CN217550178U

CN217550178U - Automatic device of applying paint with a brush of rust-preventative oil of hollow shaft flaw detection

Info

Publication number: CN217550178U
Application number: CN202221325313.0U
Authority: CN
Inventors: 高静涛; 朱德生; 吴方博; 周庆江; 张小龙; 姜曦
Original assignee: Nsh Cti Machine Tool Jiangxi Co ltd
Current assignee: Nsh Cti Machine Tool Jiangxi Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-10-11
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to the technical field of axle hollow shaft flaw detection, and discloses an automatic painting device for hollow shaft flaw detection rust preventive oil, which comprises a painting head, a guide ring, an oil guide channel, a scraping ring, an oil storage cylinder, a piston and an electric cylinder; the front end of the coating brush head is provided with a guide ring, the middle part of the coating brush head is provided with a scraping brush ring, and the rear end of the coating brush head is connected with an oil storage cylinder; the interior of the brush head is provided with an oil guide channel. The utility model discloses can carry out automatic rust-preventive oil of applying paint with a brush on to the hole surface of hollow shaft with convenient and fast, high-efficient high-quality, compare with prior art, operation quality is good, efficient, economic environmental protection, degree of automation height.

Description

Automatic device of applying paint with a brush of rust-preventative oil of hollow shaft flaw detection

Technical Field

The utility model relates to an axletree hollow shaft technical field that detects a flaw, concretely relates to hollow shaft is detected a flaw and is applied paint device with a brush automatically to rust-resistant oil.

Background

With the rapid development of domestic high-speed railways, the number of motor train units to be kept increases year by year, and the overhaul capacity of the motor train units is obviously increased. In the daily operation and maintenance and the middle and large maintenance processes of the motor train unit, the flaw detection of the hollow shaft of the wheel shaft is an indispensable maintenance project. After the flaw detection of the hollow shaft hole of the axle by the hollow shaft ultrasonic flaw detector is finished, the residual couplant needs to be removed, and a layer of rust preventive oil needs to be uniformly sprayed on the surface of the hollow shaft hole to ensure that the surface of the hollow shaft hole is not rusted before the next hollow shaft flaw detection.

At present, an existing anti-rust oil coating method is that an operator folds cotton cloth into a proper shape and then soaks the cotton cloth in anti-rust oil, after the cotton cloth is soaked in the anti-rust oil, the operator wears a latex glove and then pinches the anti-rust oil on the cotton cloth to be dry by one hand until the anti-rust oil does not flow, the cotton cloth is plugged into a hollow shaft hole from a shaft end and is pushed into a hollow shaft by an aluminum alloy push rod until the cotton cloth is pushed out from the other shaft end, and therefore the anti-rust oil coating on the surface of the hollow shaft hole is completed.

The existing brushing method mainly has the following defects:

(1) The manual labor amount is large, the efficiency is low, the operation is greatly influenced by the proficiency of operators, and the brushing quality is difficult to ensure.

(2) The method has the advantages of poor economy, easy waste, large environmental pollution, large consumption of the anti-rust oil and the cotton cloth, difficult control of the coating amount of the anti-rust oil, frequent occurrence of excessive dripping and leakage of the anti-rust oil during coating, easy dripping and leakage of the anti-rust oil on the ground of an operation site, influence on the site operation environment and potential safety hazard.

(3) When in operation, the rust-proof oil is exposed in the air environment of an operation site for a long time, and the rust-proof oil is easily polluted by dust, water vapor and other sundries in the air and influences the rust-proof effect.

Therefore, how to provide a hollow shaft flaw detection rust-preventive oil coating device which has good operation quality, high efficiency and good economy and can realize process automation becomes a problem which needs to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

Not enough of mode is applied paint with a brush to current hollow shaft flaw detection antirust oil, the utility model provides a hollow shaft flaw detection antirust oil automatic brushing device, the technical scheme of adoption is:

an automatic painting device for flaw detection and rust preventive oil of a hollow shaft comprises a painting head 1, a guide ring 2, an oil guide channel 3, a scraping brush ring 4, an oil storage cylinder 5, a piston 6 and an electric cylinder 7; the front end of the painting head 1 is provided with a guide ring 2 made of nylon material, the middle part is provided with a scraping and brushing ring 4, and the rear end is connected with an oil storage cylinder 5; the interior of the brush head 1 is provided with an oil guide channel 3.

