| Title of Invention | A COILER PLATE FOR A SILVER-COOLING DEVICE FOR A SPINNING PREPARATION MACHINE |
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| Abstract | In a coiler plate for sliver-coiling devices, especially of draw frames and carding machines, having a sliver channel with an inlet and an outlet for sliver and having a rotary plate, there is present on the underside of the rotary plate a cover which has a through opening. In order to create a coiler plate in a simple manner, a connection piece having a through opening is formed integrally with the cover by deformation. |
| Full Text | - 1 - Coiler plate for sliver-coiling devices, especially of draw frames and carding machines The invention relates to a coiler plate for sliver- coiling devices, especially of draw frames and carding machines, having a sliver channel with an inlet and an outlet for sliver and having a rotary plate, there being present on the underside of the rotary plate a cover which has a through opening. In a known coiler plate (EP-A-0 670 281, a round tube, as starting material, is shaped to form a three- dimensionally curved sliver channel. In the semi-finished product, the outlet bend is followed by a straight portion which is separated during completion of the sliver channel. The outlet of the sliver channel is so construct- ed that it terminates level with the base of the rotary plate. The base of the rotary plate has a through opening, the internal diameter of which is greater than the external diameter of the outlet of the sliver channel, so that a gap space is created. The gap space and the opening are introduced when the rotary plate is being cast. The panel-shaped cover of the rotary plate on its underside likewise has a through opening, the internal diameter of - 2 - the cover terminating flush with the outer wall of the " sliver tube outlet. During assembly, the outlet of the sliver tube outlet is inserted through the opening in the rotary plate into the opening of the cover. A casting material is then poured in so that the sliver channel is fixed at an outlet by the casting material, the pour-in site being so covered by the panel-shaped cover that only the free cross-section of the sliver channel is free. A disadvantageous aspect is the considerable effort required in terms of manufacturing and assembly. In particular, the gap space, which is approximately elliptical in cross- section, has to be introduced into the rotary plate. In addition, care must be taken when sealing the sliver channel into the rotary plate with the casting material. The casting material is expensive. A further problem is the considerable amount of time required to close the gap space between the rotary plate and the sliver tube outlet. Sharp edges and transitions require laborious polishing. The problem underlying the invention is accordingly to provide a coiler plate of the kind described at the beginning which avoids that mentioned disadvantages, which has a particularly simple construction and which allows simple manufacture and assembly. That problem is solved by the characterising features of claim 1. Because a connection piece having a through opening - 3 - is formed integrally with the cover by shaping, the openings and the connecting element for the sliver channel outlet are integrated into the cover. The opening, which is approximately kidney-shaped, is advantageously produced from the sheet-form cover by non-cutting shaping, a clean transition being created between the flat cover surface and the contours of the kidney-shaped opening, so that subsequent machining work is completely or largely unnecessary. In particular, there are no problems with adhering fibres or the like. Claims 2 to 56 contain advantageous developments of the invention. The invention will be described in greater detail below with reference to embodiments shown in the drawing. Fig. 1 is a diagrammatic side view of a carding machine with a can coiler that comprises a coiler plate for sliver in accordance with the invention; Fig. 2 is a diagrammatic side view of the drafting system of a draw frame having a coiler plate for sliver in accordance with the invention; Fig. 3 is a coiler plate with a sliver can in longit- udinal section, in which a connection piece is formed integrally with the cover of the rotary plate; Fig. 4 is a perspective view of the connection piece - 4 - formed integrally with the cover; Fig. 5 shows an embodiment in which a guide element is present between the connection piece and the sliver channel; and Fig. 6 shows a further embodiment in which the sliver channel is in engagement