KR100879345B1 - Grinding stone dressing apparatus - Google Patents

Abstract

The present invention relates to a grinding wheel processing apparatus capable of processing the surface of the grinding wheel according to the shape in order to process the edge portion of the roll installed in the rolling mill for producing a strip, the characteristic configuration of the fixed beam (1) The processing means 10 for processing the surface of the grindstone 5, which is supported by the support beam 4 moved while being screwed to the screw shaft 3 installed on the torque motor 2 on the front surface thereof, A guide means 20 for guiding the processing means 10, a moving means 30 for moving the processing means 10, an induction means 40 for guiding the moving means 30 along a moving path, and It is composed of dust removal means 50 for removing dust generated in the grindstone (5).

Grinding stones, edge processing, dressers, guide members, collecting tubes

Description

Grinding Stone Dressing Apparatus {Grinding stone dressing apparatus}

1 is a schematic view showing an installation state of a roll installed in a typical rolling equipment.

Figure 2 is a perspective view showing a grindstone processing apparatus according to the present invention.

Figure 3 is an exploded perspective view showing the processing means and the guide means of the grinding wheel processing apparatus according to the present invention.

Figure 4 is a perspective view showing a moving means and guide means of the grinding wheel processing apparatus according to the present invention.

Figure 5 is a schematic diagram for explaining the induction direction of the guide means of the grinding wheel processing apparatus according to the present invention.

Figure 6 is a perspective view showing the dust removal means of the grinding wheel processing apparatus according to the present invention.

※ Explanation of symbols about main part of drawing ※

1: fixed beam 4: support beam

5: grindstone 10: processing means

11: dresser 11a: machining tips

11b: clamp groove 12: bracket

13: Rotating Motor 14: Bevel Gear

15: support shaft 16: pinion                 

17: spring 20: guide means

21: plate 22: rack gear

23: cover 26: the first cylinder

30: moving means 31: base

32: hinge 33: induction cylinder

34: guide roll 35: housing

36: clamp moving cylinder 38: clamp

40: guide means 41: support motor

42: guide box 43: guide groove

43: guide groove 44: moving groove

45: guide roll 46: second cylinder

50: dust removal means 51: collection pipe

52: suction pipe 53: third cylinder

54: suction motor

The present invention relates to a grindstone processing apparatus, and more particularly, to a grindstone processing apparatus capable of processing the surface of the grindstone according to the shape in order to process the edge portion of the roll provided in the rolling mill for producing a strip into various shapes.                         

In general, when the slab produced in the playing process is produced in a strip having a predetermined width and thickness, a plurality of rolling mills pass through the rolling mill, and the rolling mill for rolling the strip has a work roll contacting the script S as shown in FIG. 100 and the idle roll 101 rotated in contact with the upper and lower surfaces of the work roll 100 and the backup roll 102 rotated in contact with the upper and lower surfaces of the idle roll 101. Each of these is installed.

The edge portion of each roll installed in the rolling mill is processed into different shapes in order to minimize defects occurring at the edge portion when the roll and the roll contact. The edge portion of the work roll 100 is processed into an arc shape, the edge portion of the idle roll 101 is processed to have a left and right taper, and the edge portion of the backup roll 102 is processed into a curved shape.

When producing the strip (S) is cut and rolled the steel sheet produced in the hot rolling mill in various dimensions, as shown in Figure 1, a plurality of rolls are installed and the work roll is rotated in contact with the strip (S) ( By varying the rotation of the backup roll 102 and the idle roll 101 provided between the work roll 100 and the backup roll 102 to impart a pressing force to the work roll 100 and the work roll 100. The strip S having is produced.

When producing the strip (S) with the rolling mill as described above, because each roll is rotated in an engaged state, the dimensions of the rolls are generated by the edges of the different rolls and the defects are transferred to the work roll 100. It was the cause of generating quality bonds on the surface of the strip (S).

The roll edges are processed into different shapes as described above because the rolls have different crown generation and roll replacement tonnage.

In order to process the roll edge part as described above, the surface of the grindstone should be processed according to the shape to be processed. In the related art, the grindstone processing time is increased because the dresser for processing the grindstone surface is fixed to a facility and processed while moving the grindstone. There was a problem such that the roughness of the grindstone surface was not smooth and caused a roll defect when the roll was touched.

The present invention has been invented to solve the above problems, the object of which is to reduce the processing time of the grindstone by moving the dresser for processing the surface of the grindstone for polishing the edge of each roll installed in the rolling mill according to the processing shape of the grindstone. Of course, to provide a grinding wheel processing apparatus that can maintain a constant surface shape of the grinding wheel.

Referring to the characteristic configuration of the present invention for achieving the above object is as follows.

