JPH0819950A - Belt polishing device for woodworking - Google Patents

Abstract

PURPOSE:To dispense with manual work in dust so as to mechanically carry out labor-saving polishing work healthily in machining by a belt polishing device for wood machining. CONSTITUTION:In a belt polishing device for woodworking, a polishing belt 2 is suspended in the lateral direction of a polishing base which is movable forward/backward, guiding tracks 4a, 4b are arranged along the upper side of the polishing belt 2, a mobile body 5 is guided along the tracks 4a, 4b, a pneumatic cylinder device 6 is fixed vertically in the mobile body 5, a piston rod 6a of the pneumatic cylinder device 6 can be extended downward, and a holding member 8 to which a pressing sliding contact tool (k) is fixed is mounted freely reciprocatably at the piston rod 6a tip via a shaft 9 arranged along the polishing belt 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a woodworking belt polishing machine used for polishing plate materials and the like.

[0002]

2. Description of the Related Art As shown in FIG. 8, there is a woodworking belt polishing machine in which a polishing belt 2 is stretched toward an upper left and right direction f2 of a polishing table 1 which is movable in a frontward and rearward direction f1. . The polishing belt 2 has an endless shape, and is supported by a plurality of guide rollers 3 and at least one drive roller 3a so as to be capable of rotating.

When using this polishing machine, after the plate material w or the like is placed on the polishing table 1, the polishing table 1 is moved in the front-back direction by one hand to adjust the horizontal position of the plate material w or the like. ,
Further, the other hand has a press-sliding contact k, which is pressed against the upper surface of the polishing belt 2 which is moved around, and the lower surface of the belt 2 is brought into contact with the surface of the plate material w or the like with an appropriate force.

[0004]

In the above-mentioned conventional polishing machine, since it is necessary to work in a large amount of dust generated during the polishing process, it is dirty and unfavorable to health.
It also requires a lot of work. SUMMARY OF THE INVENTION In order to solve such a situation, an object of the present invention is to provide a belt polishing machine for woodworking which enables mechanical and labor-saving polishing processing.

[0005]

In order to achieve the above object, in the first aspect of the present invention, a guide track is provided along the upper side of the polishing belt, and the track is guided by the track and the track is guided by the track. Fix the pneumatic cylinder device vertically,
The tip of the piston rod can be extended downward, and a holding member to which a press-sliding member is fixed is attached to the tip of the rod so as to be swingable via a horizontal shaft parallel to the polishing belt.

According to the present invention, when the piston rod of the pneumatic cylinder device is extended downward, the lower surface of the pressing slide contact member fixed to the holding member presses the polishing belt against the surface of the plate member or the like via the air pressure. Will be things. At this time, the press-sliding contactor is swung about a horizontal axis parallel to the polishing belt so that its lower surface is along the slope of the plate material or the like in the front-back direction (direction orthogonal to the polishing belt).

According to a second aspect of the present invention, a guide frame is fixed to the rod tip of a pneumatic cylinder device similar to that described above, and a guided body is mounted on the guide frame so as to be slidably movable in the front-rear direction. In addition to providing a pneumatic cylinder device that presses from each side, a holding member to which a pressing slide contactor is fixed is fixed to the lower part of the guided body.

According to this structure, the press-sliding contact is slidably displaced in the front-rear direction against the air pressure by the reaction force generated by the contact with the front-rear curved surface such as the plate material, and the front-rear direction which is most adapted to the curved surface. It will be held in position.

In a third aspect of the present invention, a holding member to which a press-sliding member is fixed is swingably attached to the lower part of the guided body similar to the above, via a horizontal shaft parallel to the polishing belt. .

According to this, the press-sliding contact is slidably displaced in the front-rear direction against the air pressure by the reaction force generated by the contact with the curved surface in the front-rear direction such as the plate material, and the position in the front-rear direction which is most adapted to the curved surface. While being held at the same time, it is swung about a horizontal axis parallel to the polishing belt so that its lower surface is in a state along the front-back direction curved surface of the plate material or the like.

