CN219568160U - One-step polyester fabric two-for-one twisting processing device - Google Patents
One-step polyester fabric two-for-one twisting processing device Download PDFInfo
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- CN219568160U CN219568160U CN202320065342.6U CN202320065342U CN219568160U CN 219568160 U CN219568160 U CN 219568160U CN 202320065342 U CN202320065342 U CN 202320065342U CN 219568160 U CN219568160 U CN 219568160U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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Abstract
The utility model provides a one-step polyester fabric two-for-one twisting processing device, which comprises a base, a driving shaft, a driven shaft I, a driven shaft II, a connecting shaft, a belt, a leading-in wheel, a leading-out wheel and a working wheel, wherein: one ends of the driving shaft I and the driven shaft II respectively penetrate through the inside of the base and are in rotary connection with the inside of the base, the driving shaft I and the driven shaft II are arranged in a triangle shape, and the bottom ends of the driving shaft I and the driven shaft II are in transmission connection through a belt; the driving shaft, the driven shaft I and the driven shaft II have the same composition structure. When the guide wheel is used, if the guide wheel is damaged, the damaged guide wheel or the guide wheel set can be independently replaced, so that the integral convenience and flexibility of the guide wheel are greatly improved, and the guide wheel is convenient for market popularization and application.
Description
Technical Field
The utility model relates to the field of double twisting processing of polyester fabrics, in particular to a double twisting processing device of a one-step polyester fabric.
Background
Polyester fibers, commonly known as "dacron". The synthetic fiber is a high molecular compound which is obtained by spinning polyester formed by polycondensation of organic dibasic acid and dihydric alcohol, and the twisting is needed during processing, the twisting modes include true twisting and false twisting, and the false twisting principle of the one-step two-for-one twister is realized by adopting a false twister.
However, the existing false twister processing device for double twisting of polyester fabrics by a one-step method, such as a tower friction disc false twister, is inconvenient to replace a damaged guide wheel or a guide wheel group independently when the false twister is damaged when in operation.
Therefore, the utility model of the one-step polyester fabric two-for-one twisting processing device is very necessary.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a one-step polyester fabric two-for-one twisting processing device, which comprises a base, a driving shaft, a driven shaft I, a driven shaft II, a connecting shaft, a belt, an importing wheel, an exporting wheel and a working wheel, wherein: one ends of the driving shaft I and the driven shaft II respectively penetrate through the inside of the base and are in rotary connection with the inside of the base, the driving shaft I and the driven shaft II are arranged in a triangle shape, and the bottom ends of the driving shaft I and the driven shaft II are in transmission connection through a belt; the driving shaft, the driven shaft I and the driven shaft II have the same composition structure;
preferably, a connecting shaft is fixedly arranged at the bottom end of the driving shaft, and the surface of the driving shaft is rotatably provided with one guide-in wheel and two working wheels from top to bottom; two working wheels and one guiding-out wheel are rotatably arranged on one surface of the driven shaft from top to bottom; the surface of the driven shaft II is rotatably provided with three working wheels from top to bottom; the leading-in wheel and each working wheel on the driving shaft are positioned above each working wheel on the two surfaces of the driven shaft; the working wheels and the guiding-out wheels on the first surface of the driven shaft are positioned below the working wheels on the second surface of the driven shaft; the bottom surfaces of the leading-in wheel and each working wheel on the driving shaft are contacted with the upper part of each working wheel on the two surfaces of the driven shaft, and the lower part of each working wheel on the two surfaces of the driven shaft is contacted with the upper part of each working wheel and the upper part of each leading-out wheel on the one surface of the driven shaft;
preferably, the driven shaft II comprises a fixed shaft, a gear, external threads, a shaft sleeve, a connecting hole, a supporting shaft and a nut, wherein the bottom end of the fixed shaft is fixedly connected with the upper surface of the gear, and the external threads are formed on the outer side of the top end of the fixed shaft; the inside of the shaft sleeve is rotationally connected with the outside above the fixed shaft, the shaft sleeve is positioned below the external thread, and the fixed shaft is rotationally connected with the inside of the base through the shaft sleeve and the bearing; the top end of the fixed shaft is provided with a connecting hole, the inside of the connecting hole is fixedly connected with the bottom end of the supporting shaft, and a nut is rotatably arranged below the bottom end of the supporting shaft; the inside of the nut is fixedly connected with the external thread; the outer surface of the supporting shaft is rotatably provided with the working wheel; the fixed shaft is rotationally connected with the belt through a gear.
