JPH1044001A - Polishing device for cutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a polishing angle equal to a cutting edge angle by representing the relative position between the roller shaft center and the head junction of a positioning component using relative relation between the dimension scale along the length of a cutter and the angle scale of the cutting edge, and by determining the relative position between the roller shaft center and the head junction according to the value indicated in the angle scale. SOLUTION: A side stopper is moved and fixed so that width of a cutting edge in its scale is corresponding to that of the side surface of a body 11. A fine adjustment screw 24a is operated to fit the guide-pin 12j of a indicator to value 0 of a reference position scale 11y. A head stopper 30 and a coarse adjustment mechanism are made movable. Each reading of the length scale 30e and the angle scale 18d of the cutter base is adjusted to the cutter size, the head stopper 30 and a coarse adjustment flame are fixed, and a polishing angle is previously set to the cutter base angle of the cutter 1. The head and sides of the cutter 1 are positioned and the cutter 1 is fixed to the cutter rest 11z using a screw 34c. In this way, the polishing angle can be adjusted with more accuracy.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blade polishing apparatus suitable for polishing a blade used in, for example, woodworking equipment.

2. Description of the Related Art A blade used in a woodworking machine has a sharpened cutting edge as it is used and requires polishing. In order to polish the blade by hand, in the polishing work by reciprocating motion on the grindstone, it was required to keep the angle of the blade with respect to the grindstone constant, and a highly skilled technique was required. . Various polishing apparatuses aiming at keeping the angle of the blade with respect to the whetstone constant have been conventionally proposed. Examples thereof include JP-A-47-18095, Japanese Utility Model Laid-Open No. 1-92354, Japanese Utility Model Application No. 4-36171 by the inventor of the present invention, and the like.

As a conventional example, FIGS. 31 and 32 show a polishing apparatus proposed in Japanese Utility Model Application No. 4-36171. This means that the polishing apparatus 100 and the blade holding plate 102
By pressing against the blade fixing base 101 at 3 and 104,
A blade mounting means for fixing the blade 113 to the blade fixing base 101, a roller 107 rotatably supported by a roller support frame 109 rotatably supported on the blade fixing base 101 by screws 111, and a rear side of the blade fixing base. The adjusting screw 102 screwed to the roller supporting frame 109 and the adjusting screw 11
2 is constituted by a spring 110 which is in pressure contact with the spring 2.

Further, in addition to this configuration, a configuration has been proposed in which a stopper 116 and a side regulating screw 106 whose position can be adjusted are provided, and positioning is performed when the blade 115 is mounted on the blade fixing base 101. In the above-described polishing apparatus 110, rough adjustment of the polishing angle is performed by:
With the bolts 103 and 104 loosened,
1. The position of the blade 115 with respect to
And a ruler 104 attached to a roller 107 with a polishing surface 115a
And the blade 115 is fixed to the blade fixing base 101 by tightening the bolts 103 and 104. Thereafter, the ruler 114 is visually checked using the ruler 114 so as to match the ruler 114 with the polishing surface 115a. By rotating the adjusting screw 112 to change the position of the roller 107, the medium precision adjustment of the polishing angle is performed. Further, the adjusting screw 112 is adjusted while watching the contact with the grinding stone surface, so that the polishing angle is adjusted with high accuracy.

[Problems to be solved by the invention]

[0004] There are various types of plane blades, for example, the outer dimensions in the longitudinal direction range from about 60 mm to about 120 mm. The knives polishing apparatus is required to be versatile, and it is desired that the knives can be mounted on the knives and the polishing angle can be adjusted without any trouble by applying to such knives of various dimensions. When the polishing apparatus 100, which is an example of a conventional polishing apparatus, is applied to blades of various dimensions, rough adjustment of the polishing angle is performed by applying a ruler to a roller and a blade so that the ruler comes into contact with the polishing surface. It is necessary to move the blade while moving it, making it difficult to work, and even if this work is performed and the position of the blade with respect to the blade fixing base is determined, the posture of the blade changes with the tightening of the bolt, and the polishing angle decreases. There is a problem, such as a change, caused by performing the work of adjusting the polishing angle in combination with the work of mounting the blade.

[0005] In addition, there is a situation where the state in which the blade is attached is out of the range of the roller adjustment mechanism for adjusting the polishing angle, and the polishing apparatus is not adapted to the blade.
There is a problem that a trial and error operation that repeats mounting and removing the blade is required. In addition, after the above rough adjustment of the polishing angle, it is necessary to further adjust the medium precision of the polishing angle by using a ruler or the like, and there is a problem that the adjustment is troublesome. As described above, in the polishing apparatus 100, there are problems in attaching a blade to the polishing apparatus, adjusting a polishing angle, and the like. These problems are particularly noticeable when the polishing apparatus is applied to blades of various dimensions. These problems also exist in other conventional polishing apparatuses in substantially the same manner, and there is room for improvement in the versatility required for the polishing apparatus.

SUMMARY OF THE INVENTION An object of the present invention is to solve these problems of the conventional blade polishing apparatus, and to efficiently mount the blade, adjust the polishing angle, and perform the polishing operation with a simple operation. An object of the present invention is to provide a blade polishing apparatus capable of finishing a blade excellent in cutting performance, particularly exhibiting this effect remarkably when applied to polishing of blades of various sizes.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and a blade polishing apparatus according to the first invention has
Blade mounting means for mounting the blade, a roller, front-rear positioning means including a positioning member with which the head of the blade is brought into contact, a length dimension scale representing the length of the blade, and a blade edge of the blade A part where the head of the blade is in contact with the positioning member is called a head contact part, and the length scale and the angular scale of the blade part are provided. Either one is provided on the member on the side of the head contact portion, and the other is provided on the member on the side of the roller axis, and the relative positional relationship between the roller axis and the head contact portion is the dimension in the length direction. It is expressed in the relative relationship between the scale and the angular scale of the cutting edge, and the roller shaft is displayed in accordance with the display value of the longitudinal dimension scale corresponding to the dimension value of the blade and the displayed value of the angular scale of the cutting edge. To determine the relative position of the core and the positioning member Ri, polishing angle is configured to match the angle of the corner of the cutting edge of the blade.

According to a second aspect of the present invention, there is provided a blade polishing apparatus, comprising: a main body; a blade mounting means for mounting the blade on the main body; a roller; a roller position adjusting means for adjusting a position of the roller relative to the blade mounting means; It represents the dimensions of the blade, which directly or indirectly indicates the positional relationship between the blade positioning means and the blade positioning means and the main body or the roller, which determines the position of the blade to be mounted on the blade mounting means, comprising the mounted positioning member. A scale is provided, and a display value on the scale according to the size of the blade is configured to represent a position of the positioning member with respect to the main body, which is suitable for the blade having the size of the display value.

A polishing apparatus according to a third aspect of the present invention is a polishing apparatus, comprising: a main body; blade mounting means for mounting a blade on the main body; a roller; roller position adjusting means for adjusting the position of the roller with respect to the blade mounting means; Width direction positioning means for determining the position in the direction substantially the same as the rotation axis of the roller of the blade to be moved, and the width direction positioning means moves in the direction substantially the same as the direction of the rotation axis of the roller, which is on one side surface of the blade. It is constituted by a width direction positioning member which is attached to the main body as possible.

According to a fourth aspect of the present invention, there is provided a blade polishing apparatus, comprising: a blade mounting means for mounting the blade; a roller; and a roller position adjusting means for adjusting a position of the roller with respect to the blade mounting means.
A front-rear positioning means comprising a positioning member with which the head of the blade is in contact is provided. The direction is almost the same as the direction of the intersection line.

A blade polishing apparatus according to a fifth aspect of the present invention includes a main body, blade mounting means for mounting the blade on the main body, a roller, and roller position adjusting means for adjusting the position of the roller with respect to the blade mounting means. Is constituted by a coarse adjustment mechanism as a first adjustment means and a fine adjustment mechanism as a second adjustment means.

A blade polishing apparatus according to a sixth aspect of the present invention includes a main body, blade mounting means for mounting the blade provided on the main body, a roller, and roller position adjusting means for adjusting the position of the roller with respect to the blade mounting means. The main body is composed of two side portions that have a U-shaped portion and are substantially perpendicular to the surface of the blade attached to the blade mounting means, and the blade mounting means is provided on the groove wall portion of the U-shaped portion. The blade receiving means is provided with a blade pressing means provided on a member connecting the blade receiving part and the groove wall side facing the blade receiving part.

According to a seventh aspect of the present invention, there is provided a blade size measuring instrument which rotates an angle scale plate provided with an angle scale and a polishing surface contact end on a length scale plate provided with a stopper, a length scale and a tool surface contact end. The length scale plate and the angle scale plate are configured to be freely and slidably mounted so that the length dimension of the blade and the angle of the edge of the blade edge of the blade are displayed based on the positional relationship between the length scale plate and the angle scale plate.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the description of the embodiment, many items relating to the cutting tool will be referred to.
Will be described as an example. 1a is a polishing surface, 1b is a cutting edge surface,
1c is a side surface, 1d is a head, 1e is a barb, 1f is a blade edge, 1g is a blade surface, 1h is a blade surface, and 1i is a curved portion. The angle formed between the polished surface 1a and the cutting edge surface 1b is called a cutting edge angle, and its value is represented by ω. The supplementary angle of the angle formed between the polished surface 1a and the blade surface 1g is called a blade angle and is represented by a value φ. The bevel angle and the bevel angle are collectively referred to as the angle of the bevel. The blade tip surface 1b and the blade base surface 1g are collectively referred to as a blade surface. In the knife of plane, in general,
Values of around 28 degrees and around 26 degrees are adopted as the blade angle ω and the blade angle φ, respectively. As described above, in the normal cutting tool 1, the cutting edge surface 1b and the cutting edge surface 1g form an angle, and the cutting edge 1f extends from the head d.
It has a wedge shape with a reduced blade thickness. This is called a blade thickness wedge shape.

The same direction as the cutting edge 1f or the cutting edge 1h is referred to as the width direction of the cutting edge, and the direction perpendicular to the cutting edge 1h and the direction of the line included in the cutting edge surface 1g is referred to as the length direction of the cutting edge. The outer dimension in the width direction is called a blade width, and its value is represented by w. In addition, the dimension from the head 1d to the cutting edge 1f is referred to as a cutting edge length, the value of which is represented by n, the dimension from the head 1d to the cutting edge 1h is referred to as a cutting edge length,
The value is represented by m, and these are collectively referred to as a lengthwise dimension of the blade. The edge angle ω, the edge angle φ, the edge length n, the edge length m, and the edge width w are collectively referred to as the dimensions of the blade.

The line of intersection between the polished surface 1a and the cutting edge 1c is the cutting edge 1f.
Becomes Therefore, by polishing the polishing surface 1a, the blunted cutting edge 1f can be sharpened. The essential points for sharpening the dull cutting edge 1f by polishing will be described. Polishing of the blade 1 is performed by pressing the polishing surface 1a against the grindstone surface of the grindstone and causing relative movement between the two. In the following description, the angle between the blade base surface 1g and the grindstone surface is called a polishing angle, and the value is represented by θ.

In order to efficiently obtain a sharp blade edge 1f by polishing, it is desirable to make the polishing angle coincide with the already formed blade angle φ, that is, to bring the polishing surface 1a into close contact with the grindstone surface 3a. The polishing operation is continued until the blunted blade edge 1f is polished.
, The required polishing amount is minimized, and the polishing operation is performed efficiently. If polishing is performed without making the polishing angle θ coincide with the blade angle φ, problems such as a long polishing time and a change in the blade angle occur. The polishing angle matched to the blade angle φ is called a forward polishing angle, and its value is represented by θj. A polishing operation performed at a normal polishing angle is referred to as a normal polishing.

Next, in order to form a sharper cutting edge 1f, polishing using a finishing whetstone having fine abrasive grains is performed. There is a problem that polishing work with a finishing whetstone requires a long time due to low polishing force. As a method for solving this problem, θ is increased by a small additional polishing angle Δθ, and the vicinity of the cutting edge 1f is increased. Is effective in polishing by contacting with a grinding stone. The value of the additional polishing angle Δθ is preferably about 1 degree. The increased polishing angle is called a finishing polishing angle, and its value is represented by θf. Therefore, Equation 1 holds between θf, θj, and Δθ.

(Equation 1) According to this method, an extremely sharp cutting edge is formed by the reciprocating operation about 10 times on the grindstone, and the efficiency of the polishing operation is improved. Carry out woodworking work and make the blade 1
When f is worn, re-polishing is required. However, if the polishing is performed at the previous finishing polishing angle, the sharp cutting edge is revived by the reciprocating polishing operation of about 10 times, and the efficiency of the woodworking operation is greatly improved. However, in order to realize this, it is an essential condition that the last finish polishing angle can be accurately reproduced in reattaching the blade 1 to the polishing apparatus. The polishing work performed at the finish polishing angle is called finish polishing.

An embodiment of the present invention will be described below in detail with reference to the drawings. As shown in FIGS. 1 to 20, a polishing apparatus 10 as an embodiment of the present invention has the following configuration. In the present specification, the surface of the polishing apparatus 10 that is perpendicular to the rotation axis 38 (described later) of the roller and the blade receiving portion 11
The direction of the line of intersection of the plane created by z (described later) is called the front-back direction,
The front side, that is, the right side in FIG. 1 is referred to as the front, and the rear side, that is, the left side in FIG. Further, the same direction as the rotation axis 38 of the roller is referred to as a width direction. The definition of the polishing angle θ is as follows when the blade 1 is attached to the polishing apparatus 10.
That is, as shown in FIG.
The angle between the tangent drawn at 1 (described later) and the blade base surface 1g is called a polishing angle, and the angle is θ. As will be described in detail later, a surface orthogonal to the roller rotation axis 38 and bisecting the width direction of the roller 21 is referred to as a width direction bisecting surface 39. It is referred to as a roller shaft center 21d.

As shown in FIG.
Reference numeral 1 denotes a main body formed by subjecting a stainless steel plate to welding or caulking. The body 11 is the side 1
The side portion 11a and the side portion 11b are made of a stainless steel plate having a thickness of 3 mm, and the upper portion 11c and the back portion d are made of a stainless steel plate having a thickness of 2 mm. Has been adopted. The upper surface portion 11c is provided with a knife fixing female screw 11e and a hole 11f, and the rear surface portion 11d is provided with a fine adjustment female screw 11g and a spring hooking hole 11h.
1i is provided, and the indicator pin 111 is planted.