Further, the oil storage cylinder 5 is a cylindrical cylinder, an oil outlet 8 is formed in the front end of the oil storage cylinder, a piston 6 and an electric cylinder 7 are arranged in the oil storage cylinder 5, and a certain amount of anti-rust oil can be stored in the oil storage cylinder 5; the oil outlet 8 is connected with the oil guide channel 3 in a plugging or threaded mode.

Furthermore, a push rod 71 capable of telescopic motion is arranged inside the electric cylinder 7, the front end of the push rod 71 is connected with the piston 6, the piston 6 can be driven to reciprocate in the oil storage cylinder 5, when the push rod 71 extends out, the piston 6 moves forwards in the oil storage cylinder 5 along with the piston, meanwhile, antirust oil in the oil storage cylinder 5 can be squeezed into the oil guide channel 3 through an oil outlet, and the electric cylinder 7 can be subjected to centralized control through an external electric signal and can also be controlled through an internal integrated electric control module.

Furthermore, the oil guide channel 3 comprises a main oil guide channel 31 arranged along the axial direction of the painting head 1 and 6 branch oil guide channels 32 radially and uniformly distributed along the radial direction of the painting head 1, and the front end of each branch oil guide channel 32 is provided with an oil spray opening 33 communicated with the outside; the oil distribution passage 32 is located between the guide ring 2 and the wiper ring 4.

Further, the scraping and brushing ring 4 is made of porous spongy silica gel material, has elasticity and has certain oil absorption capacity.

Compared with the prior art, the utility model discloses possess following beneficial effect:

(1) The structure that the rust preventive oil is hermetically stored by the oil storage cylinder is adopted, so that the condition that the rust preventive oil is polluted due to exposure is avoided, and the quality and the rust preventive effect of the rust preventive oil are ensured.

(2) The device can be automatically controlled, the operation process is less influenced by the proficiency of operators, and the coating quality of the anti-rust oil can be better ensured; high efficiency, time and labor saving and obviously reduced labor amount.

(2) The device can be used repeatedly, has high durability, consumes no consumable material, can realize the quantitative spraying of the antirust oil, avoids the leakage of the antirust oil, and ensures the environmental protection and the safety of an operation site.

Drawings

FIG. 1 is a longitudinal section schematic view of an automatic painting device for flaw detection and rust preventive oil for hollow shafts disclosed by the present invention;

FIG. 2 isbase:Sub>A schematic sectional view of the A-A section of the automatic brushing device for hollow shaft flaw detection rust preventive oil disclosed by the utility model;

reference numerals: 1. coating a brush head; 2. a guide ring; 3. an oil guide channel; 31. a main oil guide passage; 32. a branch oil guide channel; 33. an oil injection port; 4. a scraping and brushing ring; 5. an oil storage cylinder; 6. a piston; 7. an electric cylinder; 71. a push rod; 8. an oil outlet; 9. a hollow shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without making any creative effort fall within the protection scope of the present invention.

As shown in fig. 1 and 2, the utility model discloses an automatic painting device for flaw detection and rust preventive oil of a hollow shaft, which comprises a painting head 1, a guide ring 2, an oil guide channel 3, a scraping and brushing ring 4, an oil storage cylinder 5, a piston 6 and an electric cylinder 7; the front end of the painting head 1 is provided with a guide ring 2 made of nylon material, the middle part is provided with a scraping brush ring 4, and the rear end is connected with an oil storage cylinder 5; the interior of the brush head 1 is provided with an oil guide channel 3.

Preferably, the oil storage cylinder 5 is a cylindrical cylinder body, the front end of the oil storage cylinder is provided with an oil outlet 8, the interior of the oil storage cylinder is provided with a piston 6 and an electric cylinder 7, and a certain amount of anti-rust oil can be stored in the oil storage cylinder; the oil outlet 8 is connected with the oil guide channel 3 in a plugging or threaded mode.

