JPH07115291B2 - End surface finishing device for objects to be polished - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION This invention related <br/> the end surface finishing equipment of workpiece for polishing the end face of the object to be polished in which the plate.

[0002]

2. Description of the Related Art In the case of forming a rounded surface on an end surface of a stone plate or the like that is smoothly continuous between the front surface side and the back surface side, the work of polishing the rounded surface is There has been a strong demand for the development of a device that allows even an unskilled person to keep the rounded surface constant and clean along the longitudinal direction without disturbing the rounded surface.

[0003]

SUMMARY OF THE INVENTION The present invention aims to provide a conventional satisfaction is causing it be Ru end face finishing device requests.

[0004]

In order to achieve the above object, the present invention employs the following means. According to the present invention, the upper surface of the object W to be polished is parallel to the end surface Wa to be polished.
And a rail member 2 that is placed and held as described above, and this rail member 2
A traveling platform 5 that can travel freely along the
The polishing object W projects toward the side where the end surface Wa to be polished is located.
A movable frame 10 movable along the guide bars 9 and 9
Of the polishing machine 30 provided on the moving frame 10 of
Polishing machine biasing mechanism that attracts and biases toward the traveling platform 5
15 and the polishing machine 30 drives a motor or the like.
The rotating shaft center connected to the moving part 31 and the driving part 31
Driving pulley 3 parallel to the longitudinal direction of the rail member 2
From the polishing machine main body 33 having 2 and this polishing machine main body 33
It is projected in a direction orthogonal to the rotation axis of the driving pulley 32.
The fixed lever part 34 and the base part are moved up and down on the polishing machine body 33.
It is swingably connected and protrudes in the same direction as the fixed lever portion 34.
The swinging lever portion 35 that comes out and the rotation of the driving pulley 32
Fix the lever by making the rolling axis and the rotating axis parallel.
It is provided on the portions near the respective ends of the portion 34 and the swing lever portion 35.
Driven pulleys 36, 37 and these driven pulleys 3
2 and the driven pulleys 36 and 37 were hung between them.
Circularly movable annular polishing belt 38 and fixed lever portion 3
4 and the swing lever portion 35, respectively
On the front and back sides of the object to be polished W on the tip side further than the tools 36 and 37
The end of the object to be polished W to be abutted against each flat surface is rotated.
Wheels 41 and 42 along the surface Wa and the fixed lever portion 34
Angle provided in the hip joint between the swing lever portion 35 and
The maintenance mechanism 45 is included.

[0005]

The present invention has the following functions. A polishing belt 38 is stretched between the driven pulley 36 provided near the tip of the fixed lever 34 and the driven pulley 37 provided near the tip of the swing lever 35. However, when the polishing belt 38 of this portion is pressed against the end surface Wa of the object W to be polished, the swing lever portion 35 swings so as to narrow the opening angle with respect to the fixed lever portion 34. As a result, the wheels 41 and 42 provided on the tip side of the driven pulleys 36 and 37 of the fixed lever portion 34 and the swing lever portion 35 face the front and back surfaces of the workpiece W from above and below. They are sandwiched so that they come into contact with each other. Therefore, the opening angle maintaining mechanism 45 is operated to fix the opening angle between the fixed lever portion 34 and the swing lever portion 35, and then the drive portion 31 is operated. Therefore, the driving pulley 3
The polishing belt 38, which is laid between the two and the driven pulleys 36 and 37, circulates to perform polishing.
Further, in this state, the object to be polished W is moved by the wheels 41 and 42 provided on the fixed lever portion 34 and the swing lever portion 35.
Is moved along the end surface Wa to be polished so that the polishing region has a linear width.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on the embodiments shown in the drawings. In this specification, the front means the lower side of FIG. 1, the rear means the upper side of FIG. 1, the left means the left side of FIG. 1, and the right means the right side of FIG. As shown in FIGS. 1 and 2, the polishing machine 30
Is a rail member 2 and a traveling table 5 that support the traveling of the polishing machine 30 along the polishing end surface Wa of the plate-shaped polishing object W.
A guide bar 9 and a moving frame 10 for guiding the polishing machine 30 to approach or separate from the end surface Wa to be polished, and the polishing machine 30 to the end surface Wa to be polished at the time of polishing work.
The end face finishing device 1 for the workpiece W is configured as a whole together with the polishing machine urging mechanism 15 for preventing chattering in the separating direction. Therefore, first, the configuration of each of the above parts as the end surface finishing device 1 will be described.

