CN110670189A - Outer yarn tension control mechanism and direct twisting machine - Google Patents
Outer yarn tension control mechanism and direct twisting machine Download PDFInfo
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- CN110670189A CN110670189A CN201910945663.3A CN201910945663A CN110670189A CN 110670189 A CN110670189 A CN 110670189A CN 201910945663 A CN201910945663 A CN 201910945663A CN 110670189 A CN110670189 A CN 110670189A
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- magnetic
- inner sleeve
- main shaft
- control mechanism
- tension control
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- 238000004804 winding Methods 0.000 claims abstract description 4
- 238000013016 damping Methods 0.000 claims description 29
- 239000000835 fiber Substances 0.000 claims 5
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/10—Tension devices
- D01H13/108—Regulating tension by regulating speed of driving mechanisms of unwinding, paying-out, forwarding, winding or depositing devices, e.g. automatically in response to variations in tension
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention discloses an outer yarn tension control mechanism, which comprises an outer yarn tensioner, wherein the outer yarn tensioner comprises: the device comprises a main shaft, an adjusting disc, a magnetic inner sleeve, a wire spool and a magnetic piece; the adjusting disc, the magnetic inner sleeve and the wire winding disc are sleeved on the main shaft, the adjusting disc is in rotating fit with the main shaft, and the magnetic inner sleeve and the main shaft are circumferentially kept fixed; the adjusting disc is provided with a threaded section, and the magnetic inner sleeve is in threaded fit with the threaded section and is used for driving the magnetic inner sleeve to move axially along the main shaft; the magnetic part is fixed on the wire spool, and the wire spool rotates relative to the main shaft; the magnetic inner sleeve and the magnetic member are attracted by magnetic force, the distance or the acting area between the magnetic inner sleeve and the magnetic member is changed by the magnetic inner sleeve which moves axially, and the tension of the yarn on the wire spool is adjusted. The invention has simple structure and convenient adjustment, and adjusts the distance or the acting area between the two magnetic parts through the two components adsorbed by the magnetic force, thereby realizing the adjustment of the wire spool on the yarn tension and reducing the energy consumption.
Description
Technical Field
The invention relates to the technical field of textile machinery, in particular to an outer yarn tension control device and a straight twisting machine with the outer yarn tension control mechanism.
Background
The direct twisting machine generally comprises a frame, and a motor, a spindle, an outer yarn tensioner, an inner yarn tensioner, a uniform twisting device, an overfeeding device and a coiling device which are respectively arranged on the frame, wherein the motor is used for driving the spindle to enable the outer yarn to rotate to form a balloon, the spindle comprises a spindle blade, a twisting disc and other components, and the outer yarn sequentially enters the uniform twisting device through the outer yarn tensioner and the spindle.
When two yarns on the straight twisting machine are combined and twisted, the two yarns are respectively led in from two yarn packages, one yarn package is arranged in a rotating spindle, the other yarn passes through a twisting disc of the spindle and passes through the spindle, then the two yarns are combined and enter a uniform twisting device to form an inner yarn and an outer yarn, and the outer yarn can form a balloon in the rotating process of the spindle. Before the yarn is introduced from the twisting disc to the balloon, the outer yarn is at least partially wrapped on the twisting disc, since the size of the wrapping angle formed by wrapping affects the energy consumption and noise of the twisted yarn, the larger the wrapping angle is, the greater the energy consumption and noise are, and the shape of the balloon (mainly the size of the diameter of the balloon) directly affects the size of the wrapping angle.
After the outer yarn rotates along with the spindle to form the balloon, the outer yarn forms a wrapping angle on the twisting disc through tension adjustment to maintain a stable balloon shape, but in the state, the energy consumption of equipment is high, and the noise is high.
