EP3514270A1 - Dispositif d'entraînement pour un mécanisme de pinçage d'une machine de peignage - Google Patents

Dispositif d'entraînement pour un mécanisme de pinçage d'une machine de peignage Download PDF

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Publication number
EP3514270A1
EP3514270A1 EP19150678.1A EP19150678A EP3514270A1 EP 3514270 A1 EP3514270 A1 EP 3514270A1 EP 19150678 A EP19150678 A EP 19150678A EP 3514270 A1 EP3514270 A1 EP 3514270A1
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EP
European Patent Office
Prior art keywords
cam
nipper
upper nipper
shaft
roller
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.)
Pending
Application number
EP19150678.1A
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German (de)
English (en)
Inventor
Daniel Bommer
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP3514270A1 publication Critical patent/EP3514270A1/fr
Pending legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/14—Drawing-off and delivery apparatus
    • D01G19/16—Nipper mechanisms
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/26—Driving arrangements

Definitions

  • the present invention relates to a drive device for a nipper unit of a comber, with a driven forceps shaft for the reciprocation of a nipper unit and a top nipper shaft for opening and closing the upper nipper.
  • each nipper unit which has a lower nipper plate and an upper nipple rotatably mounted thereon, presents a tuft of a tuft to a round comb arranged beneath the nipper unit for combing out.
  • a Kämmspiels the nipper unit moves from a rearward open position to a front closed position, during this reciprocation of the nipper unit opens and closes the upper nipper, wherein in the closed state of the nipper unit, the lower nipper with the upper nipper forms a clamping point while a hanging tuft presents a combing segment of the circular comb.
  • the nipper unit opens, in which the upper nipper lifts off from the lower nipper plate and the combed tuft is fed via a rotatably mounted in the nipper unit feed cylinder a downstream Abreisswalzencru for soldering the combed fiber slivers.
  • the combed slivers formed at the individual combing points are then transferred on a conveyor table side by side to a subsequent drafting system in which they are stretched and then combined to form a common combing machine belt.
  • the sliver produced at the drafting system is then placed on a funnel wheel in a pot.
  • the position of the nipper unit and the pivot position of the upper nipper is important, since in this way the hanging tuft defines the time of reaching the clamping action.
  • the drive device for a nipper unit of a comber known.
  • the drive device has a tongs axis for a reciprocating movement of the nipper unit and an upper nipper shaft for opening and closing the upper nipper.
  • On the upper tongs shaft rotatably seated an upper nipper rocker arm with two rotatably mounted upper nipper cam rollers, which cooperate with two on an upper nipper auxiliary shaft rotatably mounted upper nipper cams.
  • the upper tongs shaft is disposed axially parallel to the upper tongs auxiliary shaft and thus allows the interaction of the upper nipper cam rollers with the upper nipper cams, wherein the upper nipper auxiliary shaft is connected to a separate upper nipper drive motor.
  • the aim of this device is a gentle closing of the upper nipper against the lower forceps plate.
  • a further disadvantage of the known drive device for the upper nipper of the combing machine is that the upper nipper auxiliary shaft must be arranged with the upper nipper cams very close to the upper nipper shaft, so that the upper nipper cams can cooperate with the arranged on the upper nipper shaft upper nipper cam rollers , Accordingly, the upper nipper cams must be formed with such a large diameter of about 200 mm, so that a deflection angle for opening and closing the upper nipper is sufficient.
  • a cam arrangement is designed such that a maximum deflection angle of +/- 15 ° is adjustable.
  • Object of the present invention is thus to provide a drive device for a nipper unit of a combing machine, which adjusts the position of the reciprocating motion of the nipper unit synchronously to open and close the upper nipper.
  • Proposed is a drive device for a nipper unit of a comber, with a driven tong axis for the reciprocation of a Nipper unit and an upper nipper shaft for opening and closing the upper nipper.
  • a pliers auxiliary shaft is provided, on which at least one upper nipper cam and at least one nipper cam rotatably disposed, wherein for opening and closing the upper nipper, the upper nipper cam with a caliper cam follower and regardless of the reciprocating motion of Zangenaggregates the pliers cam interacts with a pliers cam roller.
  • the upper nipper shaft is provided with an eccentric to increase the deflection of the movement of the upper nipper.