Further, by combining the above-mentioned first to third aspects of the present invention, the polishing process becomes more effective.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a view showing an embodiment of a polishing machine according to the first invention, and FIG. 2 is a view showing a main part of the polishing machine.

In the figure, the polishing table 1 is supported via a body frame (not shown) and can be driven in the vertical direction and the horizontal front-back direction f1. The polishing table 1 is provided with an appropriate fixing means for fixing the plate material w and the like.

The polishing belt 2 is wound around a guide roller 3 rotatably provided on a main body frame (not shown) and a single drive roller 3a, and is capable of being orbitally moved by power of a motor or the like. Reference numeral 2a is another polishing belt used in the same manner as this polishing belt 2, but since the operation is the same, the explanation related to this is omitted in this embodiment.

Reference numerals 4a and 4b are a pair of guide tracks fixed to a body frame (not shown), and are provided parallel to the upper part of the polishing belt 2. A moving body 5 is guided along these guide tracks 4a and 4b so as to be horizontally drivable.

Reference numeral 6 is a pneumatic cylinder device vertically fixed to the lower end member of the movable body 5 so that the tip of the piston rod 6a is fixed so as to extend downward, and a plate piece is attached to the tip of the piston rod 6a. 7 is fixed. Reference numerals 6b and 6b are a pair of guide rods for smoothly moving the piston rod 6a in and out.

Reference numeral 8 denotes a holding member to which the press-sliding member k is detached and attached, and the plate piece 7 is provided via a horizontal shaft 9 parallel to the polishing belt 2.
Is swingably connected to.

The pressing sliding contact k is for pressing the upper surface of the polishing belt 2 and has a form according to the processing content. For example, when polishing a flat surface, a sponge is formed on the lower flat surface of the wooden base member k1. It is made by sticking a felt k2 or the like.

Explaining an example of use of the product of the present invention configured as described above, an operator places a plate material w to be polished on the polishing table 1 and fixes it at a specific position, and a computer control device not shown beforehand Enter the processing procedure.

When the polishing table 1 is set to the optimum height and then each part is brought into an operating state, the moving body 5 travels on the guide tracks 4a and 4b to move to the processing start position, and the polishing table 1 is also appropriately moved in the front-back direction f1. Move and stop at the processing start position.

Subsequently, air of appropriate pressure is supplied to the pneumatic cylinder device 6, and the air pressure pushes the piston rod 6a downwards against a spring (not shown) to push it downward as shown in FIG. An attempt is made to press the sliding contact device k through the plate piece 7, the shaft 9 and the holding member 8 against the upper surface of the polishing belt 2 that is moving around. And the piston rod 6
When a is in a state of completely pressing the press-sliding contact k, the lower surface of the press-sliding contact k, the polishing belt 2 and the surface of the plate material w are in stable contact with each other.

After that, the moving body 5 is appropriately moved in the left-right direction f2 based on the information inputted in advance, and the polishing table 1 is also appropriately moved in the front-rear direction f1. The polishing belt 2 is pressed to a specific position on the surface of the plate material w, and the belt 2 is subjected to polishing processing on a specific path in order. The processing path and the number of times of processing can be arbitrarily set or changed by making the input information appropriate.

In this polishing process, the height and inclination of the surface portion of the plate material w pressed by the pressing slide contactor k may change from moment to moment depending on the plate material to be treated. However, since the pressing slide contactor k is pressed by the air pressure of an appropriate amount through the piston rod 6a, the pressing slide contactor k is appropriately vertically displaced according to the change of the height of the surface portion of the plate material w, and the surface of the plate material w is always applied with an appropriate force. Since it presses and is swingable around the shaft 9 along the polishing belt 2, it smoothly inclines in accordance with the change in the front-back direction inclination of the surface portion of the plate material w, and the lower plane thereof is the plate material w. The surface is brought into contact with the surface in an optimum state, and a high quality polishing process is performed.

When the pressing sliding contact k reaches the polishing end position,
The air supplied to the pneumatic cylinder device 6 is removed, the piston rod 6a rises by a spring force (not shown), etc., and the pressing sliding contact k is retracted above the polishing belt 2.