with the connection piece. Fig. 1 shows a carding machine, for example a Triitzschler TC 03 carding machine, having a feed roller 1, feed table 2, lickers-in 3a, 3b, 3c, cylinder 4, doffer 5, stripper roller 6, nip rollers 7, 8, web guide element 9, sliver funnel 10, delivery rollers 11, 12, revolving card top 13 with card top guide rollers and card top bars, can 15 and can coiler 16. The directions of rotation of the rollers are indicated by curved arrows. Reference letter M denotes the centre point (axis) of the cylinder 4. Refer- ence numeral 4a indicates the clothing and reference numeral 4b indicates the direction of rotation of the cylinder 4. Arrow A denotes the operating direction. A flock feed device 17 is arranged upstream of the carding machine. The coiler plate 19 is rotatably mounted in the coiler plate panel 18. The coiler plate 19 comprises a sliver channel 20 with an inlet and an outlet (see Fig. 3) for sliver and a rotary plate 21 having a cover 22 on its underside (see Fig. 3). A connection piece 23 is formed - 5 - integrally with the cover 22 (see Fig. 3). On simultaneous rotation of the can 15, the sliver 14 is coiled cycloid- ally in the can 15, so that the can 15 can be filled uniformly with sliver. According to Fig. 2, a draw frame, for example a Trtitzschler-Strecke TD 03, has a drafting system 26 having a drafting system inlet and a drafting system outlet. The slivers 27, coming from cans (not shown), enter a sliver guide means and, drawn by the delivery rollers, are trans- ported past a measuring element. The drafting system 26 is configured as a 4 over 3 drafting system, that is to say it consists of three lower rollers I, II, III (I output lower roller, II middle lower roller, III input lower roller) and four upper rollers 28, 29, 30, 31. In the drafting system 26, the drafting of the fibre bundle 27, which consists of several slivers, is carried out. The drafting operation is composed of the preliminary drafting operation and the main drafting operation. The roller pairs 6/III and 5/II form the preliminary drafting zone and the roller pairs 5/II and 3, 4/1 form the main draft- ing zone. In the drafting system outlet, the drafted slivers (fibre web 32) arrive at a web guide means 33 and are drawn by means of delivery rollers 34, 35 through a sliver funnel 3 6 in which they are combined to form a sliver 37, which is then coiled, by way of a can coiler 16 and coiler plate 19, in sliver rings 38, in a can 39. The - 6 - can 39 is in the form of a rectangular can and in the course of sliver coiling moves in the direction of arrows C and D underneath the coiler plate. The coiler plate 19 comprises a three-dimensionally curved sliver channel 20 for sliver 37 and a rotary plate 21 having a cover 22 on its underside. A connection piece 23 is formed integrally with the cover 22. Reference letter A denotes the running direction of the sliver bundle 27 through the drafting system 26. The coiler plate 19 is arranged in a coiler plate panel 18 (not shown in Fig. 2) which corresponds substantially to the coiler plate panel 18 in Fig. 1. According to Fig. 3, the sliver 37 (see Fig. 2) enters the inlet 20a of the three-dimensionally curved sliver channel 20, passes through the sliver channel 20 and then emerges from the sliver channel 20 again at outlet 20b. The sliver channel 20 is arranged centrically in the rotary plate 21. During the coiling of the sliver, the rotary plate 21 rotates in the direction of arrow D about a rotational axis 211. The rotation of the rotary plate 21 about the rotary can 39 brings about circular (ring-shaped) coiling of the sliver in the can 39. A casting material 40 joins the sliver channel 20 in the region of its inlet 20a to a plate holder 21a. The sliver channel 20 is provided at its outlet 20b with a connection piece 23. It may be advantageous to fix and/or seal the outlet 20b in the inlet opening 23a of the - 7 - connection piece 23, for example by means of silicone, adhesive or the like. The underside of the rotary plate 21 is provided with a cover 22, for example a cover sheet of special steel. Special steel is wear-resistant and low in friction with respect to the sliver 38 coiled in the can 39. In addition, mechanical machining (sanding, polishing) of the base of the rotary plate 21, which, preferably in the form of a cast article, consists of aluminium or an aluminium alloy, is avoided. The cover 22 is arranged to lie closely against the underside of the rotary turret 21 and is affixed, for example, by adhesive bonding. The edge 22', 22' of the cover 22 is bent up and rests against the rotary plate 