US3892064A - Device for compensating changes in roving winding tension in spinning machine - Google Patents

Device for compensating changes in roving winding tension in spinning machine Download PDF

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Publication number
US3892064A
US3892064A US469886A US46988674A US3892064A US 3892064 A US3892064 A US 3892064A US 469886 A US469886 A US 469886A US 46988674 A US46988674 A US 46988674A US 3892064 A US3892064 A US 3892064A
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US
United States
Prior art keywords
belt
cam surface
link mechanism
roving
guide means
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.)
Expired - Lifetime
Application number
US469886A
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English (en)
Inventor
Eijiro Araki
Mitsuo Mori
Toshio Morishita
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
Original Assignee
Toyoda Automatic Loom Works Ltd
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 Toyoda Automatic Loom Works Ltd filed Critical Toyoda Automatic Loom Works Ltd
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Publication of US3892064A publication Critical patent/US3892064A/en
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/20—Driving or stopping arrangements
    • D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
    • D01H1/26—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles with two or more speeds; with variable-speed arrangements

Definitions

  • a device for compensating changes in roving winding y p tension comprises a link mechanism having at least [52] U S 57/96 two elements and disposed to connect a belt shift for [Si] Int. Cl. D01h 1/26; DOlh 1/36 a a moving capable, [58] Field of Search H 57/92 93 96 98 99 lntermtttent movement at a constant pitch.
  • the link mechanism is moved by the moving member along a 57/!02 242/26.l 26.2 26.5
  • winding of rovings is generally performed by utilizing the difference in rotation rate between a flyer and a bobbin, and it is necessary to reduce this difference of the rotation rate with increase of the bobbin diameter.
  • a pair of cone drums are generally employed and they are so disposed that the rotation rate of the bobbin is changed appropriately. More specifically, since the roving winding tension is generally fixed under certain conditions, the cone drums having a certain diameter-length curve. which enables maintenance of this winding tension, are employed.
  • the rovings to be treated in one flyer frame are not always under the same conditions. but in general. various rovings different in winding conditions have to be treated.
  • winding of rovings is generally performed by utilizing the difference in rotation rate between a flyer and a bobbin. Accordingly, it is necessary to reduce this difference of the rotation rate with increase of the bobbin diameter.
  • the bobbin is driven through one of a pair of cone drums around which a belt is disposed and the rotation rate of the bobbin is changed by changing the belt position.
  • the device of this invention for compensating changes in roving winding tension for use with a spinning machine comprises a link mechanism having at least two elements and disposed to connect a belt shift for moving a belt with a moving member capable of intermittent movement at a constant pitch.
  • the link mechanism is moved by the moving member along a fixed guide member having a cam surface while part thereof is engaging the cam surface of said fixed guide member.
  • the constant pitch intermittent movement of the moving member causes a desired movement of the belt.
  • FIG. 1 is a perspective view showing a bobbin driving system of a spinning machine provided with the device of this invention for compensating changes in roving winding tension;
  • FIG. 2 is a view showing the front of the bobbin driving system of FIG. 1 in roving winding operation
  • FIG. 3 is a perspective view showing the main parts of another embodiment of the device of this invention.
  • FIG. 1 of the drawing a device constructed in accordance with the principles of this invention is illustrated therein.
  • the device is in the state that the winding of a roving has been completed.
  • a belt 3 is stretched around a driving cone drum 1 and a driven cone drum 2 and its position on the drums l and 2 is held by an upper frame 4 and a lower frame 5.
  • a member 6 for connecting both the frames 4 and 5 is connected to one end of a belt shifter 7.
  • the belt 3 is allowed to slide on the cone drums l and 2 by movement of the belt shifter 7 so that the rotation rate of a bobbin (not shown) connected with the cone drum 2 is gradually reduced.
  • the other end of the belt shifter 7 is connected to one element of a link mechanism, which comprises two link elements 8 and 9, in a manner allowing the element 8 to turn.
  • a roller 18 is supported for rotation on a pin 17, which serves to pivotably connect one element with the other.
  • the link element 9 is turnably connected to a moving member or a rack 10.
  • this rack is engaged with a pinion 13 mounted on a rotary shaft 12, the pinion 13 being rotated in a known manner by lowering of a weight 11.
  • Intermittent movement of the pinion I3 is provided by an arrangement comprising ratchets l6, and ratchet wheel connected with the shaft 12 through a train of relatively small gears 14. Therefore, the rack 10 is intermittently moved toward the left, as shown by an arrow in FIG. 2, by intermittent movement of the pinion 13.
  • An L-shaped plate 19 is fixed to the machine frame substantially above the rack 10, and a plurality of positioning means or bolts are adjustably mounted on the horizontal portion of the L-shaped plate 19 and the lower end of each bolt 20 is fixed to the upper surface of a flexible guide plate 21. Accordingly, various cam surfaces are selectively formed on the lower surface of the guide plate 21 by adjusting appropriately the positions of the bolts 20.
