CN113684566A - Upper rubber ring transmission twist-resistant jaw gathering spinning device - Google Patents
Upper rubber ring transmission twist-resistant jaw gathering spinning device Download PDFInfo
- Publication number
- CN113684566A CN113684566A CN202010416406.3A CN202010416406A CN113684566A CN 113684566 A CN113684566 A CN 113684566A CN 202010416406 A CN202010416406 A CN 202010416406A CN 113684566 A CN113684566 A CN 113684566A
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- Prior art keywords
- drafting
- twist
- integrated
- roller
- rubber ring
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 113
- 238000009987 spinning Methods 0.000 title claims abstract description 48
- 230000005540 biological transmission Effects 0.000 title claims abstract description 17
- 229920003023 plastic Polymers 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002783 friction material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 description 21
- 238000012423 maintenance Methods 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 6
- 238000010047 integrated composite spinning Methods 0.000 description 6
- 241000168254 Siro Species 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007378 ring spinning Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/72—Fibre-condensing guides
Abstract
The invention provides an integrated spinning device with an upper rubber ring transmission twisting-resistant jaw, which comprises a front drafting jaw, an integrated area, a twisting-resistant jaw and the like, wherein the integrated area is arranged between the lower part of the front drafting jaw and the twisting-resistant jaw, the integrated spinning device comprises a lower roller before drafting, an upper rubber roller after twisting, an upper rubber roller frame, a grid ring and a tensioner thereof, a negative pressure suction pipe and a plug thereof and a connecting pipe orifice thereof, and is characterized in that the periphery of the upper rubber roller before drafting and the upper rubber roller after twisting, the plug thereof and the connecting pipe orifice thereof are sleeved with the drafting integrated rubber ring, and a drafting integrated rubber ring tensioner is arranged at the lower part of the upper rubber roller frame, corresponding to the drafting integrated rubber ring.
Description
Technical Field
The invention relates to an integrated compact spinning device attached to a ring spinning frame in spinning machinery, in particular to a negative pressure airflow type integrated compact spinning device adopting flexible integrated components such as grid rings or rubber rings with holes and the like.
Background
The large-scale industrialized application of the integrated spinning technology has about 20 years of history, and has become the most influential technical progress in the development history of the ring spinning technology, and the application scale is continuously increased. Domestic operating numbers have exceeded 3000 thousand spindles and will continue to expand. In the application of the domestic compact spinning device, the compact spinning device has four characteristics in number:
firstly, the improved number of stock spinning frames greatly surpasses that of the new incremental machines;
secondly, the number of the domestic devices greatly exceeds that of the imported devices;
thirdly, the application amount of the four-roller grid ring negative pressure gathering form in the five gathering spinning technical structures is greatly more than that of other structural forms;
and fourthly, the three-roller and four-roller negative pressure gathering device adopting the grid ring as the gathering element occupies more than 90 percent of the total scale of the gathering spinning device.
In the three-roller and four-roller negative pressure gathering structure adopting flexible gathering elements such as grid rings, a structure for driving a twisting blocking jaw including the grid rings to move occupies a part of the gathering spinning device with small application investment and running cost.
The three-roller grid ring negative pressure gathering device is a gathering structure which is earlier applied in China, the movement speed of a twisting blocking jaw of the three-roller grid ring negative pressure gathering device depends on the diameter ratio of a pre-drafting gluing roller and a twisting blocking roller, the pre-gluing roller and the twisting blocking roller are both specially-made rubber roller cores with gears for each ingot, so that the investment cost is high, the twisting blocking roller needs to be ground simultaneously during grinding and maintenance of the pre-gluing roller, the ratio of the outer diameters of the pre-gluing roller and the twisting blocking roller is kept unchanged, the gathering tension drafting multiple is kept unchanged, the operation and maintenance cost is increased, and troubles are brought to daily production management. Therefore, most spinning users prefer to use the four-roller grid ring negative pressure gathering device, so that the market demand of the four-roller grid ring negative pressure gathering device is met, and the market share of the four-roller grid ring negative pressure gathering device is greatly higher than that of the three-roller grid ring negative pressure gathering device.
