KR100188566B1 - Oil removal apparatus for bearing - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a degreasing apparatus for a bearing which removes a cleaning agent attached to a bearing after assembly and cleaning of the bearing.

The apparatus for degreasing a bearing according to the present invention comprises an anti-rust oil spraying nozzle for spraying rust-preventive oil onto a bearing cleaned with a cleaning agent such as a black oil, and an anti-rusting oil sprayer A deflecting drum for simultaneously degreasing the bearing accommodating compartment received by the bearing conveying means, a deflecting drum for defatting the deflecting drum by a predetermined distance, And a power transmitting means for transmitting the driving force of the driving means to the degreasing drum so as to centrifugally rotate the separating drum.

Description

Degreasing device of bearing

FIG. 1 is a side sectional view schematically showing a degreasing apparatus for a bearing according to an embodiment of the present invention; FIG.

FIG. 2 is a schematic cross-sectional view of a bearing deflecting device according to an embodiment of the present invention when conveying a bearing. FIG.

FIG. 3a is a schematic sectional view showing a non-operating state of a degreasing apparatus of a bearing according to an embodiment of the present invention;

Figure 3b is a schematic side view of the shutter.

FIG. 4 is a cross-sectional view of the degreasing drum taken along arrows IV-IV in FIG. 2;

DESCRIPTION OF THE REFERENCE NUMERALS

2: machine room 3: front cover

3a: Control panel 4: Main body

5, 5a: Bearing 7: Degreasing drum cover

8: degreasing drum 10: driving means

12: Entry suit 14: Rust prevention oil injection nozzle

16: Antirust oil collecting container 18: Antirust oil tank

20: Pump 22: Valve

24: Filtration means 26a: First stopper

26b: second stopper 30: bearing feeding means

32a, 32b: guide rail 34: support rod

36a, 36b: clamp member 40a, 40b:

42: drum body rod portion 44, 46: deaeration chute

48a, 48b: drum shafts 50a, 50b:

54: drive pulley 56: timing belt

58: driven pulley 60a, 60b: shutter

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a degreasing apparatus for a bearing which removes a cleaning agent attached to a bearing after a bearing is assembled.

Generally, the manufacture of the bearing is performed by turning or forging the outer ring, the inner ring, and the steel ball, followed by heat treatment, grinding, and assembling the outer ring, the inner ring and the steel ball.

When the finished product of the bearing is manufactured by assembling the outer ring, the inner ring, and the steel ball after the grinding, the iron ball, the grinding powder, or the super oil are adhered to the bearing. Wash by car.

In order to remove the white oil, a bearing was added to the degreasing agent which is a trichlorethylene type solvent (c1 ^{+ type} solvent; 1, 1, 1-TEC) in the conventional degreasing process. Lt; / RTI >

However, although the degreasing agent which is a c1 ^{+ type} solvent can easily remove the cleaning agent such as saccharine oil, the degreasing agent destroys the ozone layer and thus not only acts as an environmental pollutant but also harms the health of the operator.

The present invention has been made in view of the above problems, and it is an object of the present invention to provide a degreasing apparatus for a bearing which can prevent environmental destruction and does not cause any harm to the health of a worker and can easily remove a cleaning agent have.

It is another object of the present invention to provide a degreasing apparatus for a bearing which can remove cleaning agent at low cost.

In order to achieve the above object, a degreasing apparatus for a bearing according to the present invention comprises: an inlet chute for transferring a bearing; an anti-rust oil spraying nozzle for spraying anti-rust oil to remove a cleaning agent from the bearing on the entry chute; A rust preventive oil collecting container for collecting rust preventive oil removed from a cleaning agent attached to a bearing, an anti-rust oil tank for receiving and storing a rust preventive oil collected through the anti-rust oil collecting container through a pipe, A pump for pumping the anti-rust oil spraying nozzle to inject the anti-rust oil onto the bearing, a valve for adjusting the anti-rust oil sublimated by the pump to a predetermined pressure and discharging the rust-preventive oil, filtration means for filtering foreign matter through the anti- A certain number of bearings were removed from the cleaning agent by rust- A bearing transfer means for transferring a predetermined number of the bearings collected by the bearing collecting means; a tilting drum for receiving and degreasing the bearing transferred by the bearing transfer means; And power transmission means for transmitting the driving force of the driving means to the degreasing drum so as to centrifugally rotate the degreasing drum.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a side cross-sectional view schematically showing a degreasing apparatus of a bearing according to an embodiment of the present invention, FIG. 2 is a schematic sectional view of a bearing degreasing apparatus according to an embodiment of the present invention, 3B is a schematic side view of the shutter, and FIG. 4B is a sectional view taken along the line IV-IV in FIG. 2, and FIG. 3A is a schematic cross-sectional view showing a non-operating state of the degreasing apparatus of the bearing according to the embodiment of the present invention, Of the degreasing drum shown in Fig.

