A blower-suction air converter for a spinning frame

Abstract

The utility model relates to textile cleaning technical field, especially a kind of blowing and suction air converter of spinning frame, including valve body, valve cavity is opened in valve body, the sidewall of valve body is opened and is connected to the fan positive pressure port, blowing outlet, air intake, fan negative pressure port and always open air supplement port of valve cavity, fan positive pressure port, blowing outlet, air intake, fan negative pressure port and always open air supplement port are distributed in valve body in sequence counterclockwise equidistantly, rotationally arranged in valve cavity is the shaft, the first valve plate, second valve plate, third valve plate, fourth valve plate and fifth valve plate are fixedly connected on the shaft, first air vent and second air vent are distributed and opened on the first valve plate and fourth valve plate, the outside of valve body is installed the drive motor of driving shaft rotation;The utility model greatly simplifies control logic, reduces the fault risk caused by the linkage of multiple components, ensures the stable operation of cleaning function.

Description

Technical Field

[0001] This utility model relates to the field of textile cleaning technology, and more specifically to a blower / suction converter for a spinning machine. Background Technology

[0002] In the cleaning systems of high-end spinning machines, a "single-nozzle alternating blowing and suction" cleaning solution has emerged to achieve efficient cleaning of key components such as rollers and rubber rollers, while simplifying the piping layout of the mechanical structure. This solution uses only one cleaning nozzle on the equipment, which is automatically controlled to periodically alternate between blowing and suction functions.

[0003] Currently, the mainstream and only mature solution to achieve the above functions is to use a dual-fan system. This system consists of a high-powered blower and a high-powered suction fan. The two fans are connected to a special three-way valve via their respective independent pipes. The outlet of this valve is connected to the aforementioned single cleaning nozzle. By controlling the switching of the three-way valve, it is determined whether the airflow from the blower is directed to the nozzle, or whether the nozzle is connected to the suction fan.

[0004] However, this existing dual-fan single-nozzle technology has the following significant and insurmountable drawbacks:

[0005] First, it requires two high-power fans and their corresponding starting control systems, resulting in a huge initial investment. Furthermore, the continuous operation of these two high-power fans generates substantial energy consumption, making them a major contributor to the spinning machine's energy consumption and severely impacting production efficiency. Second, the system needs to coordinate the actions of the two fans (potentially involving start-up and shutdown) and a switching valve, leading to complex control logic and increased potential failure points. A failure in any part will cause the entire cleaning function to malfunction. Finally, the two fans and their massive ductwork system occupy a significant amount of valuable internal space, complicating the overall machine layout and equipment maintenance. Utility Model Content

[0006] The purpose of this invention is to provide a blower / suction converter for a spinning machine, which greatly simplifies the control logic, reduces the risk of failure caused by the linkage of multiple components, and ensures the stable operation of the cleaning function.

[0007] To achieve the above objectives, the technical solution of this utility model is as follows:

[0008] A blower / suction converter for a spinning machine includes a valve body with a valve cavity inside. A positive pressure port, a blower outlet, a suction inlet, a negative pressure port, and a normally open air supply port are provided on the side wall of the valve body, all communicating with the valve cavity. The positive pressure port, blower outlet, suction inlet, negative pressure port, and normally open air supply port are arranged in a counter-clockwise, equally spaced arrangement around the valve body. A rotating shaft is rotatably mounted within the valve cavity. A first valve plate, a second valve plate, a third valve plate, a fourth valve plate, and a fifth valve plate are fixedly connected to the rotating shaft. The first, second, third, fourth, and fifth valve plates are arranged in a counter-clockwise, equally spaced arrangement. The valves are arranged in a ring around the rotating shaft. The first valve plate and the fourth valve plate are provided with a first ventilation port and a second ventilation port. A drive motor that drives the rotating shaft to rotate is installed on the outside of the valve body. The rotating shaft has a blowing position and a suction position. When the rotating shaft is in the blowing position, the positive pressure port of the fan is connected to the blowing outlet through the first ventilation port, and the negative pressure port of the fan is connected to the normal air supply port through the second ventilation port. When the rotating shaft rotates to the suction position, the suction inlet is connected to the negative pressure port of the fan through the second ventilation port, and the positive pressure port of the fan is connected to the normal air supply port through the first ventilation port.