  • the forceps auxiliary shaft has the advantage that the forceps movement and the upper forceps movement are coupled to each other via a drive train, but the forceps cams and the upper nipper cams are designed so that independently different motion profiles are adjustable.
  • the upper nipper can be opened when the lower nipper is in the rear position and the upper nipper can form a clamping point with the lower nipper, when the nipper unit is in the forward position, where a tuft sticks out of the nip of the nipper and combed out in a known manner by a circular comb.
  • the upper nipper cam follower is connected via a four-joint to a top nipper shaft.
  • the four-joint has the advantageous effect that the deflection angle of the upper nipper cam can be extended so that even with very small cams and a corresponding eccentric meaningful opening and closing of the upper nipper is possible.
  • the four-joint is formed by the upper nipper cam roller is held by a top caliper rocker arm and is connected via a coupling rod in conjunction with an upper nipper shaft clamp with the upper nipper shaft.
  • the upper nipper rocker arm and the upper nipper shaft clamp are pivotally connected via a screw to the coupling rod.
  • the screw connection a very quick assembly and disassembly of the four-joint.
  • an element of the coupling rod can be replaced on the spot very quickly.
  • the four-joint reinforced an outer angle for the opening and closing of the upper nipper in a ratio of 1: 2, preferably up to an outer angle of +/- 30 °. Accordingly, with the four-joint in a very simple and cost-effective manner, the extension of the deflection angle of the upper nipper at a certain distance to the upper nipper cam in conjunction with the upper nipper cam follower possible. As a result, comparatively small top calipers can be used since the four-joint enlargement is 1: 2, i. for a deflection angle up to +/- 30 °.
  • the upper nipper cam in conjunction with the upper nipper cam follower may be spaced from the upper nipper shaft, and these elements need not be adjacent to one another as in the prior art.
  • first upper nipper cam and a second upper nipper cam are preferably arranged on the nipper auxiliary shaft independently of the at least one nipper cam, so that the first nipper cam follower and a second upper nipper cam follower are each rotatably mounted on the top nipper rocker arm such that the first top caliper cam interacts with the first top caliper cam roller and the second top caliper cam cooperates with the second top caliper cam roller, whereby the second top caliper cam roller prevents the first top caliper cam roller from lifting off the first top caliper cam ,
  • the first pliers cam and a second pliers cam are rotatably disposed on the pliers auxiliary shaft regardless of the at least one upper nipper cam, wherein the first nipper cam follower and a second nipper cam follower rotatably on the nipper rocker arm such that the first caliper cam interacts with the first caliper cam roller and the second caliper cam interacts with the second caliper cam roller, whereby the second caliper cam roller prevents the first caliper cam roller from interfering with the first caliper cam follower. Cam lifts off.
  • a single upper-nosed cam disk is also non-rotatably arranged independently of the at least one nipper cam disk, which cooperates with a single upper nipper cam follower rotatably mounted on the upper nipper rocker arm, wherein a spring element is provided on the upper nipper rocker arm between a machine frame and the upper nipper rocker lever cooperates such that the single upper nipper cam follower does not lift off the single upper nipper cam.
  • a single pliers cam is rotatably arranged on the pliers auxiliary shaft independent of the at least one upper nipper cam, which cooperates with a rotatably mounted on the pliers rocker arm single pliers cam roller, wherein on the pliers rocker arm, a spring element is provided which cooperates between a machine frame and the pincer rocker arm such that the single pincer cam does not lift off the single pincer cam.
  • the invention relates to a combing machine with a drive device for a nipper unit in conjunction with an upper nipper.
  • FIG. 1 schematically shows a cross section of a Kämmstelle 2 of a combing machine 4.
  • each Kämmstelle 2 consists of a nipper unit 10 (short: pliers called), which performs a reciprocating motion of the forceps 10 via front wings 12 and rear wings 14.
  • the front wings 12 (only one shown) are rotatably mounted on a circular comb shaft 16 and a front tongs axis 18 of the forceps 10.
  • the rear swing arm 14, which is rotatably mounted on a rear tong axis 20 of the forceps 10, is rotatably connected to a driven forceps shaft 22.
  • the cotton wool 26 is unwound from a cotton roll, not shown, which rests on winding rollers, also not shown for the rolling process.
