CN210596386U - Broken end cotton suction device for spinning frame - Google Patents
Broken end cotton suction device for spinning frame Download PDFInfo
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- CN210596386U CN210596386U CN201921496209.6U CN201921496209U CN210596386U CN 210596386 U CN210596386 U CN 210596386U CN 201921496209 U CN201921496209 U CN 201921496209U CN 210596386 U CN210596386 U CN 210596386U
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- fan
- cotton suction
- spinning frame
- frequency converter
- cotton
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Abstract
The utility model discloses a broken end cotton suction device for a spinning frame, which comprises a cotton suction flute pipe, a main air duct, a fan, an underground air duct, a control circuit, a control mainboard and a frequency converter, wherein the cotton suction flute pipe is arranged on the spinning frame and extends along the length direction of the spinning frame, the cotton suction flute pipe is provided with a plurality of air inlet holes for sucking broken cotton whiskers, the main air duct is arranged on the spinning frame and is communicated with the cotton suction flute pipe in an air flow manner, the fan is arranged on the spinning frame and is communicated with the air inlet of the main air duct in an air flow manner, the underground air duct is communicated with the air outlet of the fan in an air flow manner, the control circuit is electrically connected with the fan, the control mainboard is electrically connected in the control circuit, the time length of the fan operation standard is preset in the control mainboard, the frequency converter is electrically connected in the control circuit, the control mainboard is in signal connection with the frequency converter, the frequency converter is in control connection with the fan, the energy consumption of the fan is greatly saved.
Description
Technical Field
The utility model belongs to the technical field of the spinning, in particular to broken end cotton suction device for spinning frame.
Background
The spinning machine is mainly used for spinning the roving into spun yarn, when the spinning machine is started, the broken end rate is high, cotton whiskers continuously output from the drafting device can be wound on a traction roller if the cotton whiskers are not cleaned in time, so that the rollers wound with the cotton whiskers are mutually rubbed and collided, and the drafting device of the spinning machine is damaged, therefore, a cotton suction device is usually arranged on the spinning machine, for example, a Chinese patent 'spinning machine cotton suction pipe device' with the publication number of CN1657671A and a Chinese patent 'spinning machine broken end cotton suction device' with the publication number of CN104313741A can suck the broken cotton whiskers under the condition of broken ends of the yarn, so that the cotton whiskers are prevented from being wound on the traction roller, the drafting device is protected, and the broken ends of the yarn can be conveniently reconnected by a worker who inspects the spinning machine; however, when the spinning frame is started, the broken end rate is high, so the air suction force of the cotton suction fan needs to be increased, the cotton suction fan preferably operates at high frequency to quickly suck cotton whiskers, after the equipment operates for a period of time, the broken end rate is reduced until few broken cotton whiskers appear, and if the air suction fan operates at high frequency, the energy consumption of the air suction fan is increased, and the energy saving of the equipment is not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a can save disconnected end cotton suction device that is used for spinning frame of fan energy consumption.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a broken end cotton suction device for a spinning frame comprises:
the cotton suction flute pipe is arranged on the spinning machine and extends along the length direction of the spinning machine, and the cotton suction flute pipe is provided with a plurality of air inlet holes for sucking broken cotton whiskers;
the main air duct is arranged on the spinning frame and is communicated with the cotton suction flute pipe in an air flow manner;
the fan is arranged on the spinning frame, and an air inlet of the fan is in airflow communication with the main air duct;
the underground air duct is in airflow communication with an air outlet of the fan;
the control circuit is electrically connected with the fan;
the control mainboard is electrically connected in the control circuit, and the standard running time of the fan is preset in the control mainboard;
the frequency converter is electrically connected in the control circuit, the control main board is in signal connection with the frequency converter, the frequency converter is in control connection with the fan and can increase or decrease the working frequency of the fan based on a control signal sent by the control main board; when the running time of the fan is lower than the fan running standard time, the frequency converter controls the fan to improve the working frequency of the fan, and when the running time of the fan is higher than the fan running standard time, the frequency converter controls the fan to reduce the working frequency of the fan.
In the above technical solution, preferably, the operating frequency of the fan is 40 to 60 hz.
In the above technical solution, preferably, the fan has a maximum operating frequency of 60 hz and a minimum operating frequency of 40 hz, and when the operating time of the fan is lower than the operating standard of the fan, the fan is at the maximum operating frequency; and when the running time of the fan reaches the fan running standard time, the fan is under the lowest working frequency.
