JPS6236833B2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The disclosed technology provides a vise that increases lateral and upward clamping force when clamping a workpiece in a vise when milling the workpiece. Belongs to the technical field of tightening devices.

Therefore, the present invention provides a vise body in which a workpiece is interposed between the end plate of a vice frame and a press plate, and a worm is rotated to push the press plate so that its end is attached to the press plate. This invention relates to a vise tightening device which is fastened with a press plate, and in particular, a fastening body is rotatably movable with respect to a base provided on a vise body and is in sliding contact with a flat bottom surface, and a press plate and a press plate are fastened together. This invention relates to a vise tightening device having a setting surface for a work clamped therebetween, and a stopper on the side thereof.

<Prior Art> As is well known, a vise clamping device is used for clamping when performing cutter processing or the like using a milling cutter.

As shown in FIGS. 1 and 2, the end plate 2 at the end of the vice frame 1 is provided with the vice body 6 of the inclined plates 4 and 5 via balls 3, and is rotated via a handle (not shown). A press plate 8 is moved forward and backward by a worm 7, a workpiece 9 is interposed between the press plate 8 and the vise body 6, and the cutter 1 attached to the milling head 10 is clamped.
1, the upper surface of the workpiece 9 is processed.

<Problems to be Solved by the Invention> However, in this type of vise tightening device 12, the opposing sides of the workpiece 9 that come into sliding contact are deviated by X° and Y° in the X-axis direction and the Y-axis direction, respectively. Even if they are not parallel to each other, as shown in the figure, the vise body 6 performs universal operation via the ball 3 and comes into contact with the clamping surface of the workpiece 9, but the lateral and vertical restraint means are There is no particular problem, and the only thing that can be done is to prevent the displacement by the frictional force that is fastened to the end. Therefore, in the case where the upper surface of the workpiece 9 is inclined, the workpiece 9 will not be moved to the vise body 6 during the cutting process.
This has the disadvantage of causing misalignment, which can lead to machining defects and the difficulty of maintaining accuracy as set.This is because the deflection angle cannot be designed to be X゜>15゜. was also restricted.

Therefore, there is a disadvantage that the processing yield is poor and the cost is increased as a result, and there is also the disadvantage that skill is required to adjust the tightening force of the vise to cope with this problem.

The purpose of this invention is to solve the problems of the vise tightening device based on the above-mentioned prior art as a technical problem to be solved.
While maintaining the setting function by the universal action of the vise body, the vise body has a function of restraining lateral displacement, and the opposing sides of the workpiece are made non-parallel. Another object of the present invention is to provide an excellent vise tightening device that can be easily clamped and can reliably maintain the tightened state in a fixed position, thereby benefiting the field of processing technology in the machine manufacturing industry.

<Means/actions for solving the problems> In accordance with the above-mentioned object, the structure of the present invention, which is summarized in the above-mentioned claims, sets a workpiece between the vise body and the press plate in order to solve the above-mentioned problems. The press plate is brought into contact with the clamping body and the press plate is pushed forward to perform tightening, and in the tightening process, the clamping body slides against the base through mutual partial circumferential surfaces and also through a magnet. The end surface of the workpiece is securely fastened by rotating through both moving flat bottom surfaces, and the stopper prevents it from moving laterally, and it is also securely fixed to the bottom of the vise frame. This is a technical measure that allows the upper surface of the workpiece to be cut in the same state.

<Example> Next, an example of this invention will be described below based on the drawings from FIG. 3 onwards. Note that the same parts as in FIGS. 1 and 2 will be described using the same reference numerals.

Reference numeral 13 denotes a vise tightening device which constitutes the gist of the present invention, and an end plate 2 is erected at the end of the vise frame 1, and a press plate 8 is provided opposite to the end plate 2 and is movable back and forth in the axial direction. A worm 7 that is rotated by a handle (not shown) is screwed onto the worm 7, and an edge end 1 is provided on the lower edge of the press plate 8 on the opposite side of the end plate 2.
4 and tilted at Y° in the lateral direction.
5 is fixed.

16 is a vice main body, which is one of the gist of this invention.
The base 17 has its bottom and back faces connected to the vise frame 1 and the end plate 2.
It is attached to and fixed as appropriate.

As shown in FIGS. 5 and 6, the base 17 has an adjustment cavity 1 that circumscribes a cylinder that faces the press plate 8 and is inclined at an angle of A° in the direction transverse to the long axis.
8 is bored and consists of a partial circumferential surface 19 and a flat bottom surface 20 perpendicular to the axis of inclination of A°.

Further, reference numeral 21 denotes a tightening body, which is molded separately from the base 17 and has a partial circumferential surface 22 having the same radius and which is in surface contact with the partial circumferential surface 19 of the base 17 on its back surface.
In addition, the bottom part forms a flat bottom surface 23 which is in surface contact with the flat bottom surface 20, and a flat set surface 24 is formed opposite to the press plate 8.
A rim 25 serving as a stopper is integrally formed so as to protrude toward the press plate 8 in a hook shape when viewed from above, corresponding to the lower side of the adjustment cavity 18 of No. 4.

As shown in FIGS. 3 and 4, a magnet 26 is embedded in the bottom of the clamping body 21 so that its bottom surface is flush with the flat bottom surface 23 of the clamping body 21, and the flat bottom of the base 17. It is adapted to be attracted to the surface 20.

