CN108385218B - Silk thread traction power system - Google Patents
Silk thread traction power system Download PDFInfo
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- CN108385218B CN108385218B CN201810386254.XA CN201810386254A CN108385218B CN 108385218 B CN108385218 B CN 108385218B CN 201810386254 A CN201810386254 A CN 201810386254A CN 108385218 B CN108385218 B CN 108385218B
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- bevel gear
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- planet carrier
- rotate
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- 230000007246 mechanism Effects 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 abstract description 13
- 238000012545 processing Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 18
- 239000003638 chemical reducing agent Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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
- D01H5/32—Regulating or varying draft
- D01H5/36—Regulating or varying draft according to a pre-arranged pattern, e.g. to produce slubs
-
- 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
- D01H5/44—Adjusting drafting elements, e.g. altering ratch
Abstract
The application relates to a silk thread traction power system, and belongs to the field of silk thread processing; the system comprises: the first power source is connected with and drives a first driving shaft, a first worm is arranged on the first driving shaft, and the first worm wheel can be driven to rotate; the second worm is arranged on the second driving shaft and can drive the second worm wheel to rotate; a second power source and a power mixer are arranged between the first driving shaft and the second driving shaft and are used for mixing and outputting power with two different purposes to the second driving shaft, so that the motion of the second driving shaft has two properties.
Description
Technical Field
The application relates to a silk thread traction power system, and belongs to the field of silk thread processing.
Background
In some thread processing processes, the threads are required to pass through the processing system strictly at a uniform speed, and strict elongation control is realized, so that the thread traction system is highly required based on the sensitive influence of the running speed and the elongation on the molecular structure of the material. The current silk thread traction system mainly comprises two independent silk thread traction machines controlled by motors, wherein one front silk thread traction machine controls the silk thread running speed at a set rotating speed, and the other rear silk thread traction machine is matched with the front silk thread traction machine at a slightly higher rotating speed to finish silk thread running and stretching.
At present, in the actual operation of the wire traction system, one wire traction machine is in a traction state (doing work), the other wire traction machine is in a traction state (braking), the control principle that the motors run at constant speed and output balanced torque is not met, the wires cannot be kept in a stable stress state through traction and traction between the two motors based on the performance problem of the motors, the doing work of the two motors obviously does not meet the process requirement, the stress of the wires is always in an oscillation state, the elongation rate cannot be kept in a stable value, the quality of the wires is finally seriously deviated from the theoretical requirement, and the uniformity index Cv value of the wires is higher.
Based on the technological requirement of a silk thread traction system, the uniform motion of silk threads consumes very little power, the tiny elongation rate also consumes very little power, two motors are adopted to apply work through the silk thread by using larger silk thread tension to consume very much energy (a front traction motor applies negative work against the silk thread tension and a rear traction motor applies positive work against the silk thread tension), and two uncoordinated high-power equipment operations are not beneficial to precisely controlling the silk thread speed and the elongation rate, which is just the problem of the silk thread traction system at present.
Disclosure of Invention
In order to control the wire running speed and the elongation, the application provides a wire traction power system, which comprises:
A first power source connected to and driving a first drive shaft;
Further comprising a second drive shaft; a second power source and a power mixer are arranged between the first driving shaft and the second driving shaft; wherein the first power source transfers the first power to the power mixer through the first drive shaft and the second power source transfers the second power directly to the power mixer. The mixed power is used to drive the second drive shaft.
As a preferred embodiment, the first driving shaft is provided with a first worm, and the first worm can drive the first worm wheel to rotate; the first worm gear may further control movement of one end of the wire via a transmission system. A second worm is arranged on the second driving shaft and can drive a second worm wheel to rotate; the second worm wheel can further control the movement of the other end of the wire through a transmission system.
As a preferred embodiment, the first power source is a first motor mounted on a first drive shaft.
As a preferred embodiment, the power mixer may select a differential; the second power source is a second motor mounted on the input shaft of the differential for driving the differential.
The differential mechanism comprises a planet carrier gear and a planet carrier, the second power source can drive the planet carrier gear, the planet carrier gear can drive the planet carrier to rotate, a first bevel gear, the planet bevel gear and a second bevel gear are further arranged in the planet carrier, and the planet bevel gear is installed on the planet carrier to revolve along with the planet carrier and can rotate. The first driving shaft is coaxially and fixedly connected with the first bevel gear, the second driving shaft is coaxially and fixedly connected with the second bevel gear, and the planetary bevel gears are respectively meshed with the first bevel gear and the second bevel gear.
