CN112760755A - Automatic blowing device of spinning machine suction box - Google Patents
Automatic blowing device of spinning machine suction box Download PDFInfo
- Publication number
- CN112760755A CN112760755A CN202011593327.6A CN202011593327A CN112760755A CN 112760755 A CN112760755 A CN 112760755A CN 202011593327 A CN202011593327 A CN 202011593327A CN 112760755 A CN112760755 A CN 112760755A
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- China
- Prior art keywords
- negative pressure
- suction box
- filter screen
- rotating shaft
- pressure suction
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
- D01G9/08—Opening or cleaning fibres, e.g. scutching cotton by means of air draught arrangements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
- D01G9/14—Details of machines or apparatus
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention relates to the technical field of spinning machine parts, and particularly discloses an automatic cotton cleaning device for a spinning machine suction box, which comprises a negative pressure suction box, a negative pressure pipe, a filter screen, a centrifugal fan and a fixing frame, wherein the fixing frame is fixedly connected with the negative pressure suction box; a rotating shaft is arranged between the fan blades and the fixing frame, a first bevel gear is arranged on the rotating shaft, a second bevel gear is meshed with the first bevel gear, and the second bevel gear is fixedly arranged on an output shaft of the motor between the fan blades and the filter screen; the rotating shaft is further provided with a special-shaped cam, the special-shaped cam comprises a first rotating hole, and the maximum radius of the first rotating hole is smaller than the distance from the negative pressure pipe connecting port 13 to the rotating shaft and larger than the distance between the fixing frame and the rotating shaft. By adopting the technical scheme of the invention, the collected hairiness fibers on the filter screen can be automatically cleaned conveniently.
Description
Technical Field
The invention relates to the technical field of spinning machine parts, in particular to an automatic cotton cleaning device for a suction box of a spinning machine.
Background
The existing device for removing the hair feather fibers generated in the blowing process is generally characterized in that a seam suction groove for sucking the hair feather fibers is formed in the side wall of a blowing working box, the seam suction groove is communicated with a negative pressure pipe, the free end of the negative pressure pipe is connected into a negative pressure suction box, a blowing door is formed in the side wall of the negative pressure suction box, a filter screen for filtering the hair feather fibers is arranged in the negative pressure suction box, a centrifugal fan is arranged on the other side of the filter screen, the centrifugal fan works to generate negative pressure in the negative pressure suction box, so that the seam suction groove sucks the hair feather fibers in the blowing working box, the hair feather fibers sucked by the seam suction groove enter the negative pressure suction box through the negative pressure pipe, and when the hair feather fibers in the negative pressure suction box are accumulated to a certain degree, workers clean the hair feather fibers accumulated in the negative pressure suction box through the blowing door.
But in practical application, receive centrifugal fan's the negative pressure influence of production, partial filoplume fibre can alternate in the mesh of filter screen, after long-time the use, these filoplume fibre that block up at the mesh can cause the influence to the negative pressure effect that negative pressure suction incasement produced, and then reduce the absorption quality of getting rid of filoplume fibre in the blowing work box, and to the cleanness of filter screen, need dismantle the filter screen and just can clean the filter screen, not only influence the job schedule of blowing device, and also be convenient for clean yet.
Disclosure of Invention
The invention provides an automatic blowing device of a suction box of a spinning machine, which aims to solve the technical problems that a filter screen of hairiness fibers in a blowing device is not convenient to clean and influences the negative pressure effect in a negative pressure suction box and the working progress of the blowing device.
The basic scheme of the invention is as follows:
an automatic cotton cleaning device of a spinning machine suction box comprises a negative pressure suction box, a negative pressure pipe, a filter screen and a centrifugal fan, wherein the upper end of the negative pressure suction box is provided with a negative pressure pipe connector, the negative pressure pipe is detachably connected with the negative pressure suction box through the negative pressure pipe connector, the filter screen is arranged in the negative pressure suction box and divides the negative pressure suction box into two areas, namely a hairiness gathering chamber and a centrifugal fan working chamber; the centrifugal fan is fixed in the working chamber of the centrifugal fan and used for extracting air in the hairiness gathering chamber to enable the hairiness gathering chamber to generate negative pressure;
the centrifugal fan comprises a motor and fan blades fixed on an output shaft of the motor, a fixing frame is arranged between the fan blades and the filter screen, the fixing frame is fixedly connected with the negative pressure suction box, a plurality of springs are arranged at positions of the filter screen corresponding to the fixing frame, one end of each spring is fixedly connected with the filter screen, and the other end of each spring is fixedly connected with the fixing frame;
a rotating shaft is arranged between the fan blades and the fixing frame, a first bevel gear is arranged on the rotating shaft, a second bevel gear is meshed with the first bevel gear, and the second bevel gear is fixedly arranged on an output shaft of the motor between the fan blades and the filter screen; the rotating shaft is further provided with a special-shaped cam, the special-shaped cam comprises a rotating hole, the maximum radius of the rotating hole is smaller than the distance from the negative pressure pipe connector to the rotating shaft, and the maximum radius of the rotating hole is larger than the distance between the fixing frame and the rotating shaft.
