CN-117739636-B - Automatic device that weathers of valve body

CN117739636BCN 117739636 BCN117739636 BCN 117739636BCN-117739636-B

Abstract

The invention discloses an automatic blow-drying device for a valve body, which comprises a turntable, an air knife assembly, a profiling mechanism, a motor and a blower. The structure of left and right reciprocating air knives at the top, front up and down reciprocating air knives, fixed air knives and extending-in type air nozzles is adopted, the profiling mechanism supports the up and down reciprocating air knives, and the full-coverage blowing is automatically carried out on the valve face, so that the blow-drying quality is ensured, and the operation efficiency is greatly improved.

Inventors

YANG XINGPENG
JIANG YONG
WANG YONG
WU HAOYU
YANG JIANPING
XU HAI
LIAO JUN
DAI YUNBO
ZHANG LINMING
PI SHIXING

Assignees

眉山中车制动科技股份有限公司

Dates

Publication Date: 20260505
Application Date: 20231218

Claims (8)

1. An automatic blow-drying device for a valve body is characterized in that, The rotary table (1) is used for placing the valve body (8), a motor (9) connected with the rotary table (1), air knife assemblies for blowing air to the valve body (8), and a blower (7) connected with the air knife assemblies; The profiling mechanism (5) supports the upper and lower reciprocating mechanisms (2), the profiling mechanism (5) drives the upper and lower reciprocating mechanisms (2) to reciprocate along the direction away from or close to the center point of the turntable base (101), one end, close to the turntable (1), of the profiling mechanism (5) is provided with a profiling roller (501), the profiling roller (501) is in contact with the edge of the base (101), and the distance between the air outlet of the first air knife assembly (201) and the side face of the valve body (8) is kept constant through the profiling roller (501); The air knife assembly comprises a first air knife assembly (201), a second air knife assembly (301), an air nozzle assembly (4) and a fixed air knife assembly (6); The first air knife assembly (201) is arranged beside the rotary table (1), moves up and down along the guide rail along with the up-and-down reciprocating mechanism (2), and has an air outlet direction facing the surface to be blown of the side surface of the valve body (8), wherein the up-and-down reciprocating mechanism (2) is assembled with the left-and-right reciprocating mechanism (3), the second air knife assembly (301) is arranged above the rotary table (1), moves left and right along with the left-and-right reciprocating mechanism (3) along the guide rail, has an air outlet direction facing downwards and facing the surface to be blown of the top surface of the valve body (8); the air tap assembly (4) is arranged on one side of the first air knife assembly (201), stretches and moves in the horizontal direction, stretches into a preset area of the valve body (8) to perform blowing, and the fixed air knife assembly (6) is arranged on one side of the rotary table (1).
2. An automatic blow-drying device for valve bodies according to claim 1, characterized in that the range of movement of the first air knife assembly (201) is not less than the height of the valve body (8), the range of movement of the second air knife assembly (301) is not less than the length of the valve body (8), and the lengths of the air outlets of the first air knife assembly (201) and the second air knife assembly (301) are not less than the width of the valve body (8).
3. An automatic blow-drying device for a valve body (8) according to claim 1, wherein the second air knife assembly (301) further comprises an extension arm (302), and an air outlet is arranged at the front end of the extension arm (302).
4. The automatic blow-drying device for valve bodies according to claim 1, wherein the upper part of the up-down reciprocating mechanism (2) is assembled with the left-right reciprocating mechanism (3) through a connecting piece to form a cross structure, and the connecting piece adjusts the left-right reciprocating mechanism (3) to enable the relative position of the left-right reciprocating mechanism (3) and the turntable (1) to be changed.
5. An automatic blow-drying apparatus for valve bodies according to claim 4, wherein said left and right reciprocating mechanism (3) comprises a reciprocating section (303) and an adjusting section (304), said reciprocating section (303) providing a reciprocating range for said second air knife assembly (301), said connecting member moving in said adjusting section (304) and being capable of adjusting the position of said left and right reciprocating mechanism (3).
6. A blow-drying method using the automatic blow-drying device for valve bodies according to any one of claims 1 to 5, characterized by comprising the steps of: setting process parameters including circulation times, blowing sequence, air pressure and temperature, moving a left-right reciprocating mechanism (3) and an up-down reciprocating mechanism (2) to initial positions, and placing a valve body (8) on a rotary table (1); step two, the second air knife assembly (301) performs blowing operation on the top of the valve body (8); the turntable (1) rotates or stops under the drive of the motor (9), and the first air knife assembly (201) blows the side surface of the valve body (8) to ensure that the upper cover surface (801), the lower cover surface (802) and the relief valve mounting surface (803) of the side surface of the valve body (8) can be blown in place; rotating the rotary table (1) until the air tap assembly (4) is aligned to a preset area of the valve body (8), stopping rotating the rotary table (1), enabling the air tap assembly (4) to extend into the preset area to perform blowing operation, and retracting the air tap after blowing of the preset area is completed; And fifthly, taking out the valve body (8), moving to the position of the fixed air knife assembly (6), and performing blowing operation on the bottom surface of the valve body (8).
7. The drying method according to claim 6, wherein, The third step and the fourth step are alternately performed, when the blowing surface is an upper cover surface (801) or a lower cover surface (802), the first air knife assembly (201) pauses when reaching the height position of the preset area, the air nozzle assembly (4) stretches into the preset area to perform blowing operation, the air nozzle is retracted after blowing of the preset area is completed, when the blowing surface is a relief valve mounting surface (803), the first air knife assembly (201) continues to act when reaching the height position of the preset area, and the air nozzle assembly (4) does not operate.
8. The blow-drying method according to claim 6 or 7, wherein: And the second step and the third step are performed simultaneously, and the second step to the fourth step are performed circularly.

