piston-retraction of cylinder piston unit 70, thus the pressure of side roll on alignment roller caused.

That volume L promotes, carriage 50 is combined with the slowly running of dish 52 of the rotation that causes volume L further away from each other from

calender

22,24, consider the online clamping that is caused by

cylinder

62,12, the rotation of volume L causes tearing of described net.

In order to expel volume L (Fig. 5 h),, be with 30 roller 40 tensionings that are tensioned according to preferred implementation; The band self-acting is rolled on the secondary calender 24 thereby make to roll up on volume 30.

Perhaps, the mutual alignment of the size of calender and they is arranged so that the center of gravity of the volume L of formation drops on the decline section on surface of secondary calender 24, thereby in case the effect that causes rolling up disengaging dish 52 just freely fall.

According to another embodiment (Fig. 6) of scroll apparatus for converting 1, the gap 100 between the calender be with the tangent common direction of described a plurality of calenders on asymmetric zone.

Especially, " gap between the calender " is defined as by two lateral

cylindrical surface

22a, 24a of two

calenders

22,24 and forms the zone of total imaginary tangent plane 102 restrictions of two

surperficial

22a, 24a of the calender in the zone 20, wherein, pipe T is positioned to two calenders and contacts.

In aforementioned embodiments, gap 100 is asymmetric, and reason is with the diameter of the main calender 22 in 30 the loop littler than the diameter of secondary calender 24.

For example, the big or small ratio between the diameter of main calender and the diameter of secondary calender is preferably between 0.3 to 0.4 and generally speaking is 0.27 between 0.2 to 0.5.

In addition, in an embodiment modification, be equipped with the scroll apparatus for converting 1 formation system of dish 52 and pipe T, wherein, be with 30 not to be clamped in that (Fig. 6 a) between pipe T and the main calender 22; This can be found out by the following fact: along main calender planar I, the surface of pipe does not contact with the working surface of band, but have about 0.5 millimeter to 1 millimeter space S, main calender planar I pass main calender pivot center and the pipe T under primary condition axis and be blocked in the dish 52 between.

According to another embodiment (Fig. 7), form device 1 with 30 have from pipe T points of tangency 112 beginnings of going up in the opposite direction with the side that advances of the band of normal operation, be positioned at the winding bend 110 on the main calender 22.

In other words, when forming the circulation beginning, pipe T puts and leans against on two

calenders

22,24; Especially, its along section 112 be with 30 to contact; In the lines upstream of section 112, be with 30 to be wrapped in the bend 110 around the main calender 22 twining before separately from main calender 22.

Rely on alignment roller 12 to obtain to twine bend 110, alignment roller 12 is positioned to significantly away from forming the zone and being rotated with respect to vertical direction.

Preferably, have the embodiment that twines bend 110 and also predict gap 100 between the asymmetric calender.

According to another embodiment, scroll apparatus for converting 1 comprises the supplemental support roller 150 that is placed between alignment roller 12 and the main calender 22; Therefore, the support section 152 of band be limited to 30 with main calender 22 contact section and with 30 with contact (Fig. 8) between the section of backing roll 150.

During the formation of volume L, thereby the formation of volume L is to contact with the support section 152 of band with backing roll 150 against main calender 22 and to finish.

Preferably, has asymmetric gap 100 between the winding bend of the embodiment prediction calender of backing roll and/or the band on the main calender.

According to an embodiment modification, be equipped with the scroll apparatus for converting 1 formation system of dish 52 and pipe T, wherein, when forming the circulation beginning, be with 30 not contact with pipe T, wherein, pipe is blocked in that (Fig. 8 is a) between the dish.The surface of pipe has about 0.2 millimeter to 2 millimeters space S.

According to another embodiment (Fig. 9), bore a hole with 30, that is, band has many holes of passing its thickness.

According to another embodiment, bigger with 30 width or the sizes that on the direction of the pivot center of calender, have than the axial length of main calender, and for example, than 0.5 millimeter of the slightly small about every side of axial distance between the dish 52.