The working principle and the advantages of the scheme are as follows: when the motor works, the output shaft of the motor drives the fan blades to rotate, so that the air in the negative pressure suction box is sucked, the negative pressure suction box generates negative pressure, and the hair feather fibers in the suction negative pressure pipe are gathered in the negative pressure suction box, thereby realizing the collection of the hair feather fibers.
In addition, the motor output shaft synchronously drives the second bevel gear to rotate, the second bevel gear is meshed with the first bevel gear to drive the first bevel gear to rotate, the first bevel gear drives the rotating shaft to rotate, the rotating shaft further drives the special-shaped cam to rotate, and in the rotating process of the special-shaped cam, when the radius of one side, which is turned to the filter screen, of the special-shaped cam is larger than the distance between the rotating shaft and the rotating shaft, the special-shaped cam pushes the filter screen to move towards one side, which is deviated from the fan blades, of the. And the maximum radius of the first rotating hole is smaller than the distance between the negative pressure pipe connecting port and the rotating shaft, so that the farthest position of the filter screen moving towards the side far away from the fan blade is also between the negative pressure pipe connecting port and the fan blade, and the phenomenon that hairiness fibers enter a working chamber of the centrifugal fan to cause the centrifugal fan to be in fault due to the fact that the negative pressure pipe connecting port is located between the filter screen and the fan blade due to the movement of the filter screen is avoided. When the radius of the special-shaped cam, which turns to one side of the filter screen, rotates to the maximum and begins to be gradually shortened, the filter screen is subjected to the elasticity of the spring and moves towards one side of the fan blades.
The second conical wheel is driven by the motor, so that under the condition that the rotating shaft moves at a high speed, the filter screen verifies that the extension direction of the output shaft of the motor generates reciprocating shaking under the action of the special-shaped cam and the spring, thereby being beneficial to automatically cleaning the hairiness fibers on the filter screen and reducing the adsorption of the hairiness fibers on the filter screen. And after the adsorption of the filter screen is lost, the falling of the hair feather fibers is facilitated, the hair feather fibers are convenient to gather at the bottom of the negative pressure suction box, and the cleaning is convenient.
Furthermore, a guide groove is formed in a bottom plate of the negative pressure suction box, and a sliding block in sliding fit with the guide groove is fixedly connected to the bottom of the filter screen.
Has the advantages that: 1. the guide groove plays a guide role in the reciprocating shaking motion of the filter screen, so that the filter screen cannot deviate in the reciprocating shaking process, and the damage to the filter screen and the spring is reduced. 2. The guide groove further plays a role in collecting the hair feather fibers in the negative pressure suction box, and is convenient for cleaning the sucked hair feather fibers.
Furthermore, the negative pressure suction box is also provided with a cam replacing door;
the special-shaped cam is detachably connected with the rotating shaft, the special-shaped cam further comprises a second rotating hole, and the maximum radius of the second rotating hole is equal to the distance from the negative pressure pipe connector to the rotating shaft.
Has the advantages that: when not collecting the filoplume fibre, the door is changed from the cam to the manual work, change the dysmorphism cam from a rotation hole to No. two rotation holes and can dismantle the connection with the axis of rotation, at this moment, the dysmorphism cam can promote the filter screen to the position of negative pressure pipe connector under the rotation of axis of rotation, thereby under centrifugal fan's work, the negative pressure pipe connector is bloied towards the extension face that is on a parallel with the filter screen, and the negative pressure suction box also can be bloied towards the extension face of perpendicular to filter screen, thereby blow the filoplume fibre on the filter screen from two directions, make the cleanness to the filter screen more thorough.
