CN106868655B - False twisting device of ring spinning frame lappet - Google Patents
False twisting device of ring spinning frame lappet Download PDFInfo
- Publication number
- CN106868655B CN106868655B CN201710240827.3A CN201710240827A CN106868655B CN 106868655 B CN106868655 B CN 106868655B CN 201710240827 A CN201710240827 A CN 201710240827A CN 106868655 B CN106868655 B CN 106868655B
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- China
- Prior art keywords
- twisting
- yarn
- yarn guiding
- movable part
- wheel
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/92—Spinning or twisting arrangements for imparting transient twist, i.e. false twist
- D01H7/923—Spinning or twisting arrangements for imparting transient twist, i.e. false twist by means of rotating devices
-
- 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
- D01H13/04—Guides for slivers, rovings, or yarns; Smoothing dies
Abstract
The invention relates to a lappet false twisting device of a ring spinning frame in the textile industry, which comprises a twisting device for twisting yarns, a transmission mechanism for providing power for the twisting device, and a lappet for installing the twisting device and the transmission mechanism, wherein the lappet comprises a fixed part and a movable part, the fixed part is fixedly connected with a bracket of the ring spinning frame, and the movable part can rotate around the fixed part; the twisting device comprises a false twister for twisting yarns, yarn guiding porcelain and yarn guiding steel wires for stabilizing the yarns. The yarn splicing and bobbin replacement device can be used for yarn splicing and bobbin replacement under the condition that equipment operation is not stopped, the yarn replacement process is simplified, the downtime is reduced, the generation efficiency is improved, meanwhile, the cleaning difficulty is greatly reduced, and the labor intensity of staff is reduced.
Description
Technical Field
The invention relates to the technical field of textile machinery, in particular to a false twisting device of a lappet type ring spinning frame.
Background
The ring spinning technology is the most widely used spinning technology at home and abroad at present, while twisting is an important link of short fiber spinning, in the process, a sliver output by a front roller passes through a wire ring riding on the edge of a steel collar through a yarn guiding hook and is wound on a bobbin of a spindle in a tight manner, and when the spindle rotates, the wire ring rotates along the steel collar due to the traction of the tension of the sliver, so that the sliver obtains twist. The space between the front roller and the bead ring can be divided into a spinning section and a gas-filled section due to the existence of the yarn guiding hook. In the twisting and returning transmission process, friction of the yarn guide hook in the circumferential direction of the sliver plays a role in preventing the sliver from rotating, so that a twisting phenomenon is generated; the sliver is subjected to frictional resistance when passing through the bead ring, and a twisting resistance phenomenon is generated. Therefore, the twist of the spinning section is the smallest in the whole twisting process, and is also the place where the breakage is most easily generated.
However, in order to improve the twist of the spinning section, the invention patent with application number 20110335819. X discloses a combined friction false twister device of a ring spinning frame, which is installed in the spinning section from a front roller jaw to a yarn guiding hook of the existing ring spinning frame, each spinning spindle is correspondingly provided with a set of friction false twisters, each false twister comprises three spindles which are driven by the same driving belt and drive a friction plate to rotate, thereby realizing the false twisting of yarns on the outer circumferential surface of the friction plate, and further improving the twist of yarn strips between the false twisters and the front roller jaw. But in the above technique: 1. three driving wheels and a tension wheel are arranged in parallel in a space with the spindle spacing of only 70mm, the structure is complex, the manufacturing cost is high, and the space for the movement of the collective doffing tube gripper is occupied, so that the device is only suitable for a machine for manual doffing; 2. three twisting points are used, the twisting effect is good but the quality of the yarn is not good, and the cotton knots are increased; 3. when the yarn is stopped in the middle and started, particularly when the yarn is started after doffing, the yarn lacking tension is easily taken away from a twisting area by the edge of the false twister along the rotating direction, so that the broken ends are caused, and the operation difficulty is high; 4. the whole device is completely opened, cotton dust flies are easily accumulated, cotton is wound around the rotating part, the maintenance and cleaning difficulties are high, and the labor intensity of staff is increased.
Disclosure of Invention
In view of the above, it is necessary to provide a plate-like false twisting device for a ring spinning frame.
