JPH0222208Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a jig for surface polishing work performed using various types of sanders after applying putty in the sheet metal painting process of automobile bodies and the like.

In sheet metal painting for automobile bodies, etc., not only color and gloss, but also smoothness, three-dimensional elegance, tactility, etc. are highly required, so the poly putty coating and polishing work as a pre-painting process are particularly important. This is important work. Particularly in automobile repair shops, no matter how carefully the sheet metal repair work is performed, if the polishing work after applying poly putty is not done properly, the original smoothness, tactility, and three-dimensional elegance may be lost even after painting. cannot be obtained. This polishing finish after applying poly putty has traditionally been done by roughly covering the entire sheet metal repair surface with poly putty, leveling it with a wooden spatula, etc., drying it, and then applying the putty to the surface (hereinafter referred to as the "putty surface"). However, it takes a lot of time and effort to do it completely by hand using paper, so various hand tools such as air and electric sanders are now being used. However, most of the sheet metal surfaces of automobile bodies and the like are curved surfaces, and there are almost no truly flat surfaces. Therefore, even if you use the above-mentioned hand tools that utilize reciprocating motion, rotational motion, vibration, etc., the depth of grinding may vary depending on how the worker holds the sander and how much force is applied. After applying the topcoat, the painted surface becomes wavy or distorted, so this polishing work is a tedious task that relies heavily on the operator's intuition and years of experience. A typical prior art is Utility Model Opening in 1978
Shown in 15489. In this prior art, a disc-shaped marble is configured to be rotated by a motor installed directly above the disc-shaped marble. A protruding square bar is attached. The lower end of this square rod can come into contact with the surface to be polished. The outer peripheral surface of the marble is formed to be sufficiently smaller than the virtual square.

In such prior art, for example, when polishing the outer circumferential surface of a cylindrical curved surface, the lower end of a diagonal square bar is aligned with a ridge line (i.e., a generatrix) parallel to the axis of the cylindrical outer circumferential surface. The polishing jig must be run in this condition, otherwise a smooth polished surface cannot be obtained. Therefore, in such prior art, it is not possible to manually move the polishing jig, and a separate traveling device must be provided to move the polishing jig.

Moreover, another problem with this prior art is that, for example, when polishing a cylindrical surface to be polished, if the curvature of the polishing surface is different, the position of the lower end of the pair of square bars on the remaining diagonal lines must be adjusted. It has to be fixed. Such adjustment work requires skill.

An object of the present invention is to provide a putty polishing jig that is capable of manually polishing a manually curved polishing surface with high quality and has a simplified configuration.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of a putty polishing jig according to the present invention will be described below based on an embodiment shown in the drawings. This embodiment has a disc-shaped rotary pad 9 with abrasive paper attached to its lower surface, and a disc-shaped rotary pad 9 that rotates around its central axis, and that is concentric with the rotary pad 9 directly above the rotary pad 9. A roughly L-shaped sander 11 having a cylindrical fixing boss 8 and a handle portion extending laterally from the upper end of the fixing boss 8, and a sander 11 that surrounds the fixing boss 8 and is removably fixed. A pair of half-split boss parts 3 and a jig frame 1 that is continuous to the lower part of the boss parts 3 and is rectangular in a plane perpendicular to the axis of the rotary pad 9,
Mutually parallel hanging walls 1a with downward short sides on the outer periphery,
1b, mutually parallel hanging walls 1c, 1d on the long sides, hanging walls 1a, 1b on the short sides, long sides 1c,
11d are mutually orthogonal, long side hanging walls 1c, 1
d is the outer circumferential surface 1c immediately above the outermost circumference of the rotating pad 9.
1 and 1d1, respectively, and a rotating pad 10
Concave portions 1c2 and 1d2 that are concave upward near the outermost periphery of
The short side hanging walls 1a and 1b are spaced apart from the rotating pad 9, and the short side hanging walls 1a and 1b are spaced apart from the rotating pad 9.
The lower end surfaces of a, 1b and long side hanging walls 1c, 1d are:
It has such a jig frame 1 located above the polishing paper 10, and has a lower end surface which is a gauge line 7 in a plane perpendicular to the axis of the rotating pad 10, and is vertically displaced to adjust the droop of the short side. It is characterized by having gauge plates 2 fixed to the outer peripheral surfaces of walls 1a and 1b, respectively.

In the figure, 1 is a jig frame, which is rectangular. A slide gauge plate 2 is attached to the outer surface of one opposing side plate of the jig frame 1 by a vertical adjustment screw 5 and a fixing screw 6, and the lower end surface of the slide gauge plate 2 has a smooth gauge line 7. It is formed as. A sander 1 is placed above the top surface of the jig frame 1.
The boss portion 3 fits into the fixed boss 8 of No. 1 in a split-clamp manner.
are connected by appropriate arms 4 so that their center lines are the same as the jig frame 1. When this jig frame 1 is attached to the sander 11, the abrasive paper 10 is attached to the rotary pad 9 of the sander 11.
The outer periphery of the slide gauge plate 2 when attached can reach the outer edge line of the side plate on the non-attached side of the slide gauge plate 2 of the jig frame 1.

