EP0187068A1 - Verfahren und Vorrichtung zum Einlegen von Stiften auf einen Dorn - Google Patents

Verfahren und Vorrichtung zum Einlegen von Stiften auf einen Dorn Download PDF

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Publication number
EP0187068A1
EP0187068A1 EP85402310A EP85402310A EP0187068A1 EP 0187068 A1 EP0187068 A1 EP 0187068A1 EP 85402310 A EP85402310 A EP 85402310A EP 85402310 A EP85402310 A EP 85402310A EP 0187068 A1 EP0187068 A1 EP 0187068A1
Authority
EP
European Patent Office
Prior art keywords
rod
implantation
passage
mandrel
head
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
Application number
EP85402310A
Other languages
English (en)
French (fr)
Other versions
EP0187068B1 (de
Inventor
Nicolas Pradel
Alain Bruyere
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brochier SA
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Brochier SA
Commissariat a lEnergie Atomique CEA
J Brochier et Fils SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Brochier SA, Commissariat a lEnergie Atomique CEA, J Brochier et Fils SA filed Critical Brochier SA
Publication of EP0187068A1 publication Critical patent/EP0187068A1/de
Application granted granted Critical
Publication of EP0187068B1 publication Critical patent/EP0187068B1/de
Expired legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/07—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments otherwise than in a plane, e.g. in a tubular way
    • D04H3/073—Hollow cylinder shaped
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/115—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by applying or inserting filamentary binding elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53313—Means to interrelatedly feed plural work parts from plural sources without manual intervention
    • Y10T29/53383—Means to interrelatedly feed plural work parts from plural sources without manual intervention and means to fasten work parts together
    • Y10T29/53396—Means to interrelatedly feed plural work parts from plural sources without manual intervention and means to fasten work parts together by friction fit

