Screw machine capable of automatically draining water

Abstract

The invention discloses a screw machine capable of automatically draining water. The screw machine comprises an air storage tank, a compression assembly, an oil inlet assembly, an emptying valve, an air pressure detection module and a control module. A fixing piece is arranged at the top of the gas storage tank, and a metal supporting plate is fixedly mounted through the fixing piece; the compression assembly is arranged on the supporting plate and is communicated with the air storage tank; the compression assembly comprises a driving motor and a compression rotor; mounting bases are arranged at the bottoms of the driving motors; the compression rotor is in coupling connection with the driving motor; a temperature detection module is arranged in the compression assembly; the oil inlet assembly is arranged on the supporting plate and communicates with the compression assembly through an oil pipe. The emptying valve is arranged on the air storage tank, penetrates through the supporting plate and the air storage tank and is communicated with the interior of the air storage tank; the air pressure detection module is arranged on the top or the side wall of the air storage tank and used for detecting the air pressure value in the air storage tank. And the control module is electrically connected with the air pressure detection module, the temperature detection module and the emptying valve. By means of the arrangement, the screw machine can achieve efficient exhaust and drainage control.

Description

Technical Field

[0001] The present invention relates to the technical field of air compressors, and particularly to a screw machine with automatic drainage. Background Art

[0002] A screw air compressor mainly consists of a screw main engine, a motor, a cooling system, a control system, etc. Its working principle is that the motor drives the screw main engine to suck in and compress air, and then discharges the compressed air.

[0003] Generally, air compressors in the auto repair and maintenance industry are used for a short time and with a low frequency. When the humidity of the use environment is high and the oil temperature is low, during the process of compressing air by the air compressor, after the partial pressure of water vapor reaches saturation, the excess water will precipitate and enter the air compressor system. If workers do not drain the condensed water in time during the use process, it will cause the oil to emulsify and deteriorate, losing its lubrication and protection function, and the components such as the machine head pipeline will corrode and rust. Summary of the Invention

[0004] In order to solve the deficiencies of the prior art, the purpose of the present invention is to provide a screw machine with automatic drainage. This screw machine can avoid the condensation of water vapor in the air compressor system, reduce the workload of manual drainage, and lower the maintenance cost of the equipment.

[0005] Based on the above purpose, the present invention adopts the following technical solutions: A screw machine with automatic drainage, comprising: an air storage tank, a compression assembly, an oil inlet assembly, a vent valve, a pressure detection module, and a control module; a fixing member is provided at the top of the air storage tank, and a metal support plate is fixedly installed through the fixing member; the compression assembly is arranged on the support plate and communicated with the air storage tank; the compression assembly includes a driving motor and a compression rotor; an installation base is provided at the bottom of the driving motor and fixed on the support plate through the installation base; the compression rotor is connected to the driving motor by a coupling; a temperature detection module is arranged inside the compression assembly; the oil inlet assembly is arranged on the support plate and communicated with the compression assembly through an oil pipe; at least part of the vent valve is arranged on the air storage tank, at least part of it penetrates through the support plate and communicates with the inside of the air storage tank; the pressure detection module is arranged at the top or side wall of the air storage tank for detecting the air pressure value inside the air storage tank; the control module is electrically connected to the pressure detection module, the temperature detection module, and the vent valve, and the control module controls the opening and closing of the vent valve based on the detection data of the pressure detection module and the temperature detection module; the control module is configured to: when the air pressure inside the air storage tank reaches the first preset air pressure threshold and the temperature inside the compression assembly is lower than the first temperature threshold, trigger the vent valve to open.

[0006] Further, the fixing member is a flange structure or a welded bracket structure.

[0007] Furthermore, the oil inlet assembly includes an oil storage component and a heat sink. The oil storage component is connected to the compression assembly through an oil pipe. The oil storage component is also connected to the heat sink through an oil pipe. The heat sink is installed on the support plate.