  • the lower surface of the guide plate 21 is always in contact with the roller 18, and the latter is successively rolled on the lower surface of the guide plate 21 with movement of the rack 10.
  • a spring 26 is stretched between pins for connecting respectively the belt shifter 7 and the rack 10 to the link mechanism to prevent further expansion of the elements 8 and 9 of the link mechanism when the rack 10 is returned to the position of initiation of winding after completion of one winding cycle.
  • further expansion of the link elements 8 and 9 can also be effectively controlled, if another guide plate designed to have likewise a cam surface is disposed to form a groove-like path in which the rotary roller 18 is engaged.
  • further expansion of the link elements is restricted by the lower and upper cam surfaces; and hence, provision of the spring 26 is not absolutely necessary in the device of this invention.
  • the link mechanism need not indispensably be of the two-element construction, but it may be, for example, of the four-element construction.
  • a screw rod or the like can be used instead of a combination of the rack 10 and pinion 13 for movement of the belt shifter 7.
  • cam surface of the guide plate is adjusted in correspondence with the conditions of the roving to be wound, it is also possible according to the invention to select a proper guide plate depending on the spinning conditions from an assortment of guide plates each having a cam surface previously adapted to respective spinning conditions.
  • brackets 23 each having an adjustment long slot or hole 22 are fixedly secured to the machine frame and respective connecting pins 25 provided to the ends of connected link elements 24 are adjustably fitted in corresponding holes 22 in a conventional manner.
  • connecting pins 25 are appropriately adjusted, various cam surfaces can be formed on the surface of each link element 24 as in the foregoing embodiment.
  • the belt shifter 7 can move the belt 3 with a displacement smaller or larger than that of the rack 10, resulting in obtaining good wound rovings.
  • the guide means comprises a link mechanism including three link elements, but the number of the link elements can be increased or decreased according to the need.
  • the roller 18 forming part of the link mechanism is engaged with the guide means composed of the guide plate 21 or the guide links 24, but another part of the link mechanism can be engaged with the guide means.
  • the fitting position of the guide means is not limited to the position above or below the link elements 8 and 9 but it may be located at a position lateral to these link elements. In other words, it is sufficient if the guide member is disposed at a position apart by a certain distance from the movement locus of the link elements 8 and 9 so that it is engaged with at least a part of the link mechanism including the link elements 8 and 9.
  • the integral fixation of the belt shifter and rack which is generally adopted in the conventional devices, is separated and divided and both the separated members are connected with each other through a link mechanism including at least two link elements, and concurrently, a guide means forming a cam surface at a position apart by a certain distance from the movement locus of the link elements is disposed so that it is engaged with the link mechanism.
  • a guide means forming a cam surface at a position apart by a certain distance from the movement locus of the link elements is disposed so that it is engaged with the link mechanism.
  • the device of this invention is easily applicable to the conventional flyer frames if only minor modifications are made. and the changes of the roving winding tension can be compensated easily at any time with use of the device of this invention which has a very simple structure as compared with the conventional device. Thus. various advantages can be attained by the device of this invention.
  • a device for compensating changes in roving winding tension in a spinning machine comprising a pair of cone drums mounted for rotation in said spinning machine, a belt-like member stretched around said cone drums to transmit rotation of one of said cone drums to the other. a belt shifter associated with said belt-like member to move said belt-like member along the length of said cone drums, a moving member capable of movement to energize said belt shifter, a link mechanism including at least two link elements pivotably connected together. said belt shifter being connected through said link elements with said moving member,
  • guide means having a cam surface at a position apart by a predetermined distance from the movement locus of said link mechanism. a part of said link mechanism being engaged with the cam surface of said guide means so that the movement of said moving member is transferred to said belt shifter while being subject to the influence of said cam surface.
  • said guide means is composed of a link mechanism including a plurality of members, and every two adjacent members are pivotably connected to each other, and individual members are supported so that their positions are changed with respect to said link mechanism connecting said belt shifter with said moving member.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
US469886A 1973-05-25 1974-05-14 Device for compensating changes in roving winding tension in spinning machine Expired - Lifetime US3892064A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48058933A JPS5248652B2 (fr) 1973-05-25 1973-05-25

Publications (1)

Publication Number Publication Date
US3892064A true US3892064A (en) 1975-07-01

Family

ID=13098620

Family Applications (1)