Further, a push rod in sliding fit with the guide groove is further arranged in the negative pressure suction box, and the end part of the push rod penetrates through the inner wall of the side, far away from the filter screen, of the limiting negative pressure suction box;
the bottom of the guide groove is provided with a feather cleaning hole which is connected with a feather cleaning pipeline, and the free end of the feather cleaning pipeline is connected with an opening and closing device.
Has the advantages that: the push rod is pushed into the negative pressure suction box, the hair feather fibers gathered in the guide groove are pushed into the feather cleaning hole by the push rod, the hair feather fibers gathered in the feather cleaning hole are pushed into the feather cleaning pipeline, and when the hair feather fibers gathered in the feather cleaning pipeline reach a certain amount, the opening and closing device is opened, and the hair feather fibers are discharged. Therefore, when the hairiness fibers in the negative pressure suction box are cleaned, the influence on the negative pressure environment in the negative pressure suction box is reduced.
Furthermore, the opening and closing device comprises a clamping seat and a blocking piece, wherein the clamping seat is clamped and fixed at the end part of the feather clearing pipeline, and the blocking piece is rotatably connected to the clamping seat.
Has the advantages that: when the feather fibers in the feather-removing pipeline are cleaned, the baffle plate on the clamping seat is rotated to expose the end part of the feather-removing pipeline, and the feather fibers in the feather-removing pipeline fall out under the action of gravity; when the hairiness fibers in the feather cleaning pipeline do not fall out, the baffle plate on the clamping seat is rotated, so that the end part of the feather cleaning pipeline is shielded by the baffle plate, and the feather cleaning pipeline is closed.
Further, the cross section of the push rod matches the cross section of the guide groove.
Has the advantages that: if the cross section of the push rod is larger than that of the guide groove, the actual accommodating space in the negative pressure suction box can be reduced;
if the section of the push rod is smaller than that of the guide groove, when the push rod is pushed once, the push rod cannot completely push the hair feather fibers gathered in the guide groove to the feather cleaning hole, and therefore the cleaning efficiency of pushing the push rod once is reduced.
Drawings
Fig. 1 is a partial sectional view of an embodiment of an automatic blowing device of a suction box of a spinning machine.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the feather collection chamber 1, the centrifugal fan working chamber 2, the motor 3, the fan blades 4, the second bevel gear 5, the first bevel gear 6, the fixing frame 7, the special-shaped cam 8, the first rotating hole 9, the second rotating hole 10, the rotating shaft 11, the spring 12, the negative pressure pipe connecting port 13, the push rod 14, the feather clearing hole 15, the guide groove 16, the sliding block 17, the filter screen 18, the feather clearing pipeline 19, the clamping seat 20 and the blocking piece 21.
Examples
An automatic blowing device of a spinning machine suction box is shown in figure 1 and comprises a negative pressure suction box, a negative pressure pipe, a filter screen 18 and a centrifugal fan, wherein the upper end of the negative pressure suction box is welded with a negative pressure pipe connecting port 13, and the negative pressure pipe is in threaded connection with the negative pressure pipe connecting port 13; the filter screen 18 is arranged in the negative pressure suction box, and divides the negative pressure suction box into two areas, namely a hairiness gathering chamber 1 and a centrifugal fan working chamber 2; the centrifugal fan is fixed in the working chamber 2 of the centrifugal fan through a bolt and is used for extracting air in the hair feather gathering chamber 1 to enable the hair feather gathering chamber 1 to generate negative pressure.
Centrifugal fan includes motor 3 and fixes flabellum 4 on motor 3 output shaft, is equipped with fixed frame 7 between flabellum 4 and the filter screen 18, and fixed frame 7 and negative pressure suction box bolted connection, the position that filter screen 18 and fixed frame 7 correspond is equipped with a plurality of springs 12, and the one end and the filter screen 18 welding of spring 12, the other end and the fixed frame 7 welding of spring 12.
