EP2458045B1 - Kämmmaschine - Google Patents

Kämmmaschine Download PDF

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Publication number
EP2458045B1
EP2458045B1 EP20110188544 EP11188544A EP2458045B1 EP 2458045 B1 EP2458045 B1 EP 2458045B1 EP 20110188544 EP20110188544 EP 20110188544 EP 11188544 A EP11188544 A EP 11188544A EP 2458045 B1 EP2458045 B1 EP 2458045B1
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EP
European Patent Office
Prior art keywords
nipper
shaft
output shaft
adjusting mechanism
joint member
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.)
Active
Application number
EP20110188544
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English (en)
French (fr)
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EP2458045A1 (de
Inventor
Motohiro Kawai
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.)
Toyota Industries Corp
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Toyota Industries Corp
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Publication date
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Publication of EP2458045A1 publication Critical patent/EP2458045A1/de
Application granted granted Critical
Publication of EP2458045B1 publication Critical patent/EP2458045B1/de
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    • 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
    • D01G19/10—Construction, mounting, or operating features of combing elements
    • D01G19/105—Combing cylinders
    • 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 comber, and more specifically to a comber having a nipper gauge adjusting mechanism.
  • a comber has an operational portion, in which a plurality of (typically, eight) combing heads are arranged.
  • a nipper device holds a lap fed by a predetermined amount at a time.
  • Each combing head combs the distal end of a lap held by the nipper device using a combing cylinder.
  • Fleece that is generated by combing of the lap is moved to detaching rollers as the nipper device advances.
  • the detaching rollers are rotated in the reverse direction and retract fleece that has been taken before, or preceding fleece. Then, the trailing end of the preceding fleece and the advancing end of the newly combed fleece, or succeeding fleece, are overlapped.
  • the detaching rollers are rotated forward to take the fleece from the nipper device, and the trailing end of the fleece is combed with a top comb stuck into the fleece.
  • the comber bundles the fleece made by repeating this process in the combing heads and drafts the fleeces, and thereafter compresses the fleeces using calender rollers to obtain sliver.
  • a nipper device basically includes a nipper frame, a bottom nipper fixed to the distal end of the nipper frame, and a top nipper that cooperates with the bottom nipper to hold a lap.
  • the top nipper and the distal end of the bottom nipper hold the lap.
  • the nipper device is structured to be swung between a position where the distal end of the bottom nipper is in the vicinity of the pivoting path of a cylinder needle of a combing cylinder and a position where the distal end of the bottom nipper is in the vicinity of detaching rollers.
  • a nipper gauge adjusting mechanism that adjusts the nipper gauges of a plurality of combing heads (refer to German Patent Application DE10206605A1 ).
  • a conventional nipper gauge adjusting mechanism 61 is attached to and rotates integrally with one end of a nipper shaft 63, which extends through a gear box 62, (the right end as viewed in Fig. 7 ).
  • a part of the nipper gauge adjusting mechanism 61 protrudes into the gear box 62.
  • the nipper gauge adjusting mechanism 61 is formed to be substantially cylindrical.
  • the part of the nipper gauge adjusting mechanism 61 protruding from the gear box 62 is split into two semi-cylindrical shapes.
  • the two semi-cylindrical shapes are fastened to each other by a plurality of screws 64 to be fixed to the nipper shaft 63.
  • the screws 64 are loosened, the nipper gauge adjusting mechanism 61 is allowed to pivot relative to the nipper shaft 63.
  • One end 65a of an arm 65 is fixed to a part of the nipper gauge adjusting mechanism 61 that protrudes into the gear box 62 with a screw (not shown), so that the arm 65 and the nipper gauge adjusting mechanism 61 rotate integrally.
  • a drive gear 66 which is driven in synchronization with the combing cylinder, is provided in the gear box 62.
  • a rotating member 67 is provided on the opposite side of the arm 65 with respect to the drive gear 66.
  • the rotating member 67 is coaxial with the drive gear 66.
  • the arm 65 is coupled to the drive gear 66 via a slider portion 69.
  • the slider portion 69 is supported by a supporting portion 68 provided between the drive gear 66 and the rotating member 67.
  • the nipper shaft 63 is swung in a predetermine range (pivoted in a reciprocating manner) via the nipper gauge adjusting mechanism 61, in synchronization with rotation of the drive gear 66.
  • the screws 64 are loosened, the nipper shaft 63 is pivoted relative to the nipper gauge adjusting mechanism 61. Thereafter, the screws 64 are fastened again to change the nipper gauge amount. The nipper gauge amount is adjusted in this manner.
