CN110424077A - Spinning frame wharve structure with damping - Google Patents
Spinning frame wharve structure with damping Download PDFInfo
- Publication number
- CN110424077A CN110424077A CN201910682582.9A CN201910682582A CN110424077A CN 110424077 A CN110424077 A CN 110424077A CN 201910682582 A CN201910682582 A CN 201910682582A CN 110424077 A CN110424077 A CN 110424077A
- Authority
- CN
- China
- Prior art keywords
- wharve
- damping
- spring leaf
- damping block
- pin shaft
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 title claims abstract description 104
- 238000009987 spinning Methods 0.000 title claims abstract description 38
- 238000005520 cutting process Methods 0.000 claims description 23
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000606750 Actinobacillus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- 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
- D01H13/104—Regulating tension by devices acting on running yarn and not associated with supply or take-up devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Springs (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The spinning frame wharve structure with damping that the invention discloses a kind of, the through-hole for fixed axostyle is equipped at the center of wharve, the bottom surface edge of wharve is evenly distributed with multiple damping blocks, damping block is fixed by spring leaf and wharve, damping block is fixed on one end of spring leaf, the other end of spring leaf is rotationally connected with wharve by pin shaft, one end that spring leaf is located at damping block is equipped with grab, grab is arranged in locating slot set by wharve bottom surface, on wharve, a pair of of tapped through hole is additionally provided between the circle that through-hole and damping block are surrounded, the top surface of wharve is fixed with the locating piece that positioning is matched with yarn disk by tapped through hole；The distance between pin shaft and wharve are less than or equal to the minimum range between pin shaft and damping block.From the above it is found that the spinning frame wharve structure with damping of the invention, ensure that the tension stability of spinning frame operation.
Description
Technical field
The present invention relates to the technical fields of spinning frame wharve, and in particular to a kind of spinning frame wharve knot with damping
Structure.
Background technique
Spinning frame, semi-products rove or strip through drawing-off, twist, the spinning machine for being wound into spun yarn coil in spinning process
Device, strip the drawing-off twist on fly frame are made rove, combing machine and combed sliver, gill box are made by strip simultaneously in fiber combing
It closes, needle row's drawing-off improves a minor structure, rove further twist on ring throstle is spun into spun yarn, and spinning frame is the master of spinning
Want machine.The yield and quality of spun yarn are the concentrated expression of spinning process various processes superiority and inferiority.
The drawing-off of spinning frame is the process for drawing and attenuating yarn attenuating, and the essence of drawing-off is that fiber is made to do opposite fortune along axial direction
Dynamic, the purpose is to make attenuating draw and attenuate yarn to lead defined thickness.
It needs to guarantee stable tension in the drafting process of spinning frame, and tension is smaller relative to fly frame, and
Just because of the tension of spinning frame is relatively small, so tension fluctuation is very big at the quality influence of spun yarn on Spinning Frame.Spinning frame
Tension at work is by generating between take-up and actinobacillus device, is actually to pass through ingot corresponding to specific structure
The frictional force of disk and equipment is realized.
It is typically all to generate to rub by felt between the wharve and equipment of current spinning frame, but different size, no
With between the spun yarn of material, the requirement for tension be would also vary from.So the spun yarn of different materials, different size needs ingot
Different size of frictional force is generated between disk and equipment, this results in enterprise to need to configure the wharve that a variety of different sizes damp,
Increase the burden of enterprise.