A U-shaped portion 11t is provided on the side surface portion 11a, and a side stopper guide groove 11j, a burring relief 11k, and a blade receiver 11v are arranged at an end along the inner edge thereof. 11x is a main slot, 11m is a slot, and the extending direction of these slots is the same direction as the blade receiver 11v. As shown in FIG.
1b is provided with a U-shaped portion 11u, and a side stopper guide groove 11n, a burring relief 11o, and a blade receiver 11w are arranged at an end along an inner edge thereof. 11
r is a main slot, 11s is a slot, and the direction of extension of these slots is the same as that of the blade receiver 11w. 11
q is a female screw, and 11p is a guide pin. 11y is a reference position scale indicating the position of the fine adjustment mechanism in which one scale is cut at a pitch of 1.27 mm, and zero indicates a reference position. Both ends of the main elongated holes 11x and 11r have a semicircular shape, and the distance between their centers is about 36 mm. Similarly, the distance between the centers of the long holes 11m and 11s is about 6 mm.

The blade receivers 11v and 11w are collectively referred to as a blade receiver 11z. As described above, the direction of the intersecting line between the surface orthogonal to the roller rotation shaft 38 and the surface formed by the blade receiving portion 11z is defined as the front-back direction. Therefore, the long hole 11
The extension directions of n, 11s and the main elongated holes 11x, 11r can be said to be the front-back direction. The blade mounting means for mounting the blade 1 to the polishing apparatus 10 includes a blade receiving portion 11z including blade receiving portions 11v and 11w provided on a groove wall portion of a U-shaped portion of both side portions 11a and 11b, and the blade 1 is mounted on the blade receiving portion 11z. Cutter, knife receiver 11
z, a member for connecting the groove wall portions facing the z, that is, the upper surface portion 1
The blade 1c is provided with a blade press-contact means including a blade fixing screw 34 screwed into the female screw 11e. As shown in FIG. 6, the blade fixing screw 34 includes a male screw 34a having a right-hand thread and a knob 34b.

The blade 1 placed on the blade receiving portion 11z is pressed by the blade fixing screw 34, pressed against the blade receiving portion 11z, and fixed to the polishing apparatus 10. Accordingly, a force acts between the blade receiving portion 11z and the female screw 11e, but in order to obtain a sufficient pressing force, the two exert a reaction force of the pressing force acting on the connecting member connecting them. They must be connected by strong members that are sufficient to support them.
On the other hand, since the blade 1 is placed between them, this member is the blade 1
It is necessary to detour, and the shape of the member is forced to adopt a square shape or a U shape.

In this embodiment, a U-shape is adopted, but the main body 11 is formed by a side surface 11a provided along a plane orthogonal to the plane of the blade of the blade 1 pressed against the blade receiver 11z. , 11b so that the pressing force acts along both side surfaces. In general, the member shows a large proof stress against the force acting along the surface, but in this embodiment, a stainless steel plate having a thickness of 3 mm is further adopted for both side portions 11a and 11b, and practically sufficient strength is realized. I have.

The blade receiving portion 11z is an end surface of the side portions 11a and 11b having a length of about 25 mm and provided along the front and rear direction. Along with a width of 25 mm along the edge of the cutting edge 1b.
Is stably supported in the front-rear direction, and the blade 1 is pressed against the blade surface 1b by the blade fixing screw 34 provided at a position bisecting the width direction. The pressing force acts on three points, one point on the surface 1b side and two points on the blade base surface 1g side at a distance of 27 mm, and the advantage that the cutting tool 1 can be stably mounted in the width direction is obtained. . Thus, the knife 1
In terms of the stability of attachment to the polishing apparatus 10,
The advantage of the configuration in which the main body 11 is constituted by both side surface portions 11a and 11b and the blade receivers 11v and 11w are provided on the end surfaces is exhibited.

The form in which the polishing apparatus is attached to the blade 1 is ideally a contrast with respect to the width direction bisection plane 39 in that the pressing force against the grindstone during polishing is uniform in the width direction of the blade. I have. This is possible even in the configuration of the conventional polishing apparatus 100 shown in FIG. 32 and the like, but has a drawback that the apparatus becomes large in size because the structure for pressing the blade 1 is square-shaped. In the polishing apparatus 10, the main body has a U-shape as shown in FIG. The problem of this method is that the U-shaped groove needs to be deepened in order to be applicable to a blade having a large dimension in the length direction of the blade 1 and to increase versatility. Is required. In the polishing apparatus 10, as described above, the strength problem is solved by forming the main body 11 from the two side portions 11a and 11b. Has been realized.

The blade receiving portion 11z can adopt various shapes other than the configuration of the embodiment. For example, the entirety of the blade receiving portion 11z is a flat surface, and the blade receiving portion 11z is formed of a plurality of protrusions.

In the plane, it is common practice to adjust the degree of protrusion of the blade tip 1f from the plane of the plane by hitting the head 1d with a hammer. Due to this, the head 1d is deformed,
A burr 1e having an indeterminate shape occurs. In the polishing apparatus 10, the state in which the blade 1 is attached to the main body 11 corresponds to the width direction 2.
The main body 11 has a U-shape, and the cutting tool 1 is mounted such that its head 1d is located on the bottom side of the U-shaped groove. .

If the burr 1e comes into contact with the main body 11 when the blade 1 is mounted on the polishing apparatus 10, problems such as unstable mounting and inaccurate setting of the polishing angle occur. In the present embodiment, on the side surfaces 11a and 11b, on the groove bottom side of the U-shaped grooves of the blade receivers 11v and 11w, burrs 11k and 11o are provided, and the influence of the burrs 1e having an uncertain shape is provided. 1g without cutting
Can be engaged with the blade receiving portion 11z, so that the blade can be stably and accurately attached to the polishing apparatus 10.

In this embodiment, the side surfaces 11a and 11b are configured so that their surfaces are perpendicular to the blade base surface 1g of the blade 1, but the perpendicularity is not strict and has an angle of about 30 degrees. Even with such a configuration, an effect similar to that of the present embodiment can be obtained. Further, both side portions 11a and 11b in the embodiment are provided.
Although each surface is a single surface, an effect similar to that of the present embodiment can also be obtained by forming a plurality of surfaces by bending or the like. Furthermore, it is also possible to form both side surfaces by bending a single sheet metal into a channel shape.

The polishing apparatus 10 is provided with blade positioning means for determining the position of the mounted blade 1 with respect to the polishing apparatus 10. The blade positioning means is the blade 1 to be mounted.
The polishing apparatus 10 includes a width direction positioning means for determining a position in the width direction, and a longitudinal direction positioning means for determining a position in the longitudinal direction. The purpose of the blade positioning means is to attach the blade 1 to the polishing apparatus 10 when the blade 1 is mounted.
The blade 1 can be adapted to a suitable position of the polishing apparatus 10 only by mounting the blade 1 in contact with the blade positioning means. It is to reproduce. Regarding the adaptation of the former polishing apparatus to the blade 1, even in application to blades of various dimensions, after the blade 1 is mounted, it is almost as it is without performing trial-and-error adjustment like a conventional polishing apparatus. This means that the polishing apparatus 10 is set to a state where it can be shifted to the polishing operation. The polishing apparatus 10 is provided with positioning means in the width direction and the front-rear direction and a scale representing the dimensions in the blade width and length directions. 10 can be adapted to the blade 1.

First, the width direction positioning means will be described. As shown in FIGS. 2, 3, and 6, reference numeral 27 denotes a positioning member in the width direction positioning means, that is, a side stopper. , 27b are slide arms, and 27c is a slot provided along the slide arm 27b.

Reference numeral 28 denotes a plate nut, and reference numeral 28a denotes a female screw formed with a right-hand thread. Reference numeral 29 denotes a side stopper fixing screw, which is a male screw 29 having a knob 29a and a right-hand thread.
b. The slide arm 27b is guided by the side stopper guide grooves 11j and 11n so as to be slidable in the width direction, and the male screw 29b has the hole 11f and the long hole 27.
c and is screwed into the female screw 28a. The side stopper guide grooves 11j and 11n are the side surfaces 11a and 11b.
The distance between both guide grooves is 30mm
Therefore, the width of the slide arm 27b is about twice as large as 16 mm, and the slide arm 27b can be stably guided in a slidable state.

Since the plate nut 28 is engaged with the side stopper guide grooves 11j and 11n, it does not rotate even if the knob 29b is rotated. When the knob 29b is rotated clockwise, the slide arm 27b sandwiched between the plate nut 28 and the main body 11 is
Pressed and fixed. When the knob 29b is rotated in the counterclockwise direction, the slide arm 27b is released from being pressed against the main body 11 by the plate nut 28 and moves in the width direction within a range in which the movement is restricted by the male screw 29a passing through the elongated hole 27c. Can be moved.

The width direction positioning means includes a blade width scale 2
Side stopper setting means comprising 7d and its indicator 11a is provided. As shown in FIG. 14, the side surface 1c of the blade 1 is positioned by being brought into contact with the positioning portion 27a.
7e. The blade width scale and its index are provided on two members whose relative position changes when the position of the side contact portion is changed among the members from the side contact portion to the blade attaching means. Can be. Therefore, the blade width scale can be provided on the side stopper 27 which is a member on the side surface contact portion 27e side, or can be provided on the main body which is a member on the blade attaching means side. A case will be described in which the blade width scale 27d is provided on the side stopper 27 and the index by the side surface 11a is provided on the main body, which is the configuration of the embodiment.

When the distance between the blade width display point 27f of the blade width scale 27d and the side contact portion 27e is z, the blade width is w, and e is a constant,

(Equation 2) The blade width scale 27d is formed by providing a display scale for the blade width w at the position of the blade width display point 27f so that the following relationship is established. The constant e is a width-wise bisection plane 39
And the index of the blade width scale 27d. In the case of the polishing apparatus 10, since the surface of the side surface 11a of the main body 11 is set as the index, e = 15. For example, w =
In the case of 75, z = 22.5 is obtained from Equation 2, so that 75 display scales are provided at a position 22.5 mm from the side surface contact portion 27e. In this way, the blade width scale 27d is formed by obtaining z for all applicable blade widths. In this manner, the blade width scale 27d and its index are provided, and the indicated value on the blade width scale 27d indicates the position of the side stopper 27 with respect to the main body 11 that is suitable for the blade having the size of the indicated value. By adjusting the displayed value of the blade width w of the blade 1 to the side surface 11a of the index, the side stopper 27 is adapted to the blade 1, that is, the side surface 1c of the blade 1 is brought into contact with the side stopper 27. Then, the blade 1 can be brought into a state where it is positioned at a preferable position of the polishing apparatus 10.

When the blade width scale is provided on the main body which is a member on the blade mounting means side, and the index is provided on the side stopper side which is a member on the side contact portion side, the width direction dividing plane 39 is provided. And z, e is the distance between the blade width scale and the blade width display point.
Is a constant, Equation 2 is similarly established between the blade widths w and z. At this time, e is the distance between the index and the side contact portion.
Becomes

As shown in FIG. 14, the side stopper 27
The blade width scale 27d corresponding to the blade width w
Is adjusted to the surface of the side surface portion 11a as an index, the knob 29b is rotated clockwise, the side stopper 27 is fixed to the main body 11, and the blade 1 is brought into contact with the side surface 1c against the positioning portion 27a. When attached to the polishing apparatus 10, the center line 1k in the width direction of the blade substantially matches the width direction bisecting surface 39. As a result, the front-back direction of the polishing apparatus 10 and the length direction of the blade 1 substantially match. The direction of movement of the side stopper 27 is the same as the direction of the width, that is, the direction of the rotation shaft 38 of the roller, but this is not strict, and even if the direction is different by about 15 degrees in accordance with the spirit of the present invention. By realizing the configuration, substantially the same effect can be obtained.

Next, the longitudinal positioning means will be described. As shown in FIG. 1 and the like, reference numeral 30 denotes a positioning member, ie, a head stopper, in the front-rear positioning means,
A slide arm portion 30b formed by applying a process such as bending to a sheet metal made of stainless steel and provided with a long hole 30c;
Positioning part 30 provided at a bent part in a right angle direction
a, a scale section 30d.

Reference numeral 31 denotes a head stopper fixing screw, which comprises a male screw 31a having a right-hand thread and a knob 31b. The male screw 31a is penetrated by the long hole 30c,
It is screwed into the female screw 11q. The elongated hole 30c is movable by being guided by the guide pin 11p and the male screw 31a. When the knob 31b is rotated clockwise, the slide arm 30b is pressed against and fixed to the side surface 11b of the main body 11 by the knob 31b. The section stopper 30 can be moved.

The moving direction of the head stopper 30 is determined by the guide pin 11p and the male screw 31a and is the front-back direction, and the movable distance is 30 mm. The blade length scale 30e provided in the scale portion 30d indicates the blade length m of the blade 1, and the unit is (mm). The same degree of the movement direction of the head stopper 30 in the front-back direction is not strict, and if it is within ± 20 degrees, it can be regarded as substantially parallel, and the effects of the invention can be obtained.

A roller position adjusting means for adjusting the position of the roller 21 with respect to the blade attaching means is provided.
The roller position adjusting means includes a coarse adjusting mechanism as a first adjusting means and a fine adjusting mechanism as a second adjusting means, which will be described.

Reference numeral 12 denotes a first member constituting the roller position adjusting means, that is, a fine movement frame, which is formed by subjecting a stainless steel plate to bending or the like as shown as a part in FIG. Is a long hole 12
f has a long hole 12h and a guide pin 12g in the side surface portion 12b.
However, a side hole 12j and a guide pin 12i
However, the spring hook portions 12d are provided with spring hook holes 12k and 12n, respectively. 12e is a fine adjustment screw receiving portion.

The guide pins 12g and 12i are slidably engaged with the elongated holes 11m and 11s, respectively.
i also serves as an index of the reference position scale 11y. Before the guide pins 12g and 12i are attached to the fine movement frame 12, the two side surfaces 1
1a, 11b, guide pins 12g, 12i penetrate through elongated holes 11m, 11s, and are attached to fine movement frame 12 by caulking. The reference position setting means comprises reference position display means for displaying a reference positional relationship between the fine movement frame 12 and the main body 11 whose relative positions change in the fine adjustment mechanism. The reference position display means includes a guide pin 12i and a reference position scale 11y. Both ends of the three elongated holes 12f, 12h, and 12j whose extension directions are the same are formed in a semicircular shape, the distance between the centers thereof is about 30 mm, and the elongated holes 12h and 12j are positioned with respect to the upper surface portion 12a. And parallel.