  • the pliers 10 is opened, that is, a collet 11 is pivotally mounted relative to a lower jaw 13 via a upper jaw pin 25 and thus lifted from the lower jaw 13 and the forceps 10 is in a forward position, in which the out of the forceps 10 tuft 28 is attached to a fiber end 30 of an already formed nonwoven fabric 32 and soldered thereto.
  • the fiber fleece 32 is held by a pair of Abreisswalzen 34, which perform a rotational movement indicated by the arrows for the soldering and tearing off and thus the nonwoven fabric 32, and the fiber end 30 moves in the transport direction T.
  • a combing segment 36 In a rear, not shown, end position of the forceps 10, this is closed, wherein the tuft 10 projecting from the tongs 10 is combed out by a combing segment 36, or by a combing set of a rotatably mounted circular comb 38.
  • the combing segment 36 is in an upper position during the combing process.
  • the combing segment 36 is usually provided with Garniturzähnen which engage during the combing process in the tuft 28.
  • the circular comb 38 which is rotatably supported by the circular comb shaft 16 in the machine frame, is located within a substantially closed suction duct 40, which opens into a channel 42.
  • the channel 42 is, as shown schematically, in communication with a vacuum source 44, by means of which the separated material is fed to a collection point, not shown.
  • the separated material is short fibers, shell parts, and other contaminants, which are combed out of the tuft 28 by the combing segment 36 during the combing process.
  • a portion of the combed material is transferred by the applied negative pressure via the vacuum source 44 and the resulting air flow directly to the channel 42.
  • the rest of the part, in particular the combed fibers remains in the combing segment 36, or settles between the Garniturzähnen and is by the rotational movement of the circular comb 38 down in the in Fig. 1 transported position shown.
  • the combing segment 36 passes into the area of action of a brush 48 likewise rotatably mounted in the suction duct 40 via a brush shaft 46, which brush is provided with distributed bristles 50 on its circumference.
  • Fig. 2 is a combination 51 of a first gear 52 for generating a pilgrim movement for the Abreisswalzen 34 (see Fig. 1 ), a second gear 54 for non-uniform driving of the circular comb 38 (see Fig. 1 ), a third gear 56 for reciprocating the pliers 10 (see Fig. 1 ) and a fourth gear 58 for opening and closing the upper nipper 11 (see Fig. 1 ) intended.
  • the four transmissions 52, 54, 56, 58 are provided in a module construction, wherein the combination 51 of the four transmission modules 52, 54, 56, 58 is enclosed by a housing 60.
  • the first transmission module 52 has a first drive train 62 with a first drive shaft 64, which transmits via a differential gear 66 a continuous rotational movement to a ring gear 74.
  • the transmission module 52 also includes a second driveline 68 having a breakaway roll auxiliary shaft 70 on which a breakaway cam plate means 72 for generating a forward and backward movement 87 is disposed.
  • the differential gear 66 is formed as a planetary gear, wherein the first drive train 62 via the ring gear 74 in conjunction with Planenten impartn 76 drives a sun gear 78 to transmit the continuous rotational movement of the ring gear 74 to the tear-off rollers 34.
  • the forward and backward movement 87 is formed by the tear-off roller cam device 72, wherein the tear-off roller cam device 72 two on the Abreisswalzen auxiliary shaft 70 rotatably arranged Abreisswalzen cams 80 which interact in interaction with two Abreisswalzen cam rollers 82.
  • the two Abreisswalzen cam rollers 82 are connected via a Abreisswalzen rocker arm 84 with a planet carrier 86 of the differential gear 66, so that the forward and backward movement 87 of the Abreisswalzen cams 80 is superimposed on the planet carrier 86 with the continuous rotational movement of the ring gear 74 to to transmit a vocational movement on the tear-off rollers 34.
  • the first drive train 62 is drive-connected according to the present embodiment with a table calender 88 and with transport rollers 90, and is in this way a part of the first gear module 52. It is of course also possible Tischkalander 88 and transport rollers 90 via a separate Drive powertrain.
  • the second gear module 54 has a circular comb auxiliary shaft 92 which is connected via a non-circular gear stage 94 of two intermeshing non-circular gears 96a, 96b with the circular comb shaft 16, the non-circular gear stage 94 is a continuous rotational movement of the circular comb auxiliary shaft 92 in a non-uniform rotational movement the circular comb shaft 16 converts.