When the differential is used as a power mixer, the first driving mode is as follows: the first motor drives the first driving shaft to rotate, the first driving shaft drives the first bevel gear to rotate, the first bevel gear drives the planetary bevel gear to rotate, the planetary bevel gear continues to drive the second bevel gear to rotate through rotation of the planetary bevel gear, and the second bevel gear drives the second driving shaft to rotate.
When the differential is used as a power mixer, the second driving mode is as follows: the second motor drives the planet carrier gear to move, and the planet carrier gear drives the planet carrier, so that the planet carrier drives the planet bevel gear to revolve, and the planet bevel gear continuously drives the first bevel gear and the second bevel gear through revolution of the planet bevel gear, so that the planet bevel gear acts on the first driving shaft and the second driving shaft respectively. When the first driving shaft is locked, the planetary bevel gears revolve and spin simultaneously, and only the second bevel gear is driven, thereby driving the second driving shaft.
When the differential is used as a power mixer, the third driving mode is as follows: the first motor drives the first driving shaft to rotate, the first driving shaft drives the first bevel gear to rotate, and the first bevel gear drives the planetary bevel gear to rotate; meanwhile, the second motor drives a planet carrier gear to move, and the planet carrier gear drives the planet carrier, so that the planet carrier drives a planet bevel gear to revolve; the planetary bevel gear drives the second bevel gear by its revolution and rotation, thereby driving the second drive shaft. Such a driving would result in a movement of the second drive shaft that has both the same movement characteristics from the first power source as the first drive shaft and movement characteristics from the second power source that are different from the first drive shaft.
As an alternative preferred embodiment, the power mixer comprises a third motor and a speed reducer, the third motor being axially mounted on the first drive shaft, rotatable therewith; meanwhile, the output end of the third motor is connected with the input end of the speed reducer, and the output end of the speed reducer is connected with the second driving shaft.
As a preferred embodiment, the third motor is provided with an electricity taking slip ring, which is used for connecting the third motor to a power supply to provide power for the motor.
As an alternative preferred embodiment, the power mixer is a transmission.
Specifically, the transmission comprises a first belt pulley and a second belt pulley, a belt is arranged between the first belt pulley and the second belt pulley for transmission, the first belt pulley is connected with a first driving shaft, and the second belt pulley is connected with a second driving shaft.
Or alternatively, when the power mixer is a transmission, the transmission may also be a geared transmission between a first drive shaft and a second drive shaft, for example, the first drive shaft having a first gear coupled thereto and the second drive shaft having a second gear coupled thereto, the first and second gears being intermeshed. The relative change of the rotation speed between the first driving shaft and the second driving shaft can be generated by adjusting parameters such as the size, the tooth number and the like of the gears.
When a belt or gear drive is used, the second power source is omitted.
As a preferred embodiment, the diameter size or the diameter ratio of the first pulley and the second pulley can be adjusted.
Compared with the prior art, the application has the beneficial effects that:
the application belongs to a silk thread traction power system, which is mainly used for enabling silk threads to pass through process treatment at a constant speed according to a set speed in the silk thread processing process, and simultaneously carrying out tensioning process processing on the silk threads according to a set elongation.
The application can solve the problems of accurate uniform walking, constant extension and uniform tension of the silk thread and can greatly reduce the uniformity index Cv value of the silk thread.
Drawings
FIG. 1 is a schematic diagram of a yarn traction power system according to the present application;
FIG. 2 is a schematic diagram of a wire traction power system mechanism with a differential as a power mixer;
FIG. 3 is a second schematic diagram of a wire traction power system mechanism using a differential as a power mixer;
FIG. 4 is a third schematic diagram of a wire traction power system mechanism with a differential as the power mixer;
FIG. 5 is a schematic diagram of a wire traction power system using a shaft mounted motor and its speed reducer as a power mixer;
FIG. 6 is a schematic diagram of a wire traction power system using a transmission as a power mixer;
In the figure, a first motor, a first driving shaft, a first worm gear, a second driving shaft, a second worm gear, a first bevel gear, a second bevel gear, a third motor, a speed reducer, an electric slip ring, a transmission, a first belt pulley, a second belt pulley and a belt.
