JPH11207641A - Clamper with toggle mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a clamper with a toggle mechanism which can be fitted easily, with a simple structure, to a fixing jig fixed to a processing table. SOLUTION: A base member 14 consisting a fixing jig 12, and an adjusting member 15 engaged with the base member 14 are placed at the upper surface of a processing table 11, a fastening bolt 16 locked in the fitting groove 11a of the processing table 11 is penetrated through the central part of both the members 14, 15, the extension part 21a of a fitting base 21 for a clamper 13 is placed on the top surface of the adjusting member 15, the fastening bolt 16 is inserted in a through hole 21b formed at the extension part 21a, and the extension part 21a is fastened and fixed at the top surface of the adjusting member 15 with a nut 17 engaged with the bolt 16. A toggle mechanism K is operated by turning the operation lever 32 of the clamper 13, and a work W is clamped at a prescribed position by pressuring the top surface of the work W against the processing table 11 using a clamp bolt 29.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clamping device provided with a toggle mechanism.

[0002]

2. Description of the Related Art A conventional clamping device provided with a toggle mechanism is used in a machining table of a machine tool for fixing a work to be drilled, for example, by a drill to the machining table. Since this clamping device has a relatively simple structure and can be obtained at a low cost, it is versatile, and a device as shown in FIGS. 14 and 15 has been proposed. This clamping device is used to hold the support 2 against the upper surface of the rectangular mounting substrate 21.
2, a base end of a clamp lever 23 is rotatably connected to the support 22 by a first connecting pin 24, and a distal end of an operation lever 32 is provided at an intermediate portion of the clamp lever 23. Are rotatably connected by a second connecting pin 33. One end of a connection link 34 constituting a toggle mechanism K is rotatably connected to the support 22 by a third connection pin 36, and the other end of the connection link 34 is connected to the second end of the operation lever 32. A fourth connecting pin 37 is rotatably connected to an intermediate portion near the connecting pin 33, and a clamp bolt 29 for pressing a body to be clamped is provided at a distal end of the clamp lever 23 to adjust the position of the clamp lever 23 in the longitudinal direction. It is supported so as to be able to adjust the height in the pressing direction orthogonal to the lever 23.

[0003] The mounting board 21 is formed with four holes 21b for mounting to a processing table 11 of a machine tool. As shown in FIG. 15, a bolt 61 is inserted into the hole 21b.
a, 61b, and the mounting substrate 21 is fastened and fixed to the processing table 11. When the operating lever 32 is rotated clockwise around the second connection pin 33 with the clamp device attached to the processing table 11, the connection link 34
6, the clamp lever 23 is rotated counterclockwise about the first connection pin 24, and the workpiece W is pressed against the upper surface of the processing table 11 by the clamp bolt 29. . This state is the fourth connecting pin 3
7 is maintained by exceeding the dead point D connecting the centers of the second and third connecting pins 33 and 36.

[0004]

As described above, the work W
In the process of being pressed against the processing table 11, the mounting board 21 receives a clockwise rotational moment about the contact point O on the right edge in FIG. This moment is received by the bolts 61a and 61b. At this time, the lifting force due to the rotational moment does not act much on the pair of bolts 61b located on the rear side of the pair of front and rear bolts 61a and 61b. However, since the distance of the bolt 61a located on the front side from the contact point O is longer than the distance of the bolt 61b from the contact point O, a large lifting force acts. That is, the rear tightening bolt 61b is almost in a play state, and it can be said that there is not much problem even if the tightening bolt 61b is not used. Nevertheless, the tightening bolt 61b which is conventionally in the idle state is used.
Since the mounting operation of the clamp device is performed using a total of four bolts 61a and 61b, including not only the number of parts but also the mounting operation is very troublesome.