The upper end of the gauge plate 2 can be vertically adjusted by a vertical adjustment screw 5 inserted through the jig frame 1.

While inserting the short side hanging walls 1a and 1b,
The short side hanging wall 1
a, 1b and the gauge plate 2 are fixed in an adjustable manner.

The vertical movement adjusting screw 5 and the fixing screw 6 are spaced apart from each other in the longitudinal direction (vertical direction in FIG. 2) of each hanging wall 1a, 1b on the short side, and the vertical movement adjusting screw 5 and the fixing screw 6 Two of them are provided at positions shifted from each other.

One half portion 14 of the boss portion 3 and the upper end portions of the short side hanging walls 1a, 1b of the jig frame 1 are connected by a pair of arms 4.

The one half part 14 and the other half part 15 of the boss part 3 are in contact with each other in planes parallel to the long side hanging walls 1c and 1d, so that they can be attached and detached.

Therefore, in order to perform polishing by attaching the poly putty polishing jig according to the present invention to a sander, the fixing boss 8 of the sander is fitted into the hole of the split-shaped boss portion 3, and the jig is attached to the sander 11. , the pad 9 is reattached, and paper 10 of the desired grain size is adhered to the surface of the pad. In order to obtain the required grinding depth, the parallelism of the plane formed by the surface of the paper 10 and the gauge lines 7 of both slide gauge plates 2 and the relative height of both are adjusted by adjusting the vertical adjustment screw 5 and the fixing screw of the slide gauge plate 2. Adjust with 6. Thereafter, the gauge wire 7 of the jig is applied to the putty surface, and the sander 11 is polished with the hand holding the sander 11 while reciprocating or rotating it as in the conventional method.

As described above, according to the poly putty polishing jig according to the present invention, the polishing can be performed simply by bringing the gauge wire 7 into contact with the putty surface, without having to adjust the force with which the paper 10 is pressed against the putty surface by intuition as in the past. The depth is constant, and the distance between both gauge lines 7 is larger than the longest distance within the rotational movement range of the paper 10, so that the polished surface can be finished into a smooth curved surface without any waves. At the same time, even if one side of the gauge wire 7 rises, the paper 10 on the other side is prevented from digging into the putty surface more than necessary. . Further, the rotary pad 9, that is, the paper 10
The structure is such that the outer periphery of the slide gauge plate 2 of the jig frame 1 can reach the outer edge line of the side plate on the non-installed side, regardless of the presence or absence of obstructions such as protrusions that hit the jig frame 1 on the putty surface. The entire putty surface can be polished without leaving any residue. For example, when using a paper jig that rotates within the circle of the ring-shaped gauge part 12 shown in FIG. 4 for comparison with the present invention, the gauge part 12 hits the door handle 13 of the body and However, with the poly putty polishing jig according to the present invention, the putty surface can be polished without leaving any residue even when the jig is attached. In other words, the poly putty polishing jig according to the present invention uses a slide gauge plate that can be attached to various types of sanders and can be freely adjusted, so that even amateurs can easily polish the putty surface to a uniform and smooth surface without having to acquire skills. The surface can be polished.

Note that the present invention can of course be used as is for polishing not only poly putty but also various types of putty.

In particular, in the present invention, the gauge line 7 is on a virtual plane perpendicular to the axis of rotation of the rotating pad 9, and the gauge line 7 is located on a virtual plane perpendicular to the rotation axis of the rotating pad 9,
are parallel to each other. Therefore, when the surface to be polished is, for example, a cylindrical outer peripheral surface, as long as the gauge wire 7 is in contact with the surface to be polished, the line connecting the points of contact between the surface to be polished and the two gauge lines 7 is The axis of the rotary pad 9 is located at this point, so that the surface to be polished can be polished with high quality, and manual polishing becomes possible.

Furthermore, in the present invention, the long side hanging walls 1c, 1
The recesses 1c2 and 1d2 of d are formed so as not to contact the rotary pad 9, and the outer peripheral surfaces 1c1 and 1d1 of the long side hanging walls 1c and 1d coincide with the outermost periphery of the rotary pad 9 ( (See Figure 5). In this way, as described in connection with FIG. 5 above, it becomes possible to polish even the door handle 13 and the like. Such an effect is an excellent effect of the present invention that could not be achieved in the aforementioned Utility Model Application No. 48-15489.

In addition, in the present invention, the sander 11 is roughly L.
It has a letter-like shape, which makes it possible to lower the center of gravity. This makes it easy to maintain the polishing paper 10 in contact with the surface to be polished, thereby improving polishing quality.

In addition, in the present invention, the upper end of the gauge plate 2 can be vertically adjusted by a vertical adjustment screw 5 inserted through the jig frame 1, and the fixing screw 6 is connected to the hanging wall 1a on the short side, The short side hanging walls 1a, 1b and the gauge plate 2 can be adjusted by means of fixing screws 6 which are inserted through the gauge plate 1b and loosely through the part of the gauge plate 2 facing the hanging walls 1a, 1b. The mounting position of the gauge plate 2 can therefore be adjusted. Therefore, polishing accuracy can be improved.

