JP2001062658A - Stock vice device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To positively fix a workpiece according to its shape by fitting an article keep member to the tip of a rod supported in an axially movable manner while coaxially piercing a pair of opposed pieces forming a U-shaped frame. SOLUTION: When a cam 7 is rotated clockwise around a shaft 7a, a rod 3 moves to the right against the compressive force of a coil spring 4 through an adjusting plate 6, to enlarge a space between a mouthpiece part 8a and an article keep member 9 provided at the tip of the rod 3. A workpiece 10 is disposed between the mouthpiece part 8a and the article keep member 9, and when the rotational force of the cam 7 is released, the workpiece 10 is elastically clamped at once between the mouthpiece part 8a and the article keep member 9 at the tip of the rod 3 by the compressive force of the coil spring 4, and machining such as electric discharge machining can be applied. Various workpieces can be stably held by the article keep member 9 in spite of one kind of stock vice device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vice device for grinding small objects or electrical discharge machining, which can perform a work for fastening a work quickly, reliably and stably.

[0002]

2. Description of the Related Art In a conventional vise device, a movable body is opened by rotating a handle, and a work is sandwiched between a base of the vise device main body and the movable body, and then the handle is turned again to tighten and fix. There was a problem that the tightening operation required time and was inefficient. In particular, when many workpieces are ground and machined, there has been a problem that much labor is required for fastening the workpieces.

In order to solve such a problem, Japanese Utility Model Laid-Open No.
In 1-1181668, the movable body for fixing the work is urged toward the base by a spring, the movable body is retracted by lever operation against the urging force of the spring, and the workpiece is arranged between the base and the base. Then, there has been proposed a vice capable of fixing the workpiece with one touch by releasing the lever operation and moving and biasing the movable body toward the base with a spring.

[0004]

According to the above vice,
Workpieces can be released very quickly,
The processing can be performed very quickly, but there is a problem that the workpiece cannot be securely fixed because the movable body for pressing the workpiece is rod-shaped and the area of the rod tip is small.

An object of the present invention is to solve the above-mentioned problems and to provide a vice device which can be fixed securely according to the shape of a workpiece.

[0006]

According to a first aspect of the present invention, there is provided a vise device which coaxially penetrates a U-shaped frame and a pair of opposed pieces forming the U-shaped frame and is supported so as to be movable in an axial direction. And an adjustment plate fixed to the rod;
An elastic body inserted between the adjusting plate and one of the opposing pieces to urge the rod toward the other opposing side, and moves the rod against the pressing force of the elastic body via the adjusting plate; A vise device comprising a cam to be fixed, a base member for fixing the U-shaped frame, and a base fixed to the base member and opposed to the rod to resiliently clamp the workpiece. The article holding member is attached to the rim.

According to the present invention, a vice device corresponding to a workpiece can be provided by attaching a U-shaped frame to an arbitrary base member. Further, since the article holding member is attached to the tip of the rod, the workpiece can be securely fixed. The vise device according to claim 2 is characterized in that the article holding member is formed in a rectangular or circular plate shape.

According to a third aspect of the invention, there is provided a vice device, wherein an article holding member formed in a U-shape by providing fitting pieces on both sides of a substrate portion,
The U-shaped frame of the vice device may be slidably fitted to an opposing piece on the base side of the U-shaped frame, and a substrate portion of the U-shaped article pressing member may be attached to a tip of the rod. According to the present invention, since the U-shaped article pressing member fits the facing piece of the U-shaped frame and fixes the workpiece, the workpiece is reliably fixed stably without horizontal displacement. be able to.

According to a fourth aspect of the invention, in the vice device, the upper portion of the facing piece on the base side of the U-shaped frame of the vice device is formed to be thin, and the U-shaped article pressing member slides on the thin formed portion. It is movably fitted. According to the present invention, the U-shaped article pressing member is fitted into the thin portion formed on the upper portion of the opposing piece of the U-shaped frame, and the step portion formed between the thin portion and the lower portion of the opposing piece. Since the bottom surface of the U-shaped article pressing member is slidably in contact with the work piece, the work piece can be fixed in a more stable state without the contact surface with the work piece moving in the vertical direction.