The twisting-resistant jaw driving of the four-roller grid ring negative pressure gathering device is completed by a specially-made front lower roller with a gear through a bridge gear to drive a specially-made twisting-resistant roller, and a universal rubber roller core can be adopted because the driving force is not transmitted by a front upper rubber roller and a twisting-resistant rubber roller, so that the twisting-resistant rubber roller does not need to be simultaneously ground when the front upper rubber roller is ground and maintained, the daily operation and maintenance are relatively convenient, and the operation cost is lower. However, the investment cost is high because the common front lower roller needs to be replaced into the front lower roller with each section provided with the gear and the twist-resistant roller with each section provided with the gear is added during the transformation.
Therefore, the three-roller grid ring negative pressure gathering device is greatly surpassed by the four-roller grid ring negative pressure gathering device in the aspect of application market share because of higher operation and maintenance cost and higher daily management difficulty. The four-roller grid ring negative pressure gathering device wastes financial resources because the original front lower roller without the gear needs to be replaced and discarded, and increases investment cost because a specially-made twist-resistant roller needs to be added.
In the prior art, the transmission structure of the twist stopping jaw and the grid ring in the three-roller and four-roller grid ring negative pressure gathering device depends on that each rubber roller or each section of roller is provided with a gear transmission mechanism, thereby increasing the investment cost of the device and increasing the operation cost of maintenance and management.
Disclosure of Invention
The invention aims to provide a twist stopping jaw and a grid ring transmission technical scheme of an integrated composite spinning device adopting a grid ring as an integrated composite element, which do not need to be additionally provided with a gear transmission mechanism on a drafting front lower roller or a front upper rubber roller, and do not depend on the ratio configuration of the diameters of the front upper rubber roller and the twist stopping upper rubber roller, so that the transmission of the twist stopping jaw and the grid ring is realized. Thereby greatly reducing the investment and the operation cost of the grid ring negative pressure gathering device and reducing the difficulty of daily maintenance and production management of the gathered spinning.
The implementation mode of the invention is as follows: the integrated spinning device comprises a drafting front lower roller, a drafting front upper rubber roller, a twisting-resistant upper rubber roller, an upper rubber roller frame, a grid ring, a tensioner of the grid ring, a negative pressure suction pipe, a plug of the grid ring and a connecting pipe opening, and is characterized in that the drafting integrated rubber ring is sleeved on the outer peripheries of the drafting front upper rubber roller and the twisting-resistant upper rubber roller, and a drafting integrated rubber ring tensioner is arranged below the upper rubber roller frame and corresponds to the drafting integrated rubber ring.
The drafting and gathering rubber ring is sleeved on the periphery of the front drafting gluing roller and the twisting-resistant gluing roller, the front drafting lower roller is in contact with the front drafting gluing roller set to form a drafting jaw, the fiber strands are held to finish spinning drafting, the grid ring is in contact with the twisting-resistant gluing roller set to form a twisting-resistant jaw, and the grid ring is driven. The upper part of the drafting and gathering rubber ring tensioner arranged at the lower part of the upper rubber roller frame upwards supports the loose edge of the drafting and gathering rubber ring, a lateral airflow channel is arranged between the bottom surface and the grid ring, negative pressure airflow flows through the grid ring from the lateral airflow channel between the bottom of the tensioner and the grid ring and enters the suction groove on the negative pressure suction pipe, and the lateral airflow enables gathered strands to be efficiently gathered under lower negative pressure.
When the spinning device is used as a four-roller integrated spinning device, a twist-resistant lower roller is arranged at the downstream of a negative pressure suction pipe, a grid ring surrounds the periphery of the negative pressure suction pipe and the twist-resistant lower roller, and a twist-resistant jaw is formed by a twist-resistant upper rubber roller, a drafting integrated rubber ring, the grid ring and the twist-resistant lower roller.