The rail member 2 is placed on the upper surface of the object W to be polished so as to be along the front-rear direction, and is clamped by the clamp tool 3.
Horizontal mounting plate 2b that can be stopped with, and this mounting plate 2b
The standing wall portion 2a having a predetermined thickness and standing upright vertically.
In addition, an L-shaped angle member or the like is actually used. When the rail member 2 is clamped, the backing reinforcing plate 4 or the like is preferably applied to the back surface of the workpiece W.

The traveling platform 5 is in the form of a box that is elongated in the front-rear direction and is open vertically. Inside the box, the standing wall portions 2a of the rail member 2 are opposed from both left and right sides. A pair of upper and lower guide rollers 6 and 6 sandwiching the rotation axis vertically, and a traveling roller 7 having the rotation axis left and right that abuts the upper surface of the standing wall portion 2a of the rail member 2, Each is rotatably provided. Two pairs of the upper and lower guide rollers 6 and 6 and the traveling roller 7 are provided near the front and rear ends of the traveling table 5. Therefore, the traveling table 5 can travel along the rail member 2 by gripping the grip 8 (see FIG. 4) erected on the upper front side by hand. Two guide bars 9, 9 penetrating in a skewer-like shape in a direction orthogonal to the longitudinal direction of the rail member 2 are provided at upper and lower portions of the traveling platform 5 on the left and right sides.
Are provided, and these guide bars 9 and 9 project to the right of the traveling platform 5, that is, toward the side where the end surface Wa of the object W to be polished is located.

The movable frame 10 is slidably fitted in two guide bars 9, 9 protruding from the traveling table 5, and two slide blocks 11, 1 elongated in the front-rear direction.
1 and a slide base 12 provided so as to connect the lower surfaces of these slide blocks 11 to each other. As shown in FIG. 4, the slide base 12 has a hanging wall portion 13 having a flat surface portion directed downward in the left-right direction, and a polishing machine 30 described later can be attached to the hanging wall portion 13. It has become.

The polishing machine urging mechanism 15 includes the traveling table 5
In the upper part of the frame in the left and right, a crossover plate 16 laid across the left and right, an operation lever 17 held on the upper part of the crossover plate 16 so as to be swingable in the left and right directions, and a radial direction from the swing axis of the operation lever 17. In the portion displaced to the above, the pulling metal fitting 18 swingably connected to the moving frame 10, the towing plate 19 standing upright along the slide block 11 of the moving frame 10 near the traveling table 5, and A towing metal fitting 20 having a hook portion 21 provided at the left end portion and penetrating the towing plate 19 and having a stroke adjusting screw portion 22 at the right end side;
The stroke adjusting screw portion 22 of the tow metal fitting 20 has an adjusting nut 23 screwed therein. Therefore, when the operating lever 17 is raised, the pulling fitting 18
The movable frame 10 can be separated from the traveling platform 5 according to the length of the towing metal 20 and the movable frame 10 can be attracted to the traveling platform 5 by tilting the operation lever 17 to the left. This is something that can be done, and both of these things can be done under one behavior. If the spring 25 is sandwiched between the traveling bar 5 and the moving frame 10 with respect to the guide bars 9, 9, the moving frame 10 can be momentarily separated when the operation lever 17 is raised. It becomes more convenient.

