CN108866787B - Cloth expanding device for circular knitting machine - Google Patents
Cloth expanding device for circular knitting machine Download PDFInfo
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- CN108866787B CN108866787B CN201811021560.XA CN201811021560A CN108866787B CN 108866787 B CN108866787 B CN 108866787B CN 201811021560 A CN201811021560 A CN 201811021560A CN 108866787 B CN108866787 B CN 108866787B
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- guide
- guide rod
- cloth expanding
- knitting machine
- circular knitting
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- 239000004744 fabric Substances 0.000 title claims abstract description 124
- 238000009940 knitting Methods 0.000 title claims abstract description 33
- 230000007480 spreading Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/88—Take-up or draw-off devices for knitting products
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Of Fabric (AREA)
- Knitting Machines (AREA)
Abstract
The invention provides a cloth expanding device for a circular knitting machine, which is provided with a main cloth expanding ring capable of integrally adjusting the cloth expanding amplitude and an auxiliary cloth expanding ring capable of independently sliding on a guide rod and expanding a knitted fabric along the direction horizontally vertical to the axial line of the guide rod. Meanwhile, the guide rod, the main cloth expanding ring and the auxiliary cloth expanding ring are locked through the locking bolts, so that the cloth expanding device can be quickly and conveniently assembled, disassembled and adjusted.
Description
Technical Field
The invention relates to the field of weaving, in particular to a cloth expanding device for a circular knitting machine.
Background
In the existing circular knitting machines on the market, the knitted fabric formed by spinning is coiled by a drawing and coiling mechanism, a fabric expanding device is arranged in the drawing and coiling mechanism, and the special shape of the fabric expanding device is utilized to expand the tubular knitted fabric and then coil the tubular knitted fabric, so that the bending phenomenon of a stitch course can be improved. However, the conventional fabric spreading device can only perform overall adjustment or unidirectional adjustment when adjusting the width of the knitted fabric, and the tension of the knitted fabric at each position in the transverse direction is not uniform in such a simple adjustment mode, so that the final shape of the knitted fabric is influenced.
Fig. 1 shows a conventional square widening apparatus, in which a knitted fabric is spread in a shape shown in fig. 2 before being rolled up, and an upper portion of the knitted fabric is formed in a cylindrical shape and then the knitted fabric is spread in a square shape by the widening apparatus, so that the knitted fabric spread by the widening apparatus receives different tensions at points (1, 2, and 3 shown in fig. 2) at different positions in a lateral direction, and the degrees of stretch of the fibers of the knitted fabric are different at the points, thereby affecting the final shape of the knitted fabric.
It is seen that improvements and enhancements to the prior art are needed.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a fabric expanding device for a circular knitting machine, which can be adjusted in whole or in part, and aims to solve the problem of uneven tension at each transverse position of a fabric during the whole adjustment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cloth expanding device for a circular knitting machine comprises a shaft sleeve, a first guide rod and a second guide rod which are arranged on the shaft sleeve in an up-down parallel mode, and two groups of cloth expanding rings which are symmetrically arranged on two sides of the shaft sleeve; each group of cloth expanding rings respectively comprises a main cloth expanding ring and an auxiliary cloth expanding ring arranged above the main cloth expanding ring; the main cloth expanding ring and the auxiliary cloth expanding ring are respectively connected with the first guide rod and the second guide rod and can respectively horizontally move along the first guide rod and the second guide rod; the two auxiliary fabric expanding rings are used for expanding the knitted fabric along the direction which is horizontally vertical to the axis of the second guide rod.
In the cloth expanding device for the circular knitting machine, each auxiliary cloth expanding ring comprises a fixed support connected with one end of the second guide rod, two C-shaped strips are oppositely arranged on two sides of the fixed support, adjusting rods are respectively fixed on the two C-shaped strips, the adjusting rods are slidably connected with the fixed support, and the two C-shaped strips can move along the direction which is horizontally vertical to the axis of the second guide rod through the adjusting rods.