Summary of the invention
It is an object of the invention to: overcome the deficiencies of the prior art and provide a kind of spinning frame wharve with damping
Structure, ensure that the tension stability of spinning frame operation, at the same can also according to the spun yarn of different size and it is some compared with
The rove of small dimension adjusts the position of damping block, and then adjusts the size of damping, to be applicable in a variety of different sizes, different materials
Spun yarn and some rove compared with small dimension, improve applicability；By the structure of spring leaf, convenient for damping block more
It changes, reduces and shut down replacing construction, improve production efficiency；By the effect of cutting ferrule, enough support forces are provided to damping block, are convenient for
The fixation of damping block and spring leaf；And damping block can also be conducive to can use up as far as possible, avoid the waste of damping block；Locating slot
It is symmetrically distributed using corresponding pin shaft and the line at wharve center as symmetry axis, so as to enable the damping block of wharve to be applicable in
It is rotated and reverse in wharve；Damping block is located at spring leaf backwards to one end of rotation direction, to make active force suffered by damping block
The effect of grab is pressed in locating slot, to ensure that grab will not jump out locating slot during rotation and cause
Damping block is displaced.
The technical solution used in the present invention is:
Spinning frame wharve structure with damping, including wharve are equipped with for fixed axostyle at the center of the wharve
Through-hole, the bottom surface edge of the wharve are evenly distributed with multiple damping blocks, and the damping block is fixed by spring leaf and wharve,
The damping block is fixed on one end of spring leaf, and the other end of the spring leaf is rotationally connected with wharve, the bullet by pin shaft
One end that reed is located at damping block is equipped with grab, and the grab is arranged in locating slot set by wharve bottom surface, on the wharve,
A pair of of tapped through hole is additionally provided between the circle that through-hole and damping block are surrounded, the top surface of the wharve is solid by tapped through hole
Surely there is the locating piece that positioning is matched with yarn disk；The distance between the pin shaft and wharve are less than or equal between pin shaft and damping block
Minimum range.
The present invention be further improved scheme be, locating slot corresponding to any one spring leaf be equipped with it is multiple, and with
It is arc-shaped and is uniformly distributed centered on the pin shaft of the spring leaf.
The further improvement project of the present invention is that locating slot corresponding to any one spring leaf is equipped with two groups, and right
Claim the two sides for being distributed in the line with the pin shaft center of the spring leaf Yu wharve center.
The further improvement project of the present invention is, in one group locating slot of certain spring leaf towards damping block side near
The locating slot at nearly wharve center, and is located at certain spring leaf towards the adjacent another spring leaf in damping block side backwards to another bullet
It is same a positioning groove near the locating slot at wharve center in one group of locating slot of the damping block side of reed.
The further improvement project of the present invention is that the grab is the flanging that spring leaf thinks the fold of wharve side, the card
The width of hook is matched with the internal diameter of locating slot.
The further improvement project of the present invention is that the thickness of the grab is less than the radius of locating slot.
The further improvement project of the present invention is that the length of the grab is less than or equal to the depth of locating slot.
The further improvement project of the present invention is that the top side wall of the damping block is equipped with cutting ferrule, the top of the cutting ferrule
Portion is matched to flange, the outer diameter of the cutting ferrule is externally provided with location hole A internal diameter set by spring leaf.
The further improvement project of the present invention is that the length of the grab is greater than the thickness of flange.
The further improvement project of the present invention is that the height of the cutting ferrule is greater than the thickness of spring leaf, and the height of cutting ferrule
Less than or equal to the one third of the height of damping block.
The further improvement project of the present invention is that the bottom of the cutting ferrule is equipped with the necking to contract, the necking
Opening's edge is uniformly provided with sawtooth.
The further improvement project of the present invention is, one end side wall of the pin shaft is equipped with external screw thread, and set by wharve bottom
Screw thread slot match fix.
The further improvement project of the present invention is, the axle body diameter of the pin shaft and the location hole B internal diameter of spring leaf it is equal,
And it is more than or equal to externally threaded outer diameter.
The further improvement project of the present invention is that the other end of the pin shaft is coaxially provided with boss, the size of the boss
Greater than the axle body diameter of pin shaft.
The further improvement project of the present invention is, the boss be equipped with screw pin shaft screw structure.
The further improvement project of the present invention is, the bottom surface of the wharve, which corresponds at the position of through-hole, is coaxially provided with phase
The central siphon matched, the lateral wall of the central siphon and the junction of wharve are equipped with bulge loop.
