Oil removal device for hydraulic valve plate

By designing a hydraulic valve plate oil removal device, and utilizing a combination of air blowing knife and solenoid valve control for oil removal, the problem of oil retention in the hydraulic valve plate is solved, achieving efficient oil removal, reducing environmental pollution and oil waste, and improving production efficiency.

CN223655668UActive Publication Date: 2025-12-12湖南金润电液控制系统有限公司
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Patent Information

Application Number
CN202423036566.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-12-12
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

In the existing hydraulic valve plate manufacturing process, it is difficult to effectively remove the oil remaining in the hydraulic valve plate after hydraulic testing, resulting in environmental pollution and oil waste.

Method used

A hydraulic valve plate oil removal device is designed, which uses first and second air knives to blow air to remove oil from the top and bottom of the hydraulic valve plate, respectively. By combining internal and external air blowing, combined with solenoid valve control and oil mist and oil collector to collect oil mist and oil, efficient oil removal is achieved.

Benefits of technology

It effectively reduces oil retention in hydraulic valve plates, reduces environmental pollution and oil waste, improves degreasing efficiency, and saves production costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223655668U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of hydraulic valve plate production, and discloses a hydraulic valve plate oil removal device which comprises a first blowing knife and a second blowing knife which are used for carrying out blowing oil removal on the top and the bottom of a hydraulic valve plate; the first electromagnetic switch valve is arranged on an air path of the first air blowing knife and the second air blowing knife and is used for controlling the first air blowing knife and the second air blowing knife to be opened or closed; the second electromagnetic switch valve is mounted on an airflow channel leading to the interior of the hydraulic valve plate and used for controlling airflow leading to the interior of the hydraulic valve plate; an oil mist collector; the oil product collecting piece removes and collects oil through the device, oil stored in the hydraulic valve plate is reduced, and pollution to the environment and waste of oil products in the packaging and transporting process are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic valve plate production technical field more specifically, especially, it is a kind of hydraulic valve plate oil removal device. BACKGROUND

[0002] Hydraulic valve plate is the important component in vehicle gearbox, responsible for adjusting the pressure of gearbox oil, to control the work of clutch and brake inside gearbox, it controls the flow direction of gearbox oil through different valve body and channel, realizes the smoothness and accuracy of gear shifting.The cleaning of hydraulic valve plate is crucial for the normal work of gearbox.The pollution of gearbox oil can cause the blockage of internal channel of valve plate, affect oil pressure regulation and gear shifting quality.

[0003] In the existing production process, the hydraulic test of hydraulic valve plate is the necessary procedure in its production process, after hydraulic test, it can be judged whether product meets technical requirements, there is a lot of oil in the groove of hydraulic valve plate oil channel after hydraulic test process.Usually, hydraulic valve plate is placed on oil draining rack and drained naturally by gravity, but the internal oil channel of hydraulic valve plate is complex, and there are many closed oil channels, so the effect of natural draining by gravity is poor, there is still a lot of oil in valve plate after draining, which causes the pollution of environment and waste of oil product in packaging and transportation process.

[0004] Therefore, a kind of hydraulic valve plate oil removal device is needed to clean the oil dirt on the surface and inside of hydraulic valve plate conveniently. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of hydraulic valve plate oil removal device to solve the problems existing in prior art, by the oil removal and collection of the device, reduce the oil storage in hydraulic valve plate, reduce the pollution of environment and waste of oil product in packaging and transportation process.

[0006] To achieve the above object, the utility model provides the following scheme: the utility model provides a kind of hydraulic valve plate oil removal device, comprising: first air knife and second air knife, the first air knife and the second air knife are distributed at the top and bottom of hydraulic valve plate respectively, the first air knife and the second air knife are connected with compressed air, for blowing and oil removal to the top and bottom of hydraulic valve plate;First electromagnetic switch valve, the first electromagnetic switch valve is installed on the gas path of the first air knife and the second air knife, for controlling the opening or closing of the first air knife and the second air knife;Second electromagnetic switch valve, the second electromagnetic switch valve is installed on the airflow channel leading to the inside of hydraulic valve plate, for controlling the airflow leading to the inside of hydraulic valve plate;Oil mist collector, the oil mist collector is located at the top of the hydraulic valve plate, for collecting the oil mist generated by blowing;Oil product collecting piece, the oil product collecting piece is located at the bottom of the hydraulic valve plate, for collecting the blown oil body.

[0007] The hydraulic valve plate is fixed on the oil removal bottom plate through the pressing part.

[0008] The air source filter dryer, the pressure increasing valve and the energy accumulator are installed on the air path of the first air blowing knife, the second air blowing knife and the internal air flow passage of the hydraulic valve plate.

[0009] The one-way valve and the first electromagnetic reversing valve are installed at the front end of the pressing part.