As shown in FIGS. 1 to 4, a degreasing apparatus for a bearing according to the present invention is provided with a machine room 2 at a lower portion thereof, and an upper portion of the machine room 2, which includes a control panel 3a, (10) which is an AC servomotor for driving the cleaning drum (3), the main body (4) and the cleaning drum attached to the bearing (5) to be described later and the degreasing drum (8)

The inlet chute 12 disposed in the main body 4 is disposed to pass through the main body 4 to transfer the bearings 5 and 5a and the rinse oil is supplied to the injection chute 12 The rust preventive oil shoe container 16 is sprayed from the rust preventive oil spraying nozzle 14 and dropped together with a cleaning agent such as black oil which is attached to the bearing 5, It is to collect anti-rust oil.

The anticorrosive oil tank 18 is constructed so that the anticorrosive oil injected from the anticorrosive oil injection nozzle 14 is collected in the anticorrosive oil collecting container 16 together with the cleaning agent attached to the bearing 5 and the anticorrosive oil discharged through the piping 16a The pump 20 pumps the rust preventive oil stored in the rust preventive oil tank 18 and the valve 22 constantly controls the pressure of the rust preventive oil pumped by the pump 20, 24 filter the foreign substances contained in the rust-preventive oil discharged from the valve 22.

The bearing collecting means collects the bearings until a certain number of the bearings 5a, from which the cleaning agent such as white hard oil, attached to the bearings 5 are removed by the rust preventive oil sprayed from the rust preventive oil jetting nozzle 14, The bearing collecting means includes a first stopper 26a for controlling the passage of the bearing 5a in which the cleaning agent is replaced by the rust preventive oil and a bearing 5a for mixing the rinsing agent and the anti- And a second stopper 26b for stopping the conveyance of the bearing 5a until the number of the stoppers 26a is reached.

The bearing transfer means 30 transfers a certain number of the bearings 5 collected by the bearing collecting means to the degreasing drum 8 so that the bearing transfer means 30 can be moved vertically A support provided so as to move along the guide rails in the direction of the arrow Q or the opposite direction (up and down direction) and move along the guide rails 32a and 32b in the direction of the arrow P or the opposite direction A rod 34 and clamp members 36a and 36b provided at a predetermined distance from the support rod 34, respectively.

The degreasing drum 8 removes the cleaning agent and the anti-rust oil adhered to the outer ring, the inner ring and the steel ball of the bearing 5a by centrifugal force, and the degreasing drum 8 is shown in detail in FIG. 4 A drum body rod portion 42 integrally connecting the drum bodies 40a and 40b with the drum body 40a and 40b both ends of which are circular in shape and the drum bodies 40a and 40b, And deformation chutes 44 and 46 symmetrically disposed at intervals of 180 degrees from each other along the longitudinal direction of the drum body rod section 42. The drum body 40a and the drum body 40b are disposed in the longitudinal direction of the drum body 40a and 40b, And drum shafts 48a and 48b that are formed to protrude from the drum body 40a and 40b and serve as rotation centers of the drum body rod portion 42. [

The de-oiling chutes 44 and 46 are provided with a plurality of bearings 5a, Shaped deformation preventing grooves 44a and 44b, respectively.

Both ends of the deaerating chute grooves 44a and 44b receive the bearing 5a in which the cleaning agent transferred by the action of the bearing conveying means 30 is replaced by the anti-corrosive oil, So that the bearing 5a, which has been degreased, is discharged.

The drum shafts 48a and 48b formed at both ends of the degreasing drum 8 are rotatably supported by the shaft receivers 50a and 50b and the drum shafts 48a and 48b are provided with driving means A driven pulley 58 is provided to rotate the degreasing drum 8 by receiving the driving force of the driving shaft 10 via the rotary shaft 10a, the driving pulley 54 and the timing belt 56. [ Here, the drive pulley 54 provided on the rotary shaft 10a of the drive means 10, the driven pulley 58 provided on the drum shaft 48b formed at both ends of the degreasing drum 8 and the pulley 54 The timing belt 56 suspended in the power transmission path 58 constitutes a power transmission means.

