CN115573088A - Sinker structure - Google Patents
Sinker structure Download PDFInfo
- Publication number
- CN115573088A CN115573088A CN202211332596.6A CN202211332596A CN115573088A CN 115573088 A CN115573088 A CN 115573088A CN 202211332596 A CN202211332596 A CN 202211332596A CN 115573088 A CN115573088 A CN 115573088A
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- CN
- China
- Prior art keywords
- sinker
- piece
- arc
- line
- needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 125000006850 spacer group Chemical group 0.000 claims abstract description 24
- 238000009940 knitting Methods 0.000 claims abstract description 19
- 230000003139 buffering effect Effects 0.000 claims abstract description 16
- 230000007704 transition Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 7
- 238000009941 weaving Methods 0.000 description 4
- 238000002788 crimping Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
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
- D04B15/06—Sinkers
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention relates to the field of flat knitting machines, in particular to a sinker structure which is formed by matching a sinker and a spacer, wherein the sinker comprises: the supporting part is a connecting position of the sinker and the spacer; the needle butt part is driven by the driving mechanism, and the whole part from the needle butt part to the supporting part is in a straight line; the wire pressing part is integrally of an arc-shaped structure, and a transition part is arranged between the wire pressing part and the supporting part; the buffering part is arranged between the line pressing part and the transition part, the buffering part is integrally of a V-shaped structure, the pressed end of the buffering part is positioned at the V-shaped opening, and the bent end of the buffering part is positioned at the joint of the needle heel part and the supporting part; when the sinker is lifted, the V-shaped opening of the buffer piece is limited by the spacing piece and is gradually compressed; when the sinker sinks, the V-shaped opening of the buffer piece is gradually opened. After adopting above-mentioned technical scheme for the sinker of this application can provide more stable operating characteristics for current sinker structure.
Description
Technical Field
The invention relates to the field of flat knitting machines, in particular to a sinker structure.
Background
The sinker is an accessory for textile machinery, and is arranged beside each knitting needle on a double-needle bed of a computerized flat knitting machine, the sinkers are arranged on a spacer and are isolated from each other by the spacer, and the sinkers control an old loop and a new yarn on each knitting needle to assist the knitting needles to withdraw loops, can be rotatably opened relative to a needle bed port and are released to form loops.
The sinker is generally arranged between knitting needles on a needle bed of a flat knitting machine, and performs swing displacement with a vicinity of a needle plate hole side of the needle bed as a fulcrum, and a cam mechanism arranged on a carriage is used for driving a push piece to drive a butt part to enter the needle plate hole or withdraw from the needle plate hole. The existing sinker is mostly provided with a buffer part, so that the yarn pressing part of the sinker always keeps a flexible pressure to enable an old coil to be in a pressed state, and the problems of coil breakage and the like caused by rigid pressure coil pressing can be avoided.
As in the prior patent applied by seiko corporation:
CN1938467A flatbed knitting machine movable sinker device and sinker (hereinafter referred to as D1);
CN101091011A is a weft knitting machine (hereinafter referred to as D2) provided with movable sinkers;
CN101490324A movable sinker and a flat knitting machine (hereinafter referred to as D3);
buffer members (wire springs 18 in D1, wire springs 19 in D2, hairsprings 3 in D3) are provided, which may be of one-piece or split construction with the sinker, wherein it is also mentioned in paragraph 0007 of the background art of D3 that "in the construction in which the sinker member 2 and hairsprings 3 are split as shown in fig. 5 (a), as shown by the solid lines, the relationship between the amount of displacement and the load is within the range of the application load in which the knitting yarn is properly pressed down. As shown in fig. 5 (b), if the torsion spring portion 6 is assumed to be formed integrally, the gap s and the width w must be larger than those of the divided bodies. If the clearance s is increased, the wire of the torsion spring portion 6 is shorter than the hairspring 3. When the torsion spring portion 6 shares the bending deformation with the entire wire length, if the wire length is shortened, the bending load shared by each portion increases. If width w increases, the cross-sectional moment of inertia of torsion spring portion 6 becomes larger than that of balance spring 3, and a large bending force is required for the same bending deformation. As a result, as indicated by the two-dot chain line, the load with respect to the displacement amount may be shifted to a large side and may exceed the use load range. Further, the strength limit of the spring material is exceeded, and the torsion spring portion 6 may be damaged. "
However, the structures of the sinker and the buffer member in the above-mentioned prior applications are substantially the same: the whole structure of the sinker is an S-shaped structure, the pivot point of the sinker is also the point of the swing support 16b in the D2 located in the S-bend, the whole buffer is a U-shaped structure, the pressed end and the connection point of the buffer are located in the U-shaped opening, the width of the bending portion is greater than or equal to the U-shaped opening, and the whole strength and stability of the sinker are not ideal.