  • the conventional nipper gauge adjusting mechanism 61 is attached to an end of the nipper shaft 63 that protrudes from the gear box 62 in a state where the mechanism 61 extends through the wall of the gear box 62. Therefore, the nipper gauge adjusting mechanism 61 needs to be assembled to the nipper shaft 63 after the nipper shaft 63 is installed in a predetermined position of the gear box 62. That is, the nipper gauge adjusting mechanism 61 needs to be fixed to the nipper shaft 63 to be integrally rotatable with the nipper shaft 63, while maintaining a seal with the gear box 62.
  • the nipper gauge adjusting mechanism 61 needs to be pivotal relative to the nipper shaft 63 when the screws 64 are loosened. Therefore, the nipper gauge adjusting mechanism 61 is difficult to install, which reduces the manufacturability of the combing part.
  • the present invention provides a comber having a plurality of combing heads, each of which has a nipper frame.
  • a common nipper shaft is rotated in a reciprocating manner with respect to the nipper frames, the nipper frames of all the combing heads are swung back and forth in synchronization, and the nipper shaft is rotated in a reciprocating manner in synchronization with a combing cylinder by a nipper shaft driving portion located in a gear box.
  • the nipper shaft driving portion has an output shaft arranged coaxially with the nipper shaft. The output shaft is rotated in a reciprocating manner in synchronization with the combing cylinder.
  • the output shaft has a first end, which is relatively close to the nipper shaft, and a second end, which is opposite to the first end. At least the first end of the output shaft protrudes to the outside of the gear box.
  • a nipper gauge adjusting mechanism is provided between the first end of the output shaft and one end of the nipper shaft. The nipper gauge adjusting mechanism is configured to permit the nipper shaft and the output shaft to be switched between a state where the nipper shaft and the output shaft rotate Integrally and a state where the nipper shaft is allowed to rotate relative to the output shaft.
  • the nipper shaft is coupled to the output shaft of the nipper shaft driving portion in the gear box via the nipper gauge adjusting mechanism to be integrally rotatable with the output shaft.
  • the nipper shaft In a state of being coupled to the output shaft, the nipper shaft is pivoted in a reciprocating manner, or swung, in synchronization with the combing cylinder.
  • the nipper shaft To adjust the nipper gauge, the nipper shaft is pivoted relative to the output shaft by a required adjustment amount in a state where the nipper shaft is pivotable relative to the output shaft. After the relative pivoting motion, the nipper shaft is again coupled to the output shaft via the nipper gauge adjusting mechanism to be integrally rotatable with the output shaft.
  • the required adjustment amount is an amount of pivoting motion of the nipper shaft that corresponds to a nipper gauge in a case where the amount of cotton waste is equal to a target amount.
  • the nipper shaft driving portion swings the output shaft always in the same state regardless of adjustment of the nipper gauge.
  • the start position of swinging motion of the nipper shaft is changed when the nipper gauge adjustment is executed. Accordingly, the range of swinging motion of the nipper shaft is varied. This changes the range of swinging motion of the nipper frame in the forward-rearward direction. As a result, the nipper gauge is changed.
  • the nipper gauge adjusting mechanism of the present invention is located between the end of the output shaft protruding to the outside of the gear box and one end of the nipper shaft.
  • the nipper shaft driving portion which has the output shaft, is located inside the gear box. Accordingly, the nipper gauge adjusting mechanism is easy to install, and the manufacturability of the nipper device, which includes the nipper driving portion, is improved.
  • the nipper gauge adjusting mechanism preferably has a joint portion.
  • the joint portion is formed by a first member fixed to and Integrally rotatable with the output shaft and a second member fixed to and integrally rotatable with the nipper shaft.
  • the second member has an elongated hole, which extends in the circumferential direction of the nipper shaft. A fastener is passed through the elongated hole. When the fastener is fastened, the first member and the second member are fixed relative to each other. When the fastener is loosened, the first member and the second member are allowed to pivot relative to each other.
  • the nipper gauge adjusting mechanism can be manufactured independently from the nipper shaft driving portion and the nipper shaft.
  • the nipper gauge adjusting mechanism can be retrofitted to the nipper shaft driving portion and the nipper shaft.
  • an axis aligning portion is provided between the first member and the second member. According this configuration, even if the nipper shaft and the second member are pivoted relative to the first member to adjust the nipper gauge, the coaxial arrangement of the output shaft and the nipper shaft is maintained.
  • the nipper gauge adjusting mechanism preferably has a joint portion.