The high-efficiency compact spinning device adopting the technical scheme of the upper rubber ring transmission twisting-blocking jaw reduces the gear mechanisms and related parts for the transmission twisting-blocking jaw and the grid ring in the prior art, simplifies the transmission structure of the twisting-blocking jaw and the grid ring, not only greatly reduces the investment and operation cost of the grid ring type negative pressure compact spinning device, but also greatly reduces the difficulty in daily maintenance and production management of the drafting and compact spinning device. The method brings a new stage of revolution and development to the field of integrated composite spinning, provides a technical solution with higher cost performance for the industry to popularize and apply the integrated composite spinning technology in a larger scale, and creates value for cost reduction, efficiency improvement and management improvement for industry users.
Drawings
FIG. 1 is a schematic cross-sectional view of a prior art three-roller compact spinning apparatus.
FIG. 2 is a schematic cross-sectional view of a four-roller compact spinning apparatus according to the prior art.
FIG. 3 is a schematic view of an embodiment of the integrated composite spinning device with a apron-driven twist-stop nip according to the present invention.
FIG. 4 is a schematic view of a cover plate of a single yarn suction tube with a detachable structure of suction slot and negative pressure suction tube.
FIG. 5 is a schematic view of the cover plate of the integrated siro yarn suction pipe with the detachable structure of the suction groove and the negative pressure suction pipe.
FIG. 6 is a schematic view of a four-roller grid ring negative pressure gathering spinning device with a twisting-blocking jaw and a rubber ring transmission.
Detailed Description
The twisting-resistant nip of the prior art three-roller gathering spinning device in the attached figure 1 is driven by a gear on the front sizing roller through a gap bridge gear (or a toothed belt) and a gear on the twisting-resistant sizing roller.
The twist-stopping jaw of the prior art four-roller gathering spinning device in the attached figure 2 is driven by a gear on a front lower roller through a gap bridge gear and a gear on a twist-stopping lower roller.
FIG. 3 shows an embodiment of a three-roller negative-pressure gathering spinning device with a stop-twist jaw and a driving upper rubber ring, which is composed of a front drafting jaw 4, a gathering zone and a stop-twist jaw 11, wherein the gathering zone is arranged between the downstream of the front drafting jaw 4 and the stop-twist jaw 11, the gathering spinning device comprises a lower front drafting roller 5, a front upper rubber roller 3, a stop-twist upper rubber roller 8, an upper rubber roller frame 2, a drafting gathering rubber ring 1, a grid ring 6, a tensioner 7 thereof and a negative pressure suction pipe 12 (the plug and the connection pipe of the negative pressure suction pipe are not shown), the upper rubber roller frame 2 is in a double-spindle group, the upper rubber roller 3 and the stop-twist upper rubber roller 8 are arranged on the upper rubber roller frame 2, the upper rubber roller frame 2 and the front upper rubber roller 3 are arranged on a front claw of a cradle together, the drafting gathering rubber ring 1 is arranged around the periphery of the upper rubber roller 3 and the stop-twist upper rubber roller 8, the upper rubber roller 3 and the grid ring 6 are driven by the gathering rubber ring 1 to rotate, a drafting and gathering rubber ring tensioner 10 is arranged at each spindle position corresponding to the lower part of the drafting and gathering rubber ring at the lower part of the upper rubber roller frame 2.
