CN214572938U - Mode switching twisting machine - Google Patents
Mode switching twisting machine Download PDFInfo
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- CN214572938U CN214572938U CN202120128982.8U CN202120128982U CN214572938U CN 214572938 U CN214572938 U CN 214572938U CN 202120128982 U CN202120128982 U CN 202120128982U CN 214572938 U CN214572938 U CN 214572938U
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Abstract
The utility model provides a mode switching twisting frame, it is including the first overfeed roller that is located two strands of twisting stations, is located two strands of and three strands of second overfeed rollers that switch the station, characterized by: the driving shaft is connected with the first overfeeding roller and the second overfeeding roller through the transmission mechanism and drives the first overfeeding roller and the second overfeeding roller to rotate, the transmission mechanism connected with the driving shaft and the second overfeeding roller is a transmission mechanism capable of switching transmission ratios, one group of transmission ratios are the same as the transmission ratio of the transmission mechanism connected with the first overfeeding roller, the other group of transmission ratios are smaller than the transmission ratio of the transmission mechanism connected with the first overfeeding roller, so that the linear speed of the first overfeeding roller of the two-strand twisting station is larger than the linear speed of the second overfeeding roller of the two-strand and three-strand switching station, and the two-strand and three-strand switching station is used for realizing the switching between the working conditions of two-strand direct twisting and three-strand direct twisting. By adopting the scheme, the twisting machine is switched between two-strand working mode and three-strand working mode, and the utilization rate of equipment is improved.
Description
Technical Field
The utility model belongs to the technical field of twisting frame and specifically relates to a mode switch twisting frame is related to.
Background
The three-strand straight twisting machine is mainly used for the industries of producing tire cords, industrial filter cloth, high-quality carpets and the like. Chinese patent
In a method and a twisting device for directly twisting three-ply yarn into a thread disclosed in document CN101429693A, two spindles form a station to realize one-time twisting of three-ply yarn. However, when the three-ply yarn order is insufficient, two of the two twisting stations can be used for normal straight twisting, and the three twisting stations cannot be used for normal straight twisting, so that the waste of equipment is caused. Utility model people find that this is because the overfeed roller rotational speed of three strands of twisting stations is different with the overfeed roller rotational speed of two strands of twisting stations. Chinese patent document CN 210458471U describes a twisting machine for producing three-strand wires by implementing three-strand twisting in such a way that each wire guiding device is designed to have a different diameter. This construction makes the three-ply yarn unusable for normal straight twisting processes as well.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a mode switch twisting frame is provided can realize that three strands of twisting stations switch between two strands of working conditions of twisting with fingers and three strands of working conditions of twisting with fingers with lower cost to improve equipment utilization rate.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a mode switch twisting frame, it includes the first overfeed roller that is located two strands of twisting stations, is located two strands and the second overfeed roller that three strands switched the station, characterized by: the driving shaft is connected with the first overfeeding roller and the second overfeeding roller through the transmission mechanism and drives the first overfeeding roller and the second overfeeding roller to rotate, the transmission mechanism connected with the driving shaft and the second overfeeding roller is a transmission mechanism capable of switching transmission ratios, one group of transmission ratios are the same as the transmission ratio of the transmission mechanism connected with the first overfeeding roller, the other group of transmission ratios are smaller than the transmission ratio of the transmission mechanism connected with the first overfeeding roller, so that the linear speed of the first overfeeding roller of the two-strand twisting station is larger than the linear speed of the second overfeeding roller of the two-strand and three-strand switching station, and the two-strand and three-strand switching station is used for realizing the switching between the working conditions of two-strand direct twisting and three-strand direct twisting.
In a preferred embodiment, two twisting stations are disposed adjacent to the two and three switching stations.
In the preferred scheme, in two-strand and three-strand switching stations, an overfeeding shaft is connected with a second overfeeding roller, a first driven gear and a second driven gear are fixedly arranged on the second overfeeding roller, and a first driving gear and a second driving gear are correspondingly arranged on a first driving shaft; the first driving gear is meshed with the first driven gear, and the second driving gear is meshed with the second driven gear;
the first driving shaft is connected with a driven gear on the overfeed shaft of the first overfeed roller through a fixed driving gear;
the first driving gear and the second driving gear are detachably connected with the first driving shaft to form two switchable transmission ratios.
In a preferred scheme, the first driving gear and the second driving gear are connected with the first driving shaft through a clutch.