  • the joint portion includes a fixed portion fixed to and integrally rotatable with the output shaft and a connection portion that can be switched between a state where the connection portion is rotatable relative to the nipper shaft and a state where the connection portion is fixed relative to the nipper shaft.
  • An internal thread portion is formed in the circumferential surface of the nipper shaft.
  • the connection portion has an elongated hole, which extends in the circumferential direction of the nipper shaft. The elongated hole is formed at a position that faces the internal thread portion.
  • a bolt which is passed through the elongated hole, is threaded to the internal thread portion.
  • connection portion When the bolt is fastened, the connection portion is fixed relative to the nipper shaft. The bolt is loosened, the connection portion is allowed to is rotate relative to the nipper shaft.
  • This configuration has fewer components compared to a nipper gauge adjusting mechanism that has a joint portion formed by a first member and a second member.
  • the joint portion preferably includes an insertion hole into which the output shaft and the nipper shaft are inserted, a groove that connects the insertion hole with the outer circumferential surface of the joint portion, and a bolt hole perpendicular to the groove.
  • a fastening bolt is threaded to the bolt hole.
  • the joint portion is fixed to the output shaft and the nipper shaft.
  • This configuration has fewer components compared to a configuration in which a joint portion is formed by separable parts that sandwich an output shaft or a nipper shaft. Accordingly, the nipper gauge adjusting mechanism Is easy to install.
  • Figs. 1 to 4(b) show a first embodiment of the present invention.
  • Atypical comber has an operational portion, in which eight combing heads are arranged.
  • a combing head 11 includes a pair of lap rollers 12, a nipper device 14 provided with a feed roller 13, a combing cylinder 15, and two pairs of detaching rollers 16, 17.
  • Each pair of detaching rollers 16, 17 is displaced from another pair of detaching rollers 16, 17 in the front-back direction.
  • the left side of Fig. 1 is defined as the front side, and the right side is defined as the rear side.
  • the nipper device 14 has a nipper frame 18, which is located above the combing cylinder 15 to be swingable forward and backward.
  • a bottom nipper 19 is located at the bottom of a front portion of the nipper frame 18.
  • a nipper arm 20 is pivotably connected to a center in the front-back direction of the nipper frame 18 with a support shaft 18a.
  • a top nipper 20a is fixed to the distal end of the nipper arm 20.
  • the top nipper 20a opens and closes at predetermined timing to pinch a lap L in cooperation with the bottom nipper 19.
  • a top comb 21 is attached to the nipper frame 18. The top comb 21 is located forward of the bottom nipper 19 and performs a predetermine action in synchronization with the nipper frame 18.
  • a nipper shaft 22 is arranged at the rear of the combing cylinder 15 and below the nipper frame 18 to be able to pivot back and forth.
  • a first end (the lower end as viewed in Fig. 1 ) of a nipper frame drive arm 23 is secured to the nipper shaft 22 to pivot integrally with the nipper shaft 22.
  • the rear end of the nipper frame 18 is pivotably supported on a second end (the upper end as viewed in Fig. 1 ) of the nipper frame drive arm 23 via a support shaft 23a.
  • a support arm 24 is rotatably supported to the cylinder shaft 15a.
  • the front end of the nipper frame 18 is pivotably supported on the distal end of the support arm 24 via a support shaft 24a.
  • the nipper frame 18 is configured to be swung back and forth such that the distal end of the bottom nipper 19 approaches and separates from the detaching rollers 16, 17 by back-and-forth pivoting (swinging motion) of the nipper shaft 22.
  • a main motor (not shown) drives a drive shaft, and rotation of the main motor is transmitted to the cylinder shaft 15a and the nipper shaft 22 via mechanical components such as gears and cranks.
  • the nipper device 14 is therefore driven in synchronization with the combing cylinder 15.
  • the nipper shaft driving portion 25 is provided in a gear box 26 located at one end of a machine (not shown).
  • the nipper shaft driving portion 25 has a drive gear 27 driven by a drive shaft.
  • the drive gear 27 is arranged to rotate in a plane perpendicular to the nipper shaft 22.
  • An output shaft 28 is housed in the gear box 26.
  • the output shaft 28 is supported via a pair of bearings 29 to be coaxial with the nipper shaft 22.
  • the output shaft 28 has the first end 28a closer to the nipper shaft 22 (the left end as viewed in Fig. 3 ), and a second end 28b on the side opposite to the nipper shaft 22 (the right end as viewed in Fig. 3 ).
  • one end of an arm 30 is fixed to the output shaft 28 so that the arm 30 rotates integrally with the output shaft 28.