The front drafting gluing roller 3, the drafting gathering rubber ring 1 and the front drafting bottom roller 5 form a front drafting jaw 4, the twisting-resistant gluing roller 8, the drafting gathering rubber ring 1, the grid ring 6 and the negative pressure suction pipe 12 form a twisting-resistant jaw 11, and the gluing roller frame 2 is pressed by the cradle to apply pressure to the front drafting jaw 4 and the twisting-resistant jaw 11. Under the action of the pressure of the cradle, the drafting gathering rubber ring 1 which is sleeved on the periphery of the upper rubber roller 3 before drafting and the upper rubber roller 8 for twisting resistance not only combines with the upper rubber roller 3 before drafting and forms a front jaw 4 before drafting with a lower roller 5 before drafting to hold the strands for completing the drafting of spun yarns, but also combines with the upper rubber roller 8 for twisting resistance and forms a jaw 11 for twisting resistance with the grid ring 6 to complete the driving of the grid ring 6.
The upper part of the drafting and gathering rubber ring tensioner 10 arranged at the lower part of the upper rubber roller frame 2 upwards supports the loose edge of the drafting and gathering rubber ring 1, so that the drafting and gathering rubber ring 1 is lifted up, and a space for observing a gathering area is reserved.
The bottom surface of the drafting gathering rubber ring tensioner 10 is an air flow guide surface, a lateral air flow channel 13 with the diameter of 2 mm, 3 mm, 4 mm or 5 mm is arranged between the bottom surface and the grid ring 6, negative pressure air flows through the grid ring 6 from the lateral air flow channel 13 between the bottom of the tensioner 10 and the grid ring 6 and enters an air suction groove 14 on a negative pressure suction pipe 12, and the lateral air flow enables gathered strands to be gathered efficiently under low negative pressure.
The bottom surface of the drafting gathering rubber ring tensioner 10 is axially a streamline curved surface, and the height of an airflow channel at the closest point between the tensioner 10 and the grid ring 6 is 1, 2 or 3 mm.
The drafting and gathering rubber ring 1 is mainly made of butyronitrile or polyurethane rubber and plastic materials, the thickness is 1.0-1.5 mm, particularly 1.2-1.3 mm, and the hardness of the drafting and gathering rubber ring 1 is Shore A50-68 degrees, particularly 55-60 degrees.
The main body of the drafting and gathering rubber ring tensioner 10 is arranged in a double-spindle integrated mode or a single-spindle integrated mode, the drafting and gathering rubber ring tensioner 10 is combined on the gluing roller frame 2, and the two spindle positions of the main body of the tensioner 10 are made of transparent plastics.
One or two sides of the drafting gathering rubber ring tensioner 10 on the two spindle positions are provided with gathering strand observation windows, so that the running state of the gathering strands can be observed conveniently under the condition that the upper rubber ring is shielded. The observation surface of the observation window is provided with an arc shape, so that the shape of the observed concentrated whisker strip can be amplified.
Further, an LED illuminating lamp is arranged on the main body of the tensioner 10 and irradiates the position of the concentrated fiber strand, and a battery (or a concentrated power supply wire) and a button switch of the LED illuminating lamp are arranged on the upper rubber roll frame 2.
An elastic tensioning piece 9 made of low-friction materials is arranged at the part, in contact with the drafting gathering rubber ring 1, above the main body of the drafting gathering rubber ring tensioner 10, the tensioning piece 9 is combined on the tensioner 10, the tensioning piece 9 supports the drafting gathering rubber ring 1 by 8-16 mm, and rubber ring guide wings are arranged on two sides of the top of the tensioning piece 9 to guide and stabilize the movement position of the drafting gathering rubber ring 1. The tension sheet 9 is made of an elastic stainless steel sheet or a synthetic material.
The rubber ring guide wing for guiding and stabilizing the motion position of the drafting gathering rubber ring 1 can be arranged at the lower part or the upper part of the upper rubber roller frame 2.
The suction slot 14 and the negative pressure suction pipe 12 are of an integral structure.