21. A connection piece 23 having a through opening is formed integrally with the cover 21, the opening being configured for the passage of the sliver. The transitions 23', 23' at the outlet of the drafting system 23 are rounded. According to Fig. 4, the connection piece 23 has an inlet opening 23a, an outlet opening 23b and a wall 23c. The exemplary embodiment has a circular inlet opening 23a and an approximately kidney-shaped outlet opening 23b in the region of the cover 22. The connection piece 23 is formed integrally with the sheet-form cover 22 by non- cutting shaping, for example by pressing or deep-drawing. The transition from the flat sheet-form cover 22 to the wall 23c is advantageously rounded, so that fibre material 7** - 8 - cannot adhere. The sliver passes through the interior of the connection piece 23, that is to say the connection piece 23 is continuously open on the inside. In accordance with Fig. 5, between the outlet 20b of the sliver channel 20 and the inlet 23a of the connection piece 23 there is a guide element 24 or the like, which is approximately in the shape of a tube elbow or the like. The guide element 24 can consist, for example, of a pref- erably wear-resistant casting and can be affixed to the rotary plate 21 by means of a fastening 25. The upper edge at the inlet 23a of the connection piece 23 and the flat cover panel at the outlet 23b of the connection piece 23 are arranged parallel to one another. The height h of the wall 23c can be small, which is advantageous from the manufacturing standpoint. Between the outlet 20b and the inlet 23a there is a small gap a, which can be associated with a separating wall (not shown) for the sliver. The construction shown in Fig. 5 can be modified so that there is no gap a, but instead the outlet 24a is connected to the inlet opening 23a. In that case, a sliver separation means, for example mechanical, pneumatic or the like, can be associated with the guide element 24. The embodiment according to Fig. 6 corresponds substantially to the construction shown in Fig. 3. The region of the outlet 20b of the sliver channel 20 can be associated with a sliver separation means (not shown) for - 9 - the sliver. Sliver separation can be implemented, for example, pneumatically by means of compressed air which is passed through the wall surfaces of the outlet 20b (or the guide element 24 according to Fig. 5). The drafting system 26 shown in Fig. 2 can be used both for a draw frame, for example TC 03, and at the outlet of a carding machine according to Fig. 1 between delivery rollers 11, 12 and can coiler 19. In a draw frame, the drafting system 26 effects drafting of a sliver 27 consisting of a plurality of slivers to form a single drafting system sliver 37 and in a carding machine the single card sliver 14 that emerges from the delivery rollers 11, 12 and can be coiled in the can 15. - 9 - the sliver. Sliver separation can be implemented, for example, pneumatically by means of compressed air which is passed through the wall surfaces of the outlet 20b (or the guide element 24 according to Fig. 5). The drafting system 26 shown in Fig. 2 can be used both for a draw frame, for example TC 03, and at the outlet of a carding machine according to Fig. 1 between delivery rollers 11, 12 and can coiler 19. In a draw frame, the drafting system 26 effects drafting of a sliver 27 consisting of a plurality of slivers to form a single drafting system sliver 37 and in a carding machine the single card sliver 14 that emerges from the delivery rollers 11, 12 and can be coiled in the can 15. - 10 - Claims 1) Coiler plate for sliver-coiling devices, espe- cially of draw frames and carding machines, having a sliver channel with an inlet and an outlet for sliver and having a rotary plate, there being present on the underside of the rotary plate a cover which has a through opening, characterised in that a connection piece (23) having a through opening (23a, 23b) is formed with the cover (22) by shaping. 2) Coiler plate according to claim 1, characterised in that the connection piece and the opening are formed by non-cutting shaping. 3) Coiler plate according to claim 1 or 2, characterised in that the connection piece and the opening are formed by pressing. 4) Coiler plate according to any one of claims 1 to 3, characterised in that the connection piece and the opening are formed by deep-drawing. - 11 - 5) Coiler plate according to any one of claims 1 to 4, characterised in that the deep-drawing comprises pre-drawing and final drawing. 6) Coiler plate according to any one of claims 1 to 5, characterised in that the connection piece and the opening are formed by stamping. 