JPH0627107U - Blade adjustment device for rotating plane - Google Patents

Abstract

(57) [Summary] [Purpose] Prevents cutting chips from clogging the operating holes of the blade adjustment screw of the rotary plane. [Structure] A plane blade 14 is slidably attached to a block 13 of a rotary plane 7, and a recess 21 is provided in a part thereof. The screw portion 22a of the blade tip adjusting screw 22 is screwed into the block, and the head 2
2b is rotatably engaged with the concave portion, and the rotation causes the plane blade to slide on the block, thereby adjusting the amount of protrusion of the blade edge. An operating hole 23 is formed in the block for rotating the blade adjusting screw. The operation hole is closed by the shielding member 24 to prevent the intrusion of cutting chips.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a blade adjusting device for a rotary plane.

[0002]

[Prior art]

 As shown in FIG. 6, a conventional rotary plane 1 has a rotatable substantially cylindrical block 2, and a plane blade 3 is attached to the block 2. The plane blade 3 is attached to the block 2 via a blade adjusting device, and the amount of protrusion from the surface of the block 2 can be adjusted by operating the blade adjusting device.

In the blade tip adjusting device, a recess 4 provided in a part of a plane blade 3 slidably attached to a block 2 of a rotary plane 1 and a screw portion 5a are screwed with the block 2, and a head portion 5b. Has a blade edge adjusting screw 5 rotatably engaged with the recess 4 and an operation hole 6 formed in the block 2 for rotating the blade edge adjusting screw 5.

When adjusting the amount of protrusion of the cutting edge, a tool (not shown) such as a screwdriver is inserted into the operation hole 6, and the tool is engaged with the head portion 5 b of the cutting edge adjusting screw 5, and the cutting edge adjusting screw 5 is moved. Rotate a predetermined amount. Since the head portion 5b is engaged with the concave portion 4 of the plane blade 3, the plane blade 3 slides with respect to the block 2 as the blade adjusting screw 5 rotates, and corresponds to the rotation amount of the blade adjusting screw 5. As a result, the amount of protrusion of the cutting edge from the surface of the block 2 is adjusted.

[0005]

[Problems to be solved by the device]

 However, since the conventional blade adjusting device for a rotary plane has the operation hole 6, the cutting chips a generated by hooking enter the operation hole 6 and accumulate to block the operation hole 6. . For this reason, when adjusting the cutting edge again, the cutting a must be scraped out from the operating hole 6, which is extremely troublesome. In addition, the work must be done near the plane blade 3, which is dangerous.

[0006]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the present invention has a recess formed in a part of a plane blade slidably attached to a block of a rotary plane and a screw portion screwed with the block, so that the head portion is A blade tip adjusting screw that rotatably engages with the recess and slides the plane blade on the block to adjust the amount of protrusion of the blade tip, and the block for rotating the blade tip adjusting screw. The configuration of the blade adjusting device of the rotary plane including the formed operation hole and the shielding member that closes the operation hole is adopted.

[0007]

[Action]

 The shielding member shields the operation hole. For this reason, chips and the like generated by hooking do not enter the operation hole.

When adjusting the blade edge, the head of the blade adjusting screw can be immediately exposed by removing the shielding member, and the blade adjusting screw can be turned. If the shielding member is integrated with the blade adjusting screw, the blade adjusting screw can be rotated by rotating the shielding member.

[0009]

【Example】

 An embodiment of a blade adjusting device for a rotary plane according to the present invention will be described below with reference to the drawings.

Embodiment 1 As shown in FIG. 2, the rotary hook 7 has a substantially columnar shape, is laterally supported, and is driven by a driving unit (not shown). The plane blade 8 is fixed around this cylindrical shape as described later, and the wood A is cut by rotating with the rotation of the rotary plane 7. A platen 9 is provided below the rotary platen 7, and a front platen 10 and a rear platen 11 are provided on the platen plate 9 so as to sandwich the rotary platen 7 from the front and rear.

The height of the front platen 10 can be adjusted by a lifting handle 12. The cut amount H of the wood A is adjusted by adjusting the height by the lifting handle 12. Then, the rotary plane 7 is rotated by the drive unit, and the wooden board A is cut by a predetermined cutting amount H by the plane blade 8. At that time, chips a are generated and scattered downward as shown.