The applicant of the present application has proposed a fixing jig for positioning and fixing the work W at a predetermined position on the processing table 11. As shown in FIG. 16, this jig is screwed into a base member 14 having a screw hole 14a penetrating in a vertical direction, and a screw hole 14a of the base member 14 capable of adjusting its movement in the height direction. And a cylindrical adjusting member 15 having a male screw 15a. Also, this jig is provided with a hole 15 provided in the adjusting member 15 and penetrating vertically.
b and a tightening bolt 16 and a nut 17 that penetrate through the screw hole 14 a of the base member 14 and fix the adjustment member 15 and the base member 14 to the processing table 11. Further, this jig determines the position of the work W using the adjustment member 15 and the base member 14 fixed by the bolts 16 and the nuts 17. Then, an inverted U-shaped clamp member 62 is placed on the upper surface of the flange portion 15c of the adjustment member 15 and the work W, and a bolt 63 penetrating the clamp member 62 is screwed into the adjustment member 15 to thereby clamp the adjustment member 15. 62 is pressed against the adjusting member 15 and the work W to fix the work W to the upper surface of the table 11.

The work W can be easily clamped by the fixing jig described above. However, when this jig is used in combination with the clamp device provided with the toggle mechanism K, the work W is fixed to the upper surface of the adjusting member 15. Since the fastening bolt 16 is protruding, it was necessary to modify the fixing jig. That is, it is necessary to prevent the tightening bolt 16 and the nut 17 from projecting from the upper surface of the adjusting member 15 and to form four screw holes for screwing the bolts 61a and 61b to the upper surface of the adjusting member 15. Was. In addition, there is a problem that the centering of the space between the four screw holes and the bolt insertion holes 21b of the mounting board 21 is troublesome, and a clamp device having the mounting board 21 of a different standard cannot be mounted. further,
There are also four locations where the mounting board 21 is fastened to the adjusting member 15, and there is a problem that the mounting operation is troublesome. In addition, since it is necessary to rotate the bolt 63 with a tool such as a spanner, the clamping operation of the work W is troublesome.

SUMMARY OF THE INVENTION The present invention has been made in view of the problems existing in the prior art described above, and has as its object to facilitate the work of attaching to a workpiece such as a working table or a fixing jig. It is another object of the present invention to provide a clamping device provided with a toggle mechanism that can reduce the number of parts for mounting and can easily clamp a work.

[0008]

In order to achieve the above object, according to the first aspect of the present invention, a support is connected to a mounting board mounted on a mounting body such as a table or a fixing jig. A clamp member for clamping a clamped object such as a jig or a work to be processed is supported on the support so as to be able to rotate or reciprocate linearly, and a toggle mechanism is connected between the support and the clamp member. In a clamp device configured to actuate a mechanism by an operation lever to press the clamped body by the clamp member, the mounting substrate is extended in a forward direction to approach a position where the clamp member presses the clamped body. At the center of the extension, an attachment hole or an attachment recess for fixing the extension to the attached body with a fastener such as a bolt is provided.

According to the second aspect of the present invention, in the first aspect, the mounting concave portion is formed from a side to a center of the extension. According to a third aspect of the present invention, in the first aspect, the mounting hole or the mounting recess is formed to be vertically long in the front-rear direction.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. In the first embodiment, a work W is placed on the upper surface of a machining table 11 of a machine tool.
Are attached. The fixing jig 12 includes a clamp device 13 having a toggle mechanism K.
Is installed. Then, the workpiece W placed on the upper surface of the processing table 11 is
Is pressed to a predetermined position.

A screw hole 14a is formed at the center of the cylindrical base member 14 constituting the fixing jig 12, and reference portions S for determining the position of the work W are formed at four places on the outer peripheral surface. Is formed. A male screw portion 15 a formed on the outer peripheral surface of the cylindrical adjusting member 15 is screwed into the screw hole 14 a of the fixing jig 12. At the center of the adjusting member 15, a hole 15b penetrating the tightening bolt 16 is formed in the vertical direction. The head 16 a of the bolt 16 is engaged with the mounting groove 11 a of the processing table 11, and a nut 17 is screwed into a male screw portion at an upper end portion to thereby form a clamp device 1 described later.
The third mounting substrate 21 is fastened and fixed.

