JPH05177433A - Face cutting device for ingot - Google Patents

Abstract

PURPOSE:To prevent the influence of the high temperature of an ingot in cutting the corner part of it when it is continuously traveling, surely displace a cutting edge following the snaking of the ingot with a simple structure, and regularly uniformly face-cut the ingot. CONSTITUTION:A tool rest 16 for holding cutting edges 14, 14' is supported by vertical guide rollers 34, 34' engaged with vertical rails 32, 32' and horizontal guide rollers 46, 46' engaged with horizontal rails 44, 44' in such a manner as to be capable of vertically and horizontally displacing. Since a vertical copy roller 50 and a horizontal copy roller 52 are engaged with an ingot 12 to be cut, the cutting edges 14, 14' can be displaced following the snaking of the casted mass 12 by these copy rollers 50, 52, and the casted mass 12 can be regularly uniformly face-cut at a determined cutting depth.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of an apparatus for chamfering a long ingot which is a base material used for producing a wire rod of copper or aluminum.

[0002]

2. Description of the Related Art A long ingot used for producing a wire rod made of copper or aluminum comprises, for example, a rotary wheel having a casting groove on its peripheral surface to form a die cavity and a steel strip for closing the rotary wheel. It is manufactured by a casting machine equipped with a rotary mold, and since the casting groove of this mold usually has a trapezoidal cross section, the ingot to be manufactured also has a trapezoidal cross section. However, in this ingot, the trapezoidal both shoulders form an acute angle, and an ingot burr is generated.Before rolling this into a linear shape, the ingot is cut into a chamfering device that continuously chamfers both shoulders. Is being carried through.
This chamfering device usually has a pair of cutting blades for cutting both shoulders of the ingot, and these cutting blades are attached to a tool rest.

However, since the ingot runs meandering up, down, left and right between the casting machine and the rolling mill, if the cutting blade is kept fixed, the chamfering margins of both shoulders of the ingot are not correct. If the cutting depth becomes uniform and the cutting depth is increased in order to prevent this, there is a disadvantage that the ingot loses a lot and is uneconomical.

Therefore, a chamfering device for adjusting the position of the cutting blade according to the meandering of the ingot has been proposed (Japanese Patent Laid-Open No. 54-54).
No. 142680). The chamfering device according to this proposal is a drive source such as a servo motor that displaces a tool post that holds a cutting blade, an electric sensor that electrically detects the meandering of the ingot, and the output of this electric sensor. And a control circuit for driving the drive source.

[0005]

However, in the ingot ingot cutting apparatus of the prior art, the electric sensor is apt to be damaged by heat in the ingot in a high temperature state of about 900 ° C., and in particular, the contact type electric sensor is used. There is nothing that can withstand such a high temperature, and the non-contact type electric sensor has low responsiveness, and if it comes close to the ingot, there is a possibility that it will be damaged by heat as well. In addition, when an emulsion lubricant is used to cool the ingot, the lubricant is evaporated and the surroundings are contaminated, which deteriorates the maintenance.

Furthermore, since the amount of meandering of the ingot is relatively large,
In the method of electrically detecting the amount of meandering and driving the tool rest in accordance with it, the amount of movement of the electric sensor and the amount of drive of the tool rest become large, and there is a drawback that the structure becomes complicated. Also,
Since the amount of the cutting blade moving in and out is different when the ingot moves up and down and right and left, it is not possible to reliably follow the cutting blade only with the detection amount of the electrical sensor, so it is necessary to use many sensors. However, there was a drawback that the structure was complicated.

The object of the present invention is to avoid the above-mentioned drawbacks and to be able to surely displace the cutting blade following the meandering of the ingot with a simple structure without being affected by the high temperature of the ingot. An object of the present invention is to provide an ingot chamfering device.

[0008]

In order to solve the above problems, the present invention provides a tool rest for holding a cutting blade for chamfering a corner of a traveling ingot, and the cutting blade in a meandering direction of the ingot. In an ingot chamfering device provided with a cutting blade position adjusting mechanism for adjusting the position in accordance with the cutting blade position adjusting mechanism, the cutting blade position adjusting mechanism is a vertical displacement that holds a tool rest in a direction vertical to the traveling direction of the ingot. Holding means, lateral displacement holding means for holding the tool rest laterally displaceable with respect to the traveling direction of the ingot, and mechanical detection of vertical displacement of the tool rest by engaging with the upper surface of the ingot And a vertical copying roller for vertically copying the tool post, and a horizontal copying roller for engaging the side surface of the ingot and mechanically detecting the lateral displacement of the tool post to copy the tool post in the horizontal direction. An object of the present invention is to provide an ingot chamfering device comprising:

[0009]

As described above, when the tool rest for holding the cutting blade is held by the vertical displacement holding means and the lateral displacement holding means, and these displacement holding means are directly displaced by the vertical copying roller and the horizontal copying roller, the cutting blade is Can be displaced along the meandering of the ingot by the vertical copying roller and the horizontal copying roller, so that the ingot can be always chamfered uniformly at a predetermined cutting depth.