[0008] Furthermore, a plurality of movable wheel groups are provided at the bottom of the gas storage tank, and a brake device is provided on the movable wheel group to realize the movement and positioning of the screw machine.

[0009] Furthermore, a push-pull handrail is provided at the end of the gas storage tank.

[0010] Furthermore, the screw machine also includes an oil mist separation component, which is connected to the compression component; an air outlet pipe is provided on the top of the oil mist separation component, and the air outlet pipe at least partially passes through the support plate and the air storage tank and is connected to the interior of the air storage tank.

[0011] Furthermore, an oil return pipe is provided at the bottom of the oil mist separation component, which is connected to the oil inlet component through the oil return pipe.

[0012] Furthermore, a plurality of partition plates along the radial direction are provided at the bottom of the inner cavity of the oil mist separation component, and the partition plates divide the bottom of the inner cavity of the oil mist separation component into multiple areas.

[0013] The above-mentioned automatic drainage screw machine, through the coordinated action of the air storage tank, compression component, oil inlet component and vent valve, realizes that when the air pressure in the air storage tank reaches the preset air pressure threshold but the temperature in the compression component does not reach the preset temperature threshold, the vent valve is automatically opened to discharge the gas in the air storage tank, so that the whole machine remains in operation until the lubricating oil temperature reaches the preset temperature. The compressed air naturally takes away the moisture inside the system, thereby realizing automatic drainage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 2. It is a structural schematic diagram of a screw machine provided according to the present invention; Figure 2 is a cross-sectional view of a screw machine provided according to the present invention; Figure 3 is a cross-sectional view of an oil mist separation assembly provided according to the present invention. DETAILED DESCRIPTION

[0015] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts are within the scope of protection of the present invention.

[0016] like Figure 1 and Figure 2As shown in the figure, the present application provides a screw machine with automatic drainage, which includes: an air storage tank 1, a compression assembly 4, an oil inlet assembly 5, a vent valve 6, a pressure detection module, and a control module.

[0017] Specifically, a fixing member 2 is provided at the top of the air storage tank 1, and a metal support plate 3 is fixedly installed through the fixing member 2. The metal support plate 3 is used to support other equipment of the screw machine. The compression assembly 4 is installed on the support plate 3 and is communicated with the air storage tank 1 for transmitting the compressed gas to the air storage tank 1 for storage. The compression assembly 4 includes a driving motor 41 and a compression rotor 42. An installation base 43 is provided at the bottom of the driving motor 41 and is fixed on the support plate 3 through the installation base 43 to improve the overall structural strength and stability. The compression rotor 42 is connected to the driving motor 41 by a coupling to realize the functions of air inhalation, compression, and discharge. A temperature detection module is provided inside the compression assembly 4 for detecting the real-time module temperature inside the compression assembly 4. The oil inlet assembly 5 is installed on the support plate 3 and is communicated with the compression assembly 4 through an oil pipe. The vent valve 6 is at least partially arranged on the air storage tank 1, at least partially penetrates the support plate 3 and the air storage tank 1, and is communicated with the inside of the air storage tank 1. The pressure detection module is arranged at the top or side wall of the air storage tank 1 for detecting the air pressure value inside the air storage tank 1. The control module is electrically connected to the pressure detection module, the temperature detection module, and the vent valve 6. The control module controls the opening and closing of the vent valve 6 based on the detection data of the pressure detection module and the temperature detection module.

[0018] The control module is configured to: when the air pressure in the air storage tank 1 reaches the first preset air pressure threshold and the temperature inside the compression assembly 4 is lower than the first temperature threshold, trigger the opening of the vent valve 6.