In the above configuration, as shown in FIGS. 3, 4 and 6, the opposing sides of the workpiece 9' are made non-parallel by X° and Y°, and the top surface 27 is inclined at A° with respect to the bottom surface. For a piece whose angle is perpendicular to the long axis of the workpiece 9', during cutting, when the front edge of the workpiece 9' is brought into contact with the rim 25 by the clamping body 21, the clamping body 21 rotates its partial circumferential surface 22 in sliding contact with the partial circumferential surface 19 of the base 17 to bring the setting surface 24 into approximately contact with the end surface of the workpiece 9', and at the same time, the workpiece is brought into contact with the flat bottom surface 20 of the adjustment cavity 18. When the bottom surface of the press plate 9' is abutted and locked, and in this state the worm 7 is rotated via a handle (not shown), the press plate 8 moves forward, and in the middle tightened state, the press plate 8 is brought into contact with the bottom surface of the press plate 8. A correction plate 1 having an inclination of Y° with an axis tilted at A° as a rotation axis.
5 comes into contact with the rear surface of the workpiece 9' and enters the fastening state, and by rotating the worm 7, the tightening body 2
1 is a flat bottom surface of the base 17 that is opened while the set surface 24 is brought into close contact with the front surface of the workpiece 9' through the relative sliding of the partial circumferential surfaces 19 and 22 and the sliding contact of the flat bottom surfaces 20 and 23. The bottom surface of the workpiece 9' is brought into contact with the workpiece 9', and the rear surface is brought into contact with the correction plate 15, so that the long axis of the workpiece 9' and the axis of the vice frame 1 are made parallel.

Therefore, before the final tightening, the setting is adjusted by applying an adjusting force in the direction of the lateral rim and downward using an appropriate means such as a hammer to correct the deviation, and finally tightening is performed with the worm 7. ,
Complete the clamp.

Therefore, when the tightening is completed, the workpiece 9' is firmly clamped between the vice body 16 and the correction plate 15.

Incidentally, during the clamping process, the workpiece 9' is prevented from falling off from the base 17 while the clamping body 21 is sliding, and this is prevented by the magnetic attachment of the magnet 26, and the workpiece 9' is stored and managed in an integrated manner.

After the clamp is finished, the milling head 10
A cutter 11 is attached as shown in FIG. 2, and a predetermined cutting process is performed on the upper surface 27 of the workpiece 9'.

During the cutting process, a lateral moving force is applied to the workpiece 9' set in an inclined position through frictional force, but this is prevented by the stopper rim 25, and the upward force, The descending force is blocked by the correction plate 15 and the setting surface 24.

Incidentally, it goes without saying that the embodiments of this invention are not limited to the above-mentioned embodiments, and for example,
It is also possible to change ° and A°, and various aspects can be adopted, such as being applicable to rectangular workpieces.

<Effects of the Invention> As described above, according to the present invention, in the vise tightening device, the vise body attached to the end plate and the press plate are brought into relative proximity via the worm to tighten the interposed workpiece. As a result, the workpiece not only has the basic effect of being firmly clamped against the cutter, but also has a circumferential surface having a flat bottom portion on the base provided in the vise body, facing the press plate. A clamping body that slides on the flat bottom surface and the partial circumferential surface is provided so as to be relatively slidable, and a stopper is attached to the set surface of the clamping body so as to face the press plate, so that the workpiece can, for example, Even when the cutting plane is tilted, the partial circumferential surface slides and the clamp operates in a universal manner to ensure secure tightening.
Moreover, even if a lateral movement force is applied to the workpiece due to the applied force during machining, the stopper prevents the lateral movement, which has the excellent effect of ensuring that the clamp is maintained during machining. There is.

In addition, since the clamping body against the base makes sliding contact through a partial circumferential surface, the operating range is narrower compared to the conventional inclined plate method, which can only absorb an inclination of less than 15°. It has an excellent effect that can be applied widely.

Furthermore, there is no need for ball processing like in the conventional style.
There is also the secondary advantage that some parts of the structure can be easily constructed.

In addition, by integrally providing the flat bottom surface of the clamping body with a magnet that slides into contact with the flat bottom surface of the vise body, there is an effect that the clamping body will not fall off from the vise body during the vise tightening process. Not only that, but also when storing the vise other than when tightening the vise, the clamping body and the vise main body can be magnetically integrated with each other using a magnet, which also makes it easier to manage the jig.

[Brief explanation of the drawing]

1 is a plan view of a vise tightening device based on the prior art, FIG. 2 is a side view of the same, and FIG. 5 is a partially sectional side view, FIG. 5 is an exploded perspective view of the vice body, and FIG. 6 is a perspective view of section A in FIG. 4. 1... Vice frame, 2... End plate, 7
...Worm, 8...Press plate, 9'...Workpiece, 16...Vise body, 13...Vise tightening device,
19, 22... partial circumferential surface, 20, 23... flat bottom surface,
17...Base, 24...Set surface, 25...Stopper, 26...Magnet.

Claims (1)

[Claims] 1. In a vise tightening device having a vise body installed at the end of the end plate for a work interposed between an end plate installed opposite to a vise frame and a press plate screwed onto a worm, the vise body a base that faces the press plate and has a partial circumferential surface and a flat bottom surface connected to the partial circumferential surface, and a base that is rotatably in sliding contact with the partial circumferential surface via the partial circumferential surface and the flat bottom surface; and a clamping body having a stopper formed on one side of a flat set surface facing the press plate, the clamping body being in sliding contact with the press plate through a flat bottom surface having a magnet.