  • the diameter of the circular comb shaft according to the prior art is 30 mm and 35 mm.
  • the multiples of the natural frequency are superimposed with the combing machine speed, so that an undesired resonance of the round comb waves is excited.
  • the third gear module 56 is designed for the reciprocating movement of the forceps 10 with a forceps cam device 98, wherein in the embodiment according to Fig. 2 pliers cam 98 has two pliers cam 102 (only one shown) rotatably mounted on pliers auxiliary shaft 100 that interact with two pliers cam rollers 104 (only one shown). interact.
  • the two pincer rollers 104 are connected to the driven pincer shaft 22 via a pincer rocker arm 106 (see FIG Fig. 1 ), so that the movement profile, in particular the reciprocating movement of the forceps cam 102 on the forceps 10 (see Fig. 1 ) is transmitted.
  • the fourth transmission module 58 is for the opening and closing of the upper nipper 11 (see Fig. 1 ) is formed with an upper nipper cam device 108, wherein in the embodiment according to Fig. 2 the upper nipper cam 108 has two upper nipper cams 110 rotatably mounted on the nipper auxiliary shaft 100 (only one shown) that interact with two upper nib followers 112 (only one shown).
  • the two top caliper rollers 112 are rotatably mounted via a screw connection to a top caliper rocker arm 114, wherein the top caliper rocker arm 114 is connected via a coupling rod 116 in conjunction with an upper nipper shaft clamp 118 with the upper nipper shaft 27.
  • the upper nipper rocker arm 114 and the upper nipper shaft clamp 118 are connected by screw 122 with the coupling rod 116, wherein the coupling rod 116 is formed of three elements 116 a, 116 b, 116 c and so the tongs auxiliary shaft 100 via a four-joint 124 with the Upper tongs shaft 27 connects.
  • the combination 51 of transmission modules 52, 54, 56, 58 is driven by a common motor 128.
  • a Abreisswalzen auxiliary shaft 70 of the second drive train 68 rotatably sits a Abreisswalzen drive gear 130
  • the circular comb auxiliary shaft 92 is rotatably seated a circular comb drive gear 132
  • the pliers auxiliary shaft 100 rotatably seated a pliers drive gear 134, wherein all drive gears 130th , 132, 134 are the same size and engaged with each other.
  • An intermediate gear 136 which is engaged with the Abreisswalzen drive gear 130 is rotatably on an engine auxiliary shaft 138 and the motor auxiliary shaft 138 is guided through the housing 60 to the outside and there is non-rotatably a motor idler gear 140.
  • the motor idler gear 140 is drivingly connected via a toothed belt 142 with a motor gear 144, wherein the motor gear 144th rotationally fixed on a motor shaft 146 of the common motor 128 is attached.
  • a toothed belt drive may be used instead of the drive gears 130, 132, 134.
  • At least one sensor in the form of a speed sensor is mounted outside the housing 60.
  • a control unit 131 is connected to a first sensor 133a, a second sensor 133b and a frequency converter 129, wherein the frequency converter 129 drives the common motor 128.
  • the first sensor 133a is a speed sensor and mounted outside of the housing 60 on the pliers auxiliary shaft 100 to determine the absolute machine position.
  • the second sensor 133b is preferably an induction sensor or tachometer and mounted outside of the housing 60 on the rear tongs shaft 22.
  • the second sensor 133b is adapted to the distance of the lower nipper 13 in the front end position according to Fig. 1 to determine the Abwalwalzen 34, which is the so-called Ecartement in combing machines.
  • Fig. 3 11 shows an exemplary embodiment of a first combination 51a with the first transmission module 52 for the pilgrim movement of the tear-off rollers 34 and the second transmission module 54 for non-uniform movement of the circular comb shaft 16, wherein the transmission modules 52, 54 are enclosed by a first housing 60a are.
  • a first frequency converter 129a in conjunction with a first drive motor 128a is connected to the first combination 51a in the same manner as in FIG Fig. 2 described drive-connected.
  • the third gear module 56 for the reciprocating motion of the driven forceps shaft 22 and the fourth transmission module 58 for the movement of the upper forceps shaft 27 are combined in a second combination 51b and enclosed by a second housing 60b.