Referring to fig. 4 and 5, the suction grooves 14 and the negative pressure suction pipes 12 are formed as a separable suction pipe cover plate structure, and the suction grooves 16 and 18 are formed in the suction pipe cover plate 15 of each spindle position working area, and the suction pipe cover plate 15 is fastened to the negative pressure suction pipes 12. The separable structure of the suction pipe cover plate 15 is convenient for replacing the specification of the suction groove according to the process requirement and is also convenient for replacing spun gathered single yarns (figure 4) or gathered siro yarns (figure 5). The suction pipe cover plate 15 is made of a plate made of stainless steel and the like with good wear resistance and small friction coefficient with the grid ring.
Furthermore, the suction grooves 14 or 16, 18 on the negative pressure suction pipe 12 or the suction pipe cover plate 15 are arranged in three sections, and a transition section 17 for interrupting negative pressure airflow is arranged between the pre-gathering section 16 and the post-gathering section 18 to obtain the effect of saving the flow of the negative pressure airflow, wherein the length of the transition section 17 is 30% of the total length of the gathering grooves.
The surfaces of the gluing roller 3 and the twisting-resistant gluing roller 8 before drafting are grinded into an arc shape or a trapezoid shape with a high middle part and two low sides, so that the pressure for holding the strands can be increased under the same pressure, or the pressure of the cradle can be reduced under the same pressure for holding the strands; on the other hand, the drafting and gathering rubber ring 1 runs in the middle without deviation.
FIG. 6 shows an embodiment of a four-roller negative pressure gathering spinning device with a twisting-blocking jaw and a rubber ring transmission, which comprises a front drafting jaw 6-4, a gathering zone and a twisting-blocking jaw 6-11, wherein the gathering zone is arranged between the downstream of the front drafting jaw 6-4 and the twisting-blocking jaw 6-11, the gathering spinning device comprises a front drafting lower roller 6-5, a front drafting upper rubber roller 6-3, a twisting-blocking upper rubber roller 6-8, a twisting-blocking lower roller 6-12, a rubber roller frame 6-2, a drafting gathering rubber ring 6-1, a grid ring 6-6, a grid ring tensioner 6-7, a negative pressure suction pipe and an air suction groove 6-14 (the plug and the connecting pipe of the negative pressure suction pipe are not shown), the front upper rubber roller 6-3 and the drafting twisting-blocking upper roller 6-8 are arranged on the rubber roller frame 6-2, the rubber roller frame 6-2 and the front drafting upper rubber roller 6-3 are arranged on the front claw of a cradle together, the gluing roller frame 6-2 is pressed by the pressure of the cradle to apply pressure to the twist-resistant gluing roller 6-8 and the grid ring 6-6. The drafting gathering rubber ring 6-1 is sleeved on the periphery of the pre-drafting gluing roller 6-3 and the twisting-resistant gluing roller 6-8, the pre-drafting gluing roller 6-3 drives the twisting-resistant gluing roller 6-8 and the grid ring 6-6 to run through the drafting gathering rubber ring 6-1, and the lower part of the gluing roller frame 6-2 is provided with a drafting gathering rubber ring tensioner 6-10.
Compared with the technical and economic items of the three-roller and four-roller gathering spinning device in the prior art, the invention has the advantages that: (taking 480 spindle spinning frame as an example)
From the comparison of the above table with over ten technical and economic projects of the prior art, the present invention has significant advantages.
The invention can be used for a three-roller or four-roller integrated composite spinning device of a cotton spinning or wool spinning frame, and can also be used for an integrated composite siro spinning device or other novel combined integrated composite spinning devices.
Claims (10)
1. The integrated spinning device with upper rubber ring driving twist-resisting jaw is formed from front drafting jaw, integrated zone and twist-resisting jaw, and includes front drafting lower roller, front drafting upper rubber-covered roller, twist-resisting upper rubber-covered roller, upper rubber-covered roller frame, grid ring and its tension device, negative pressure suction pipe and its plug and connecting pipe orifice.
2. The upper rubber ring-driven twist-stop jaw integrated spinning device as claimed in claim 1, when used as a four-roller integrated spinning device, a twist-stop lower roller is arranged at the downstream of the negative pressure suction pipe, the grid ring surrounds the periphery of the negative pressure suction pipe and the twist-stop lower roller, and the twist-stop jaw is composed of a twist-stop upper rubber roller, a drafting integrated rubber ring, the grid ring and the twist-stop lower roller.