  • a rotating member 31 is provided on the opposite side of the arm 30 with respect to the drive gear 27.
  • the rotating member 31 is coaxial with the drive gear 27.
  • the arm 30 is operably coupled to the drive gear 27 via a slider portion 33.
  • the slider portion 33 is supported by a supporting portion 32 provided between the drive gear 27 and the rotating member 31.
  • the drive gear 27, the output shaft 28, the arm 30, the rotating member 31, the supporting portion 32, and the slider portion 33 form a slider crank mechanism.
  • the output shaft 28 is swung, or pivoted in a reciprocation manner, in a predetermined range.
  • the nipper gauge adjusting mechanism 34 is located between the first end 28a of the output shaft 28 and the nipper shaft 22.
  • the first end 28a of the output shaft 28 protrudes to the outside of the gear box 26 and is located relatively closer to the nipper shaft 22 than the second end 28b.
  • the nipper gauge adjusting mechanism 34 is configured to permit the nipper shaft 22 and the output shaft 28 to be switched between a state where the nipper shaft 22 and the output shaft 28 rotate integrally and a state where the nipper shaft 22 is allowed to rotate relative to the output shaft 28.
  • the nipper gauge adjusting mechanism 34 is configured such that, after such relative rotation, the nipper shaft 22 and the output shaft 28 are integrally coupled to each other. In other words, the nipper shaft 22 and the output shaft are again fixed to one another after the adjustment.
  • the nipper gauge adjusting mechanism 34 includes a joint portion 37.
  • the joint portion 37 is formed a first joint member 35 and a second joint member 36.
  • the first joint member 35 is a first member that is fixed to and rotates integrally with the output shaft 28.
  • the second joint member 36 is a second member that is fixed to and rotates integrally with the nipper shaft 22.
  • the second joint member 36 has an elongated hole 38, which extends in the circumferential direction of the nipper shaft 22.
  • the first joint member 35 has a threaded hole 39 at a position that corresponds to the elongated hole 38.
  • An adjuster bolt 40 which functions as a fastener, is inserted into the elongated hole 38 and threaded to the threaded hole 39.
  • the adjuster bolt 40 is fastened, the first joint member 35 and the second joint member 36 are fixed with respect to each other.
  • the adjuster bolt 40 is loosened, the first joint member 35 and the second joint member 36 are allowed to pivot with respect to each other.
  • the first joint member 35 is formed to be substantially cylindrical.
  • the first joint member 35 includes an insertion hole 35a into which the output shaft 28 is inserted, a communication groove 35b that connects the insertion hole 35a with the outer circumferential surface of the first joint member 35, and a plurality of first fastening bolt holes 35c perpendicular to the communication groove 35b.
  • First fastening bolts 41 are threaded into the first fastening bolt holes 35c to secure the first joint member 35 to the output shaft 28. Hex socket bolts are used as the first fastening bolts 41.
  • a first projection 35d is formed on the outer circumferential surface of the cylindrical portion of the first joint member 35 at one axial end of the cylindrical portion.
  • the threaded hole 39 is formed in the first projection 35d.
  • the second joint member 36 is also formed to be substantially cylindrical.
  • the second joint member 36 includes an insertion hole 36a into which the nipper shaft 22 is inserted, a communication groove 36b that connects the insertion hole 36a with the outer circumferential surface of the second joint member 36, and second fastening bolt holes 36c perpendicular to the communication groove 36b.
  • Second fastening bolts 42 are threaded into the second fastening bolt holes 36c to secure the second joint member 36 to the nipper shaft 22.
  • Hex socket bolts are used as the second fastening bolts 42.
  • a second projection 36d is formed on the outer circumferential surface of the cylindrical portion of the second joint member 36 at one axial end of the cylindrical portion.
  • the elongated hole 38 is formed in the second projection 36d.
  • the joint portion 37 includes the insertion holes 35a, 36a into which the output shaft 28 and the nipper shaft 22 are inserted, the communication grooves 35b, 36b that connect the insertion holes 35a, 36a with the outer circumferential surface of the joint portion 37, the first fastening bolts 35c and the second fastening bolts 36c perpendicular to the communication grooves 35b 36b.
  • the joint portion 37 is fixed to the output shaft 28 and the nipper shaft 22 by fastening the first fastening bolts 41 and the second fastening bolts 42 threaded to the first fastening bolt holes 35c and the second fastening bolt holes 36c.
  • an axis aligning portion 43 is located between the first joint member 35 and the second joint member 36.