A rotating shaft 11 is arranged between the fan blade 4 and the fixed frame 7, and two ends of the rotating shaft 11 corresponding to the inner wall of the negative pressure suction box are connected with rotating limiting seats which respectively limit two ends of the rotating shaft 11 through bolts; a first bevel gear 6 is connected to the rotating shaft 11 in a key mode, a second bevel gear 5 is meshed with the first bevel gear 6, and the second bevel gear 5 is connected to an output shaft of the motor 3 between the fan blades 4 and the filter screen 18 in a key mode; the rotating shaft 11 is further in key connection with a special-shaped cam 8, the special-shaped cam 8 comprises a first rotating hole 9 and a second rotating hole 10, and the maximum radius of the first rotating hole 9 is smaller than the distance from the negative pressure pipe connecting port 13 to the rotating shaft 11 and larger than the distance between the fixing frame 7 and the rotating shaft 11; the maximum radius of the second rotary hole 10 is equal to the distance from the negative pressure pipe connecting port 13 to the rotary shaft 11.
The negative pressure suction box is also hinged with a cam replacing door (not shown), and the cam replacing door is positioned at the position of the negative pressure suction box corresponding to the special-shaped cam 8. A guide groove is formed in the bottom plate of the negative pressure suction box, and a sliding block 17 in sliding fit with the guide groove is connected to the bottom of the filter screen 18 in a threaded manner; a push rod 14 in sliding fit with the guide groove 16 is further arranged in the negative pressure suction box, the end part of the push rod 14 penetrates through the inner wall of the side, far away from the filter screen 18, of the limiting negative pressure suction box, and the section of the push rod 14 is matched with that of the guide groove 16. In this embodiment, the guide groove guides the reciprocating shaking motion of the filter screen 18, so that the filter screen 18 does not deviate in the reciprocating shaking process, and the damage to the filter screen 18 and the spring 12 is reduced.
The bottom of the guide groove 16 is provided with a feather cleaning hole 15, the feather cleaning hole 15 is connected with a feather cleaning pipeline 19 in a threaded manner, and the free end of the feather cleaning pipeline 19 is connected with an opening and closing device. The opening and closing device comprises a clamping seat 20 fixed at the end part of the feather clearing pipe 19 through a clamping bolt and a baffle 21 hinged on the clamping seat 20.
When the motor 3 works, the output shaft of the motor 3 drives the fan blades 4 to rotate, so that the air in the negative pressure suction box is sucked, the negative pressure suction box generates negative pressure, and hairiness fibers in the negative pressure suction pipe are sucked and gathered in the negative pressure suction box, so that the collection of the hairiness fibers is realized.
In addition, the output shaft of the motor 3 synchronously drives the second bevel gear 5 to rotate, the second bevel gear 5 is meshed with the first bevel gear 6 to drive the first bevel gear 6 to rotate, the first bevel gear 6 drives the rotating shaft 11 to rotate, the rotating shaft 11 further drives the special-shaped cam 8 to rotate, the special-shaped cam 8 pushes the filter screen 18 to move towards one side departing from the fan blades 4 when the radius of one side, which is turned to the filter screen 18, of the special-shaped cam 8 is larger than the distance between the rotating shaft 11 and the rotating shaft 11 in the rotating process, and the filter screen 18 stretches the spring 12. And because the maximum radius of the first rotary hole 9 is smaller than the distance from the negative pressure pipe connecting port 13 to the rotary shaft 11, the farthest position of the filter screen 18 moving towards the side far away from the fan blade 4 is also between the negative pressure pipe connecting port 13 and the fan blade 4, and the problem that hairiness fibers enter the working chamber 2 of the centrifugal fan to cause the centrifugal fan to break down due to the fact that the negative pressure pipe connecting port 13 is located between the filter screen 18 and the fan blade 4 due to the movement of the filter screen 18 is avoided. When the radius of the profile cam 8, which is turned to the side of the filter screen 18, is rotated to the maximum and starts to be gradually shortened, the filter screen 18 receives the elastic force of the spring 12, and the filter screen 18 moves toward the side of the fan blades 4.