Preferably, a guide groove is formed in one side of the surface of the base, and the guide groove is positioned between the driven shaft I and the driven shaft II; a support column is fixedly arranged on one side above the base, a support plate is fixedly arranged at the top end of the support column, and a limit groove is formed in one side of the support plate; the limiting groove is positioned right above the driving shaft, the driven shaft I and the driven shaft II.
Preferably, the fixed shaft of the driving shaft is rotatably provided with a leading-in wheel and a working wheel, the fixed shaft of the driven shaft I is rotatably provided with a leading-out wheel and a working wheel, and the fixed shafts of the driving shaft and the driven shaft I are respectively and rotatably connected with the inside of the base through the shaft sleeve and the bearing; the gears are fixedly arranged at the bottom ends of the first fixing shafts of the driving shaft and the driven shaft respectively, the gears of the first fixing shafts of the driving shaft are fixedly connected with the top ends of the connecting shafts, and the first fixing shafts of the driving shaft and the driven shaft are rotatably connected with the belt through the corresponding gears.
Preferably, the support shaft comprises a Z-shaped shaft, an external thread head, a rotating shaft, a first fixed shaft, a second fixed shaft and a third fixed shaft, wherein the external thread head is fixedly arranged at one end of the Z-shaped shaft, and the bottom end of the external thread head is fixedly connected with the top end of the rotating shaft; the bottom end of the rotating shaft is rotationally connected with the inside of the connecting hole; the outer part of the thread head is rotationally connected with the inner part of the nut; the other end of the Z-shaped shaft is connected with the bottom end of the first fixed shaft through threads, the top end of the first fixed shaft is fixedly connected with the bottom end of the second fixed shaft through threads, and the top end of the second fixed shaft is fixedly connected with the bottom end of the third fixed shaft through threads; a working wheel is rotatably arranged between the Z-shaped shaft and the first fixed shaft, a working wheel is rotatably arranged between the first fixed shaft and the second fixed shaft, and a working wheel is rotatably arranged between the second fixed shaft and the third fixed shaft.
Preferably, the Z-shaped shaft, the top ends of the first fixed shaft and the second fixed shaft are respectively fixedly provided with a limiting shaft, and the outside of each limiting shaft is respectively rotatably provided with a rotating sleeve; the bottom ends of the first fixed shaft, the second fixed shaft and the third fixed shaft are respectively and fixedly provided with an external thread column, and a rotating sleeve is respectively and rotatably arranged outside the upper part of each external thread column; an anti-drop cap is fixedly arranged at the top end of the third fixed shaft; each external thread column is fixedly connected with the inside of the top end of each corresponding limiting shaft through threads; the guiding-in wheel, the guiding-out wheel and the working wheels are respectively and correspondingly rotatably arranged outside the corresponding limiting shafts.
Compared with the prior art, the utility model has the advantages that:
when the two-for-one twisting of the polyester fabric is performed through the one-step method, if the leading-in wheel, the leading-out wheel and the working wheel are damaged, the damaged leading-in wheel, the leading-out wheel and the working wheel can be independently disassembled for replacement, and if one integral structure of the driving shaft, the driven shaft I and the driven shaft II is required to be replaced, the nut is only required to be unscrewed to separate the fixing shaft from the supporting shaft, and at the moment, the damaged driving shaft, the driven shaft I or the driven shaft II can be independently disassembled, so that the disassembling steps are greatly reduced, and the whole device is very convenient and flexible.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of a separation structure of a driven shaft II, a driving shaft and a driven shaft I.