For example, patent application publication No. CN200988882 discloses an external yarn tensioner of a direct twisting machine, which comprises a small shaft, a bearing, a magnetic core, a coil and a static magnetic steel shell; the magnetic core is provided with a small shaft, the small shaft is provided with a bearing and is arranged in a pivot, the pivot is provided with a hysteresis loop, a magnetic field air gap is reserved between the hysteresis loop and the static magnetic steel shell as well as the excircle of the magnetic core and is a double-ring magnetic field air gap, and the magnetic core is provided with a coil and is integrated by injection molding; the coil is used to lead out the conducting wire, the rotating pivot is fixed on the small shaft of the magnetic core by a nut and a washer, the static magnetic steel shell is fixed on the magnetic core by a screw, the holding gear is fixed on the rotating pivot head by the inner of the gland and the upper thread of the rotating pivot, the coil supplies power, the magnetic core generates magnetic force, and magnetic damping and resistance torque are formed in the magnetic field air gap between the magnetic core and the magnetic hysteresis loop as well as between the magnetic core and the static magnetic steel shell.
Also, patent application publication No. CN102212905B provides a method for saving energy by reducing balloon shape in the operating state of a direct twisting machine, which relates to a method for adjusting tension of outer yarn by controlling an outer yarn tensioner, comprising the steps of: A. the motor drives the spindle to enable the outer yarn to rotate to form a balloon; B. after the balloon is formed, the control device is used for adjusting the tension through the outer yarn tensioner, so that the wrapping angle alpha of the outer yarn surrounding the yarn storage disc is gradually reduced to 0 degree, and the effect of reducing the balloon is achieved.
The existing external yarn tensioner generally adopts an electromagnetic structure, changes the electromagnetic magnitude by changing the current magnitude, and further changes the yarn tension; inconvenient adjustment and high energy consumption and noise.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an outer yarn tension control device and a straight twisting machine with the outer yarn tension control mechanism.
The invention adopts the following specific technical scheme:
an outer yarn tension control mechanism including an outer yarn tensioner comprising: the device comprises a main shaft, an adjusting disc, a magnetic inner sleeve, a wire spool and a magnetic piece;
the adjusting disc, the magnetic inner sleeve and the wire winding disc are sleeved on the main shaft, the adjusting disc is in rotating fit with the main shaft, and the magnetic inner sleeve and the main shaft are circumferentially kept fixed;
the adjusting disc is provided with a threaded section, and the magnetic inner sleeve is in threaded fit with the threaded section and is used for driving the magnetic inner sleeve to move axially along the main shaft;
the magnetic part is fixed on the wire spool, and the wire spool rotates relative to the main shaft;
the magnetic inner sleeve and the magnetic member are attracted by magnetic force, the distance or the acting area between the magnetic inner sleeve and the magnetic member is changed by the magnetic inner sleeve which moves axially, and the tension of the yarn on the wire spool is adjusted.
Compared with an electromagnetic structure in the prior art, the electromagnetic type electromagnetic energy-saving device can reduce the energy consumption of electricity by manually rotating the adjusting disc.
The adjusting disc can freely rotate relative to the main shaft, the adjusting disc rotates, the magnetic inner sleeve matched with the adjusting disc in a threaded mode moves along the axial direction of the main shaft, the distance between the magnetic inner sleeve and the magnetic part on the wire spool or the acting area of the magnetic inner sleeve changes, namely, the magnetic force acted by the magnetic inner sleeve and the magnetic part is changed, the constraint force borne by the wire spool changes, and the tension of outer yarns on the wire spool can be adjusted.
The magnetic inner sleeve and the main shaft are circumferentially kept fixed, specifically, the magnetic inner sleeve and the main shaft are fixed through a polygonal positioning portion in the middle of the main shaft, and a polygonal through hole is formed in the middle of the magnetic inner sleeve to limit the rotation of the magnetic inner sleeve relative to the main shaft.
Preferably, the end of the main shaft is provided with threads and a positioning seat, and the positioning seat is provided with a flange for fixing.
The outer yarn tension device is fixedly arranged on corresponding textile equipment, such as a direct twisting machine, a doubling machine and the like, through the flange plate on the positioning seat.
Preferably, the adjusting disc comprises an inner cylinder, the main shaft passes through the inner cylinder, and the outer wall surface of the inner cylinder is provided with external threads to form the thread section.
Preferably, the adjusting disc further comprises an outer rotating disc fixedly connected with the inner cylinder, and the magnetic inner sleeve is arranged between the inner cylinder and the outer rotating disc.
In the invention, the adjusting disc comprises an inner cylinder and an outer rotating disc, wherein the inner cylinder is used for matching with the magnetic inner sleeve, and the outer rotating disc is used for manually rotating.