Detailed Description
The following detailed description of the present application is provided in connection with specific embodiments, however, it should be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present application, it should be noted that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The above embodiments are merely illustrative of the preferred embodiments of the present application and are not intended to limit the scope of the present application, and various modifications and improvements made by those skilled in the art to the technical solution of the present application should fall within the protection scope defined by the claims of the present application without departing from the spirit of the design of the present application.
One embodiment of the present application provides a wire traction power system, but is not limited to being applicable to wire traction functions, and can be applied to any power driven system requiring similar functions; the system comprises a first power source which can be realized by a first motor 1, wherein the first power source is connected with a first driving shaft 2 and plays a driving role on the first driving shaft, a first worm 3 is arranged on the first driving shaft 2, and the first worm 3 can drive a first worm wheel 4 to rotate.
The silk thread traction power system further comprises a second driving shaft 5, a second worm 6 is arranged on the second driving shaft 5, and the second worm 6 can drive a second worm wheel 7 to rotate.
A second power source and a power mixer are arranged between the first drive shaft 2 and the second drive shaft 5, and the second power source can be realized by adopting a second motor 8, so that the motion of the second drive shaft 5 has two properties, namely the same motion characteristic from the first motor 1 as the motion characteristic of the first drive shaft 2 and the motion characteristic different from the motion characteristic of the first drive shaft 2 from the second motor 8. The dashed box in fig. 1 represents a power mixer.
(1) First kind of power mixer
As a preferred embodiment, the power mixer may select a differential 9; the second electric machine 8 is used to drive the movement of the differential 9.
As shown in fig. 2-4, the differential 9 includes a carrier gear 91 and a carrier 92, the second motor 8 may drive the carrier gear 91, the carrier gear 91 may drive the carrier 92 to rotate, and a first bevel gear 93, a planetary bevel gear 94 and a second bevel gear 95 are further disposed in the carrier 92, where the planetary bevel gear 94 is mounted on the carrier 92 and revolves with the carrier 92 and can rotate. The first driving shaft 2 is fixedly connected with the first bevel gear 93 coaxially, the second driving shaft 5 is fixedly connected with the second bevel gear 95 coaxially, and the planetary bevel gears 94 are respectively meshed with the first bevel gear 93 and the second bevel gear 95.
The first driving mode of the structure is as follows: as shown in fig. 2, when the second motor 8 is locked, the first motor 1 drives the first driving shaft 2 to rotate, the first driving shaft 2 drives the first bevel gear 93 to rotate, the first bevel gear 93 drives the planetary bevel gear 94 to rotate, the planetary bevel gear 94 continues to drive the second bevel gear 95 to rotate by its rotation, and the second bevel gear 95 drives the second driving shaft 5 to rotate. During the above driving, the first drive shaft 2 and the second drive shaft 5 are driven by the first motor 1 to output two opposite constant-speed rotations w.
The second driving mode of the structure is as follows: the second motor 8 drives the planet carrier gear 91 to move, and the planet carrier gear 91 can drive the planet carrier 92, so that the planet carrier 92 drives the planet bevel gear 94 to revolve, and the planet bevel gear 94 can continuously drive the first bevel gear 93 and the second bevel gear 95 by the revolution of the planet bevel gear 94, so as to act on the first driving shaft 2 and the second driving shaft 5 respectively. As shown in fig. 3, when the first driving shaft 2 is locked, the planetary bevel gears 94 revolve and spin simultaneously, and drive only the second bevel gears 95, thereby driving the second driving shaft 5.
Specifically, as shown in fig. 3, when the first driving shaft 2 is locked, the second motor 8 drives the planet carrier gear 91, and then drives the planet carrier 92 to rotate, the planet carrier 92 drives the planet bevel gear 94 mounted on the planet carrier 92 to revolve, and as the first driving shaft 2 is locked, the planet bevel gear 94 revolves to continuously stir the second bevel gear 95 to rotate, and the rotation speed difference u between the first driving shaft 2 and the second driving shaft 5 is completely controlled by the rotation speed output by the second motor 8.
The two driving modes can be respectively carried out or combined; as previously described, fig. 2 and 3 respectively enumerate examples of two driving modes that may be performed separately; fig. 4 shows an embodiment of the combination, by which, on the one hand, the first drive shaft 2 rotates the planetary bevel gear 94 via the first bevel gear 93, and on the other hand, the planet carrier 92 also revolves the planetary bevel gear 94, and finally, the planetary bevel gear 94 drives the second bevel gear 95 via its revolution and rotation.