FIG. 3 is a schematic view of a driven shaft of the present utility model.
Fig. 4 is a schematic view of the structure of the support shaft of the present utility model.
In the figure:
base 1, guide slot 2, support column 3, backup pad 4, spacing groove 5, driving shaft 6, driven shaft one 7, driven shaft two 8, fixed shaft 81, gear 82, external screw thread 83, axle sleeve 84, connecting hole 85, supporting shaft 86, Z-shaped shaft 860, external screw thread head 861, rotation axis 862, fixed shaft one 863, fixed shaft two 864, fixed shaft three 865, swivel 866, spacing shaft 867, anti-disengaging cap 868, external screw thread post 869, nut 87, connecting shaft 9, belt 10, leading-in wheel 11, leading-out wheel 12, running wheel 13.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution of the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
The utility model is further described below with reference to the accompanying drawings:
example 1
Referring to fig. 1-4, a two-for-one twisting processing device for polyester fabrics by a one-step method comprises a base 1, a driving shaft 6, a driven shaft one 7, a driven shaft two 8, a connecting shaft 9, a belt 10, a leading-in wheel 11, a leading-out wheel 12 and a working wheel 13, wherein: one ends of the driving shaft 6, the driven shaft I7 and the driven shaft II 8 respectively penetrate through the inside of the base 1 and are in rotary connection with the inside of the base 1, the driving shaft 6, the driven shaft I7 and the driven shaft II 8 are arranged in a triangle shape, and the bottom ends of the driving shaft 6, the driven shaft I7 and the driven shaft II 8 are in transmission connection through a belt 10; the driving shaft 6, the driven shaft I7 and the driven shaft II 8 have the same composition structure;
it should be noted that, the base 1, the driving shaft 6, the driven shaft one 7, and the driven shaft two 8 adopt the working principle of the prior art, such as the tower friction disc false twister in the prior art, so the working principle thereof is not repeated here too much.
In the embodiment, a connecting shaft 9 is fixedly arranged at the bottom end of a driving shaft 6, the connecting shaft 9 is fixedly connected with a power shaft of an external power motor, a belt 10 is driven to rotate by the motor driving the connecting shaft 9, then a driven shaft I7 and a driven shaft II 8 are driven to rotate by the belt 10, and a leading-in wheel 11 and two working wheels 13 are rotatably arranged on the surface of the driving shaft 6 from top to bottom; the surface of the driven shaft 7 is rotatably provided with two working wheels 13 and a guiding-out wheel 12 from top to bottom; three working wheels 13 are rotatably arranged on the surface of the driven shaft II 8 from top to bottom; the leading-in wheel 11 and each working wheel 13 on the driving shaft 6 are positioned above each working wheel 13 on the surface of the driven shaft II 8; the working wheels 13 and the guiding-out wheels 12 on the surface of the driven shaft I7 are positioned below the working wheels 13 on the surface of the driven shaft II 8; the bottom surfaces of the leading-in wheel 11 and the working wheels 13 on the driving shaft 6 are contacted with the upper part of the working wheels 13 on the surface of the driven shaft II 8, and the lower part of the working wheels 13 on the surface of the driven shaft II 8 is contacted with the upper parts of the working wheels 13 and the leading-out wheel 12 on the surface of the driven shaft I7;
when the two-for-one twisting of the polyester fabric is performed by the one-step method, the polyester fabric can be positioned between the working wheels 13, so that the false twisting of the polyester fabric is performed by the working wheels 13.