In the preferred scheme, the first driving gear and the second driving gear are provided with screw holes which are communicated along the radial direction, the fixing screws are positioned in the screw holes, and the first driving shaft is tightly pushed or loosened according to the working condition requirement.
In the preferred scheme, the first driving gear, the second driving gear and the first driving shaft are provided with key slots, and the first driving gear and the second driving gear are in switching connection with the first driving shaft through sliding keys.
In the preferred scheme, in two-strand and three-strand switching stations, an overfeeding shaft is connected with a second overfeeding roller, a first driven gear and a first driving gear are fixedly arranged on the second overfeeding roller, and a second driving gear is correspondingly arranged on one first driving shaft; the first driving gear is used for being meshed with the first driven gear;
a second driving gear is correspondingly arranged on the other second driving shaft and is used for being meshed and connected with a second driven gear;
the first driving shaft and the second driving shaft are switchable to be close to the overfeed shaft, so that the first driving gear and the second driving gear are respectively and alternately meshed and connected with the first driven gear and the second driven gear.
In a preferred scheme, the first driving shaft and the second driving shaft are connected with the swing arm;
the swing arm is connected with the swing arm shaft and swings by taking the swing arm shaft as a circle center, so that the second driving gear is separated from the second driven gear when the first driving gear is meshed with the first driven gear, or the first driving gear is separated from the first driven gear when the second driving gear is meshed with the second driven gear.
In a preferred scheme, the swing arm shaft is in a Y shape.
In a preferable scheme, gear sets with fixed transmission ratio connected with the first overfeeding roller are further arranged on the first driving shaft and the second driving shaft.
The utility model discloses the people discovers, through the scheme of the rotational speed of the second overfeed roller of independent control, can make three strands of twist thread stations switch between two strands and three strands of mode, what begin to adopt is the scheme of every second overfeed roller independent control, but under this scheme, every buncher and corresponding variable frequency control system make manufacturing cost increase by a wide margin. The space at the position of the overfeed roller is very narrow, and the speed change mechanism is very difficult to install.
The utility model provides a mode switch twisting frame switches the scheme that the station switches different drive ratios for two strands and three strands through adopting, has realized that twisting frame switches between two strands and three strand mode of operation, has improved the utilization ratio of equipment. And the structure is simple, the operation is convenient, and the manufacturing cost is not increased much.
Drawings
The following further description is made in conjunction with the accompanying drawings and examples.
Fig. 1 is a transmission structure diagram of a single second overfeed roller of the present invention.
Fig. 2 is a schematic view of the transmission structure of a plurality of second overfeeding rollers of the present invention.
Fig. 3 is a schematic view of another alternative transmission structure of a plurality of second overfeed rollers according to the present invention.
Fig. 4 is a schematic view of the radial cross section of fig. 3.
Fig. 5 is a schematic structural diagram of two twisting stations and two and three switching stations in the present invention.
Fig. 6 is a perspective view of two twisting stations and two and three switching stations in the present invention.
In the figure: the automatic wire twisting machine comprises a first driven gear 1, a second driven gear 2, an overfeeding shaft 3, a second overfeeding roller 4, a first driving gear 5, a first fixing screw 6, a second driving gear 7, a second fixing screw 8, a first driving shaft 9, a two-strand twisting station 10, a two-strand and three-strand switching station 11, a second driving shaft 12, a swing arm shaft 13, a first overfeeding roller 14 and a swing arm 15.
Detailed Description
Example 1:
as shown in figures 1 and 2, a mode switching twisting machine comprises a first overfeeding roller 14 positioned at a two-strand twisting station 10, a second overfeeding roller 4 positioned at a two-strand and three-strand switching station 11, a driving shaft connected with the first overfeeding roller 14 and the second overfeeding roller 4 through a transmission mechanism, and drives the first overfeeding roller 14 and the second overfeeding roller 4 to rotate, the transmission mechanism of which the driving shaft is connected with the second overfeeding roller 4 is a transmission mechanism with switchable transmission ratio, one set of the transmission ratios is the same as the transmission ratio of the transmission mechanism connected with the first overfeed roller 14, the other set of the transmission ratios is different from the transmission ratio of the transmission mechanism connected with the first overfeed roller 14 and smaller, so that the linear speed of the first overfeed roller 14 of the two-strand twisting station 10 is greater than the linear speed of the second overfeed roller 4 of the two-strand and three-strand switching station 11, the two-strand and three-strand switching station 11 is used for switching between two-strand straight twisting working conditions and three-strand straight twisting working conditions. In the preferred embodiment, two twisting stations 10 are arranged adjacent to two and three switching stations 11. The transmission ratio in this example refers to the ratio of the input rotational speed to the output rotational speed.