Preferably, a damping mechanism is arranged between the adjusting disc and the magnetic inner sleeve.
The damping mechanism can increase the movable resistance between the adjusting disc and the magnetic inner sleeve, so that the magnetic inner sleeve is prevented from moving under the condition of no external force, and the accuracy of tension adjustment is improved.
Preferably, the damping mechanism comprises a damping groove arranged in the magnetic inner sleeve in a circular array manner, and a damping protrusion arranged on the adjusting disc and matched with the damping groove.
Preferably, the magnetic inner sleeve comprises an inner sleeve body and a magnet fixed outside the inner sleeve body, the inner sleeve body is provided with an annular groove, and the wall of the groove is provided with the damping groove;
the adjusting plate is provided with a bottom plate extending into the damping groove, and one side of the bottom plate facing the damping groove is provided with the damping protrusion.
Preferably, the wire spool is mounted at the end part of the spindle through a bearing assembly, a first wire clamping piece and a second wire clamping piece are fixed outside the wire spool, and the opposite surfaces of the first wire clamping piece and the second wire clamping piece are provided with staggered convex teeth.
The staggered convex teeth are utilized to increase the frictional resistance between the yarn and the wire spool, so that the yarn has certain tension, and the tension of the outer yarn can be adjusted by adjusting the rotation resistance of the wire spool, namely the magnetic force of the magnetic inner sleeve and the magnetic part.
Preferably, the opposite surfaces of the first wire clamping piece and the second wire clamping piece are provided with supporting wire plates; and the wire spool is also fixedly provided with an end cover for pressing the first wire clamping piece and the second wire clamping piece through threads.
The invention also provides a direct twisting machine, and the external yarn tension control mechanism is arranged on the direct twisting machine.
The invention has simple structure and convenient adjustment, and adjusts the distance or the acting area between the two magnetic parts through the two components adsorbed by the magnetic force, thereby realizing the adjustment of the wire spool on the yarn tension and reducing the energy consumption.
Drawings
FIG. 1 is a block diagram of an outer yarn tensioner in the present application;
FIG. 2 is another block diagram of the outer yarn tensioner of the present application;
FIG. 3 is a cross-sectional view of an outer yarn tensioner;
FIG. 4 is a block diagram of the dial;
FIG. 5 is a structural view of the magnetic inner sleeve;
fig. 6 is a structural view of a yarn winding and clamping sheet.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The outer yarn tension control mechanism as shown in fig. 1-6 comprises an outer yarn tensioner 100, wherein the outer yarn tensioner 100 mainly comprises a main shaft 105, an adjusting disc 103, a magnetic inner sleeve 108, a wire spool 102 and a magnetic member 110.
The adjusting disc 103, the magnetic inner sleeve 108 and the wire spool 102 are sleeved on the main shaft 105, the adjusting disc 103 is in running fit with the main shaft 105, and the magnetic inner sleeve 108 and the main shaft 105 are fixed in the circumferential direction; the adjusting disk 103 is provided with a threaded section 107, and a magnetic inner sleeve 108 is in threaded fit with the threaded section 107 and used for driving the magnetic inner sleeve 108 to move axially along the main shaft 105; the magnetic member 110 is fixed on the wire spool 102, and the wire spool 102 rotates relative to the main shaft; the magnetic inner sleeve 108 is attracted to the magnetic member 110 by magnetic force, and the distance or the acting area between the magnetic inner sleeve 108 and the magnetic member 110 is changed by the magnetic inner sleeve 108 moving axially, so that the tension of the yarn on the wire spool 102 is adjusted.
Compared with the electromagnetic structure in the prior art, the present embodiment can reduce the power consumption by manually rotating the adjusting plate 103. The adjusting disc can freely rotate relative to the main shaft, the adjusting disc rotates, the magnetic inner sleeve matched with the adjusting disc in a threaded mode moves along the axial direction of the main shaft, the distance between the magnetic inner sleeve and the magnetic part on the wire spool or the acting area of the magnetic inner sleeve changes, namely, the magnetic force acted by the magnetic inner sleeve and the magnetic part is changed, the constraint force borne by the wire spool changes, and the tension of outer yarns on the wire spool can be adjusted.