  • the pliers auxiliary shaft 100 is passed through the second housing 60b and externally connected directly to a second drive motor 128b.
  • the forceps cam device 98 and the top caliper device 108 are disposed in the same manner on the forceps auxiliary shaft 100 as previously associated with FIG Fig. 2 described.
  • the first drive motor 128a and the second drive motor 128b are synchronized with each other via the control unit 131, the drive motors 128a, 128b being asynchronous motors drivingly connected to a corresponding frequency converter 129a, 129b.
  • the drive motors 128a, 128b are servomotors, each in communication with a servo amplifier 129a, 129b.
  • the circular comb auxiliary shaft 92 is guided by the housing 60a to the outside and a third sensor 133c in the form of a speed sensor is mounted outside the housing 60a on the circular comb auxiliary shaft 92.
  • the third sensor 133c is drivingly connected to the control unit 131 and has the task of transmitting the rotational position of the circular comb auxiliary shaft 92 to the control unit 131, so that via the control unit 131 the second frequency converter 129b in conjunction with the second drive motor 128b, the position of the forceps 10 and the upper nipper 11 with respect to the rotational position of the Abreisswalzen 34 and the circular comb auxiliary shaft 92 can set optimally for the combing process and soldering.
  • Fig. 4 is purely schematically shown an inventive drive device 132 with the forceps cam device 98 (solid line) and the upper nipper cam device 108 (dashed line) shown.
  • Two forceps cams 102a, 102b and two forceps cams 110a, 110b are non-rotatably mounted on the forceps auxiliary shaft 100.
  • the purely schematically illustrated pliers rocker arm 106 has two pliers cam rollers 104a, 104b, which are spaced apart at an angle ⁇ , the first pliers cam 102a with the first pliers cam 104a and the second pliers cam 102b with the second caliper cam 104b cooperates.
  • the second pincer roller 104b prevents the first pincer roller 104a from being lifted off the first pincer cam 102a.
  • the pliers cam rollers 104a, 104b have a diameter of 90 mm and the pliers cam plates 102a, 102b each have a disc width of 15 mm to 30 mm, preferably 20 mm.
  • the bearing of the pliers cam 102 can be done either via rolling bearings or plain bearings.
  • rolling bearings whose diameter is in the range of 90 mm to 120 mm.
  • plain bearings whose diameter is preferably in the range of 60 mm to 90 mm.
  • slide bearings is preferably accessed.
  • the purely schematically illustrated upper nipper rocker arm 114 has two upper nipper cam rollers 112a, 112b which are spaced apart at an angle ⁇ , the first Oberzangen- cam 110a with the first upper nipper cam follower 112a and the second Oberzangen- cam 110b with the second upper nipper cam follower 112b cooperates.
  • the second upper nipper cam roller 112b prevents the first upper nipper cam roller 112a from being lifted off the first upper nipper cam 110a.
  • the upper nipper cam rollers 112a, 112b have a diameter of 30 mm, and the upper nipper cams 110a, 110b each have a disk width of 10 mm to 20 mm, preferably 14 mm.
  • the storage of the upper nipper cam 110 can be done either via roller bearings or plain bearings. When using rolling bearings, their diameters are in the range of 30 mm to 60 mm. When using plain bearings whose diameter is preferably in the range of 20 mm to 30 mm. In particular in small spaces, the use of slide bearings is preferably accessed.
  • Each cam 102, 110 has a specific outer circumference, on which the respective cam roller 104, 112 rests.
  • a pincer movement profile 134 of the pincer cams 102 is transmitted to the driven pincer shaft 22 and an upper nipper movement profile 136 of the upper nipper cam 110 is transferred to the upper nipper shaft 27.
  • both cam devices 98, 108 are mechanically coupled to each other via the forceps auxiliary shaft 100, but are independently adjustable to tune the reciprocating motion of the forceps 10 and the opening and closing of the upper forceps 11. This situation is in Fig. 5 shown.
  • Fig. 5 is on the abscissa (horizontal X-axis) a single revolution, ie from 0 ° to 360 °, the respective cam 102, 110 and on the ordinate axis (vertical Y-axis) a cam deflection angle of 0 ° to 35 ° for the Pliers cam 102 and the upper nipper cam 110 shown.