Definitions

  • the present invention relates to a method of implanting rods on a support mandrel made of a material capable of receiving rods by direct implantation by pressure, as well as to a device for carrying out this method.
  • the mandrel is made, at least on its peripheral part, of a rigid foam such as a phenolic foam or a polyurethane foam.
  • the rods are generally made of prepolymerized fibrous elements.
  • the subject of the present invention is precisely a method and a device for implanting rods which do not have the drawbacks of the prior art and which in particular make it possible to implant rods of great length in any direction and without intermediate storage.
  • a method of implanting rods on a support mandrel made of a material capable of receiving rods by direct implantation consisting in implanting rods in the mandrel, characterized in that each rod is implanted after having brought a rod in the form of a continuous wire to a waiting position, then cutting this rod to the desired length.
  • the rod is cut while maintaining the adjacent end of the uncut rod.
  • the invention also relates to a device for implanting rods on a support mandrel made of a material capable of receiving rods by direct implantation, comprising a frame supporting an implantation head comprising at least one passage adapted to receive a rod , at least one implantation rod which can be aligned with said passage, and means for moving said rod parallel to itself in both directions, characterized in that the frame also supports means for cutting the rod when it is in said passage and means for moving said head between a feeding and cutting position in which the rod can be cut by said cutting means and an implantation position in which said passage is aligned with the implantation rod.
  • the frame In order to define the waiting position of the rod, the frame preferably supports a stop located in the extension of said passage when the head is in the feeding and cutting position.
  • the frame also supports gripping means capable of holding the end of the uncut rod adjacent to said cutting means.
  • means may be provided for moving the cutting means parallel to said passage relative to the frame.
  • the head preferably supports at least one punch parallel to said passage and means for urging the punch towards a retracted position, said means for moving the implantation rod acting simultaneously on the punch in the direction corresponding to the implantation of the rod, in order to achieve a perforation in the mandrel, when said head is in the implantation position.
  • the implantation device further comprises means for introducing the continuous rod step by step into said passage.
  • the device according to the invention mainly comprises an assembly 74 making it possible to cut a rod J constituted by a continuous wire, to radially implant the cut rods J 'in the mandrel M and to carry out in this one of the previous perforations P.
  • the implantation device further comprises an assembly 75 used to feed the assembly 74 step by step from a coil 76 on which the continuous rod J is wound.
  • the assembly 75 comprises two pulleys 77, 78 between which the rod J passes.
  • the drive thereof is carried out by the rotation of the pulley 78 controlled by a stepping motor 79 by means of a belt 80 .
  • the power supply and the implantation are done horizontally.
  • any other orientation of the device can be envisaged, without any modification thereof.
  • the assemblies 74 and 75, as well as the coil 76 are supported by a single table 81.
  • the rod installation assembly 74 firstly comprises a frame 82 fixed to the table 8 1 .
  • This frame 82 supports a plate 86 in a sliding manner in a direction Y parallel to the direction of arrival of the rod J, that is to say radial relative to the mandrel M, by means of two columns 84.
  • the adjustment the position of the plate 86 on the columns 84 makes it possible to vary the length of the implanted rods.
  • the plate 86 has a horizontal hole 88 into which is inserted the ring J not cut.
  • the insertion of the rod J into the hole 88 is carried out step by step from the coil 76 using the supply assembly 75 (FIG. 1).
  • the hole 88 is extended by a slot 90 formed in a female jaw 92 secured to the plate 86.
  • a movable male jaw 94 is mounted in the plate 86 so as to be able to move perpendicular to the rod J, that is to say in the case of FIG. 4 parallel to the axis of the mandrel, under the action of a jack 96.
  • the jaws 92 and 94 thus form a gripping pliers making it possible to maintain the end of the uncut ring J when cutting a segment J ′ thereof.
  • the jaws 92 and 94 of the pliers are placed slightly back with respect to a diamond-shaped grinding wheel 98 in the form of a disc arranged perpendicular to the rod J.
  • the horizontal axis 98a of the grinding wheel 98 is mounted so as to rotate in a grinding wheel support 100 supported by the plate 86.
  • the support 100 is slidably mounted on the plate 86 by means of guide columns 102
  • Tension springs 104 are hooked on the support 100 and on the plate 86 in order to bring the grinding wheel 98 in a position such that the latter is not situated in the extension of the hole 88 and of the slot 90. This position d waiting is shown in Figures 2 and 4.
  • the movement of the grinding wheel against the action of the springs 104 in order to control the cutting of the rod J is carried out by means of a jack 106 interposed between the plate 86 and the support 100.
  • the rotation of the grinding wheel 98 is controlled in turn by a motor 108 mounted on the plate 86 and causing the axis 98a of the grinding wheel to rotate by means of a system of pulleys and belt 110 placed substantially perpendicular to the direction of movement of the support 100, so that the belt remains constantly in contact with the pulleys.
  • the frame 82 has an extension 82a which extends towards the mandrel.
  • This extension 82a supports at its end an implantation head 110 intended to be placed in the immediate vicinity of the mandrel M.
  • the head 110 has an extension 110a which extends radially outwards relative to the mandrel as close to the grinding wheel 98, in order to guide the rod J inside a groove 110b forming a passage which can be placed in the extension of the hole 88.
  • the implantation head 1 1 0 is mounted at the end of the extension 82a so as to be able to move attematively up or down perpendicular to the horizontal path of the rod J.
  • the head 110 is mounted sliding on columns 112 integral with the extension 82a of the frame.
  • the movement of the head 1 10 along the columns 1 12 is controlled by means of a jack 114 interposed between the extension 82a and the head 110.
  • This vertical movement of the head 110 is intended to bring the latter alternately in a feeding and cutting position in which the groove 110b is placed in the extension of the hole 88 through which the rod J arrives (in solid lines in FIG. 2) and an installation position located above the position of loading (in phantom in Figure 2).
  • a removable tongue 119 is fixed on the extension 82a of the frame, between the stop 116 and the grinding wheel 98, the end of which closes the groove 110b when the head 110 is located in the position loading shown in solid line in Figure 2.
  • the rod J is then stopped by the tongue 119 when it is introduced into the groove.
  • the shape of the tongue straight or S-shaped, determines the length of the rod cut by the grinding wheel 98.
  • the open side of the groove 110b is normally closed by a door 120 ( Figures 2 and 4), so as to constitute a passage for the rod.
  • This door 120 is mounted on the head 110 so that it can slide in the horizontal plane perpendicular to the direction of the rod J, under the action of a piston 122.
  • a spring 124 normally maintains the door in its position ensuring the closing of the groove 110b, the implementation of the piston 122 having the function of allowing the rotation of the mandrel after the implantation of a rod J '.
  • a stirrup 126 secured either to the frame 82 or to the head 110 enables the door 120 to be permanently pressed against the latter at the level of the groove 110b.
  • the plate 86 also supports in a sliding manner, approximately above the jaws 92 and 94 of the gripping system and of the cutting assembly of the rod associated with it, a plate support 128. This plate moves parallel to the radial direction defined by the rod J on columns 130 fixed to the plate 86, under the action of a jack 132 also mounted on the plate.
  • the plate 128 firstly supports a push rod 134 which is located in the extension of the groove 110b formed in the head 110, when the latter is in the high position of implantation. Since, in this position, the stop 116 is no longer in front of the end of the groove 110b closest to the mandrel, it is understood that the implementation of the jack 132 introduces the push rod 134 in the groove 110b, which has the effect of implanting in the mandrel M the cut rod J 'which is in the groove over a length slightly less than this displacement
  • the end of the push rod 134 passes through a guide 136 which slides on one of the columns 130 and itself supports a parallel column 138 slidably received in the support plate 128.
  • the plate 128 also supports a pre-hole control rod 140, also arranged parallel to the radial direction defined by the rod J.
  • a pre-hole control rod 140 When the head 110 is in its upper position of implantation, the end of the pre-hole control rod 140 is supported on an anvil 142 slidably mounted in the head 110.
  • the anvil 142 is integral with a punch holder plate 144 supporting a punch 146.
  • This punch 146 also disposed in the radial direction defined by the rod J, crosses the end of the head 110, so that its end normally flush with the end face of the implantation head when it is in the retracted position.
  • the assembly constituted by the anvil 142, the plate 144 and the punch 146 moves inside the head 110 parallel to the direction defined by the rod J on posts 148.
  • the implementation of the cylinder 132 allows, by faction of the rod 40 on the anvil 142, to insert the punch 146 in the mandrel, at the same time where a rod J 'previously cut is pressed by the rod 134 in a perforation P made beforehand in the mandrel by the punch 146.
  • a perforation is thus carried out simultaneously in the mandrel and the implantation of a cut-off rod in a perforation previously carried out.
  • a return piston 150 is interposed between the head 110 and the plate 14 4 opposite the anvil 142.
  • the implantation device which has just been described operates sequentially, in synchronism with the motors controlling the relative movement step by step between the mandrel M and this device.
  • this relative displacement it can in particular be achieved by the combination of a step-by-step rotation of the mandrel with a step-by-step movement of the implantation device parallel to the adjacent generator of the mandrel.
  • the operation of the implantation device is as follows.
  • the implantation head 110 being in the feeding and cutting position, the clamp formed by the jaws 92 and 94 open, the jacks 106, 122 and 132 in the retracted position and the piston 150 actuated, it is introduced using the assembly 75 the rod J not cut in the groove 110b, until its end comes to bear on the stop 116.
  • the gripper of the end of the uncut rod J adjacent to the grinding wheel 98 is then tightened under the action of the jack 96.
  • the head 110 is then brought into the implantation position by the jack 114.
  • the end of the groove 110b is therefore no longer closed by the stop 116.
  • the implementation of the jack 132 has the effect of simultaneously ensuring the production of a perforation P in the mandrel and the insertion of the rod J 'which has just been cut in a perforation made beforehand.
  • the jack 132 and the jack 150 then return the push rod 134 and the punch 146 to the retracted position.
  • the head 110 After an implementation of the piston 122 to release the rod J 'which has just been implanted, the head 110 returns to its feeding and cutting position under the action of the jack 114 and the door 120 is immediately closed.
  • the end of the rod J is then released by opening the clamp formed by the jaws 92 and 94, so that we are in the initial position.
  • the relative movements between the implantation device and the mandrel can then be controlled to advance by one step, before the same succession of operations begins again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Prostheses (AREA)
  • Wire Processing (AREA)
EP85402310A 1984-12-11 1985-11-26 Verfahren und Vorrichtung zum Einlegen von Stiften auf einen Dorn Expired EP0187068B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8418898A FR2574386B1 (fr) 1984-12-11 1984-12-11 Procede et dispositif d'implantation de joncs sur un mandrin
FR8418898 1984-12-11