The further improvement project of the present invention is that the damping block is felt.
The further improvement project of the present invention is, the damping block be located at spring leaf backwards to wharve rotation direction one
End.
The beneficial effects of the present invention are:
The first, the spinning frame wharve structure with damping of the invention, ensure that the tension stability of spinning frame operation
Property, while the position of damping block can also be adjusted according to different size, the spun yarn and some rove compared with small dimension of different materials
It sets, and then the size for adjusting damping is improved suitable with being applicable in the spun yarn and some rove compared with small dimension of a variety of different sizes
The property used.
The second, the spinning frame wharve structure with damping of the invention, by the structure of spring leaf, convenient for damping
The replacement of block reduces and shuts down replacing construction, improves production efficiency.
Third, the spinning frame wharve structure with damping of the invention provide damping block by the effect of cutting ferrule
Enough support forces, convenient for the fixation of damping block and spring leaf；And damping block can also be conducive to can use up as far as possible, it avoids hindering
The waste of Buddhist nun's block.
4th, the spinning frame wharve structure with damping of the invention, locating slot is in corresponding pin shaft and wharve
The line of the heart is symmetrically distributed for symmetry axis, so as to enable the damping block of wharve to rotate and reverse suitable for wharve.
5th, the spinning frame wharve structure with damping of the invention, damping block are located at spring leaf backwards to wharve
One end of rotation direction, to make active force suffered by damping block press in locating slot the effect of grab, to protect
Locating slot will not be jumped out during rotation and damping block is caused to be displaced by having demonstrate,proved grab.
Detailed description of the invention:
Fig. 1 is the elevational schematic view of structure of the invention.
Fig. 2 is the main view enlarged section schematic diagram at the damping block position of structure of the invention.
Specific embodiment:
The through-hole for fixed axostyle is equipped in conjunction with Fig. 1 and Fig. 2 it is found that the present invention includes wharve 1, at the center of the wharve 1
2, the bottom surface edge of the wharve 1 is evenly distributed with 8 damping blocks 3, and the damping block 3 is solid by spring leaf 4 and wharve 1
Fixed, the damping block 3 is fixed on one end of spring leaf 4, and the other end of the spring leaf 4 is rotationally connected with wharve by pin shaft 5
1, one end that the spring leaf 4 is located at damping block 3 is equipped with grab 6, and the grab 6 is arranged in locating slot 7 set by 1 bottom surface of wharve
It is interior, on the wharve 1, a pair of of tapped through hole 9, the wharve 1 are additionally provided between the circle that through-hole 2 and damping block 3 are surrounded
Top surface by tapped through hole 9 be fixed with match with yarn disk position locating piece；The pin shaft 5 and the distance between wharve 1 are small
In the minimum range being equal between pin shaft 5 and damping block 3；Locating slot 7 corresponding to any one spring leaf 4 is equipped with 12,
And it is arc-shaped and is uniformly distributed centered on the pin shaft of the spring leaf 45；Locating slot 7 corresponding to any one spring leaf 4 is set
There are two groups, and is symmetrically distributed in the two sides of the line with 5 center of pin shaft of the spring leaf 4 Yu 1 center of wharve；Positioned at certain spring
Piece 4 and is located at certain 4 face of spring leaf towards the locating slot 7 in one group of locating slot 7 of 3 side of damping block near 1 center of wharve
Another spring leaf 4 adjacent to 3 side of damping block backwards to another spring leaf 43 side of damping block one group of locating slot 7 in most
Locating slot 7 close to 1 center of wharve, for a positioning groove 7；The grab 6 is the flanging that spring leaf 4 thinks the fold of 1 side of wharve,
The width of the grab 6 is matched with the internal diameter of locating slot 7；The thickness of the grab 6 is less than the radius of locating slot 7；The grab 6
Length be less than or equal to locating slot 7 depth；The top side wall of the damping block 3 is equipped with cutting ferrule 8, the top of the cutting ferrule 8