  • the axis aligning portion 43 is formed by a substantially annular protrusion 44 formed on the first joint member 35 and a substantially annular recess 45 formed in the second joint member 36 to be engaged with the annular protrusion 44. That is, the annular protrusion 44 is formed in an inner circumferential portion on the end face of the first joint member 35 that faces the second joint member 36.
  • the annular recess 45 is formed in an inner circumferential portion on the end face of the second joint member 36 that faces the first joint member 35.
  • the annular protrusion 44 and the annular recess 45 each have a shape in which a part corresponding to the communication grooves 35b, 36b is cut.
  • the first joint member 35 and the second joint member 36 are split from each other, and the first fastening bolts 41 and the second fastening bolts 42 are loosened.
  • the first joint member 35 is fitted to the first end 28a of the output shaft 28, and the second joint member 36 is fitted to the end of the nipper shaft 22.
  • the first fastening bolts 41 are fastened to secure the first joint member 35 to the first end 28a of the output shaft 28, and the second fastening bolts 42 are fastened to secure the second joint member 36 to the nipper shaft 22.
  • the nipper shaft 22 is moved such that the annular protrusion 44 of the axis aligning portion 43 fitted to the annular recess 45.
  • the adjuster bolt 40 is threaded to the threaded hole 39 of the first joint member 35, thereby assembling the second joint member 36 to the first joint member 35.
  • the assembly of the nipper gauge adjusting mechanism 34 is completed.
  • the drive gear 27 When the comber is operating, the drive gear 27 is rotated in synchronization with the combing cylinder 15 via the drive shaft driven by the main motor (not shown).
  • the output shaft 28 of the nipper shaft driving portion 25 is rotated in a reciprocating manner (alternating clockwise and counterclockwise motion) in a predetermined range by rotation of the drive gear 27. Accordingly, the nipper shaft 22 moves integrally with the output shaft 28 via the nipper gauge adjusting mechanism 34.
  • the bottom nipper 19 As the nipper shaft 22 is rotationally reciprocated, the bottom nipper 19 is swung back and forth together with the nipper frame 18.
  • the top nipper 20a Since the top nipper 20a is swung upward and downward, the top nipper 20a and the distal end of the bottom nipper 19 selectively hold and release the lap L.
  • the distal end of the lap L held by the nipper device 14 is combed with a combing segment 15b of the combing cylinder 15.
  • the amount of cotton waste removed from the lap L is changed in accordance with the timing at which the combing segment 15b combs the lap L held by the nipper device 14.
  • the combing cylinder 15 is rotated at a predetermined speed in accordance with spinning conditions. Accordingly, the combing segment 15b passes below the bottom nipper 19 at predetermined intervals.
  • the nipper frame 18 is swung back and forth in a predetermined range by the reciprocating motion of the nipper shaft 22, which is moved in synchronization with the combing cylinder 15. Therefore, when the front-most position of the nipper frame 18 is changed, the timing at which the combing segment 15b combs the distal end of the lap L held by the nipper device 14 changes. Accordingly, the amount of waste cotton is changed.
  • the nipper gauge G refers to the distance between the front edge of the bottom nipper 19 and the detaching roller 16 when the nipper frame 18 is moved to the front-most position. Adjustment of the nipper gauge G is executed by adjusting the nipper gauge adjusting mechanism 34 prior to operation of the comber. Specifically, when adjusting the nipper gauge G, the adjuster bolt 40 is loosened when the comber is in a stopped state, so that the fastening of the first joint member 35 and the second joint member 36 by the adjuster bolt 40 is removed.
  • the adjuster bolt 40 is fastened again, so that the adjustment of the nipper gauge G is completed.
  • the adjustment amount for making the amount of cotton waste an appropriate value is obtained in advance, and the nipper gauge G is adjusted to have an adequate value that corresponds to the spinning conditions based on the data.
  • Fig. 4(a) shows a state in which the nipper gauge G is narrow
  • Fig. 4(b) shows a state in which the nipper gauge G is wide.
  • the nipper shaft 22 is pivoted clockwise when the nipper shaft 22 is allowed to pivot relative to the output shaft 28, to adjust the nipper gauge G.
  • the nipper frame drive arm 23 is rotated integrally with the nipper shaft 22, so that the support arm 24 is pivoted clockwise about the cylinder shaft 15a via the nipper frame 18.
  • the nipper gauge G is widened as shown in Fig. 4(b) .
  • the present embodiment has the following advantages.
  • Fig. 5 shows a second embodiment of the present invention.
  • the second embodiment is different from the first embodiment in the structure of a nipper gauge adjusting mechanism.