[0010] The oil product collecting part comprises an oil pumping pump and an oil collecting tank, the filter is arranged in the oil collecting tank, and the oil product conveying part is connected to the oil pumping pump.

[0011] The weight meter is arranged at the bottom of the hydraulic valve plate, the jacking part is installed below the weight meter, and the jacking part is controlled to lift or lower through the second electromagnetic reversing valve.

[0012] The electromagnetic valve is arranged in the hydraulic valve plate, and the opening or closing of the electromagnetic valve is controlled through the TCU.

[0013] The utility model discloses the following technical effects:

[0014] The first air blowing knife, the second air blowing knife and the internal oil passage of the hydraulic valve plate constitute the air blowing device of the device, the air blowing device in the device is composed of internal and external air blowing, wherein the first air blowing knife and the second air blowing knife blow air to the top and bottom of the hydraulic valve plate respectively, blow out the oil on the top surface and the bottom surface of the hydraulic valve plate, and the oil is collected by the oil product collecting part after being blown out, the oil mist is collected by the oil mist collector, the pollution to the environment and the waste of oil product can be avoided, the internal oil passage of the hydraulic valve plate is blown by air, the internal oil passage of the hydraulic valve plate is deoiled, and the oil storage in the internal oil passage of the hydraulic valve plate is reduced, the first electromagnetic switch valve and the second electromagnetic switch valve in the device control internal and external air blowing respectively, the time and frequency of internal and external oil removal are combined according to logic respectively or individually, and the efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without paying creative labor for the ordinary skilled in the art.

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Among them, 1, air source filter dryer;2, booster valve;3, energy accumulator;4, first electromagnetic switch valve;5, first air knife;6, first electromagnetic reversing valve;7, pressing part;8, second electromagnetic switch valve;9, second air knife;10, second electromagnetic reversing valve;11, jacking part;12, weightometer;13, oil removal floor;14, hydraulic valve plate;15, oil mist collector;16, oil collecting part;17, oil conveying part;18, check valve;19, TCU. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, obvious and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0020] As Figure 1 shown, the utility model provides a hydraulic valve plate oil removal device, include: first air knife 5 and second air knife 9, first air knife 5 and second air knife 9 are distributed at the top and bottom of hydraulic valve plate 14 respectively, first air knife 5 and second air knife 9 are connected with compressed air, are used for blowing and removing oil to the top and bottom of hydraulic valve plate 14, first electromagnetic switch valve 4, first electromagnetic switch valve 4 is installed on the gas circuit of first air knife 5 and second air knife 9, is used for controlling the opening or closing of first air knife 5 and second air knife 9, second electromagnetic switch valve 8, second electromagnetic switch valve 8 is installed on the gas flow passage leading to the inside of hydraulic valve plate 14, is used for controlling the gas flow leading to the inside of hydraulic valve plate 14, oil mist collector 15, oil mist collector 15 is located at the top of hydraulic valve plate 14, is used for collecting the oil mist generated by blowing, oil collecting part 16, oil collecting part 16 is located at the bottom of hydraulic valve plate 14, is used for collecting the blown oil body.

[0021] The first air knife 5, the second air knife 9 and the valve plate internal flow in the device constitute the air blowing device of the device, that is, the air blowing device is composed of an internal air blowing and an external air blowing assembly, wherein the first air knife 5 and the second air knife 9 are external air blowing, the valve plate internal oil passage is connected to high-pressure airflow to form internal air blowing, the first air knife 5 and the second air knife 9 blow the top surface and the bottom surface of the hydraulic valve plate 14 to remove the oil on the top surface and the bottom surface of the hydraulic valve plate 14, and the valve plate internal oil passage is cleaned by the high-pressure airflow.

[0022] The first air knife 5 and the second air knife 9 in the embodiment can also be replaced by nozzles, which can realize blowing and removing the upper and lower surfaces of the hydraulic valve plate 14 respectively or simultaneously.

[0023] The first air knife 5, the second air knife 9 and the valve plate internal airflow passage are provided with an air source filter dryer 1, a pressure increasing valve 2 and an accumulator 3, compressed air is filtered and dried by the air source filter dryer 1 and is temporarily stored in the accumulator 3 after being pressurized by the pressure increasing valve 2.

[0024] The first electromagnetic switch valve 4 is opened, high-pressure airflow flows to the first air knife 5 and the second air knife 9 through the first electromagnetic switch valve 4, and the upper and lower surfaces outside the hydraulic valve plate 14 are cleaned respectively. The second electromagnetic switch valve 8 is opened, high-pressure airflow enters the inside of the hydraulic valve plate 14, and the inside of the hydraulic valve plate 14 is cleaned. In the device, the first electromagnetic switch valve 4 and the second electromagnetic switch valve 8 are controlled, the time and frequency of internal and external cleaning are combined according to logic, and the oil removal efficiency can be improved.