The false twisting device comprises a twisting device for twisting yarns, a transmission mechanism for providing power for the twisting device, and a lappet for mounting the twisting device and the transmission mechanism, wherein the lappet comprises a fixed part and a movable part, the fixed part is fixedly connected with a bracket of the ring spinning frame, and the movable part can rotate around the fixed part so as to drive the twisting device and the transmission mechanism to realize transmission disengagement and engagement;
the twisting device comprises a false twister for twisting yarns, yarn guiding porcelain and yarn guiding steel wires, wherein the yarn guiding porcelain is positioned below the false twister and is arranged on the movable part, and the yarn guiding steel wires cover and pass through the top of the false twister to form a space suitable for clamping the yarns with grooves of the yarn guiding porcelain.
Further, the transmission mechanism comprises a flat tangential belt driven by a speed reducing motor arranged on the ring spinning frame and a gear shaft which is in transmission fit connection with the false twister and is driven by the tangential belt.
Further, the tangential belt is supported by an eccentric wheel and a tangential belt friction wheel which are arranged on the fixing part, and the tangential belt friction wheel is arranged at the lower end of the gear shaft, wherein a dust cover is arranged outside the tangential belt friction wheel.
Further, the false twister consists of a shaft core, a twisting wheel and a friction rubber ring; the friction rubber ring is sleeved on the twisting wheel, the twisting wheel is arranged at the upper end of the shaft core through a bearing, and the shaft core is fixedly arranged on the movable part.
Further, the lower part of the twisting wheel is provided with a gear part in transmission connection with the transmission mechanism.
Further, a protective cover for protecting the gear part is arranged on the movable part.
Further, one end of the yarn guiding steel wire is arranged on the movable part, the yarn guiding steel wire is provided with a section of Z-shaped bending, and the Z-shaped bending gland is arranged at the top of the twisting wheel.
Further, the movable part is axially connected to the fixed part, and a torsion spring is arranged between the movable part and the fixed part.
Further, the yarn guiding porcelain is positioned below the false twister and fixed on the movable part; the yarn guiding porcelain is provided with a V-shaped groove; one end of the yarn guiding steel wire passes through the V-shaped groove and is tightly abutted against two sides of the V-shaped groove, so that a closed space is formed between the yarn guiding steel wire and the V-shaped groove.
The invention designs that the gear of the transmission mechanism is separated from the gear part of the twisting wheel by turning the lappet, thereby realizing the clutch switch function of power transmission, carrying out yarn joint and bobbin replacement under the condition of not stopping the operation of the equipment, reducing the downtime and improving the production efficiency; the yarn guiding hook is replaced by the design of the combination of the yarn guiding porcelain with the V-shaped groove and the yarn guiding steel wire, and the yarn guiding porcelain has the following advantages: the inner wall of the yarn guiding porcelain is smooth, the yarn resistance is small, the twist is smoothly transferred, meanwhile, when the yarn joint is replaced, the yarn guiding steel wire is only required to be pulled out from the yarn guiding porcelain, then the yarn is put into the yarn guiding porcelain, and then the yarn guiding steel wire is released, so that the yarn is automatically pressed stably due to the elasticity of the yarn guiding steel wire, the convenient operation is realized, and the yarn replacing process is simplified; because the friction rubber ring is sleeved on the twisting wheel, the rubber ring with the most proper hardness, roughness and width can be replaced according to the requirement of yarn quality, so that the yarn quality is ensured to the greatest extent; the design of the dust cover and the protective cover protects the bearing from being disturbed by cotton dust and flying during long-time running, and plays roles of preventing dust and reducing failure rate; the twisting wheel is arranged at the upper end of the shaft core through a bearing, the Z-shaped bent yarn guiding steel wire at the upper end of the twisting wheel is pulled out through the pulling-out gland, and cotton dust fly accumulated in the twisting wheel pair is taken out to be cleaned, so that the cleaning difficulty is greatly reduced, and the labor intensity of staff is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1-yarn, 2-false twister, 21-shaft core, 22-twisting wheel, 23-friction rubber ring, 31-tangential belt, 32-gear shaft, 33-tangential belt friction wheel, 34-protective cover, 35-dust cover, 41-yarn guiding porcelain, 42-yarn guiding steel wire, 5-lappet, 51-fixed part, 52-movable part, 6-bracket, 7-eccentric wheel, 8-front roller, 9-steel wire ring and 10-bobbin.