Next, the polishing machine 30 provided for the moving frame 10 will be described. As shown in FIGS. 1 to 4, the polishing machine 30 holds a drive unit 31 such as a fluid pressure (eg, air) motor or an electric motor on the rear surface, and connects the drive unit 31 to the corresponding front surface. The rotation axis is the rail part
It has a plate-shaped grinder main body 33 in which a plane portion is directed vertically and horizontally so that a driving pulley 32 that is parallel to the longitudinal direction of the material 2 is arranged. Further, as shown in FIG. 2, the polishing machine main body 33 is integrally provided with a fixed lever portion 34 that is orthogonal to the rotation axis of the driving pulley 32 and protrudes to the left thereof. On the lower side of 34, a base portion is connected so as to be vertically swingable, and a swing lever portion 35 protruding in the same direction as the fixed lever portion 34 is provided. The driven pulley 3 is attached to each portion of the fixed lever portion 34 and the swing lever portion 35 near the tip.
6 and 37 are rotatably provided, and the rotational axes of the driven pulleys 36 and 37 are parallel to the rotational axis of the driving pulley 32. An annular polishing belt 38 is stretched between the driving pulley 32 and the driven pulleys 36 and 37. The tension of the polishing belt 38 is adjusted so as to allow some slack between the driven pulley 36 and the driven pulley 37 and between the driven pulley 36 and the driven pulley 37. It is like this.
Although not shown, these pulleys 32, 36, 37
Has a structure in which it is formed into a middle-bulging cylindrical shape such as a drum, or is provided with flanges at the front and rear ends of the cylindrical portion, so that the polishing belt 38 can be prevented from coming off and running unevenly. Has become. By the way, as shown in FIG. 3, the threaded portion 36 a for attaching the driven pulley 36 to the fixed lever portion 34 is provided in the hanging wall portion 13 (see FIG. 2) of the slide base 12.
Or, see FIG. 4), the nut 40 is adapted to be screw-fitted at a portion which also penetrates through, and so as to be adjacent to this,
The polishing machine 30 for the moving frame 10 cooperates with the bolt 39 screwed into the fixed lever portion 34 from the hanging wall portion 13 side.
Is being fixed. Although not shown in the drawings, in these fixed portions, one or both of the screw insertion hole portions provided in the hanging wall portion 13 are vertically elongated holes, and the mounting posture of the polishing machine 30 is changed in the vertical direction. Can be adjusted with.

As shown in FIG. 2, the fixed lever portion 34 and the swing lever portion 35 are respectively provided with driven pulleys 36,
It has projecting portions 34a and 35a that extend further leftward than the portion where 37 is provided. Wheels 41 and 42, which are vertically opposed to each other via wheel bases 43 and 44, are provided on the respective protruding portions 34a and 35a. Each of these wheels 41, 42 has its axis of rotation directed to the left and right and is rotatable back and forth along the end surface Wa of the object W to be polished. As shown in FIG. 3, the downward-facing wheels 41 on the side of the fixed lever portion 34 are two on the wheel stand 43, one on the front and the other on the left, and one on the left side thereof, a total of three. The upward wheels 42 correspond to the left-right middle of the downward wheels 41, and
In FIG. 4, two pieces (not shown) are arranged at the front and rear.

An opening angle maintaining mechanism 45 is provided at the hip joint between the fixed lever portion 34 and the swing lever portion 35. The opening angle maintaining mechanism 45 includes a bolt holding joint 46 rotatably connected to the base of the swing lever portion 35.
And a headless bolt 47 connected upward to the bolt holding joint 46 and screwed with a wing nut 49, and fixed to an upper part near the root of the fixing lever portion 34 to fit the headless bolt 47 up and down. It has a nut pedestal 48 (see FIG. 1) in which a notch that penetrates is formed. Therefore, when the wing nut 49 is in contact with the nut support 48,
The opening angle of the swing lever portion 35 with respect to the fixed lever portion 34 is prevented from expanding, and the state is maintained.

[0014]

[Operation of Embodiment] Next a description will be given of the operation of the embodiment ReiSo location. First, as shown in FIG. 1, the rail member 2 is placed and held on the upper surface of the object W to be polished so as to be parallel to the end surface Wa to be polished, and the traveling table 5 is set on the rail member 2 and along the guide bar 9. The moving frame 10 is pulled out to the right of the end surface Wa to be polished. Then, the wing nut 49 of the opening angle maintaining mechanism 45
(See FIG. 2) is loosened, and the movable frame 10 is pushed toward the workpiece W together with the polishing machine 30. As shown in Figure 2,
As a result, the polishing belt 38, which is hung between the upper and lower sides of the driven pulley 36 and the driven pulley 37, is pressed against the end surface Wa to be polished, and the swing lever portion 35 moves toward the fixed lever portion 34. The wheels 41, 42 swinging so as to be narrowed and provided further on the tip side of the wheels 41, 42
It comes into contact with both the front and back sides. In this state, if the wing nut 49 of the opening angle maintaining mechanism 45 is tightened, the drive unit 31 is actuated and the grip 8 (see FIG. 4) is gripped so that the traveling table 5 is moved along the end surface Wa to be polished. Drive back and forth. When the object W to be polished is a stone material, water may be sprayed from the wheel 41 side of the fixed lever portion 34 toward the polishing belt 38 by the water supply tube 50, and the object W to be polished may be a metal material. It is advisable that the cutting oil is blown to the polishing belt 38 and the air is blown to the polishing belt 38 when the workpiece W is wood or a resin material. Then, in order to prevent the polishing powder from hitting the entire surface with the water, cutting oil, air, etc., the upper part of the polishing belt 38 extending from the driven pulley 36 to the driving pulley 32, and the driving pulley 32 to the right side thereof. A predetermined area downward is provided with a flexible transparent cover band 52.
It is preferable to have a structure covered with.