The utility model discloses a set up the operating frequency that the fan was controlled to the converter to can improve the operating frequency of fan under the higher condition of broken end rate when the spinning frame is started, make it induced draft at full speed, inhale away the cotton palpus fast, improve work efficiency, after equipment operation a period, under the lower condition of broken end rate, reduce the operating frequency of fan, reduce the energy consumption of fan.
Drawings
FIG. 1 is a schematic view of the partial structure of the head of the spinning frame of the present invention;
fig. 2 is a schematic diagram of the signal connection of the present invention;
fig. 3 is a schematic control flow diagram of the present invention;
wherein: 10. a frame; 11. a roving yarn feeding device; 111. a creel; 112. a roving spindle; 113. a roving bobbin; 12. a drafting device; 121. a cradle; 122. a leather roller; 123. a traction roller; 124. a roller drive mechanism; 13. a yarn guide device; 131. a yarn guide frame; 132. a ring; 133. a bead ring; 14. a spun yarn forming device; 141. a creel; 142. a fine yarn spindle; 143. a ring bobbin; 21. a cotton sucking flute pipe; 211. an air inlet hole; 22. a main air duct; 23. a fan; 24. an underground air duct; 25. a control circuit; 26. and a frequency converter.
Detailed Description
To explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following detailed description is made with reference to the accompanying drawings. The vertical, horizontal, front-rear directions in the present embodiment correspond to the respective positional relationships of the spinning machine shown in fig. 1, the upstream is a direction in which the roving yarn feeding device is located, and the downstream is a direction in which the spun yarn forming device is located; the length direction of the spinning machine refers to the left and right direction of the spinning machine shown in figure 1.
As shown in fig. 1, the spinning machine includes a frame 10, and a roving yarn feeding device 11, a drafting device 12, a yarn guide device 13, and a spun yarn forming device 14 are provided in this order from an upstream position to a downstream position on the frame 10. The spinning machine is also provided with a broken end cotton suction device for sucking broken end cotton whiskers, the head and tail of the spinning machine are provided with the broken end cotton suction device, and fig. 1 only takes the structure of the head part of the spinning machine as an example to briefly explain the components of the spinning machine and the specific structure of the broken end cotton suction device. The roving yarn feeding device 11 includes a creel 111 mounted on the frame 10, a roving spindle 112 mounted on the creel 111, and a roving bobbin 113 mounted on the roving spindle 112, a roving yarn fed from the roving bobbin 113 is introduced into the drafting device 12, the drafting device 12 includes a cradle 121 mounted on the frame 10, a plurality of leather rollers 122 are mounted on the cradle 121, and a plurality of drawing rollers 123 and a roller driving mechanism 124 for driving the plurality of drawing rollers 123 to rotate, respectively, are mounted on the frame 10. The plurality of leather rollers 122 and the plurality of drawing rollers 123 are in corresponding frictional contact with each other, and the thick yarn is drawn out from between each leather roller 122 and the corresponding drawing roller 123 to be changed into a thin yarn, and is introduced onto the yarn guide device 13. The yarn guide device 13 includes a yarn guide 131 mounted on the frame 10, a ring 132 located below the yarn guide 131, and a traveler 133 provided on the ring 132 and movable in the circumferential direction of the ring 132. The spun yarn forming device 14 includes a frame 141 mounted on the frame 10, a spindle 142 mounted on the frame 141, and a ring tube 143 mounted on the spindle 142, and the spun yarn passes through the guide 131 and the traveler 133 in this order, and finally forms a yarn on the ring tube 143.
