JPH0451965Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Field of Application> The present invention relates to a device for correcting the deviation of an endless sanding belt that circulates in a belt sander machine that grinds and polishes the surface of wood.

<Prior art> As shown in FIG. 5, which shows the vicinity of the steering roll that also serves as a tensioner from the side, the sanding belt deviation running correction device of a conventional belt sander machine includes a roll support frame b on which a steering roll that also serves as a tensioner is mounted on an axis. A sanding frame d is provided with a plane rotation axis c, and the plane rotation axis can be freely rotated and vertically moved.
Further, a rotating connecting plate e is provided to protrude from the roll support frame b toward the sanding frame d side, and an adjustment screw g having a steering handle f on the sanding frame d side is engaged with a spring h. It has a configuration in which a pin i is provided to intersect with the axial direction of the steering roll a, and the turning connecting plate e is supported under pressure from the same direction as the turning direction of the steering roll a by an adjusting screw g and a pressing pin i. By turning the steering handle f provided near the end of the sanding belt j that is running and moving the adjustment screw g, the turning connecting plate e also moves, and the steering roll a is turned to rotate one piece of the sanding belt j. This was to correct the side trip.

<Problems to be solved by the invention> Since the conventional device is provided with the adjustment screw g so as to intersect with the axial direction of the steering roll, the steering handle f is attached to the end of the running sanding belt j. It is located close to the sanding belt j, and operating the steering handle f is extremely dangerous.If you accidentally touch the sanding belt j, it may cause serious injury, so you must be afraid to operate it.
In addition, in difficult-to-operate locations, there are drawbacks such as increased danger and significantly reduced work efficiency.

The present invention aims to eliminate the above-mentioned conventional drawbacks.

<Means for solving the problem> The present invention arranges a rocking device support equipped with a rocking device that can swing freely in a plane around an axis on the attachment/detachment side of an endless sanding belt that circulates. An adjustment screw having a steering operation part extending in the same direction as the axis of the steering roll is fitted and screwed into the rocking tool support, and the tip of the adjustment screw is pressed against the abutment receiving part of the rocking tool. A bullet is pressed against the other side of the moving tool to make the swinging tool into a pressed shape, and a swing connecting rod protruding from the steering roll support frame is fitted into a vertical groove provided on the other side of the moving tool. A device that performs steering operations by linking a rocking device and a steering roll.

<Function> By turning the steering operation part such as the steering handle from the sanding belt attachment/detachment side, the adjustment screw is advanced or returned. By pushing or pulling the adjusting screw abutment part prepared for The axis of the steering roll is tilted, that is, it is brought into a plane turning and swinging state to correct the left-right deviation of the sanding belt at a safe position.

<Example> An embodiment of the present invention will be described.

FIG. 4 shows a schematic side view of a belt sander equipped with the present invention, in which 1 is a main body frame, 2 is a material feeding guide table that is raised and lowered by raising and lowering a lifting screw 4 by rotating the lifting handle 3; A driven roll 5 is disposed at the front, drive rolls 6 are mounted on the shaft at the rear, and an endless material conveying belt 7 is wrapped around these. 8 is a sanding frame provided on the upper part of the frame 1 in correspondence with the material feeding guide table 2, a driving roll 9 is mounted on the lower front part of the sanding frame, a driven roll 10 is mounted on the rear part of the sanding frame, A steering roll 11 which also serves as a tensioner is provided at the upper part, and the steering roll 11 is mounted on the sanding frame 8 so as to be able to rotate in a plane and move up and down.
It is mounted on a roll support frame 13 having a shaft. And the drive roll 9 and the driven roll 10
An endless sanding belt 14 is wrapped around a traveling guide mechanism consisting of a steering roll 11 and a steering roll 11, and a pressing pad 15 for pressing the inner peripheral surface of the sanding belt 14 is detachably arranged between the driving roll 9 and the driven roll 10. are doing.

