KR20070000027U - Insert guide device for guiding and supporting band saw blade - Google Patents

Abstract

The present invention relates to an insert guide device for guiding and supporting a band saw blade, and is provided with two sets of saw blade guide bearings in an insert guide device for guiding and supporting a band saw blade, thereby effectively reducing vibration and noise of the saw blade. It is also an object of the present invention to provide an insert guide device for guiding and supporting a band saw blade which prevents saw blades from being broken or cut and thus enables precise machining operations.

According to the present invention, the two bands of the band saw blade passing through the insert groove by constituting a plurality of two sets of bearings of the insert guide device formed on any one track line in which the band saw blade repeats the circumferential driving movement by the driving wheel and the driven wheel. By contacting and guiding, it effectively reduces vibration and noise, and by installing the same two or more sets of bearings at the front end of the insert groove, it is possible to support the band saw blade more steadily, effectively preventing the saw blade from being broken or cut. There are advantages to it.

Description

Insert guide device for guiding and supporting band saw blades {INSERT GUIDE APPARATUS FOR GUIDING A BAND SAW}

1 is a front view showing the configuration of a band saw blade device according to a conventional embodiment,

2 is a perspective view showing an insert guide device for guiding and supporting a band saw blade according to a conventional embodiment,

Figure 3 is a perspective view showing the main part of the insert guide device for guiding and supporting the band saw blade according to an embodiment of the present invention,

Figure 4 is a front sectional view showing an insert guide device for guiding and supporting the band saw blade according to an embodiment of the present invention,

5 is a perspective view illustrating main parts of an insert guide device for guiding and supporting a band saw blade according to another exemplary embodiment of the present invention.

* Explanation of symbols for main parts of drawings *

50: insert guide device, 52: the body,

52a: insert groove, 54: support,

56: extension,

62a, 62b, 62c, 62d: Bearing for band saw blade guide.

The present invention relates to an insert guide device for guiding and supporting a band saw blade, and more particularly, by installing two sets of saw blade guide bearings in an insert guide device for guiding and supporting a band saw blade, thereby preventing vibration and noise of the saw blade. It can be effectively reduced to enable precise machining work, and extension plates are installed at the front and rear ends of the insert guide device, and two sets of saw blade guide bearings are installed on each extension plate to guide the front and rear band saw blades firmly based on the insert groove. The present invention relates to an insert guide device for guiding and supporting a band saw blade to prevent the saw blade from being broken or cut by vibration during driving of the band saw blade.

As is well known, a band saw blade device for cutting or processing a workpiece using a band saw blade that is continuously rotated is currently used. The band saw blade device has a structure in which the band saw blade is rotated in the form of a bicycle chain by rotation of the drive wheel and the driven wheel in a state where the band saw blade is placed on the outer circumference of the driving wheel and the driven wheel.

Such a conventional band saw blade device will be described in detail with reference to FIG. 1.

Referring to this, the band saw blade device 1 is provided with a box-shaped base frame 3, on the upper surface of the base frame 3, a fixed vise jaw 5F capable of clamping the work W thereon. And a vise device 5 provided with the movable vise jaw 5M facing each other. Since the configuration of the vise device 5 is known as a general configuration, detailed description of the vise device 5 is omitted.

A pair of left and right guide posts 7L and 7R are erected in the base frame 3, and the upper end side of the guide posts 7L and 7R maintains strength and maintains parallelism of the guide posts 7L and 7R. It is connected integrally through the connecting member 9 in order to achieve this. Cylindrical slide sleeves 11L and 11R are coupled to the left and right guide posts 7L and 7R so as to be movable up and down, and left and right wheel brackets are respectively provided on the left and right outer portions of the left and right slide sleeves 11L and 11R. 13L and 13R are integrally fixed by welding etc., respectively.

The left and right wheel brackets 13L and 13R are inclined so that the upper side is rearward (the upper side is rear side in FIG. 1).

The lower side of the slide sleeves 11L and 11R and the lower side of the left and right wheel brackets 13L and 13R are integrally connected to the beam member 14 that is long in the horizontal direction. Since the beam member 14 and the left and right wheel brackets 13L and 13R constitute a saw blade housing for rotatably supporting a driving wheel and a driven wheel, which will be described later, and the upper portion is formed in an open C-shape, The height dimension can be suppressed.