In the embodiment, the driven shaft II 8 comprises a fixed shaft 81, a gear 82, external threads 83, a shaft sleeve 84, a connecting hole 85, a supporting shaft 86 and a nut 87, wherein the bottom end of the fixed shaft 81 is fixedly connected with the upper surface of the gear 82, and the external threads 83 are arranged on the outer side of the top end of the fixed shaft 81; the inside of the shaft sleeve 84 is rotatably connected with the outside above the fixed shaft 81, the shaft sleeve 84 is positioned below the external thread 83, and the fixed shaft 81 is rotatably connected with the inside of the base 1 through the shaft sleeve 84 and the bearing; a connecting hole 85 is formed in the top end of the fixed shaft 81, the inside of the connecting hole 85 is fixedly connected with the bottom end of a supporting shaft 86, and a nut 87 is rotatably arranged below the bottom end of the supporting shaft 86; the inside of the nut 87 is fixedly connected with the external thread 83; the outer surface of the support shaft 86 is rotatably provided with a running wheel 13; the fixed shaft 81 is rotatably connected with the belt 10 through a gear 82;
when one of the driven shafts 8, 6 or 7 is required to be replaced, if the driven shaft 8 is damaged, the corresponding nut 87 is only required to be unscrewed to separate the nut 87 from the external thread 83, and then the support shaft 86 is rotated to enable the support shaft to be in the shape of figure 2, at this time, the driven shaft 8 can be independently disassembled without disassembling the driven shaft 6 or 7, so that the whole is very convenient and flexible.
In the embodiment, a guide groove 2 is formed on one side of the surface of the base 1, and the guide groove 2 is positioned between a driven shaft I7 and a driven shaft II 8; a support column 3 is fixedly arranged on one side above the base 1, a support plate 4 is fixedly arranged at the top end of the support column 3 through threads, and a limit groove 5 is formed in one side of the support plate 4; the limit groove 5 is positioned right above the driving shaft 6, the driven shaft I7 and the driven shaft II 8;
when the polyester fabric is twisted two by two, the guide groove 2 and the limiting groove 5 can limit the polyester fabric, so that the polyester fabric is prevented from shifting.
In this embodiment, the support shaft 86 includes a Z-shaped shaft 860, an external screw head 861, a rotation shaft 862, a first fixing shaft 863, a second fixing shaft 864, a third fixing shaft 865, and an external screw head 861 is fixedly mounted at one end of the Z-shaped shaft 860, and the bottom end of the external screw head 861 is fixedly connected with the top end of the rotation shaft 862; the bottom end of the rotary shaft 862 is rotatably connected with the inside of the connecting hole 85; the outer part of the screw head 861 is rotationally connected with the inner part of the nut 87; the other end of the Z-shaped shaft 860 is connected with the bottom end of the first fixed shaft 863 through threads, the top end of the first fixed shaft 863 is fixedly connected with the bottom end of the second fixed shaft 864 through threads, and the top end of the second fixed shaft 864 is fixedly connected with the bottom end of the third fixed shaft 865 through threads; a running wheel 13 is rotatably arranged between the Z-shaped shaft 860 and the first fixed shaft 863, a running wheel 13 is rotatably arranged between the first fixed shaft 863 and the second fixed shaft 864, and a running wheel 13 is rotatably arranged between the second fixed shaft 864 and the third fixed shaft 865; the top ends of the Z-shaped shaft 860, the fixed shaft I863 and the fixed shaft II 864 are respectively fixedly provided with a limiting shaft 867, and the outside of each limiting shaft 867 is respectively rotatably provided with a rotating sleeve 866; the bottom ends of the first fixing shaft 863, the second fixing shaft 864 and the third fixing shaft 865 are respectively fixedly provided with an external thread column 869, and a rotating sleeve 866 is respectively rotatably arranged outside the upper part of each external thread column 869; the top end of the fixed shaft III 865 is fixedly provided with an anti-drop cap 868; each external thread column 869 is fixedly connected with the inside of the top end of each corresponding limit shaft 867 through threads; the leading-in wheel 11, the leading-out wheel 12 and the working wheels 13 are respectively and correspondingly rotatably arranged outside the corresponding limiting shafts 867;
when a certain working wheel 13 on the support shaft 86 is damaged, for example, the working wheel 13 between the fixed shaft II 864 and the fixed shaft III 865 is damaged, any other part is not required to be disassembled, the damaged working wheel 13 can be removed only by disassembling the fixed shaft III 865 and then replaced, and similarly, when the working wheel 13 between the fixed shaft I863 and the fixed shaft II 864 is damaged, only the fixed shaft II 864 is required to be directly disassembled, at the moment, more than one part of the fixed shaft II 864 is disassembled, and then the damaged working wheel 13 between the fixed shaft I863 and the fixed shaft II 864 is replaced; when the leading-in wheel 11 on the driving shaft 6 or the driven shaft 7 is damaged, the leading-out wheel 12 or the working wheel 13 can be detached and replaced in the mode.