Reference numeral 13 denotes a second member constituting the roller position adjusting means, that is, a coarse movement frame, which is formed by bending a stainless steel plate as shown as a part in FIG. Is provided with a guide pin stopper hole 13d, and a side surface portion 13b is provided with a coarse adjustment shaft hole 13e.
And a roller shaft hole 13g, and a rough adjustment shaft hole 13f and a roller shaft hole 13h are provided in the side surface portion 13c. As shown in FIG. 6, reference numeral 14 denotes a guide pin, which is a guide shaft portion 14a and a flange portion 14 which are engaged with the elongated hole 12f.
b, female screw 14c. Guide pin 14
Is fixed to the coarse movement frame 13 by a male screw 33 which penetrates the elongated hole 12f and penetrates the guide pin fixing hole 13d and is screwed to the female screw 14c.

As shown in the ZZ sectional view of FIG. 8, a fixing means for fixing both the fine movement frame 12 and the coarse movement frame 13 is provided. 20. Coarse adjustment shaft 15
Is provided with a coarse adjustment knob 15a at one end and a male screw portion 15b formed with a right-hand thread at the other end. Coarse adjustment axis 1
5 is provided with a large diameter portion 15c and a small diameter portion 15d.
Is a step provided between the small diameter portion 15d and the large diameter portion 15c. The coarse adjustment shaft 15 is slidably engaged with the main elongated hole 11x at the large diameter portion 15c, and is elongated at the small diameter portion 15d.
j is slidably engaged with the coarse adjustment shaft hole 13.
e, 13f. Spacing 19 is small diameter part 15d
And is located between the side surface portion 13c and the side surface portion 12c. The retaining ring 20 is fitted and attached to a retaining ring groove 15 f provided on the coarse adjustment shaft 15.

The slide nut 18 is composed of a flange 18c, a female screw 18a, a parallel flat surface 18d, and a boss 18b having an outer surface 18e as shown in FIG. ing. The slide nut 18 is screwed into the male screw portion 15b of the coarse adjustment shaft 15, and its parallel planes 18d and 18e are connected to the main slot 11r.
To prevent rotation and to be slidable. As shown in FIG. 1, 18f is a flange 18
c is a blade angle scale representing the blade angle φ provided in c.
The unit is (degree). The blade length scale 30e and the blade angle scale 1 constituting the polishing angle setting means.
8f are arranged to face each other.

As shown in FIG. 8, the roller 21 has a cylindrical surface 21a, and has a bearing hole 21b at the center. The roller 21 is located between the side portions 13b and 13c of the coarse movement frame 13 and is passed through a roller shaft 22 passing through the roller shaft holes 13g and 13h. The roller shaft 22 is prevented from falling off from the coarse movement frame 13 by a retaining ring 23 fitted in retaining ring grooves 22a provided at both ends thereof. As shown in FIG. 8, the center of rotation of the roller 21 is a line, and this line 38 is referred to as the roller rotation axis.
As shown in FIGS. 8 and 13, a surface 39 bisects the width direction of the roller 21 and is referred to as a width direction bisecting surface. The intersection of the roller rotation axis 38 and the width direction bisection plane 39 is defined by the roller axis 2
1d.

As shown in FIGS. 5, 6, and 7, the fine adjustment screw 2
A fine drive mechanism composed of 4 or the like is provided. The fine adjustment screw 24 has a fine adjustment knob 24a and a pitch of 1.27 m.
It is composed of a male screw part 24b, an end part 24c, and a scale board 24d formed by a right-hand thread of m. The male screw portion 24b is attached to the main body 11
Is screwed into a female screw 11g provided on the back surface 11d of the second member. 11l is an index pin set on the back surface 11d of the main body 11, 24e is a detailed polishing angle scale provided on the scale plate 24d and representing a detailed value of the polishing angle with one round being 0.5 degree, The unit is degrees. The detailed polishing angle setting means includes a detailed polishing angle scale 24d and an index pin 11l. In the present embodiment, the scale plate 24d is fixed to the fine adjustment screw 24, but the former can be rotatably mounted on the latter, so that a frictional force acts between them. With this configuration, in setting the additional polishing angle Δθ, etc., the scale can be adjusted to the index by turning only the scale plate prior to the setting operation, so that the scale adjustment in the setting operation can be easily and accurately performed. Can be.

As shown in FIG. 7, 26 is a hook 2 at both ends.
6a. Two coil springs 26 are incorporated, and hooks 26 a at one ends of the coil springs 26 are provided with spring hook holes 12 n and 12
k, the other end of the hook 26a
i, 11h.

As described above, the fine movement frame 12 is
The guide pins 12g and 12j are elongated holes 11m, respectively.
Coarse adjustment shaft 15 slidably engaged with 11s and inserted in a skewered manner into long holes 11x, 11r and long holes 12h, 12j.
And the slide nut 18 slidably with respect to the main body 11, and the sliding direction is elongated holes 11 m, 11 s, elongated holes 11 x,
Since it is determined by 1r, it is in the front-rear direction, and the sliding distance is determined by the length of the elongated holes 11m and 11s, and is about 6 mm.

The fine movement frame 12 slidable with respect to the main body 11 is pulled rearward by a coil spring 26, and the fine adjustment screw receiving portion 12m has an end portion 24c.
Is pressed against. The fine adjustment screw 24 advances forward or backward when the knob 24a is rotated clockwise or counterclockwise. Accordingly, the fine movement frame 12 pressed against the end 24c of the fine adjustment screw 24 also moves forward or backward against the biasing force of the coil spring 26 or by the biasing force.

When the coarse adjustment knob 15 is rotated counterclockwise, the rotation of the slide nut 18 is suppressed, so that the tightening of the slide nut 18 is loosened and the fine movement frame 1 is rotated.
2 is released, and the coarse adjustment knob 15a is operated so that the slots 12h, 12j, 12f, 1
The coarse movement frame 13 and the roller 21 attached thereto can be freely slid along the 1x, 11r within a range of 30 mm. The moving direction of the coarse movement frame 13 is the front-back direction since it moves along the upper surface portion 12a and the elongated holes 12h and 12j of the fine movement frame 12 arranged in parallel with the blade receiving portion 11z.

When the coarse adjustment knob 15a is moved forward or backward, the roller 21 also moves forward or backward,
The polishing angle θ increases or decreases. A mechanism for operating the coarse adjustment knob 15 to adjust the position of the roller 21 attached to the coarse movement frame 13 is a coarse adjustment mechanism that is a first adjustment unit.

When the coarse adjustment knob 15a is rotated clockwise, since the rotation of the slide nut 18 is suppressed, the slide nut 18 is pulled in the direction of the fine movement frame 12 by the male screw portion 15b and coarsely moved with the retaining ring 20. Frame 1
3. Fasten the spacer 19 and the fine movement frame 12
The coarse movement frame 13 is fixed at that position of j. When the fine adjustment knob 24a is rotated in this state, the fine movement frame 12 and the coarse movement frame 13 fixed thereto move.
The position of the roller 21 attached to the coarse movement frame 13 changes. As shown in FIG. 15, the moving direction of the roller 21 is the front-back direction of the polishing
, The distance s from the cutting edge 1h to the contact 21c with the outer periphery of a tangent drawn to the outer periphery of the roller 21 is a value determined by the polishing angle θ. For example, when the polishing angle θ is 26 degrees, s is 63.8.
mm, which is not affected by the dimensions of the blade 1.

Therefore, the relationship between the amount of rotation of the fine adjustment knob 24a and the amount of change in the polishing angle θ depends only on the polishing angle θ and is not affected by the dimensions of the blade 1. When the fine adjustment knob 24a is rotated clockwise or counterclockwise, 1.2 turns per rotation.
The roller 21 is moved forward or backward by 7 mm.
This changes the polishing angle θ. However, the amount of change in the angle per rotation of the fine adjustment knob 24a depends on the polishing angle θ at that time.
In the case of 6, 27 degrees, one of the fine adjustment knobs 24a
Θ for rotation is 0.46 degrees, 0.50 degrees, 0.54 degrees
Degree.

The scale plate 24d is provided with a circular detailed polishing angle scale 24e, and a scale is formed so that one circumference is 0.5. As described above, when the polishing angle θ is a general value of 26 degrees, the detailed polishing angle scale 2
Although there is no difference between 4e and the set angle, if the polishing angle θ deviates from 26 degrees by 1 degree, a difference occurs between the displayed value of the detailed polishing angle scale and the set angle by about 0.04 degrees.
This difference is a value that does not matter in practical use. Therefore,
There is a substantially linear proportional relationship between the operation amount of the fine adjustment mechanism, that is, the operation amount of the knob 24a, and the change amount of the polishing angle.
Four degrees. Since the moving direction of the roller 21 is the front-back direction, the polishing angle θ
The fact that fine adjustment is possible can be said to be an excellent feature of this embodiment.

By rotating the fine adjustment knob 24a, the fine movement frame 12, the coarse movement frame 13 fixed thereto, and the roller 2 attached to the coarse movement frame 13 are rotated.
A mechanism for finely adjusting the position 1 is a fine adjustment mechanism, which is a second adjustment means.

As described above, the directions of movement of the coarse movement frame 13 and the fine movement frame 12 are set in the front-back direction. Therefore, the moving direction of the roller 21 is the front-back direction, and the moving distance is
Is made movable by operating the coarse adjustment knob 15a.
When the fine movement frame 12 and the coarse movement frame 13 are fixed to 0 mm, the distance is set to 6 mm by operating the fine adjustment knob 24a, and the total is 36 mm. Also, since the blade 1 has its blade base surface 1g pressed and fixed to the blade receiving portion 11z, the movement locus of the roller 21 is parallel to the surface of the blade 1 represented by the blade base surface 1g and the length of the blade 1. Direction. Note that the moving direction of the roller 21 with respect to the blade 1 is not strict, and the same effect of the invention can be obtained even in a configuration in which the moving direction is different within a range of ± 20 degrees.

Further, since the moving direction of the roller 21 is set to the length direction of the blade 1, the blade 1h and the roller 21
Are in a positional relationship depending only on the polishing angle θ. Therefore, once the polishing angle θ is determined, the cutting edge 1h and the roller 2 can be placed at any position on the extension of the blade receiving portion 11z.
1 is specified, and the roller 2 with respect to the cutting edge 1h is
The position of 1 is specified. On the other hand, by operating the coarse adjustment knob 15a, the position of the roller 21 can be changed by 30 mm in the front-rear direction. It means you can do it. As described above, the position of the roller 21 and the position of the cutting edge 1h are in a corresponding relationship because:
This is because the direction of the movement locus of the roller 21 is the front-back direction, that is, the length direction of the blade.

On the other hand, by operating the head stopper of the front-rear positioning means which is movable in the front-rear direction, the head contact part 30h where the head 1d of the blade 1 is engaged with the positioning part 30a is moved by 30 mm. Can be changed. Therefore, by changing the position of the roller 21 and the relative position of the head stopper 30, the present invention can be applied to blades 1 having different lengths in a range of 60 mm. 16 and 17
As shown in the figure, it is possible to set the polishing angle θ by applying the blade 1 having a blade length m of 60 to 60 mm from 55 to 115 mm. In this way, the moving direction of the head contact portion 30h and the roller 21 in the front-rear direction positioning means and the roller position adjusting means is set to the front-rear direction, and the polishing angle θ can be set by changing the relative positions of the two. In addition, it is possible to obtain an effect that it can be applied to a blade having a wide range of lengthwise dimensions even though it is a small-sized polishing apparatus.

Head stopper 30 and coarse adjustment knob 15a
Adjusting the parameters individually makes trial and error, and leads to a reduction in work efficiency. What solves this problem is a polishing angle setting means configured such that the blade length scale 30e and the blade angle scale 18f face each other. FIG. 26 is a block diagram showing the configuration of the polishing angle setting means of the polishing apparatus 10. As shown in the figure, the blade length scale 30 e is provided on the head stopper 30, and the blade angle scale 18 f is provided on the slide nut 18 that is linked to the coarse movement frame 13. This block diagram and the position where the scale is arranged in the entire polishing apparatus will be described later in detail. In the polishing angle setting means, the relative positional relationship between the head contact portion 30h and the roller axis 21d is represented by the relative relationship between the blade length scale 30e and the blade angle scale 18f,
By adjusting the positions of the roller shaft center 21d and the head contact portion 30h in accordance with the display values corresponding to the dimension values of the blade 1 in both scales, the blade angle φ of the blade 1 and the polishing angle θ are matched. Have been.

The principle of the polishing angle setting means will be described with reference to FIG. 30f is a blade length display point on the blade length scale 30e corresponding to the blade length m, and the distance in the front-rear direction between the blade length display point 30f and the head contact portion 30h is represented by y. And 18g is a blade angle display point on the blade angle scale 18d side facing the blade length display point 30f, and the distance between the blade angle display point 18g and the roller axis 21d in the front-rear direction is x. Roller axis 21d and blade receiving surface 11z
, The radius of the roller 21 is r, the blade angle is φ, and k is a constant. In this case, the relations of Equations 3 and 4 are established among the symbols y, x, h, r, m, φ, and k. However, the signs of y and x are minus in front of the head contact portion 30h and the roller shaft 21d, and plus in the rear.

(Equation 3)

(Equation 4)

In the embodiment, k = 100 mm, h =
19 mm and r = 10 mm. These are given by Equation 3,
By substituting into Equation 4, Equations 5 and 6 are obtained.

(Equation 5)

(Equation 6) The blade length scale 30e is formed using Equation 5. For example, the blade length display point 30f for m = 95 is given by
Since y = 5 is obtained, the position is located at a distance of 5 mm backward from the head contact portion 30h, and 95 scales are formed at this position. In this way, all the scales of the blade length scale 30e are formed. As is apparent from Equation 5, when the several blades 1 are attached, the distance k from the blade edge 1h to the blade length display point 30f corresponding to the blade length becomes a constant value 100 mm.

The blade angle scale 18da is formed by using the equation (6). For example, the cutting edge angle display point for a cutting edge angle φ of 24 is 18g. If 24 is substituted into Expression 6, the value of x is 32.7.
32.7 backward from the roller axis 21d.
mm, and 24 scales are formed at this position. By forming each scale in this manner, a blade angle scale 18d is formed. in this way,
If both scales 30e and 18d are formed according to the relations of Expressions 5 and 6, the cutting edge length display point 30f corresponding to the cutting edge length m
The blade angle display point 18g, which is opposed to, is the blade angle φ of the blade 1.
Can be represented.