According to another embodiment (Figure 10 and 11), little more a lot of at width that has on the direction of the pivot center of calender or size than the axial distance between the dish with 30.For example, with 5 millimeters of the narrow about every sides of distance between the 30 ratio dishes 52.

Preferably, in said embodiment, device 1 comprises place, side that is placed in main calender 22 and two side direction flanges 200 that are securely attached to main calender 22; Flange 200 preferably is at least the thickness of band with respect to the radial surface ground protrusion of main calender 22, so that be formed for the winding guiding piece with 30, is wound on the main calender 22 so that form the face of cylinder of touching with the cigarette that is forming with 30.

According to another embodiment, device 1 comprises the device that makes pipe be positioned at the center, for example, described device comprises the insert 202 of a pair of truncated cone, the insert 202 of a pair of truncated cone attaches to dish 52 at the center, and be suitable for being inserted among the pipe T, so that when volume forms the circulation beginning, make the position of pipe be positioned at the center at least.

Innovation ground, formation device according to the present invention make it possible to eliminate or reduce thickening during the formation of volume.

Advantageously, in addition, device makes it possible to use when keeping high quality standards high velocity of rotation to form volume.

According to another favourable aspect, the asymmetric gap between the calender makes it possible to and will be distributed on the volume that forms in the best way by the calender applied pressure, thereby restriction forms thickening.

According to another favourable aspect, the volume that the winding angle of band on main calender makes it possible to forming is not by the disturbances that is produced by the band that moves.

In addition, advantageously, the band of perforation makes it possible to limit the disturbance that caused by the band that the moves effect to the volume in forming, and reason is, because therefore the path that is produced by the hole flows and flow out outside the formation zone.

Advantageously, in addition, the band that width reduces makes it possible to the clamping of the bar of the possibility of limit interferences dish and net, and the band that the guiding stably under any circumstance of the flange of main calender is twined.

According to another favourable aspect, the insert of dish makes it possible to when forming the circulation beginning, will manage to be positioned to fully with dish and align to prevent that pipe from then rotating prejudicially with these dishes.

It is evident that persons skilled in the art can modify so that satisfy possible requirement above-mentioned formation device.

For example, according to an embodiment modification, main calender is installed with the hole from the teeth outwards to separate the turbulent flow by the mobile generation of band.

According to another embodiment modification, main calender is motor-driven; According to another modification, main calender is not motor-driven.

According to another embodiment modification, secondary calender be motor-driven and be independent of main calender motion so that thickening minimize.

These modification also drop on as in the protection domain that is limited by following claim.

Claims

1. device that is used for fiber process machine formation, such as lapper (1) that is used for volume (L), described device can be through the initial construction that form this volume and to the final structure that forms described volume, described device comprises:

Form zone (20), in described formation zone (20), to described final structure described volume is set from described initial construction;

Main calender (22), described main calender (22) can rotate into around pivot center and form described volume, and described calender can support the described volume that is forming to described final formation structure from described initial construction;

Band (30), the close described loop that forms zone (20) of described band (30) formation, touch with the described cigarette of constructing formation from described initial construction to described final formation in described loop.

2. device according to claim 1, wherein, described band can pass through to turn round on the direction of the formation of described volume and move.

3. device according to claim 1 and 2, wherein, the described loop of described band is closed, described main calender is contacting with described band in a contact portion in described formation zone (20) in described loop and at least.

4. according to each described device in the aforementioned claim, comprise alignment roller (12), described alignment roller (12) is placed in and describedly forms the lines upstream in zone (20), engages with described band so that the path deviation of described band and in the described loop of described band.

5. device according to claim 4, wherein, input block comprises input cylinder (6) and the input roller (8,10) that engages with described input cylinder (6), described input cylinder (6) is positioned at outside the loop of described band with described input roller (8,10).

6. according to each described device in the aforementioned claim, comprise the device of the tension force of adjusting described band.