Example 2:
on the basis of the embodiment 1, a preferable scheme is as shown in fig. 1 and 2, in a two-strand and three-strand switching station 11, an overfeeding shaft 3 is connected with a second overfeeding roller 4, a first driven gear 1 and a second driven gear 2 are fixedly arranged on the second overfeeding roller 4, and a first driving gear 5 and a second driving gear 7 are correspondingly arranged on a first driving shaft 9; the first driving gear 5 is meshed with the first driven gear 1, and the second driving gear 7 is meshed with the second driven gear 2;
the first driving shaft 9 is connected with a driven gear on the overfeed shaft 3 of the first overfeed roller 14 through a fixed driving gear;
the first driving gear 5 and the second driving gear 7 are detachably connected with the first driving shaft 9 to form two switchable gear ratios.
In a preferred scheme, the first driving gear 5 and the second driving gear 7 are connected with the first driving shaft 9 through a clutch.
In the preferred scheme, the first driving gear 5 and the second driving gear 7 are provided with screw holes which are penetrated along the radial direction, the fixing screws are positioned in the screw holes, and the first driving shaft 9 is tightly pressed or loosened according to the requirements of working conditions.
In a preferred scheme, the first driving gear 5, the second driving gear 7 and the first driving shaft 9 are provided with key slots, and the first driving gear 5 and the second driving gear 7 are in switching connection with the first driving shaft 9 through sliding keys.
When two-strand and three-strand switching stations 11 need to be switched to a three-strand straight twisting working condition, the second driving gear 7 is connected with the first driving shaft 9, and the first driving gear 5 idles; and when two strands and three strands of switching station 11 need to be switched to two strands of straight twist working conditions, be connected first driving gear 5 with first driving shaft 9, second driving gear 7 idle running. The advantage of this embodiment is that it is less expensive to implement and only adds a few gears.
Example 3:
on the basis of the embodiment 1, in a preferred scheme as shown in fig. 3 and 4, in a two-strand and three-strand switching station 11, an overfeeding shaft 3 is connected with a second overfeeding roller 4, a first driven gear 1 and a first driving gear 5 are fixedly arranged on the second overfeeding roller 4, and a second driving gear 7 is correspondingly arranged on a first driving shaft 9; the first driving gear 5 is used for being meshed with the first driven gear 1;
a second driving gear 7 is correspondingly arranged on the other second driving shaft 12, and the second driving gear 7 is used for being meshed and connected with the second driven gear 2;
the first driving shaft 9 and the second driving shaft 12 are switchable close to the overfeed shaft 3 so that the first driving gear 5 and the second driving gear 7 are respectively and alternately in meshed connection with the first driven gear 1 and the second driven gear 2.
In a preferred scheme, the first driving shaft 9 and the second driving shaft 12 are connected with a swing arm 15;
the swing arm 15 is connected to the swing arm shaft 13 and swings around the swing arm shaft 13 as a center of circle, so that the second driving gear 7 is separated from the second driven gear 2 when the first driving gear 5 is engaged with the first driven gear 1, or the first driving gear 5 is separated from the first driven gear 1 when the second driving gear 7 is engaged with the second driven gear 2.
In a preferred scheme, the swing arm shaft 13 is in a Y shape.
In a preferred scheme, the first driving shaft 9 and the second driving shaft 12 are also provided with gear sets with fixed transmission ratio connected with the first overfeed roller 14.
When two strands and three strands of switching stations 11 need to be switched to the three strands of straight twisting working conditions, the rotation angle of the swing arm shaft 13 is adjusted, the second driving gear 7 is meshed with the second driven gear 2, and the first driving gear 5 is separated from the first driven gear 1. And when two strands and three strands of switching stations 11 need to be switched to two strands of straight twisting working conditions, the rotation angle of the swing arm shaft 13 is adjusted, the first driving gear 5 is meshed with the first driven gear 1 and connected, and the second driving gear 7 is separated from the second driven gear 2. The advantage of this example is that the switching is very easy and there is no wear to the gear holes and the drive shaft due to the idle rotation of the gears.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. A mode switching twisting machine comprising a first overfeed roller (14) located at two twisting stations (10), a second overfeed roller (4) located at two and three switching stations (11), characterized in that: the driving shaft is connected with the first overfeeding roller (14) and the second overfeeding roller (4) through a transmission mechanism and drives the first overfeeding roller (14) and the second overfeeding roller (4) to rotate, the transmission mechanism connected with the driving shaft and the second overfeeding roller (4) is a transmission mechanism capable of switching transmission ratios, one group of transmission ratios is the same as the transmission ratio of the transmission mechanism connected with the first overfeeding roller (14), and the other group of transmission ratios is smaller than the transmission ratio of the transmission mechanism connected with the first overfeeding roller (14), so that the linear speed of the first overfeeding roller (14) of the two-strand twisting station (10) is larger than the linear speed of the second overfeeding roller (4) of the two-strand and three-strand switching stations (11), and the two-strand and three-strand switching stations (11) are used for switching between two-strand straight twisting and three-strand straight working conditions.