Next, the clamp device 13 will be described. A support plate 22 as a support is integrally formed on the upper surface of the center of the mounting board 21. The base end of the clamp lever 23 is provided at the front end of the support plate 22 with the first connecting pin 2.
4 are connected so as to be vertically rotatable. The clamp lever 23 is a pair of left and right parallel lever pieces 2.
5 and 26, a pair of upper and lower mounting plates 27 and 28 in contact with the upper and lower ends of the lever pieces 25 and 26, and both mounting plates 27 and 2
8 and a pair of lever pieces 25, 25 with the mounting bolts 27, 28 with respect to the mounting plates 27, 28.
And nuts 30 and 31 which are fastened and fixed to the nut 26.

A distal end of an operation lever 32 is connected to a base upper portion of the clamp lever 23 by a second connection pin 33 so as to be rotatable in a vertical direction. The proximal ends of the pair of connecting links 34 and 35 constituting the toggle mechanism K are connected to the support plate 2.
The second link 2 is rotatably connected to the rear end via a third connecting pin 36 via a third connecting pin 36. It is movably connected.

As shown in FIG. 4, the mounting board 21 is extended forward, that is, toward the clamp bolt 29, and a tightening bolt 16 constituting the fixing jig 12 is inserted through the center of the extension 21a. A possible bolt insertion hole 21b is formed in one place.

Next, the fixing jig 12 constructed as described above is used.
The operation of clamping the work W placed on the upper surface of the processing table 11 at a predetermined position using the clamp device 13 will be described.

As shown in FIG. 2, a head 16a formed at the lower end of the tightening bolt 16 on the upper surface of the processing table 11 is engaged with the mounting groove 11a of the table 11, and the bolt 16 is moved upward from the upper surface of the table 11. Erected in In this state, the male screw portion 15 of the adjusting member 15 is inserted into the screw hole 14a of the base member 14.
a with the bolt insertion hole 15 of the adjusting member 15
The lower surface of the base member 14 is placed on the upper surface of the working table 11 so that the tightening bolt 16 is inserted through the upper end of the adjusting member 15.

Next, the bolt insertion hole 21b formed in the extension 21a of the mounting board 21 of the clamp device 13 is fitted to the upper end of the tightening bolt 16, and the mounting board 21 is placed on the upper surface of the adjusting member 15. Place. Then, the nut 17 is screwed into the tightening bolt 16, and the extension 21 a of the mounting board 21 is tightened and fixed to the upper surface of the adjusting member 15 via the washer 18. In this state, the base member 14, the adjusting member 15, and the mounting board 21
And a nut 17 for fastening. As a result, the clamping device 13 is attached and fixed to the processing table 11 together with the fixing jig 12.

Next, the work W on the upper surface of the processing table 11
Is a flat reference portion S formed on the outer peripheral surface of the base member 14.
And is positioned at a desired position. Thereafter, the operating lever 32 of the clamp device 13 is moved to the clamp device 1 in FIG.
When turning clockwise in the assembled state of No. 3,
The clamp lever 23 of the clamp device 13 is rotated counterclockwise in FIG. 2 about the first connection pin 24, and the connection links 34 and 35 are rotated counterclockwise about the third connection pin 36. And the fourth connecting pin 37
Is moved toward a dead point D connecting the center O1 of the second connecting pin 33 and the center O2 of the connecting pin 36 with a straight line. Then, the head 29a formed at the lower end of the clamp bolt 29 contacts the upper surface of the work W with the center O3 of the fourth connecting pin 37 approaching the dead point D. When the operation lever 32 is further pressed and rotated clockwise in this state, as shown in FIG.
Is moved downward over the dead point D. At this time, the upper surface of the work W is pressed by the head 29a of the clamp bolt 29, and the work W is clamped and held on the upper surface of the processing table 11.

