JPH08281610A - Safety cover device for longitudinal plane of square double-face planer - Google Patents

Abstract

PURPOSE: To mount a safety cover for covering a longitudinal plane body between a material transfer roller and a longitudinal guide while transferring a material of narrow width. CONSTITUTION: A safety cover 25 for covering a vertical plane body 10 is pivoted in the vertical direction by an opening section formed on a rear side guide 13. The safety cover 25 is disposed in upright in a clearance between the rear side guide 13 and a material transfer roller 17, and when a material is transferred, the end of the material hits the safety cover 25 and rotates upward between the rear side guide 13 and the material transfer roller 17, and the safety cover 25 is pressed through the clearance between the rear side guide 13 and the material transfer 17 and retreated into a space in a material transfer device 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety cover device for a vertical planer of a right-angled two-sided planer.

[0002]

2. Description of the Related Art Conventionally, a right-angled two-sided planer consisting of a horizontal planer and a vertical planer has not been equipped with a safety cover for covering the vertical planer.

[0003]

The reason for this is that, if a material feeding device is provided, it is not necessary in terms of structural standards and that a material feeding roller and a vertical guide are required to feed material with a narrow width. The space was small and it was difficult to attach a safety cover to the space. However, when the material feeding device is retracted from the table and used as a function similar to a hand-operated planer that manually feeds material using only the horizontal planer barrel, when the material is fed manually, There was a risk of accidentally touching the exposed vertical cylinder, and a means for covering the vertical cylinder was needed.

An object of the present invention is to solve the above-mentioned problems of the prior art and to attach a safety cover between the material feeding roller and the vertical guide to cover the vertical planing cylinder while allowing the material feeding of a narrow material. Is to be done. In addition, even when the material feeding device is evacuated and used as a function of a hand-held planer,
It is to be able to safely perform cutting work. Furthermore, it is to be able to easily attach and detach the safety cover.

[0005]

In order to achieve the above object, the present invention mounts a horizontal planer cylinder having a horizontal planer blade on a base, and places a front table and a rear table in front of and behind the horizontal planer cylinder. In a right-angled two-sided planer having a vertical planer blade and a vertical planer cylinder that holds the vertical planer blade at a right angle to the rear table surface, a guide that supports the vertical planer cylinder is erected on the table surface, and This is achieved by pivotally supporting a rotatable safety cover that covers the vertical planer in place, and providing a spring for urging the safety cover downward at the pivotal support portion of the safety cover.

Another object is to rotatably attach a cover shaft to the safety cover, wind the spring around the outer circumference of the cover shaft, and fit one end of the spring into the safety cover to cover the safety cover and the cover. A shaft and a spring are integrated, and the guide is provided with a boss fitting hole, a spring fitting hole and a cover shaft fitting hole of a safety cover, and the cover shaft is detachably attached to the hole. .

[0007]

[Function] The safety cover that covers the vertical trunk in the normal state is pushed out of the material between the guide and the material feeding roller and is rotated upward about the cover shaft as the material is extruded. Expose the vertical plane. During cutting, the vertical planer cylinder is covered with a safety cover except for the height of the material. After the cutting is finished and the rear end of the material passes through the vertical plank cylinder, the safety cover is rotated in the opposite direction by the biasing force of the spring to cover the vertical plank cylinder again.

When the bolt is loosened and the safety cover is removed from the guide, the safety cover, the cover shaft and the spring are removed together. When installing the safety cover, insert the cover shaft into the cover shaft fitting hole, tighten the bolt at the position where the hook of the spring enters the spring fitting hole, and the safety cover and the guide contact, and fix the cover shaft. The spring is set and the safety cover installation is complete.

[0009]

Embodiments of the present invention will be described with reference to FIGS. 1 is a front view of a right-angled two-sided planing board showing an embodiment of the present invention, FIG. 2 is a right side view of FIG. 1, FIG. 3 is a plan view of FIG.
FIG. 10 is an enlarged front view of the material fed. In the figure, a horizontal planer cylinder 3 having a horizontal planer blade 2 is arranged in the center of the upper part of a base 1, a front table 5 on which a material 31 to be cut is placed is provided in front of the horizontal planer cylinder 3, and below the table. The front table 5 can be raised and lowered with respect to the horizontal planer body 3 by rotating the handle 4. A rear table 6 on which the material 31 cut by the horizontal planer 3 is placed is provided behind the horizontal planer 3, and the height of the upper surface of the rear table 6 is arranged to match the cutting edge of the horizontal planer blade 2. . The base 1 is provided with a safety shaft 7 for covering the well-known horizontal planing body 3 with a cover shaft 8.
It is mounted on the base 1 so as to be horizontally rotatable around.

