JP2502913Y2 - Leveling device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a leveling device for dies and jigs of machine tools and manufacturing machines.

[0002]

2. Description of the Related Art For example, in a sealing device in which a plurality of resin films are sandwiched and heat-sealed, in order to uniformly seal a thin resin film, the gaps between the upper and lower molds that are pressed against the resin film must be uniform. In the conventional sealing device, after attaching the upper and lower molds, insert a shim to make the parallel, or adjust the mold with the adjusting screw,
The adjustment was performed sensuously by a skilled worker.

[0003]

However, in the above-mentioned conventional apparatus, only a skilled and specific operator can perform the adjustment work, and it requires a long time for the adjustment, and the operation is temporarily interrupted during the adjustment. Had to do.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and provide a leveling device capable of leveling an object easily and quickly and capable of leveling even during work. .

[0005]

In order to solve the above-mentioned problems, the leveling device of the present invention has a fixed plate fixed to the device and a movable plate to which a target member is attached in a direction in which they approach each other. Arranged via a biasing means for biasing, at the four corner positions on the intersecting line which is parallel to the fixed plate and orthogonal to each other between the fixed plate and the movable plate, and in the direction of the intersecting line to one of the fixed plate and the movable plate. An inclined block having an inclined inclined surface is provided movably in the intersecting line direction, and a receiving block slidably contacting the inclined surface of the inclined block is fixed to the other, and the inclined direction of the inclined surface of the inclined block on the same intersecting line is fixed. , The tilt blocks on the same line of intersection are connected to each other by the adjusting screw shafts that can be moved synchronously in the same direction, and the adjusting screw shafts on the two lines of intersection are provided with rotary drive devices capable of rotating respectively. It is provided with a level control device for driving the rotary drive device based on a detection signal of the level detector for detecting the level of the four corners.

[0006]

According to the above construction, the level control device output corresponding to the detection signal of the level detector rotationally drives the rotation drive device to rotate the adjusting screw shaft in a predetermined direction by a predetermined amount, By moving the tilt blocks on the same intersection line in the same direction by the action of the screws, the tilt angle of the movable plate in the vertical plane including the intersection lines can be adjusted by the action of the tilt surface of the tilt blocks. By moving the tilted block on the intersection line with the adjusting screw shaft, the level of the movable plate, that is, the object can be adjusted easily and quickly. Moreover, the level can be easily adjusted even during work.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a leveling device for a mold provided in a heat sealing device according to the present invention will be described below with reference to the drawings.

FIGS. 3 and 4 show a heat seal device. In FIGS. 3 and 4, reference numerals 1 and 2 are arranged so that they can be moved up and down via guide rails 5 and 6 on a column portion 4 standing on the bed 3. The upper and lower frames are driven toward and away from each other by the pressure welding screw shafts 8 and 9 which are normally and reversely rotated by the lifting drive device 7 provided on the column 4. An upper heat die 12 is disposed on the upper frame 1 via a horizontal leveling device 11, and a lower heat die 13 is disposed on the lower frame 2 so as to face the upper heat die 12. .

The upper and lower heat molds 12, 13
As shown in FIGS. 5 and 6, the outer peripheral portions of the two resin sheets A, which are cut into a standard shape and to which the plug member B is attached, are heat-welded to form a bag-shaped container.
a and 13a are incorporated. Distance sensors 14 are arranged on the lower heat die 13 at four corners in the vicinity of the substantially diagonal lines X and Y, and a detection rod 15 facing the distance sensor 14 on the upper heat die 12 has a lower end surface as a detection surface.
Is arranged.

As shown in FIGS. 1 and 2, the horizontal leveling device 11 includes a fixed plate 21 fixed to the upper frame 1 side and a movable plate 22 fixed to the bottom surface of the upper heat die 12. It is attached by being biased by a biasing device 23 in a direction approaching the fixed plate 21. This biasing device 23
The slide shafts 24 erected at the four corners of the movable plate 22 are guided through the slide bearings 25 attached to the through holes at the four corners of the movable plate 21 on the diagonal lines X and Y, which are orthogonal to each other. The movable plate 22 is uniformly urged toward the fixed plate 21 side by interposing the compression springs 27 between the regulation plate 26 attached to the protruding end of the fixed plate 21 and the fixed plate 21.

This leveling device has the above-mentioned diagonal lines X and Y.
The distance between the fixed plate 21 and the movable plate 22 is adjusted by moving the tilt blocks 28A and 28B at the upper four corner positions. That is, on the bottom surface of the fixed plate 21, slant blocks 28 that are slidable in the directions of the diagonal lines X and Y via slide bearings 29A and 29B at the four corner positions on the diagonal lines X and Y.
A and 28B are arranged respectively, and this inclined block 28
The bottom surfaces of A and 28B are respectively formed on left and right symmetrical inclined surfaces 28a on the same diagonal line X or Y, which are lower from the outside toward the center. On the other hand, tilt receiving blocks 30A, 30B for slidably guiding the tilt surfaces 28a of the tilt blocks 28A, 28B are fixed to the upper surface of the movable plate 22, and the upper surfaces of the tilt receiving blocks 30A, 30B are inclined surfaces 28a. An inclined receiving surface 30a that is in sliding contact is formed.