As shown in fig. 4, the constant-speed rotation w of the first drive shaft 2 and the second drive shaft 5 driven by the first motor 1 and the rotation speed difference u driven by the second motor 8 do not affect each other. The first driving shaft 2 and the second driving shaft 5 can rotate at the rotation speeds of w and-w-u respectively, the first worm 3 and the second worm 6 are driven to rotate respectively, the first worm wheel 4 and the second worm wheel 7 can be driven to rotate at different speeds respectively, finally the first worm wheel 4 and the second worm wheel 7 respectively drive traction mechanisms at two ends of a silk thread, and the silk thread traction function of completely and independently controlling the silk thread running and stretching is completed.
The second motor 8 is overlapped with a rotation on a transmission route between the first worm wheel 4 and the second worm wheel 7 through the power mixer, so that the rotation speeds of the first worm wheel 4 and the second worm wheel 7 generate tiny differences under the condition of not interfering with wire running, and traction mechanisms at two ends of the wire are respectively driven through the first worm wheel 4 and the second worm wheel 7, and then the wire is stretched or loosened between the two groups of traction mechanisms. This stretching or loosening determines the elongation of the yarn, the magnitude of which can be independently adjusted by the rotation speed of the second motor 8.
The application sets the first worm 3 on the first driving shaft 2, and drives the first worm wheel 4, and the first worm wheel 4 outputs the rotation to the traction mechanism at one end of the silk thread. A second worm 6 is provided on the second drive shaft 5, and a second worm wheel 7 is driven, and rotation is output to a traction mechanism at the other end of the wire by the second worm wheel 7. The large-scale transmission characteristic of the worm gear, the characteristic of stable continuous output and stable rotation and the characteristic of no reverse transmission can ensure that the change of the tension of the silk thread does not influence the power distribution of a power source, and various vibration and other influencing factors from the power source can be filtered out greatly.
(2) Second type power mixer
Alternatively, as a preferred embodiment, the power mixer comprises a third motor 10 and a speed reducer 11, the third motor 10 being axially mounted on the first drive shaft 2 and rotatable with the first drive shaft 2, while the output of the third motor 10 is connected to the input of the speed reducer 11 and the output of the speed reducer 11 is connected to the second drive shaft 5. Thus, the third motor 10 can drive the decelerator 11, and the decelerator 11 can drive the second driving shaft 5.
As a preferred embodiment, the third motor 10 is provided with an electric slip ring 12, which acts like a brush, for connecting the third motor 10 to a power source for powering the motor.
As shown in fig. 5, the rotational energy of the third motor 10 is output through the speed reducer 11 at a rotational speed u superimposed between the first drive shaft 2 and the second drive shaft 5. The first drive shaft 2 and the second drive shaft 5 can be rotated at the rotational speeds w and w+u, respectively, by the driving of the two power sources of the first motor 1 and the third motor 10. The rotation speed u determines the elongation of the yarn, the magnitude of which can be independently regulated by the rotation speed of the second motor 8, the rotation speed w being dependent on the rotation speed of the first motor 1 and independently controlling the yarn running speed.
(3) Third kind of power mixer
Alternatively, as a preferred embodiment, the power mixer may be the transmission 13. Specifically, the transmission 13 includes a first pulley 131 and a second pulley 132, between which a belt 133 is disposed for transmission, the first pulley 131 is connected to the first driving shaft 2, and the second pulley 132 is connected to the second driving shaft 5. The rotational speed of the second drive shaft 5 can be adjusted by adjusting the diameter size or the diameter ratio of the respective pulleys.
As shown in fig. 6, when the elongation of the wire does not need to be adjusted at any time, a third power mixer may be used, two power sources (a first motor and a second motor, or a first motor and a third motor) in the wire traction power system may be combined into one, and only one power source, that is, the first motor 1, the first belt pulley 131 and the second belt pulley 132 have different diameters, so that a certain rotation speed ratio can be achieved, the first driving shaft 2 and the second driving shaft 5 generate the same rotation speed ratio, and the rotation speeds w and w+u are obtained respectively, so that two groups of driving wheels can be driven to achieve the functions of wire feeding and drawing according to the fixed elongation.
In the third power mixer, the transmission 13 may also be a geared transmission. It will be appreciated that the first drive shaft is provided with a first gear and the second drive shaft is provided with a second gear, the first gear and the second gear being intermeshed; by adjusting parameters such as the size, the number of teeth and the like of the two gears, the first driving shaft can drive the second driving shaft to rotate at different speeds. The figures are not provided here for the understanding of the gear engagement.
