JPS58193749A - Automatic centrifugal deoiler - Google Patents

Abstract

PURPOSE:To provide a deoiler which is made easily adaptable to various kinds of annular bodies, by providing a rotary chute contg. a material to be deoiled in the symmetrical position of a main shaft, and providing a means for closing the inlet of the rotary chute and a means for positioning a rotary chute holder. CONSTITUTION:A material 11 to be deoiled is contained in a rotary chute 54 disposed in the symmetrical position of a mian shaft 3. An ingate 30 is turned to close the inlet passage of the chute 54 with the vane part of the gate 30; at the same time, a piston rod 44 of a positioning cylinder 45 is moved upward to position a rotary chute holder 5 by means of a limit switch 46. When the shaft 3 is rotated at a high speed, the material 11 contained in the chute 54 rotates around the axial centerline of the shaft 3 and the oil stuck on the material 11 is scattered and removed by centrifugal force. The removed oil passes through the oil discharge hole 52 provided in the outside frame of the holder 5 and arrives at the inside wall of a protective cover 6, from which the oil is discharged through an oil discharge port 26.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic centrifugal oil removal device jIILK that automatically and continuously removes oil deposited when processing or cleaning annular bodies such as bearings.

BACKGROUND ART Conventionally, squirrel cage centrifuges have been known and used as devices for removing moisture or oil adhering to mechanical parts and the like. However, common squirrel cage centrifuges have the disadvantage that they cannot be used for oil removal or waste removal. In addition, in Sho 53-38464, a spiral-shaped storage gutter having an oil drain hole on the outer surface is provided in order to store and deoil the product to be deoiled in a mounting member provided on the main shaft, and this storage gutter A centrifugal deoiling machine has been disclosed that is equipped with a stop device for stopping the deoiling after completion of deoiling, and a discharge device for deoiled products at the lower part of a storage gutter for discharging the deoiled products. This centrifugal deoiling machine is automated, but since it uses a spiral-shaped containment gutter, the device is inevitably large, and the spiral-shaped containment gutter cannot be easily replaced at a cost, so the size is It has the disadvantage that it cannot be applied to deoiling several annular bodies with different shapes.

The present invention is intended to solve the above-mentioned drawbacks, and includes a pedestal, a main shaft whose both ends are supported by bearings on the mount, and which is rotatably driven by an electric motor, and a rectangular shape at a symmetrical position with respect to the axis of the main shaft. (b) a rotary chute having two cross-sectional mounting holes and a large number of nine oil drainage holes provided on the outer surface of the mounting holes, and accommodating an oil circulation object attached to the main shaft; A gate provided at both ends of the rotary chute holder and rotatable relative to the main shaft to open and close the end entrance/exit passage of the rotary chute, and a positioning stop mechanism for stopping rotation of the rotary chute holder at a fixed position. Therefore, it is possible to obtain a high-efficiency automatic centrifugal deoiling device that has a compact design structure, enables high-speed rotation by downsizing the rotating body, has versatility that can be easily applied to annular bodies of different sizes and shapes, and has high efficiency. With the goal.

An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, l is a pedestal having a mounting surface 2 inclined #4 with respect to the floor surface, 3 is a main shaft provided on the upper blade of the pedestal l,
4 is a main motor provided below the mounting surface 20 of the frame for driving the main shaft 3, and 5 is a main shaft KJli! The attached co-rotating chute holder 6 is a protection cover attached to the mounting surface 2 of the pedestal. It has been preserved, and on the top of the protective cover 6 is the right 31! An in-gate cylinder 9 is attached to the left end, and an out-gate cylinder 10 is attached to the left end. 11 is a substance to be oil-removed.

Both ends S of the main @3 are mounted on two bearing brackets 12.13 fixed on the mounting surface 2 of the pedestal l.
It is supported by 5. The main electric motor @4 is connected to a main clutch device M16K, and a pulley 17 provided on the main clutch device 16 and a pulley 18 provided on the main shaft 3K are connected by a belt 19. The brake equipment [20 is the frame lK] is in contact with the pulley 17KliI of the main clutch device 16.
I@ is attached, and the brake device is activated at the same time when the main clutch device 16 is turned off to apply braking to the II surface of the pulley 17 of the main clutch device 1b and stop the rotation of the main shaft 3. It is. The end of the discharge chute 8@ of the main +113 is connected to an auxiliary clutch device 21, and an auxiliary electric device is provided below the auxiliary clutch device 21, and the auxiliary clutch device 21 and the auxiliary electric motor 22
A mount IKrM is installed. The gourd provided in the auxiliary clutch device 21 and the goo y2 provided in the auxiliary electric motor
4 is a belt. As shown in FIG. 2, the supply chute 7 and the discharge chute 8 are arranged parallel to each other in two rows at a constant interval on the pedestal l. A fixed stopper pin 27 is attached to the end of the protective cover 6911 of each supply chute 7.
is provided.