By this polishing angle setting means, the cutting edge angle scale 18d and the cutting edge length scale 30e
The head stopper 30 and the coarse adjustment knob 15 are adjusted so that the displayed values corresponding to the blade angle φ and the blade length m of the blade 1 coincide with each other.
By a simple operation of adjusting the position of a, the polishing angle θ
Can be preset to the blade angle φ of the blade 1. In other words, the polishing apparatus 10 can be made to be in a state adapted to the blade 1, and in mounting the blade 1 to the polishing apparatus and adjusting the polishing angle, a trial and error operation or a ruler like a conventional polishing apparatus is used. This eliminates the need for visual adjustment work. 17 and 18 show that the blade length is 115 and 55, respectively.
mm blade 1 is attached to the polishing apparatus 10 and the polishing angle θ is 2
The state set at 6 degrees is shown. FIG. 17 shows the roller shaft 21.
d shows the case where the head contact portion 30h is located at the rearmost position, and FIG. 18 shows the case where the roller shaft center 21d is located at the rearmost position and the head contact portion 30h is located at the frontmost position. As described above, in the polishing apparatus 10, by changing the relative position between the roller shaft center 21d and the head contact portion 30, the blade 1 having a blade length m of 55 mm to 115 mm can be obtained.
Can be adapted to

The attachment of the blade to the polishing apparatus 10, the adjustment of the polishing angle θ, and the polishing operation will be described with reference to FIGS. According to the polishing apparatus 10, the blade angle priority polishing performed by matching the polishing angle θ to the blade angle φ of the blade 1 to be polished, and the polishing performed at a polishing angle θ set independently of the blade angle φ. Either one can be selected from corner priority polishing.

First, the edge angle preferential polishing will be described.
The dimensions of the blade 1 to be polished are w = 75 mm, m
= 95 mm and φ = 26 °. As shown in FIG. 14, the side stopper 27 is moved so that the value of 75 of the blade width w matches the surface of the side surface 11a of the main body 11 as an index on the blade width scale 27d of the width direction setting means. . Thereafter, the knob 29b is rotated clockwise to fix the side stopper 27 to the main body 11.

By operating the fine adjustment knob 24a, the guide pin 12j of the index coincides with the reference position 0 of the reference position scale 11y. This operation is performed to secure the required amount of movement in the fine adjustment mechanism for setting the additional polishing angle Δθ by two scales on the reference position scale 11y in the finish polishing described later.

In the final polishing performed after the forward polishing, the additional polishing angle Δθ due to the insufficient adjustment amount of the fine adjustment mechanism.
If the setting is impossible, there arises a problem that suitable polishing cannot be performed. The function of the reference position setting means is an effective function that can prevent this problem from occurring.

The knob 31b is rotated counterclockwise to enable the head stopper 30 to move, and the coarse adjustment knob 15a is rotated counterclockwise to rotate the coarse adjustment shaft 15 from the coarse adjustment shaft 15 through the coarse movement frame 13 and the like. 21 can be moved, and the head stopper 30 and the coarse adjustment knob 15 can be moved.
By operating a, the scale of 95 on the blade length scale 30e and the scale of 26 on the blade angle scale 18d are matched by the polishing angle setting means.
1b is rotated clockwise to fix the head stopper 30 to the main body 11, and the coarse adjustment knob 15a is rotated clockwise to fix the coarse movement frame 13 to the fine movement frame 12. As a result, the polishing angle θ of the polishing apparatus 10 is preset to 26 degrees, which is the blade angle φ of the blade 1.

The blade is inserted into the U-shaped portions 11t and 11u of the main body.
And the head 1d and the side surface 1c of the blade 1 are positioned with the positioning portion 30a and the side stopper of the head stopper 30, respectively.
27 and the blade fixing screw 34
Rotate the knob 34b clockwise to adjust the screw end 34c.
Then, the blade 1 is pressed against the blade receiving portion 11z and is fixed to the main body 11. In this state, the adjustment of the polishing angle to the medium accuracy is completed. In order to match the polishing angle θ and the blade angle φ with higher precision, as shown in FIG.
1 is brought into contact with the grindstone surface 3a of the grindstone 3, polishing is performed by reciprocating several times with water interposed, the degree of contact of the grindstone on the polishing surface 1a is checked, and the fine adjustment knob 24a is operated. The fine adjustment mechanism is operated to adjust the grinding wheel surface 3a so as to exactly match the polishing surface 1a. Thus, the polishing angle θ is accurately set to the forward polishing angle θj equal to the blade angle φ.

Next, the operation of forward polishing by the polishing apparatus 10 set to the forward polishing angle θj will be described. As shown in FIG. 19, when placed on the grindstone 3, the polishing surface 1a and the cylindrical surface 21a of the roller 21 contact the grindstone surface 3a. When the reciprocating motion is performed on the grindstone 3 with water in between with the hand, the roller 21 supports the polishing apparatus 10 while rotating, so that the angle of the blade 1 with respect to the grindstone 3 is kept constant. The blade 1 is polished by the grindstone surface 3a to form a new polished surface 1a.

When the polished surface 1a has been polished to the cutting edge 1f, the normal polishing operation is completed. At this stage, the blade can be used for woodworking, but if the grinding is performed using a finishing whetstone having fine abrasive grains, the blade tip 1f can be made sharper. Needless to say, it is possible to perform this polishing while the polishing apparatus is kept at the normal polishing angle, but if the polishing operation is to be performed efficiently, the polishing angle θ should be set to the final polishing angle θf. Finish polishing is performed. Additional polishing angle Δθ is 1
In the case of degrees, the fine adjustment knob 24a is rotated clockwise about two times while checking with the detailed polishing angle scale 24e and the index pin 111 in the detailed polishing angle setting means. The roller 21 moves forward by 2.54 mm, and the polishing angle θ is set to the finishing polishing angle θf increased by 1 degree. As a result, FIG.
As shown in FIGS. 6 and 20, only the portion near the tip of the polishing surface 1a comes into contact with the grindstone surface 4a of the finishing grindstone 4.

The setting of the additional polishing angle Δθ can be performed by using the blade length scale 30e and the blade angle scale 18f, if the setting is allowed to be rough. That is, the fine adjustment knob 24a is operated to change the blade length scale 30e.
The scale of 95 is matched with the scale of 27 of the blade angle scale 18f, and the polishing angle θ is increased by one degree.

On the finishing whetstone 4 made of fine abrasive grains,
Polishing work by reciprocating movement about 10 times
A very sharp cutting edge is formed at the tip of. Finishing whetstone 4 whetstone has weak grinding power, and in order to grind a large area,
Requires power and time. According to the polishing apparatus 10, since the polishing angle θ can be accurately increased by the fine adjustment mechanism, the cutting edge 1f having excellent cutting performance can be finished in a short time, and a preferable cutting edge shape can be stably obtained. And other effects.

Woodworking is performed using the polished blade 1, and when the blade edge 1f is worn, re-polishing is required. When the blade 1 is mounted on the polishing apparatus 10 for re-polishing, the head 1d of the blade 1 is brought into contact with the positioning portion 30a, and the side surface 1c is brought into contact with the positioning portion 27a.
If the polishing apparatus 10 is fixed to the blade 1, the previous polishing state can be accurately reproduced. If the finish polishing was performed last time, the finish polishing angle θf is reproduced. Therefore, in this polishing, the sharp cutting edge 1f can be revived by the polishing operation by reciprocating about 10 times on the finishing whetstone 4. it can. In woodworking, to maintain good finish quality,
It is necessary to keep the cutting edge of the blade sharp, and frequent polishing work is indispensable. According to the polishing apparatus of the present invention,
Re-polishing is completed in a short time, and the efficiency of woodworking can be greatly improved.

When the above-mentioned blade angle priority polishing is repeated many times, the polished surface 1a wears in a direction of turning forward around the roller 21, so that the blade angle gradually increases. Therefore, it is necessary to form the blade at an appropriate angle in a timely manner. This forming is a polishing angle preferential polishing, and a case where the cutting edge angle φ of the blade 1 having a cutting edge length of 95 mm is formed to 26 degrees will be described as an example. The adjustment of the side stopper 27 is the same as that of the edge angle priority polishing, and the description is omitted.

Subsequently, the head stopper 30 and the coarse adjustment mechanism are made movable, and the scale of 95 of the blade length scale 30e and the blade angle scale 1 in the polishing angle setting means are set.
The scale 31 of 8d is matched, the knob 31b is rotated clockwise to be fixed to the main body 11, and the coarse adjustment knob 15a is rotated clockwise to fix the coarse moving frame 13 to the fine moving frame 12. In the case of the polishing angle priority polishing, the process proceeds from this state to the polishing operation. As a result, the already formed polishing surface 1a is deleted, and the blade angle is newly formed to 26 degrees.

If the cutting edge angle φ of the cutting tool that needs shaping is larger than the angle to be obtained by shaping, the polishing proceeds from the vicinity of the cutting edge 1h. There is a difference between the blade angle φ and the set value. For example, when it is desired to form a blade angle φ of 28 degrees before molding to 26 degrees, the blade edge length m before molding is set, and the finished blade in a state where the polishing reaches the cutting edge 1f is set. The original angle φ is 26.3 degrees, which is 0.3 to the set angle.
The angle is large.

Although this difference does not cause a problem in practical use, when an accurate finished blade angle φ is obtained, the actually measured blade length m
The value obtained by subtracting the correction value from is preferably used as the blade length for setting. For example, the edge angle φ expected before and after molding
Is 1 degree, the correction value is 0.4, and when the difference is 2 or 3, the correction values are 0.8 and 1.2, respectively.

As shown in FIG. 19, when the cutting tool 1 is mounted on the polishing apparatus 10, placed on the grindstone 3, and reciprocated to perform the polishing operation, the roller 21 and the polishing surface 1a do not fall off from the grindstone surface 3a. It is necessary to take care. In a commonly used grindstone, the length t of the grindstone is 200 m
m. In a grindstone having a limited length t, effective use of the grindstone surface 3a leads to an increase in the efficiency of the polishing operation.

In this embodiment, when the polishing angle θ is 26 degrees, s is 63.8 mm, and as shown in FIG. 19, the reciprocable distance g is 136.2 mm at the maximum, and the polishing angle θ Is 25 degrees and 27 degrees, respectively, the reciprocable distance g is 133.5 mm and 138.5 mm, respectively. In a commonly used polishing angle in the range of 25 degrees to 27 degrees, the reciprocable distance is g. g falls within a range of 2.5 mm width around 136.2, and is a substantially constant value. Therefore, the polishing operator does not drop the polishing surface 1a or the roller 21 from the grinding wheel surface 3a, and
The sensation of maximizing the use of can be easily acquired by mastering.

The roller position adjusting means according to the present invention comprises:
A first adjusting means, ie, a coarse adjustment mechanism, which is used to substantially move the roller 21 to substantially match the polishing angle and the blade angle, and to increase the grinding angle exactly to the blade angle, and It comprises a second adjusting means used for setting the polishing angle, that is, a fine adjustment mechanism.

Therefore, the first adjusting means needs to have a structure capable of performing adjustment in a wide range, and the second adjusting means needs a structure capable of easily adjusting the fine polishing angle. Is done. From a practical point of view, the first adjusting means requires an adjustment range of 10 degrees or more in terms of polishing angle, and the second adjusting means easily requires a polishing angle of 0.1 degrees. There is a need for a mechanism that can be controlled. The point of the second adjustment means is the relationship between the operation amount at the operation end and the change amount of the polishing angle. It can be said that the change in the polishing angle of 5 degrees or less is a condition that can be put to practical use.

[0086] The polishing apparatus 10 according to the embodiment of the present invention includes:
Roller position adjusting means and front-rear positioning means are provided, and a blade length scale provided on a member on the head contact portion side and a blade angle scale provided on a member on the roller axis side are provided. A polishing angle setting means is provided so as to be opposed to the polishing angle setting means.

Therefore, by adjusting the positions of the front-rear positioning means and the roller position adjusting means using the polishing angle setting means, the polishing angle θ can be adjusted before the blade is mounted.
Can be set, so that the general adjustment of the polishing angle that also serves as the attachment of the blade, like a conventional polishing device,
Subsequent visual adjustment using a ruler or the like in the adjustment of the polishing angle of medium precision is not required, and the efficiency of the adjustment work of the polishing angle θ is improved, and a remarkable effect is obtained particularly when applied to blades of various dimensions. can get. Further, since the polishing apparatus 10 can be brought into a state adapted to the blade 1 prior to the mounting of the blade 1, there is no trial and error work in mounting the blade 1. In addition, there is also obtained an effect that the edge angle is corrected by the polishing angle priority polishing, and the edge angle can be formed into a suitable edge angle having excellent cutting performance.

An embodiment in which such an effect is provided is as follows.
This is realized by configuring the grinding angle setting means by combining the front-rear direction positioning means, the roller position adjusting means, the scale according to the size of the blade, and the like. On the other hand, each technology constituting the embodiment of the present invention can exhibit an effect not found in the related art alone. The effect obtained from each technology is added.

The polishing apparatus 10 according to the embodiment of the present invention includes a blade fixing means, a roller, a blade mounting means, and a roller position adjusting means provided between the rollers, and the roller position adjusting means comprises a first adjusting means. , And a fine adjustment mechanism as a second adjustment means. Therefore, since the rough adjustment of the polishing angle θ can be performed by the coarse adjustment mechanism independent of the tool mounting means, the work of mounting the tool and the operation of adjusting the polishing angle θ are separated, and both operations are simplified. The effect that it becomes easy is obtained. The rough adjustment of the polishing angle θ is performed by a coarse adjustment mechanism as a first adjusting means, and the precise adjustment of the polishing angle θ and the setting of the additional polishing angle Δθ are performed by a fine adjustment mechanism as a second adjusting means. Therefore, even when the position of the roller 21 is adjusted by largely moving the roller 21 in accordance with the blade having various dimensions, the polishing can be performed quickly and precisely, and the polishing apparatus 10 has excellent versatility and precision. I can do it.

The polishing apparatus 10 according to the embodiment of the present invention comprises a blade attaching means and a roller 21, and a roller position adjusting means provided between the blade attaching means and the roller, and the movement of the roller 21 in the roller position adjusting means. The direction is the front-back direction of the polishing apparatus 10. Therefore,
Similarly, the polishing angle θ is set by changing the relative position of both the head contact portion 30h and the roller 21 in the front-back direction positioning means, which also has the front-back direction. Although the device is used, an effect is obtained that it can be applied to a blade having a wide range of lengthwise dimensions.

The distance s from the cutting edge 1h to the roller 21 is a value determined by the polishing angle θ regardless of the length of the blade to be mounted, and is a value within a limited range. By providing the detailed polishing angle setting means composed of a scale based on the change amount of the polishing angle θ per rotation of the fine adjustment knob 24a at 26 degrees, the additional polishing angle Δθ in the final polishing is provided.
Can be set accurately, the efficiency of polishing can be improved, and an effect can be obtained such that a blade having a suitable shape can always be obtained stably. Further, since the distance s is specified by the polishing angle θ and has a value within a limited range, it is easy to grasp the feeling of maximizing the use of the grindstone surface 3a in the polishing work on the grindstone surface 3a by skill. In addition, the efficiency of the polishing operation is improved, and a remarkable effect is obtained particularly when applied to blades of various dimensions, and the versatility is improved.