[0019] Through the coordinated action of the air storage tank 1, the compression assembly 4, the oil inlet assembly 5, and the vent valve 6, the above screw machine realizes that when the air pressure in the air storage tank 1 reaches the preset air pressure threshold but the temperature inside the compression assembly 4 does not reach the preset temperature threshold, the vent valve 6 is automatically opened to discharge the gas in the air storage tank 1, so that the whole machine keeps running until the lubricating oil temperature reaches the preset temperature, and the compressed air naturally takes away the moisture inside the system to realize automatic drainage. This effectively prevents the problem of oil emulsification and deterioration caused by the accumulation of condensed water in the screw machine in an environment with high humidity and low oil temperature, and improves the reliability and service life of the equipment operation. At the same time, a dual judgment mechanism of air pressure and temperature is adopted to ensure that the vent valve 6 is opened at the best time, which not only ensures the timeliness of drainage but also avoids the waste of gas resources. In addition, the structural design of the screw machine is compact, the support plate 3 and the fixing member 2 are reasonably arranged, the installation is simple, and it is convenient for maintenance and repair. The overall device has a good automation level and is suitable for application scenarios in the automotive maintenance industry and similar industries with low usage frequency and large changes in environmental humidity.

[0020] More specifically, the fixing member 2 is a flange structure or a welded bracket structure. Among them, the flange structure enables quick disassembly and convenient maintenance, and is suitable for application scenarios that require regular maintenance or replacement of components. While adopting the welded bracket structure can provide higher stability and reliability in occasions where frequent disassembly is not required, reducing the risk of loosening and air leakage at the connection parts. Selecting the appropriate fixing method according to different application environments achieves the best balance among the structural strength, maintenance convenience and operation stability of the screw machine, improving the adaptability and service life of the overall equipment.

[0021] As Figure 1 shown, the oil inlet assembly 5 includes an oil storage member 51 and a heat dissipation member 52. The oil storage member 51 is connected to the compression assembly 4 through an oil pipe, and the oil storage member 51 is also connected to the heat dissipation member 52 through an oil pipe. The heat dissipation member 52 is arranged on the support plate 3. Through the reasonable combination of the oil storage member 51 and the heat dissipation member 52 in the oil inlet assembly 5, the effective management of the lubricating oil is realized. It not only ensures the supply stability of the lubricating oil, but also controls the oil temperature through cooling, extending the service life of the oil product. It effectively prevents the decline of the oil performance at high temperature, ensures the normal operation of the compression assembly 4 under different working conditions, and improves the reliability of the whole machine. At the same time, the reasonable layout of the heat dissipation member 52 makes the overall structure more compact, reduces the volume and weight of the equipment, facilitates the handling and installation of the equipment, and improves the convenience of maintenance.

[0022] A plurality of moving wheel sets 7 are provided at the bottom of the air storage tank 1, enabling the entire screw machine to move flexibly and facilitating the quick adjustment of the equipment position according to the usage needs. A braking device is provided on the moving wheel sets 7 for realizing the movement and positioning of the screw machine, preventing the equipment from displacement or vibration and sliding during operation, thereby ensuring the stability and safety of the equipment operation.

[0023] A push-pull armrest 8 is provided at the end of the air storage tank 1, enabling users to move and position the screw machine equipment more easily and flexibly, especially in narrow spaces or occasions that require frequent moving operations, greatly improving the operation efficiency and safety.

[0024] As Figure 1 and Figure 3 shown, the screw machine further includes an oil mist separation assembly 9. The oil mist separation assembly 9 is connected to the compression assembly 4, thereby effectively improving the purity of the compressed air, preventing the pollution and corrosion of the inner wall of the air storage tank 1 and the downstream gas-using equipment by the oil liquid, and extending the overall service life of the equipment. An air outlet pipe is provided at the top of the oil mist separation assembly 9, and at least part of the air outlet pipe penetrates through the support plate 3 and the air storage tank 1 and is communicated with the inside of the air storage tank 1.

[0025] The bottom of the oil mist separation component 9 is provided with an oil return pipe 91, which is connected to the oil inlet component 5 through the oil return pipe 91. Through the above settings, not only the lubricating oil is effectively recycled, the oil consumption cost is reduced, but also the normal working state inside the oil mist separation component 9 is maintained, and the abnormal operation caused by the accumulation of oil liquid is prevented.