Detailed Description
The invention provides a lappet false twisting device of a ring spinning frame, which is arranged in a spinning section between a front roller 8 and a bead ring 9 of the ring spinning frame and comprises a twisting device for twisting yarns 1, a transmission mechanism for providing power for the twisting device, and a lappet 5 for installing the twisting device and the transmission mechanism, wherein the lappet 5 comprises a fixed part 51 and a movable part 52, the fixed part 51 is fixedly connected with a bracket 6 of the ring spinning frame, and the movable part 52 is axially connected with the fixed part 51 for rotation;
the twisting device comprises a false twister 2 for twisting the yarn 1, a yarn guiding porcelain 41 and a yarn guiding steel wire 42 for stabilizing the yarn 1, wherein the false twister 2 consists of a shaft core 21, a twisting wheel 22 and a friction rubber ring 23; the friction rubber ring 23 is sleeved on the twisting wheel 22, wherein the twisting wheel 22 is arranged at the upper end of the shaft core 21 through a bearing, the shaft core 21 is fixedly arranged on the movable part 52, and a gear part is arranged at the lower part of the twisting wheel 22;
further, one end of the yarn guiding wire 42 is disposed on the movable portion 52, the yarn guiding wire 42 is provided with a section of Z-shaped bending, the Z-shaped bending is pressed on the top of the twisting wheel 22, and the yarn guiding porcelain 41 is located below the false twister 2 and is fixed on the movable portion 52; the yarn guiding porcelain 41 is provided with a V-shaped groove; one end of the yarn guide wire 42 passes through the V-shaped groove and is tightly abutted against two sides of the V-shaped groove, so that a closed space is formed between the yarn guide wire and the V-shaped groove;
further, the transmission mechanism comprises a tangential belt 31 driven by a speed reducing motor arranged on the ring spinning frame and a gear shaft 32 which is connected with the false twister 2 in a matching way and is driven by the tangential belt 31, wherein a gear is arranged on the gear shaft 32, and the gear on the gear shaft 32 is meshed with the gear part positioned at the lower part of the twisting wheel 22;
in more detail, the belt 31 is supported by an eccentric 7 and belt friction wheel 33 provided on the ring spinning frame; the belt friction wheel 33 is arranged at the lower end of the gear shaft 32, the gear shaft 32 is axially arranged on the ring spinning frame, and the belt 7 drives the gear shaft 32 to rotate by driving the belt friction wheel 33, so that the gear shaft 32 has kinetic energy; the dust cover 35, which is additionally fixed to the movable part 52 by means of a bearing, encloses the upper part of the belt friction wheel 33 without affecting the transmission.
Further, the movable portion 52 is provided with a protective cover 34 for protecting the gear portion of the twisting wheel 22 and the gear on the gear shaft 32.
The invention is further described below with reference to fig. 1.
The lappet 5 comprises a fixed part 51 and a movable part 52, which are connected through a rotating shaft, a torsion spring is arranged in the middle of the lappet, the fixed part 51 is fixedly connected with a bracket 6 of a ring spinning frame, and the movable part 52 can rotate around the fixed part 51; when the bobbin 10 needs to be replaced or the yarn 1 needs to be reconnected, only the movable part 52 needs to be uncovered, and at the moment, the movable part 52 can drive the gear part of the twisting wheel 22 to be disconnected with the gear of the gear shaft 32 arranged on the fixed part 51, so that the machine does not need to be stopped; when twisting needs to be restarted, only the movable part 52 is put down, and simultaneously the gear part of the twisting wheel 22 is meshed with the gear of the gear shaft 32 arranged on the fixed part 51 again, the movable part 52 can tightly fix the part 51 to form a proper angle under the torsion of the torsion spring, so that the meshing transmission is more stable, the meshing transmission is not easy to be separated due to the influence of the transmission load, and the smooth restarting of the work is ensured; the invention designs that the gear of the transmission mechanism is separated from the gear part of the twisting wheel by turning the lappet, thereby realizing the clutch switch function of power transmission, carrying out yarn joint and bobbin replacement under the condition of not stopping the operation of the equipment, reducing the downtime and improving the production efficiency;
when twisting the yarn 1, the yarn 1 is pulled out from the front roller 8 and put on the friction rubber ring 23, then the yarn guiding steel wire 42 is pulled out from the yarn guiding porcelain 41, the yarn 1 is put into the yarn guiding porcelain 41, and then the yarn guiding steel wire 42 is released, so that the yarn 1 can be automatically pressed and stabilized due to the elasticity of the yarn guiding steel wire 42; the invention realizes single-wheel twisting, simplifies yarn changing process, simultaneously has smooth inner wall of yarn guiding porcelain 41, small resistance to yarn 1, smooth twist transmission and reduced damage to yarn 1;
because the friction rubber ring 23 is sleeved on the twisting wheel 22, the friction rubber ring 23 with the most proper hardness, roughness and width can be replaced according to the quality requirement of the yarn 1, and the quality of the yarn 1 is ensured to the greatest extent;
in detail, on-site dust and fly in a textile workshop are more, the twisting device needs to be cleaned regularly, when cleaning, the Z-shaped bent yarn guiding steel wires 42 at the upper end of the twisting wheel 22 can be pulled out through the pulling-out gland, and then the twisting wheel 22 is taken out to clean cotton dust fly accumulated in the interior, so that the cleaning difficulty is greatly reduced, and the labor intensity of staff is reduced.