To flange 11 is externally provided with, the outer diameter of the cutting ferrule 8 is matched with location hole A internal diameter set by spring leaf 4；The length of the grab 6
Greater than the thickness of flange 11；The height of the cutting ferrule 8 is greater than the thickness of spring leaf 4, and the height of cutting ferrule 8 is less than or equal to damping block
The one third of 3 height；The bottom of the cutting ferrule 8 is equipped with the necking 12 to contract, and the opening's edge of the necking 12 is uniformly set
There is sawtooth；One end side wall of the pin shaft 5 is equipped with external screw thread, matches fixation with screw thread slot 10 set by 1 bottom of wharve；It is described
The axle body diameter of pin shaft 5 and the location hole B internal diameter of spring leaf 4 it is equal and be more than or equal to externally threaded outer diameter；The pin shaft 5
The other end be coaxially provided with boss, the size of the boss is greater than the axle body diameter of pin shaft 5；The boss is equipped with and screws pin shaft 5
Screw structure；The bottom surface of the wharve 1 correspond to through-hole 2 position at be coaxially provided with the central siphon to match, the central siphon
The junction of lateral wall and wharve 1 is equipped with bulge loop；The damping block 3 is felt；The damping block 3 is located at spring leaf 4 backwards to ingot
One end of the rotation direction of disk 1.
When the application needs to install damping block 3, the damping block 3 for being equipped with cutting ferrule 8 is from top to bottom first passed through into spring
Location hole A set by piece 4, damping block 3 are axially downwardly limited in the case where the flange 11 of cutting ferrule 8 acts on, and then will be equipped with damping block 3
The grab 6 of spring leaf 4 be arranged in corresponding locating slot 7, then by the location hole B of spring leaf 4 and corresponding screw thread on wharve 1
Slot 10 passes through pin shaft 5 fixed with screw thread slot 10 after location hole B to just；Aforesaid operations are repeated, until all dampings
Block 3 all completes installation；Guarantee that damping block 3 is evenly distributed with the center of wharve 1 after being installed；And spring leaf 4 is with wharve 1
Center centered on be centrosymmetric distribution.
After the damping block 3 of the application is through service wear part after a period of time, it is only necessary to shut down damping block 3 from card
Set 8 extracts part outward, flushes damping block 3 with remaining damping block 3.
When the application needs replacing damping block 3, by tool by spring leaf corresponding to the damping block 3 needed replacing
4 grab 6 is chosen out of corresponding locating slot 7, and 3 one end of the damping block of spring leaf 4 is turned to around pin shaft 5 positioned at wharve 1
Outside, and it is kept completely separate damping block 3 with wharve 1, then the damping block 3 needed replacing is taken out from spring leaf 4, and changes new
Damping block 3, the damping block 3 newly changed by 1 side of wharve pass through spring leaf 4, make cutting ferrule 8 flange 11 and spring leaf 4 towards ingot
One side end face of disk 1 contacts, and spring leaf 4 is then turned to initial position around pin shaft 5 again, and guarantee that grab 6 is arranged in starting
Locating slot 7 in.
Claims (10)
1. the spinning frame wharve structure with damping, it is characterised in that: including wharve (1), at the center of the wharve (1)
Equipped with the through-hole (2) for fixed axostyle, the bottom surface edge of the wharve (1) is evenly distributed with multiple damping blocks (3), described
Damping block (3) is fixed by spring leaf (4) and wharve (1), and the damping block (3) is fixed on one end of spring leaf (4), the bullet
The other end of reed (4) is rotationally connected with wharve (1) by pin shaft (5), and the spring leaf (4) is located at one end of damping block (3)
Equipped with grab (6), the grab (6) is arranged in locating slot (7) set by wharve (1) bottom surface, on the wharve (1), is located at
It is additionally provided with a pair of of tapped through hole (9) between the circle that through-hole (2) and damping block (3) are surrounded, the top surface of the wharve (1) passes through spiral shell
Line through-hole (9) is fixed with the locating piece that positioning is matched with yarn disk；The distance between the pin shaft (5) and wharve (1) are less than or equal to
Minimum range between pin shaft (5) and damping block (3).