[0009] Furthermore, a fan is installed between the positive pressure port and the negative pressure port of the fan. The air outlet of the fan is connected to the positive pressure port of the fan, and the air inlet of the fan is connected to the negative pressure port of the fan. An air suction pipe is connected to the air suction inlet, and a dust collection box is installed on the air suction pipe. An air blowing pipe is connected to the air blowing outlet, and the air suction pipe and the air blowing pipe are connected to the same nozzle.

[0010] Furthermore, a filter screen is provided at the outlet of the normal air supply port.

[0011] Furthermore, a dust collection bag is provided inside the dust collection box.

[0012] Furthermore, the edges of the first valve plate, second valve plate, third valve plate, fourth valve plate and fifth valve plate are all provided with elastic sealing strips.

[0013] Furthermore, two positioning rods are fixedly connected to the outer side of the valve body, and a limiting strip is fixedly connected to the rotating shaft. The limiting strip is located between the two positioning rods, and the rotatable angle of the limiting strip around the rotating shaft is 126°.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This application combines a valve body with five specific interfaces and a valve plate with two vents, using only one rotating mechanism to complete the airflow switching logic that traditionally requires complex valves and pipes. This lays the core hardware foundation for replacing expensive dual-fan systems with single-fan systems. All functional components are integrated into a single valve chamber, and the moving part is only a simple rotating shaft. The structure is robust, avoiding the jamming, wear and other failures that are prone to occur in complex moving mechanisms. It has a long service life and is easy to maintain. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a partial structural schematic diagram of the present invention.

[0018] 1. Valve body; 101. Valve cavity; 102. Fan positive pressure port; 103. Air outlet; 104. Air inlet; 105. Fan negative pressure port; 106. Normal air supply port; 2. Rotating shaft; 3. First valve plate; 301. First vent; 4. Second valve plate; 5. Third valve plate; 6. Fourth valve plate; 601. Second vent; 7. Fifth valve plate; 8. Drive motor; 9. Positioning rod; 10. Limiting strip. Detailed Implementation

[0019] like Figure 1 and Figure 2As shown, a blower / suction converter for a spinning machine includes a valve body 1. A valve cavity 101 is formed within the valve body 1. A positive pressure port 102, a blower outlet 103, a suction inlet 104, a negative pressure port 105, and a normally open air supply port 106 are formed on the side wall of the valve body 1, all communicating with the valve cavity 101. These ports are arranged in a counter-clockwise, equally spaced pattern around the valve body 1. A rotating shaft 2 is rotatably mounted within the valve cavity 101. A first valve plate 3, a second valve plate 4, a third valve plate 5, a fourth valve plate 6, and a fifth valve plate 7 are fixedly connected to the rotating shaft 2. These valve plates are arranged in sequence... The valves are arranged in a counterclockwise, equally spaced ring around the rotating shaft 2. The first valve plate 3 and the fourth valve plate 6 are provided with a first ventilation port 301 and a second ventilation port 601. A drive motor 8 for driving the rotating shaft 2 is installed on the outside of the valve body 1. The rotating shaft 2 has a blowing position and a suction position. When the rotating shaft 2 is in the blowing position, the positive pressure port 102 of the fan and the blowing outlet 103 are connected through the first ventilation port 301, and the negative pressure port 105 of the fan and the normally open air supply port 106 are connected through the second ventilation port 601. When the rotating shaft 2 rotates to the suction position, the suction inlet 104 and the negative pressure port 105 of the fan are connected through the second ventilation port 601, and the positive pressure port 102 of the fan and the normally open air supply port 106 are connected through the first ventilation port 301.