In the cloth expanding device for the circular knitting machine, the fixed support is a T-shaped support consisting of a short arm and a long arm, the short arm is provided with through holes matched with the second guide rods in number and shape, and one end of each second guide rod is inserted into the through hole in the short arm; the long arm is provided with through holes matched with the adjusting rods in quantity and shape, and the C-shaped strips are inserted into the through holes in the long arm through the adjusting rods.
In the cloth expanding device for the circular knitting machine, the short arm of the fixed bracket is locked on the second guide rod through a bolt; the number of the adjusting rods on each C-shaped strip is two, and the adjusting rods are locked on the long arm of the fixing support through bolts.
In the cloth expanding device for the circular knitting machine, the main cloth expanding ring comprises a square rod and a circular ring with an opening in the circumferential direction, and two ends of the circular ring are respectively connected with two ends of the square rod; the square rod is provided with through holes matched with the first guide rods in quantity and shape, and one end of each first guide rod is inserted into the through hole in the square rod.
In the cloth expanding device for the circular knitting machine, the square rod is locked on the first guide rod through a bolt.
In the cloth expanding device for the circular knitting machine, two first guide rods and two second guide rods are arranged; the shaft sleeve is provided with two first guide holes corresponding to the first guide rods and two second guide holes corresponding to the second guide rods, and the first guide rods and the second guide rods are respectively inserted into the first guide holes and the second guide holes.
In the cloth expanding device for the circular knitting machine, the first guide rod and the second guide rod are locked on the shaft sleeve through bolts.
Has the advantages that:
the invention provides a cloth expanding device for a circular knitting machine, which is provided with a main cloth expanding ring capable of integrally adjusting the cloth expanding amplitude and an auxiliary cloth expanding ring capable of independently sliding on a guide rod and expanding a knitted fabric along the direction horizontally vertical to the axial line of the guide rod. Meanwhile, the guide rod, the main cloth expanding ring and the auxiliary cloth expanding ring are locked through the locking bolts, so that the cloth expanding device can be quickly and conveniently assembled, disassembled and adjusted.
Drawings
Fig. 1 is a perspective view of a cloth spreading device in the prior art.
Fig. 2 is a profile view of a fabric during spreading by a spreading device in the prior art.
Fig. 3 is a perspective view of the spreading device for a circular knitting machine according to the present invention.
Fig. 4 is a plan view of a sub-spreader ring in the spreader device for a circular knitting machine according to the present invention.
Fig. 5 is a top view of a main fabric expanding ring in the fabric expanding device for a circular knitting machine provided by the invention.
Fig. 6 is a perspective view of a shaft sleeve in the spreading device for a circular knitting machine according to the present invention.
Detailed Description
The invention provides a fabric expanding device for a circular knitting machine, which is further described in detail below by referring to the attached drawings and embodiments in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 3-6, the present invention provides a fabric expanding device for a circular knitting machine, the fabric expanding device includes a shaft sleeve 100, a first guide rod 200 and a second guide rod 300 disposed on the shaft sleeve 100 in a vertical parallel manner, and two groups of fabric expanding rings symmetrically disposed on two sides of the shaft sleeve 100, each group of fabric expanding rings includes a main fabric expanding ring 400 and an auxiliary fabric expanding ring 500 disposed above the main fabric expanding ring; the main cloth spreading ring 400 and the sub cloth spreading ring 500 are respectively connected with the first guide rod 200 and the second guide rod 300 and can respectively horizontally move along the first guide rod 200 and the second guide rod 300; the two auxiliary fabric expanding rings 500 are used for expanding the knitted fabric in a direction horizontally perpendicular to the axis of the second guide bar 300.
The two main fabric expanding rings can horizontally slide along the first guide rod respectively, so that the whole width of the fabric expanding device is adjusted to adapt to the cylindrical knitted fabrics with different sizes, and the whole adjusting function is achieved; the two auxiliary fabric expanding rings can independently move to the position needing to be locally adjusted along the second guide rod respectively, and in addition, the auxiliary fabric expanding rings are used for expanding the knitted fabric along the direction horizontally vertical to the axis of the second guide rod, so that the purpose of locally adjusting the knitted fabric is achieved. Therefore, under the integral adjusting action of the main cloth expanding ring and the local adjusting action of the auxiliary cloth expanding ring, the phenomenon that the tension of the knitted fabric is uneven at different transverse positions when the knitted fabric is expanded by the cloth expanding device is avoided, and the knitted fabric is prevented from deforming.