Particularly, since the tool post does not require a sensor for electrically detecting the meandering of the ingot as in the conventional method in which the drive source such as a motor displaces, the heat of the ingot may damage the sensor or cause a response. The position adjustment of the cutting blade is not affected by deterioration of the workability, and it is possible to reliably follow the large meandering of the ingot and perform the chamfering satisfactorily with high accuracy. Therefore, it is not necessary to forcibly cool in a short time, the maintenance is good, and it is not necessary to use a large number of sensors, so that the structure is simple.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to the drawings, an embodiment of the present invention will be described in detail. FIG. 1 and FIG. 2 show an ingot chamfering device 10 according to the present invention.
This ingot chamfering device 10 has a tool post having a trapezoidal cross section and holding a pair of cutting blades 14 and 14 'for chamfering both corners 13 and 13' of a traveling ingot 12. 16 and a cutting blade position adjusting mechanism 18 for adjusting the positions of these cutting blades 14 and 14 ′ according to the meandering of the ingot 12.

The pair of cutting blades 14 and 14 'includes a tool rest 16
Is held via the reamer 20, and by rotating the handle 22 of the reamer 20, both corners 13 of the ingot 12,
It is designed to open and close with respect to 13 '. Since this reamer is not directly related to the gist of the present invention, its detailed description is omitted. The tool rest 16 is supported by a machine stand 24 via a cutting blade position adjusting mechanism 18.

The cutting blade position adjusting mechanism 18 holds the tool rest 16 so as to be displaceable in a direction perpendicular to the traveling direction of the ingot 12 (direction perpendicular to the paper surface of FIG. 1 or arrow direction of FIG. 2). The vertical displacement holding means 26 and the tool post 16 are
2 is provided with a lateral displacement holding means 28 which holds the lateral displacement freely in the lateral direction.

The vertical displacement holding means 26 includes an inverted U-shaped frame 30 and a pair of rails 3 of the inverted U-shaped frame 30.
A pair of vertical guide rollers 34, 34 'slidably engaged with 2, 32', and a tool 16 mounted on the inverted U-shaped frame 30 and connected to the tool rest 16 via guide rollers 36. And a turret lifting cylinder 40 connected to a suspension chain 38 for suspending. In the illustrated embodiment, the tool post 16 is slidably supported by a pair of guide rods 42, 42 ′ that are suspended from the frame 30.
6 can be raised and lowered smoothly.

Therefore, when the piston rod of the elevating cylinder 40 extends, the tool rest 16 descends by its own weight and the cutting blade 1
4, 14 'engage the ingot 12 and the reamer 20
The cutting depth can be set by adjusting the distance between the pair of cutting blades. Further, when the piston rod of the lifting cylinder 40 is contracted, the tool rest 16 is raised via the suspension chain 38, and the cutting blades 14 and 14 ′ can be removed from the ingot 12.

On the other hand, the lateral displacement supporting means 28 includes a pair of lateral rails 44, 44 'mounted on the machine base 24 and a pair of lateral guides mounted on the frame 30 and engaged with the lateral rails 44, 44'. It comprises rollers 46, 46 'and a lateral urging cylinder 48 mounted on the machine base 24 for urging the frame 30 to the right in FIG.

The cutting blade position adjusting mechanism 18 of the present invention is supported by the tool rest 16 and is engaged with the upper surface of the ingot 12 to be engaged with the tool rest 16.
Vertical displacement roller 50 that mechanically detects the vertical displacement of the tool post 16 and follows the tool post 16 in the vertical direction, and the lateral displacement of the tool post 16 supported by the tool post 16 and engaged with the side surface of the ingot. Is further provided, and a lateral copying roller 52 for laterally copying the tool rest 16 is further provided. As already mentioned, since the tool rest 16 can be freely displaced in both the vertical direction and the lateral direction by the vertical displacement holding means 26 and the lateral displacement holding means 28, these copying rollers 5
It can be displaced by following the meandering of the ingot 12 by 0, 52.