According to a fifth aspect of the present invention, the lower part of the article pressing member of the vise apparatus is extended and attached so as to be slidably contacted with the base member. According to the present invention, since the bottom of the U-shaped article pressing member reaches the base member and fixes the workpiece, even if the workpiece is a vertically long article, the contact surface does not move vertically. Can be fixed stably.

[0011]

Next, an embodiment of the present invention will be described. Embodiment 1 FIG. 1 is a front view of a vise device according to Embodiment 1 of the present invention,
FIG. 2 is a plan view of FIG.

In FIG. 1, reference numeral 1 denotes a U-shaped frame made of metal such as steel, which is formed by a pair of opposing pieces 1a and 1b and a bottom 1c integrally connecting the opposing pieces 1a and 1b. The opposing pieces 1a and 1b have through holes 2a and 2b for rod insertion.
Are drilled coaxially, and one rod 3 is inserted through these through holes 2a and 2b in parallel with the bottom portion 1c.

Reference numeral 4 denotes an elastic body, and in the illustrated example, a coil spring. The elastic body 4 is fitted to the outside of the rod 3 and is compression-inserted between the opposing piece 1a and the adjustment plate 6 fixed to the outer periphery of the rod 3, and biases the rod 3 to protrude leftward in FIG. I do. Reference numeral 5 denotes a compression adjusting screw of the coil spring 4, which has a male screw portion 5a on the outer periphery and is screw-fitted with a female screw (not shown) formed on the inner surface of the through hole 2a of the opposing piece 1a, thereby forming the flange portion 5b. Have.

The compression adjusting screw 5 has a through hole 5c at the center for inserting the rod 3, and by adjusting the amount of screwing into the opposing piece 1a, the axial compression amount of the coil spring 4 is adjusted. The fixed pressing force on the workpiece 10 (FIG. 5) is adjusted. The adjusting plate 6 has a through hole 6a through which the rod 3 is inserted, and a split (not shown) formed to apply a tightening force to the rod 3.
This split is tightened by a tightening screw 6b.

Reference numeral 6c denotes a projection which engages with a cam 7 described later. In FIG. 1, reference numeral 7 denotes a cam.
Is moved against the pressing force. Further, as shown in FIG. 1, the joint inner surface of the opposing piece 1b and the bottom side 1c of the U-shaped frame 1 is formed as a circumferential surface having the same radius as the circumferential bottom surface 7b of the cam 7, and The cam 7 is supported in the circumferential direction by contact, and is supported in the axial direction by engagement with the protrusion 6c of the adjusting plate 6. When a rotational force is applied, the adjusting plate 6 is resiliently sandwiched between the adjusting plate 6 and the opposing piece 1b and rotates to move the adjusting plate 6 in the axial direction.

As shown in FIG. 1, the bottom 1c of the U-shaped frame 1 is attached to the base member 8 by screws (not shown). The base member 8 is provided with a plurality of screw holes (not shown), and by selecting these screw holes, the mounting position of the U-shaped frame 1 can be selected. Reference numeral 9 denotes an article pressing member, which faces the base 8a of the base member so that the workpiece 10 (FIG. 5) can be elastically held therebetween.

The article holding member 9 is shown in FIGS.
As shown in the figure, the rod 11 is formed into a circle 11 or a rectangle 12 and is fixed to the distal end surface of the rod 3 with a screw 14 via a washer 13. Can also be pressed. The compression force of the coil spring 4 when supporting the workpiece 10 is usually 30 to 80 kg / cm, and at least 40 kg / cm for grinding.