Further, referring to fig. 3 and 4, in the fabric expanding device for a circular knitting machine, each of the secondary fabric expanding rings 500 includes a fixed bracket 510 connected to one end of the second guide bar 300, two C-shaped strips 520 oppositely disposed at two sides of the fixed bracket 510, an adjusting rod 521 is respectively fixed to the two C-shaped strips 520, the adjusting rod 521 is slidably connected to the fixed bracket 510, and the two C-shaped strips 520 can move along a direction horizontally perpendicular to the axis of the second guide bar 300 through the adjusting rod 510. Namely, the arc convex surfaces of the two C-shaped strips are contacted with the knitted fabric, and the positions of the two C-shaped strips can be horizontally moved by adjusting the adjusting rod when in use, so that the local tension of the knitted fabric contacted with the C-shaped strips is changed.
In this embodiment, the fixing bracket 510 is a T-shaped bracket composed of a short arm 511 and a long arm 512, the short arm 511 is provided with through holes 513 matching with the second guide rods 300 in number and shape, and one end of each second guide rod 300 is inserted into the through hole 513 on the short arm 511; the long arm 512 is provided with through holes 514, the number and the shape of which are matched with those of the adjusting rod 510, and the C-shaped strip 520 is inserted into the through holes 514 of the long arm 512 through the adjusting rod 510. Therefore, the tension of the knitted fabric can be adjusted by the auxiliary expanding cloth ring only by moving the adjusting rod to change the insertion depth of the adjusting rod in the through hole on the long arm, and the adjusting method is simple and quick.
Preferably, the short arm 511 of the fixing bracket 510 is locked to the second guide bar 300 by a bolt 530; the number of the adjusting rods 510 on each C-shaped strip 520 is two, and the adjusting rods are locked on the long arms 512 of the fixing brackets 510 through bolts 540. Through using two regulation poles, can effectively prevent that C shape strip from taking place to rotate to need not consider torsional factor when chooseing for use locking mode. The mode of using bolt locking, it is simple effective, to the fixed bolster and the C shape strip that need often carry out position control, this kind of mode convenient and fast saves time. Preferably, the bolt is a thumb bolt, so that no additional tools are required for adjustment.
Further, referring to fig. 5 and 6, the fabric expanding device for a circular knitting machine, wherein the main fabric expanding ring 400 includes a square rod 410 and a circular ring 420 with an opening in the circumferential direction, and two ends of the circular ring 420 are respectively connected with two ends of the square rod 410; the square rod 410 is provided with through holes 411 matched with the first guide rods 200 in number and shape, and one end of each first guide rod 200 is inserted into the through hole 411 of the square rod 410.
In this embodiment, the square bar 410 is locked to the first guide bar 200 by a bolt.
Choose the mode of bolt locking for use, it is simple effective, to the square pole that needs often carry out position adjustment, this kind of mode convenient and fast saves time. Preferably, the bolt may be a thumb bolt, so that no additional tools are required for adjustment.
Preferably, the fabric expanding device for a circular knitting machine is provided, wherein two first guide rods 200 and two second guide rods 300 are provided; the shaft sleeve 100 is provided with two first guide holes 101 corresponding to the first guide rod 200 and two second guide holes 102 corresponding to the second guide rod 300, and the first guide rod 200 and the second guide rod 300 are respectively inserted into the first guide holes 101 and the second guide holes 102. The first guide bar 200 and the second guide bar 300 are locked to the boss by bolts 103.
Through being connected with two guide arms separately, main cloth ring and the vice cloth ring that expands can not take place to rotate in the use to do not need to consider the torsional factor when chooseing for use the locking mode. Meanwhile, because the axial force on two ends of each guide rod is similar and opposite, the total axial force borne by each guide rod is smaller, and therefore, the bolt 103 is selected for locking, so that the locking reliability can be ensured, the structure is simple, and the assembly and disassembly are convenient.