  • Like or the same reference numerals are given to those components that are like or the same as the corresponding components of the first embodiment, and detailed explanations are omitted.
  • a nipper gauge adjusting mechanism 50 includes a joint portion 51.
  • the joint portion 51 includes a fixed portion 51a, which is fixed to and rotates integrally with the output shaft 28, and a connection portion 51b, which is switched between a state where the connection portion 51b is rotatable relative to the nipper shaft 22 and a state where the connection portion 51b is not rotatable relative to the nipper shaft 22.
  • the connection portion 51 b has an elongated hole 52, which extends in the circumferential direction of the nipper shaft 22.
  • An internal thread portion 22a is formed in the circumferential surface of the nipper shaft 22.
  • the elongated hole 52 is formed at a position that faces the internal thread portion 22a.
  • An adjuster bolt 40 is passed though the elongated hole 52 and threaded to the internal thread portion 22a.
  • the connection portion 51b is not rotatable relative to the nipper shaft 22.
  • the adjuster bolt 40 is loosened, the connection portion 51b is rotatable relative to the nipper shaft 22.
  • the nipper gauge adjusting mechanism 50 is movable relative to the output shaft 28 when the first fastening bolts 41 are loosened.
  • the adjuster bolt 40 and the second fastening bolts 42 are both loosened, the nipper shaft 22 is allowed to rotate with respect to the joint portion 51.
  • the joint portion 51 is movable axially relative to the nipper shaft 22.
  • connection portion 51b is attached to the nipper shaft 22 with both of the first fastening bolts 41 and the second fastening bolts 42 loosened. Then, the adjuster bolt 40 is threaded to the internal thread portion 22a. Then, with the nipper shaft 22 and the output shaft 28 arranged coaxially, the nipper shaft 22 is moved such that the first joint member 35 is inserted into the fixed portion 51 a. Thereafter, the first fastening bolt 41 and the second fastening bolt 42 are fastened.
  • the second embodiment has the following advantage in addition to the advantages (1), (5) of the first embodiment.
  • the first joint member 35 may have an annular recess 46 that is coaxial with and has the same diameter as the annular recess 45 of the second joint member 36.
  • the axis aligning portion 43 may be formed by the annular recesses 45, 46 and a ring 47, which is fitted in the annular recess 45, 46.
  • the first joint member 35 and the second joint member 36 each may be formed by separable parts that can sandwich the output shaft 28 or the nipper shaft 22.
  • the joint portion 51 may be formed by separable parts that can sandwich the output shaft 28 or the nipper shaft 22.
  • the nipper gauge adjusting mechanisms 34, 50 can be installed after the nipper shaft 22 is arranged at the final installed position. That is, the nipper gauge adjusting mechanisms 34, 50 can be installed after the nipper shaft 22 is arranged coaxially with the output shaft 28 and at a position at a predetermined distance from the output shaft 28.
  • One advantage of this configuration is that, when replacing the nipper gauge adjusting mechanisms 34, 50, the nipper shaft 22 does not need to be moved a position where the nipper gauge adjusting mechanisms 34, 50 can be removed from the nipper shaft 22 and the output shaft 28.
  • the annular protrusion 44 of the axis aligning portion 43 between the first joint member 35 and the second joint member 36 may be formed in the second joint member 36. That is, the annular recess 45 may be formed in the first joint member 35.
  • the output shaft 28 may be configured such that the second end 28b also protrudes the outside of the gear box 26. That is, both ends of the output shaft 28 may protrude to the outside of the gear box 26.
  • An elongated hole 38 may be formed in the first projection 35d of the first joint member 35. That is, a threaded hole 39 may be formed in the second projection 36d of the second joint member 36.
  • the structure in which the first joint member 35 or the fixed portion 51 a fastens the output shaft 28 and the structure in which the second joint member 36 or the connection portion 51 b fastens the nipper shaft 22 are not limited to the structure in which the first fastening bolts 41 or the second fastening bolts 42 are threaded to the first fastening bolt holes 35c or the second fastening bolt holes 36c.
  • a structure may be employed in which a bolt is passed through a bolt hole having no internal thread and is threaded to a nut.
  • a nipper shaft driving portion (25) has an output shaft (28), which is pivoted in a reciprocating manner coaxially with a nipper shaft (22) in synchronization with a combing cylinder (15).
  • the output shaft (28) has a first end, which is relatively close to the nipper shaft (22), and a second end, which is opposite to the first end. At least the first end of the output shaft (28) is arranged to protrude outside of a gear box (26).