A base 16 is provided on the left side of the sanding frame 8, and a rocking tool support 18 having a flange 17 on the top is attached to the base 16.
An L-shaped swinging tool 20 is provided on the shaft 19 via a vertical shaft 19 so as to be able to swing freely in a plane around the shaft 19. Reference numeral 23 denotes an adjustment screw that extends in the same direction as the axial direction of the steering roll 11 and is provided with a steering handle 22 for performing steering operation at a position away from the sanding belt 14. They are fitted and screwed together, and the adjustment screw 23
The tip of the swinging tool 20 is pressed against the contact receiving part of the swinging tool 20. The contact receiving part 21 provided on the swinging tool 20 is provided so as to be located closer to the steering roll 11 than the shaft 19, and the swinging tool support 1 is provided on the other side of the swinging tool 20.
The projecting end of the projectile 25, such as a spring, provided in the projecting hole 24 is in pressure contact with the projectile position provided at 8, and presses the other side of the swinging tool 20. Therefore, the abutting receiving part 21 is adjusted. It comes into pressure contact with the tip of the screw 23. 26 is a nut for fixing the shaft 19 to the rocker support 18; 27 is a flanged bearing fitted onto the shaft 19;
5 is a screw for adjusting the pressing force, and 29 is the screw 28.
It is a rock nut. Furthermore, there are vertical grooves 3 on the other side.
0 is provided, and a swing connecting rod 31 protruding downward from the roll support frame 13 is fitted into the vertical groove 30, and the planar swinging movement of the rocking device 20 is transmitted to the steering roll through the turning connecting rod 31. 11 to create a plane turning state in which the steering roll is tilted.

The function and operation of the above embodiment will be explained.

Turn the steering handle 22 located away from the attachment/detachment side of the sanding belt 14, and turn the adjustment screw 23.
By advancing or returning the screw in the same direction as the axial direction of the steering roll 11, that is, moving from side to side,
The pressing action of the bullet 25 puts the abutment receiving part 21 of the swinging tool 20 in a push/pull state, and as a result, the swinging tool 20 swings in a plane around the shaft 19, and the linked swing connecting rod 31 and the roll support frame 13, the axis of the steering roll 11 is tilted, and the roll 1
1 in a plane rotating state and the sanding belt 14
Adjust the left/right offset of.

For example, if the sanding belt 14 is on the left side and is running in circulation, the steering handle 22
By turning to the right and advancing the adjusting screw 23 and pushing the abutment receiving part 21 as shown by the three-dot chain line in FIG. 11' to move the sanding belt 14 from the left side to the center. A is the amount of plane turning of the steering roll 11. Also, if the sanding belt 14 is circulating to the right, turn the steering handle 22 to the left to perform the opposite operation to move the belt 14 to the center. This is to move it to.

<Effects of the invention> As clarified in the above explanation, the present invention has a swinging tool support equipped with a swinging tool that can swing freely in a plane around an axis on the sanding belt attachment/detachment side. An adjustment screw extending in the same direction as the steering roll axis is fitted and screwed into the rocking tool support, and the tip of the adjustment screw is pressed against the abutting part of the rocking tool, and a bullet is attached to the other side of the rocking tool. Pressure contact is made, and the rocking tool is pressed into a pressed state.
Furthermore, a turning connecting rod protruding from the steering roll support frame is fitted into the vertical groove provided on the other side, and the steering roll is operated by interlocking the rocking device that rotates and swings in a plane to perform a steering operation. Since the operating parts such as the steering handle are located far from the sanding belt attachment/detachment side, the sanding belt lopsided running correction operation can be performed extremely safely and easily. Since this can be done on the side of attaching and detaching the ding belt, it has excellent effects such as improving work efficiency at any time.

[Brief explanation of the drawing]

The accompanying drawings, FIGS. 1 to 4, show an embodiment of the present invention, in which FIG. 1 is an enlarged plan view showing the operating state of the lopsided running correction device, FIG. 2 is a similar side view, and FIG.
FIG. 3 is a front view of the same, FIG. 4 is a schematic side view of a belt sander equipped with the present invention, and FIG. 5 is an enlarged side view of a conventional device. 1...Frame, 7...Material delivery belt, 11...
Steering roll, 13...Roll support frame, 1
4... Sanding belt, 18... Rocking tool support, 19... Shaft, 20... Rocking tool, 21... Contact receiver, 22... Steering handle, 23... Adjusting screw, 25... Bullet container, 30...groove, 31...swivel connecting rod.

Claims (1)

[Scope of utility model registration request] In a belt sander machine, an endless sanding belt is looped around a belt traveling guide mechanism consisting of a plurality of rolls including a steering roll, facing a work material transport mechanism such as an endless sanding belt. A rocking device support equipped with a rocking device that can freely rotate in a plane around an axis is arranged on the attachment/detachment side of the steering belt, and the steering operation is performed by extending the rocking device support in the same direction as the axis of the steering roll. An adjustment screw having a section is fitted and screwed together, and the tip of the adjustment screw is pressed against the abutment receiving part of the swinging tool, and a bullet is pressed against the other side of the swinging tool, so that the swinging tool is in a pressed state. Furthermore, a turning connecting rod protruding from the steering roll support frame is fitted into the vertical groove provided on the other side, and the steering operation is performed by interlocking the rocking device that turns and swings in a plane with the steering roll. Sanding belt deviation correction device for belt sander machines.