The polishing apparatus 10 according to the embodiment of the present invention is provided with width direction positioning means for regulating one side surface of the blade 1 provided with a side stopper setting means comprising a blade width scale or the like. I have. Therefore, the position of the side stopper 27 can be adjusted before the blade 1 is mounted on the polishing apparatus 10 by using the side stopper setting means, so that the work efficiency is improved, and in particular, the blades of various dimensions are improved. When applied to polishing, a remarkable effect is obtained, and the versatility of the polishing apparatus is improved. In addition, the center of the blade 1 and the center of the polishing apparatus 10 in the width direction can be easily matched with each other, and the shape in which the blade 1 is attached to the main body 11 can be substantially symmetric with respect to the width direction bisecting surface 39.
It is easy to make the pressing force of the blade 1 against the grinding wheel surface uniform, and the polishing surface 1
The effect that uniform polishing of a is realized is obtained.

Further, since the position and direction of the blade 1 in the width direction with respect to the polishing apparatus 10 are determined, the position of the blade 1 is accurately determined by the front-rear positioning means. Is accurately reproduced, especially when performing woodworking while repeating polishing by finish polishing, a sharp cutting edge can be obtained with a short polishing work,
The effect of improving work efficiency is obtained. further,
Since the width direction positioning means is configured to regulate one side surface of the blade 1, the other side in the width direction is open, and the front-rear direction positioning means is configured to regulate the head 1d of the blade 1. In the mounting means, two sides are open, and an effect is obtained that the blade 1 can be easily attached and detached.

These individual techniques included in the embodiments of the present invention can be used alone or in combination to constitute various other inventive polishing apparatuses exhibiting unprecedented effects. Can be. Some examples of these are given below.

For example, a polishing apparatus is provided between the blade fixing means and the roller, which comprises a blade fixing means, a roller, a coarse adjusting mechanism as a first adjusting means, and a fine adjusting mechanism as a second adjusting means. It is composed of roller position adjusting means.
According to this embodiment, even if blades of various dimensions are attached, the polishing angle θ is roughly adjusted by the coarse adjustment mechanism separated from the fixing of the blade, and the polishing angle θ is adjusted by the fine adjustment mechanism.
In addition, there are obtained such effects that the adjustment of the blade and the polishing angle θ can be simplified.

The polishing apparatus is composed of a blade fixing means, a roller, and a roller position adjusting means whose moving direction is the front-back direction of the polishing apparatus. According to this embodiment, the following effects can be obtained. The distance between the blade edge and the roller is a value determined by the polishing angle regardless of the length of the blade. In addition, since the polishing angle does not take a value in a wide range, the polishing angle becomes a substantially fixed value, and the feeling of the reciprocating distance on the grindstone can be easily grasped.

Further, the ratio of the change in the moving distance of the roller and the polishing angle in the roller position adjusting means is almost specified irrespective of the position of the cutting edge 1h with respect to the polishing apparatus. For example, a fine polishing angle is displayed on the fine adjusting means. If a scale is provided and fine adjustment is performed according to the scale, the polishing angle is set almost according to the display value of the scale, and it is possible to precisely adjust the polishing angle by setting an additional polishing angle in the final polishing.

The polishing apparatus according to the embodiment of the present invention comprises a blade fixing means, a roller, a roller position adjusting means, a length direction positioning means, and a polishing angle setting means. The polishing angle is set by adjusting the adjusting means and the longitudinal positioning means.

The polishing angle setting means has various configurations by various combinations of disposing the blade length scale and the blade angle scale on each member of the polishing apparatus.
The same effects as those of the embodiment of the present invention can be obtained by other embodiments in which these are adopted. The polishing angle setting means having these other configurations will be described.

In the polishing apparatus of the present invention, including the polishing apparatus 10 of the embodiment, the two scales are compared in the polishing apparatus with respect to the positions of the blade length scale and the blade angle scale. The members provided with each other are physically related to which side of the portion where the head 1d of the blade 1 contacts the positioning member, that is, the relative position between the head contact portion and the roller axis. , It is expressed as a member on the roller axis side. For example, when the blade angle scale is provided on a member that is linked to the roller axis, it is defined that the blade angle scale is provided on a member on the roller axis side. In other words, when the head contact portion and the roller axis are relatively changed, a scale is provided on a member whose relative positional relationship changes accordingly, and each member is compared, and the head is compared. Depending on whether the positional relationship is greater between the contact portion and the roller axis, for example, when the positional relationship is greater toward the roller axis, it is expressed as a member on the roller axis side. In the grinding angle setting means, the relative positional relationship between the head contact portion and the roller axis is reflected on the relative relationship between the blade length scale and the blade angle scale provided on the member, By adjusting the position of the roller and the head contact portion in accordance with the display value corresponding to the dimension value of the blade 1 on the scale, the blade angle φ of the blade 1 matches the polishing angle θ.

In the case of the polishing apparatus 10 of this embodiment, as shown in FIG. 26, a head stopper 30 including a head abutment portion 30h passes through a main body 11, a fine movement frame 12, and a coarse movement frame 13. In the configuration extending to the roller shaft center 21d, the blade length scale 30e is provided on the head stopper 30 which is a member on the head contact point side, and the blade angle scale 18f is provided on the roller shaft 21d side. Each is provided on a slide nut 18 that is linked to the moving frame 13.

A polishing apparatus 20 according to another embodiment 1, which will be described later.
In the case of 0, as shown in FIG.
There is a blade stopper plate 202 from the head stopper 205
In the configuration from the blade fixing base 201 and the roller support frame 209 to the roller axis 207a, the blade angle scale 2
05f is a head stopper 20 which is a member on the head contact portion side.
5, the blade length scale 202 d is
The blade holding plate 202 is a member on the 7a side.

An example of a polishing angle setting means having another configuration will be described below. (1) The polishing angle setting means is composed of a blade angle scale provided on a member on the roller axis side and a blade length scale provided on a member on the head contact portion side. In this example, the configuration of the embodiment is also included. However, by further modifying the configuration, the configuration in which the facing blade length scale is formed on the main body while leaving the blade angle scale intact, or the blade length scale This example includes a configuration in which the opposed blade angle scales are formed in the main body while leaving as is. The former configuration is, for example, effective in a polishing apparatus that is not positioned at a fixed position with respect to the main body, and has no function of adjusting the positioning position in the length direction positioning means,
The latter configuration is effective, for example, in a polishing apparatus having a configuration in which the adjustment range of the roller position adjustment unit is minute, and is not covered up to the blade angle φ of various blades.

(2) The grinding angle setting means is composed of a blade length scale provided on a member on the roller axis side and a blade angle scale provided on a member on the head contact portion side. This example includes a configuration in which the scale in the embodiment is replaced, and a polishing angle scale is provided on the head stopper, and a blade length scale is provided on the slide nut.
In addition, like the polishing apparatus 200 of another embodiment 1 described later, the blade angle scale 205b is provided with a head stopper 205.
And a configuration in which a blade length scale 202d is provided on the blade holding plate 202 is included.

In the polishing apparatuses of the examples (1) and (2), the polishing angle is set by arranging the blade length scale and the blade angle scale side by side and matching the display points facing each other. However, it is also possible to configure the polishing apparatus so as to set the polishing angle from each scale and index, and several examples are given below.

(3) The grinding angle setting means comprises a blade length scale provided on a member on the roller axis side and an index provided on a member on the head contact portion side. (4) The polishing angle setting means is composed of a blade length scale provided on the member on the head contact portion side and an index provided on the member on the roller axis side. In this example, a blade length scale 225d is provided on the head stopper 225 like the polishing apparatus 220 of another embodiment 2 described later, and the index 22
As in the configuration in which 2d is provided on the blade holding plate 222 or in the polishing apparatus 220, the direction of movement of the roller in the roller position adjusting means is not the front-back direction of the blade but a direction substantially perpendicular to the surface of the blade. This is effective for a polishing apparatus having a configuration in which the distance between the blade and the blade is largely changed to thereby adjust the polishing angle.

The principle of the polishing angle setting means in the configuration examples (1) to (4) and the like, including the embodiment of the present invention, is defined as follows, and is unified by Equations 3 and 4. Can be represented. That is, when the blade length scale or the blade angle scale is provided on the member on the head contact portion side, the distance between the blade length display point and the head contact portion is set to y or the blade angle. When the distance between the display point and the head abutment portion is x, and when provided on a member on the roller axis side, the distance between the blade length display point and the roller axis is y or the blade angle display point. And the distance between the roller axis and the roller axis is x. The distance between the roller axis and the blade receiving surface is h, the radius of the roller is r, the blade length is m, and the blade angle is φ. k is a constant.

The blade length display point on the blade length scale provided on the member on the head contact portion side is located behind the head contact portion when the sign of y is positive, and when the sign of y is negative, Located forward. The blade length display point on the blade length scale provided on the roller shaft side member is located forward of the center of rotation when the sign of y is plus, and backward when the sign of y is minus. The blade angle display point of the blade angle scale provided on the member on the head contact portion side is located ahead of the head contact portion when the sign of x is plus, and behind it when the sign of x is minus.
The blade angle display point of the blade angle scale provided on the roller shaft side member is located rearward of the center of rotation when the sign of x is plus, and forward when the sign of x is minus.

In the case where the polishing angle setting means is constituted by a combination of a scale and an index as in the examples (3) and (4), the following definition is made. That is, in the case of the combination of the blade length scale and the index, the blade length scale is expressed by Equation 3
And the position of the index is a specific point of the cutting edge angle display point obtained by Expression 4 using φ as a constant. In the case of a combination of the blade angle scale and the index, the blade angle scale is formed by using Expression 4, and the position of the index is expressed by Expression 3 using m as a constant.
Is the specific point of the blade length display point obtained by the above. In addition,
Even if the theoretical positions of the display points and indices obtained from Equations 3 and 4 and the positions of the display points and indices formed in the actual polishing apparatus do not completely coincide with each other, there is no problem in practical use, and they are formed almost in accordance with the theoretical formula. If so, this is the purpose of the present invention, and the effects of the invention can be obtained.

A polishing apparatus 200 shown in FIGS. 23 and 24 as another embodiment 1 embodies the above item (2). Reference numeral 202 denotes a blade holding plate, which penetrates holes 202a and 202b (not shown) provided at both ends thereof, and female screws 201a provided on a blade fixing base 201;
Bolts 203 and 20 screwed to 201b (not shown)
4, the blade 215 is pressed against and fixed to the blade receiving surface 201d of the blade fixing base 201. Reference numeral 202 d denotes a blade length scale attached to the blade holding plate 202. 20
Reference numeral 5 denotes a positioning member, ie, a head stopper, in the front-rear positioning means, 205a a positioning portion,
5b is a blade angle scale arranged so as to face the blade length scale 202d, and 205c is a long hole. The head stopper 205 is guided by a guide groove 202c provided on the blade holding plate 202, and is movable in the front-rear direction of the polishing apparatus 200 (the same definition as that of the polishing apparatus 10), and penetrates the elongated hole 205c. The blade holding plate 202 is fixed to the blade holding plate 202 by screws 213 screwed to the blade holding plate 202. 205e is a head contact portion where the head 215a of the blade 215 contacts the positioning portion 205a.

Reference numeral 209 denotes a roller support frame.
The roller 207 is rotatably supported by a roller 207, penetrates a hole 209 a provided at one end, and is pressed by a spring 210 toward the blade fixing base by a screw 211 screwed to the blade fixing base 201. The other end of the roller support frame 209 is engaged with an end 212 a of an adjusting screw 212 screwed to the blade fixing base 201. Reference numeral 201c denotes a reference position index. When the end 209b of the roller support frame 209 is matched with the reference position index, the roller 207 is set at the reference position. By operating the adjustment screw 212, the position of the roller support frame 209 can be changed, and the position of the roller with respect to the blade fixing base 201 can be adjusted. Polishing device 2
The reference position setting means at 00 is an adjustment screw 2
The reference position index 201c includes an end 209b that displays a reference positional relationship between the roller support frame 209 and the blade fixing base 201, the relative position of which is changed by the operation of No. 12. Reference numeral 206 denotes a bank-like portion 201e of the tool fixing base 201.
Side stopper screws screwed into the four positions, and are used for positioning the blade 215 in the width direction.

The blade length display point corresponding to the blade length m in the blade length scale 202e is designated as 202e, and the blade angle scale 205b facing the blade length scale point 205b is designated as the blade angle display point 20.
5d, the head contact portion 205e and the blade angle display point 205d.
Is the distance in the front-rear direction between x and y, and the distance in the front-rear direction between the roller axis 207a and the blade length display point 202e is y. The distance between the rotation center 207a and the tool receiving surface 201d is h,
Let r be the radius of the roller 207. In this case, between the symbols x, y, m, h, r, and φ, Equations 3 and 4
Holds.

In the polishing apparatus 200, k = 91, r
= 9, h = 21.2 (when the roller 207 is at the reference position). By substituting these into Equations 3 and 4, Equations 7 and 8 are obtained.

(Equation 7)

(Equation 8) The blade length scale 202d is calculated by using Equation 7 to obtain the blade length m
For example, when m = 75, y = 16 is obtained, and 75 display scales are formed at a position 16 distances forward from the rotation center 207a. Blade angle scale 205b
The display point 205d of is substituted for the value of the blade angle φ using Expression 8, for example, in the case of φ = 26, x = 27 is obtained, and the position at a distance of 27 forward from the head contact portion 205e is obtained. Then, 26 display scales are formed.

A case will be described in which a blade 215 having a blade length of 75 mm and a blade angle φ of 26 degrees is mounted on the polishing apparatus 200. By operating the adjusting screw 212, the end 209b of the roller support frame 209 of the reference position setting means is aligned with the reference position index 201c. As a result, the polishing angle θ adjusted according to the display values of the blade length scale 202d and the blade angle scale 205b exactly matches the blade angle φ of the blade 1. The screw 213 is loosened and the head stopper 205 is moved so that the value of 26 of the blade angle scale 205b matches the value of 75 of the blade length scale 202d, and the screw 213 is tightened and fixed to the blade holding plate 202. The blade 215 is placed between the blade holding plate 202 and the blade receiving surface 201d, the head 215a is brought into engagement with the positioning portion 205a, and the widthwise position of the blade 215 is adjusted by the side stopper screws 206, and the bolts 203 and 204 are adjusted. And fix it to the blade fixing base 201.