3. The upper apron-driven twist-stop jaw integrated spinning device as claimed in claim 1 or 2, characterized in that the bottom surface of the drafting integrated apron tensioner is an air flow guide surface, and a lateral air flow channel of 2, 3, 4 or 5 mm is provided between the bottom surface of the tensioner and the working surface of the lattice apron.
4. The upper apron-driven twist-stop jaw integrated spinning device as claimed in claim 1 or 2, characterized in that the bottom surface of the tensioner of the drafting integrated apron is axially a streamline curved surface, and the height of the airflow channel at the closest point between the tensioner and the mesh apron is 1, 2 or 3 mm.
5. The upper rubber ring transmission twist-blocking jaw integrated spinning device according to claim 1 or 2, characterized in that the drafting integrated rubber ring is mainly made of butyronitrile or polyurethane rubber plastic material, the thickness is 1.0-1.5 mm, especially 1.2-1.3 mm, and the hardness is Shore A50-68 degrees, especially 55-60 degrees.
6. The upper apron-driven twist-stop jaw integrated spinning device according to claim 1 or 2, characterized in that the main body of the drafting and integrating apron tightener is a double-spindle integrated body or a single-spindle device, and the drafting and integrating apron tightener is combined on the upper apron roller frame.
7. The upper rubber ring transmission twist-stop jaw integrated spinning device according to claim 1 or 2, characterized in that the main body of the two spindles of the drafting integrated rubber ring tensioner is made of transparent plastic, and one or two sides of the tensioner are provided with integrated fiber strand observation windows.
8. The upper rubber ring transmission twist-stop jaw integrated spinning device according to claim 1 or 2, characterized in that an elastic tension sheet made of low friction material is arranged at the contact part of the upper part of the main body of the drafting integrated rubber ring tensioner and the rubber ring, the tension sheet supports the rubber ring by 8-16 mm, and rubber ring guide wings are arranged at the two sides of the upper part of the tension sheet.
9. The upper rubber ring transmission twist-stop jaw compact spinning device as claimed in claim 1 or 2, characterized in that the suction groove and the negative pressure suction pipe are designed as a separable structure, the suction groove is arranged on the suction pipe cover plate of each spindle position working area, and the suction pipe cover plate is fastened on the suction pipe.
10. An upper apron-driven twist-stop jaw compact spinning device as claimed in claim 1 or 2, characterized in that the suction slot on the suction tube or suction tube cover is arranged in three sections, between the pre-collecting section and the post-collecting section there is a transition section in which the negative pressure air flow is interrupted, the length of the transition section being 30% of the total length of the compact slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010416406.3A CN113684566A (en) | 2020-05-17 | 2020-05-17 | Upper rubber ring transmission twist-resistant jaw gathering spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010416406.3A CN113684566A (en) | 2020-05-17 | 2020-05-17 | Upper rubber ring transmission twist-resistant jaw gathering spinning device |
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| Publication Number | Publication Date |
|---|---|
| CN113684566A true CN113684566A (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010416406.3A Pending CN113684566A (en) | 2020-05-17 | 2020-05-17 | Upper rubber ring transmission twist-resistant jaw gathering spinning device |
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| CN (1) | CN113684566A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959960A (en) * | 2022-05-17 | 2022-08-30 | 宜城市天舒纺织有限公司 | Double-gathering spinning device and spinning method |
-
2020
- 2020-05-17 CN CN202010416406.3A patent/CN113684566A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959960A (en) * | 2022-05-17 | 2022-08-30 | 宜城市天舒纺织有限公司 | Double-gathering spinning device and spinning method |
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Application publication date: 20211123 |
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| WD01 | Invention patent application deemed withdrawn after publication |