Behind the horizontal planer body 3 (to the left in FIG. 1)
A vertical planing cylinder 10 having vertical planing blades 9 at right angles to the upper surfaces of the tables 5 and 6 is pivotally supported by a rear guide described later.
By rotating the handle 11 on the front side of the vertical planer body 10, the front guide 12 movable left and right as viewed in FIG. 2 is placed on the front table 5, and the cutting edge of the vertical planer blade 9 and the guide surface are aligned on the rear side. The side guide 13 is provided on the rear table 6.

A hollow column holder 14 is attached to the rear side surface of the rear table 6, and a column 15 is fitted inside the column holder 14. A material feeding device 16 is provided at the upper end of the column 15. A plurality of material feeding rollers 17, 17 ... And a material feeding motor (not shown) for driving the material feeding rollers 17 are arranged inside the material feeding device 16. The lower end of the column 15 is screw-engaged with the elevating screw 18, and the elevating motor 18 provided inside the base 1 rotates the elevating screw 18 so that the column 15 moves up and down together with the material feeding device 16 using the column holder 14 as a guide. .

The rotating structure of the material feeding device 16 will be described with reference to FIG. FIG. 9 is a sectional view showing the rotating structure of the material feeding device. Two bearings 20 and 20 are vertically arranged on the outer periphery of the small diameter portion 15a at the upper end of the column 15, and a collar 21 for fixing the bearing is attached between the bearings 20 and 20, and the material is fed to the outer periphery of the bearings 20 and 20. The rotating part 22 of the device 16 is fitted. With this, the material feeding device 16 can be horizontally rotated about the rotating portion 22, and normally, as shown in FIG. 3, the material feeding device 16 is positioned on the tables 5 and 6 and then shown in FIG. When it is desired to retract to the opposite table side, the material feeding device 16 is rotated 180 degrees in the direction of arrow C in FIG.

A male screw portion 23a of the clamp lever 23 is inserted into a hole portion 22a formed on the rotating portion 22 of the material feeding device 16, and the male screw portion 23a is formed in a screw hole 15b formed vertically from the upper surface of the column 15. Mate with screws. With this, the column 15 and the material feeding device 16 are fixed and released.

Next, the structure of the present invention will be described with reference to FIGS. 4 is a sectional view taken along the line AA of FIG. 1, FIG. 5 is a sectional view taken along the line BB of FIG. 1, FIG. 6 is a sectional view taken along the line BB of FIG. 1 when a material is fed, and FIG. 4 is an enlarged view around the vertical planer trunk, and FIG. 8 is a state view of the safety cover removed from the vertical guide. As shown in the figure, a safety cover 25 that covers the vertical trunk 10 is rotatably supported in a vertical direction in a hole 24 formed in the rear guide 13. The safety cover 25 is erected upright in a gap δ between the rear guide 13 and the material feeding roller 17, and a space portion 16b is formed in the material feeding device 16 for accommodating the safety cover 25 when retracted upward. Has been done.

Referring to FIG. 7, the safety cover portion will be described in detail. A boss portion 25a formed at one end of the safety cover 25.
One end of a cover shaft 26, which serves as a shaft supporting portion, is rotatably inserted into the shaft, and a pin 27 prevents the shaft from coming off. A spring (torsion spring) 28 that urges counterclockwise is wound around the outer periphery of the cover shaft 26, and hooks 28 at both ends thereof are wound.
The hook 28b of a and 28b is fitted into the hole 25b of the safety cover 25. The spring 28 is the cover shaft 2
A retaining ring 29 provided on the outer circumference of the cover shaft 26 prevents the retaining shaft 6 from coming off. Further, an engagement groove 26a for preventing slipping out is engraved on the outer periphery of one end of the cover shaft 26, and the bolt 3 screw-fitted from the outside of the rear guide 13 is provided.
Engage with the zero tip. The hole 24 of the rear guide 13 has a boss fitting hole 24 into which the boss 25a of the safety cover 25 is inserted.
a, a spring fitting hole 24b into which the hook 28a of the spring 28 is fitted, and a cover shaft fitting hole 24c into which the cover shaft 26 is inserted. When the cover shaft 26 is inserted into the hole 24, the boss 2 of the safety cover 25
Up to 5a is inserted into the hole 24. The bolt 30 is tightened at the position where the safety cover 25 and the guide surface of the rear guide 13 are in contact with each other. When the cover shaft 26 is fixed, the spring 28 is set and the safety cover 25 is attached to the rear guide 13. Therefore, the boss portion 25a of the safety cover 25 and the spring 28 are embedded in the rear guide 13.