In Fig. 3, both ends of the rotary chute holder 5 are attached to two support members (A and 4) fixed to the main shaft 3, and the outside of the support members (A and 4) is in-gate and out-goo (31). Therefore, the in-gate and out-gate 31 are loosely connected to the main shaft 3. A mainspring spring 32 is provided between each support member (4) and an ingate (or outboard) 31, respectively. Rotating chute holder 50 both ends outside li! When the piston rods A and 39, which are respectively provided in the in-gate holder U and the ARA 9 and the out-gate cylinder IOK in the d part, move 1 and descend, the ends 40 and 41 of each piston rod 39
is in contact with each roller 37, so that the in-gate (9) and out-gate 31 rotate relative to the main shaft 3. A positioning stop mechanism 42 is provided near the bearing bracket 12 of the supply chute 7i141I. 42 is a positioning desk 43 attached to the main shaft 3 and a piston rod 44 that operates in the vertical direction.
The positioning cylinder 45 has a positioning cylinder 45 having an upper part Kf! of the bearing bracket 12. j has been established. Reference numerals 46 and 47 indicate limit switches for confirming the ascending end position and descending position of the piston rod when the piston rod 44 of the positioning cylinder is activated. As shown in FIG. 4, the positioning desk 43 has cutout grooves 48 formed at two symmetrical positions on the outer circumferential surface, and the end hK of the positioning cylinder 45, which faces the piston rod, is located in the notch groove 48 of the positioning disk 43. A wedge-shaped positioning stop 49 is provided which can be fitted into the.

As shown in FIG. 5, the rotary chute; the torder 5 is thin, and a large number of oil drain holes 52 are bored on the left and right sides between the outer frame, and the upper and lower surfaces of the outer frame (3) and the inner 111j plate 51 % is fixed to the support member 29. Two mounting holes 53 with a rectangular cross section formed between the outer frame and the inner plate 51 are located symmetrically with respect to the axis of the main shaft 3, and each mounting hole 53 has a U-shaped cross section. A rotary chute 54 and an adjustment plate 55 are each inserted. The rotary chute 54 and the V4 adjustment plate 55 are removably attached to the inner plate 51 of the rotary chute holder ((
It is installed, and depending on the size and shape of the object to be oiled 110,
The rotary chute 54 and adjustment plate 55 that match the object 11 to be oiled can be removed and replaced.

As shown in FIG. 6, the outgate 31 has two blades 56 on the outer periphery, and when the outgate 31 rotates with respect to the main shaft 3, the blades 56 are attached to the stopper 57Ka, which is bent by the outgate holder 35KH. When in contact, the outlet passage of the rotary chute 54 is opened and closed by the vane portion 56. The ingate is formed in the same manner as 31.

To explain the operation of the device of the present invention configured as above 5, first, while the lower end position of the piston rod 44 of the positioning cylinder 45 is confirmed by the limit switch 47, the piston of the ingate cylinder 9 is The rod A operates and begins to descend, and the piston rod A - part 4
The ingate 0 descends while contacting a roller provided on the ingate 30, and the ingate rotates relative to the main shaft 3. The passage between the supply chute 7 and the single-turn chute 54 is communicated at the lower I4 end of the piston rod of the in-gate cylinder, and the fixed stopper pin n provided on the supply chute 7 operates to stop the cover inside the supply chute 7. The holding of the deoiled product 11 is released, and a predetermined number of the deoiled products 11 are transferred from the supply chute 7 to the rotary chute 54 and housed in the rotary chute 7 . Next, the piston rod of the ingate cylinder rises, and the inlet passage of the rotary chute 540 is closed by the vane of the ingate I at the end provided between the ingate cylinder 30 and the support member row, and at the same time the positioning The piston rod 44 of the cylinder 45 begins to rise. When the rising end of the piston rod 44 of the positioning cylinder is confirmed by the limit switch 46, the main clutch device 16 is turned on, and the main shaft 3 is driven to rotate at high speed by the main motor 4 via the belt 19.
Due to the high speed rotation K, the object 11 to be oil-removed housed in the rotary chute 54 rotates around the axis of the main @3, and the oil adhering to the object 11 to be oil-removed is moved by centrifugal force. It is scattered and removed from the object 11 to be oiled.