  • a nipper gauge adjusting mechanism (34) is provided between the first end of the output shaft (28) and one end of the nipper shaft (22).
  • the nipper gauge adjusting mechanism (34) is configured to permit the nipper shaft (22) and the output shaft (28) are to be switched between a state where the shafts are integrally rotatable and a state where the nipper shaft (22) can rotate relative to the output shaft (28).

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (7)

  1. Kämmmaschine mit einer Vielzahl von Kämmköpfen (11), wobei jeder Kämmkopf (11) einen Zangenrahmen (18) hat, wobei, wenn eine gemeinsame Zangenwelle (22) in einer sich hin- und herbewegenden Weise in Bezug auf die Zangenrahmen (18) gedreht wird, die Zangenrahmen (18) aller Kämmköpfe (11) synchron nach vor und zurück schwingen, und die Zangenwelle (22) in einer sich hin- und herbewegenden Weise synchron zu einem Kämmzylinder (15) durch einen Zangenwellenantriebsabschnitt (25) gedreht wird, der in einem Getriebegehäuse (26) angeordnet ist, dadurch gekennzeichnet, dass
    der Zangenwellenantriebsabschnitt (25) eine Ausgabewelle (28) hat, die koaxial zu der Zangenwelle (22) angeordnet ist,
    die Ausgabewelle (28) in einer sich hin- und herbewegenden Weise synchron zu dem Kämmzylinder (15) gedreht wird,
    die Ausgabewelle (28) ein erstes Ende (28a), das relativ nahe an der Zangenwelle (22) angeordnet ist, und ein zweites Ende (28b) hat, das entgegengesetzt zu dem ersten Ende (28a) ist,
    zumindest das erste Ende (28a) der Ausgabewelle (28) an der Außenseite des Getriebegehäuses (26) vorsteht,
    ein Zangenjustierungseinstellungsmechanismus (34, 50) zwischen dem ersten Ende (28a) der Ausgabewelle (28) und einem Ende der Zangenwelle (22) vorgesehen ist, und
    der Zangenjustierungseinstellungsmechanismus (34, 50) gestaltet ist, um zuzulassen, dass die Zangenwelle (22) und die Ausgabewelle (28) zwischen einem Zustand, in dem die Zangenwelle (22) und die Ausgabewelle (28) einstückig drehen, und einem Zustand geschaltet werden, in dem es zugelassen wird, dass die Zangenwelle (22) relativ zu der Ausgabewelle (28) dreht.
  2. Kämmmaschine nach Anspruch 1, wobei der Zangenjustierungseinstellungsmechanismus (34) einen Verbindungsabschnitt (37) hat, der durch folgende Bauteile ausgebildet ist:
    ein erstes Bauteil (35), das an der Ausgabewelle (28) fixiert ist und mit dieser einstückig drehbar ist; und
    ein zweites Bauteil (36), das an der Zangenwelle (22) fixiert ist und mit dieser einstückig drehbar ist,
    dadurch gekennzeichnet, dass
    das zweite Bauteil (36) ein Langloch (38) hat, das sich in der Umfangsrichtung der Zangenwelle (22) erstreckt,
    ein Befestigungsmittel (40) durch das Langloch (38) hindurch tritt,
    wenn das Befestigungsmittel (40) festgemacht ist, das erste Bauteil (35) und das zweite Bauteil (36) relativ zueinander fixiert sind, und
    wenn das Befestigungsmittel (40) gelöst ist, es zugelassen wird, dass das erste Bauteil (35) und das zweite Bauteil (36) relativ zueinander verschwenkt werden können.
  3. Kämmmaschine nach Anspruch 2, dadurch gekennzeichnet, dass ein Achsausrichtungsabschnitt (43) zwischen dem ersten Bauteil (35) und dem zweiten Bauteil (36) vorgesehen ist.
  4. Kämmmaschine nach Anspruch 3, dadurch gekennzeichnet, dass
    das erste Bauteil (35) und das zweite Bauteil (36) jeweils ein zugewandtes Ende haben,
    die zugewandten Enden zueinander zugewandt sind, und
    der Achsausrichtungsabschnitt (43) durch folgende Bauteile ausgebildet ist:
    einen Vorsprung (44), der an einem des Paares der zugewandten Enden ausgebildet ist; und
    eine Aussparung (45), die an dem anderen Ende des Paares der zugewandten Enden ausgebildet ist.