7) Coiler plate according to any one of claims 1 to 6, characterised in that the connection piece and the opening are formed by flow-forming. 8) Coiler plate according to any one of claims 1 to 7, characterised in that the connection piece and the opening are formed by flow-drilling. 9) Coiler plate according to any one of claims 1 to 8, characterised in that the connection piece and the opening are formed by transfer moulding. 10) Coiler plate according to any one of claims 1 to 9, characterised in that the cover is pre- perforated. - 12 - 11) Coiler plate according to any one of claims 1 to 10, characterised in that the pre-perforated opening in the cover is introduced by cutting, for example laser cutting. 12) Coiler plate according to any one of claims 1 to 11, characterised in that the pre-perforated opening is approximately kidney-shaped. 13) Coiler plate according to any one of claims 1 to 12, characterised in that the pre-perforated opening is circular. 14) Coiler plate according to any one of claims 1 to 13, characterised in that the pre-perforated opening is approximately oval. 15) Coiler plate according to any one of claims 1 to 14, characterised in that the cover is heated before and/or during the shaping. 16) Coiler plate according to any one of claims 1 to 15, characterised in that the sliver channel consists of special steel. - 13 - 17) Coiler plate according to any one of claims 1 to 16, characterised in that the rotary plate consists of cast material, for example cast aluminium. 18) Coiler plate according to any one of claims 1 to 17, characterised in that the cover is formed from a wear-resistant material. 19) Coiler plate according to any one of claims 1 to 18, characterised in that the cover is formed from a low-friction material. 20) Coiler plate according to any one of claims 1 to • 19, characterised in that the cover consists of metal. 21) Coiler plate according to any one of claims 1 to 20, characterised in that the cover consists of special steel. 22) Coiler plate according to any one of claims 1 to 21, characterised in that the cover is in sheet- form. - 14 - 23) Coiler plate according to any one of claims 1 to 22, characterised in that the cover consists of a deformable plastics material. 24) Coiler plate according to any one of claims 1 to 23, characterised in that the plastics material is wear-resistant and low-friction. 25) Coiler plate according to any one of claims 1 to 24, characterised in that the plastics material is reinforced for wear-resistance. 26) Coiler plate according to any one of claims 1 to 25, characterised in that the surface of the cover in contact with the coiled fibre material is wear-resistant and low-friction. 27) Coiler plate according to any one of claims 1 to 26, characterised in that the opening in the cover is approximately kidney-shaped. 28) Coiler plate according to any one of claims 1 to 27, characterised in that the opening in the cover is substantially oval. - 15 - 29) Coiler plate according to any one of claims 1 to 28, characterised in that the cross-section of the connection piece is partly kidney-shaped. 30) Coiler plate according to any one of claims 1 to 29, characterised in that the cross-section of the connection piece in the inlet region conforms to the outlet cross-section of the sliver channel. 31) Coiler plate according to any one of claims 1 to 30, characterised in that the outlet cross- section of the sliver channel is substantially oval. 32) Coiler plate according to any one of claims 1 to 31, characterised in that the cross-section of the connection piece in the inlet region is substantially oval. 33) Coiler plate according to any one of claims 1 to 32, characterised in that the cross-section of the sliver channel outlet and the cross-section of the connection piece in the inlet region are substantially circular. - 16 - 34) Coiler plate according to any one of claims 1 to 33, characterised in that the connection piece is integrated into the cover. 35) Coiler plate according to any one of claims 1 to 34, characterised in that the kidney-shaped or oval opening is integrated into the cover. 36) Coiler plate according to any one of claims 1 to 35, characterised in that the connecting element (connection piece, passageway) for the outlet of the sliver channel is integrated into the cover. 37) Coiler plate according to any one of claims 1 to 36, characterised in that the outlet of the sliver channel is introducible into the upper region of the connection piece. 