JPH054961Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention relates to a blade adjustment device for a super-finishing planer for woodworking with replaceable blades, in which a replaceable blade protruding from the material feeding surface of the knife stock is provided between each tip. Regarding the support block for attaching the back blade member to be clamped and the blade holding member, both sides of the block are protruded from both ends of the back blade member, and a moving member is moved on both sides of the block in a direction intersecting the material feeding direction. By means of a structure that allows slight movement in the material feeding direction, both the back blade member and the blade holding member move up and down both sides of the support block to adjust the degree of protrusion of the replaceable blade from the material feeding surface.

(Prior art) A support block that is seated in contact with the bottom wall of a knife stock device groove is provided with a back blade member whose slope faces the blade mouth member, and which is disposed on top of the back blade member, with the top surface almost matching the material feeding surface. A super-finishing planer for woodworking, in which a spare blade holding member is attached and a spare blade protruding from the material feeding surface is sandwiched between the tips of the back blade member and the blade holding member, was manufactured in 1986-172009. As disclosed in the publication, the support block, the back blade member, and the replacement blade holding member are integrally connected by screws, and there is no mechanism for swinging the whole, and the blade tip member is not fed. The relative protrusion amount of the replaceable blade to the upper surface of the blade member is determined by the movement of the blade to protrude or sink from the surface.

The above-mentioned movement amount of the cutting edge member is a small amount of about 0.2 to 0.4 mm, but if the material to be processed is a thin plate, it is pressed onto the cutting edge member by a feeding belt, a small pressure roll, etc. , the upper surface of the cutting edge member is higher or lower than the level of the material feeding surface, and after cutting, the upper surface of the cutting edge member moves on almost the same level as the material feeding surface, which is composed of the blade holding member, so the upper surface is exaggerated in Fig. 6. As shown in Fig. 7, there is a drawback that the bending causes parts to be cut less or more than the specified amount of cutting, and thick workpieces such as pillars have the disadvantage that the leading edge is curved as shown exaggeratedly in Figure 7. There is a drawback that the portion and the rear end portion may be cut more or less than the planned cutting amount.

(Problems to be solved by the present invention) The present invention has a disadvantage in that the blade height adjustment device of the conventional super-finish planer using replaceable blades is performed exclusively by adjusting the height of the blade member. Considering that it is not possible to adjust the amount of protrusion of the replaceable blade to the material feeding surface by itself like in the case of conventional thick planer blades, both sides of the support block are attached to the cutting edge member. This problem is attempted to be solved by a structure that protrudes in the direction.

(Means for Solving the Problems) The present invention is aimed at specifically solving the above-mentioned problems, and is based on a super finishing planer for woodworking that was made public by Utility Model Application Publication No. 102006/1983. In the board, both sides of the support block that are perpendicular to the material feeding direction protrude from both sides of the back blade member, and a first slope is provided on the lower surface of the protrusion, and the pieces intersect with the material feeding direction in contact with the upright wall surface near the lower surface of the cutting edge member. A second slope in contact with the first slope is provided on the moving member whose movement in the direction to be controlled is provided, and a tapered surface in a direction intersecting the material feeding direction is provided on the corresponding joint surface of the vertical wall surface and the moving member. The support block is characterized by moving the second slope in contact with the first slope back and forth in the material feeding direction by controlling the movement of the movable member to expand or reduce its biting. and moves the back blade member, the replaceable blade holding member, and the replaceable blade up and down.

A preferred embodiment of the invention is described in the following section.

(Example) Fig. 1 shows an example of a replaceable blade type super-finishing planer 1 for woodworking, in which an elevating material table 2 is provided on the frame.
A circular knife stock 4 shown in FIG. 2 is fitted into the table, a device groove 5 is provided in the knife stock 4, and vertical wall surfaces 7, 7a and a bottom wall in the material feeding direction are provided in the device groove as shown in FIG. 8 is formed, and arcuate planar material feeding surfaces 9, 9 are provided before and after the device groove 5, the height of which is the same as that of the material feeding surface 3 of the lifting table 2.
A cutting edge member 10 whose upper surface is aligned with the material feeding surfaces 9, 9 is fixed to the upper part of the vertical wall surface 7 on the front side in the material feeding direction with screws 10a as shown in FIG. 3.

The bottom wall 8 is provided with a step surface 8a, and a support block 11 is seated in contact with the corner of the step surface 8a on the rear side in the material feeding direction. The inclined surface 14 provided on the back blade member 12 is attached to the blade mouth member 10.
to face. Reference numeral 15 denotes a replaceable blade holding member that covers the tip of the back blade member 12 and is attached to the support block 11 with a screw 16, and its upper surface is a contact surface 17 for the workpiece that almost matches the material feeding surfaces 9, 9. The trapezoidal cover plate 18 covering the head of the screw 16 is pulled out and freely inserted into the contact surface.

A replaceable blade 19 is sandwiched between the respective tips of the back blade member 12 and the replaceable blade holding member 15, and is made to slightly protrude from the material feeding surfaces 3, 9, 9.