As a result, the polishing angle θ coincides with the blade angle of 26 degrees, and the polishing operation can be performed by bringing the cylindrical surface of the polishing surface 215b and the roller 207 into contact with the grinding wheel surface. The adjusting screw 212 is used for precise adjustment of the polishing angle and setting of the additional polishing angle. According to the polishing apparatus 200 of another embodiment 6,
Compared with the polishing apparatus 10 of the embodiment, the range of applicable dimensions depends on the variable range of the head stopper 205, and there is a disadvantage that the applicable dimension range in the longitudinal direction of the blade is narrow, but the blade is mounted. Prior to this, the setting of the polishing angle can be performed, so that the efficiency of the operation of adjusting the polishing angle is improved, and an effect is obtained particularly when the polishing angle is applied to a blade having various dimensions.

FIGS. 25 and 26 show a polishing apparatus 2 according to another embodiment 2.
20 is shown. Head stopper 2 in polishing apparatus 200
05 and the blade holding plate 202 are changed to a head stopper 225 and a blade holding plate 222 in the polishing apparatus 220. The other parts have the same configuration, and are denoted by the same reference numerals and description thereof is omitted. Reference numeral 222 denotes a blade holding plate, and holes 222a and 222b provided at both ends thereof.
(Not shown), and the blade 215 is pressed against and fixed to the blade fixing base 201 by bolts 203 and 204 screwed into female screws 201a and 201b (not shown) provided on the blade fixing base 201. I do. 222d is an index formed on the blade holding plate 222.

Reference numeral 225 denotes a positioning member in the front-rear positioning means, that is, a head stopper, 225a a positioning portion, 225b a blade length scale, and 205c a long hole. The head stopper 225 has a guide groove 222c.
In the longitudinal direction of the polishing device 220 (the polishing device 10
Is the same as that of the screw 2), and the screw 2 that passes through the long hole 225c and is screwed to the blade holding plate 222.
13 fixes the blade holding plate 222. Knife 2
The thirteen heads 215a and the positioning parts 225a are in contact with each other by head contact parts 225e.

The blade length display point corresponding to the blade length m on the blade length scale 225b is 225d. An index 222d is provided at a position facing the blade length display point 225d. Head contact part 225e and blade length display point 2
The distance in the front-rear direction between 25d and y is the roller axis 207.
Let x be the distance between a and the index 222d in the front-rear direction. The distance between the rotation center 207a and the blade receiving surface 201d is h, the radius of the roller 207 is r, and k is a constant. In this case, the relations of Equations 3 and 4 hold among the symbols x, y, m, h, r, and k. In the polishing apparatus 220, k = 48, r = 9, and h = 21.2 (when the roller 207 is at the reference position). By substituting these into Equations 3 and 4, Equations 9 and 10 are obtained.

(Equation 9)

(Equation 10)

The polishing device 220 is suitable for a polishing device for a blade having a fixed blade angle φ. For example, in the case of a polishing apparatus for a blade having a blade angle φ of 26 degrees, formation of a scale will be specifically described. Blade length scale 202
d is obtained by substituting the value of the blade edge length m into Equation 9, for example, m = 7
In the case of 5, y = -27 is obtained, and 75 display scales are formed at a position 27 distances forward from the head contact portion 225e. This is repeated for the blade lengths 52 to 80 in the variable range to form the blade length scale 202d. The index 222d is obtained by substituting 26 of the blade angle into Equation 10 to obtain the value of x, and forming the index at a position at a distance of the value of x forward from the rotation center 207a.

A case where the blade 215 having a blade length of 75 mm and a blade angle φ of 26 degrees is attached to the polishing device 220 will be described. By operating the adjusting screw 212, the roller support frame 209 is adjusted to the reference index 201c. The screw 213 is loosened, the head stopper 225 is moved, the value of 75 on the blade length scale 225b is matched with the index 222d, and the screw 213 is tightened and fixed to the blade holding plate. Knife 21
5 is fixed to the blade fixing base 201 in the same manner as the polishing apparatus 200.

By transforming equation (4), equation (13) is obtained.

(Equation 13) By substituting 26 into Equation 10 to obtain the value of x and substituting this into Equation 13, k and r are constants, so that a mathematical expression representing the relationship between φ and h is obtained. When this is applied to the polishing apparatus 220, it means that the polishing angle θ can be changed by changing h. That is, when φ = 26, h = 21.
However, if h is changed from now on, φ
Also change. In other words, the polishing device 220 is a polishing device limited to blades having an unspecified blade length m and a constant blade angle φ (26 degrees). It is possible to realize a polishing apparatus that can be applied to a blade having an unspecified original angle φ.

In the case of the polishing device 220, the above-described deformation is possible because the direction of movement of the roller is substantially perpendicular to the surface of the blade. In this way, the relations of Expressions 3 and 4 also hold when the direction of movement of the roller is a direction perpendicular to the surface of the blade.

The configuration of the polishing angle setting means in the polishing apparatus of the present invention is not limited to the configuration of the polishing apparatus 10 of the embodiment, and various other configurations can be proposed as other embodiments. For example, a head stopper and a roller position adjusting means that can be moved in the front-rear direction are provided, racks are respectively formed, gears that share a rotating shaft meshing with each other are provided, and each of the blades is formed in a ring shape. It is possible to propose a configuration in which the original length scale and the blade angle scale are provided, and the blade length and the blade angle are displayed based on the relative rotation positions of both scales. The configuration of the polishing angle setting means in the polishing apparatus of the present invention,
The relative positional relationship between the roller axis and the head abutment is expressed by the relative length of the blade in the longitudinal direction and the scale by the angle of the cutting edge. However, the relative positional relationship between the roller axis and the head abutment is converted into an electrical signal, and the electrical signal is processed. Based on the result, the stomach is adjusted to adjust the positional relationship between the two. The device can also be configured.

In this embodiment, an example of a polishing apparatus in which the present invention is applied to a blade of a normal plane whose blade edge is orthogonal to the length direction has been described. A polishing apparatus for a blade that is not orthogonal to the direction can also be configured according to the present invention.

In the embodiment of the present invention, the blade 1 is
g is pressed into contact with the blade receiving portion 11z to be mounted on the polishing apparatus 10. That is, the reference surface on the blade 1 side is the blade base surface 1g. The polishing angle setting means is composed of a blade length scale 30e and a blade angle scale 18f, whereby the blade angle priority polishing and the polishing conditions in the polishing angle priority polishing are set.

As for the structure for determining the relationship between the polishing apparatus and the blade, various other embodiments can be proposed.
As shown in FIG. 21, a polishing apparatus 240 of another embodiment 3
The blade length scale 30e and the blade angle scale 18f that constitute the polishing angle setting means in the polishing device 10 are replaced with a blade length scale 30g and a blade angle scale 18h. Since they have the same configuration, the same reference numerals are given and the description is omitted.

In the polishing apparatus 240, the polishing apparatus 10
Similarly to the above, the blade 1 is mounted by being pressed against the blade receiving portion 11z with the blade base surface 1g as a reference surface, but the grinding angle setting means is performed by the blade edge length n and the blade edge angle ω of the blade 1. The cutting edge length display point corresponding to the cutting edge length n on the cutting edge length scale 30g is defined as 30i. Edge angle scale 18h at a position facing the edge length display point 30i
The upper display point is defined as a cutting edge display point 18i.

Head contact portion 30h and cutting edge length display point 30i
Is a distance in the front-rear direction between y and x, and a distance in the front-rear direction between the roller shaft center 21d and the cutting edge angle display point 18i is x. The distance between the roller axis 21d and the blade surface 1b is i, the radius of the roller 21 is r, the blade angle is ω, the blade length is n, and k is a constant. When this is done, each symbol y, x, i,
The relations of Equations 11 and 12 hold between r, ω, n, and k.

[Equation 11]

(Equation 12) The relational expressions are the relational expressions 3 and 4 of the polishing apparatus 10 of the embodiment.
In comparison with, the blade angle φ changes to the blade angle ω, and the roller axis 2
H is the distance between roller shaft center 21d
It can be said that the same relational expression is obtained only by changing the distance between i and the cutting edge surface 1b to i.

If the edge length scale 30g and the edge angle scale 18h are formed according to the relational expressions of Equations 11 and 12, the edge angle display point 18i opposite to the edge length display point 30i corresponding to the edge length n can be obtained. The cutting edge angle ω of the blade 1 can be represented.

The polishing apparatus 240 of the third embodiment has the advantage that the dimensions of the edge length and the edge angle are easy to measure from the blade. Depending on the variation of the wedge shape, etc., the polishing device 24
There is also a disadvantage that a difference occurs between the set value on the 0 side and the included angle ω of the blade 1.

On the other hand, various methods for avoiding this difference can be proposed. For example, by changing the structure of the blade fixing means of the polishing apparatus 10, a blade receiving portion is provided on the blade edge surface 1b side, and a blade fixing screw is provided on the blade base side, and
The structure is such that the b-side is pressed against the blade receiving portion, and the grinding angle setting means is constituted by the blade length and the blade angle.

According to this configuration, the cutting edge surface 1b is a reference surface, and the cutting edge length is a cutting surface 1 which is a mounting surface to the polishing apparatus.
The distance on the b side has the advantage of being less affected by variations in the blade thickness and the wedge shape of the blade thickness, and has the advantage that there is little difference from the settings. 1i and the like, the flatness is inferior to that of the blade base surface 1g, and there are disadvantageous aspects such as a factor of deteriorating the setting accuracy and a difficulty in realizing the blade fixing means.

In the embodiment of the present invention, the method of fixing the blade in the blade mounting means employs a method in which the blade base surface 1g of the blade 1 is pressed into contact with the blade receiving surface 11z provided on the main body 11. As described above, various methods such as a method in which the blade tip surface 1b is pressed against the blade receiving surface and a method in which both side surfaces are sandwiched can be adopted. In addition to the method using a screw, a method in which a blade is attracted to a polishing apparatus by a permanent magnet may be used as the pressing means. In the embodiment of the present invention, the front-rear direction in the polishing apparatus 10 is defined as a direction in which an intersecting line of the plane orthogonal to the rotation axis of the roller 21 and the blade receiving surface 11z is directed. It can also be said to be the direction in which the line of intersection of the plane perpendicular to the plane and the plane of the blade attached to the polishing apparatus is directed.

With regard to the blade in the plane, there is a blade having a wedge-like shape in which the blade width dimension is smaller on the blade tip side than on the head side with respect to the shape in the width direction. In such a blade, when the blade is attached while being engaged with the width direction positioning means,
The direction of the cutting edge or the cutting edge is shifted from a direction orthogonal to the front-rear direction of the polishing apparatus. The amount of this angle shift is 1
Although the value is about the degree and does not pose a problem in practical use, the purpose of resolving this and realizing an accurate mounting is to provide a polishing apparatus 26 according to another embodiment 4 shown in FIG.
0.

The polishing device 260 differs from the polishing device 10 only in the position of the positioning portion 27a of the side stopper 27. The other parts have the same configuration, and therefore, are denoted by the same reference numerals and description thereof is omitted. The positioning portion 27a of the side stopper 27 of the polishing device 260 is provided with a female screw 27d from the front, and a male screw 36 is screwed into the female screw 27d. A lock nut 37 is screwed into the male screw 36. 36a is a male screw end, which protrudes from the surface of the positioning portion 27a.

In mounting the blade 1, in the width direction, the surface of the positioning portion 27a is directly engaged with the side surface 1c of the blade 1 behind the positioning portion 27a, and the male screw end portion 36a is engaged with the side surface 1c in front. Is done. In the polishing apparatus 260 thus configured, by rotating the male screw 36 and changing the amount of protrusion of the male screw end 36a from the positioning portion 27a, the cutting edge 1f of the cutting tool 1 is moved in the front-rear direction of the polishing apparatus 260. Is adjusted so as to face in a direction perpendicular to the direction. When the adjustment is completed, the lock nut 37 is tightened to fix the male screw 36 to the side stopper 27.
As a result, the cutting edge 1f or the cutting edge 1h of the blade is
0b is oriented in a direction orthogonal to the front-rear direction, and this state is preserved by fastening with the lock nut 37.

Various mechanisms other than the embodiment of the present invention can be proposed as a mechanism in which the roller position adjusting means is constituted by a coarse adjustment mechanism and a fine adjustment mechanism. FIG. 24 shows a polishing apparatus 280 as another embodiment 5, and its outline will be described. Polishing device 28
The adjusting mechanism of the shaft 0 is attached to the body 51 to which the blade 1 is attached.
The first arm 52 and the second arm 53 are rotatably supported.

The first arm 52 is fixed to the main body 51 by a screw 57 that passes through a long hole 51a provided in the main body 51. The long hole 51a has an arc shape, and its center and the center of the shaft 54 are common. Therefore, when the screw 57 is loosened, the first arm 52 can rotate within a range in which the screw 57 is restricted by the long hole 51a. The first arm 52 is provided with a screw hole 52a, and the screw portion 55a of the fine adjustment screw 55 is screwed. The end of the screw portion 55a is engaged with the second arm 53.

A roller 58 is attached to the second arm 53 by a shaft 59.
It is rotatably supported by. The first arm 5
The second and second arms 53 are attracted to each other by a coil spring 56 bridged between them.
As a result, the second arm 53 is pressed against the end of the fine adjustment screw 55, and when the first arm is rotated, the first
The second arm rotates integrally, and when the fine adjustment screw 55 is rotated, the relative positional relationship between the first and second arms changes.

The polishing angle is adjusted in the following two stages. First,
By loosening the screw 57 and rotating the first and second arms with respect to the main body 51, the position of the roller 58 is changed,
Rough adjustment of the polishing angle, that is, coarse adjustment is performed, and then the first arm is fixed to the main body 51 by tightening the screw 57, and the fine adjustment screw 55 is rotated to rotate the roller 5 supported by the second arm.
The position 8 is precisely adjusted, that is, finely adjusted.

The polishing apparatus 10 is provided with a polishing angle setting means based on the blade length m and the blade angle φ, and it is necessary to measure the blade length m and the blade angle φ from the blade 1. The blade dimension measuring device 300 shown in FIG. 33 is an apparatus for performing this measurement, and will be described below. Reference numeral 301 denotes a length scale plate including a stopper portion 301a, a length scale 301b, a long hole 301c, and a burr escape 301e.

Reference numeral 302 denotes a female screw 302a (not shown),
This is an angle plate including an angle scale 302b and a contact end 302c. Reference numeral 303 denotes a thumb screw whose male screw portion has a long hole 3
01c and the female screw 3 provided on the angle plate 302
02a. In the angle plate 302, an angle scale is formed such that the supplementary angle formed by the contact end 301d and the contact end 302c is displayed on the angle scale 302b.