Therefore, the inventors further studied this and developed a sinker structure, which is the result of this.
Disclosure of Invention
The object of the present invention is to provide a sinker structure which provides more stable running performance compared to existing sinker structures.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a sinker structure formed by cooperation of a sinker and a spacer, wherein the sinker comprises:
the supporting part is a connecting position of the sinker and the spacing piece;
the needle butt part is driven by the driving mechanism, and the whole part from the needle butt part to the supporting part is in a straight line;
the wire pressing part is integrally of an arc-shaped structure, and a transition part is arranged between the wire pressing part and the supporting part;
the buffering part is arranged between the line pressing part and the transition part, the buffering part is integrally of a V-shaped structure, the pressed end of the buffering part is positioned at the V-shaped opening, and the bent end of the buffering part is positioned at the joint of the needle heel part and the supporting part;
when the sinker is lifted, the V-shaped opening of the buffer piece is limited by the spacing piece and gradually compressed;
when the sinker sinks, the V-shaped opening of the buffer piece is gradually opened.
Compared with the buffering member in the prior art, the buffering member with the V-shaped structure has the advantages that the bending part is narrower, the buffering member is not easy to deform when being pressed, the V-shaped opening is easier to reset, and compared with the U-shaped buffering member in the prior art, the stability is higher, and the service life is longer; the linear layout among the needle heel part, the supporting part and the transition part enables the sinker to more easily transmit the lever stress during swinging.
Furthermore, the outer side edge of the supporting part is of a circular arc-shaped structure, and two sides of the supporting part are provided with abdicating pits which are matched with the rotary positioning grooves on the spacing pieces pivoted with the supporting part.
The rotating positioning groove is formed in the spacing piece and used for limiting the supporting part.
Further, an arc locking spring is arranged on one side of the supporting portion and the butt portion, and a non-working-state limiting pit and a working-state anti-warping flange are arranged on one side of the arc locking spring.
Be provided with spacing cylinder on the spacer, spacing cylinder is arranged in the recess that circular arc locking spring formed, and the sinker is when the swing, and spacing cylinder slides in circular arc locking spring, and the proof warp flange can prevent that the sinker perk is too high, and the spacing pit of non-working state is the position that the sinker was located under the non-working condition.
Furthermore, the whole needle butt part is of a strip-shaped structure, and the end part of the needle butt part is of an arc-shaped structure.
Furthermore, the bottom of the transition part is limited by the maximum pressing depth, a maximum pressing depth flange is arranged at the corresponding position of the spacing piece, and the maximum pressing depth flange is used for preventing the sinker from continuously rotating.
Further, the buffer member is compressed by the resistance of the projection on the spacer at the time of swing.
Furthermore, a line pressing concave nose and a line leading concave pit are arranged on the outer arc edge of the line pressing part, and a line blocking arc is arranged between the line pressing concave nose and the line leading concave pit.
Furthermore, the thickness of the line pressing part is smaller than that of other parts, so that a yielding step is formed.
The abdication step abdicating the knitting needle to separate a movable space.
Furthermore, when the sinkers are arranged on the double-needle bed flat knitting machine, the line pressing parts move in an arc shape during line pressing and do not interfere with each other.
Furthermore, a clearance gauge is arranged on the spacing piece, is positioned above the buffer piece and limits the buffer piece; and a positioning steel wire is also arranged on the spacing sheet in a penetrating way.
The feeler gauge can further limit the V-shaped buffer part, and the penetration of the feeler gauge can keep the stability of each spacer; the positioning steel wire is used for positioning the spacing pieces, ensures that each spacing piece is on the same straight line, and is matched with the plugging of the feeler gauge to ensure that the spacing pieces are stable.