Claims (3)
1. A wire traction power system, comprising:
a first power source connected to and driving a first drive shaft (2);
Further comprising a second drive shaft (5);
A second power source and a power mixer are arranged between the first driving shaft (2) and the second driving shaft (5); the first power source transmits first power to the power mixer through the first driving shaft (2), the second power source directly transmits second power to the power mixer, and the mixed power is used for driving the second driving shaft (5);
The first power source is a first motor (1) arranged on a first driving shaft (2);
-said power mixer selecting differential (9); the second power source is a second motor (8) arranged on an input shaft of the differential (9) and used for driving the differential (9);
the differential mechanism (9) comprises a planet carrier gear (91) and a planet carrier (92), the second power source can drive the planet carrier gear (91), the planet carrier gear (91) can drive the planet carrier (92) to rotate, a first bevel gear (93), a planet bevel gear (94) and a second bevel gear (95) are further arranged in the planet carrier (92), and the planet bevel gear (94) is installed on the planet carrier (92) to revolve along with the planet carrier (92) and can rotate automatically; the first driving shaft (2) is fixedly connected with the first bevel gear (93) in a coaxial manner, the second driving shaft (5) is fixedly connected with the second bevel gear (95) in a coaxial manner, and the planetary bevel gears (94) are respectively meshed with the first bevel gear (93) and the second bevel gear (95); and
When the differential (9) is used as a power mixer, at least the driving mode is provided: the second motor (8) drives the planet carrier gear (91) to move, the planet carrier gear (91) drives the planet carrier (92) so that the planet carrier (92) drives the planet bevel gear (94) to revolve, and the planet bevel gear (94) continuously drives the first bevel gear (93) and the second bevel gear (95) through revolution of the planet bevel gear respectively, so that the planet bevel gear acts on the first driving shaft (2) and the second driving shaft (5) respectively; when the first drive shaft (2) is locked, the planetary bevel gears (94) revolve and spin simultaneously and drive only the second bevel gear (95), thereby driving the second drive shaft (5);
Further, a first worm (3) is arranged on the first driving shaft (2), and the first worm (3) can drive the first worm wheel (4) to rotate; a second worm (6) is arranged on the second driving shaft (5), and the second worm (6) can drive a second worm wheel (7) to rotate; and the first worm wheel (4) and the second worm (6) can respectively drive traction mechanisms at two ends of the silk thread.
2. A wire traction power system according to claim 1, characterized in that the differential (9) when acting as a power mixer has also the driving means: the first motor (1) drives the first driving shaft (2) to rotate, the first driving shaft (2) drives the first bevel gear (93) to rotate, the first bevel gear (93) drives the planetary bevel gear (94) to rotate, the planetary bevel gear (94) continues to drive the second bevel gear (95) to rotate through the rotation of the planetary bevel gear (94), and the second bevel gear (95) drives the second driving shaft (5) to rotate.
3. The wire traction power system according to claim 1 or 2, characterized in that the differential, when acting as a power mixer, further has a driving means: the first motor (1) drives the first driving shaft (2) to rotate, the first driving shaft (2) drives the first bevel gear (93) to rotate, and the first bevel gear (93) drives the planetary bevel gear (94) to rotate; simultaneously, the second motor (8) drives the planet carrier gear (91) to move, and the planet carrier gear (91) drives the planet carrier (92) so that the planet carrier (92) drives the planet bevel gear (94) to revolve; the planetary bevel gear (94) drives the second bevel gear (95) by its revolution and rotation, thereby driving the second drive shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810386254.XA CN108385218B (en) | 2018-04-26 | 2018-04-26 | Silk thread traction power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810386254.XA CN108385218B (en) | 2018-04-26 | 2018-04-26 | Silk thread traction power system |
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| Publication Number | Publication Date |
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| CN108385218A CN108385218A (en) | 2018-08-10 |
| CN108385218B true CN108385218B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810386254.XA Active CN108385218B (en) | 2018-04-26 | 2018-04-26 | Silk thread traction power system |
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| CN (1) | CN108385218B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142080B (en) * | 2018-10-10 | 2023-12-29 | 张维国 | Silk thread on-line detection device and on-line detection method |
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| CN108385218A (en) | 2018-08-10 |
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