In the fabric expanding device for a circular knitting machine, the first guide rod, the second guide rod and the adjusting rod may be provided with scale marks, which is beneficial to quantifying the optimal adjusting position of the knitted fabric.
When the fabric expanding device for the circular knitting machine is used, the distance between the two main fabric expanding rings is adjusted according to the amplitude of the knitted fabric and is locked, then the fixed support is moved to the position needing to be locally adjusted and is locked according to the requirement, and finally the position of the C-shaped strip is adjusted according to the required tightness.
In conclusion, the tension adjusting device has the advantages that the tension adjusting device is provided with the main cloth expanding ring capable of integrally adjusting the cloth expanding amplitude and the auxiliary cloth expanding ring capable of independently sliding on the guide rod and expanding the knitted fabric along the direction horizontally vertical to the axial line of the guide rod, so that the tension adjusting capability of the knitted fabric is realized locally, the problem of uneven tension of the knitted fabric at each transverse position can be solved, and meanwhile, the tension adjusting device is simple in structure and convenient to use.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (7)
1. A cloth expanding device for a circular knitting machine is characterized by comprising a shaft sleeve, a first guide rod and a second guide rod which are arranged on the shaft sleeve in an up-down parallel mode, and two groups of cloth expanding rings which are symmetrically arranged on two sides of the shaft sleeve; each group of cloth expanding rings respectively comprises a main cloth expanding ring and an auxiliary cloth expanding ring arranged above the main cloth expanding ring; the main cloth expanding ring and the auxiliary cloth expanding ring are respectively connected with the first guide rod and the second guide rod and can respectively horizontally move along the first guide rod and the second guide rod; the two auxiliary fabric expanding rings are used for expanding the knitted fabric in the direction horizontally perpendicular to the axis of the second guide rod, each auxiliary fabric expanding ring comprises a fixed support connected with one end of the second guide rod, two C-shaped strips are oppositely arranged on two sides of the fixed support, adjusting rods are respectively fixed on the two C-shaped strips, the adjusting rods are slidably connected with the fixed support, and the two C-shaped strips can move in the direction horizontally perpendicular to the axis of the second guide rod through the adjusting rods.
2. The fabric expanding device for the circular knitting machine as claimed in claim 1, wherein the fixing bracket is a T-shaped bracket consisting of a short arm and a long arm, the short arm is provided with through holes matching with the second guide rods in number and shape, and one end of the second guide rod is inserted into the through hole on the short arm; the long arm is provided with through holes matched with the adjusting rods in quantity and shape, and the C-shaped strips are inserted into the through holes in the long arm through the adjusting rods.
3. The fabric expanding device for circular knitting machine according to claim 2, characterized in that the short arm of the fixing bracket is locked to the second guide bar by a bolt; the number of the adjusting rods on each C-shaped strip is two, and the adjusting rods are locked on the long arm of the fixing support through bolts.
4. The cloth expanding device for the circular knitting machine as claimed in claim 1, wherein said main cloth expanding ring comprises a square bar and a circular ring with a circumferential opening, and both ends of said circular ring are respectively connected with both ends of said square bar; the square rod is provided with through holes matched with the first guide rods in quantity and shape, and one end of each first guide rod is inserted into the through hole in the square rod.
5. The cloth expanding device for circular knitting machine as claimed in claim 4, wherein said square bar is locked to said first guide bar by means of a bolt.
6. The cloth expanding device for the circular knitting machine according to any one of claims 1 to 5, wherein there are two of the first guide bar and the second guide bar; the shaft sleeve is provided with two first guide holes corresponding to the first guide rods and two second guide holes corresponding to the second guide rods, and the first guide rods and the second guide rods are respectively inserted into the first guide holes and the second guide holes.