Preferably, a telescopic push rod 71 is arranged inside the electric cylinder 7, the front end of the push rod 71 is connected with the piston 6, the piston 6 is driven to reciprocate in the oil storage cylinder 5, when the push rod 71 extends out, the piston 6 moves forwards in the oil storage cylinder 5 along with the push rod, meanwhile, antirust oil in the oil storage cylinder 5 can be squeezed into the oil guide channel 3 through an oil outlet, and the electric cylinder 7 can be controlled in a centralized manner by an external electric signal or by an internal integrated electric control module.

Preferably, the oil guide channel 3 comprises a main oil guide channel 31 arranged along the axial direction of the painting head 1 and 6 branch oil guide channels 32 radially and uniformly distributed along the radial direction of the painting head 1, and the front end of each branch oil guide channel 32 is provided with an oil nozzle 33 communicated with the outside; the oil distribution passage 32 is located between the guide ring 2 and the wiper ring 4.

Preferably, the scraping and brushing ring 4 is made of porous sponge silica gel, has elasticity and has certain oil absorption capacity.

The working principle is as follows: after the wheel pair hollow shaft is subjected to flaw detection and the couplant is removed, an automatic push rod or other driving modes are used for pushing the whole hollow shaft flaw detection antirust oil automatic painting device to axially move at a constant speed in the hollow shaft 9, the guide ring 2 is in contact with the surface of an inner hole of the hollow shaft 9 to play a role in guiding, the electric cylinder 7 is controlled by an external electric signal or an internal integrated electric control module while axially moving at the constant speed, the push rod 71 slowly extends out at the constant speed to push the piston 6 to move forwards to extrude the antirust oil in the oil storage cylinder 5 into the oil guide channel 3 at a constant speed and a constant flow rate, the antirust oil flows into each sub oil guide channel 32 through the main oil guide channel 31, then forms mist oil drops through each oil injection port 33 to be sprayed to the surface of the inner hole of the hollow shaft 9, the scraping and brushing ring 4 further brushes the antirust oil drops sprayed on the surface of the inner hole of the hollow shaft 9 uniformly to meet related technical requirements along with the axial continuous uniform movement of the brushing head 1 in the hollow shaft 9, and accordingly automatic painting of the inner hole of the hollow shaft 9 is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The automatic painting device for flaw detection and rust preventive oil of the hollow shaft is characterized by comprising the following components: the oil-spraying device comprises a painting head (1), a guide ring (2), an oil guide channel (3), a scraping brush ring (4), an oil storage cylinder (5), a piston (6) and an electric cylinder (7); the front end of the painting head (1) is provided with a guide ring (2), the middle part of the painting head is provided with a scraping and brushing ring (4), and the rear end of the painting head is connected with an oil storage cylinder (5); the interior of the painting head (1) is provided with an oil guide channel (3).

2. The automatic painting device for flaw detection rust preventive oil of a hollow shaft according to claim 1, which is characterized in that: the oil storage cylinder (5) is a cylindrical cylinder, the front end of the oil storage cylinder is provided with an oil outlet (8), and a piston (6) and an electric cylinder (7) are arranged in the oil storage cylinder; the oil outlet (8) is connected with the oil guide channel (3) in an inserting or threaded mode.

3. The automatic painting device for flaw detection rust preventive oil of a hollow shaft according to claim 1, which is characterized in that: the electric cylinder (7) is internally provided with a push rod (71) which can do telescopic motion, and the front end of the push rod (71) is connected with the piston (6).

4. The automatic painting device for flaw detection rust preventive oil of a hollow shaft according to claim 1, which is characterized in that: the oil guide channel (3) comprises a main oil guide channel (31) arranged along the axial direction of the coating brush head (1) and 6 oil guide channels (32) radially and uniformly distributed along the radial direction of the coating brush head (1), and the front end of each oil guide channel (32) is provided with an oil spray opening (33) communicated with the outside; the oil distributing and guiding channel (32) is positioned between the guide ring (2) and the scraping and brushing ring (4).

5. The automatic painting device for flaw detection rust preventive oil of a hollow shaft according to claim 1, which is characterized in that: the scraping and brushing ring (4) is silica gel.