The magnetic inner sleeve 108 and the main shaft 105 are circumferentially fixed, specifically, the magnetic inner sleeve is fixed by a polygonal positioning portion at the middle of the main shaft 105, and a polygonal through hole is formed in the middle of the magnetic inner sleeve to limit the rotation of the magnetic inner sleeve relative to the main shaft.
The end of the main shaft 105 is threaded and provided with a positioning seat 101 having a flange 104 for fixing. The outer yarn tension device is fixedly arranged on corresponding textile equipment, such as a direct twisting machine, a doubling machine and the like, through the flange plate on the positioning seat.
As shown in fig. 4, the adjusting disk 103 includes a hollow inner cylinder 113, the main shaft 105 passes through the inner cylinder 103, and the outer wall surface of the inner cylinder 103 is provided with an external thread to form the thread section 107; an outer turnplate 106 fixedly connected with the inner cylinder 103, and the magnetic inner sleeve 108 is arranged between the inner cylinder 103 and the outer turnplate 108.
In this embodiment, a damping mechanism is disposed between the adjusting disk 103 and the magnetic inner sleeve 108, so that the moving resistance between the adjusting disk and the magnetic inner sleeve can be increased, the magnetic inner sleeve is prevented from moving without external force, and the accuracy of tension adjustment is improved.
As shown in fig. 5, the damping mechanism includes a damping groove 116 disposed in the magnetic inner sleeve 108, and a damping protrusion 115 disposed on the adjustment disk 103 and engaged with the damping groove 116. The magnetic inner sleeve 108 comprises an inner sleeve body and a magnet fixed outside the inner sleeve body, wherein an annular groove is formed in the inner sleeve body, and the wall of the groove is provided with the damping groove 116; the adjusting disc 103 is provided with a bottom plate 114 extending into the damping groove, and one surface of the bottom plate 114 facing the damping groove is provided with the damping protrusion 115.
In this embodiment, the magnet and the magnetic member are both permanent magnets.
As shown in fig. 6, the wire spool 102 is mounted at the end of the main shaft 105 through a bearing assembly 112, a first wire clamping piece 117 and a second wire clamping piece 118 are fixed outside the wire spool 102, and the opposite surfaces of the first wire clamping piece 117 and the second wire clamping piece 118 are provided with staggered convex teeth 120. The friction resistance between the yarn and the spool is increased by the staggered convex teeth 120, so that the yarn has certain tension, and the tension of the outer yarn can be adjusted by adjusting the rotation resistance of the spool, namely the magnetic force of the magnetic inner sleeve and the magnetic member. In addition, the opposite surfaces of the first yarn clamping piece 117 and the second yarn clamping piece 118 are provided with supporting line plates 119 for preventing yarns from being clamped into the two yarn clamping pieces to extend out; the wire spool 102 is further fixed with an end cap 111 pressing the first wire clamping piece 117 and the second wire clamping piece 118 through threads.
In another embodiment, the direct twisting machine is further disclosed, and the outer yarn tension control mechanism is mounted on the direct twisting machine.
The above description is only exemplary of the preferred embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An outer yarn tension control mechanism comprising an outer yarn tensioner, characterized in that the outer yarn tensioner comprises: the device comprises a main shaft, an adjusting disc, a magnetic inner sleeve, a wire spool and a magnetic piece;
the adjusting disc, the magnetic inner sleeve and the wire winding disc are sleeved on the main shaft, the adjusting disc is in rotating fit with the main shaft, and the magnetic inner sleeve and the main shaft are circumferentially kept fixed;
the adjusting disc is provided with a threaded section, and the magnetic inner sleeve is in threaded fit with the threaded section and is used for driving the magnetic inner sleeve to move axially along the main shaft;
the magnetic part is fixed on the wire spool, and the wire spool rotates relative to the main shaft;
the magnetic inner sleeve and the magnetic member are attracted by magnetic force, the distance or the acting area between the magnetic inner sleeve and the magnetic member is changed by the magnetic inner sleeve which moves axially, and the tension of the yarn on the wire spool is adjusted.
2. The mantle fiber tension control mechanism of claim 1, wherein said spindle is threaded at an end thereof and includes a retainer having a flange for attachment thereto.
3. The mantle fiber tension control mechanism of claim 1, wherein said adjustment disc comprises an inner cylinder through which said main shaft extends, an outer wall of said inner cylinder being externally threaded to form said threaded section.
