KR100771648B1 - Valve body orientation apparatus and method thereof - Google Patents

Abstract

The valve body orientation device of the present invention includes a transfer device 10 for transferring the valve body 1 to be supplied to the honing machine 8, and the transfer device 10 to position the valve body 1 in position. And a positioning means 30 provided between the honing machine 8 and the first and second fingers 52, 54, the first finger 52 of the valve of the transfer device 10. The body 1 is loaded onto the positioning means 30 and unclamped, and the second body 54 clamps and unloads the valve body on which the orientation is completed from the positioning means 30 to the honing machine 8. It includes a loader 50 for supplying to the feeder, the transfer device 10, the positioning means 30, and control means (not shown) for controlling the driving of the loader 50. Positioning means 30 is provided with a valve body seating block 36, the insertion groove 32 is inserted into the upper portion, the opening 34 is formed on one side and the block 36, It consists of a rotating disk 38 in contact with the valve body 1 through the opening 34 on one side to rotate the inserted valve body 1 in position, the disk 38 is rotated to By positioning the body 1 in the correct position, the sensing means 40 detects and transmits it to the control unit, which eliminates the orientation error of the valve body and improves workability due to automation, and protects the tools and jigs of the honing machine. Has the effect of becoming.

Description

VALVE BODY ORIENTATION APPARATUS AND METHOD THEREOF

1 is a perspective view showing a general valve body as a work piece,

Figure 2 is a schematic side view showing the configuration of the valve body orientation device according to an embodiment of the present invention,

3 is a schematic plan view showing the configuration of the positioning means of FIG. 2;

4 is a detailed front view illustrating the configuration of the loader of FIG. 2;

5 is an operational flowchart of the valve body orientation device of the present invention.

<Description of the symbols for the main parts of the drawings>

10: transfer device 12: conveyor

14 stopper 16 first detecting means

30: position setting means 32: insertion groove

34: opening 36: seating block

38: rotating disk 40: second sensing means

50: loader 52, 54: first and second fingers

TECHNICAL FIELD The present invention relates to a valve body orientation device and method, and more particularly to an orientation of a valve body and a honing machine for honing a valve body inserted outside of an input shaft in a hydraulic control valve of an automobile. A valve body orientation device and method capable of automatically executing the supply of the present invention.

BACKGROUND In general, a hydraulic power steering system for automobiles is a device for reducing steering power when a driver operates a steering wheel. The hydraulic power steering system is mounted on a passenger car and a large industrial vehicle to facilitate steering wheel operation during parking and driving. It reduces the driver's fatigue and secures steering stability at high speeds.

This hydraulic power steering system is an addition of a hydraulic system for transmitting power to the manual steering system, the hydraulic control valve of the hydraulic system is connected to the input shaft connected to the steering shaft, and penetrates the inside along the longitudinal direction of the input shaft A torsion bar and a valve body fitted to the outer circumference of the input shaft, wherein hydraulic oil moves from a slot formed around the input shaft to a groove formed in the inner diameter of the valve body, It is a well-known fact that changes should be gentle to reduce steering heterogeneity.

Therefore, the valve body is a honing process that precisely polishes the inner surface of the hole while inserting a radially horn attached to the end of the support rod into the hole, and simultaneously rotating and axially moving it. Run

Figure 1 shows a conventional valve body, the valve body 1 is provided with a seal groove (2) circumferentially provided with four seals (4) on the outer diameter portion, the lower end portion for positioning The groove 3 is processed.

In order to perform the honing processing of the valve body, in the past, the operator confirmed the position of the positioning groove of the valve body and then supplied the valve body to the honing machine, thus requiring a long working time and requiring a fixed operator. If not, the tool and the jig of the honing machine may be damaged, thereby reducing the operation rate of the equipment.

Accordingly, the present invention has been devised accordingly, and an object thereof is to provide a valve body orientation capable of automatically executing the orientation of the valve body and the supply to the honing machine for honing the valve body inserted outside the input shaft. It is to provide an apparatus and method.