By the way, as shown in FIG. 5, for an object W to be polished whose end surface Wa to be polished has a single chamfered radius,
In the swing lever portion 35, a swingable short and small swing portion 51 holding the driven pulley 37 is separately provided from the lever main body portion holding the wheel 42, and the short and small swing portion 51 is provided. Can be dealt with by having a structure that can fix the state in which the lever body portion is directed downward from around the central portion. Thus, like the detailed structure of the engagement Ru end surface finishing apparatus 1 in the present invention can be appropriately changed according to the mode of implementation.

[0016]

The present invention has the following effects due to the above-described structure. Even if you are not a skilled person, the work of polishing the rounded surface of the end surface of a work piece such as a stone plate should be uniform and clean without disturbing the rounded surface along the longitudinal direction. I was able to do it.

[Brief description of drawings]

FIG. 1 is a plan view showing an end surface finishing device according to the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is an enlarged sectional view taken along line III-III of FIG.

FIG. 4 is a view taken along the line IV-IV of FIG.

FIG. 5 is a front sectional view showing another embodiment of the polishing machine according to the present invention.

[Explanation of symbols]

1 End Face Finishing Device 2 Rail Member 5 Traveling Base 9 Guide Bar 10 Moving Frame 15 Polishing Machine Energizing Mechanism 30 Polishing Machine 31 Drive Unit 32 Driving Pulley 33 Polishing Machine Main Body 34 Fixing Lever 35 Swing Lever 36 36 Followed Pulley (Fixing Lever) Part side) 37 driven pulley (swing lever part side) 38 polishing belt 41 wheels (fixed lever part side) 42 wheels (swing lever part side) 45 opening angle maintaining mechanism

Claims (1)

[Claims] 1. An upper surface of an object to be polished W and an end surface Wa to be polished.
The rail member 2 placed and held in parallel and the rail member 2
And a traveling platform 5 that can travel freely along the roll member 2.
From 5 to the side where the polished end surface Wa of the workpiece W is located
A movable frame that can be moved along the protruding guide bars 9, 9.
10, a polishing machine 30 provided on the moving frame 10,
Polishing to attract and urge the moving frame 10 toward the traveling table 5
The polishing machine 30 has a machine urging mechanism 15.
Connected to the drive unit 31 such as the data
Driving with the axis of rotation parallel to the longitudinal direction of the rail member 2
Polisher main body 33 having a pulley 32, and this polisher main body
Direction perpendicular to the rotation axis of the drive pulley 32 from the body 33
Fixed lever portion 34 protruding to the bottom and the root portion of the polishing machine main body
33 is swingably connected to the fixed lever portion 34 and
The swing lever portion 35 protruding in the same direction and the driving pulley
-By making the rotation axis of 32 and the rotation axis parallel,
The tips of the fixed lever portion 34 and the swing lever portion 35 are located near the respective tips.
Driven pulleys 36, 37 provided for
Hook between the pulley 32 and the driven pulleys 36 and 37.
Circularly movable circular polishing belt 38 passed over and fixed
Provided on the lever portion 34 and the swing lever portion 35,
Polished on the tip side further than the driven pulleys 36 and 37, respectively.
The direction of rotation in which the flat surface of the object W is in contact
Wheels 41, 42 along the end surface Wa to be polished of the
It is provided at the hip joint between the bar portion 34 and the swing lever portion 35.
And an opening angle maintaining mechanism 45 .