After that, the same operation is repeated for each plate material w to be processed.

FIG. 4 shows an embodiment of the essential parts of the polishing machine according to the second invention. In the figure, 10 is a guide frame fixed to a plate piece 7 which is similar to that of the previous embodiment, and the guide rail 1 is provided on the outer surface of each side member of this guide frame 10.
1 ... are fixed in the front-rear direction f1.

Reference numeral 12 is a guided body which is slidably displaced in the horizontal front-rear direction f1 via the guide rods 11.

Reference numerals 13 and 13 denote a pair of pneumatic cylinder devices fixed to the end portions of the front and rear members of the guide frame 10 so as to face each other.
When the pair of piston rods 13a, 13a are pressed by an appropriate air pressure to press the guided body 12 in an opposed manner,
The guided body 12 stops at an intermediate position between the guide rods 11 ... In balance with a spring force (not shown).

The holding member 8 is fixed to the lower part of the guided body 12, and the press-sliding contact tool k according to the content of the polishing process is detachably fixed thereto.

The operation of the product of the present invention is also carried out in accordance with the previous embodiment, that is, the polishing belt 2 on which the press-sliding contact k is orbitally moved based on the previously input information is used as the plate material w.
It is pressed against the surface and the required polishing process is performed.

Referring now to FIG. 5 etc., the groove m on the surface of the plate material w
Explaining the case of polishing the inside, the plate material w is fixed so that the groove m thereof faces the left-right direction f2 of the polishing table 1,
Further, the press-sliding contact device k has a ridge k3 on the lower plane. In many cases, the height and the front-rear direction position of the groove m immediately below the pressure-sliding contact tool k change every moment on the processing path. Since k is pressed by an appropriate amount of air pressure through the piston rod 6a, it is appropriately displaced vertically according to the change in the height of the groove m, and always presses the surface of the plate material w with an appropriate force.
Further, since the guided body 12 is displaced in the front-rear direction f1 against the air pressure of the pneumatic cylinder devices 13, 13 having an appropriate magnitude, the guide body 12 moves back and forth following the change in the front-rear position of the groove m on the surface of the plate material w. The ridges k3 hold the polishing belt 2 against the inner surface of the groove m with an appropriate force, and a high-quality polishing process is performed. During this process, the ridges 3 are completely pushed into the grooves m of the plate material w.

FIG. 6 shows an embodiment of the essential parts of the polishing machine according to the third aspect of the present invention. As shown in the figure, a holding member 8 is swingably attached via a horizontal shaft 9 parallel to the polishing belt 2 to a lower portion of a guided body 12 that is similar to the above.

A pressure sliding contact tool k is detachably fixed to the holding member 8 according to the content of the polishing process.

The operation of the present invention is also carried out according to the previous embodiment, that is, the polishing belt 2 in which the pressing sliding contact k is orbitally moved is pressed against the surface of the plate material w based on the information inputted in advance. Then, the required polishing process is carried out.

Now, referring to FIG. 7 and the like, the case of polishing the top of the convex curved surface on the surface of the plate material w will be described. The height of the top of the convex curved surface at the position pressed by the pressing slide contactor k and the front-back direction. The position or inclination may change every moment on the processing path, but even in such a case, the pressing sliding contact k is pressed by the air pressure of an appropriate amount via the piston rod 6a. Therefore, it is appropriately vertically displaced according to the change in the height of the top of the projecting curved surface, and constantly presses the surface of the plate material w with an appropriate force, and the guided body 12 is moved in the front-rear direction f1 by the pneumatic cylinder devices 13, 13. Since it displaces against the appropriate amount of air pressure, it moves back and forth following the change in the front-back direction position of the top of the protruding curved surface and always presses the top accurately from right above. Shake around the horizontal axis 9 parallel to 2. Since it is free, it is inclined following changes in the inclination of the surface of the plate material w, and its arcuate lower surface is in optimum contact with the top of the projecting curved surface, and a high quality polishing process is carried out. . During this process, the lower surface of the pressing sliding contact member k is brought into close contact with the top of the ridge curved surface.

In all of the above-mentioned embodiments, substantially the same parts are designated by the same reference numerals.