As shown in FIG. 1, the rotary plane 7 has a substantially cylindrical block 13, a plurality of plane blades 14 fixed to the block 13, and a plurality of plane blades 14 for fastening each plane blade 14 to the block 13. A tightening device 15 and a blade edge adjusting device 16 for finely adjusting the amount of protrusion of the blade edge of each plane blade 14 are provided.

A shaft (not shown) is provided in the block 13, and the block 13 is rotated at a high speed by driving the shaft by a driving unit during hanging. The block 13 is notched in two places, and a fastening device 15 for the plane blade 14 is provided in each notch.

The tightening device 15 has a tightening plate 17, a pressing plate 18, and a tightening bolt 19 screwed to both plates 17, 18. The tightening plate 17 and the holding plate 18 are integrated by welding or the like and fixed to the block 13, and the plane blade 14 is pressed against the smooth surface 20 at the bottom of the notch of the block 13. The tightening bolt 19 penetrates the tightening plate 17 and the pressing plate 18 while being screwed together, and presses the plane blade 14 against the smooth surface 20. The plane blade 14 can be firmly fixed to the block 13 by tightening the tightening bolt 19, and the plane blade 14 can be removed from the block 13 by loosening the tightening bolt 19.

The cutting edge adjusting device 16 is for performing finer adjustment of the cutting amount, which cannot be dealt with by the adjustment of the cutting amount H by the lifting handle 12, and as shown in FIG. A recess 21 provided in a part of a plane blade 14 slidably mounted on the block 13 of the plane 7, a screw portion 22a is screwed into the block 13, and a head portion 22b is rotatable with the recess 21. Formed on the block 13 for rotating the blade edge adjusting screw 22 for adjusting the amount of protrusion of the blade edge by sliding the plane blade 14 on the block 13 by its rotation. The operation hole 23 and the shielding member 24 that closes the operation hole 23.

The concave portion 21 of the plane blade 14 is a groove provided parallel to the blade edge, and is provided on the smooth surface 20 side. The cutting edge adjusting screw 22 is formed by fixing a disk-shaped head portion 22b to a screw portion 22a formed with a male screw, and the whole thereof is inserted into the block 13 through an operation hole 23.

The operation hole 23 is a substantially cylindrical hole formed parallel to the smooth surface 20 and at a right angle to the central axis of the block 13, and the inner diameter thereof is larger than the diameter of the head portion 22 b of the cutting edge adjusting screw 22. A little big. A portion of the operation hole 23 facing the plane blade 14 is electrically connected to the inside of the notch, and the plane blade 14 shields the portion.

A female screw 25 is formed at the bottom of the operation hole 23 on the central axis of the operation hole 23. The female screw 25 extends in the block 13 in parallel with the smooth surface 20. Then, the screw portion 22a of the blade tip adjusting screw 22 inserted from the operation hole 23 is screwed with the above-mentioned female screw 25, and a part of the edge of the head portion 22b is inserted into the operation hole 23 to allow the plane blade 14 to move. When the blade edge adjusting screw 22 is rotated by engaging with the concave portion 21, the plane blade 14 is moved in the direction in which the blade edge adjusting screw 22 advances.

The head portion 22b of the cutting edge adjusting screw 22 is normally reciprocally movable in the operation hole 23 from its bottom to its middle, and the head portion 22b of the cutting edge adjusting screw 22 is moved. The shielding member 24 is inserted in the cavity on the upper side.

The shielding member 24 is a columnar body having a diameter slightly smaller than that of the operation hole 23, and is integrated with the head portion 22b of the blade adjusting screw 22. Since the operation hole 23 is shielded by the shielding member 24, invasion of the cutting chips a and the like into the operation hole 23 is prevented.

A driver groove 26 is provided on the top of the shielding member 24. A tool (not shown) such as a driver is locked in the driver groove 26 and the shielding member 24 is rotated to set the blade tip adjusting screw 22. Can be rotated in the direction of.