[0026] A plurality of partition plates 92 along the radial direction are provided at the bottom of the inner cavity of the oil mist separation component 9. The partition plates 92 divide the bottom of the inner cavity of the oil mist separation component 9 into multiple regions, which not only effectively improves the sedimentation and separation efficiency of the oil mist, but also prevents the problem of false oil level information caused by the abnormal rise of the oil level in the edge region by suppressing the cyclone effect, thereby ensuring the accuracy of the oil level detection and the stability of the system operation.

[0027] The above is the description of the embodiments of the present invention. Through the above description of the disclosed embodiments, those skilled in the art can implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel points disclosed herein.

Claims

1. An automatic drainage screw machine, characterized in that Comprising: An air storage tank (1), a fixing member (2) is provided at the top of the air storage tank (1), and a metal support plate (3) is fixedly installed through the fixing member (2); A compression assembly (4), the compression assembly (4) is installed on the support plate (3) and is communicated with the air storage tank (1); the compression assembly (4) includes a driving motor (41) and a compression rotor (42); an installation base (43) is provided at the bottom of the driving motor (41), and is fixed on the support plate (3) through the installation base (43); the compression rotor (42) is connected to the driving motor (41) by a coupling; a temperature detection module is provided in the compression assembly (4); An oil inlet assembly (5), the oil inlet assembly (5) is installed on the support plate (3) and is communicated with the compression assembly (4) through an oil pipe; A blow-off valve (6), at least part of the blow-off valve (6) is arranged on the air storage tank (1), at least part of it penetrates through the support plate (3) and the air storage tank (1), and is communicated with the inside of the air storage tank (1); A pressure detection module, the pressure detection module is arranged at the top or side wall of the air storage tank (1) for detecting the air pressure value in the air storage tank (1); A control module, the control module is electrically connected to the pressure detection module, the temperature detection module and the blow-off valve (6), and the control module controls the opening and closing of the blow-off valve (6) based on the detection data of the pressure detection module and the temperature detection module; The control module is configured to: when the air pressure in the air storage tank (1) reaches a first preset air pressure threshold and the temperature in the compression assembly (4) is lower than a first temperature threshold, trigger the blow-off valve (6) to open.

2. The screw machine with automatic drainage according to claim 1, characterized in that, The fixing member (2) is a flange structure or a welded bracket structure.

3. The screw machine with automatic drainage according to claim 1, characterized in that, The oil inlet assembly (5) includes an oil storage member (51) and a heat dissipation member (52), the oil storage member (51) is connected to the compression assembly (4) through an oil pipe, the oil storage member (51) is also connected to the heat dissipation member (52) through an oil pipe, and the heat dissipation member (52) is installed on the support plate (3).

4. The screw machine with automatic drainage according to claim 1, characterized in that, A plurality of moving wheel groups (7) are provided at the bottom of the air storage tank (1), and a braking device is provided on the moving wheel groups (7) for realizing the movement and positioning of the screw machine.

5. The screw machine with automatic drainage according to claim 1, characterized in that, A push-pull handrail (8) is provided at the end of the air storage tank (1).

6. The screw machine with automatic drainage according to claim 1, characterized in that, The screw machine further includes an oil mist separation assembly (9), the oil mist separation assembly (9) is connected to the compression assembly (4); an air outlet pipe is provided at the top of the oil mist separation assembly (9), and at least part of the air outlet pipe penetrates through the support plate (3) and the air storage tank (1), and is communicated with the inside of the air storage tank (1).

7. The screw machine with automatic drainage according to claim 6, characterized in that, An oil return pipe (91) is provided at the bottom of the oil mist separation assembly (9), and is connected to the oil inlet assembly (5) through the oil return pipe (91).

8. The screw machine with automatic drainage according to claim 6, characterized in that, A plurality of partition plates (92) along the radial direction are provided at the bottom of the inner cavity of the oil mist separation assembly (9), and the partition plates (92) divide the bottom of the inner cavity of the oil mist separation assembly (9) into multiple regions.

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