As the above coil spring, a coil spring manufactured by Tokyo Hakko Co., Ltd. is preferably used. For example, a coil spring having a torque of 25 kg / cm, 55 kg / cm, 80 kg / cm manufactured by Tokyo Hakko Co., Ltd. is used. You. In FIG. 5, when the cam 7 is rotated clockwise about the shaft 7a, the rod 3 moves rightward in the drawing against the compressive force of the coil spring 4 via the adjusting plate 6, and the base 8a and the rod 3 The space between the tip and the article holding member 9 is increased.

When the workpiece 10 is disposed during this time and the rotational force of the cam 7 is released, the workpiece 10 is immediately moved by the compression force of the coil spring 4 between the base 8 a and the article holding member 9 at the tip of the rod 3. It is elastically sandwiched between them, and machining such as electric discharge machining becomes possible. In the above description, when adjusting the repelling support force of the workpiece 10, the adjustment screw 5 is rotated to adjust the compression amount of the coil spring 4 and adjust the initial compression force on the rod 3.

When the resilient support force cannot be adjusted by the adjusting screw 5, the spring is replaced with a spare coil spring having a different compressive force. In the case where the supporting force is adjusted as described above and the workpiece 10 is supported only by the elasticity, the workpiece is subjected to, for example, the above-mentioned electric discharge machining, wire cut electric discharge machining or the like in which no external force is applied, and the drill is provided. When an external force such as piercing is applied, the supporting force is strengthened in cooperation with the article pressing member 9, the base 8 a, and the upper surface of the base member 8 before use.

When the article holding member is formed in a rectangular shape, its lower portion is extended downward and its bottom surface is slid on the upper surface of the base member 8 as shown in FIG. It can also be formed so as to be movable. Here, inside the rectangular article holding member 12, a vertical hole 15 communicating with the horizontal hole into which the tip of the rod is inserted and opening at the bottom side is provided.
Are provided, and a female screw is formed on the inner surface thereof. The distal end of the rod 3 is pressed by the mounting screw 16 to fix the distal end of the rod 3 and the rectangular article pressing member 12.

As described above, according to the vise apparatus of the first embodiment, the positioning of the U-shaped frame 1 with respect to the base member 8 can be appropriately changed by selecting the mounting position of the U-shaped frame 1. In addition, various types of workpieces can be stably clamped by the article holding member, even though the vice device is a single type. Second Embodiment FIG. 7 is a front view of a vise device according to a second embodiment, and FIG.
FIG. 9 is a perspective view of FIG. 7, in which a U-shaped article pressing member 17 is attached to the tip of the rod 3, and slides on the facing piece 1b on the base 8a side of the U-shaped frame 1. Mating is possible. Here, in FIGS. 7, 8 and 9,
The same reference numerals as those in FIGS. 1 and 2 denote the same or corresponding members as those shown in FIG.

As shown in FIG. 10, the U-shaped article holding member 17 has a rectangular fitting piece 17b formed on both sides of a substantially square substrate portion 17a at right angles to the substrate portion 17a. The fitting piece 17b is slidably fitted to the facing piece 1b. Here, the horizontal length between the two fitting pieces 17b is substantially the same as the thickness of the facing piece 1b, and the length in the vertical direction is about half the height of the facing piece 17b. A hole is formed in the center of the substrate portion 17a, and the substrate portion 17a is fixed to the tip of the rod 3 with a screw 14 via a washer.

According to the second embodiment, since the inner side of the fitting piece 17b of the U-shaped article pressing member 17 is slidably fitted to the facing piece 1b, it shakes in the horizontal direction. Workpieces can be stably fixed without the need. FIG. 11 shows a modification of the second embodiment, in which the U-shaped article pressing member 17 includes a rectangular substrate portion 17b having substantially the same height as the opposing piece 1b, and At right angles to the portion 17a and the substrate portion 17
a and a fitting piece 17b formed in a rectangular shape having the same height. The bottom of the U-shaped article pressing member is slidably in contact with the base member 8 and can be stably fixed to a vertically long workpiece. Third Embodiment FIG. 12 is a perspective view of a vise device according to a third embodiment, in which a U-shaped article pressing member 17 is formed on an upper part of an opposing piece 1 b on a base 8 a side of a U-shaped frame 1. The thin portion 1d is slidably fitted to the thin portion 1d.
d and a step portion 1e formed between the lower portion of the opposing piece 1b.
The bottom surface of the U-shaped article pressing member is slidably in contact with the U-shaped article pressing member.