By utilizing the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical scheme falls into the protection scope of the utility model.
Claims (5)
1. A one-step method polyester fabric two-for-one twisting processing device is characterized in that: including base (1), driving shaft (6), driven shaft one (7), driven shaft two (8), connecting axle (9), belt (10), leading-in wheel (11), leading-out wheel (12), running wheel (13), wherein: one end of a driving shaft (6), one end of a driven shaft I (7) and one end of a driven shaft II (8) respectively penetrate through the inside of the base (1) and are rotationally connected with the inside of the base (1), the driving shaft (6), the driven shaft I (7) and the driven shaft II (8) are arranged in a triangle shape, and the bottom ends of the driving shaft (6), the driven shaft I (7) and the driven shaft II (8) are in transmission connection through a belt (10); the driving shaft (6), the driven shaft I (7) and the driven shaft II (8) have the same composition structure;
a connecting shaft (9) is fixedly arranged at the bottom end of the driving shaft (6), the connecting shaft (9) is fixedly connected with a power shaft of an external power motor, and an introduction wheel (11) and two working wheels (13) are rotatably arranged on the surface of the driving shaft (6) from top to bottom; the surface of the driven shaft I (7) is rotatably provided with two working wheels (13) and a guiding-out wheel (12) from top to bottom; three working wheels (13) are rotatably arranged on the surface of the driven shaft II (8) from top to bottom; the guiding-in wheel (11) and each working wheel (13) on the driving shaft (6) are positioned above each working wheel (13) on the surface of the driven shaft II (8); the surface of the driven shaft I (7) is provided with a working wheel (13) and a guiding-out wheel (12) which are positioned below the working wheel (13) on the surface of the driven shaft II (8); the bottom surfaces of the leading-in wheel (11) and the working wheels (13) on the driving shaft (6) are contacted with the upper part of the working wheels (13) on the surface of the driven shaft II (8), and the lower part of the working wheels (13) on the surface of the driven shaft II (8) is contacted with the upper part of the working wheels (13) and the leading-out wheel (12) on the surface of the driven shaft I (7);
the driven shaft II (8) comprises a fixed shaft (81), a gear (82), external threads (83), a shaft sleeve (84), a connecting hole (85), a supporting shaft (86) and a nut (87), wherein the bottom end of the fixed shaft (81) is fixedly connected with the upper surface of the gear (82), and the external threads (83) are formed in the outer side of the top end of the fixed shaft (81); the inside of the shaft sleeve (84) is rotationally connected with the outside above the fixed shaft (81), the shaft sleeve (84) is positioned below the external thread (83), and the fixed shaft (81) is rotationally connected with the inside of the base (1) through the shaft sleeve (84) and the bearing; a connecting hole (85) is formed in the top end of the fixed shaft (81), the inside of the connecting hole (85) is fixedly connected with the bottom end of a supporting shaft (86), and a nut (87) is rotatably arranged below the bottom end of the supporting shaft (86); the inside of the nut (87) is fixedly connected with the external thread (83); the outer surface of the supporting shaft (86) is rotatably provided with the working wheel (13); the fixed shaft (81) is rotatably connected with the belt (10) through a gear (82).
