JPH09272048A - Jig for back surface finishing of scissors - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a pair of scissors to be grounded easily in a good manner with edges thereof being prevented from being abraded excessively by performing back surface grinding finishment through fixation of contact part of the scissors which making edge tips free ends. SOLUTION: In a jig for performing back surface finishment of a pair of scissors W by supporting the scissors W to push them against a grinding surface of a grinder, and moving them right and left, the scissors W are fixed, with the contact point W2 or the vicinity thereof being detouchable between a reception member 6 and a fixation member 7 formed on a base 5, whereby the scissors W is supported so that an edge tip may be a free end in a lateral posture where an axial line P is almost perpendicular to the rotational direction of the grinder, and a magnet member 8 is mounted on the base 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a backing jig capable of accurately backing scissors for hairdressing and beauty.

[0002]

2. Description of the Related Art Generally, scissors used for hairdressing and cosmetics are outsourced to a professional scissors lab when the scissors are cut off. The scissors lab first removes the setscrews from the scissors and disassembles the left and right scissors. In this state, the scissors are backfilled, the blade edges are finished, and the scissors are reassembled. The back scrubbing work of the scissors is generally carried out by a skilled worker by hand-grinding the scissors, and by reciprocating in the lateral direction while pressing the gutter bottom of the scissors against the grinding surface of the grinder, and grinding the scissors. This is completed by performing blade cutting over the entire length and then performing blade finishing on the blade surface.

[0003]

However, in the above-mentioned conventional back-polishing work by hand-held sharpening, the sharpness is different for each worker, and an unstable back-lining posture is brought about, so that a sharpening error is likely to occur and a high degree of skill is required. There is a problem that it takes a long time to finish or finish.

[0004]

In order to solve the above-mentioned conventional problems, a scissor backing jig according to the present invention firstly supports a scissor body W and presses it against the grinding surface of a grinder 2. In a jig that performs back lining by moving it to the left and right, the jig 1
Between the receiving member 6 and the fixing member 7 formed on the base 5 of
By supporting the scissors W detachably at the contact point W2 or in the vicinity of the contact point W2, the core point P is supported so that the blade tip W5 has a free end shape in a sideways posture substantially orthogonal to the rotation direction of the grinder 2. It is characterized by doing.

Secondly, the upper part of the scissors W sandwiched between the receiving member 6 and the fixing member 7 is fixed by pressing with the fixing piece 60.

Thirdly, while the jig 1 is placed on the receiving table 3 provided on the front surface of the grinder 2, the jig 1 is slid through the base 5 to move the scissors W. It is characterized by performing back lining.

Fourthly, the pedestal 3 is attached to the grinding surface of the grinder 2 so as to be tiltable in the front-rear direction.

Fifth, the base 8 is provided with a magnet 8 and the distance between the magnet 8 and the pedestal 3 is adjustable.

[0009]

An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 is a jig for detachingly fixing the scissors W to perform back slicing work, and by operating the jig 3 of the grinder 2 so as to be slidable in the front-back and left-right directions, the gutter bottom of the scissors W By sharpening the W1 side against the grinding surface of the grinder 2 so as to grind or polish it, a sharp cutting edge W2 can be easily and accurately formed over the entire length.

In this embodiment, the grinder 2 is
A finishing grindstone 22 having a diameter of about 250 mm and a width of about 50 mm is attached to a rotary shaft 21 of the motor 20. The motor 20 is a DC motor that converts DC and maintains low speed torque. However, the rotation speed can be adjusted in the range of 300 to 1000. The jig 1 is provided with a receiving member 6 and a fixing member 7 for sandwiching and fixing a contact point W3 of the scissors W or a portion in the vicinity of the contact point W3 on a base 5 having a flat back surface. A magnet 8 is attached to the pedestal 3 so as to be attracted thereto so as to be slidably pressed so that the attraction force can be adjusted.

The base 5 is provided with a receiving seat 5U which is formed in an L shape in a plan view and protrudes about the thickness of the scissors W or slightly longer than the thickness of the scissors W, and the receiving seat 5U is provided with the receiving seat at the front end thereof. The member 6 is erected, and a fixing member 7 in which a fixing screw 7a is screwed so as to be capable of advancing and retreating is provided at the rear of the member 6 so as to have an interval for inserting the scissors W. Further, with the scissors W mounted above the receiving seat 5U and held by the scissors, a fixing piece 60 for pressing and fixing the scissors W from above is screwed with an adjusting screw 62 into an elongated hole 61 formed therein. It is possible to move up and down by
A handle 63 is formed on the upper portion of the fixed piece 60 so as to project forward.

A guide pin 65 is provided on the lower surface of the receiving member 6 so as to restrict the movement of the jig 1 in the backward direction between the receiving base 3 and the receiving base 3 within a predetermined range. .
On the other hand, the magnet 8 is provided with an adjusting piece 81 having a mounting hole 80 formed therein, and the adjusting piece 81 is erected on the rear portion of the lateral piece 5a of the base 5 in a long hole 50a of the mounting piece 50. 51
It is mounted so that it can be adjusted up and down by screwing, and the height H between the magnet 8 and the pedestal 3 is adjusted to allow the slide movement of the jig 1 to be performed, and the pedestal 3 is attached to the pedestal 3 with a pressing force that facilitates work. I try to make it suck.