Therefore, according to this embodiment, the U-shaped article pressing member 17 has the bottom surface of the stepped portion 1.
e can be slidably contacted, and the workpiece can be fixed without being shaken not only in the horizontal direction but also in the vertical direction. Further, since the U-shaped article pressing member 17 and the U-shaped frame 1 are further in close contact with each other, the urging force of the spring can be further transmitted to the workpiece.

[0026]

As described above, according to the vise apparatus of the present invention, the workpiece can be attached and detached with one touch, so that the processing can be performed quickly and the workpiece can be processed by various article holding members according to the application. An object can be fixed stably.

[Brief description of the drawings]

FIG. 1 is a front view of a vise device according to Embodiment 1 of the present invention.

FIG. 2 is a plan view of the vise device according to the first embodiment of the present invention.

FIG. 3 is a perspective view of a main part when a circular article pressing member is attached to the tip of the rod of the vise device according to Embodiment 1 of the present invention.

FIG. 4 is a perspective view of a main part when a rectangular article pressing member is attached to the tip of the rod of the vise device according to Embodiment 1 of the present invention.

FIG. 5 is a front view showing a use state of the vise device according to the first embodiment of the present invention.

FIG. 6 is a front view showing another example of the vise device according to the first embodiment of the present invention.

FIG. 7 is a front view of a vise device according to a second embodiment of the present invention.

FIG. 8 is a plan view of a vise device according to Embodiment 2 of the present invention.

FIG. 9 is a perspective view of a vise device according to Embodiment 2 of the present invention.

FIG. 10 is a perspective view of a vice device according to a second embodiment of the present invention in which a U-shaped article pressing member is attached to a rod tip.

FIG. 11 is a perspective view showing a modification of the vise device according to the second embodiment of the present invention.

FIG. 12 is a perspective view showing a vise device according to Embodiment 3 of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 U-shaped frame 1a Opposing piece 1b Opposing piece 1c Bottom part 1d Thin part 1e Step part 2a Through hole 2b Through hole 3 Rod 4 Rod adjusting screw 5 Coil spring 6 Adjusting plate 7 Cam 8 Base member 8a Cap part 9 Article holding member 10 Workpiece 11 Circular article holding member 12 Rectangular article holding member 17 U-shaped article holding member 17a Substrate 17b Fitting piece

Claims (5)

[Claims] 1. A U-shaped frame, a rod coaxially penetrating a pair of opposed pieces forming the U-shaped frame and supported so as to be movable in an axial direction, and an adjustment plate fixed to the rod. An elastic body inserted between the adjusting plate and one of the opposing pieces to urge the rod toward the other opposing side, and moves the rod against the pressing force of the elastic body via the adjusting plate; A vise device comprising a cam to be fixed, a base member for fixing the U-shaped frame, and a base fixed to the base member and opposed to the rod to resiliently clamp the workpiece. A vise device, wherein an article holding member is attached to the vice. 2. The vise apparatus according to claim 1, wherein the article holding member is formed in a rectangular or circular plate shape. 3. An article holding member formed in a U-shape by providing fitting pieces on both sides of a substrate portion, and slidably fitted to an opposing piece on the base side of the U-shaped frame. The vise apparatus according to claim 1, wherein a substrate portion of the character-shaped article pressing member is attached to a tip of the rod. 4. An upper portion of an opposing piece on the base side of a U-shaped frame is formed to be thin, and a U-shaped article pressing member is slidably fitted to the thin formed portion. The vise device according to claim 3, wherein 5. The vise apparatus according to claim 1, wherein a lower portion of the article pressing member extends and is attached so as to be slidably contacted with the base member.