Application Number Title Priority Date Filing Date
US469886A Expired - Lifetime US3892064A (en) 1973-05-25 1974-05-14 Device for compensating changes in roving winding tension in spinning machine

Country Status (6)

Country Link
US (1) US3892064A (fr)
JP (1) JPS5248652B2 (fr)
CH (1) CH569806A5 (fr)
DE (1) DE2425174B2 (fr)
FR (1) FR2230761B1 (fr)
GB (1) GB1443648A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134253A (en) * 1977-04-01 1979-01-16 Aichi Spinning Co., Ltd. Method and apparatus for winding roving with constant tension on bobbin on bobbin-lead type roving frame
US4375744A (en) * 1979-09-28 1983-03-08 Rieter Machine Works Ltd. Apparatus for controlling the rotational speed of the spindles of a spinning preparatory machine
US4551969A (en) * 1983-08-02 1985-11-12 Howa Kogyo Kabushiki Kaisha Apparatus for controlling the winding speed of roving in roving frame
US4698957A (en) * 1985-01-25 1987-10-13 Veb Kombinat Textima Method of controlling a roving machine having a decentralized drive system
CN110629333A (zh) * 2019-09-30 2019-12-31 赛特环球机械（青岛）有限公司 粗纱机上下龙筋锭带传动装置及粗纱机

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4971341U (fr) * 1972-09-29 1974-06-20
JPS4999650U (fr) * 1972-12-22 1974-08-28
JPS5386842A (en) * 1977-01-06 1978-07-31 Sanyuu Bouki Seisakushiyo Kk Device for adjusting tension of yarn in spinning machine
DD222362B5 (de) * 1983-11-25 1994-05-05 Grossenhainer Textilmaschinen Verfahren zur Vorgarnspannungsregelung an Vorspinnmaschinen mit Einzelantrieben
JPS633997U (fr) * 1986-06-27 1988-01-12
JPS63178986A (ja) * 1987-01-12 1988-07-23 渋谷工業株式会社 容器洗滌装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US551924A (en) * 1895-12-24 Island
US1480916A (en) * 1921-10-11 1924-01-15 Provencher Norven Fly frame
US1846715A (en) * 1927-11-16 1932-02-23 Gegauff Charles Fly frame
US1878533A (en) * 1929-02-23 1932-09-20 James C Nunnally Knock-off mechanism for slubbers and roving frames
US2374832A (en) * 1942-12-01 1945-05-01 H & B American Machine Company Roving frame
US2870597A (en) * 1957-05-09 1959-01-27 Saco Lowell Shops Roving frame builder mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US551924A (en) * 1895-12-24 Island
US1480916A (en) * 1921-10-11 1924-01-15 Provencher Norven Fly frame
US1846715A (en) * 1927-11-16 1932-02-23 Gegauff Charles Fly frame
US1878533A (en) * 1929-02-23 1932-09-20 James C Nunnally Knock-off mechanism for slubbers and roving frames
US2374832A (en) * 1942-12-01 1945-05-01 H & B American Machine Company Roving frame
US2870597A (en) * 1957-05-09 1959-01-27 Saco Lowell Shops Roving frame builder mechanism

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134253A (en) * 1977-04-01 1979-01-16 Aichi Spinning Co., Ltd. Method and apparatus for winding roving with constant tension on bobbin on bobbin-lead type roving frame
US4375744A (en) * 1979-09-28 1983-03-08 Rieter Machine Works Ltd. Apparatus for controlling the rotational speed of the spindles of a spinning preparatory machine
US4551969A (en) * 1983-08-02 1985-11-12 Howa Kogyo Kabushiki Kaisha Apparatus for controlling the winding speed of roving in roving frame
US4698957A (en) * 1985-01-25 1987-10-13 Veb Kombinat Textima Method of controlling a roving machine having a decentralized drive system
CN110629333A (zh) * 2019-09-30 2019-12-31 赛特环球机械（青岛）有限公司 粗纱机上下龙筋锭带传动装置及粗纱机
CN110629333B (zh) * 2019-09-30 2020-10-30 赛特环球机械（青岛）有限公司 粗纱机上下龙筋锭带传动装置及粗纱机

Also Published As

Publication number Publication date
JPS505628A (fr) 1975-01-21
GB1443648A (en) 1976-07-21
CH569806A5 (fr) 1975-11-28
DE2425174A1 (de) 1974-12-12
FR2230761A1 (fr) 1974-12-20
FR2230761B1 (fr) 1978-08-04
DE2425174B2 (de) 1976-07-08
JPS5248652B2 (fr) 1977-12-12

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