As a means for achieving this object, the valve body orientation device supplied to the honing machine according to the present invention includes a transfer device for supplying the valve body, and the transfer device and the honing machine to position the valve body in place. And a positioning means provided between the first and second fingers, and unclamping by loading the valve body of the transfer apparatus into the positioning means with a first finger, and the orientation from the positioning means with the second finger. And a loader for clamping and unloading the completed valve body to supply the honing machine, the transfer device, the positioning means, and control means for controlling the driving of the loader.

In addition, in the valve body orientation method according to the present invention, the valve body is supplied to a stopper installed at the valve body supply position through a conveyor, and a detection signal of the first sensing means sensing the supply of the valve body is transmitted to the controller. In accordance with a signal from the control unit, the loader lowering, clamping the valve body with the first finger of the loader, moving the autoloader to an orientation position and loading it into a positioning means; And, performing an orientation of the valve body loaded in the positioning means, transmitting a detection signal of a second detection signal to the controller that the orientation is completed, and, according to the signal of the controller, advancing the slide cylinder. Changing the finger position according to the above, and the loader is lowered to A second finger clamping and unloading the valve body on which the transfer is completed, changing the finger position according to the reverse operation of the slide cylinder, and then lowering the loader again, the first finger being the positioning means; Loading and unclamping the valve body.

According to the present invention, the orientation error of the valve body is eliminated, workability due to automation is improved, and the tool and the jig of the honing machine are protected.

Hereinafter, with reference to the accompanying drawings will be described in detail a valve body orientation device according to an embodiment of the present invention.                     

Figure 2 is a schematic side view showing the configuration of the valve body orientation device supplied to the honing machine according to an embodiment of the present invention, Figure 3 is a schematic plan view showing the configuration of the positioning means of Figure 2, Figure 4 is It is a schematic front view which shows the structure of the loader. As shown, the valve body orientation device of the present invention is a transfer device 10 for transferring the valve body (1) to be supplied to the honing machine (8), and to position the valve body (1) in position Positioning means 30 provided between the transfer device 10 and the honing machine 8, and first and second fingers 52, 54, the first finger 52, the transfer device The valve body 1 of (10) is loaded and unclamped by the positioning means 30, and the second finger 54 clamps and unloads the completed valve body from the positioning means 30. A loader (50) for supplying the honing machine (8), the transfer device (10), the positioning means (30), and control means (not shown) for controlling the driving of the loader (50). do.

As shown in FIG. 3, when the valve body 1 to be supplied to the honing machine 8 is transferred through the conveyor 12, the stopper 14 is installed at the valve body supply position of the conveyor 12. ) Is lowered, the first sensing means 16 detects whether the valve body 1 is located at the valve body supply position, and transmits the detection signal to the controller (not shown).

On the other hand, the positioning means 30 is a valve body seating block 36 and the block 36 is provided with an insertion groove 32 in which the valve body 1 is inserted, the opening 34 is formed on one side. When the valve body 1 is inserted into the opening 34 of the rotating body, the rotating disk which contacts the valve body 1 through the opening 34 on one side to rotate the valve body 1 and to be positioned in the correct position. 38), a second means for detecting whether the valve body 1 is in the correct position by the rotation means of driving the rotating disk 38 and the rotating disk 38, Means 40.

2 and 4 again, the loader 50 has first and second fingers 52 and 54 for clamping and unclamping the valve body 1, and under control of a control unit (not shown). Accordingly, it is installed in the frame so as to be movable back and forth and up and down. The loader 50 also changes the orientation of the first and second fingers 52, 54, and is preferably rotatable 90 degrees.

The valve body orientation device of the present invention configured as described above is operated as follows, as shown in FIG.

When the valve body 1 to be supplied to the honing machine 8 is transferred through the conveyor 12, the stopper 14 installed at the valve body supply position is lowered to stop the valve body (step S1). Then, the detection signal of the first sensing means 16 that detects this is transmitted to the control unit (not shown) (step S2), and the loader 50 descends (step S3) according to the signal of the control unit. The valve body 1 is clamped with one finger 52 (step S4), raised (step S5), and then moved to the orientation position (step S6).