After adopting the scheme, compared with the prior art, the invention has the following advantages:
the sinker adopts a V-shaped buffer part structure, and compared with a U-shaped buffer part, the sinker has the advantages of narrower bent part, easier resetting, stronger stability and longer service life; circular arc line ball mode, when weaving the big coil of bulk density, the sinker is impressed deepenly, entrance to a cave department seals better, fine solution produce the knockover when weaving the pine coil, contain phenomenons such as needle, rely on the automatically regulated line ball of bolster, can reach the effect of flexible line ball when weaving the fabric, and the design of spacing pit, can be when weaving the insensitivity shift stitch flower type, actuating mechanism drive butt makes spacing pit slip into spacing protruding type cylinder and get into unoperated state, the sinker avoids the coil completely, the coil does not have external force to interfere, can be better shift the needle, thereby weave more complicated flowers type.
Drawings
FIG. 1 is a schematic of the present invention;
FIG. 2 is a schematic view of a sinker;
FIG. 3 is a schematic view of a spacer;
fig. 4 is a side view of the sinker;
FIG. 5 is a schematic view of a sinker structure on a double bed knitting machine;
FIG. 6 is a schematic view of the sinker structure in normal operation;
FIG. 7 is a schematic illustration of a maximum sinker pressed line position;
FIG. 8 is a schematic view of a sinker during looping;
FIG. 9 is a schematic illustration of the sinker inactive exit bit;
description of the reference symbols
The number of the sinker segments 1 is increased,
the support part 11, the relief recess 111,
the needle butt portion 12 is formed by a needle butt portion,
a transition portion 13, a maximum indentation limit 131,
a crimping portion 14, a crimping lug 141, a thread-leaving recess 142, a thread-blocking arc 143,
the one or more of the yield steps 144,
the buffer member 15, the bent end 151,
the arc locking spring 16, a limiting pit 161 and an anti-warping rib 162;
the spacing piece 2, the rotary positioning groove 21, the maximum pressing depth flange 22, the convex block 23,
a limiting cylinder 24;
a feeler 3, a positioning steel wire 4 and a knitting needle 5.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
As shown in fig. 1, 2 and 3, the sinker structure is characterized in that each sinker is correspondingly arranged on a spacer, and the sinker 1 comprises a supporting part 11, a butt part 12, a transition part 13, a line pressing part 14 and a buffer piece 15.
The supporting portion 11 is a connecting portion between the sinker 1 and the spacer 2, and may be a circular bump, two sides of the circular bump are provided with a recess 111, the recess 111 matches with a rotary positioning groove 21 on the spacer 2 to which the supporting portion 11 is pivotally connected, and the rotary positioning groove 21 is provided on the spacer 2 to position and limit the supporting portion 11.
The whole of the needle heel part 12 is of a strip-shaped structure, the end part of the needle heel part is of an arc-shaped structure, and the whole of the needle heel part 12 to the supporting part 11 is on a straight line, so that the swinging power can be well transmitted to the supporting part 11 when the needle heel part 12 is stressed, and the needle heel part has the characteristic of being not easy to deform. The push piece drives the needle heel part 12 back and forth to realize the integral swing of the sinker 1, so that the wire pressing part 14 performs the action of pressing down or lifting up.
The transition part 13 is used for connecting the transition support part 11 and the line pressing part 14, the transition part 13 and the support part 11 are integrally positioned on a straight line, the bottom of the transition part 13 is provided with a maximum pressing depth limiting part 131 which is arranged corresponding to the maximum pressing depth flange 22 on the spacing piece 2, and the maximum pressing depth flange 22 prevents the sinker 1 from being pressed downwards without limit.
The line pressing part 14 is integrally of an arc-shaped structure, a line pressing concave nose 141 and a line leading concave pit 142 are arranged on the arc edge of the outer side of the line pressing part 14, the line pressing concave nose 141 is used for pressing yarns when the sinker 1 sinks, and the line leading concave pit 142 is prevented from touching the yarns when the sinker 1 is lifted; between the line pressing concave nose 141 and the line leading concave 142 is a line blocking arc 143 which is tangent with the needle plate opening.
As shown in fig. 4, the thickness of the crimping portion 14 is smaller than other portions, so that a relief step 144 is formed, and the relief step 144 gives relief to the knitting needle 5, so that the knitting needle 5 has a space for movement in and out.
The buffer 15, namely the V-shaped curve spring, is arranged between the line pressing part 14 and the transition part 13, the pressed end of the curve spring is a V-shaped opening, the bending end 151 of the curve spring is located at the joint of the butt part 12 and the supporting part 11, the spacer 2 is located at the upper end of the curve spring opening and is provided with a bump 23, when the sinker 1 is lifted, the V-shaped opening of the curve spring is compressed by the resistance of the bump 23, when the sinker 1 needs to press lines, the line pressing depth is automatically adjusted by virtue of the curve spring, and the effect of flexible line pressing is achieved.