In the above structure, when the side surface and the bottom surface of the material 31 are simultaneously processed, first, the handle 4 is turned to set the cut amount of the bottom surface of the material 31, and the front table 5 is set.
And a step is provided between the edge of the horizontal planer blade 2 and the upper surface of the front table 5. This step becomes the cut amount of the material 31.
To set the depth of cut on the side surface of the material 31, the handle 11 is also rotated to move the front guide 12 rearward, and a step is provided between the cutting edge of the vertical planer blade 9 and the guide surface of the front guide 12.

Next, a switch (not shown) is turned on to rotationally drive the horizontal planer cylinder 3, the vertical planer cylinder 10, and the material feeding roller 17. Then, the material 31 is placed on the front table 5,
By feeding the material 31 to the side of the horizontal planer 3, the material 31 is guided by the front guide 12, and the material feeding rollers 17, 17 ...
Will be sent in. When the material 31 is fed, the tip of the material 31 hits the safety cover 7, and the safety cover 7 pushes out the material 31 to rotate counterclockwise around the cover shaft 8 in FIG. The horizontal planing cylinder 3 is exposed by the amount, and the bottom surface of the material 31 is cut by the exposed horizontal planing blade 2. When the material 31 is further fed, the tip of the material 31 hits the safety cover 25, and the safety cover 25 moves the material 31.
10 is rotated clockwise around the cover shaft 26 in FIG. 10 between the rear guide 13 and the material feeding roller 17, and at this time, the safety cover 25 moves the rear guide 13 and the material feeding roller. After passing through the clearance δ between the roller 17 and the roller 17, it is retracted to the space 16b in the material feeding device 16, as shown in FIG. Then, the safety cover 25 exposes the vertical planer barrel 10 by the height of the material 31, and the side surface of the material 31 is cut by the vertical planer blade 9. During the cutting, the vertical planer blade 9 is in a state where the portion other than the height of the material 31 is covered with the safety cover 25.
When the rear end of the material 31 passes through the vertical planing blade 9 after cutting, the safety cover 25 is rotated in the opposite direction by the biasing force of the spring 28, and again covers the vertical planing cylinder 10. Therefore, since the safety cover 25 is mounted in the narrow space between the rear guide 13 and the material feeding roller 17, even if the material with a narrow width is guided by the rear guide 13, the material is fed by the material feeding roller 17. can do.

Next, the case where the feeding device is retracted and the feeding device is used by hand to cut the material by hand is shown in FIG.
1 to 13 will be described. 11 is a plan view showing a state in which the material feeding device is retracted, FIG. 12 is a right side view of FIG. 10, and FIG.
[Fig. 6] is an enlarged front view of the material feeding device with the material feeding device retracted. When used as a function of a hand-held planer, the vertical planer cylinder 10 and the material feeding rollers 17 are turned off.

First, the material feeding device 16 is retracted to the opposite table side, the clamp lever 23 is loosened, the fixed state of the column 15 and the material feeding device 16 is released, and the material feeding device 16 is reversed in the direction of arrow C in FIG. Retreat to the table side and rotate 180 degrees. In this state, the clamp lever 23 is tightened again to fix the column 15 and the material feeding device 16.

When cutting the material, the moving guide 12 is moved by the handle 11 so that the vertical planing blade 9 does not contact the material 31.
Is moved forward so that the guide surface of the moving guide 12 is flush with the cutting edge of the vertical planing blade 9 and the guide surface of the fixed guide 13. Next, the horizontal planer barrel 3 is driven to rotate, and the material 31
Is pressed against the guides 12 and 13 and fed, and is cut by the horizontal planer blade 2. At this time, when the tip of the material 31 hits the safety cover 25, as shown in FIG. 13, the safety cover 25 is pushed upward by pushing out the material 31 to expose the vertical planing barrel 10. The vertical planer cylinder 10 exposed by the safety cover 25 is hidden by the material 31, and the vertical planer cylinder 10 other than the height of the material 31 is covered by the safety cover 25, so that the hand touches the vertical planer cylinder 10 during cutting. There is nothing to do. Material 3
When the rear end of 1 passes through the safety cover 25, the safety cover 25 returns to the normal position (the position that covers the vertical planer 10) by the spring 28 as described above.