The opening ends of the bearing receiving grooves 44a and 44b of the deaerating chute grooves 44a and 46a of the deaerating chute 44 and 46 provided in the degreasing drum 8 are separated from each other by centrifugal force (44a) (46a) controlled in accordance with a position sensing signal sensed by a position sensing means (not shown) when the cleaning drum (8) is stopped, while the bearing (5a) Controlled by pneumatic pressure to open the openings formed in the de-dusting chute grooves 44a and 46a so as to receive the defatted bearing 5a conveyed by the bearing conveying means 30, And is opened / closed by the shutters 60a and 60b.

1, reference numeral 66 denotes a drain valve for discharging rust-preventive oil in the tank to the outside when replacing rust-preventive oil stored in the rust-preventive oil tank 18. Reference numeral 7 denotes a drain valve for removing the rust- And is prevented from scattering.

Next, the operation and effects of the thus-configured defatting apparatus for a bearing according to the present invention will be described.

First, a steel ball is assembled between the inner ring and the outer ring of the bearing and then cleaned many times with clean oil such as white oil. When the bearing 5 reaches the position of the anti-rust oil injection nozzle 14 through the entrance chute 12, The rust oil adhering to the inner ring, the outer ring and the steel ball of the bearing 5 is replaced by the rust-preventive oil by the rust-preventive oil sprayed from the rust-preventive oil injection nozzle 14.

It goes without saying that the vibration is applied to the bearing 5 by the ultrasonic vibration means (not shown) in order to easily remove the dirt when the anti-rust oil is sprayed from the rust preventive injection nozzle 14.

The bearing 5a whose cleansing agent is replaced with an anti-corrosive oil is collected until a certain number is obtained by the bearing collecting means consisting of the first and second stoppers 26a and 26b, (Downward direction) of the arrow Q to seat the bearings 5a on the deaerating chute members 44 and 46 by the clamp members 36a and 36b and then move backward in the direction of the arrow Q .

The clamp members 36a and 36b provided on the support rods 34 are guided by the guide rails 32a and 32b and move in the direction of the arrow P to move the clamp members 36a and 36b, (Or 46a) formed in the deaerating chute 44 (or 46) of the degreasing drum 8, and then moved up to the position shown in Fig. 3a do.

The openings formed at both ends of the deicing chute grooves 44a and 46a formed in the deicing chute grooves 44 and 46 are operated by the operation of a cylinder not shown so that the bearing 5a is not released during centrifugal rotation And is closed by the shutters 60a and 60b.

When the bearings are placed in the de-dusting chute grooves 46a and the shutters 60a and 60b close the openings formed at both ends of the de-chute grooves 44a and 46a, the drive means 10 And the rotational force of the driving means 10 is transmitted to the degreasing drum 8 through the rotating shaft 10a, the driving pulley 54, the timing belt 56 and the driven pulley 58 in accordance with the driving of the driving means 10. [ And the cleaning drum and the anti-rust oil adhered to the bearing 5a are degreased by rotating the cleaning drum 8 by the drum shaft 48b.

The degreased bearing is discharged to the next process as it is transferred in the direction of the arrow P of the clamp member 36b when the bearing 5a is transferred to the degreasing drum 8 by the bearing transfer means 30. [

A degreasing drum cover 7 is provided on the outer side of the degreasing drum 8 at the time of degreasing the cleaning agent and the antirusting oil to prevent the detergent and the anticorrosive oil from scattering out of the main body 1, The collected cleaning agent and rust preventive oil are discharged to the rust preventive oil collecting container 16 or the rust preventive oil tank 18 through the unillustrated discharge port.

In the above description, the shutters 60a and 60b are as shown in FIG. 3b. Therefore, when the degreasing drum 8 is stopped at the positions shown in FIGS. 2 and 3, the drum shaft 48a, The deaerated bearing 5a in the deaerating chute grooves 44a and 46a is discharged to the next process by opening the deaerating chute grooves 44a and 46a while rotating in the clockwise direction by 90 degrees about the center axis 48b , The bearing 5a to be degreased can be received in accordance with the operation of the bearing transfer means 30.