The grindstone processing apparatus of the present invention

Processing means comprising a dresser supported by a bracket, a rotating motor installed on an upper surface of the bracket to rotate the dresser, and a support shaft that is pinched at both ends of the bracket and formed at both ends thereof; Guide means including a pair of plates formed on an upper surface of a rack gear gear-coupled to the pinion and a cover provided on an upper portion of the rack gear; A support motor installed on one side of the moving means comprising a housing provided with a clamp for fixing the dresser, an induction cylinder installed on an upper portion of the housing, a base installed so that the induction cylinder is rotatable, and the support motor; It is installed on the outer circumferential surface of the upper surface is formed with an induction groove, the front is to include a configuration consisting of the guide means consisting of a guide box formed with a moving groove.

Referring to the present invention having such characteristics in detail as follows.

Figure 2 is a perspective view showing a grindstone processing apparatus according to the present invention, the present invention is a support beam (4) which is moved in the state screwed to the screw shaft (3) installed on the torque motor (2) on the front of the fixed beam (1) As supported by), the processing means 10 for processing the surface of the grindstone 5, the guide means 20 for guiding the processing means 10, and the moving means for moving the processing means 10. 30, the induction means 40 for guiding the moving means 30 along the movement route, and the dust removal means 50 for removing the dust generated from the grindstone 5.

Hereinafter, with reference to the accompanying drawings showing each part will be described in detail.

3 is an exploded perspective view showing the processing means and the guide means of the grinding wheel processing apparatus according to the present invention.

As referred to herein, the processing means 10 is provided with a dresser 11 rotatably installed at a lower portion of the bracket 12, and a process for processing the surface of the grindstone 5 at one end of the dresser 11. The tip 11a is attached, and the clamp groove 11b is formed in the other front end part.

A rotating motor 13 is installed on the upper surface of the bracket 12, and a bevel gear 14 for transmitting a rotating force generated by the rotating motor 13 to the dresser 11 on the rotating shaft of the rotating motor 13. ) Is installed, the support shaft 15 is inserted into the bracket 12, the spring 17 is provided between the engaging projection (15a) formed on the support shaft 15 and the bracket 12 It is elastically installed, and a washer 18 may be further provided between the spring 17 and the bracket 12 to prevent the spring 17 from being separated.

Pinions 16 are formed at both ends of the support shaft 15, and the pinions 16 protrude out of the bracket 12.

On the other hand, the guide means 20 is provided with a pair of plates 21 via a first cylinder 26 provided on the support beam 4, the pinion 16 is formed on the upper surface of the plate 21 Rack gears 22 are geared to each other is formed, the upper portion of the rack gear 22 is provided with a cover 23 for preventing the pinion 16 from being separated through the fixing bolt 24. . And the inside of the plate 21 may be further provided with a stopper 25 for controlling the movement amount of the processing means (10).

Figure 4 is a perspective view showing the moving means and the guide means of the grinding wheel processing apparatus according to the present invention.

As referred to herein, the moving means 30 has a hinge 32 formed on the upper surface of the base 31, and the guide cylinder 33 is rotatably installed on the hinge 32, and the guide cylinder ( A guide roll 34 is provided at the rod end portion 33.

And the housing 35 is installed on the bottom surface of the induction cylinder 33, the moving roll 37 and the moving cylinder 36 is embedded in the housing 35, the moving roll 37 The clamp 38 for clamping the dresser 11 is provided, and the clamp spring 39 for improving the clamping force is provided on the upper surface of the clamp 38.

On the other hand, the guide means 40 is provided with a support motor 41 via a second cylinder 46 provided at one end of the support beam 4, the guide box 42 on the outer peripheral surface of the support motor 41 Is installed, the guide box 42 is formed on the upper surface of the guide grooves (34) for moving the guide rolls 34, the front surface of the guide grooves (43) are penetrated and the housing (35) is inserted Moving grooves 44 are formed. In addition, a plurality of guide rolls 45 are rotatably installed at both upper sides of the guide groove 43 so that the guide rolls 34 can be smoothly moved.

The guide means 40 is for controlling the processing shape of the grindstone 5 by adjusting the movement direction of the dresser 11 according to the shape of the guide groove 43 formed in the guide box 42, the guide groove ( A plurality of induction means 40 having different shapes of 43 are provided at equal intervals on the outer circumferential surface of the support motor 41.

5 is a schematic view for explaining the guide direction of the guide means of the grinding wheel processing apparatus according to the present invention, the guide means for moving the dresser 11 in an arc shape in order to process the edge portion of the work roll 100 in an arc shape ( 40) and the guide means 40 for moving the dresser at a predetermined inclination angle to incline the edge portion of the idle roll 101 and the dresser in a curved shape to process the edge portion of the backup roll 102 into a curved shape. To guide means 40 are respectively installed.                     

The dust removing means 50 may be further provided as shown in FIG. 6 to collect dust generated when the grindstone 5 is processed by the dresser 11.

The dust removing means 50 is provided with a collecting tube 51 in the fixed beam (1), one end of the suction tube 52 is installed at the tip of the collecting tube 51, the other end of the suction tube 52 The third cylinder 53 for moving the edge part of the suction pipe 52 is provided in this.