7. device according to claim 6, wherein, described adjustment device comprises idler roller (40), and described idler roller (40) engages with described band (30) in the loop of described band (30), and described idler roller (40) has mobile pivot center so that described band tensioning or loosen.

8. according to each described device in the aforementioned claim, comprise the secondary calender (24) adjacent with described main calender, the pivot center that described secondary calender (24) can rotate into around volume forms described volume, and described secondary calender can support the described volume that is forming to described final formation structure from described initial construction with described main calender.

9. according to each described device in the aforementioned claim, comprise the guiding device of the described volume that is forming, described guiding device can guide the described volume that is forming.

10. device according to claim 9, wherein, described guiding device comprises carriage (50), described carriage (50) comprising:

A pair of dish (52), described a pair of dish (52) is spaced apart along the pivot center of described calender (22); And

First telecontrol equipment, described first telecontrol equipment are connected in described dish (52) to be used for and the formation of described volume these dishes of translation synchronously.

11. according to Claim 8 with 10 described devices, wherein, described translation along with the direction consistent formation direction tangent with described two calenders (22,24).

12. according to each described device in claim 4 and the aforementioned claim, comprise mobile auxiliary equipment, described mobile auxiliary equipment can according to order revise described mobile auxiliary equipment with respect to the position of described alignment roller (12) to engage described alignment roller (12) in different zones.

13. device according to claim 12, wherein, described auxiliary equipment comprises at least one side roll (60,62), and described at least one side roll (60,62) has the substantially parallel pivot center of pivot center with described alignment roller (12).

14. device according to claim 13, wherein, described auxiliary equipment comprises order flange (64), and described side roll is incorporated into described order flange (64) rotationally.

15. according to each described device in the aforementioned claim 12 to 14, wherein, described auxiliary equipment comprises second telecontrol equipment, the described side roll that described second telecontrol equipment makes described alignment roller near or away from.

16. according to each described device in the aforementioned claim, wherein, the gap (100) between described main calender (22) and the described secondary calender (24) is asymmetric.

17. according to each described device in the aforementioned claim, wherein, the diameter of described main calender is less than the diameter of described secondary calender.

18. device according to claim 17, wherein, the ratio between the described diameter of described main calender and the described diameter of described secondary calender is 0.2 to 0.5, is preferably 0.3 to 0.4 and be preferably 0.27.

19. according to each described device in the aforementioned claim, wherein, going up in the opposite direction with the side that advances of described band, described band (30) has the winding bend (110) on described main calender (22).

20. according to each described device in the aforementioned claim, comprise backing roll (150), the support section that is suitable for supporting the described volume that is forming (112) of described band (30) is between described backing roll and described main calender (22).

21. according to each described device in the aforementioned claim, wherein, described band (30) is bored a hole.

22. according to each described device in the aforementioned claim, wherein, described main calender (22) is bored a hole.

23. according to each described device in the aforementioned claim, wherein, the width of described band (30) is less than the distance between the described dish (52).

24. according to each described device in the aforementioned claim, comprise the side place that is placed in described main calender (22) and be incorporated into a pair of flange (200) of described main calender (22) that described a pair of flange (200) is from the radial surface ground protrusion of the described main calender guiding piece with the band that is formed for moving.

25., comprise the device that makes the described pipe (T) that supports by described calender be positioned at the center according to each described device in the aforementioned claim.

26. according to each described device in the aforementioned claim, wherein, described main calender is independent of described secondary calender (24) and drives.

27. a lapper comprises according to each volume of making (L) in the aforementioned claim forming device (1).

28. a system that forms volume comprises:

According to each the described formation device in the claim 1 to 26;

Pipe (T);

Wherein, described band (30) is not clipped between the surface of described pipe (T) and described main calender when forming the circulation beginning.

29. a system that forms volume comprises:

According to each the described formation device in the claim 1 to 26;

Pipe (T);

Wherein, described pipe (T) when forming the circulation beginning and the working surface of described band (30) separate.