[0025] When the inside of the hydraulic valve plate 14 is cleaned, the electromagnetic valve on the hydraulic valve plate 14 is controlled by the TCU 19 (Transmission Control Unit, automatic transmission control unit), and the electromagnetic valve on the hydraulic valve plate 14 is opened alone or according to logic, so that the hydraulic flow passage is opened alone or all together, so that the high-pressure airflow blows out the oil.

[0026] The hydraulic valve plate 14 is fixed on the oil removal base plate 13 by the pressing part 7, the pressing part 7 presses and fixes the hydraulic valve plate 14 on the oil removal base, and the pressing part 7 includes a gas control cylinder and an electric actuator, a one-way valve 18 is installed at the front end of the gas control cylinder, which is used to lock the pressure of the cylinder, and can prevent the pressure of the cylinder from being loose due to large instantaneous air consumption during air blowing. A first electromagnetic reversing valve 6 is also installed at the front end of the gas control cylinder, which is used to control the pressing or loosening of the cylinder.

[0027] An oil collecting part 16 is arranged below the hydraulic valve plate 14, the oil collecting part 16 includes an oil pump and an oil collecting tank, a filter is arranged in the oil collecting tank, and an oil conveying part 17 is connected to the oil pump, which is used to convey the collected oil to a designated position, so as to avoid pollution to the environment and waste of oil.

[0028] The hydraulic valve plate 14 is provided with an oil mist collector 15 at the top, which is used to collect the oil mist generated by the air blowing in the bin, realizing environmental friendliness.

[0029] The hydraulic valve plate 14 is provided with a weighter 12 at the bottom, and a jacking part 11 is installed below the weighter 12, and the jacking part 11 is controlled to rise and fall through the second electromagnetic reversing valve 10. The jacking part 11 is a jacking cylinder in the embodiment, and the jacking cylinder is controlled to rise and fall through the second electromagnetic reversing valve 10, and the hydraulic valve plate 14 is weighed and compared before and after oil removal through the jacking action of the jacking cylinder, so as to obtain the oil removal effect and the amount of residual oil.

[0030] Through the oil removal and collection of the device, the oil storage in the hydraulic valve plate 14 is reduced, the pollution to the environment and the waste of oil products in the packaging and transportation process are reduced, the process time of oil drainage is saved, the oil product loss is reduced, the residual oil is collected and reused, the production cost is saved, and great profits are created for enterprises.

[0031] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0032] The above-described embodiments are only used to describe the preferred modes of the utility model, and do not limit the scope of the utility model, and various deformations and improvements of the technical solutions of the utility model made by those skilled in the art without departing from the design spirit of the utility model should fall within the protection scope of the utility model claim.

Claims

1. A hydraulic valve plate oil removal device, characterized in that, include: The first air-blowing knife (5) and the second air-blowing knife (9) are respectively distributed on the top and bottom of the hydraulic valve plate (14). The first air-blowing knife (5) and the second air-blowing knife (9) are connected to compressed air for blowing oil off the top and bottom of the hydraulic valve plate (14). The first electromagnetic switch valve (4) is installed in the air circuit of the first air knife (5) and the second air knife (9) to control the opening or closing of the first air knife (5) and the second air knife (9); The second electromagnetic switch valve (8) is installed on the airflow passage leading to the interior of the hydraulic valve plate (14) and is used to control the airflow leading to the interior of the hydraulic valve plate (14). Oil mist collector (15), located on top of the hydraulic valve plate (14), is used to collect oil mist generated by blowing air; Oil collection component (16), located at the bottom of the hydraulic valve plate (14), is used to collect the blown oil.

2. The hydraulic valve plate oil removal device according to claim 1, characterized in that: The hydraulic valve plate (14) is fixed to the degreasing base plate (13) by the clamping member (7).

3. The hydraulic valve plate oil removal device according to claim 1, characterized in that: An air source filter dryer (1), a booster valve (2) and an accumulator (3) are installed on the air flow path inside the air flow channel of the first air blowing knife (5), the second air blowing knife (9) and the hydraulic valve plate (14).

4. The hydraulic valve plate oil removal device according to claim 2, characterized in that: The front end of the clamping component (7) is equipped with a one-way valve (18) and a first solenoid directional valve (6).

5. The hydraulic valve plate oil removal device according to claim 1, characterized in that: The oil collection unit (16) includes an oil pump and an oil collection tank. The oil collection tank is equipped with a filter, and the oil pump is connected to an oil delivery unit (17).

6. The hydraulic valve plate oil removal device according to claim 1, characterized in that: The bottom of the hydraulic valve plate (14) is provided with a weighing device (12), and a lifting component (11) is installed below the weighing device (12). The lifting component (11) is controlled to lift and lower by a second electromagnetic reversing valve (10).

7. The hydraulic valve plate oil removal device according to claim 1, characterized in that: The hydraulic valve plate (14) is equipped with a solenoid valve, which is controlled to open or close by the TCU (19).