7. The cloth expanding device for a circular knitting machine according to claim 6, wherein said first guide bar and said second guide bar are locked to said hub by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021560.XA CN108866787B (en) | 2018-09-03 | 2018-09-03 | Cloth expanding device for circular knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021560.XA CN108866787B (en) | 2018-09-03 | 2018-09-03 | Cloth expanding device for circular knitting machine |
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| Publication Number | Publication Date |
|---|---|
| CN108866787A CN108866787A (en) | 2018-11-23 |
| CN108866787B true CN108866787B (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811021560.XA Active CN108866787B (en) | 2018-09-03 | 2018-09-03 | Cloth expanding device for circular knitting machine |
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| CN (1) | CN108866787B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115573091B (en) * | 2022-11-07 | 2024-05-03 | 南通郝旺新材料科技有限公司 | Cloth expanding device for circular knitting machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4014187A (en) * | 1973-09-12 | 1977-03-29 | Vyzkumny A Vyvojovy Ustav Zavodu Vseobecneho Strojirenstvi | Fabric spreader for circular knitting machine |
| SU575389A1 (en) * | 1976-03-01 | 1977-10-05 | Научно-Исследовательский Институт По Переработке Искусственных И Синтетических Волокон | Web spreader for a circular knitting machine |
| SU771216A1 (en) * | 1978-08-21 | 1980-10-15 | Научно-Исследовательский Институт По Переработке Искусственных И Синтетических Волокон | Circular-knitting machine web expander |
| GB2079793A (en) * | 1980-06-23 | 1982-01-27 | Textima Veb K | A knitted fabric expander for circular knitting machines |
| CN202865545U (en) * | 2012-08-03 | 2013-04-10 | 徐贤亮 | Fabric rolling machine of scutching and shaping and fabric feeding integrated device |
| CN207243111U (en) * | 2017-08-15 | 2018-04-17 | 皇宝（石狮）实业有限公司 | One kind cuts open cloth and controls machine |
-
2018
- 2018-09-03 CN CN201811021560.XA patent/CN108866787B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4014187A (en) * | 1973-09-12 | 1977-03-29 | Vyzkumny A Vyvojovy Ustav Zavodu Vseobecneho Strojirenstvi | Fabric spreader for circular knitting machine |
| SU575389A1 (en) * | 1976-03-01 | 1977-10-05 | Научно-Исследовательский Институт По Переработке Искусственных И Синтетических Волокон | Web spreader for a circular knitting machine |
| SU771216A1 (en) * | 1978-08-21 | 1980-10-15 | Научно-Исследовательский Институт По Переработке Искусственных И Синтетических Волокон | Circular-knitting machine web expander |
| GB2079793A (en) * | 1980-06-23 | 1982-01-27 | Textima Veb K | A knitted fabric expander for circular knitting machines |
| CN202865545U (en) * | 2012-08-03 | 2013-04-10 | 徐贤亮 | Fabric rolling machine of scutching and shaping and fabric feeding integrated device |
| CN207243111U (en) * | 2017-08-15 | 2018-04-17 | 皇宝（石狮）实业有限公司 | One kind cuts open cloth and controls machine |
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| Publication number | Publication date |
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| CN108866787A (en) | 2018-11-23 |
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Effective date of registration: 20210712 Address after: Building 1, No.55, Shenzhen road, high tech Industrial Park, Changshu Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee after: Suzhou Ningchang Intelligent Technology Co.,Ltd. Address before: No. 130, Shenkeng village, Yanghe Town, Gaoming District, Foshan City, Guangdong Province, 528500 Patentee before: Huang Xueqiao |
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Effective date of registration: 20210910 Address after: Room 107, 1 / F, building 1, No. 11, Chang'an Road, Jinjiang Economic Development Zone, Quanzhou City, Fujian Province 362000 Patentee after: Quanzhou Zhonghong Patent Technology Service Co.,Ltd. Address before: Building 1, No.55, Shenzhen road, high tech Industrial Park, Changshu Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee before: Suzhou Ningchang Intelligent Technology Co.,Ltd. |
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Effective date of registration: 20211012 Address after: 362000 Liu'an Development Zone, Yongchun County, Quanzhou City, Fujian Province (east side of Taoxi bridge) Patentee after: Yongchun County Product Quality Inspection Institute Fujian fragrance product quality inspection center, national incense burning product quality supervision and Inspection Center (Fujian) Address before: Room 107, 1 / F, building 1, No. 11, Chang'an Road, Jinjiang Economic Development Zone, Quanzhou City, Fujian Province 362000 Patentee before: Quanzhou Zhonghong Patent Technology Service Co.,Ltd. |
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