When measuring from the blade, the thumb screw 303 is loosened, the head 1d of the blade is brought into contact with the stopper portion 301a, and the base surface 1g is brought into contact with the contact end 301d.
02 is brought into contact with the polishing surface 1a. Since the burr escape 301e is provided, even if the burr 1e is present on the head of the blade 1, the contact of the contact end 301d with the blade base surface 1g is not affected. The blade 1 is removed by tightening the thumb screw 303. As a result, the intersection 304 between the contact end 301d and the contact end 302c on the length scale 301b indicates the blade length m, and the position of the contact end 301d on the angle scale 302b indicates the blade angle φ.

The blade dimension measuring device 300 can measure the blade length m and the blade angle φ of the blade 1 with a simple operation, and greatly contributes to the efficiency of the adjustment operation of the polishing apparatus 10.

According to the blade polishing apparatus of the first invention,
By adjusting the polisher before attaching the knife to the polisher according to the dimensional value of the knives, the polishing angle of the polisher can be matched with the angle of the cutting edge of the knives, so in rough adjustment and medium precision adjustment This eliminates the need for visual adjustment using a ruler or the like, simplifies the adjustment operation of the polishing angle, and greatly reduces the time required for the adjustment. In particular, when the blade polishing apparatus is used for polishing blades of various sizes, it is necessary to frequently adjust the blade polishing apparatus, and a remarkable effect can be obtained. By the polishing angle priority polishing, the angle of the cutting edge of the blade can be formed to a suitable angle excellent in cutting performance.

In the polishing apparatus according to the second aspect of the present invention, when the blade is mounted on the blade polishing apparatus, the blade positioning means is adjusted according to the dimensional value of the blade so that the polishing apparatus can be set to a state suitable for the blade. Therefore, the work of trial and error is eliminated in attaching the blade to the blade polishing device, and the work efficiency is improved. In particular, in the case of using for polishing blades of various dimensions, a remarkable effect can be obtained because the work of adjusting the blade polishing apparatus to the blades increases.

[0146] In the polishing apparatus of the third invention, the width direction positioning means is configured to determine the position in the width direction by bringing one side surface of the blade into contact with the side stopper. Therefore, one side is open in the width direction, and two sides are open including the front-back direction. When the blade is attached, the U-shaped portion of the main body is obliquely forward from the open side. The blade can be easily placed at the positioning position with the feeling of throwing the blade, and the blade can be easily removed since there are few obstacles, so that the effect of improving the efficiency of the polishing operation can be obtained.

In the blade polishing apparatus according to the fourth aspect of the present invention, since the direction of movement of the roller in the roller position adjusting means is set to the front and rear direction, the variable range of the relative positional relationship with the positioning member in the front and rear direction positioning means is wide. Thus, an effect is obtained that the present invention can be applied to a blade having a wide range of lengthwise dimensions even though it is a small blade polishing apparatus. Also, in the fine adjustment of the roller position, the relationship between the operation amount of the fine adjustment operation end and the change amount of the polishing angle is almost specified, and by providing the detailed polishing angle scale, accurate fine adjustment is possible, and the extra in finish polishing The effect is obtained that accurate adjustment can be performed in setting the polishing angle and the like. In addition, the distance from the blade edge of the blade to the roller is a value determined by the polishing angle regardless of the length dimension of the blade to be mounted, and the polishing angle is a value within a limited range, so that it is almost constant. It becomes easy to grasp the feeling of maximizing the use of the grindstone surface in the polishing work on the grindstone by learning, and the effect of improving the efficiency of the polishing work applied to various blades is obtained.

In the blade polishing apparatus according to a fifth aspect of the present invention, the roller position adjusting means includes a coarse adjusting mechanism as the first adjusting means;
It comprises a fine adjustment mechanism as a second adjustment means.
Therefore, the rough adjustment of the polishing angle is performed by the coarse adjustment mechanism independent of the blade mounting means, so that the mounting work and the adjusting work of the blade are separated, and there is an effect that both the operations are simplified and facilitated. In particular, a remarkable effect can be obtained when the present invention is applied to blades of various sizes in which the ratio of the adjusting operation is high. In addition, since the rough adjustment of the polishing angle can be roughly adjusted by the coarse adjustment mechanism and the fine adjustment can be performed by the fine adjustment mechanism, excellent versatility that it can be easily mounted on blades of various dimensions, and excellent polishing angle Effective for setting
The effect of being able to have a function of precisely adjusting the polishing angle can be obtained.

The polishing apparatus according to the sixth aspect of the present invention is configured such that the main body has a U-shaped portion provided with the blade mounting means, and is composed of two side portions that are substantially perpendicular to the surface of the blade. Therefore, the strength in the surface direction of the side portion of the main body can be increased,
By increasing the depth of the groove in the U-shape, it can be applied to blades with a large length dimension, and it is possible to realize a polishing apparatus applicable to blades with a wide range of dimensions. The effect that the pressing force is uniform, the shape of the main body that is symmetrical with respect to the widthwise bisecting plane can be realized, and the effect that the device can be downsized are obtained.

The blade dimension measuring device according to the seventh aspect of the present invention can measure the blade length m and the blade angle φ of the blade 1 by a simple operation, and uses the blade length of the blade to adjust the polishing angle of the polishing apparatus. m and blade angle φ
Can be obtained, which greatly contributes to the efficiency of adjustment work of the polishing apparatus of the present invention.

[Brief description of the drawings]

FIG. 1 is a side view of a polishing apparatus according to an embodiment.

FIG. 2 is a top view of a polishing apparatus.

FIG. 3 is a front view of the polishing apparatus.

FIG. 4 is a side view of a polishing apparatus.

FIG. 5 is a rear view of the polishing apparatus.

FIG. 6 is a sectional view of the polishing apparatus taken along line XX.

FIG. 7 is a sectional view taken along the line YY of the polishing apparatus.

FIG. 8 is a ZZ cross-sectional view of the polishing apparatus.

FIG. 9 is a sectional view of the polishing apparatus taken along line WW.

FIG. 10 is an explanatory view of a main body.

FIG. 11 is an explanatory view of a fine movement frame.

FIG. 12 is an explanatory view of a coarse movement frame.

FIG. 13 is a side view showing a state where a blade is attached.

FIG. 14 is a top view showing a state in which a blade is attached.

FIG. 15 is a side view showing a state where a blade is attached.

FIG. 16 is a side view showing a state where a blade is attached.

FIG. 17 is a side view showing a state where a blade is attached.

FIG. 18 is a side view showing a state where a blade is attached.

FIG. 19 shows a state of polishing.

FIG. 20 shows a state of polishing.

FIG. 21 is a side view showing a polishing apparatus according to another embodiment 3.

FIG. 22 is a top view showing a polishing apparatus according to another embodiment 4.

FIG. 23 is a top view showing a polishing apparatus according to another embodiment 1.

FIG. 24 is a side view showing a polishing apparatus according to another embodiment 1.

FIG. 25 is a top view showing a polishing apparatus according to another embodiment 2.

FIG. 26 is a block diagram illustrating a configuration of a polishing apparatus according to an embodiment.

FIG. 27 is a block diagram illustrating a configuration of a polishing apparatus according to another embodiment 1.

FIG. 28 is a side view showing a polishing apparatus according to another embodiment 5;

FIG. 29 is a top view of a blade.

FIG. 30 is a side view of a blade.

FIG. 31 is a side view of a conventional polishing apparatus.

FIG. 32 is a top view of a conventional polishing apparatus.

FIG. 33 is a diagram showing a blade dimension measuring device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Knife 10 Polishing device 11 Main body 11a Side surface part 11b Side surface part 11t U-shape part 11u U-shape part 11z Blade receiving part 12 Fine motion frame 13 Coarse motion frame 15 Coarse adjustment shaft 18 Slide nut 18f Edge angle scale 21 Roller 21d Roller shaft center 24 Fine adjustment screw 24e Fine grinding angle scale 27 Side stopper 27a Positioning part 27d Blade width scale 30 Head stopper 30a Positioning part 30e Blade length scale 34 Blade fixing screw

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[Procedure amendment]

[Submission date] November 2, 1996

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] Brief description of drawings

[Correction method] Change

[Correction contents]

[Brief description of the drawings]

FIG. 1 is a side view of a polishing apparatus according to an embodiment.

FIG. 2 is a top view of a polishing apparatus.

FIG. 3 is a front view of the polishing apparatus.

FIG. 4 is a side view of a polishing apparatus.

FIG. 5 is a rear view of the polishing apparatus.

FIG. 6 is a sectional view of the polishing apparatus taken along line XX.

FIG. 7 is a sectional view taken along the line YY of the polishing apparatus.

FIG. 8 is a ZZ cross-sectional view of the polishing apparatus.

FIG. 9 is a sectional view of the polishing apparatus taken along line WW.

FIG. 10 is an explanatory view of a main body.

FIG. 11 is an explanatory view of a fine movement frame.

FIG. 12 is an explanatory view of a coarse movement frame.

FIG. 13 is a side view showing a state where a blade is attached.

FIG. 14 is a top view showing a state in which a blade is attached.

FIG. 15 is a side view showing a state where a blade is attached.

FIG. 16 is a side view showing a state where a blade is attached.

FIG. 17 is a side view showing a state where a blade is attached.

FIG. 18 is a side view showing a state where a blade is attached.

FIG. 19 shows a state of polishing.

FIG. 20 shows a state of polishing.

FIG. 21 is a side view showing a polishing apparatus according to another embodiment 3.

FIG. 22 is a top view showing a polishing apparatus according to another embodiment 4.

FIG. 23 is a top view showing a polishing apparatus according to another embodiment 1.

FIG. 24 is a side view showing a polishing apparatus according to another embodiment 1.

FIG. 25 is a top view showing a polishing apparatus according to another embodiment 2.

FIG. 26 is a block diagram illustrating a configuration of a polishing apparatus according to an embodiment.

FIG. 27 is a block diagram illustrating a configuration of a polishing apparatus according to another embodiment 1.

FIG. 28 is a side view showing a polishing apparatus according to another embodiment 5;

FIG. 29 is a top view of a blade.

FIG. 30 is a side view of a blade.

FIG. 31 is a side view of a conventional polishing apparatus.

FIG. 32 is a top view of a conventional polishing apparatus.

FIG. 33 is a diagram showing a blade dimension measuring device.

DESCRIPTION OF SYMBOLS 1 Blade 10 Polishing device 11 Main body 11a Side portion 11b Side portion 11t U-shaped portion 11u U-shaped portion 11z Blade receiving portion 12 Fine motion frame 13 Coarse motion frame 15 Coarse adjustment shaft 18 Slide nut 18f Blade Original angle scale 21 Roller 21d Roller shaft center 24 Fine adjustment screw 24e Fine grinding angle scale 27 Side stopper 27a Positioning part 27d Blade width scale 30 Head stopper 30a Positioning part 30e Blade length scale 34 Blade fixing screw

Claims (33)