Next, referring to FIGS. 3 to 5, the state of use of the chamfering apparatus 10 of the present invention will be described.
2 is omitted and only the skeleton is shown. As can be seen from FIG. 3, the tool rest 16 has a vertical copying roller 50 constantly engaged with the upper surface of the ingot 12 by its own weight, and a horizontal urging cylinder 48 causes the horizontal copying cylinder 5 to move.
2 is engaged with the side surface of the ingot 12.

In this chamfering machine, when the ingot 12 is running straight without meandering, the tool rest 16 is
Without being displaced, the cutting blades 14 and 14 'engage with both corners of the ingot 12 with a constant cutting depth to cut these corners with a constant depth as the ingot 12 runs. There is.

Since the tool rest 16 can be freely displaced in the vertical direction and the lateral direction by the vertical displacement holding means 26 and the lateral displacement holding means 28, the ingot 12 is vertically displaced (see FIG. 3).
When the ingot 12 is displaced in the vertical direction), the tool rest 16 is displaced in the vertical direction by following the vertical copying roller 50, and when the ingot 12 is displaced in the horizontal direction, it is displaced by following the horizontal copying roller 52. Therefore, the cutting blades 14 and 14 ′ are engaged with the ingot 12 while always maintaining the set cutting depth even if the ingot 12 meanders. Can be kept constant.

In the above embodiment, the lateral biasing cylinder 48 is used as a means for laterally biasing the tool rest 16 to engage the lateral copying roller 52 with the side surface of the ingot 12, but this biasing force is used. A spring may be used instead of the cylinder as the means.
Further, although the horizontal copying roller 52 is directly attached to the tool rest 16, it may be attached to the frame 30 or another appropriate position. In FIG. 2, reference numeral 54 is a frame 3
It is a lifting prevention guide roller of 0.

[0022]

According to the present invention, as described above, the tool post for holding the cutting blade is held by the vertical displacement holding means and the lateral displacement holding means, and these displacement holding means are moved by the vertical copying roller and the lateral copying. Since it is directly displaced by the roller, the cutting blade can be displaced by following the meandering of the ingot by the vertical copying roller and the horizontal copying roller, so that the ingot can be evenly surfaced at a predetermined cutting depth. Can be scraped.

Especially, since the tool post does not require a sensor for electrically detecting the meandering of the ingot as in the conventional method in which the tool is displaced by a drive source such as a motor, the heat of the ingot may damage the sensor or cause a response. The position adjustment of the cutting blade is not affected by deterioration of the workability, and it is possible to reliably follow the large meandering of the ingot and perform the chamfering satisfactorily with high accuracy. There is a merit that the structure is simple because there is no need to forcibly cool the sinter in a short time, good maintenance is required, and it is not necessary to use a large number of sensors.

[Brief description of drawings]

FIG. 1 is a front view of an ingot chamfering device according to the present invention.

FIG. 2 is a side view of an ingot chamfering device according to the present invention.

FIG. 3 is a schematic front view of an ingot chamfering device according to the present invention.

FIG. 4 is a schematic side view of an ingot chamfering device according to the present invention.

FIG. 5 is a schematic top view of an ingot chamfering device according to the present invention.

[Explanation of symbols]

 10 Ingot Face-Shaping Device 12 Ingot 14 Cutting Blade 14 'Cutting Blade 16 Turret 18 Cutting Blade Position Adjusting Mechanism 20 Reamer 22 Handle 24 Machine Stand 26 Vertical Displacement Retaining Means 28 Frame Displacement Retaining Means 30 Frame 32 Vertical Rails 32' Vertical rails 34 Vertical guide rollers 34 'Vertical guide rollers 36 Guide rollers 38 Suspended chains 40 Lifting cylinders 42 Slide shafts 42' Slide shafts 44 Horizontal rails 44 'Horizontal rails 46 Horizontal guide rollers 46' Horizontal guide rollers 48 Horizontal biasing cylinders 50 Vertical Copy Roller 52 Horizontal Copy Roller

Claims (1)

[Claims] 1. An ingot provided with a tool rest for holding a cutting blade for chamfering a corner of a traveling ingot, and a cutting blade position adjusting mechanism for adjusting the position of the cutting blade according to meandering of the ingot. In the chamfering apparatus, the cutting blade position adjusting mechanism includes a vertical displacement holding unit that holds the tool rest so as to be displaceable in a direction perpendicular to the traveling direction of the ingot, and the tool rest travels in the ingot. Lateral displacement holding means for holding the tool post in the vertical direction by engaging the upper surface of the ingot and mechanically detecting the vertical displacement of the tool post. A vertical copying roller for copying, and a horizontal copying roller for mechanically detecting a lateral displacement of the tool post by engaging a side surface of the ingot and laterally copying the tool post. Ingot chamfering device.