Since the wheel bracket 13R has a dual structure having an upper bracket 13A and a lower bracket 13B, the upper and lower brackets are supported by rotating shafts 15 supported at both ends by upper and lower brackets 13A and 13B. The drive wheel 17 is rotatably supported between 13A and 13B. The drive wheel 17 is rotationally driven by a motor (not shown) mounted on the wheel bracket 13R.

A driven wheel 21 is rotatably supported on the wheel bracket 13L on the left side via a rotating shaft 19, and an endless band saw blade 23 is supported on the driven wheel 21 and the drive wheel 17. This is walked up. In addition, a tension applying means 25 for moving the driven wheel 21 in the direction away from the drive wheel 17 to apply tension to the band saw blade 23 is provided to the wheel bracket 13L. It is installed.

The tension applying means 25 supports the rotating shaft 19 and applies tension to the band saw blade 23 by moving a support block (not shown) in a direction away from the drive wheel 17. For example, it consists of a hydraulic cylinder, a screw mechanism, etc. Since this kind of tension provision means 25 is well-known, the detailed description about the tension provision means 25 is abbreviate | omitted.

On the other hand, in the band saw blade device 1, the fixing rod 30 at the upper end thereof is coupled to the connecting member 9 in order to maintain the parallelism of the guide posts 7L and 7R, and the lower end of the fixing rod 30 at the same time. An insert guide device 32 for supporting the band saw blade while supporting it is provided.

As shown in FIG. 2, the insert guide device 32 is provided with a body 34 of a hexagonal body, and an upper end of one side of the body 34 is connected to the fixing rod 30 and the bolt 38. A support 36 fixed by the extension is formed to extend, and an extension plate 40 is formed to extend in parallel to the ground at one end of the body 34, and a band saw blade 23 at the center of the body 34. The insert groove 34a for the passage of) is formed.

A plurality of coupling holes (not shown) are drilled in the extension plate 40, and a bearing shaft (not shown) is coupled through the coupling hole, and saw blade guide bearings 44a and 44b face the lower portion of the bearing shaft. The upper ends of the bearing shafts are coupled by bolts 42 on the upper surface of the extension plate 40.

Therefore, the band saw blade 23 is guided by the outer periphery of the saw blade guide bearings 44a and 44b each composed of a plurality of sets while passing through the insert groove 34a, thereby preventing vibration and noise.

However, such a conventional band saw blade device 1, despite the configuration of the insert guide device 32 is composed of a set of the saw blade guide bearings (44a, 44b), the noise and vibration is still severe, and precise machining is difficult and also There is a problem that the saw blade is easily broken or cut by the vibration.

The present invention has been made in view of the above-described state of the art. Two sets of saw blade guide bearings are mounted on an insert guide device for tightly guiding and supporting a band saw blade, so that vibration and noise of the saw blade can be effectively reduced to achieve precise machining. It is possible to install the extension plate at the front and rear ends of the insert guide device, and install two sets of saw blade guide bearings at each extension plate so that the front and rear band saw blades can be reliably guided based on the insert groove. It is an object of the present invention to provide an insert guide device for guiding and supporting a band saw blade to prevent the band saw blade from being broken or cut.

In order to achieve the above object, according to a preferred embodiment of the present invention, the band saw blade is configured on any one track line repeating the circumferential driving movement by the drive wheel and the driven wheel, the insert groove for guiding the band saw blade It is formed in the interior of the body, the extension plate is formed on the top of the back of the body formed with the outlet of the insert groove extending horizontally with the ground, the lower portion of the extension plate, in close contact with both sides of the band saw blade passing through the insert groove guide In the insert guide device for preventing the vibration of the band saw blade passing through the insert groove is composed of a plurality of saw blade guide bearings for mutually opposed to each other, the extension plate is opposed to each other in the width direction, and installed to rotate In addition to the bearing for the saw blade guide, another saw blade mounted parallel to the bearing for the saw blade guide and being rotated to face each other The insert guide device for guiding and supporting the band saw blade is characterized by guiding both side surfaces of the band saw blade passing through the insert groove by two-wire contact at different positions. do.

Preferably, an extension plate is formed at each of the front surface of the body in which the inlet of the insert groove is formed and the rear of the body in which the outlet is formed, and a plurality of saw blade guide bearings facing each other on the bottom surface of the extension plate are provided in the insert groove. There is provided an insert guide device for guiding and supporting a band saw blade which guides the band saw blade to be pulled in and out.