An arc locking spring 16 is arranged on one side of the supporting part 11 and the butt part 12, and a non-working-state limiting pit 161 and a working-state anti-warping rib 162 are arranged on one side of the arc locking spring 16.
Spacing piece 2 is last to be provided with spacing cylinder 24, and spacing cylinder 24 is arranged in the recess that circular arc locking spring 16 formed, and sinker 1 is when the swing, and spacing cylinder 24 slides in circular arc locking spring 16's recess, and anti-warp flange 162 can prevent that sinker 1 perk is too high, and spacing pit 161 of non-working state is the position that sinker 1 was located under the non-working condition.
Be provided with clearance gauge 3 on the spacer 2, clearance gauge 3 wears to establish and cross from a plurality of spacers 2 to carry on spacingly to bolster 15 from the top, clearance gauge 3 can further produce spacingly to V type bolster 15, and the steadiness that can keep every piece of spacer 2 of penetrating of clearance gauge 3.
Still wear to be equipped with location steel wire 4 on the spacer 2, location steel wire 4 is used for fixing a position spacer 2, and guarantees that every spacer 2 is on same straight line to cooperation clearance gauge 3 fills in, make spacer 2 more firm.
During normal operation, the triangle is pushed to the initial position, as shown in fig. 6, the limiting cylinder 24 is located below the anti-warping rib 162 of the arc locking spring 16;
when the sinker 1 descends and is located at the maximum line pressing position, as shown in fig. 7, the maximum pressing depth flange 22 is attached to the maximum pressing depth limiting position 131;
when the thread-feeding looping sinker 1 exits, as shown in fig. 8, the limiting cylinder 24 is located at the anti-warping rib 162 of the arc locking spring 16, and the buffer 15 is gradually compressed in the ascending process of the sinker 1;
when the sinker 1 is in the non-operating state, as shown in fig. 9, the limit cylinder 24 is located in the non-operating limit pocket 161 of the arc lock spring 16, and the opening of the cushion member 15 is compressed to the minimum.
The above are only specific embodiments of the present invention, and the feeler portion can also be fixed by threading a steel wire, and the terms such as "upper, lower, left, right, middle" and the like in the present invention are only used as references, and are not absolutely limited, and any insubstantial modification made by using the present invention shall fall into the behavior of infringing the protection scope of the present invention.
Claims (10)
1. A sinker structure characterized in that: form through sinker and spacer cooperation, wherein the sinker includes:
the supporting part is a connecting position of the sinker and the spacer;
the needle butt part is driven by the driving mechanism, and the whole part from the needle butt part to the supporting part is in a straight line;
the wire pressing part is integrally of an arc-shaped structure, and a transition part is arranged between the wire pressing part and the supporting part;
the buffering piece is arranged between the line pressing part and the transition part, the buffering piece is integrally of a V-shaped structure, the pressed end of the buffering piece is positioned at the V-shaped opening, and the bent end of the buffering piece is positioned at the joint of the needle heel part and the supporting part;
when the sinker is lifted, the V-shaped opening of the buffer piece is limited by the spacing piece and gradually compressed;
when the sinker sinks, the V-shaped opening of the buffer piece is gradually opened.
2. A sinker structure according to claim 1, wherein: the outer side edge of the supporting part is of a circular arc-shaped structure, and two sides of the supporting part are provided with abdicating pits which are matched with rotary positioning grooves on the spacing pieces pivoted with the supporting part.
3. A sinker structure according to claim 1, wherein: and one side of the supporting part and one side of the butt part are provided with arc locking springs, and one side of each arc locking spring is provided with a non-working-state limiting pit and a working-state anti-warping flange.
4. A sinker structure according to claim 1, wherein: the needle heel part is integrally of a strip-shaped structure, and the end part of the needle heel part is of an arc-shaped structure.
5. A sinker structure according to claim 1, wherein: the bottom of the transition part is limited by the maximum pressing depth, the corresponding position of the spacing piece is provided with a maximum pressing depth flange, and the maximum pressing depth flange is used for preventing the sinker from continuously rotating.
6. A sinker structure according to claim 1, wherein: the buffer member is compressed by the resistance of the projection on the spacer at the time of swing.
7. A sinker structure according to claim 1, wherein: the outer arc edge of the line pressing part is provided with a line pressing concave nose and a line leading concave pit, and a line blocking arc is arranged between the line pressing concave nose and the line leading concave pit.