4. The mantle fiber tension control mechanism of claim 3, wherein said adjustment disc further comprises a mantle disk fixedly attached to an inner cylinder, said magnetic inner sleeve being mounted between said inner cylinder and said mantle disk.
5. The mantle fiber tension control mechanism of claim 1, wherein a damping mechanism is disposed between said adjustment disc and said magnetic inner sleeve.
6. The mantle fiber tension control mechanism of claim 5, wherein said damping mechanism includes a damping groove disposed in a magnetic inner sleeve and a damping protrusion disposed on said adjustment disc and engaging said damping groove.
7. The mechanism of claim 6, wherein said magnetic inner sleeve includes an inner sleeve body and a magnet fixed outside said inner sleeve body, said inner sleeve body having an annular groove, said damping groove being formed in a wall of said inner sleeve body;
the adjusting plate is provided with a bottom plate extending into the damping groove, and one side of the bottom plate facing the damping groove is provided with the damping protrusion.
8. The over-yarn tension control mechanism as claimed in claim 1 wherein said spool is mounted to the spindle end by a bearing assembly, said spool having secured thereto first and second thread gripping members, said first and second thread gripping members having opposed faces provided with offset teeth.
9. The warp tension control mechanism as claimed in claim 8, wherein said first and second thread gripping members have support thread plates on opposite sides thereof; and the wire spool is also fixedly provided with an end cover for pressing the first wire clamping piece and the second wire clamping piece through threads.
10. A direct twisting machine, characterized in that the direct twisting machine is provided with an outer yarn tension control mechanism as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910945663.3A CN110670189A (en) | 2019-09-30 | 2019-09-30 | Outer yarn tension control mechanism and direct twisting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910945663.3A CN110670189A (en) | 2019-09-30 | 2019-09-30 | Outer yarn tension control mechanism and direct twisting machine |
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| Publication Number | Publication Date |
|---|---|
| CN110670189A true CN110670189A (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910945663.3A Pending CN110670189A (en) | 2019-09-30 | 2019-09-30 | Outer yarn tension control mechanism and direct twisting machine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1550749A2 (en) * | 2004-01-03 | 2005-07-06 | Saurer GmbH & Co. KG | Device for regulating the thread tension in a twisting machine, in particular in a two-for-one twisting spindle |
| CN2816068Y (en) * | 2005-07-05 | 2006-09-13 | 李海滨 | Tension roller |
| CN201901743U (en) * | 2010-11-26 | 2011-07-20 | 浙江凯成纺织机械有限公司 | Outer yarn tensioner |
| CN202359268U (en) * | 2011-04-07 | 2012-08-01 | 李海燕 | Internal yarn tensioner of permanent-magnet straight twisting machine |
| WO2012167737A1 (en) * | 2011-06-10 | 2012-12-13 | 宜昌经纬纺机有限公司 | Twisting machine and method for adjusting outer yarn tension in same |
| CN211595889U (en) * | 2019-09-30 | 2020-09-29 | 浙江天竺纺机有限公司 | Outer yarn tension control mechanism and direct twisting machine |
-
2019
- 2019-09-30 CN CN201910945663.3A patent/CN110670189A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1550749A2 (en) * | 2004-01-03 | 2005-07-06 | Saurer GmbH & Co. KG | Device for regulating the thread tension in a twisting machine, in particular in a two-for-one twisting spindle |
| CN2816068Y (en) * | 2005-07-05 | 2006-09-13 | 李海滨 | Tension roller |
| CN201901743U (en) * | 2010-11-26 | 2011-07-20 | 浙江凯成纺织机械有限公司 | Outer yarn tensioner |
| CN202359268U (en) * | 2011-04-07 | 2012-08-01 | 李海燕 | Internal yarn tensioner of permanent-magnet straight twisting machine |
| WO2012167737A1 (en) * | 2011-06-10 | 2012-12-13 | 宜昌经纬纺机有限公司 | Twisting machine and method for adjusting outer yarn tension in same |
| CN211595889U (en) * | 2019-09-30 | 2020-09-29 | 浙江天竺纺机有限公司 | Outer yarn tension control mechanism and direct twisting machine |
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