The broken-end cotton suction device comprises a cotton suction flute pipe 21, a main air duct 22, a fan 23, a bottom air duct 24, a control circuit 25, a control main board (not shown) and a frequency converter 26. The cotton suction flute pipe 21 is mounted on the frame 10 of the spinning frame and extends along the length direction of the spinning frame, and is located below the plurality of traction rollers 123, and the cotton suction flute pipe 21 is provided with a plurality of air inlet holes 211 for sucking broken cotton whiskers. The main air duct 22 is arranged on the rack 10 and is communicated with the cotton suction flute pipe 21 through air flow, the fan 23 is arranged on the rack 10, an air inlet of the fan is communicated with the main air duct 22 through air flow, a cotton filtering mechanism is arranged in the main air duct 22, cotton whiskers and other flying cotton flocs are prevented from being blocked in the air duct, the underground air duct 24 is laid below the ground of a building and does not occupy the space above the ground, the underground air duct 24 is communicated with an air outlet of the fan 23 through air flow, air blown out by the fan 23 is discharged to the external environment, the control circuit 25 is electrically connected with the fan 23, and the electric energy can be provided for the fan 23. The control mainboard is electrically connected in the control circuit 25, and the inside of the control mainboard is preset with the standard operating time length of the fan 23, and the standard operating time length is as follows: after the spinning frame is started, the attenuated time length of the yarn in the process from high end breakage rate to low end breakage rate can be measured according to the specific running condition of the spinning frame in the actual production process. Referring to fig. 2 to fig. 3, the frequency converter 26 is electrically connected in the control circuit, the control motherboard is in signal connection with the frequency converter 26, and the frequency converter 26 is in control connection with the fan 23 and can increase or decrease the operating frequency of the fan 23 based on the control signal sent by the control motherboard. In this example, the operating frequency of the fan 23 is 40 to 60 hz, when the spinning frame is started, the fan 23 usually operates at 50 hz, and the yarn breakage rate is high at this time, so that the control main board can detect whether the operating time of the fan 23 reaches the operating standard of the fan 23 in the control main board, and when the operating time of the fan 23 is lower than the standard, the control main board sends a control signal to the frequency converter 26, and the frequency converter 26 controls the fan 23 to increase the operating frequency and operate at the highest operating frequency of 60 hz, so as to improve the air suction efficiency; when the running time of the fan 23 reaches or exceeds the standard time, the control main board sends another control signal to the frequency converter 26, the frequency converter 26 controls the fan 23 to reduce the working frequency of the fan and works at the lowest working frequency of 40 Hz, and the fan can meet the requirement of absorbing broken cotton whiskers only by small wind power due to the fact that the broken rate is low at the moment, and therefore the effect of saving energy consumption is achieved. In other embodiments, the frequency converter can control the fan to work at 50-60 Hz when the equipment is just started, and after the equipment runs for a period of time, the frequency converter can control the fan to work at 40-45 Hz, so that the energy consumption of the fan is saved.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. A broken end cotton suction device for a spinning frame comprises:
the cotton suction flute pipe (21) is arranged on the spinning machine and extends along the length direction of the spinning machine, and the cotton suction flute pipe (21) is provided with a plurality of air inlet holes (211) for sucking broken cotton whiskers;
the main air duct (22) is arranged on the spinning frame and is in airflow communication with the cotton suction flute pipe (21);
the fan (23) is arranged on the spinning frame, and an air inlet of the fan is in airflow communication with the main air duct (22);
the underground air duct (24) is in airflow communication with an air outlet of the fan (23);
the control circuit (25) is electrically connected with the fan (23);
it is characterized in that the cotton suction device also comprises,
the control main board is electrically connected in the control circuit (25), and the standard running time of the fan (23) is preset in the control main board;
the frequency converter (26) is electrically connected in the control circuit, the control main board is in signal connection with the frequency converter (26), the frequency converter (26) is in control connection with the fan (23) and can increase or decrease the working frequency of the fan based on a control signal sent by the control main board; when the running time of the fan (23) is lower than the running standard of the fan (23), the frequency converter (26) controls the fan (23) to increase the working frequency of the fan, and when the running time of the fan (23) is higher than the running standard of the fan (23), the frequency converter (26) controls the fan (23) to decrease the working frequency of the fan.
2. The broken end cotton suction device for spinning frame according to claim 1, characterized in that: the working frequency of the fan (23) is 40-60 Hz.
3. The broken end cotton suction device for spinning frame according to claim 1, characterized in that: the fan (23) has a maximum operating frequency of 60 Hz and a minimum operating frequency of 40 Hz, and when the operating time of the fan (23) is lower than the operating standard of the fan (23), the fan (23) is at the maximum operating frequency; when the running time of the fan (23) reaches the fan (23) running standard, the fan (23) is under the lowest working frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921496209.6U CN210596386U (en) | 2019-09-10 | 2019-09-10 | Broken end cotton suction device for spinning frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921496209.6U CN210596386U (en) | 2019-09-10 | 2019-09-10 | Broken end cotton suction device for spinning frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210596386U true CN210596386U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921496209.6U Active CN210596386U (en) | 2019-09-10 | 2019-09-10 | Broken end cotton suction device for spinning frame |
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| CN (1) | CN210596386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438601A (en) * | 2019-09-10 | 2019-11-12 | 苏州震纶棉纺有限公司 | Vacuum end collector for spinning frame |
-
2019
- 2019-09-10 CN CN201921496209.6U patent/CN210596386U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438601A (en) * | 2019-09-10 | 2019-11-12 | 苏州震纶棉纺有限公司 | Vacuum end collector for spinning frame |
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