EP1154053A2 - Barrette de gills a chaines - Google Patents
Barrette de gills a chaines Download PDFInfo
- Publication number
- EP1154053A2 EP1154053A2 EP01401036A EP01401036A EP1154053A2 EP 1154053 A2 EP1154053 A2 EP 1154053A2 EP 01401036 A EP01401036 A EP 01401036A EP 01401036 A EP01401036 A EP 01401036A EP 1154053 A2 EP1154053 A2 EP 1154053A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- bore
- socket
- bar according
- slot
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/02—Gill boxes or other drafting machines employing fallers or like pinned bars
- D01H5/12—Details
- D01H5/14—Pinned bars
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/02—Gill boxes or other drafting machines employing fallers or like pinned bars
- D01H5/08—Gill boxes or other drafting machines employing fallers or like pinned bars with bars connected by links, chains, or the like
Definitions
- the present invention relates to devices for drawing textile fiber ribbons and, more specifically, bars of chain gills.
- the socket 19a has wings 30a projecting from the slot 18a when it is in place in the bore 17a. These wings 30a allow the socket 19a to be pinched at using a tool to bring the wings together the other and to authorize its installation in the bore 17a.
- the material of the socket 19a being elastic, the latter has tendency to return to its original shape and the wings 30a are thus brought into contact with the walls of the slot 18a.
- the socket 19a For mount the bar on the chains, the socket 19a must be positioned inside the bore 17a so that that it emerges from it to be able to style sufficiently the axis 13a of the chain and that it comes in contact with the heel 7a of the next bar.
- a split ring 20a is placed, itself of elastic material, straddling the socket 19a opposite the notches in the wings 30a of the socket 19a because the pressure exerted by the wings 30a of the socket against the walls of the slot 18a is not sufficient to keep the longitudinal position of the socket 19a in bore 17a.
- To mount the split ring 20a we move aside the wings (using a screwdriver for example) so that clip it onto the socket 19a.
- the split ring 20a guarantees, by abutment against edges of the bore, that the sleeve 19a is partly projection of bore 17a, from a distance slightly less than the distance between the face of which opens the bore and heel 7a of the next bar, the bars being arranged alternately in one direction and in the other.
- the clearance thus created between the sleeve and the heel allows this one to move slightly longitudinally and turn relative to the A axis without wear by friction of the sleeve on the heel.
- the socket is in the position necessary for the machine to work properly and this position is guaranteed by the cooperation of the ring 20a split with the wings.
- the assembly operation is carried out in two steps: placing the bushing in the bore (and its longitudinal pre-positioning in the bore) and then the installation of the split ring over the socket.
- This second step is particularly delicate and laborious. It requires a good dexterity of the operator who sometimes does not succeed the operation on the first try and lose the split rings.
- the socket is not maintained well enough inside the bore and it's subject to small axial displacements.
- the radial clearance between the outside surface of the sleeve and the wall of the bore causes the formation of a deposit by oxidation of material, which is conventionally called contact oxidation, which little by little fixes the bush to the walls of the bore and prevents its extraction.
- the present invention proposes to remedy these disadvantages in particular by removing the second stage of mounting, and preventing the formation of contact rust.
- the ring which cooperated with the first positioning element, wings of the socket, was a mobile insert that is easy to lose. By integrating it with the end part, we simplify the installation of the socket and its positioning.
- the bore has a circular cross section and the sleeve is elastic, split and the straight section of the sleeve is made up a basic section and two curved return sections, the radii of curvature of the return sections being lower than that of the base section.
- the second positioning element is in one piece with the end part.
- the second positioning element is integrated into the part end and consists of a shoulder.
- the slot is supported by so that a section of the slot on the side of the part main is less than the width of the rest from the slot.
- the width of the slot is always less than the distance between the two faces outside of the wings of the socket when this socket is not subject to any constraints.
- the second positioning element is integrated into the part end and consists of a groove made at the inside of the bore in cooperation with a rod elastic mounted around the sleeve.
- the second positioning element consists of a slide, especially bayonet.
- Each bar has a body having a part main 1 on the upper part of the hands 2 and an end portion 3 formed so as to define a bore 4 which opens to the outside through a slot longitudinal upper and whose lips go up the extremity of the body.
- the other end of the bar has a heel intended to cooperate with the bar neighbor.
- the bars have been truncated in their middle. In fact they extend to the left of the drawing towards another symmetrical chain of chain C by having a configuration on the left which corresponds to the configuration right of a neighboring bar.
- a pseudo-circular cylindrical elastic sleeve 5 split longitudinally between two wings 6 is intended to penetrate into the bore 4 while the wings 6 come out of it through the slit.
- the two wings 6 are from the elastic sleeve 5.