Hereinafter, the present invention will be described in detail with reference to the drawings.

Figure 3 is a perspective view showing the main part of the insert guide device for guiding and supporting the band saw blade according to an embodiment of the present invention, Figure 4 is a guide for supporting and supporting the band saw blade according to an embodiment of the present invention Front sectional view showing the insert guide device.

Referring to this, the insert guide device 50 for guiding and supporting the band saw blade according to an embodiment of the present invention is equipped with two sets of saw blade guide bearings on the insert guide device for guiding and supporting the band saw blade, saw blade It effectively reduces vibration and noise, enabling precise machining and preventing the saw blade from being broken or cut by vibration.

To this end, the insert guide device 50 for guiding and supporting the band saw blade according to an embodiment of the present invention, like the conventional insert guide device, to maintain the parallelism of the guide post (see Fig. 1; 7L, 7R) The fixing rod 30 of the upper end is coupled to the connecting member (see FIG. 1; 9), and the insert guide device 50 for guiding and supporting the band saw blade 23 at the lower end of the fixing rod 30. ) Is provided.

As shown in Figure 3, the insert guide device 50 is provided with a body 52 of the hexagonal body, one side of the upper body 52 of the fixing rod 30 and the bolt 38 The support (54) is fixed to be formed to extend, the upper end of the back of the body 52 (back of the body formed with the insertion opening of the insert groove) is formed to extend the extension plate 56 in parallel with the ground, An insert groove 52a is formed in the center of the body 52 through which the band saw blade 23 passes.

Four coupling holes (not shown) are drilled in the extension plate 56, and four bearing shafts (not shown) are coupled through the coupling holes, and four saw blade guide bearings 62a, 62b, 62c, and 62d are opposed to each other, and the upper end of the bearing shaft is coupled by a bolt 58 on the upper surface of the extension plate 56.

Therefore, the insert guide device 50 for guiding and supporting the band saw blade according to an embodiment of the present invention is in close contact with the left and right sides of the band saw blade 23 moved through the insert groove 52a, respectively. The saw blade guide bearings 62a, 62b, 62c, and 62d, which are adjacent to each other and guide the left and right sides of the band saw blade 23 in close contact with each other, are composed of a total of two sets of four saw blades 23 that pass through. Hold both sides of the in multiple positions.

Accordingly, the band saw blade 23 is guided by the outer periphery of the saw blade guide bearings 62a, 62b, 62c, 62d formed of a plurality of two sets while passing through the insert groove 52a, thereby preventing vibration and noise. Will be. The saw blade guide bearings 62a, 62b, 62c, and 62d, which are arranged so as to face each other in a pair of two, have two band saw blades drawn out through the insert groove 52a and drawn out of the body 52. 23 is in line contact with the outer periphery of the saw blade guide bearings 62a, 62b, 62c, and 62d at a plurality of positions.

This further reduces the vibration of the band saw blade 23 when the band saw blade 23 is traveling, and the noise generated can be effectively reduced due to the vibration reduction. Therefore, precise workpiece processing becomes fully possible.

5 is a perspective view illustrating main parts of an insert guide device for guiding and supporting a band saw blade according to another exemplary embodiment of the present invention.

Referring to this, the insert guide device 50 'for guiding and supporting the band saw blade according to another embodiment of the present invention is installed on the front and rear surfaces of the insert guide device, respectively, two sets of saw blade guide on each extension plate It is a device that prevents saw blade breakage and cutting by further reducing vibration and noise when driving the band saw blade by mounting the bearing to guide the front and back band saw blades firmly based on the insert groove.

To this end, the insert guide device 50 'for guiding and supporting the band saw blade according to an embodiment of the present invention, like the conventional insert guide device, to maintain the parallelism of the guide post (see Fig. 1; 7L, 7R) The fixing rod 30 of the upper end is coupled to the connecting member (see FIG. 1; 9) for the purpose, and the insert guide device for guiding and supporting the band saw blade 23 at the lower end of the fixing rod 30 50 ') is provided.

As shown in FIG. 3, the insert guide device 50 'is provided with a body 52' of a hexagonal body, and the fixing rod 30 and the bolt (b) are formed at one upper end of the body 52 '. 38 is formed to extend the support (54) is fixed to the top of the front (front of the body formed with the inlet of the insert groove) and the rear (back of the body formed with the outlet of the insert groove) of the body 52 ' The extension plates 56 and 56 'are formed to extend in parallel with the ground, respectively, and an insert groove 52a through which the band saw blade 23 passes is formed at the center of the body 52'.

Four coupling holes (not shown) are drilled in the extension plates 56 and 56 ', respectively, and four bearing shafts (not shown) are coupled through the coupling holes, and four saw blade guides are provided under the bearing shafts. Bearings 62a, 62b, 62c, 62d and 62a ', 62b', 62c ', and 62d' are respectively opposed to each other, and the upper end of the bearing shaft is bolted 58 on the upper surface of the extension plate 56, 56 '. Are joined by).

Therefore, the insert guide device 50 'for guiding and supporting the band saw blade according to another embodiment of the present invention is a position to move toward the insert groove (52a) relative to the insert groove (52a), and The saw blades are configured to be in close contact with the left and right side surfaces of the band saw blade 23 at the position passing through the insert groove 52a, respectively, and the two blades are guided by closely contacting the left and right sides of the band saw blade 23 in one pair. The guide bearings 62a, 62b, 62c, 62d (62a ', 62b', 62c ', 62d') are composed of two sets of four, and each extension plate 56, 56 'is composed of the entire bearing. The number is eight, and four bearings are formed in the front and the rear of the insert groove 52a, respectively.

Accordingly, the saw blade guide bearings 62a, 62b, 62c, 62d and 62a ', 62b', 62c ', 62d' are formed of a plurality of saw blade guide bearings formed before the band saw blade 23 enters the insert groove 52a. Two-wire support and guide are made by (62a ', 62b', 62c ', 62d'), and a plurality of sets of saw blade guide bearings 62a, 62b, 62c, formed at a point passing through the insert groove 52a, 62d) is also a two-wire support and guide is made so that the band saw blade 23 is very firmly adhered and guided.

Therefore, the vibration of the band saw blade 23 during the running of the band saw blade 23 is further reduced, and the generated noise can also be effectively reduced due to vibration reduction. Therefore, precise workpiece processing is sufficiently possible, and it is possible to prevent the saw blade from being broken or cut by vibration.

On the other hand, the insert guide device for guiding and supporting the band saw blade according to an embodiment of the present invention is not limited to the above embodiment, but various modifications are possible within the scope not departing from the technical gist.

As described above, the insert guide device for guiding and supporting the band saw blade according to the present invention is a bearing of the insert guide device configured on any one track line for the band saw blade to repeat the circumferential driving movement by the drive wheel and the driven wheel. It consists of a plurality of sets of two guides to guide the band saw blades that have passed through the insert grooves while effectively reducing vibration and noise, and by installing the same two sets of bearings at the front end of the insert grooves more stably. By supporting it, there is an advantage of preventing the saw blade from being broken or cut by vibration.

Claims (2)

The band saw blade is formed on one of the track lines repeating the circumferential driving movement by the driving wheel and the driven wheel, and the insert groove for guiding the band saw blade is formed into the inside of the body, and the rear of the body having the outlet of the insert groove is formed. An extension plate extending horizontally with the ground is formed on the upper end of the extension plate, and the bearings for the saw blade guides for guiding the guide blades in close contact with both sides of the band saw blade passing through the insert grooves are formed to face each other in a pair of inserts. In the insert guide device for preventing the vibration of the band saw blade passing through the groove, The extension plate is opposed to each other in the width direction thereof, and in addition to the bearing for the saw blade guide installed in a rotational manner, another saw blade guide bearing in parallel with the bearing for the saw blade guide and installed to rotate in the opposite direction is constituted, thereby inserting the insert groove. Insert guide device for guiding and supporting the band saw blade, characterized in that the two sides of the band saw blade passed through the guide line while the outer periphery of the bearing in different positions. According to claim 1, wherein the extension plate is formed in each of the front surface of the body formed with the inlet of the insert groove and the back of the body formed with the outlet opening, a plurality of saw blade guide bearings respectively opposed to the lower surface of the extension plate is composed of two sets Insert guide device for guiding and supporting the band saw blade, characterized in that guides the band saw blade drawn out with respect to the insert groove.

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