Further, the bolt 30 is loosened, and the rear guide 1
When the safety cover 25 is removed from the hole 24 of No. 3, the safety cover 25, the cover shaft 26 and the spring 28 are integrally removed. When incorporating the safety cover 25, the safety cover 25 is inserted into the hole 24 from the cover shaft 26 at a regular position, and the bolt 30 is tightened at the position where the safety cover 25 and the guide surface of the rear guide 13 contact each other to fix the cover shaft 26. , The spring 28 is set, and the attachment of the safety cover 25 is completed.

[0022]

Since the cover shaft mounting boss and the spring of the safety cover are embedded in the guide, the safety cover can be attached even if the distance between the material feeding roller and the guide is narrow. Therefore, even a narrow material can be fed by the feeding roller while being guided by the guide. Also,
Even when the material feeding device is evacuated and used as a function of a hand-held planer that uses only a horizontal planer, the vertical planer does not come into contact with a hand, so that the cutting work can be performed safely. Furthermore, when the safety cover is removed by exchanging a blade, it can be removed by simply loosening the bolt, and the spring or the like does not come off from the safety cover. Also, even when assembled, the spring can be set simply by inserting the safety cover in the proper position and tightening the bolts with the safety cover in contact with the guide surface.

[Brief description of drawings]

FIG. 1 is a front view of a two-sided right-angle planer according to an embodiment of the present invention.

FIG. 2 is a right side view of FIG.

FIG. 3 is a plan view of FIG.

FIG. 4 is a sectional view taken along line AA of FIG. 1;

5 is a cross-sectional view taken along the line BB of FIG.

FIG. 6 is a sectional view taken along line BB in FIG. 1 when a material is fed.

FIG. 7 is an enlarged view of the periphery of the vertical planer body of FIG.

FIG. 8 is a state diagram of the safety cover removed from the vertical guide.

FIG. 9 is a cross-sectional view of a rotating structure of the material feeding device.

FIG. 10 is an enlarged front view of a material fed.

FIG. 11 is a plan view showing a state in which the material feeding device is retracted.

12 is a right side view of FIG.

FIG. 13 is an enlarged front view when a material is fed with the material feeding device retracted.

[Explanation of symbols]

9 ... Vertical planer blade, 10 ... Vertical planer barrel, 12 ... Front guide, 13 ... Rear guide, 17 ... Material feeding roller, 16 ... Material feeding device, 16b ... Space portion, 24 ... Hole portion, 24a ... Boss fitting Dowel hole, 24b ... Spring fitting hole, 24c ... Cover shaft fitting hole, 25 ... Safety cover, 25a ... Boss part, 25
b ... hole, 26 ... cover shaft, 26a ... engaging groove, 2
7 ... Pin, 28 ... Spring, 28a, 28b ... Hook, 30 ... Bolt, 31 ... Material, δ ... Gap between feeding roller and rear guide.

Claims (2)

[Claims] 1. A horizontal planer having a horizontal planer is placed on a base, a front table and a rear table are arranged in front of and behind the horizontal planer, and a vertical planer blade and the vertical planer are arranged at right angles to the rear table surface. In a two-sided right-angle planer having a vertical planing cylinder for holding, a guide for supporting the vertical planing cylinder is erected on a table surface, and a rotatable safety cover for supporting the vertical planing cylinder is pivotally supported at an appropriate position of the guide. A safety cover device for a vertical planer in a right-angled two-plane planer, characterized in that a spring for urging the safety cover downward is provided on a shaft support portion of the safety cover. 2. A cover shaft is rotatably attached to the safety cover, the spring is wound around an outer circumference of the cover shaft, and one end of the spring is fitted to the safety cover.
Safety cover, cover shaft, spring are integrated,
The right angle according to claim 1, wherein the guide is provided with a boss portion fitting hole, a spring fitting hole, and a cover shaft fitting hole of a safety cover, and the cover shaft is detachably attached to the hole portion. A vertical planer safety cover device for two-sided planers.