2. The mode-switching twisting machine according to claim 1, wherein: two twisting stations (10) are arranged adjacent to two and three switching stations (11).
3. The mode-switching twisting machine according to claim 1, wherein: in two-strand and three-strand switching stations (11), an overfeeding shaft (3) is connected with a second overfeeding roller (4), a first driven gear (1) and a second driven gear (2) are fixedly arranged on the second overfeeding roller (4), and a first driving gear (5) and a second driving gear (7) are correspondingly arranged on a first driving shaft (9); the first driving gear (5) is meshed with the first driven gear (1), and the second driving gear (7) is meshed with the second driven gear (2);
the first driving shaft (9) is connected with a driven gear on the overfeed shaft (3) of the first overfeed roller (14) through a fixed driving gear;
the first driving gear (5) and the second driving gear (7) are detachably connected with the first driving shaft (9) to form two switchable gear ratios.
4. The mode-switching twisting machine according to claim 3, wherein: the first driving gear (5) and the second driving gear (7) are connected with the first driving shaft (9) through a clutch.
5. The mode-switching twisting machine according to claim 3, wherein: the first driving gear (5) and the second driving gear (7) are provided with screw holes which are communicated along the radial direction, the fixing screws are positioned in the screw holes, and the first driving shaft (9) is tightly pushed or loosened according to the working condition requirement.
6. The mode-switching twisting machine according to claim 3, wherein: the first driving gear (5), the second driving gear (7) and the first driving shaft (9) are provided with key slots, and the first driving gear (5) and the second driving gear (7) are in switching connection with the first driving shaft (9) through sliding keys.
7. The mode-switching twisting machine according to claim 1, wherein: in two-strand and three-strand switching stations (11), an overfeeding shaft (3) is connected with a second overfeeding roller (4), a first driven gear (1) and a first driving gear (5) are fixedly arranged on the second overfeeding roller (4), and a second driving gear (7) is correspondingly arranged on a first driving shaft (9); the first driving gear (5) is used for being meshed and connected with the first driven gear (1);
a second driving gear (7) is correspondingly arranged on the other second driving shaft (12), and the second driving gear (7) is used for being meshed and connected with the second driven gear (2);
the first driving shaft (9) and the second driving shaft (12) are switchable close to the overfeed shaft (3) so that the first driving gear (5) and the second driving gear (7) are respectively and alternately meshed and connected with the first driven gear (1) and the second driven gear (2).
8. The mode-switching twisting machine according to claim 7, wherein: the first driving shaft (9) and the second driving shaft (12) are connected with the swing arm (15);
the swing arm (15) is connected with the swing arm shaft (13) and swings by taking the swing arm shaft (13) as a circle center, so that the second driving gear (7) is separated from the second driven gear (2) when the first driving gear (5) is meshed with the first driven gear (1), or the first driving gear (5) is separated from the first driven gear (1) when the second driving gear (7) is meshed with the second driven gear (2).
9. The mode-switching twisting machine according to claim 8, wherein: the swing arm shaft (13) is Y-shaped.
10. The mode-switching twisting machine according to claim 7, wherein: the first driving shaft (9) and the second driving shaft (12) are also provided with a gear set with a fixed transmission ratio connected with the first overfeed roller (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120128982.8U CN214572938U (en) | 2021-01-18 | 2021-01-18 | Mode switching twisting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120128982.8U CN214572938U (en) | 2021-01-18 | 2021-01-18 | Mode switching twisting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214572938U true CN214572938U (en) | 2021-11-02 |
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ID=78368028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120128982.8U Expired - Fee Related CN214572938U (en) | 2021-01-18 | 2021-01-18 | Mode switching twisting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214572938U (en) |
-
2021
- 2021-01-18 CN CN202120128982.8U patent/CN214572938U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |