KR100622281B1 - Apparatus for sawing wood - Google Patents

Abstract

Disclosed is a wood cutting device comprising a frame, a support fixed to the frame, a spindle shaft supported by the support portion, and a drive portion for driving a spindle shaft. The support portion is configured to include a contact portion moving between a support position in contact with the spindle shaft, a release position not in contact with the spindle shaft, and a contact driving portion for driving the contact portion to move between the support position and the release position. Therefore, it is possible to perform the replacement operation of the saw by driving the contact driving unit and retracting the contact to the release position without dismantling all of the supporting portions when replacing the saw. As a result, maintenance work can be made much easier than before.

Wood Cutting Device, Gang Show

Description

Apparatus for sawing wood}

1 is a plan view of a conventional wood cutting device

2 is a plan view of a wood cutting device of one embodiment of the present invention

3 is a partially broken front view of the spacer of FIG.

4 is a side view of FIG. 3

5 is a partially broken front view of the outer spacer of FIG.

6 is a side view of FIG. 5

FIG. 7 is a partially broken front view of the inner spacer of FIG. 3. FIG.

8 is a side view of FIG. 7

** Description of the symbols for the main parts of the drawings **

1110: drive unit

1151: spindle axis

1152: inner spacer

1152b: (inner spacer) scale

1152c: keyway

1153: outer spacer

1153b: fastener

1153c: (outer spacer) scale

1161, 1162: axis of rotation

The present invention relates to a wood cutting device, and more particularly to a wood cutting device that is easy to maintain, such as replacement of the saw.

The wood cutting device is one of the necessary equipment for assembling wood furniture, and in particular, the wood cutting device of the present invention is a device called a gang show, which simultaneously cuts one sheet into several plates, thereby increasing the efficiency of the wood process. Equipment.

1 is a plan view of a conventional wood cutting device.

As shown in the drawing, the conventional wood cutting device includes a cutting part 100 for cutting a plate and an inlet part 200 and a cutting part 100 which are provided at an inlet side of the cutting part 100 to introduce a plate into the cutting part 100. It is provided on the outlet side of the withdrawal portion 300 to withdraw the cut plate material.

The inlet 200 includes an inlet side lower support roller 220 supporting the lower portion of the plate and the inlet side driving roller 210 that drives on the inlet side. The inlet side driving roller 210 and the inlet side lower supporting roller 220 are installed to face each other, the inlet side driving roller 210 is driven by a drive motor.

The lead portion 300 is composed of a pull-out lower support roller 320 for supporting the lower portion of the drawn sheet material, and an outlet drive roller 310 for driving at the outlet side. The outlet side driving roller 310 and the outlet side lower support roller 320 are installed to face each other, the outlet side driving roller 310 is driven by the drive motor.

The cutting unit 100 includes a spindle shaft 151 provided with saws 161 and 162, a support unit 120 for supporting the spindle shaft 151 at both ends, a drive unit 110 for driving the spindle shaft 151, The saws 161 and 162 provided are composed of spacers 152 and 153 provided between the saw and the saws so as to maintain a constant interval.

The support part 120 generally includes a bearing in which the spindle shaft 151 is inserted and supported, and a housing for fixing the bearing. The housing is fixed on the frame of the device.

If the saw is broken during use of the wood cutting device configured as described above, or if the saw is to be replaced with another type of saw, the saw is coupled to the spindle shaft 151 after the housing is removed from the frame. Must be removed sequentially.

However, the removal of the housing with bearings from the frame is very cumbersome, and there is a risk of damaging the bearings. Therefore, there is a disadvantage that a very large time is consumed in the work of replacing the saw.

The present invention has been made to solve the above problems, and in detail, it is possible to easily replace the saw, and to provide a wood cutting device that can facilitate the maintenance of the device.

The present invention, in order to achieve the object as described above, the frame; A support fixed to the frame; A spindle shaft supported by the support and provided with a saw; It provides a wood cutting device comprising a drive unit for driving the spindle axis. Here, the support portion, the contact portion to move between the support position in contact with the spindle shaft and the release position not in contact with the spindle shaft; Preferably, the contact portion driving unit for driving the contact portion to move between the support position and the release position. Therefore, the trouble of having to disassemble all the support parts of the conventional spindle shaft for the replacement of the saw can be eliminated, and the maintenance of the device can be facilitated.

In addition, the contact drive unit is preferably formed of a pneumatic piston.

And it is effective that the said contact part was formed in cone shape.

In addition, the contact portion is preferably formed such that the end of the cone is in contact with the center of rotation of the spindle axis. Thus, the spindle axis can be rotated without being eccentric.

Preferably, the spindle shaft is recessed so that a surface in contact with the contact portion corresponds to a conical shape of the contact portion.

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

2 is a plan view showing the structure of an embodiment of the present invention.

As shown in FIG. 2, the wood cutting device according to the embodiment of the present invention includes a cutout part 1100 and an inlet part 1200 and a cutout part which are provided at the inlet side of the cutout part 1100 to introduce a plate into the cutout part 1100. It is composed of a withdrawal unit 1300 which is provided on the outlet side of the 1100 to withdraw the cut plate.

The inlet 1200 includes an inlet side lower support roller 1220 supporting the lower portion of the plate, and an inlet side drive roller 1210 driven from the inlet side. The inlet side driving roller 1210 and the inlet side lower supporting roller 220 are installed facing each other, and the inlet side driving roller 1210 is driven by the drive motor.

The lead portion 1300 includes a pull-out lower support roller 1320 for supporting a lower portion of the drawn sheet and an exit drive roller 1310 for driving at the outlet side. The outlet side driving roller 1310 and the outlet side lower supporting roller 1320 are installed to face each other, and the outlet side driving roller 1310 is driven by the driving motor.

The cutting unit 1100 includes a spindle shaft 1151 provided with the saws 1161 and 1162 spaced apart from each other, a support unit 1120 and 1170 for supporting the spindle shaft 1151 at both ends, and a drive unit for driving the spindle shaft 1151. 1110 and the installed saws 1161 and 1162 are composed of spacers 1152 and 1153 provided between the saw and the saw so as to maintain a constant interval.

The support parts 1120 and 1170 include a fixed support part 1120 and a detachable support part 1170. The fixed support 1120 is configured as a bearing 1120 installed at one end of the spindle shaft 1151 and supporting the spindle shaft 1151.

The detachable support part 1170 includes a contact part driver 1171 and 1172 fixed to the frame, and a piston contact part 1171 formed at the ends of the contact part driver 1171 and 1172. The contact mouths 1171 and 1172 are implemented by pneumatic pistons, and include a cylinder 1171 and a piston 1172 sliding in the cylinder 1171. The piston contact portion 1173 has a conical end portion. The extreme end of the cone is preferably formed to be centered on the spindle axis 1151. This is to prevent the eccentric load which occurs when the eccentric support is rotated by supporting the rotation center of the spindle shaft 1151.

In the embodiment of the present invention, the pneumatic piston implements the contact unit, but is not limited thereto, and may be implemented as a hydraulic piston or a motor.

Both ends of the spindle shaft 1151 are supported by the support parts 1120 and 1170, and the shaft end on the detachable support part 1170 side is recessed and formed in conformity with the shape of the piston contact part 1173 of the detachable support part 1170.

The driving unit 1110 includes a pulley 1110 fixed to the end of the fixed support 1120 side of the spindle shaft 1151 and a driving motor (not shown) for driving the pulley 1110.

3 to 8 illustrate the structure of the spacer of FIG. 2.

The spacer is composed of an inner spacer 1152 inserted into the spindle shaft 1151 and an outer spacer 1153 fitted to an outer diameter of the inner spacer 1152.

The inner spacer 1152 is formed in such a size that an insertion hole 1152e forming an inner diameter can be inserted into the spindle shaft 1151, and a key groove 1152c is recessed in the longitudinal direction in the inner diameter. The outer side surface is formed such that the stepped portion 115d is formed by the engaging surface 1152a and the engaging portion 1152d. A thread is formed on the engaging surface 1152a, and a scale 1152b is formed on the engaging portion 1152d.