Publications (2)

Publication Number Publication Date
EP0187068A1 true EP0187068A1 (de) 1986-07-09
EP0187068B1 EP0187068B1 (de) 1989-01-25

Family

ID=9310463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85402310A Expired EP0187068B1 (de) 1984-12-11 1985-11-26 Verfahren und Vorrichtung zum Einlegen von Stiften auf einen Dorn

Country Status (6)

Country Link
US (1) US4730387A (de)
EP (1) EP0187068B1 (de)
JP (1) JPS61142016A (de)
CA (1) CA1277823C (de)
DE (1) DE3567917D1 (de)
FR (1) FR2574386B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0216695A1 (de) * 1985-09-18 1987-04-01 Commissariat A L'energie Atomique Verfahren und Maschine zur Herstellung von Rotationshohlkörpern aus in drei verschiedenen Richtungen verlaufenden Gespinstfasern

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2408676A1 (fr) * 1977-09-23 1979-06-08 Commissariat Energie Atomique Procede et dispositif de fabrication de pieces ou corps en materiau tridimensionnel
FR2509706A1 (fr) * 1981-07-16 1983-01-21 Commissariat Energie Atomique Procede d'implantation de picots sur un mandrin et machine pour la mise en oeuvre de ce procede

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5428583B2 (de) * 1973-08-21 1979-09-18
US3977069A (en) * 1974-12-18 1976-08-31 Brunswick Corporation Process and apparatus for production of precision cut lengths of metal wires and fibers
FR2489721B1 (fr) * 1979-09-07 1985-07-26 Cross Mfg Co Procede de chemisage d'alesages cylindriques et alesages obtenus par ce procede

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2408676A1 (fr) * 1977-09-23 1979-06-08 Commissariat Energie Atomique Procede et dispositif de fabrication de pieces ou corps en materiau tridimensionnel
FR2509706A1 (fr) * 1981-07-16 1983-01-21 Commissariat Energie Atomique Procede d'implantation de picots sur un mandrin et machine pour la mise en oeuvre de ce procede

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0216695A1 (de) * 1985-09-18 1987-04-01 Commissariat A L'energie Atomique Verfahren und Maschine zur Herstellung von Rotationshohlkörpern aus in drei verschiedenen Richtungen verlaufenden Gespinstfasern

Also Published As

Publication number Publication date
FR2574386B1 (fr) 1986-12-26
JPS61142016A (ja) 1986-06-28
CA1277823C (en) 1990-12-18
DE3567917D1 (en) 1989-03-02
US4730387A (en) 1988-03-15
FR2574386A1 (fr) 1986-06-13
EP0187068B1 (de) 1989-01-25

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