- the outside diameter of the socket is equal to diameter of the bore in the end part of the bar and the inside diameter of the socket is slightly greater than the diameter of the axis with which it must cooperate when it is placed on the machine.
- This socket 5 has, when it is not subject to any constraint, a higher dimension, to know a higher outside and inside pseudo-diameter respectively to the diameter of bore 4 and axis A.
- the socket has, when is unconstrained, a cylindrical shape pseudo-circular, that is to say that the cross section of the socket is not perfectly circular and its pseudo-diameters exterior and interior are respectively greater than the internal diameter of the bore and the axis, so that when the socket is inserted into its bore and the bar is mounted on the machine, one apart the outer surface of the socket comes perfectly in contact with the wall of the bore in order to avoid contact oxidation formation, and on the other hand that the socket has, on the side near the axis A, a section straight circular shape with an inside diameter slightly greater than the diameter of the axis to allow the rotation of axis A inside the bush. So the socket is perfectly maintained inside the bore and allows the rotation of axis A.
- the straight section of the elastic sleeve 5 pseudo-circular is constituted, as seen in the Figure 6, a basic section 20, straight, or slightly curved at both ends from which two sections come 21, 22 curved, with radii of curvature smaller than that of section 20.
- the elastic sleeve 5 is made of a material metallic, especially steel.
- the two wings have dimensions such that they protrude from the body of the bar through the slot when the socket is in place in the bar so that be able to be handled manually, using pliers for example, in order to bring the wings closer to each other to assemble or disassemble the socket.
- the slot comprises a shoulder 7 which narrows the distance between the lips of the side of main part 1.
- the shoulder 7 constitutes the axial stop for the lateral edge of the sleeve away from axis A to position the sleeve out of the bore.
- the socket is in particular positioned out of the bore of a distance slightly less than the distance between the face the end part from which the bore opens and the heel of the next bar. The game, small, thus created allows the bar to move slightly in the longitudinal direction and rotate relative to axis A without causing wear on the heel or the sleeve.
- the socket associated with the bar represented in the middle does not cover its axis A but is engaged in bore 4 to the bottom thereof. This operation is made possible by bringing one of the other the free ends of the wings 6, so that cross shoulder 7. We can thus stop the contact of the bar with axis A.
- the socket 5 is applied to its axis A.
- the socket 5 shown in the middle which projects laterally of the bore 4, is positioned axially by the shoulder 7 against which abuts at least one of the wings 6 of the sleeve 5.
- This embodiment makes it possible to obtain a very significant reduction (around 50%) of the time necessary to assemble and disassemble the many bars of a machine.
- the socket is simpler and more economical to manufacture because it no longer has notches intended for position the split rings.
- the socket is consisting of a cylinder 8, one end of which has a bore 9 provided to receive the axis A of the chain C and of which the other end has a shoulder 15.
- the cylinder 8 includes a means for maintaining the bar in the bore such as for example one or more 10 elastic bands.
- the elastic ring 10 thus opposes the inadvertent movement of the sleeve inside the bore by the pressure exerted by the ring against the sides of a groove 19 made in the inner wall of the bore and participates in the positioning of the sleeve outside of it.
- the rod 10 snaps into the groove.
- the socket is consisting of a circular cylinder 11, one end of which has a bore 12 intended to receive the axis A of the chain C and the other end of which cooperates with a spring 13 compression which is based on the bottom of the bore 4 of so as to exert a force tending to release the cylinder 11 of bore 4 of the bar.
- This slide 16 can advantageously have bayonet type (see Figure 5) predetermining two extreme axial positions of the sleeve inside the bore, i.e. a first position in which the sleeve emerges from the bore of a distance necessary to cover the A axis sufficiently and a second position in which the socket is fully retracted into the bore.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Earth Drilling (AREA)
- Outside Dividers And Delivering Mechanisms For Harvesters (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
- d'un corps ayant une partie principale et une partie d'extrémité qui définit un alésage,
- d'une douille destinée à être insérée dans l'alésage et destinée à recevoir un axe A issu de la chaíne, et
- de moyens de positionnement de la douille à l'intérieur de l'alésage, ces moyens de positionnement étant constitués d'un premier élément de positionnement disposé sur la douille et d'un second élément de positionnement coopérant avec le premier élément,
Claims (9)
- Barrette de gills à chaínes formée :d'un corps ayant une partie (1) principale et une partie (3) d'extrémité qui définit un alésage (4),d'une douille destinée à pénétrer dans l'alésage et à recevoir un axe (A) issu d'une chaíne de gills, etdes moyens de positionnement de la douille à l'intérieur de l'alésage, constitués d'un premier élément de positionnement disposé sur la douille et d'un second élément (7) de positionnement coopérant avec le premier élément,
- Barrette suivant la revendication 1, caractérisée en ce que l'alésage a une section droite circulaire et la douille (5) est élastique, fendue et sa section droite est constituée d'un tronçon (20) de base et de deux tronçons de retour (21, 22) incurvés, les rayons de courbures des deux tronçons (21, 22) étant inférieurs à celui du tronçon (20) de base.