The work W by the operation lever 32
In the clamping operation described above, the upward reaction force received by the clamp bolt 29 is transmitted to the clamp lever 23, the support plate 22, and the mounting board 21, and the lower middle portion of the mounting board 21 and the upper face of the flange portion 15c of the adjusting member 15. Act on. At this time, the mounting substrate 21 receives a rotational moment in the clockwise direction about the contact point P between the right edge portion of the flange portion 15c and the lower surface of the mounting substrate 21.
“a” tends to float upward from the upper surface of the flange portion 15 c, but is prevented by the bolt 16 and the nut 17.

Next, the effects of the clamp device 13 configured as described above will be listed together with the configuration. (1) In the above embodiment, the bolt insertion hole 21 of the tightening bolt 16 is inserted into the extension 21 a that extends the front end of the mounting board 21 of the clamp device 13 toward the clamp bolt 29.
b, and the insertion hole 21b is set at the center of the extension 21a.
Thus, the mounting substrate 21 can be fastened to the fixing jig 12, and the mounting operation of the clamp device 13 to the fixing jig 12 can be easily performed with a simple configuration.

(2) In the above embodiment, the fixing jig 1
Since the work W is pressed and held on the upper surface of the processing table 11 by combining the work tool 2 and the clamp device 13, the degree of freedom of the clamp height of the work W by the clamp device 13 can be increased.

(3) In the above embodiment, since the extension 21a is formed integrally with the mounting board 21 and the insertion hole 21b for the bolt 16 is formed at a central portion thereof, a fixing jig is used. The clamping device 13 can be easily attached to the fixing jig 12 by one fastening bolt 16 and nut 17 which also serves as a fastening function, and the number of parts can be reduced.

Next, a second embodiment of the present invention will be described with reference to FIG. In the second embodiment, a screw hole 14b is formed in the center of the bottom of the base member 14 constituting the fixing jig 12, and the upper end of the bolt 41 is screwed in.
A bolt 41 is fixed at a predetermined position by a set bolt 42 screwed into a screw hole 14c formed in the base member 14. Further, the bolt 41 is screwed into the screw hole 11 b of the processing table 11.
The base member 14 is screwed into the
Fixed to.

Next, the male screw portion 15a of the adjusting member 15 is screwed into the screw hole 14a of the base member 14, and the lock nut 43 is screwed into the male screw portion to adjust the height of the adjusting member 15. Thereafter, the base member 14 and the adjustment member 15 are fixed by the lock nut 43. Further, the mounting board 21 of the clamp device 13 is provided on the upper surface of the flange portion 15c of the adjustment member 15.
And the substrate 21 is adjusted by the tightening bolts 44 to the adjusting member 1.
Tighten and fix to 5.

In the second embodiment, the fixing jig 1
In addition to a dedicated bolt 41 for attaching the clamp 2 to the table 11, a dedicated bolt 44 for attaching the clamp device 13 to the fixing jig 12 is used. In the first embodiment using the tightening bolt 16, when the height of the adjusting member 15 changes,
The height of the bolt 16 must be changed accordingly, but in the second embodiment, one type of tightening bolt 44 is used.
Can be prepared, so that the number of parts required for the work of attaching the clamp device 13 to the adjustment member 15 is reduced, and the attachment work can be easily performed. Other effects of the second embodiment include effects (1) and (1) of the above-described first embodiment.
This is the same as (2) and (3).

Next, a third embodiment of the present invention will be described with reference to FIG. In the third embodiment, the configuration of the fixing jig 12 is different from that of the first embodiment, and a screw hole 15d is formed at the center of the flange portion 15c of the adjusting member 15, and a recess 15e is formed below the screw hole 15d. Then, the tightening bolt 16 is inserted downward through the insertion hole 15b, screwed into a screw hole 11b provided in the processing table 11, and the head 16a of the bolt 16 is housed in the recess 15e, and the flange portion 15c is formed.
So that it does not protrude from the upper surface. Further, the mounting board 21 of the clamp device 13 is provided with the flange portion 15 of the adjusting member 15.
c, and the tightening bolt 44 is passed through the insertion hole 21b and screwed into the screw hole 15d, thereby
Is fixed to the fixing jig 12.