In detail, the movable portion 52 is provided with a protective cover 34 for protecting the gear portion of the twisting wheel 22 and the gear on the gear shaft 32, and the protective cover 34 protects the bearing from being disturbed by cotton dust and fly, and plays roles of dust prevention and fault rate reduction.
In summary, the yarn splicing and bobbin replacement can be performed without stopping the operation of the equipment, the yarn replacement process is simplified, the downtime is reduced, the generation efficiency is improved, the cleaning difficulty is greatly reduced, and the labor intensity of staff is reduced.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (1)
1. The false twisting device of the lappet type of the ring spinning frame comprises a twisting device for twisting yarns, a transmission mechanism for providing power for the twisting device, and a lappet for installing the twisting device and the transmission mechanism, and is characterized in that:
the lappet comprises a fixed part and a movable part, the fixed part is fixedly connected with a bracket of the ring spinning frame, and the movable part can rotate around the fixed part so as to drive the twisting device and the transmission mechanism to realize the disconnection and engagement of transmission;
the twisting device comprises a false twister for twisting yarns, yarn guiding porcelain and yarn guiding steel wires, wherein the yarn guiding porcelain is positioned below the false twister and is arranged on the movable part, and the yarn guiding steel wires cover and pass through the top of the false twister to form a space suitable for clamping the yarns with grooves of the yarn guiding porcelain;
the transmission mechanism comprises a flat tangential belt driven by a speed reducing motor arranged on the ring spinning frame and a gear shaft which is connected with the false twister in a matched manner and driven by the tangential belt;
the belt is supported by an eccentric wheel and a belt friction wheel which are arranged on the fixing part, the belt friction wheel is arranged at the lower end of the gear shaft, and a dust cover is arranged outside the belt friction wheel;
the false twister consists of a shaft core, a twisting wheel and a friction rubber ring; the friction rubber ring is sleeved on the twisting wheel, the twisting wheel is arranged at the upper end of the shaft core through a bearing, and the shaft core is fixedly arranged on the movable part;
the lower part of the twisting wheel is provided with a gear part in transmission connection with the transmission mechanism;
the movable part is provided with a protective cover for protecting the gear part;
one end of the yarn guide steel wire is arranged on the movable part, the yarn guide steel wire is provided with a section of Z-shaped bending, and the Z-shaped bending gland is arranged at the top of the twisting wheel;
the movable part is connected with the fixed part in a shaft way, and a torsion spring is arranged between the movable part and the fixed part;
the yarn guiding porcelain is positioned below the false twister and is fixed on the movable part; the yarn guiding porcelain is provided with a V-shaped groove; one end of the yarn guiding steel wire passes through the V-shaped groove and is tightly abutted against two sides of the V-shaped groove, so that a closed space is formed between the yarn guiding steel wire and the V-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240827.3A CN106868655B (en) | 2017-04-13 | 2017-04-13 | False twisting device of ring spinning frame lappet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240827.3A CN106868655B (en) | 2017-04-13 | 2017-04-13 | False twisting device of ring spinning frame lappet |
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| Publication Number | Publication Date |
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| CN106868655A CN106868655A (en) | 2017-06-20 |
| CN106868655B true CN106868655B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710240827.3A Active CN106868655B (en) | 2017-04-13 | 2017-04-13 | False twisting device of ring spinning frame lappet |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988666A (en) * | 2018-01-09 | 2018-05-04 | 李炳烘 | A kind of single ingot machinery rotating type RING SPINNING false-twisting device and spinning frame |
| CN108166112A (en) * | 2018-03-08 | 2018-06-15 | 山东岱银纺织集团股份有限公司 | The spinning twist is delivered in relays device and ring spindle yarn equipment |
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