Furthermore, two vertical adjustment screws 5 and two fixing screws 6 are provided at intervals in the longitudinal direction (vertical direction in FIG. 2) of the hanging wall 1a on one short side. Dynamic adjustment screw 5 and fixed screw 6
are provided at mutually shifted positions in the longitudinal direction, and the same is true for the other hanging wall 1b. Therefore, it is possible to easily adjust the vertical movement adjusting screw 5 and the fixing screw 6 using a screwdriver, etc., and also to adjust each hanging wall 1.
Since two vertical adjustment screws 5 and two fixing screws 6 are provided on a and 1b, it is possible to accurately adjust the gauge plate 2 with good workability, and the gauge plate 2 can be adjusted with ease. This makes it possible to prevent shifting from the desired position during work.

Furthermore, in the present invention, one half portion 14 of the boss portion 3 and the upper ends of the short side hanging walls 1a, 1b of the jig frame 1 are connected by a pair of arms 4. , the one half portion 14 of the boss portion 3
The other half part 15 is removable, and these half parts 14 and 15 are attached to the long side hanging walls 1c,
1d (that is, the plane perpendicular to the plane of the paper in FIG. 2 and extending left and right), these halves 14 and 15 are connected to the bolts as shown in FIG. It is possible to easily attach and detach by combining with a nut, and even if the flanges formed on these half parts 14 and 15 are lengthened, the hanging walls 1a and 1b on the short sides can be easily attached and detached. It is possible to prevent the half portions 14 and 15 from protruding to the left and right in FIG. 2, and the structure for connecting the half portions 14 and 15 can be constructed relatively large, making the design easy. Such a half part 14,
15, if the means for interconnecting the jig frame 1
If it protrudes outward, it becomes difficult for the operator to see the surface to be polished from above, resulting in a problem of reduced work efficiency. The present invention solves these problems and facilitates polishing work.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway side view of a poly putty polishing jig according to the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a partially cutaway side view showing a state in which it is attached to a sander.
FIG. 4 is an explanatory diagram showing the working state of the jig which is the basis of the present invention, and FIG. 5 is an explanatory diagram showing the working state of the present invention. 1...Jig frame, 2...Slide gauge plate, 3...
...Boss part, 4...Arm, 5...Vertical adjustment screw, 6...Fixing screw, 7...Gauge wire, 8...Fixing boss, 9...Pad, 10...Paper, 11
...Thunder.

Claims (1)

[Claims for Utility Model Registration] It has a disc-shaped rotary pad 9 with abrasive paper attached to its lower surface, and the rotary pad 9 is rotated around its central axis. It has a cylindrical fixed boss 8 concentric with 9,
A roughly L-shaped sander 11 having a handle portion extending laterally from the upper end of the fixed boss 8; a pair of half-split boss portions 3 that surround the fixed boss 8 and are removably fixed; A jig frame 1 connected to the lower part of the boss portion 3 and having a rectangular shape in a plane perpendicular to the axis of the rotary pad 9,
Mutually parallel hanging walls 1a with downward short sides on the outer periphery,
1b, and hanging walls 1c, 1d on the long sides that are parallel to each other, and hanging walls 1a, 1b on the short sides and hanging walls 1c, 1d on the long sides are mutually orthogonal, 1
The pads c and 1d each have an outer peripheral surface immediately above the outermost periphery of the rotary pad 9, and have concave portions 1c2 and 1d2 that are concave in an arc upward near the outermost periphery of the rotary pad 10, and the hanging wall 1a on the short side. , 1b is the rotating pad 9
The lower end surfaces of the short side hanging walls 1a, 1b and the long side hanging walls 1c, 1d are arranged at intervals in the radial direction of the rotating pad.
It has such a jig frame 1 located above and a lower end surface which is a gauge line 7 in a plane perpendicular to the axis of the rotary pad 10, and whose vertical displacement is adjusted to form hanging walls 1a and 1b on the short sides. The upper end of the gauge plate 2 can be vertically adjusted by a vertical adjustment screw 5 inserted through the jig frame 1. While inserting the short side hanging walls 1a and 1b,
The short side hanging wall 1
a, 1b and the gauge plate 2 are fixed in an adjustable manner, and the vertical adjustment screw 5 and the fixing screw 6 are spaced apart from each other in the longitudinal direction of each of the short side hanging walls 1a, 1b.
In addition, two vertical movement adjustment screws 5 and two fixing screws 6 are provided at mutually shifted positions, and one half portion 14 of the boss portion 3 and the hanging wall 1a on the short side of the jig frame 1 are provided. , 1b are connected to the upper ends of the boss part 3 by a pair of arms 4, and the one half part 14 and the other half part 15 of the boss part 3 are parallel to the long side hanging walls 1c and 1d. A putty polishing jig characterized in that the surfaces are in contact with each other and can be attached and detached.