8. A sinker structure according to claim 1, wherein: the thickness of the line pressing part is smaller than that of other parts, so that a yielding step is formed.
9. A sinker structure according to claim 1, characterized in that: when the sinkers are arranged on the double-needle bed flat knitting machine, the line pressing parts move in an arc shape during line pressing and do not interfere with each other.
10. A sinker structure according to claim 1, wherein: the clearance gauge is arranged on the spacing piece, is positioned above the buffer piece and limits the buffer piece; and a positioning steel wire is also arranged on the spacing sheet in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211332596.6A CN115573088A (en) | 2022-10-28 | 2022-10-28 | Sinker structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211332596.6A CN115573088A (en) | 2022-10-28 | 2022-10-28 | Sinker structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115573088A true CN115573088A (en) | 2023-01-06 |
Family
ID=84586927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211332596.6A Pending CN115573088A (en) | 2022-10-28 | 2022-10-28 | Sinker structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115573088A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005048338A (en) * | 2003-07-30 | 2005-02-24 | Shima Seiki Mfg Ltd | Flat knitting machine equipped with movable sinker |
| US20060243001A1 (en) * | 2003-07-30 | 2006-11-02 | Minoru Sonomura | Weft knitting machine having movable sinker |
| CN101148802A (en) * | 2006-09-22 | 2008-03-26 | 株式会社岛精机制作所 | Flat-bed machine sinker and feed distance clip |
| CN101490324A (en) * | 2006-08-11 | 2009-07-22 | 株式会社岛精机制作所 | Movable sinker and weft knitting machine |
| JP2014095160A (en) * | 2012-11-08 | 2014-05-22 | Shima Seiki Mfg Ltd | Flat knitting machine including movable sinker |
| CN104032471A (en) * | 2013-03-08 | 2014-09-10 | 株式会社岛精机制作所 | Flatbed knitting machine equipped with movable sinker |
| CN106835477A (en) * | 2015-11-06 | 2017-06-13 | 株式会社岛精机制作所 | Straight-bar machines |
| CN211734640U (en) * | 2019-12-17 | 2020-10-23 | 桐乡市强隆机械有限公司 | Normal pressure formula sinker mechanism and computerized flat knitting machine |
| WO2022210811A1 (en) * | 2021-03-29 | 2022-10-06 | 株式会社島精機製作所 | Movable sinker for weft knitting machines |
| CN218711253U (en) * | 2022-10-28 | 2023-03-24 | 浙江睿丰智能科技有限公司 | Sinker structure |
-
2022
- 2022-10-28 CN CN202211332596.6A patent/CN115573088A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005048338A (en) * | 2003-07-30 | 2005-02-24 | Shima Seiki Mfg Ltd | Flat knitting machine equipped with movable sinker |
| US20060243001A1 (en) * | 2003-07-30 | 2006-11-02 | Minoru Sonomura | Weft knitting machine having movable sinker |
| CN101490324A (en) * | 2006-08-11 | 2009-07-22 | 株式会社岛精机制作所 | Movable sinker and weft knitting machine |
| CN101148802A (en) * | 2006-09-22 | 2008-03-26 | 株式会社岛精机制作所 | Flat-bed machine sinker and feed distance clip |
| JP2008101309A (en) * | 2006-09-22 | 2008-05-01 | Shima Seiki Mfg Ltd | Sinker device of flat knitting machine and yarn guide spacer |
| JP2014095160A (en) * | 2012-11-08 | 2014-05-22 | Shima Seiki Mfg Ltd | Flat knitting machine including movable sinker |
| CN104032471A (en) * | 2013-03-08 | 2014-09-10 | 株式会社岛精机制作所 | Flatbed knitting machine equipped with movable sinker |
| CN106835477A (en) * | 2015-11-06 | 2017-06-13 | 株式会社岛精机制作所 | Straight-bar machines |
| CN211734640U (en) * | 2019-12-17 | 2020-10-23 | 桐乡市强隆机械有限公司 | Normal pressure formula sinker mechanism and computerized flat knitting machine |
| WO2022210811A1 (en) * | 2021-03-29 | 2022-10-06 | 株式会社島精機製作所 | Movable sinker for weft knitting machines |
| CN218711253U (en) * | 2022-10-28 | 2023-03-24 | 浙江睿丰智能科技有限公司 | Sinker structure |
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