[0020] A fan is installed between the positive pressure port 102 and the negative pressure port 105 of the blower. The air outlet of the blower is connected to the positive pressure port 102, and the air inlet of the blower is connected to the negative pressure port 105. A suction pipe is connected to the suction inlet 104, and a dust collection box is installed on the suction pipe. A blowing pipe is connected to the blowing outlet 103, and the suction pipe and the blowing pipe are connected to the same nozzle. By connecting the positive pressure port 102 and the negative pressure port 105 to the same blower, there is no need to configure two high-power blowers and corresponding electrical control systems, which significantly reduces the initial equipment investment. At the same time, the energy consumption of a single blower is much lower than that of two blowers, which significantly reduces the overall energy consumption of the spinning machine and improves the economic efficiency of production.

[0021] The constant air supply port 106 is equipped with a filter screen; the filter screen can filter dust, short fibers and other impurities in the outside air, prevent impurities from adhering to the valve plate sealing surface, the rotating shaft 2 or the inside of the fan with the air supply airflow, avoid sealing failure, rotating shaft 2 jamming or fan wear caused by impurity accumulation, ensure long-term stable operation of the converter, and reduce the frequency of maintenance caused by impurity cleaning.

[0022] The dust collection box is equipped with a dust collection bag; the dust collection bag makes the collection and cleaning of flying dust and debris extremely convenient. System maintenance can be completed simply by replacing or emptying the dust collection bag, which greatly reduces the labor intensity of workers, improves the maintainability of the equipment, and prevents dust from escaping, making it more environmentally friendly.

[0023] The edges of the first valve plate 3, the second valve plate 4, the third valve plate 5, the fourth valve plate 6, and the fifth valve plate 7 are all provided with elastic sealing strips. The elastic sealing strips can fit tightly against the inner wall of the valve cavity 101, eliminate the gap between the valve plate and the valve cavity 101, prevent the positive pressure airflow from leaking from the non-target interface during the blowing position, and prevent the negative pressure airflow from effectively adsorbing impurities during the suction position. This ensures that the airflow is concentrated on the target passage, avoids airflow loss, and ensures the coverage effect of the blowing cleaning and the adsorption efficiency of the suction impurities.

[0024] Two positioning rods 9 are fixedly connected to the outer side of the valve body 1, and a limiting strip 10 is fixedly connected to the rotating shaft 2. The limiting strip 10 is located between the two positioning rods 9, and the rotatable angle of the limiting strip 10 around the rotating shaft 2 is 126°. The two positioning rods 9, together with the limiting strip 10, can precisely limit the rotation range of the rotating shaft 2, ensuring that the rotating shaft 2 only switches between the "blowing station" and the "suction station". This avoids misalignment of the valve plate vent and interface due to overtravel of the rotating shaft 2, preventing airflow from being blocked. It ensures accurate connection of the airflow path under each station and improves the stability and reliability of the converter.

[0025] Working principle:

[0026] Blowing station operation: The drive motor 8 drives the rotating shaft 2 to rotate to the blowing station. At this time, the first vent 301 on the first valve plate 3 connects the positive pressure port 102 of the fan in the valve body 1 with the blowing outlet 103. The positive pressure airflow output by the fan enters the valve chamber 101 through the positive pressure port 102, flows to the blowing outlet 103 through the first vent 301, and is then delivered to the single air nozzle through the blowing pipe to blow clean the rollers, rubber rollers and other parts of the spinning machine. At the same time, the second vent 601 on the fourth valve plate 6 connects the negative pressure port 105 of the fan with the normal air supply port 106. After being filtered by the filter screen, the external air enters the valve chamber 101 through the normal air supply port 106 and is replenished to the negative pressure port 105 of the fan through the second vent 601 to balance the pressure at the air inlet of the fan and avoid fan load fluctuations.

[0027] Suction station operation: When switching to suction is required, the drive motor 8 drives the rotating shaft 2 to rotate to the suction station (the limit strip 10 rotates between the two positioning rods 9 to ensure no overtravel). At this time, the second vent 601 connects the suction inlet 104 with the fan negative pressure port 105. The single nozzle draws in air containing impurities through the suction pipe, enters the valve chamber 101 through the suction inlet 104, and flows to the fan negative pressure port 105 through the second vent 601. The impurities in the airflow are intercepted by the dust collection bag in the dust collection box. At the same time, the first vent 301 connects the fan positive pressure port 102 with the normally open air supply port 106. Part of the positive pressure airflow output by the fan is discharged through the first vent 301 and the normally open air supply port 106 to balance the pressure at the fan outlet and ensure stable operation of the fan. During this process, the elastic sealing strip on the edge of the valve plate always fits against the inner wall of the valve chamber 101 to prevent airflow leakage.