2. as described in claim 1 with the spinning frame wharve structure of damping, it is characterised in that: any one spring leaf
(4) locating slot (7) corresponding to is equipped with multiple, and is arc-shaped centered on the pin shaft (5) of the spring leaf (4) uniformly point
Cloth.
3. as claimed in claim 2 with the spinning frame wharve structure of damping, it is characterised in that: any one spring leaf
(4) locating slot (7) corresponding to is equipped with two groups, and is symmetrically distributed in the pin shaft of the spring leaf (4) (5) center and wharve
(1) two sides of the line at center.
4. as claimed in claim 3 with the spinning frame wharve structure of damping, it is characterised in that: be located at certain spring leaf
(4) in one group of locating slot (7) towards damping block (3) side near the locating slot (7) at wharve (1) center, and it is located at this certain
Spring leaf (4) is towards the adjacent another spring leaf (4) in damping block (3) side backwards to the damping block (3) one of another spring leaf (4)
Near the locating slot (7) at wharve (1) center in one group of locating slot (7) of side, it is same a positioning groove (7).
5. as described in claim 1 with the spinning frame wharve structure of damping, it is characterised in that: the grab (6) is
Spring leaf (4) thinks the flanging of wharve (1) side fold, and the width of the grab (6) is matched with the internal diameter of locating slot (7), described
The thickness of grab (6) is less than the radius of locating slot (7), and the length of the grab (6) is less than or equal to the depth of locating slot (7).
6. as described in claim 1 with the spinning frame wharve structure of damping, it is characterised in that: the damping block (3)
Top side wall be equipped with cutting ferrule (8), the top of the cutting ferrule (8) to being externally provided with flange (11), the outer diameter of the cutting ferrule (8) with
The matching of location hole A internal diameter set by spring leaf (4).
7. as claimed in claim 6 with the spinning frame wharve structure of damping, it is characterised in that: the cutting ferrule (8)
Height is greater than the thickness of spring leaf (4), and the height of cutting ferrule (8) is less than or equal to the one third of the height of damping block (3).
8. as claimed in claim 6 with the spinning frame wharve structure of damping, it is characterised in that: the cutting ferrule (8)
Bottom is equipped with the necking (12) to contract, and the opening's edge of the necking (12) is uniformly provided with sawtooth.
9. as described in claim 1 with the spinning frame wharve structure of damping, it is characterised in that: the pin shaft (5)
One end side wall is equipped with external screw thread, and fixation, the axle body of the pin shaft (5) are matched with screw thread slot (10) set by wharve (1) bottom
Diameter is equal with the location hole B internal diameter of spring leaf (4) and is more than or equal to externally threaded outer diameter, the other end of the pin shaft (5)
It is coaxially provided with boss, the size of the boss is greater than the axle body diameter of pin shaft (5), and boss is equipped with the rotation for screwing pin shaft (5)
It is twisted structure.