This makes it possible to easily select the optimum pressing force at the time of slide movement that differs for each worker, and at the same time, after the vertical piece 5b of the base 5 extending rearward from the magnet 8 is arranged. When the front side of the jig 1 is moved up and down using the edge as a fulcrum, it is possible to perform a back lining work that can easily perform a minute vertical movement. Further, since the jig 1 exerts the pressing force mainly by the attractive force of the magnet 8 without increasing its own weight, it can be easily and without error removed from the pedestal 3 against the attractive force of the magnet 8. The jig 1 is light in weight and can be easily handled. Reference numerals 9 and 9a denote T-shaped auxiliary receiving members that are pressed against the front portion of the base 5, and when supporting the side surface and the tip portion of the scissors body W4 when setting the scissors body W on the jig 1. It is used.

In FIG. 2, reference numeral 10 denotes a support mechanism for supporting the pedestal 3 so that the pedestal 3 can be adjusted in the front-rear direction and the inclination in the front-back direction. In addition, the supporting frame 15 is attached so as to be movable back and forth via the adjusting screw 12, and the pedestal 3 is rotatably supported above the supporting frame 15 via the support shaft 13. The pedestal 3 has a screw piece 17 pivotally supported on the end of the operating piece 16 extending downward from the pedestal 3 through a pivot pin 17a in the middle of the supporting frame 15. A screw rod 18 with a handle 18a screwed into the screw piece 17 is provided so as to be connected. When the operating piece 16 is moved back and forth by the operation of the handle 18a, the pedestal 3 is supported by the spindle 1.
The tilt can be adjusted in the front-rear direction around the center point 3.

With the above construction, the jig 1 is placed on the pedestal 3 as shown in FIG. 4 with the scissors W attached and fixed, and the base 5 is slidably brought into contact with the jig 1 to the right and left (lateral direction). By performing reciprocating movement twice, it is possible to accurately and easily perform the back slicing work of the scissors body W. After performing the attaching work, the pair of left and right scissors bodies W can be assembled and restored to the original scissors W0.

In the above-mentioned work, the scissors body W has the contact point W3 portion joined to the receiving member 6, and the fixing screw 7a of the fixing member 7 is screwed into the scissors body W3 or the contact point W3 between them. The vicinity of the contact point W3 is pressed and fixed, and the fixing piece 60 fixes the seat 5U vertically. In this case, when the fixing screw 7a and the fixing piece 60 are temporarily tightened, the auxiliary receivers 9 and 9a are brought into contact with the surface of the scissors body W and the proper positions of the tip end to make the blade tip W5 and the stop hole W6. After the core wire P connecting to and has a height H which is the same as the center height of the stopper hole W6 from the seat 5U, the core wire P is made substantially horizontal and parallel to the bottom surface of the base 5, and then the fixing screw 7a.
And the fixing piece 60, and the auxiliary receivers 9 and 9a are pivotally separated from each other to form the blade tip W5 in a free end shape.

As shown in FIG. 2, the jig 1 having the scissors W set in this way is provided with the gutter bottom W1 of the scissors W on the pedestal 3 from the base side, that is, the contact point W3 side to the polishing surface of the grindstone 22. When pressing and starting to sharpen, the handle 18a is operated so that the line P1 connecting the core line P of the scissors W and the center of the rotating shaft 21 of the grindstone 22 is the rotating shaft 21.
The angle of the pedestal 3 is set to be slightly inclined forward so that the angle θ is slightly above the horizontal axis P2. Then, after the above preparation, the jig 1 is moved rightward on the pedestal 3 by an appropriate number of times so that the gutter bottom W1 of the scissors W is lightly contacted with the polishing surface. Has a circular arc surface of substantially the same shape as the grindstone 22, and a sharp blade can be accurately and accurately formed along the blade line W7, and the back shaving operation is completed.

At this time, since the contact point W3 of the scissors W is clamped and fixed, the blade tip W5 is free to bend in the front-back direction due to the elasticity of the scissors W4.
When the gutter bottom W1 is moved to the left while being pressed against the grindstone 22, the pressing force against the polishing surface on the side of the cutting edge W5, which becomes gradually narrower, can be adjusted while allowing the pressure to gradually decrease, and this part can be sharpened. It is possible to satisfactorily prevent excessive sharpening and to easily form a proper blade line of the blade tip W2 over the entire length. Further, in the above-mentioned back slicing work, the guide pin 5G projecting downward in front of the base 5 is fixed to the pedestal 3
By abutting on the front edge of, and moving the jig 1 in the lateral direction while inclining the jig 1 in plan view with this as a fulcrum, it becomes possible to easily carry out polishing using the corner portion of the polished surface, It is possible to satisfactorily perform back lining work while finely adjusting the sharpening.