Next, the adjustment of the blade edge of the plane blade 14 by the blade edge adjusting device 16 will be described. In FIG. 2, the rotary plane 7 is turned so that the plane blade 14 comes to the uppermost position, and is fixed by a stopper (not shown).

Then, in FIG. 1, the tightening bolt 19 is loosened to temporarily fix the plane blade 14. Insert the driver into the driver groove 26 of the shielding member 24 and turn the blade edge adjusting screw 22. As a result, the plane blade 14 slides in the desired direction along the smooth surface 20, and the amount of protrusion of the blade tip is adjusted.

When the adjustment of the cutting edge is completed, the tightening bolt 15 is tightened to fix the plane blade 14 to the block 13. As a result, a desired hook can be hooked by the rotary hook 7. Embodiment 2 As shown in FIGS. 3 and 4, the cutting edge adjusting screw 27 has the same structure as that of the conventional one, and the head 27b thereof is provided with a driver groove 28.

The operation hole 29 is a hole having a substantially cylindrical shape similar to that in the first embodiment provided in the block 34, but the upper part thereof is opposite to the plane blade 35, and the central axis is slightly displaced from the plane blade 35. It is a hole that does not bite into 35, and a female screw 30 is formed therein. The hole communicates with the plane blade 35 by a lateral hole 40.

The shielding member 31 is a plug, a driver groove 32 is formed at one end thereof, and a male screw 33 is formed on the peripheral surface thereof. Then, the shielding member 31 is inserted into the operation hole 29, and the male screw 33 of the shielding member 31 and the female screw 30 of the operation hole 29 are screwed together, so that the operation hole 29 is shielded. The invasion of chips a and the like into the operation hole 29 is prevented. The male screw 33 of the shielding member screwed with the female screw 30 approaches the surface of the plane blade 35 to minimize the unshielded area of the operation hole 29.

The blade edge adjusting screw 27 can be operated by pulling out the shielding member 31 from the operation hole 29 while rotating it with a driver and inserting the driver into the operation hole 29.

Embodiment 3 As shown in FIG. 5, the cutting edge adjusting screw 36 has the same structure as the conventional one, and a driver groove 37 is provided in the head portion 36b thereof.

The operation hole 38 is a substantially cylindrical hole similar to that in the first embodiment. The shielding member 39 is a columnar elastic hard sponge and is removably packed in the operation hole 38. As a result, the operation hole 38 is shielded, and the intrusion of the cutting chips a and the like into the operation hole 38 is prevented.

When operating the blade adjusting screw 36, for example, a sharp tool (not shown) is used to pull out the shielding member 39 from the operation hole 38, and a driver (not shown) is used to operate the hole 38. It can be carried out by inserting into the inside.

[0031]

[Effect of device]

 According to the present invention, since the operation hole is shielded by the shielding member, it is possible to prevent chips and the like generated by hanging from entering the operation hole. Therefore, the cutting edge can be adjusted easily and quickly.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a rotary plane equipped with a cutting edge adjusting device according to the present invention.

FIG. 2 is a schematic side view showing the rotary plane together with a surface plate.

FIG. 3 is a vertical sectional view showing a second embodiment of the blade edge adjusting device.

FIG. 4 is a partially cutaway plan view of the second embodiment.

FIG. 5 is a vertical sectional view showing a third embodiment of the blade edge adjusting device.

FIG. 6 is a vertical sectional view of a conventional example.

[Explanation of symbols]

 7 ... Rotating plane 13 ... Block 14 ... Plane blade 16 ... Blade tip adjusting device. 21 ... Recessed part 22 ... Blade adjustment screw 22b ... Head part 22a ... Screw part 23 ... Operation hole 24 ... Shielding member

Claims (1)

[Scope of utility model registration request] 1. A recess provided in a part of a plane blade slidably attached to a block of a rotary plane, a screw portion screwed with the block, and a head rotatably engaged with the recess. Then
A blade tip adjusting screw that slides a plane blade on the block by the rotation to adjust the amount of protrusion of the blade tip, and an operation hole formed in the block for rotating the blade tip adjusting screw,
A blade adjusting device for a rotary plane, comprising a shielding member for closing the operation hole.