[Claims] 1. A cutting tool mounting means for mounting a cutting tool, a roller, a front-rear positioning means comprising a positioning member with which the head of the cutting tool abuts, and a length dimension indicating a length dimension of the cutting tool. A scale and a corner scale of a blade edge portion representing an angle of a blade edge portion of the blade are provided, and a portion where the head of the blade abuts on the positioning member is referred to as a head abutting portion, and the length direction is defined as Either the dimensional scale or the angular scale of the blade edge portion is provided on the member on the head contact portion side, and the other is provided on a member on the roller axis side, and the roller axis and the head contact portion are provided. The longitudinal scale and the angular scale of the cutting edge are provided so that the relative positional relationship is represented by the relative relationship between the longitudinal scale and the angular scale of the cutting edge, and Dimension scale in the length direction corresponding to the dimension value By determining the relative position of the roller axis and the positioning member in accordance with the displayed value of and the displayed value of the angular scale of the cutting edge, the polishing angle matches the angle of the angle of the cutting edge of the blade. A blade polishing apparatus characterized in that: 2. The method according to claim 1, wherein the length scale is a blade length scale representing a blade length, and the angle scale of the blade edge is a blade angle scale representing a blade angle. Item 2. The knife polishing device according to Item 1. 3. A roller position adjusting means for adjusting the position of the roller, two members whose relative positional relationship changes with the adjustment of the position of the roller, and a reference position between the two members. 2. The blade polishing apparatus according to claim 1, further comprising a reference position setting unit configured to include a reference position display unit for displaying a relationship. 4. The method according to claim 1, wherein an arbitrary point on the blade length scale is defined as a blade length display point, and a point on the blade angle scale opposed thereto is defined as a blade angle display point. At the length display point, the relation formula of the blade length display point of y = km is substantially established, and at the blade angle display point, the blade angle display of x = k− (r + h × cosφ) ÷ sinφ 3. An apparatus according to claim 2, wherein a point relational expression is substantially satisfied. However, if the blade length scale is provided on a member on the head contact portion side, y is the roller shaft between the blade length display point and the head contact portion. When provided on the center-side member, each represents a distance in the approximately front-rear direction between the blade length display point and the roller axis, and x represents the blade angle scale, Between the blade angle display point and the head contact portion, when provided on the member on the side of the roller, and the blade angle display point on the roller shaft side when provided on the member on the roller axis side. Each represents a distance in the front-rear direction substantially between the roller axes, r is the radius of the roller, h is the distance between the roller axis and the blade base surface of the blade attached to the blade mounting means, and m is the radius of the roller. The blade length, φ, represents the blade angle.
k is a constant. 5. When one of the blade length scale and the blade angle scale is used as an index, and the blade angle scale is used as the index, in the relation formula of the blade angle display point, When the index is provided at substantially the same position as the specific point of the edge angle display point obtained by determining the edge angle φ as a constant, and when the edge length scale is the index, the edge length display point 5. The blade polishing apparatus according to claim 4, wherein in the relational expression, the index is provided at substantially the same position as a specific point of the blade length display point, where the blade length m is obtained as a constant. . 6. A cutting edge length scale indicating a cutting edge length, and a corner scale of the cutting edge portion is a cutting edge angle scale indicating a cutting edge angle. The knife polishing device according to the above. 7. An arbitrary point on the edge length scale is defined as an edge length display point, and a point on the edge angle scale opposed thereto is defined as an edge angle display point. Is that a relational expression of a cutting edge length indicating point of y = kn is substantially established, and a relational expression of a cutting edge angle indicating point of x = k− (r + i × cosω) ÷ sinω is substantially satisfied at the cutting edge angle display point. The knife polishing apparatus according to claim 6, wherein: However, when the blade edge length scale is provided on a member on the head contact portion side, y is the roller axis side between the blade edge length display point and the head contact portion. When provided on the member of the above, the blade edge length display point and the roller axis represent substantially the distance in the front-rear direction, respectively, x is the blade angle scale, the member on the head contact portion side If provided on the roller shaft center side between the blade tip angle display point and the head contact portion, between the blade tip angle display point and the roller shaft center when provided on a member on the roller axis side. Each represents a distance substantially in the front-rear direction, r is the radius of the roller, i is the distance between the roller axis and the blade edge surface of the blade attached to the blade mounting means, n is the blade edge length, ω is the Indicates the cutting edge angle.
k is a constant. 8. When one of the edge length scale and the edge angle scale is used as an index, and the edge angle scale is used as the index, the edge angle ω is expressed in the relational expression for the edge angle display point. When the index is provided at substantially the same position as the specific point of the cutting edge angle display point obtained as a constant, and when the cutting edge length scale is used as the index, in the cutting edge length display point relational expression, the cutting edge length 8. The blade polishing apparatus according to claim 7, wherein the index is provided at a position substantially the same as a specific point of the cutting edge length display point obtained by n as a constant. 9. A main body, blade mounting means for mounting a blade on the main body, a roller, and roller position adjusting means for adjusting a position of the roller with respect to the blade mounting means.
It comprises a positioning member movably mounted on the main body, determines a position of the blade mounted on the blade mounting means, and directly or directly determines a positional relationship between the blade positioning means and the blade positioning means and the main body or the roller. A scale representing the size of the blade shown indirectly is provided, and a displayed value on the scale according to the size of the blade is configured to represent a position of the positioning member with respect to the main body, which is adapted to the blade having the size of the displayed value. A blade polishing apparatus, characterized in that: 10. The blade positioning means comprises a front-rear positioning means and a width positioning means, and the front-rear positioning means is movably mounted on the main body, and its moving direction is orthogonal to the rotation axis of the roller. A front-rear positioning member that is oriented substantially in the same direction as the line of intersection of the surface to be mounted and the surface of the blade attached to the blade mounting means, and the width-direction positioning means is movably mounted on the main body and moves A width direction positioning member whose direction is substantially the same as the direction of the rotation axis of the roller, a scale according to the size of the blade, a length scale and a blade in the length direction representing the length direction of the blade. The blade width scale represents the blade width of the, the position of the positioning member in the front-rear direction is represented by the dimension scale in the length direction, and the width direction by the blade width scale Knife sharpener as in claim 9, wherein by being configured to represent the position of the positioning member. 11. An index indicating the blade width scale is provided, and the blade width scale and the index are set so that the relation of z = w ÷ 2-e is established between the blade width display point and the index in the blade width scale. The blade polishing apparatus according to claim 10, further comprising: However, a portion where the blade is in contact with the width direction positioning member is referred to as a side surface contact portion, the blade width is w, and the blade width scale is provided on a member on the side surface contact portion side. Is the distance in the width direction between the blade width display point and the side surface contact portion on the blade width scale is z, and the distance between the index opposed to the blade width display point and the width direction bisecting plane is e. When the blade width scale is provided on the member on the blade mounting means side, the distance in the width direction between the blade width display point on the blade width scale and the width direction bisecting plane is z.
The distance in the width direction between the index facing the blade width display point and the side contact portion is e. 12. A reference comprising: two members whose relative positional relationship changes with adjustment of the position of the roller; and a reference position display means for displaying a reference positional relationship between the two members. The blade polishing apparatus according to claim 10, further comprising a position setting means. 13. A blade body mounting means for mounting a blade on the body, a roller, a roller position adjusting means for adjusting a position of the roller with respect to the blade mounting means, and a blade mounted on the blade mounting means. A width direction positioning means for determining a position in a direction substantially the same as the rotation axis of the roller is provided, and the width direction positioning means is substantially the same as the direction of the rotation axis of the roller, where one side surface of the blade is abutted. A blade polishing device comprising a width direction positioning member attached to a main body movably in a direction. 14. A blade width scale representing the blade width dimension of the blade and an index indicating the blade width scale are provided, and a relation of z = w ÷ 2-e is established between the blade width display point and the index on the blade width scale. 14. The blade polishing apparatus according to claim 13, wherein the blade width scale and the index are provided so as to be satisfied. However, a portion where the blade contacts the width direction positioning member is referred to as a side contact portion, and the blade width of the blade is w.
When the blade width scale is provided on the member on the side surface contact portion side, the distance in the width direction between the blade width display point in the blade width scale and the side contact portion is z, When the distance between the index facing the blade width display point and the width direction bisecting plane is e, and the blade width scale is provided on a member on the blade mounting means side, the blade width in the blade width scale The distance in the width direction between the display point and the bisecting plane in the width direction is z, and the distance in the width direction between the indicator facing the blade width display point and the side contact portion is e. 15. A fore-and-aft direction comprising blade mounting means for mounting a blade, a roller, roller position adjusting means for adjusting the position of the roller with respect to the blade mounting means, and a positioning member with which the head of the blade is brought into contact. Positioning means is provided, and the direction of movement of the roller in the roller position adjusting means is substantially the same as the direction of the line of intersection of the plane perpendicular to the rotation axis of the roller and the plane of the blade attached to the blade mounting means. A knife polishing device characterized by the above-mentioned. 16. The front-rear positioning means can be moved to the main body in a direction substantially the same as the direction of an intersecting line between a surface orthogonal to a rotation axis of the roller and a surface of the blade attached to the blade mounting means. 16. The blade polishing apparatus according to claim 15, wherein the apparatus comprises a positioning member attached thereto. 17. A portion where the blade comes into contact with the positioning member is referred to as a head contact portion, and a lengthwise dimension scale representing a lengthwise dimension of the blade and a corner of a blade edge portion of the blade. Either one of the angular scales of the blade edge portion representing the angle is provided on the member on the head contact portion side, and the other is provided on the member on the roller axis side, and the length scale and the blade edge portion are provided. The relative position of the head contact portion and the axis of the roller are represented in the relative relationship of the angular scale, and the length scale corresponding to the size of the blade and the cutting edge By determining the positional relationship between the head contact portion and the roller axis in accordance with the display value on the angular scale of the portion, the polishing angle is set to the angle of the angle of the cutting edge of the blade attached to the blade attaching means. A contract that is configured to match Knife sharpener of paragraph 16, wherein. 18. The blade length scale, wherein the length scale is a blade length scale representing a blade length, the angle scale of the blade edge is a blade angle scale representing a blade angle, and the blade length scale is provided. When an arbitrary point above is a blade length display point, and a point on the blade angle scale opposed thereto is a blade angle display point,
At the cutting edge length display point, a cutting edge length indicating point relational expression of y = km is substantially established, and at the cutting edge angle display point, a blade of x = k− (r + h × cosφ) ÷ sinφ 18. The blade polishing apparatus according to claim 17, wherein a relational expression of an original angle display point is substantially established. However, if the blade length scale is provided on a member on the head contact portion side, y is the roller shaft between the blade length display point and the head contact portion. When provided on the center-side member, each represents a distance in the approximately front-rear direction between the blade length display point and the roller axis, and x represents the blade angle scale, Between the blade angle display point and the head contact portion, when provided on the member on the side of the roller, and the blade angle display point on the roller shaft side when provided on the member on the roller axis side. Each represents a distance in the front-rear direction substantially between the roller axes, r is the radius of the roller, h is the distance between the roller axis and the blade base surface of the blade attached to the blade mounting means, and m is the radius of the roller. The blade length, φ, represents the blade angle.
k is a constant. 19. When one of the blade length scale and the blade angle scale is used as an index, and the blade angle scale is used as the index, in the relation formula of the blade angle display point, The index is provided at substantially the same position as the specific point of the edge angle display point obtained by determining the edge angle φ as a constant, and the edge length display point relational expression when the edge length scale is the index. 20. The apparatus according to claim 18, wherein the index is provided at substantially the same position as a specific point of the blade length display point where the blade length m is obtained as a constant. 20. The length scale in the length direction is a cutting edge length scale representing a cutting edge length, the angular scale of the cutting edge portion is a cutting edge angle scale representing a cutting edge angle, and an arbitrary point on the cutting edge length scale. Is a cutting edge length display point, and a point on the cutting edge angle scale opposite thereto is a cutting edge angle display point. When the cutting edge length display point is set, a relation expression of a cutting edge length display point of y = kn is given. 18. The cutting edge polishing apparatus according to claim 17, wherein the following expression is substantially satisfied, and a relational expression of a cutting edge angle display point of x = k− (r + i × cosω) ÷ sinω is substantially satisfied at the cutting edge angle display point. However, when the blade edge length scale is provided on a member on the head contact portion side, y is the roller axis side between the blade edge length display point and the head contact portion. When provided on the member of the above, the blade edge length display point and the roller axis represent substantially the distance in the front-rear direction, respectively, x is the blade angle scale, the member on the head contact portion side If provided on the roller shaft center side between the blade tip angle display point and the head contact portion, between the blade tip angle display point and the roller shaft center when provided on a member on the roller axis side. Each represents a distance substantially in the front-rear direction, r is the radius of the roller, i is the distance between the roller axis and the blade edge surface of the blade attached to the blade mounting means, n is the blade edge length, ω is the Indicates the cutting edge angle.
k is a constant. 21. When one of the edge length scale and the edge angle scale is used as an index, and the edge angle scale is used as the index, the edge angle ω is expressed in the equation relating to the edge angle display point. When the index is provided at substantially the same position as the specific point of the cutting edge angle display point obtained as a constant, and when the cutting edge length scale is used as the index, in the relation expression of the cutting edge length display point, the cutting edge length n 21. The blade polishing apparatus according to claim 20, wherein the index is provided at substantially the same position as a specific point of the cutting edge length display point, which is obtained as a constant. 22. A blade length scale, the angle scale of the blade edge portion is a blade angle scale, and the blade length scale is provided on the positioning member. 18. The blade cutting device according to claim 17, wherein the angular scale is provided on a member that is interlocked with the roller when adjusting the position of the roller by the roller position adjusting unit. 23. When an arbitrary point on the blade length scale is set as a blade length display point and a point on the blade angle scale opposite thereto is set as a blade angle display point, At the length display point, the relation formula of the blade length display point of y = km is substantially established, and at the blade angle display point, the blade angle display of x = k− (r + h × cosφ) ÷ sinφ 23. The blade polishing apparatus according to claim 22, wherein a point relational expression is substantially satisfied. Here, y represents the distance between the blade length display point and the head contact portion, x represents the distance in the front-rear direction between the blade angle display point and the roller axis, respectively, and r represents the distance in the front-rear direction. The radius of the roller, h is the distance between the roller axis and the blade surface of the blade mounted on the blade mounting means, m is the blade length, and φ is the blade angle. k is a constant. 24. A reference position constituted by two members whose relative positional relationship changes with the adjustment of the position of the roller, and reference position display means for displaying a reference positional relationship between the two members. 18. The blade polishing apparatus according to claim 17, further comprising setting means. 25. A main body, a blade mounting means for mounting a blade on the main body, a roller, and a roller position adjusting means for adjusting a position of the roller with respect to the blade mounting means, wherein the roller position adjusting means is a first one. A blade polishing apparatus, comprising: a coarse adjustment mechanism as an adjustment means and a fine adjustment mechanism as a second adjustment means. 26. A first member movably attached to the main body, and a second member movably attached to the first member, wherein the roller is rotatably attached to the first member. A member, fixing means for fixing the second member to the first member, and a fine drive mechanism for changing a distance between the main body and the first member, wherein the fine adjustment mechanism comprises: By operating the fine drive mechanism,
Changing the position of the second member fixed to the first member and the first member by the fixing means with respect to the main body, and adjusting the position of the roller with respect to the blade mounting means; By changing the position of the second member with respect to the first member, the coarse adjustment mechanism being movable relative to the first member by operating the fixing means, the blade attaching means of the roller 26. The blade polishing apparatus according to claim 25, wherein the position of the blade polishing apparatus is adjusted. 27. An apparatus according to claim 26, wherein said fine drive mechanism is provided with a scale having a value representing the angle of the blade edge of said blade in detail. 28. A display device comprising: two members whose relative positional relationship changes with adjustment of the position of the roller; and a reference position display means for displaying a reference positional relationship between the two members. 26. The blade polishing apparatus according to claim 25, further comprising a reference position setting unit. 29. A first member movably attached to the main body, and a second member movably attached to the first member, wherein the roller is rotatably attached to the first member. A member, fixing means for fixing the first member to the main body, and a fine drive mechanism for changing a positional relationship between the first member and the second member, wherein the fine adjustment mechanism comprises: By operating the fine drive mechanism, the position of the second member with respect to the first member fixed to the main body by the fixing means is changed, and the position of the roller with respect to the blade mounting means is adjusted. The coarse adjustment mechanism is configured to allow the first member to be movable with respect to the main body by operating the fixing means, and to change positions of the first member and the second member with respect to the main body. 26. The blade polishing apparatus according to claim 25, wherein the position of the roller with respect to the blade mounting means is adjusted by adjusting the position of the roller. 30. The blade polishing apparatus according to claim 27, wherein said fine drive mechanism is provided with a scale formed by a value representing the angle of the blade edge of said blade in detail. 31. A body comprising: a main body; blade mounting means for mounting a blade provided on the main body; a roller; and roller position adjusting means for adjusting a position of the roller with respect to the blade mounting means. A blade having a U-shaped portion and having two side surfaces substantially perpendicular to a surface of the blade attached to the blade mounting means, wherein the blade mounting means is provided on a groove wall portion of the U-shaped portion. A blade polishing device comprising a blade pressing means provided on a member connecting a receiving portion and a groove wall side facing the blade receiving portion. 32. A rotary shaft of a roller is disposed so as to be substantially orthogonal to the two side portions, and a tool receiving portion and a back escape from the tool receiving portion along an inner edge of the U-shaped portion. 32. The blade polishing apparatus according to claim 31, wherein the blade mounting unit is configured to mount the blade by pressing the blade against the blade receiving portion. 33. An angle scale plate having an angle scale and a polishing surface contact end is rotatably and slidably attached to a length scale plate having a stopper, a length scale, and a tool surface contact end. When the head of the blade is brought into contact with the stopper, the blade surface contact end is brought into close contact with the polishing surface, and the polishing surface contact end is brought into close contact with the polishing surface, depending on the positional relationship between the length scale plate and the angle scale plate. A blade size measuring instrument characterized in that the length dimension of the blade and the angle of a blade edge portion are represented.