2. The one-step polyester fabric two-for-one twisting device according to claim 1, wherein: a guide groove (2) is formed in one side of the surface of the base (1), and the guide groove (2) is positioned between a driven shaft I (7) and a driven shaft II (8); a support column (3) is fixedly arranged on one side above the base (1), a support plate (4) is fixedly arranged at the top end of the support column (3), and a limit groove (5) is formed in one side of the support plate (4); the limiting groove (5) is positioned right above the driving shaft (6), the driven shaft I (7) and the driven shaft II (8).
3. The one-step polyester fabric two-for-one twisting device as claimed in claim 2, wherein: the guide-in wheel (11) and the working wheel (13) are rotatably arranged on the fixed shaft (81) of the driving shaft (6), the guide-out wheel (12) and the working wheel (13) are rotatably arranged on the fixed shaft (81) of the driven shaft I (7), and the fixed shafts (81) of the driving shaft (6) and the driven shaft I (7) are respectively and rotatably connected with the inside of the base (1) through the shaft sleeve (84) and the bearing; the gear (82) is fixedly arranged at the bottom ends of the fixed shafts (81) of the driving shaft (6) and the driven shaft (7), the gear (82) of the fixed shaft (81) of the driving shaft (6) is fixedly connected with the top end of the connecting shaft (9), and the fixed shafts (81) of the driving shaft (6) and the driven shaft (7) are rotationally connected with the belt (10) through corresponding to the gear (82).
4. A one-step polyester fabric two-for-one twisting processing device as claimed in claim 3, wherein: the support shaft (86) comprises a Z-shaped shaft (860), an external thread head (861), a rotary shaft (862), a first fixed shaft (863), a second fixed shaft (864) and a third fixed shaft (865), one end of the Z-shaped shaft (860) is fixedly provided with the external thread head (861), and the bottom end of the external thread head (861) is fixedly connected with the top end of the rotary shaft (862); the bottom end of the rotary shaft (862) is rotationally connected with the inside of the connecting hole (85); the outer part of the thread head (861) is rotationally connected with the inner part of the nut (87); the other end of the Z-shaped shaft (860) is connected with the bottom end of the first fixed shaft (863) through threads, the top end of the first fixed shaft (863) is fixedly connected with the bottom end of the second fixed shaft (864) through threads, and the top end of the second fixed shaft (864) is fixedly connected with the bottom end of the third fixed shaft (865) through threads; a running wheel (13) is rotatably arranged between the Z-shaped shaft (860) and the first fixed shaft (863), the running wheel (13) is rotatably arranged between the first fixed shaft (863) and the second fixed shaft (864), and the running wheel (13) is rotatably arranged between the second fixed shaft (864) and the third fixed shaft (865).
5. The one-step polyester fabric two-for-one twisting device according to claim 4, wherein: the Z-shaped shaft (860) is fixedly provided with a limiting shaft (867) respectively at the top ends of a first fixed shaft (863) and a second fixed shaft (864), and a rotating sleeve (866) is rotatably arranged outside each limiting shaft (867); the fixed shaft I (863), the fixed shaft II (864) and the fixed shaft III (865) are respectively and fixedly provided with an external thread column (869), and the outside above each external thread column (869) is respectively and rotatably provided with a rotary sleeve (866); an anti-falling cap (868) is fixedly arranged at the top end of the third fixed shaft (865); each external thread column (869) is fixedly connected with the inside of the top end of each corresponding limiting shaft (867) through threads; the guiding-in wheel (11), the guiding-out wheel (12) and the working wheels (13) are respectively and correspondingly rotatably arranged outside the corresponding limiting shafts (867).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320065342.6U CN219568160U (en) | 2023-01-10 | 2023-01-10 | One-step polyester fabric two-for-one twisting processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320065342.6U CN219568160U (en) | 2023-01-10 | 2023-01-10 | One-step polyester fabric two-for-one twisting processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219568160U true CN219568160U (en) | 2023-08-22 |
Family
ID=87670275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320065342.6U Active CN219568160U (en) | 2023-01-10 | 2023-01-10 | One-step polyester fabric two-for-one twisting processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219568160U (en) |
-
2023
- 2023-01-10 CN CN202320065342.6U patent/CN219568160U/en active Active
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