10. as described in claim 1 with the spinning frame wharve structure of damping, it is characterised in that: the wharve (1)
Bottom surface, which corresponds at the position of through-hole (2), is coaxially provided with the central siphon to match, the lateral wall of the central siphon and the connection of wharve (1)
Place is equipped with bulge loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910682582.9A CN110424077B (en) | 2019-07-26 | 2019-07-26 | Spinning frame spindle disc structure with damping effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910682582.9A CN110424077B (en) | 2019-07-26 | 2019-07-26 | Spinning frame spindle disc structure with damping effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110424077A true CN110424077A (en) | 2019-11-08 |
| CN110424077B CN110424077B (en) | 2020-06-23 |
Family
ID=68412708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910682582.9A Active CN110424077B (en) | 2019-07-26 | 2019-07-26 | Spinning frame spindle disc structure with damping effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110424077B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1798817A (en) * | 1930-02-25 | 1931-03-31 | Bigelow Sanford Carpet Co Inc | Yarn doubling and twisting machine |
| US3295788A (en) * | 1964-12-22 | 1967-01-03 | Leesona Corp | Tensioning apparatus |
| US3400530A (en) * | 1966-05-17 | 1968-09-10 | Palitex Project Co Gmbh | Device for braking a train flyer on multiple twisting spindles |
| US3912184A (en) * | 1972-09-19 | 1975-10-14 | Karl Bous | Control of yarn tensions |
| EP0208628A1 (en) * | 1985-06-11 | 1987-01-14 | I.C. ACBF (Société anonyme) | Device for regulating the tension of a thread during the various transformations it undergoes in the course of its manufacture |
| US5507140A (en) * | 1993-12-10 | 1996-04-16 | Zinser Textilmaschinen Gmbh | External double-jaw brake for a spindle of a spinning machine |
| CN1155021A (en) * | 1995-08-04 | 1997-07-23 | 里特机械公司 | Spinning device |
| CN102383234A (en) * | 2011-11-30 | 2012-03-21 | 射阳东翔纺织机械有限公司 | Single-yarn constant tension control device for bobbin creels |
| CN206408357U (en) * | 2016-12-23 | 2017-08-15 | 张百君 | Low-noise spring spindle |
| CN107604517A (en) * | 2017-08-16 | 2018-01-19 | 泰州市凌峰机电设备有限公司 | A kind of spindle with backrush tension force |
| CN107604530A (en) * | 2017-09-29 | 2018-01-19 | 青岛中亿伟业机械制造有限公司 | A kind of outer spindle of braider |
-
2019
- 2019-07-26 CN CN201910682582.9A patent/CN110424077B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1798817A (en) * | 1930-02-25 | 1931-03-31 | Bigelow Sanford Carpet Co Inc | Yarn doubling and twisting machine |
| US3295788A (en) * | 1964-12-22 | 1967-01-03 | Leesona Corp | Tensioning apparatus |
| US3400530A (en) * | 1966-05-17 | 1968-09-10 | Palitex Project Co Gmbh | Device for braking a train flyer on multiple twisting spindles |
| US3912184A (en) * | 1972-09-19 | 1975-10-14 | Karl Bous | Control of yarn tensions |
| EP0208628A1 (en) * | 1985-06-11 | 1987-01-14 | I.C. ACBF (Société anonyme) | Device for regulating the tension of a thread during the various transformations it undergoes in the course of its manufacture |
| US5507140A (en) * | 1993-12-10 | 1996-04-16 | Zinser Textilmaschinen Gmbh | External double-jaw brake for a spindle of a spinning machine |
| CN1155021A (en) * | 1995-08-04 | 1997-07-23 | 里特机械公司 | Spinning device |
| CN102383234A (en) * | 2011-11-30 | 2012-03-21 | 射阳东翔纺织机械有限公司 | Single-yarn constant tension control device for bobbin creels |
| CN206408357U (en) * | 2016-12-23 | 2017-08-15 | 张百君 | Low-noise spring spindle |
| CN107604517A (en) * | 2017-08-16 | 2018-01-19 | 泰州市凌峰机电设备有限公司 | A kind of spindle with backrush tension force |
| CN107604530A (en) * | 2017-09-29 | 2018-01-19 | 青岛中亿伟业机械制造有限公司 | A kind of outer spindle of braider |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110424077B (en) | 2020-06-23 |
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Effective date of registration: 20231030 Address after: No. 15 Fujun Road, Huaian Economic and Technological Development Zone, Jiangsu Province, 223005 Patentee after: JIANGSU HUAFENG NATURAL FIBER PRODUCTS Co.,Ltd. Address before: No.15, Yongxian Road, Huaian Economic and Technological Development Zone, Jiangsu 223005 Patentee before: Jiangsu Huamao automation equipment Co.,Ltd. |
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