[0028] This invention replaces two high-power fans with a single fan, eliminating the need for one fan and its corresponding electrical control system, thus significantly reducing initial investment. Simultaneously, the energy consumption of a single fan is far lower than that of two fans, resulting in substantial reductions in production energy costs and improved economic efficiency over long-term use. Furthermore, the multi-component dual-fan + three-way valve system is integrated into a compact structure of "single valve body + single motor + single fan," reducing equipment space requirements and facilitating overall layout and maintenance. Moreover, only the motor needs to be controlled to drive the shaft to switch workstations, eliminating the need to coordinate multiple equipment actions, simplifying control logic, reducing potential failure points, and significantly improving operational reliability.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A blower / suction converter for a spinning machine, characterized in that: The valve body (1) includes a valve body (1) with a valve cavity (101) inside. The side wall of the valve body (1) has a fan positive pressure port (102), a blower outlet (103), a suction inlet (104), a fan negative pressure port (105), and a normally open air supply port (106) connected to the valve cavity (101). Air inlets (106) are arranged counterclockwise at equal intervals around the valve body (1). A rotating shaft (2) is rotatably installed inside the valve cavity (101). A first valve plate (3), a second valve plate (4), a third valve plate (5), a fourth valve plate (6), and a fifth valve plate (7) are fixedly connected to the rotating shaft (2). The first valve plate (3), the second valve plate (4), the third valve plate (5), the fourth valve plate (6), and the fifth valve plate (7) are arranged counterclockwise at equal intervals around the rotating shaft (2). A first ventilation port (301) and a second ventilation port (601) are provided on the first valve plate (3) and the fourth valve plate (6). A drive motor (8) for driving the rotating shaft (2) to rotate is installed on the outside of the valve body (1). The rotating shaft (2) has a blowing position and a suction position. When the rotating shaft (2) is in the blowing position, the positive pressure port (102) of the fan and the blowing outlet are connected. (103) is connected via the first vent (301), and at the same time, the negative pressure port (105) of the fan and the normal air supply port (106) are connected via the second vent (601); when the rotating shaft (2) rotates to the suction position, the suction inlet (104) and the negative pressure port (105) of the fan are connected via the second vent (601), and at the same time, the positive pressure port (102) of the fan and the normal air supply port (106) are connected via the first vent (301).

2. The air blowing and suction converter for a spinning machine as described in claim 1, characterized in that: A fan is provided between the positive pressure port (102) and the negative pressure port (105) of the fan. The air outlet of the fan is connected to the positive pressure port (102), and the air inlet of the fan is connected to the negative pressure port (105). A suction pipe is connected to the suction inlet (104), and a dust collection box is provided on the suction pipe. A blowing pipe is connected to the blowing outlet (103), and the suction pipe and the blowing pipe are connected to the same nozzle.

3. The air blowing and suction converter for a spinning machine as described in claim 2, characterized in that: A filter screen is installed at the normal air supply port (106).

4. The air blowing and suction converter for a spinning machine as described in claim 2, characterized in that: The dust collection box is equipped with a dust collection bag.

5. The air blowing and suction converter for a spinning machine as described in claim 1, characterized in that: The edges of the first valve plate (3), the second valve plate (4), the third valve plate (5), the fourth valve plate (6), and the fifth valve plate (7) are all provided with elastic sealing strips.

6. The air blowing and suction converter for a spinning machine as described in claim 1, characterized in that: Two positioning rods (9) are fixedly connected to the outside of the valve body (1), and a limiting strip (10) is fixedly connected to the rotating shaft (2). The limiting strip (10) is located between the two positioning rods (9), and the rotatable angle of the limiting strip (10) around the rotating shaft (2) is 126°.

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