The outer spacer 1153 is composed of a mating surface 1153a having a threaded inner diameter and a locking portion 1153d having a larger inner diameter than the mating surface 1153a. The outer spacer 1153 coupling surface 1153a is coupled to the coupling surface 1152a of the inner spacer 1152, and the outer spacer 1153 locking portion 1153d is coupled to face the inner spacer locking portion 1152d.

A scale 1153c is formed at an outer diameter of the outer spacer 1153, and a fixing hole 1153b is formed by penetrating from an outer diameter to an inner diameter.

The assembly method of the spacer is as follows. First, the inner spacer 1152 is inserted into the spindle shaft 1151 so that the key groove 1152c is fitted into a key (not shown) fitted in a key groove (not shown) formed on the spindle shaft 1151, and the outer spacer 1153 Of the coupling surface 1153a is engaged with the coupling surface 1152a of the inner spacer 1152. Then, the outer spacers 1153 are slowly turned so that the thicknesses of the inner spacers 1152 and the outer spacers 1153 become a desired size. At this time, the thickness can be adjusted while looking at the scale formed in the outer spacer 1153 and the inner spacer 1152. Then, a fixing screw (not shown) is inserted through the fixing hole 1153b to fix the outer spacer 1153 and the inner spacer 1152 so as not to move relative to each other.

Therefore, not only the thickness of the entire spacer can be adjusted by a desired amount, but also a scale is formed and can be easily adjusted without measuring. In addition, it is possible to fix the thickness through the fixing screw, it is possible to recycle without the process of adjustment.

Hereinafter, a method for assembling, disassembling and adjusting the spacing of embodiments of the present invention will be described.

As described above, the gap between the spacers 1152 and 1153 is adjusted and then inserted into the spindle shaft 1151 alternately with the saws 1161 and 1162. Then, the washer 1154 and the nut 1155 are inserted and tightened.

Then, the pneumatic piston 1171 is operated so that the contact portion 1173 is fitted into the recessed portion formed at the end of the spindle shaft 1151, thereby completing the assembly.

If it is necessary to adjust the distance between the saws 1161 and 1162 during use, loosen the fixing screw, adjust the thickness of the spacer, and then tighten the fixing screw again. Next, the saws 1161 and 1162 are moved to adjust the positions of the saws 1161 and 1162 to adjust the spacing between the saws 1161 and 1162.

When the saws 1161 and 1162 are to be replaced, the pneumatic piston 1171 of the detachable support 1170 is operated to retract the contact portion 1173 from the spindle shaft 1151. The nut 1155 and washer 1154 are then disassembled and the saws 1161 and 1162 and the spacers are sequentially removed. Replace saws 1161 and 1162 and reassemble in reverse order. As described above, by providing the detachable support part 1170, replacement of the saws 1161 and 1162 is easy.

According to the embodiment of the present invention as described above, various effects including the following matters can be expected. However, the present invention is not achieved by exerting all of the following effects.

First, by providing a detachable support part, attachment and detachment of a saw can be made easier than before. Therefore, maintenance time, such as replacement of the saw of a wood cutting device, can be shortened.

Moreover, by providing the spacer which is easy to adjust thickness, adjustment of the space | interval between saws is easy.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope of the claims.

Claims (5)

frame; A support fixed to the frame; A spindle shaft supported by the support and provided with a saw; It includes a drive unit for driving the spindle axis, The support portion, A contact portion moving between a support position in contact with the spindle shaft and a release position not in contact with the spindle shaft; A contact driver driving the contact part to move between the support position and the release position; Wood cutting device comprising a. The method of claim 1, And the contact driving portion is formed of a pneumatic piston. The method of claim 1, The contact portion, Wood cutting device, characterized in that formed in a conical shape. The method of claim 3, wherein The contact portion, Wood cutting device, characterized in that the end of the cone is formed in contact with the center of rotation of the spindle axis. The method of claim 3, wherein The spindle axis is, Wood cutting device, characterized in that the surface in contact with the contact portion is formed concave so as to correspond to the cone shape of the contact portion.

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