Under the condition that the motor 3 drives the second conical wheel to enable the rotating shaft 11 to move at a high speed, the filter screen 18 verifies that the extension direction of the output shaft of the motor 3 generates reciprocating shaking under the action of the special-shaped cam 8 and the spring 12, so that automatic cleaning of hairiness fibers on the filter screen 18 is facilitated, and the hairiness fibers are reduced from being adsorbed on the filter screen 18. And after the adsorption of the filter screen 18 is lost, the falling of the hair feather fibers is facilitated, the hair feather fibers are convenient to gather at the bottom of the negative pressure suction box, and the cleaning is convenient. Then, the pushing rod 14 is pushed into the negative pressure suction box, the hair feather fibers gathered in the guide groove 16 are moved into the feather cleaning hole 15 by the pushing rod 14, the hair feather fibers pushed into the feather cleaning hole 15 enter the feather cleaning pipeline 19, and when the hair feather fibers gathered in the feather cleaning pipeline 19 reach a certain amount, the opening and closing device is opened, and the hair feather fibers are discharged. The specific process is that the baffle 21 on the clamping seat 20 is rotated to expose the end part of the feather clearing pipeline 19, and feather fibers in the feather clearing pipeline 19 fall out under the action of gravity; when the feather fiber in the feather cleaning pipeline 19 does not fall out, the baffle piece 21 on the clamping seat 20 is rotated, so that the baffle piece 21 covers the end part of the feather cleaning pipeline 19, and the feather cleaning pipeline 19 is closed.
When not collecting the filoplume fibre, the door is changed from the cam to the manual work, change dysmorphism cam 8 from a rotation hole 9 to No. two rotation holes 10 and rotation axis 11 can dismantle the connection, this moment, dysmorphism cam 8 can promote filter screen 18 to the position of negative pressure pipe connector 13 under the rotation of rotation axis 11, thereby under centrifugal fan's work, negative pressure pipe connector 13 is bloied towards the extension face that is on a parallel with filter screen 18, and negative pressure suction box also can be bloied towards the extension face that is perpendicular to filter screen 18, thereby blow the filoplume fibre on the filter screen 18 from two directions, make the cleanness to filter screen 18 more thorough.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. An automatic cotton cleaning device of a spinning machine suction box comprises a negative pressure suction box, a negative pressure pipe, a filter screen and a centrifugal fan, wherein the upper end of the negative pressure suction box is provided with a negative pressure pipe connector, the negative pressure pipe is detachably connected with the negative pressure suction box through the negative pressure pipe connector, the filter screen is arranged in the negative pressure suction box and divides the negative pressure suction box into two areas, namely a hairiness gathering chamber and a centrifugal fan working chamber; centrifugal fan fixes in the centrifugal fan studio for the air in the extraction filoplume gathering chamber makes filoplume gathering chamber produce negative pressure, its characterized in that:
the centrifugal fan comprises a motor and fan blades fixed on an output shaft of the motor, a fixing frame is arranged between the fan blades and the filter screen, the fixing frame is fixedly connected with the negative pressure suction box, a plurality of springs are arranged at positions of the filter screen corresponding to the fixing frame, one end of each spring is fixedly connected with the filter screen, and the other end of each spring is fixedly connected with the fixing frame;
a rotating shaft is arranged between the fan blades and the fixing frame, a first bevel gear is arranged on the rotating shaft, a second bevel gear is meshed with the first bevel gear, and the second bevel gear is fixedly arranged on an output shaft of the motor between the fan blades and the filter screen; the rotating shaft is further provided with a special-shaped cam, the special-shaped cam comprises a rotating hole, the maximum radius of the rotating hole is smaller than the distance from the negative pressure pipe connector to the rotating shaft, and the maximum radius of the rotating hole is larger than the distance between the fixing frame and the rotating shaft.
2. The automatic blowing device of the spinning machine suction box according to claim 1, characterized in that: the bottom plate of the negative pressure suction box is provided with a guide groove, and the bottom of the filter screen is fixedly connected with a sliding block in sliding fit with the guide groove.
3. The automatic blowing device of the spinning machine suction box according to claim 1, characterized in that: the negative pressure suction box is also provided with a cam replacing door;
the special-shaped cam is detachably connected with the rotating shaft, the special-shaped cam further comprises a second rotating hole, and the maximum radius of the second rotating hole is equal to the distance from the negative pressure pipe connector to the rotating shaft.
4. The automatic blowing device of the spinning machine suction box according to claim 2, characterized in that: a push rod in sliding fit with the guide groove is also arranged in the negative pressure suction box, and the end part of the push rod penetrates through the inner wall of the side, far away from the filter screen, of the limiting negative pressure suction box;
the bottom of the guide groove is provided with a feather cleaning hole which is connected with a feather cleaning pipeline, and the free end of the feather cleaning pipeline is connected with an opening and closing device.