On the other hand, when the bearings 5a to be degreased are received in the deicing chute grooves 44a (or 46a), the shutters 60a and 60b are rotated counterclockwise by 90 degrees to the both ends of the deicing chutes 44 and 46 The formed opening is closed so that the bearing 5a housed in the deicing chute groove 44a (or 46a) is not released during centrifugal rotation of the degreasing drum 8. [

In the present invention, in place of using a degreasing agent which is a trichlorethylene type solvent in a degreasing step, at least one of the degreasing chute grooves 44a (46a) formed in the degreasing chute 44 (46) of the degreasing drum 8 The cleaning agent or rust preventive oil is degreased by centrifugal force of the degreasing drum 8 after inserting a large number of bearings 5a so that the health of the operator is not impaired and the ozone layer and the environment are not destroyed, Foreign matter, cleaning agent, anti-rust oil and the like attached to the bearing 5 can be degreased.

The stopping position of the degreasing drum 8 is set such that the deicing chute grooves 44a or the deicing chute grooves 46a formed in the deicing chutes 44 and 46 are linearly aligned with the line of the entering chute 12, It goes without saying that the driving means 10 is controlled by the position detecting means.

As described above, according to the defatting apparatus for a bearing according to the present invention, the trichlorethylene type solvent which is an environmental pollutant for destroying the ozone layer at the time of degreasing is not used. In the cleaning process, the cleaning oil is cleaned with a cleaning agent such as black oil, The cleaner and the anti-rust oil are removed by rotating the cleaning drum and the degreasing drum to remove the detergent and the anti-rust oil, so that the worker's health is not deteriorated and the environment is not destroyed. At the same time, There is a very good effect that can be made.

Claims (10)

An anti-rust oil spraying nozzle for spraying anti-rust oil to remove the cleaning agent from the bearing on the entry chute; an anti-rust oil collecting container for collecting anti-rust oil sprayed from the anti-rust oil spraying nozzle and removing the cleaning agent attached to the bearing; An anti-rust oil tank for receiving the rust-preventive oil collected in the rust-preventive oil collecting container through a pipe and storing the rust-preventive oil, a pump for pumping the rust-preventive oil stored in the rust-preventive oil tank to spray the anti- A filtering means for filtering the foreign substances by receiving the anti-rust oil that has passed through the valve, and an anti-rust oil sprayed from the anti-rust oil spraying nozzle to remove the cleaning agent from the rust- A bearing collecting means for collecting the bearing until it is collected, And a control unit for controlling the driving force of the driving unit to rotate the defatting drum in a centrifugal manner so as to rotate the defatting drum in a centrifugal manner, And a power transmitting means for transmitting the power to the drum. The apparatus of claim 1, wherein the entrance chute is disposed through the main body. [2] The apparatus of claim 1, wherein the bearing collecting means includes a first stopper for controlling whether the cleaning agent is replaced with rust-preventive oil or not, and a second stopper for controlling the passage of the cleaning agent through the first stopper, And a second stopper for controlling the conveyance of the bearing. The bearing device according to claim 1, wherein the bearing transfer means comprises a support rod which is vertically movable and movable in a left-right direction (horizontal direction) along a guide rail, and a clamp member Wherein the bearing is provided with a bearing. The drum washing machine according to claim 1, wherein the degreasing drum comprises a drum body having a circular shape at both ends, a drum body rod unit integrally connecting the drum body, And a drum shaft protruding from the center of both end portions of the drum body and serving as rotation centers of the drum body and the drum body rod portion, . 6. The apparatus of claim 5, wherein the de-oiling chute is adapted to receive a plurality of bearings Wherein the deicing chute groove of the bearing is formed on the outer peripheral surface of the bearing. 7. The bearing according to claim 6, wherein both ends of the deaerating chute groove are open to receive the bearings conveyed by the bearing conveying means and to discharge the degreased bearings by rotation of the degreasing drum Degreasing device. 8. The apparatus of claim 7, wherein the openings formed at both ends of the de-dusting chute groove are closed by a shutter to prevent the bearing from coming off during rotation. The drum washing machine according to claim 1, wherein the power transmitting means comprises: a first driving pulley installed on a rotating shaft of a driving shaft; a second driving pulley installed on a drum shaft formed at both ends of the degreasing drum; And a timing belt for transmitting the driving force of the driving means to the degreasing drum. The degreasing apparatus of claim 1, wherein the degreasing drum is covered with a degreasing drum cover that prevents scattering of a cleaning agent and rust preventive oil during centrifugal rotation.