Further, in such a back slicing work, the magnet 8 is provided behind the horizontal piece 5a of the base 5 so as to be separated from the pedestal 3. Therefore, by sandwiching a foreign substance therebetween, the back siding angle can be adjusted. It is possible to prevent the jig 1 from being out of order, and it is possible to slidably support the jig 1 on the receiving table 3 with an appropriate pressing force by the magnet 8. Therefore, the cradle 3
The weight of the jig 1 is reduced by the attraction force of the magnet 8 without increasing the weight of the jig 1 by itself to increase the pressing force to the jig 1. It is possible to satisfactorily prevent lifting and improve backing precision and handleability.

The vertical piece 5b, which is formed on one side of the jig 1 and is elongated rearward, can stably support the jig in the front-rear direction without enlarging the base 5, and slides on the pedestal 3. It is possible to move smoothly. still,
In the above embodiment, the jig 1 is shown to perform the back lining work by sliding on the pedestal 3, but the receiving member 6 and the fixing member 7 for sandwiching and fixing the scissors W are provided with the grinder main body 25. It may be configured to be attached to a laterally reciprocating support arm (not shown) provided on the side.
Further, the scissors W includes a receiving member 6 and a fixing member 7 which are erected on the base 5.
The holding means is not limited to the above, but the holding means may be held and fixed from one of the members. Further, the scissors W may be sharpened in a posture in which the scissors WO are fixed in the expanded state without being disassembled.

[0021]

Since the present invention is constructed as described above, the following effects can be obtained.

According to the first aspect of the present invention, the contact point portion of the scissors is sandwiched between the receiving member and the fixing member in a horizontal posture, and the trough is placed on the polishing surface so that the core wire is orthogonal to the rotation direction of the polishing surface. Since it is made to grind while facing in the horizontal direction while being moved in the lateral direction, it is possible to precisely grind the gutter bottom along the core wire and form the cutting edge easily and satisfactorily over the entire length. Further, at this time, if the contact point portion is fixed and the blade tip side is formed into a free end so as to perform back lining, it is possible to sharpen in a state where the sharp edge of the blade tip side is prevented from being excessively sharpened.

According to the second aspect of the present invention, the contact point portion is sandwiched between the receiving member and the fixing member, and the contact piece is pressed and fixed from above by the fixing piece, whereby the lateral support of the scissors body is stably fixed and a grinding error occurs. It is possible to prevent the back scissors from being satisfactorily carried out.

According to the invention of claim 3, on the pedestal installed on the grinder in the back lining posture, a jig having the scissors fixedly supported is slidably moved by sliding its base to perform the back lining work. It can be performed accurately and easily.

According to the invention of claim 4, the pedestal can be tilted in the front-back direction with respect to the grinding surface of the grinder, and the backing can be removed depending on the size of the scissors attached to the jig and the shape of the cutting edge. It can be done well.

According to the invention of claim 5, a magnet is provided on the base of the jig so that the jig can be stably placed on the pedestal, and the height of the magnet can be adjusted so that the jig can be slid during movement. The suction resistance can be easily adjusted and the back lining work can be performed well.

[Brief description of drawings]

FIG. 1 is a perspective view showing scissor backing work using a jig according to the present invention.

FIG. 2 is a side view showing the work of FIG.

FIG. 3 is a rear view of FIG. 2;

FIG. 4 is a plan view of FIG.

FIG. 5 is a front view showing the gutter bottom side of the scissors body.

[Explanation of symbols]

 1 jig 2 grinder 3 cradle 5 base 6 receiving member 7 fixing member 8 magnet 60 fixing piece P core wire W scissors W1 gutter bottom W2 contact point W5 cutting edge

Claims (5)

[Claims] 1. A jig for back lining by supporting a scissor body (W) and moving it to the left and right while pressing it against the grinding surface of a grinder (2), and using it on the base (5) of the jig (1). The scissors body (W) is formed between the formed receiving member (6) and the fixed member (7).
By removably fixing the contact point (W2) or the vicinity of the contact point (W2), the tip (W5) can be freely set in a lateral posture in which the core wire (P) is substantially orthogonal to the rotation direction of the grinder (2). A jig for backing scissors that supports the edge. 2. The scissors backing jig according to claim 1, wherein the upper part of the scissors body (W) sandwiched between the receiving member (6) and the fixing member (7) is fixed by pressing with a fixing piece (60). . 3. The jig (1) is placed on a pedestal (3) provided on the front surface of the grinder (2), and the jig (1) is placed on the pedestal (3) via a base (5). The scissors backing jig according to claim 1 or 2, wherein the scissors body (W) is back-slipped by sliding. 4. The scissors backing jig according to claim 3, wherein the pedestal (3) is mounted so as to be tiltable in the front-back direction with respect to the grinding surface of the grinder (2). 5. The scissors according to claim 1, 2 or 3 or 4, wherein the base (5) is provided with a magnet (8) and the distance between the magnet (8) and the pedestal (3) is adjustable. Jig for back lining.