38) Coiler plate according to any one of claims 1 to 37, characterised in that the outlet of the sliver channel is pushable into the upper region of the connection piece. 39) Coiler plate according to any one of claims 1 to 38, characterised in that between the outlet of the sliver channel and the inlet region of the - 17 - connection piece there is a transfer tube, guide element or the like. 40) Coiler plate according to any one of claims 1 to 39, characterised in that the inlet cross- section of the connection piece is arranged parallel to the cover. 41) Coiler plate according to any one of claims 1 to 40, characterised in that the inlet cross- section of the connection piece and the cover are arranged at an angle to one another. 42) Coiler plate according to any one of claims 1 to 41, characterised in that the sliver outlet and the inlet region of the transfer tube, guide element or the like are joined to one another. 43) Coiler plate according to any one of claims 1 to 42, characterised in that the outlet region of the transfer tube, guide element or the like and the inlet of the connection piece are joined to one another. 44) Coiler plate according to any one of claims 1 to 43, characterised in that there is a space (gap) - 18 - between the outlet of the transfer tube, guide element or the like and the inlet of the connection piece. 45) Coiler plate according to any one of claims 1 to 44, characterised in that there is a seal between the outlet of the sliver channel and the connection piece. 46) Coiler plate according to any one of claims 1 to 45, characterised in that the seal is formed by silicone or the like. 47) Coiler plate according to any one of claims 1 to 46, characterised in that the seal is formed by an adhesive or the like. 48) Coiler plate according to any one of claims 1 to 47, characterised in that the outlet of the sliver channel and the upper inner region of the connection piece overlap one another. 49) Coiler plate according to any one of claims 1 to 48, characterised in that there is a spacer element or the like between the outlet of the - 19 - sliver channel and the upper inner region of the connection piece. 50) Coiler plate according to any one of claims 1 to 49, characterised in that sliver channels having outlets of different diameters are insertable into the connection piece. 51) Coiler plate according to any one of claims 1 to 50, characterised in that the sliver channel is joined to the connection piece. 52) Coiler plate according to any one of claims 1 to 51, characterised in that the sliver channel is joined directly to the connection piece. 53) Coiler plate according to any one of claims 1 to 52, characterised in that the sliver channel is joined to the connection piece by means of a connecting element, for example a connecting tube, transfer tube, guide element or the like. 54) Coiler plate according to any one of claims 1 to 53, characterised in that the outlet region of the sliver channel is associated with a sliver separation device. - 20 - 55) Coiler plate according to any one of claims 1 to 54, characterised in that the connecting tube, transfer tube, guide element or the like is associated with a sliver separation device. 56) Coiler plate according to any one of claims 1 to 55, characterised in that there is a sliver separation device between the outlet of the sliver channel and the inlet of the connection piece. - 21 - Abstract In a coiler plate for sliver-coiling devices, especially of draw frames and carding machines, having a sliver channel with an inlet and an outlet for sliver and having a rotary plate, there is present on the underside of the rotary plate a cover which has a through opening. In order to create a coiler plate in a simple manner, a connection piece having a through opening is formed integrally with the cover by deformation. |
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| Patent Number | 278096 | |||||||||
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| Indian Patent Application Number | 787/KOL/2005 | |||||||||
| PG Journal Number | 52/2016 | |||||||||
| Publication Date | 16-Dec-2016 | |||||||||
| Grant Date | 14-Dec-2016 | |||||||||
| Date of Filing | 29-Aug-2005 | |||||||||
| Name of Patentee | TRUTZSCHLER GMBH & CO. KG. | |||||||||
| Applicant Address | DUVENSTRASSE 82-92, D-41199 MONCHENGLADBACH, GERMANY | |||||||||
Inventors:
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| PCT International Classification Number | D01G99/00 D04H11/00 | |||||||||
| PCT International Application Number | N/A | |||||||||
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PCT Conventions:
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