- Barrette suivant la revendication 1 ou 2, caractérisé en ce que le second élément (7) de positionnement est d'une pièce avec la partie (3) d'extrémité.
- Barrette suivant l'une des revendications 1 à 3, caractérisé en ce que le second élément de positionnement est intégré à la partie d'extrémité et est constitué d'un épaulement, notamment dans le cas où l'alésage débouche axialement à l'extérieur par une fente longitudinale dont les lèvres vont jusqu'à l'extrémité du corps et la douille est fendue longitudinalement entre deux ailes longitudinales issues de la douille et destinées à sortir par la fente lorsque la douille pénètre dans l'alésage, la fente est épaulée de manière à ce qu'un tronçon de la fente du côté de la partie principale ait une largeur inférieure à la largeur du reste de la fente.
- Barrette suivant l'une des revendications 1 à 4, caractérisé en ce que le second élément de positionnement est constitué d'une coulisse (16), notamment de type à baïonnette.
- Barrette suivant l'une des revendications 1 à 5, caractérisé en ce que le second élément est constitué d'une saignée (19) réalisée dans la paroi de l'alésage, dans laquelle pénètre, avec encliquetage, un jonc (10) élastique disposé sur la douille, de préférence autour de celle-ci.
- Barrette suivant la revendication 2, caractérisée en ce qu'une aile est issue de chacun des deux bords des deux tronçons de retour.
- Dispositif d'étirage ou gills pour rubans de fibres textiles comportant des chaínes (C) d'entraínement comportant au moins un axe (A) et au moins une barrette suivant l'une des revendications 1 à 7.
- Douille destinée à coopérer avec l'alésage d'une barrette suivant l'une des revendications 2 à 7.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0005849 | 2000-05-09 | ||
FR0005849A FR2808811B1 (fr) | 2000-05-09 | 2000-05-09 | Barrette de gills a chaines |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1154053A2 true EP1154053A2 (fr) | 2001-11-14 |
EP1154053A3 EP1154053A3 (fr) | 2002-09-04 |
EP1154053B1 EP1154053B1 (fr) | 2004-04-07 |
Family
ID=8849994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20010401036 Expired - Lifetime EP1154053B1 (fr) | 2000-05-09 | 2001-04-24 | Barrette de gills a chaines |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1154053B1 (fr) |
DE (1) | DE60102617T2 (fr) |
ES (1) | ES2217098T3 (fr) |
FR (1) | FR2808811B1 (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1146966A (fr) * | 1956-04-19 | 1957-11-18 | Spinnerei Karl Marx Veb | Banc d'étirage à aiguilles comportant des barrettes à aiguilles montées sur des chaînes sans fin |
US3735450A (en) * | 1971-06-29 | 1973-05-29 | Schlumberger & Cie | Device for fastening the ends of tubes which support elements for processing textile fibers |
EP0409699A1 (fr) * | 1989-07-21 | 1991-01-23 | N. SCHLUMBERGER & CIE | Dispositif d'étirage pour rubans de fibres textiles |
-
2000
- 2000-05-09 FR FR0005849A patent/FR2808811B1/fr not_active Expired - Fee Related
-
2001
- 2001-04-24 DE DE2001602617 patent/DE60102617T2/de not_active Expired - Fee Related
- 2001-04-24 EP EP20010401036 patent/EP1154053B1/fr not_active Expired - Lifetime
- 2001-04-24 ES ES01401036T patent/ES2217098T3/es not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1146966A (fr) * | 1956-04-19 | 1957-11-18 | Spinnerei Karl Marx Veb | Banc d'étirage à aiguilles comportant des barrettes à aiguilles montées sur des chaînes sans fin |
US3735450A (en) * | 1971-06-29 | 1973-05-29 | Schlumberger & Cie | Device for fastening the ends of tubes which support elements for processing textile fibers |
EP0409699A1 (fr) * | 1989-07-21 | 1991-01-23 | N. SCHLUMBERGER & CIE | Dispositif d'étirage pour rubans de fibres textiles |
Also Published As
Publication number | Publication date |
---|---|
EP1154053A3 (fr) | 2002-09-04 |
DE60102617D1 (de) | 2004-05-13 |
ES2217098T3 (es) | 2004-11-01 |
EP1154053B1 (fr) | 2004-04-07 |
FR2808811A1 (fr) | 2001-11-16 |
FR2808811B1 (fr) | 2002-08-23 |
DE60102617T2 (de) | 2005-03-31 |
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