Description

Automatic device that weathers of valve body Technical Field The invention relates to the technical field of valve body cleaning, in particular to an automatic blow-drying device for a valve body. Background Currently, a 120-type railway freight car air brake control valve (hereinafter referred to as a 120 valve) is a core component for freight car braking, and is widely used for various railway freight car vehicles, and the product quality of the 120 valve directly influences the railway freight car driving safety. The 120 valve mainly comprises a main valve body, an intermediate body, an emergency valve and a relief valve, wherein the inner cavity of the main valve body has a complex structure and a small aperture of an air channel. The inner cavity of the main valve body is provided with a large amount of residual water stains after being cleaned, and if corrosion or air channel blockage is caused by the failure of cleaning, the service performance of the valve body can be affected, and hidden danger is brought to the driving safety of the railway freight car. Currently, an air gun is adopted to perform manual cleaning operation on the cleaned valve body. The operation mode has the defects of low efficiency, high labor intensity, difficulty in ensuring blow-drying quality, noise harshness and the like. Disclosure of Invention The invention aims to solve the problems and provide the automatic blow-drying device for the valve body, which can be used for blowing high-pressure hot air to the valve body by utilizing the cooperation of the special air knife, so that residual water stains on each surface and the inner cavity of the valve body are blown away or evaporated in an accelerating way, and the efficiency is improved. The invention is realized by the following scheme: An automatic blow-drying device for a valve body comprises a turntable for placing the valve body, a motor connected with the turntable, air knife assemblies for blowing air to the valve body, and a blower connected with the air knife assemblies; The profiling mechanism supports the up-and-down reciprocating mechanism, and drives the up-and-down reciprocating mechanism to reciprocate in a direction away from or close to the center point of the turntable base; The air knife assembly comprises a first air knife assembly, a second air knife assembly, an air tap assembly and a fixed air knife assembly; The first air knife assembly is arranged at the side of the rotary table, moves up and down along the guide rail along with the up-down reciprocating mechanism, and the air outlet direction faces the surface to be blown on the side surface of the valve body; the up-down reciprocating mechanism is assembled with the left-right reciprocating mechanism; the second air knife assembly is arranged above the rotary table, moves left and right along the guide rail along with the left and right reciprocating mechanism, and has an air outlet direction downward and faces the surface to be blown of the top surface of the valve body, the air nozzle assembly is arranged on one side of the first air knife assembly, stretches and moves along the horizontal direction, stretches into a preset area of the valve body to perform blowing, and the fixed air knife assembly is arranged on one side of the rotary table. Further, the moving range of the first air knife component is not smaller than the height of the valve body, the moving range of the second air knife component is not smaller than the length of the valve body, and the lengths of the air outlet of the first air knife component and the air outlet of the second air knife component are not smaller than the width of the valve body. Further, one end of the profiling mechanism, which is close to the turntable, is provided with a profiling roller, the profiling roller is in contact with the edge of the turntable base, and the distance between the air outlet of the first air knife assembly and the side surface of the valve body is kept constant through the profiling roller. Further, the second air knife assembly further comprises an extension arm, and an air outlet is formed in the front end of the extension arm. Further, the upper part of the up-down reciprocating mechanism is assembled with the left-right reciprocating mechanism through a connecting piece to form a cross structure, and the connecting piece adjusts the left-right reciprocating mechanism so that the relative position of the left-right reciprocating mechanism and the turntable can be changed. Further, the left-right reciprocating mechanism comprises a reciprocating section and an adjusting section, the reciprocating section provides a reciprocating operation range for the second air knife assembly, and the connecting piece moves in the adjusting section and can adjust the position of the left-right reciprocating mechanism. The invention also provides a blow-drying method based on the automatic blow-drying device for the valve body, which comprises t