  • the solid line is the forceps motion profile 134 and the dashed line is the upper forceps motion profile 136.
  • the forceps 10 in the forward position and the upper nipper 11 is seated on the lower nipper 13 and is closed.
  • the forceps 10 is in the rearward position with a forceps deflection angle ⁇ of about 31 °, and the upper forceps 11 is opened with a forceps deflection angle ⁇ of about 27 °.
  • a significant advantage of the inventive drive device 132 as in Fig. 4 shown is the independent movement of the upper nipper opposite the lower nipper, which can be set via the upper nipper cam device 108 very different timing for the opening and closing of the upper nipper against the lower nipper. Accordingly, the top caliper movement may be phase shifted by adjusting the top calipers device for forceps movement, as also in FIG Fig. 5 for another upper forceps movement profile 136b.
  • the additional upper forceps movement profile 136b is generated in cooperation with an eccentric.
  • the eccentric can further increase the deflection angle of the upper-nipper movement.
  • the upper nipper cam 108 has two upper nipper cams 110a, 110b rotatably mounted on the pincer auxiliary shaft 100, which cooperate with two upper nip cam rollers 112a, 112b.
  • the two upper nipper cam rollers 112a, 112b are rotatably mounted via a screw 122 on the upper nipper rocker arm 114 shown purely schematically, wherein the upper nipper rocker arm 114 is connected via the coupling rod 116 in conjunction with the upper nipper shaft clamp 118 with the upper nipper shaft 27.
  • the upper nipper rocker arm 114 and the upper nipper shaft clamp 118 are connected by screw 122 with the coupling rod 116, wherein the coupling rod 116 is formed of three elements 116 a, 116 b, 116 c, and so the tongs auxiliary shaft 100 via the four-joint 124 with the Upper tongs shaft 27 connects.
  • the upper nipper deflection angle ⁇ caused by the upper nipper cam device 108 is about 30 ° and the four-joint 124 is a new upper nipper deflection angle ⁇ * of up to 60 ° adjustable.
  • the upper nipper cam 108 has a single upper nipper cam 110 rotatably mounted on the nipper auxiliary shaft 100 that interacts with a single upper nib cam 112.
  • the upper nipper rocker arm 114 is provided with a spring member 138 which cooperates between a machine frame 140 and the upper nipper rocker arm 114 so that the single upper nip cam follower 112 does not lift off the single upper nipper cam 110.
  • the upper nipper cam follower 112 is rotatably mounted via a screw connection 122 to the upper nipper rocker arm 114 shown purely schematically, wherein the upper nipper rocker arm 114 is connected to the upper nipper shaft 27 via the connecting rod 116 in conjunction with the upper nipper shaft clamp 118.
  • the upper nipper rocker arm 114 and the upper nipper shaft clamp 118 are connected by screw 122 with the coupling rod 116, wherein the coupling rod 116 is formed of three elements 116 a, 116 b, 116 c and so the pliers auxiliary shaft 100 connects via the four-joint 124 with the upper nipper shaft 27.
  • the coupling rod 116 is formed of three elements 116 a, 116 b, 116 c and so the pliers auxiliary shaft 100 connects via the four-joint 124 with the upper nipper shaft 27.
  • the upper nipper deflection angle ⁇ caused by the upper nipper cam device 108 is about 30 ° and the four-joint 124 is a new upper nipper deflection angle ⁇ * of up to 60 ° adjustable.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP19150678.1A 2018-01-23 2019-01-08 Dispositif d'entraînement pour un mécanisme de pinçage d'une machine de peignage Pending EP3514270A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00069/18A CH714581A1 (de) 2018-01-23 2018-01-23 Antriebsvorrichtung für ein Zangenaggregat einer Kämmmaschine.

Publications (1)

Publication Number Publication Date
EP3514270A1 true EP3514270A1 (fr) 2019-07-24

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Application Number Title Priority Date Filing Date
EP19150678.1A Pending EP3514270A1 (fr) 2018-01-23 2019-01-08 Dispositif d'entraînement pour un mécanisme de pinçage d'une machine de peignage

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EP (1) EP3514270A1 (fr)
CN (1) CN110067045B (fr)
CH (1) CH714581A1 (fr)

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