  5. Kämmmaschine nach Anspruch 3, dadurch gekennzeichnet, dass
    das erste Bauteil (35) und das zweite Bauteil (36) jeweils ein zugewandtes Ende haben,
    die zugewandten Enden zueinander zugewandt sind, und
    der Achsausrichtungsabschnitt (43) durch folgende Bauteile ausgebildet ist:
    ringförmige Aussparungen (45, 46), die in den zugewandten Enden ausgebildet sind; und
    einen Ring (47), der in beiden ringförmigen Aussparungen eingepasst ist.
  6. Kämmmaschine nach Anspruch 1, dadurch gekennzeichnet, dass
    der Zangenjustierungseinstellungsmechanismus (50) einen Verbindungsabschnitt (51) hat, der Folgendes aufweist:
    einen fixierten Abschnitt (51a), der an der Ausgabewelle (28) fixiert ist und mit dieser einstückig drehbar ist; und
    einen Anschlussabschnitt (51b), der zwischen einem Zustand, in dem der Anschlussabschnitt (51b) relativ zu der Zangenwelle (22) drehbar ist, und einem Zustand geschaltet werden kann, in dem der Anschlussabschnitt (51b) relativ zu der Zangenwelle (22) fixiert ist,
    ein Innengewindeabschnitt (22a) in der Umfangsfläche der Zangenwelle (22) ausgebildet ist;
    der Anschlussabschnitt (51b) ein Langloch (52) hat, das sich in der Umfangsrichtung der Zangenwelle (22) erstreckt;
    das Langloch (52) an einer Position ausgebildet ist, die zu dem Innengewindeabschnitt (22a) zugewandt ist;
    eine Schraube (40), die durch das Langloch (52) hindurch tritt, in den Innengewindeabschnitt (22a) geschraubt ist;
    wenn die Schraube (40) angezogen ist, der Anschlussabschnitt (51b) relativ zu der Zangenwelle (22) fixiert ist; und
    wenn die Schraube (40) gelöst ist, es zugelassen wird, dass der Anschlussabschnitt (51b) relativ zu der Zangenwelle (22) gedreht wird.
  7. Kämmmaschine nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass
    der Anschlussabschnitt (37, 51) Folgendes aufweist:
    ein Einsetzloch (35a, 36a), in das die Ausgabewelle (28) und die Zangenwelle (22) eingesetzt werden;
    eine Nut (35b, 36b), die das Einsetzloch (35a, 36a) mit der Außenumfangsfläche des Anschlussabschnitts (37, 51) verbindet; und
    ein Schraubenloch (35c, 36c), das senkrecht zu der Nut (35b, 36b) ist,
    eine Befestigungsschraube (41, 42) in das Schraubenloch (35c, 36c) geschraubt ist, und
    wenn die Befestigungsschraube (41, 42) angezogen ist, der Anschlussabschnitt (37, 51) an der Ausgabewelle (28) und der Zangenwelle (22) fixiert ist.
EP20110188544 2010-11-29 2011-11-10 Kämmmaschine Active EP2458045B1 (de)

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JP5853994B2 (ja) * 2013-05-30 2016-02-09 株式会社豊田自動織機 コーマ
CN106480555B (zh) * 2016-12-15 2023-05-02 江苏凯宫机械股份有限公司 精梳机钳板机构
CN106894116B (zh) * 2017-05-08 2023-01-24 辽东学院 可自动调整隔距的梳棉机漏底

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GB856369A (en) * 1957-06-01 1960-12-14 Rieter Joh Jacob & Cie Ag Machines for combing textile fibres
JPH0726254B2 (ja) * 1984-04-04 1995-03-22 株式会社豊田自動織機製作所 コーマ
CH683271A5 (de) * 1991-06-04 1994-02-15 Rieter Ag Maschf Zangenaggregat für eine Kämmaschine.
JPH0734332A (ja) * 1993-07-21 1995-02-03 Hara Shiyokuki Seisakusho:Kk コーマにおけるニッパフレームの揺動方法及び装置
DE19527954A1 (de) * 1995-08-01 1997-02-06 Chemnitzer Spinnereimaschinen Verfahren und Vorrichtung zum Auskämmen des rückseitigen Faserbartes an Kämmaschinen
DE10206605A1 (de) 2002-02-15 2003-08-28 Rieter Ag Maschf Vorrichtung zum Einstellen des Ecartement
CN2540422Y (zh) * 2002-05-27 2003-03-19 高友良 精梳机给棉、梳理机构
CN201627013U (zh) * 2009-12-10 2010-11-10 经纬纺织机械股份有限公司 精梳机可调罗拉隔距的牵伸装置

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CN102560752A (zh) 2012-07-11
EP2458045A1 (de) 2012-05-30

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