The present invention is based on the above-mentioned known structure, and the support block 11 has two side pieces 21 and 21 perpendicular to the material feeding direction.
protrude from both sides of the back blade member 12 to near the blade mouth member 10 as shown in FIGS.
A first slope 22 extending in the direction is provided. As a result, the support block 11 assumes a U-shape as shown in FIG. A moving member 23 is disposed on the lower surface of the cutting edge member 10, and has a right-angled surface in contact with both the vertical wall surface 7 and the stepped surface 8a, and whose movement in a direction intersecting the material feeding direction is controlled. 23 is provided with a projecting piece 25 having a second slope 24 that contacts the lower surface of the first slope 22, and this projecting piece 25 is connected to the step surface 8.
Contact it on a. Tapered surfaces 26 and 27 are provided on contact surfaces between the moving member 23 and the vertical wall surface 7. The movement of the moving member 23 is controlled by setting pins 29, 29 protruding from the step surface 8a in a notch 28 formed at one side end of the moving member 23, and inserting the pins 29, 29 into the screws 32. Knob 3 with groove 34
3 is fixed, and a screw 32 is screwed into a screw hole 35 provided in the movable member 23.

FIG. 5 shows another embodiment of the movement control mechanism for the movable member 23, in which a fixing protrusion 36 protruding from the stepped surface 8a is provided in a notch 28 formed at one side end of the movable member 23. Provided with a long hole 3 in the material feeding direction.
7 is provided, and the screw 32 with the knob 33 and the snap spring 38 applied to both sides of the elongated hole 37 is inserted into the moving member 23.
It has a structure in which it is screwed into the screw hole 35 of.

(Function) In the present invention, in the device groove 5 of the knife stock 4,
Both side pieces 2 of the support block 11 on which the weight is suspended
The sliding action of the first slopes 22 of Nos. 1 and 21 pushing against the second slope pushes the movable member 23 in the direction of the vertical wall surface 7, but when the screw 32 is rotated, the movable member 23 slides between the tapered surfaces 26 and 27. The second slope 24 is moved in the direction crossing the material feeding direction, and at the same time is slightly moved in the material feeding direction, so that the second slope 24 bites into the lower surface of the first slope 22 more (Fig. 4), or the support block It escapes with a weight of 11 (Figure 3). For this reason, the support block 11 slightly moves up and down using the corner of the stepped surface 8a as a fulcrum, and the replaceable blade 19 sandwiched between the respective tips of the back blade member 12 and the replaceable blade holding member 15 is moved to the material feeding surface 3, 9.Protrude more than 9 or reduce the degree of protrusion.

(Effects) Conventionally, the degree of protrusion of the replaceable blade was adjusted by moving the blade member up and down, but the present invention eliminates the drawbacks shown in Figs. 6 and 7 by moving the blade member up and down to adjust it.
When the movement of the moving member 23 is controlled, the tapered surface 2 provided on the corresponding joint surface of the vertical wall surface 7 and the moving member 23
6 and 27, the moving member 23 is moved in a direction crossing the material feeding direction, and also moved in the material feeding direction,
Both side pieces 21 of the support block 11 of the second slope 24,
The blade 19 is actively moved up and down by increasing or decreasing the biting into the first slope 22 of the blade 21 to adjust its height.
21 makes it possible to stabilize the swinging of the support block.
Since the lower surface of the support block 11 and the like can be made irrelevant to the fall of the planer chips, it is possible to easily swing the support block 11 and the like in the material feeding direction.

[Brief explanation of the drawing]

The attached drawings show an embodiment of the present invention, and FIG. 1 is a side view of a super-finishing planer for woodworking, FIG. 2 is a plan view of a knife stock, FIGS. 3 and 4 are cut side views of the same, and FIG. is a side view of another embodiment. 6th
7 are explanatory diagrams illustrating the drawbacks of the conventional planer board. 1...Super finishing planer for woodworking, 4...Knife stock, 5...Device groove, 7, 7a...Vertical wall surface,
8... Bottom wall, 10... Blade mouth member, 11... Support block, 12... Back blade member, 15... Spare blade holding member, 19... Spare blade, 21... Both side pieces, 22...
1st slope, 23... moving member, 24... 2nd slope.

Claims (1)

[Scope of Claim for Utility Model Registration] A support block member is seated on the bottom wall of the groove of the knife stock device, a back blade member whose slope faces the blade mouth member on the support block, and a back blade member disposed on the top of the back blade member. In a super-finishing planer for woodworking, which comprises a replaceable blade holding member attached to a support block and whose upper surface almost matches the material feeding surface, and a replaceable blade is sandwiched between each tip of the back blade member and the blade holding member. , Both side pieces that are substantially perpendicular to the material feeding direction are protruded from the support block on both sides of the back blade member, and a first slope is provided on the lower surface of the projection, and the pieces are in contact with the upright wall surface near the lower surface of the cutting edge member and are parallel to the material feeding direction. A second slope in contact with the first slope of the movable member whose movement in the intersecting direction is controlled.
A blade adjustment device for a replaceable blade type super-finish planer for woodworking, characterized in that a slope is provided and a tapered surface intersecting the material feeding direction is provided on the corresponding joint surface of the vertical wall surface and the movable member.