The tilt blocks 28A and 28B are provided with ball nuts 32 in the holes 31 on the diagonals X and Y, respectively.
, And screw threads 34a formed in the same direction at both ends of adjustment screw shafts 34A, 34B rotatably supported via bearings 33 on diagonal lines X, Y are screwed into the ball nut 32. ing. And each adjusting screw shaft 3
Passive pulleys 35A and 35B are provided in the middle of 4A and 34B.
Are respectively attached to these passive pulleys 35A,
35B is a drive pulley 37A of the output shaft of the level adjusting motors 36A, 36B arranged on the bottom surface of the fixed plate 21,
37B are interlockingly connected to each other via timing belts 38A and 38B. Therefore, for example, the level adjusting motor 36A is driven to drive the left and right tilt blocks 28.
When A is slid in the same direction, the movable plate 22 is tilted about the diagonal line Y, that is, the upper heat die 12 within the vertical plane including the diagonal line X by the action of the inclined surface 28a and the inclined receiving surface 30a. , The level on the diagonal line X can be adjusted without changing the level on the diagonal line Y.

The level adjusting motors 36A and 36B
The adjustment screw shafts 34A and 34B are based on the detection signals input from the four distance sensors 14 from the level control device 39 that controls the distance d between the four distance sensors 14 and the detection rod 15 within a predetermined range. Is driven by inputting a level control drive signal for rotating the motor in a predetermined direction by a predetermined amount.

In the above structure, after the upper and lower heat dies 12, 13 are attached to the movable plate 22 and the lower frame 2, the distance from the detection rod 15 is read by the distance sensor 14 to measure the gap. Then, first, the tilt block 28A on the diagonal line X is moved by rotating the adjusting screw shaft 34A by the level adjusting motor 36A, and the distance sensor 14 and the detecting rod 1 on the diagonal line X are moved.
Adjust so that the gap of 5 is the same. Next, the tilt block 28B on the diagonal line Y is moved by rotating the adjusting screw shaft 34B by the level adjusting motor 36B, and the gap between the distance sensor 14 and the detecting rod 15 on the diagonal line Y is adjusted to be the same. To do. Distance sensor 1
4 and the detection rod 15 at the four corners have the same gap,
Leveling is completed. The adjustment work can be easily and quickly performed even during the work.

In the above-mentioned embodiment, an embodiment adopted as a heat die of a heat-sealing device for producing a bag-shaped container is shown. However, as another application example, a press die or a crimping plate is leveled. It is also possible to use it for a machine tool that requires fine adjustment such as a tilt jig that requires a constant tilt angle instead of a horizontal level.

[0016]

As described above, according to the present invention, between the movable plate and the fixed plate which are biased in the approaching direction, the slant block can be moved in the intersecting line direction at the four corner positions on the intersecting line that intersects at right angles. The level control device is arranged so that the tilt in the vertical plane including the intersecting line can be adjusted by the adjusting screw shaft by utilizing the action of the tilt surface of the tilt block, and the level control device is based on the detection signal of the level detector. Since the rotary drive device is driven to rotate the adjusting screw shaft, the level of the movable plate, that is, the object can be easily and promptly adjusted. Moreover, the level can be easily adjusted even during work.

[Brief description of drawings]

FIG. 1 is a bottom sectional view showing an embodiment of a leveling device according to the present invention.

FIG. 2 is a side sectional view taken along a diagonal line of the leveling device.

FIG. 3 is a partially cutaway side view of a heat seal device including the leveling device.

FIG. 4 is a front view of the heat seal device.

FIG. 5 is a perspective view showing upper and lower heat dies of the heat seal device.

FIG. 6 is a rear view of the upper and lower heat dies of the heat seal device.

[Explanation of symbols]

 12 Upper heat mold 13 Lower heat mold 14 Distance sensor 15 Detection rod 21 Fixed plate 22 Movable plate 23 Energizer 24 Slide shaft 27 Compression spring 28A, 28B Inclined block 28a Inclined surface 30A, 30B Inclined receiving block 30a Inclined receiving surface 32 Ball nut 34A, 34B Adjustment screw shaft 36A, 36B Level adjustment motor 39 Level control device

Claims (1)

(57) [Scope of utility model registration request] 1. A fixed plate fixed to the apparatus side and a movable plate to which a target member is attached are arranged via a biasing means for biasing them toward each other. Between the fixed plate and the movable plate, at four corner positions on the intersecting line which is parallel to the fixed plate and is orthogonal to each other, inclined blocks having inclined faces inclined in the intersecting line direction are provided movably in the intersecting line direction. , A receiving block slidably contacting the inclined surface of the inclined block is fixed, the inclination directions of the inclined surfaces of the inclined blocks on the same intersection line are set symmetrically, and the inclined blocks on the same intersection line can be moved in the same direction. A rotary drive device is provided which is connected to each other by the adjustment screw shafts and is capable of rotating and driving each of the adjustment screw shafts on both intersecting lines, and the rotary drive is performed based on the detection signals of the level detector that detects the levels at the four corner positions of the target member A leveling device comprising a level control device for driving the device.