In addition, a suction motor 54 for generating a suction force is installed inside the collection pipe 51, and the suction motor 54 is kept in a state of being blocked from the outside by the blocking plate 55. In front of the 54, a collecting bucket 56 for collecting dust is embedded, and the collecting bucket 56 is detachably coupled to the door 57 by opening and closing the collecting bucket 56.

Referring to the operating state of the present invention configured as described in detail as follows.

First, when the grinding wheel 5 is to be processed, the grinding wheel 5 is used to select the type of roll to be polished, and then the induction means 40 having the induction groove 43 matching the shape of the edge of the roll is formed. Rotate the support motor 41 to move to the front.

In this state, when the moving cylinder 36 is operated, the moving roll 37 installed at the distal end thereof is moved inside the housing 35, and at the same time, the clamp 38 installed at the moving roll 37 moves to the clamp 38. ) Is inserted into the clamp groove 11b formed in the dresser 11 to clamp the dresser 11, wherein the clamp 38 is to be firmly clamped by the restoring force of the clamp spring (39).                     

When the guide cylinder 33 is operated in this state, the guide roll 34 installed at the tip of the guide cylinder 33 is moved while being guided by the guide roll 45 installed in the guide groove 43. The housing 35 installed in the) is moved together along the moving groove 44. At this time, the housing is moved in the same path as the shape of the guide groove (43).

On the other hand, when operating the induction cylinder 33 is to operate the rotary motor 13 of the processing means 10, the rotational force generated in the rotary motor 13 is a dresser 11 through the bevel gear (14) Will be rotated. At this time, as the induction cylinder 33 is operated, the dresser 11 is moved together while being clamped to the clamp 38.

When the dresser 11 is moved, the pinion 16 at both ends of the support shaft 15 installed on the bracket 12 is rotated while being geared to the rack gear 22 installed on the upper surface of the plate 21. The right flow is to be moved in a prevented state, the dresser 11 and the bracket 12 is moved along with the clamp 38 is moved in accordance with the shape of the guide groove 43, guide the surface of the grindstone (5) guide groove (43) is to be processed in the same manner as the shape.

In addition, when the dresser 11 contacts the stopper 25 installed on the plate 21, the induction cylinder 33 is operated in the reverse direction and is repeatedly moved left / right.

On the other hand, when adjusting the processing depth of the grindstone (5) by operating the torque motor 2, the support shaft (4) is moved while the screw shaft (3) is rotated so that the dresser (11) and the grindstone (5) This is possible by adjusting the interval.

As described above, when the grindstone 5 is processed, dust is generated. Thus, when the third cylinder 53 is operated, the tip of the suction pipe 52 is approached to the grindstone 5 and the suction motor 54 is collected. Since suction force is generated in the inside of the pipe 51 and the suction pipe 52, the dust generated by processing the grindstone 5 is collected in the collecting bucket 56 installed inside the collecting pipe 51 through the suction pipe 52. To be captured.

And when a large amount of dust is collected in the collecting bucket 56 is to open the door 57 and to replace the collecting bucket 56.

As such, the present invention is to quickly and easily process the surface of the grindstone to process the edges of the work roll, idle roll, and backup roll into different shapes in order to minimize the introduction of the strip during the rolling operation and the roll defect when contacting the roll. There is a unique effect that can prevent quality defects in advance.

Claims (3)

A dresser 11 supported by the bracket 12, a rotary motor 13 mounted on the upper surface of the bracket 12 to rotate the dresser 11, and both ends of the bracket 12 are disposed inside the bracket 12. Processing means (10) consisting of a support shaft (15) formed with a pinion (16); Guide means (20) consisting of a pair of plates (21) formed on an upper surface of a rack gear (22) gear-coupled to the pinion (16) and a cover (23) provided on the rack gear (22); A housing (35) provided with a clamp (38) for fixing the dresser (11), an induction cylinder (33) provided on an upper portion of the housing (35), and a base (31) provided such that the induction cylinder (33) is rotatable. And a vehicle consisting of 30 and The support motor 41 is installed on one side of the moving means 30, and is installed on the outer circumferential surface of the support motor 41, the guide groove 43 is formed on the upper surface, the moving groove 44 is formed on the front Grinding stone processing apparatus characterized in that it comprises a configuration consisting of a guide means (40) consisting of a guide box (42). The grinding wheel processing apparatus according to claim 1, wherein a plurality of guide means (40) having guide grooves (43) having different shapes are installed on the outer circumferential surface of the support motor (41) at equal intervals. The suction pipe 52 of claim 1, wherein an upper end of the processing means 10 includes a collecting tube 51, one end of which is connected to a tip of the collecting tube 51, and the other end of which is connected to a third cylinder 53. , The grindstone processing apparatus, characterized in that the dust removal means 50 is provided with a suction motor 54 for generating a suction force in the collection tube (51).

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