5. The automatic blowing device of the spinning machine suction box according to claim 4, characterized in that: the opening and closing device comprises a clamping seat and a blocking piece, wherein the clamping seat is clamped and fixed at the end part of the feather cleaning pipeline, and the blocking piece is rotatably connected to the clamping seat.
6. The automatic blowing device of the spinning machine suction box according to claim 4, characterized in that: the section of the push rod is matched with that of the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011593327.6A CN112760755A (en) | 2020-12-29 | 2020-12-29 | Automatic blowing device of spinning machine suction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011593327.6A CN112760755A (en) | 2020-12-29 | 2020-12-29 | Automatic blowing device of spinning machine suction box |
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| Publication Number | Publication Date |
|---|---|
| CN112760755A true CN112760755A (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011593327.6A Pending CN112760755A (en) | 2020-12-29 | 2020-12-29 | Automatic blowing device of spinning machine suction box |
Country Status (1)
| Country | Link |
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| CN (1) | CN112760755A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008115A (en) * | 2007-01-25 | 2007-08-01 | 宁波韵升股份有限公司 | Self-cleaning device of spinning machine suction box |
| CN102108569A (en) * | 2011-01-31 | 2011-06-29 | 宁波德昌精密纺织机械有限公司 | Automatic cotton cleaning device for spinning machine suction box |
| CN205308502U (en) * | 2015-12-30 | 2016-06-15 | 吴明秋 | High -efficient rubbing crusher with lift adjustment function |
| CN110344140A (en) * | 2019-07-18 | 2019-10-18 | 嘉兴学院 | A kind of heavy duty detergent opener with impurity removal function |
| CN210057553U (en) * | 2019-04-09 | 2020-02-14 | 北京水木九天科技有限公司 | Water source circulating and filtering equipment for spraying |
| CN210302805U (en) * | 2019-05-07 | 2020-04-14 | 昆山新东久机械有限公司 | Small-size cloth bag collector |
| CN211611967U (en) * | 2019-12-31 | 2020-10-02 | 中和佳源（天津）环保科技发展有限公司 | Efficient dust collecting equipment |
| CN111889456A (en) * | 2020-08-13 | 2020-11-06 | 江苏今达纺织实业有限公司 | Broken thread cleaning device of textile equipment and application method thereof |
| CN211885911U (en) * | 2020-02-21 | 2020-11-10 | 杭州锅炉集团股份有限公司 | Coal fired boiler flue gas desulfurization denitration dust collector |
| CN211987640U (en) * | 2019-12-29 | 2020-11-24 | 兰州北迅网络科技有限公司 | Dust filtering and ventilating device for communication base station machine room |
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2020
- 2020-12-29 CN CN202011593327.6A patent/CN112760755A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008115A (en) * | 2007-01-25 | 2007-08-01 | 宁波韵升股份有限公司 | Self-cleaning device of spinning machine suction box |
| CN102108569A (en) * | 2011-01-31 | 2011-06-29 | 宁波德昌精密纺织机械有限公司 | Automatic cotton cleaning device for spinning machine suction box |
| CN205308502U (en) * | 2015-12-30 | 2016-06-15 | 吴明秋 | High -efficient rubbing crusher with lift adjustment function |
| CN210057553U (en) * | 2019-04-09 | 2020-02-14 | 北京水木九天科技有限公司 | Water source circulating and filtering equipment for spraying |
| CN210302805U (en) * | 2019-05-07 | 2020-04-14 | 昆山新东久机械有限公司 | Small-size cloth bag collector |
| CN110344140A (en) * | 2019-07-18 | 2019-10-18 | 嘉兴学院 | A kind of heavy duty detergent opener with impurity removal function |
| CN211987640U (en) * | 2019-12-29 | 2020-11-24 | 兰州北迅网络科技有限公司 | Dust filtering and ventilating device for communication base station machine room |
| CN211611967U (en) * | 2019-12-31 | 2020-10-02 | 中和佳源（天津）环保科技发展有限公司 | Efficient dust collecting equipment |
| CN211885911U (en) * | 2020-02-21 | 2020-11-10 | 杭州锅炉集团股份有限公司 | Coal fired boiler flue gas desulfurization denitration dust collector |
| CN111889456A (en) * | 2020-08-13 | 2020-11-06 | 江苏今达纺织实业有限公司 | Broken thread cleaning device of textile equipment and application method thereof |
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Application publication date: 20210507 |