The oil removed from the object 11 to be oiled passes through the oil drain hole 52 provided in the outer frame 50 of the rotary chute holder and reaches the inner wall of the protective cover 6! The oil is then drained from the oil drain port. Next, when the main shaft 3 rotates for a preset period of time, the main clutch device 16 is automatically turned off, and at the same time, the brake device is turned on for a few seconds, and the pulley 17 installed on the main clutch device [16] is automatically turned off. The side surface is braked by the brake device 20, the rotation of the main shaft 3 is stopped, the auxiliary electric motor n is activated, and at the same time, the piston rod 44 of the positioning cylinder is activated and begins to descend. When the auxiliary electric motor 4 is started, the main e3 is driven to rotate at a low speed via the belt 6, and the end of the piston rod of the positioning cylinder is inserted into a notch provided on the outer periphery of the positioning desk 43 that rotates together with the main shaft 3. When the positioning stopper 49 provided in the section is inserted, the lowering end of the piston rod 44 of the positioning cylinder is confirmed by the limit switch 47, the auxiliary clutch device 21 is turned off, the rotation of the main shaft 30 is stopped, and at the same time, the auxiliary electric equipment stops driving. At the same time, the piston rod of the outgate cylinder 10 operates and starts to descend. The end 41 of the piston rod 39 of the outgate cylinder descends while coming into contact with the row 237 provided on the outgate 31, and the armature 31 rotates with respect to the main shaft 3. When the object 11 to be deoiled stored in the rotary chute 54 is transferred to the discharge chute 8, the piston rod 39 of the outgate cylinder has risen, and Aratogame) 31
is rotated by the action of a mainspring spring provided between the outgate 31 and the support member 4. At the rising end of the piston rod 39 of the outgate cylinder, the outlet passage of the rotary chute 54 is closed off by the vane 56 of the outgate 31.

Next, the piston rod of the in-gate cylinder begins to descend, and the following operations are repeated.

The automatic centrifugal deoiling device of the present invention described above includes a main shaft whose both ends are supported by bearings on a pedestal and which is rotationally driven by an electric motor;
A rotary chute holder having two mounting holes with an RK'm-shaped cross section located symmetrically on the ring edge of the main shaft and attached to the main shaft;
The rotary chute holder is provided with a gate that is rotatable with respect to the main shaft and opens and closes the end entrance/exit passage of the rotary chute, and a positioning stop mechanism that stops the rotation of the rotary chute holder at a fixed position. It has become possible to reduce the rotation radius of the rotary chute that accommodates the deoiled material, making the rotating part more compact and capable of high-speed rotation, resulting in high efficiency and low power consumption, as well as a rotating chute holder. Since it is easy to replace the rotating chute and hook straightening plate inserted in the holder, it is possible to easily apply the method even when the shape of the annular object to be oiled is different. .

[BRIEF DESCRIPTION OF THE DRAWINGS] The drawings show an embodiment of the automatic centrifugal deoiling device of the present invention, and FIG. 1 is a longitudinal sectional view of the device, and FIG.
A plan view of the main parts as seen in the direction of the arrow, an enlarged sectional view of the main parts along line H-B, FIG. 5 is an enlarged sectional view of the main parts along line C-C in FIG. 3, and FIG. This is an enlarged sectional view of main parts taken along the D-D line. 1... Frame, 3... Main shaft, 1... Main motor, 5... Rotating chute holder. , 11... Oil to be removed, 14.15.
...Bearing, n...Auxiliary motor, I...
... In gate, 31 ... Out gate, 4
2...Positioning and stopping mechanism, 52...Drain hole, 53...Mounting hole 54...Rotating chute Applicant: NSK Co., Ltd. 5 Ill Figure 6

Claims (1)

[Claims] (11 pedestal, both end faces are supported by bearings on this pedestal,
There is a main shaft that is rotatably driven by an electric motor, two mounting holes with a rectangular cross section located symmetrically with the main shaft axis, and a large number of oil drain holes drilled outside the mounting holes. has
A rotary chute holder attached to the main shaft, a rotary chute detachably attached to each of the mounting holes of the rotary chute holder and accommodating a plurality of objects to be deoiled, and an inner end portion of the rotary chute holder. and a gate that is rotatable with respect to the main shaft and that closes the end entrance/exit passage of the rotary chute, and a stop mechanism that stops the rotation of the g1 rotation chute holder in the normal position. Automatic centrifugal deoiling equipment.