[0032]

According to the present invention configured as described above, various pressing and sliding contact tools can be made to function as if they were manually operated, and a mechanical polishing process can be performed. It is intended to save labor.

In particular, when all of the first to third aspects of the present invention are carried out, it is possible to use all of the generally required pressure sliding contact members, and it is possible to respond to any polishing process.

[Brief description of drawings]

FIG. 1 is a diagram showing an embodiment of a polishing machine according to the first invention.

FIG. 2 is a view showing a main part of the polishing machine.

FIG. 3 is an explanatory view of the operation of the polishing machine.

FIG. 4 is a diagram showing an embodiment of a main part of a polishing machine according to the second invention.

FIG. 5 is an explanatory view of the operation of the polishing machine.

FIG. 6 shows an example of essential parts of a polishing machine according to a third aspect of the present invention.

FIG. 7 is an explanatory view of the operation of the polishing machine.

FIG. 8 is a diagram of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Polishing table 2 Polishing belts 4a and 4b Guide track 5 Moving body 6 Pneumatic cylinder device 6a Piston rod 8 Holding member 9 Shaft along the polishing belt 10 Guide frame 12 Guided body 13 Pneumatic cylinder device k Push sliding contact tool

Claims (4)

[Claims] 1. In a woodworking belt polishing machine in which a polishing belt is stretched in the left-right direction of a polishing table that is movable back and forth, a guide track is provided along the upper side of the polishing belt,
The moving body is guided to this track, and the pneumatic cylinder device is fixed to the moving body in a vertical direction, and the tip of the piston rod can be extended downward to be operable, and the pressing slide contactor is fixed to the tip of the rod. A belt polishing machine for woodworking, in which a holding member is swingably mounted via a horizontal shaft parallel to the polishing belt. 2. A belt polishing machine for woodwork, in which a polishing belt is stretched in the left-right direction of a polishing table that can be moved back and forth, and a guide track is provided along the upper side of the polishing belt.
The moving body is guided along this track, and the pneumatic cylinder device is fixed to this moving body in the vertical direction, and the tip of its piston rod can be extended downward and the guide frame is fixed to the end of this rod. A pneumatic cylinder device is provided for mounting the guided body so that it can be slidably displaced in the front-rear direction and pressing the guided body from the front and back sides. A belt polishing machine for woodworking, characterized by fixing members. 3. A woodworking belt polishing machine in which a polishing belt is stretched in the left-right direction of a polishing table that is movable back and forth, and a guide track is provided along the upper side of the polishing belt.
The moving body is guided along this track, and the pneumatic cylinder device is fixed to this moving body in the vertical direction, and the tip of its piston rod can be extended downward and the guide frame is fixed to the end of this rod. A pneumatic cylinder device is provided for mounting the guided body so that it can be slidably displaced in the front-rear direction and pressing the guided body from the front and back sides. A belt polishing machine for woodworking, in which a member is swingably mounted via a horizontal shaft parallel to a polishing belt. 4. In a woodworking belt polishing machine in which a polishing belt is stretched in the left-right direction of a polishing table that is movable back and forth, a guide track is provided along the upper side of the polishing belt,
A plurality of pneumatic cylinder devices are vertically fixed to this moving body while guiding the moving body to this track, and the tip of each piston rod can be independently extended downward to enable operation. A holding member to which the pressure-sliding body is fixed is swingably attached via a shaft along the polishing belt, and a guide frame is fixed to the tip of the other rod to allow sliding displacement in the front-back direction. Is provided with a guided body, a pneumatic cylinder device for pressing the guided body from the front and rear sides is provided, and a holding member for fixing the pressing sliding contact body is fixed to the lower part of the guided body, and A guide frame is fixed to the tip of another rod, a guided body is mounted on the guide frame so as to be slidable in the front-rear direction, and a pneumatic cylinder device is provided for pressing the guided body from the front and rear sides. The lower part of this guided body Woodworking belt sander, characterized in that pivotably mounted pressing sliding member fixed by a holding member via a horizontal shaft which is parallel to the abrasive belt.