Subsequently, the loader 50 changes the position of the first and second fingers (step S7), and then the loader 40 descends (step S8) to remove the valve body whose orientation is completed by the positioning means 30. The two fingers 54 clamp (step S9) and ascend (step S10).

Further, after the loader 50 changes the first and second finger positions (step S11), the loader 50 is lowered again (step S12), and the first finger 52 is positioned by the positioning means 30. The valve body 1 is loaded and unclamped (step S13).

Again, the loader 50 is raised (step S14), and then turned 90 ° (step S15), moves to the fastening position of the honing machine 8 (step S16), and the valve where the honing is completed with the first finger 52 is completed. Clamp the body (step S17).

Subsequently, the loader 50 is transferred out of the rotation radius (step S18), and then the loader 50 changes the first and second finger positions (step S19), and the loader 40 moves the honing machine 8. Move to the fastening position (step S20), and unclamp the valve body whose orientation has been clamped to the second finger 54 (step S21).

Thereafter, the loader 50 moves to the finished product discharge conveyor (step S22), descends (step S23), and then unclamps the honing completed valve body clamped to the first finger 52 (step S24) by one cycle. Your work is done.

Although the valve body orientation device of the present invention has been described as one conveyor 12, it is preferable that two rows of conveyors 12 are arranged side by side, and for this purpose, the valve body supply position in each conveyor 12 is provided. Since should be located next to each other, it is preferable that the stoppers 14 installed on each conveyor are also lowered sequentially.

As described above, the valve body orientation device and method of the present invention eliminate the orientation error of the valve body, improve workability due to automation, and protect the tools and jigs of the honing machine.

The valve body orientation apparatus and method according to the present invention as described above is just one embodiment, and the present invention is not limited to the above-described embodiment, and as claimed in the following claims, the present invention Without departing from the gist of the present invention, one of ordinary skill in the art should be considered to be included in the technical spirit of the present invention to the extent that changes or modifications can be made.

Claims (4)

In the valve body orientation device supplied to the honing machine (8), A transfer device 10 for supplying the valve body 1, Positioning means (30) provided between the conveying device (10) and the honing machine (8) to position the valve body (1) in the correct position; First and second fingers 52 and 54 are provided, and the first finger 52 is used to load and unclamp the valve body 1 of the transfer device 10 to the positioning means 30, and A loader (50) for clamping and unloading the valve body (1) having completed orientation from the positioning means (30) with two fingers (54) and supplying it to the honing machine (8); And a transfer means (10), said positioning means (30) and control means for controlling the drive of said loader (50). The method of claim 1, The transfer device 10 includes a conveyor 12 to which the valve body 1 to be supplied to the honing machine 8 is transferred, a stopper 14 installed at the valve body supply position of the conveyor 12, Valve body orientation device, characterized in that the first sensing means (16) for detecting whether the valve body (1) is located on the stopper (14). The method of claim 1, The positioning means 30 has a valve body seating block 36, the insertion groove 32 is inserted into the valve body 1 is inserted in the upper portion, the opening 34 is formed on one side; A rotating disk 38 which rotates the valve body 1 seated in the block 36 so that the valve body 1 is positioned in place when inserted into the opening 34 of the block 36; Drive means for driving the rotating disk 38; A valve body orientation device comprising a second sensing means (40) for detecting whether the valve body (1) is in position. In the valve body orientation method, Supplying the valve body 1 through the conveyor 12 to the stopper 14 installed at the valve body supply position; Transmitting a detection signal of the first detection means 16 that detects the supply of the valve body 1 to a controller; The loader 50 descends according to the signal of the controller; Clamping the valve body 1 with the first finger 52 of the loader 50, The loader 50 moves to an orientation position and loads the position setting means 30; Orienting the valve body 1 loaded in the positioning means 30; Transmitting a detection signal of a second detection signal to the controller that the orientation is completed; Changing a finger position according to a forward operation of the sled cylinder according to a signal of the controller; The loader 50 lowers and clamps and unloads the valve body 1 in which the orientation is completed by the positioning means 30 by the second finger 54; After changing the finger position according to the backward operation of the slide cylinder, the loader 50 is lowered again, and the first finger 52 loads the valve body 1 into the positioning means 30. And unclamping the valve body.

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