In the third embodiment, the fixing jig 1
2 is fixed to the processing table 11 by a dedicated tightening bolt 16, and the clamp device 13 is fixed to the adjusting member 15 by a special tightening bolt 44.

Also in the third embodiment, since only one kind of tightening bolt 44 is required, the number of parts necessary for the operation of attaching the clamp device 13 to the adjusting member 15 is reduced, and the operation is facilitated. be able to. Other effects of the third embodiment are the same as the effects (1), (2), and (3) of the above-described first embodiment.

Next, a fourth embodiment of the present invention will be described with reference to FIGS. In this embodiment, as shown in FIG. 7, the mounting board 21 of the clamp device 13 is brought into contact with the outer peripheral side surface of the adjusting member 15 and the bolt 44 is connected to the adjusting member 1.
The substrate 21 is fixed to the adjusting member 15 by screwing into a screw hole 15f formed in the substrate 5. And the clamp bolt 29
Thus, the vertical surface of the work W is pressed to the left, and the work W is clamped between the work W and a fixing jig 12 provided on the left of the work W (not shown). In this embodiment, as shown in FIG. 8, notch recesses 14 d and 15 g are formed in the base member 14 and the adjustment member 15, respectively, and the fastening jig 12 is made to project the tightening bolt 16 on the upper surface of the table 11. It is designed to be assembled from the side in the state.

The fourth embodiment has the same advantages (1), (2) and (3) as the first embodiment. Next, a fifth embodiment of the present invention will be described with reference to FIG.

In the fifth embodiment, the mounting board 21 of the clamp device 13 is substantially perpendicular to the clamp lever 23, and the mounting board 21 is
Are fastened to the outer peripheral surface of the flange portion 15c by bolts 44 via spacers 45. Then, the work W supported on the upper surface of the adjustment member 15 is
Is clamped on the upper surface of the adjusting member 15.

In the fifth embodiment, the same operational effects (1), (2), and (3) as in the first embodiment are obtained. Next, a sixth embodiment of the present invention will be described with reference to FIGS.

The clamp device 13 of the sixth embodiment differs from the clamp devices 13 of the first to fifth embodiments in that a support cylinder 51 is fixed to one end of a support plate 22 and a clamp is provided on the support cylinder 51. The rod 52 is supported so as to be able to reciprocate linearly. Also, the first end of the clamp rod 52 is
The connection link 53 is rotatably connected by a first connection pin 54. The base end of the second connection link 55 is rotatably connected to the support plate 22 by a second connection pin 56, and the intermediate portion is turned to the other end of the first connection link 53 by a third connection pin 57. It is movably connected. further,
The operation lever 32 is fixed to the second connection link 55 by a screw 58. Then, the operation lever 32 is
When the rotary operation is performed in the counterclockwise direction in, the clamp rod 52 is moved forward (to the left in FIG. 10), and presses the work W.

At the bottom of the base member 14, there is formed a hole 14e for fitting a columnar portion 16c formed at the lower end of the bolt 16. Then, the fixing jig 12 is prevented from moving in the horizontal direction on the upper surface of the table 11 when the work W is pressed by the clamp device 13.

The dimensions of each part are set so that the tightening bolt 16 can be inserted into the hole 21b of the extension 21a from above with the clamp rod 52 most retracted.

Also in the sixth embodiment, the mounting substrate 2
The one extension 21a is fixed to the upper surface of the adjusting member 15 by the head 16a of the tightening bolt 16, so that the work of attaching the clamp device 13 to the fixing jig 12 can be easily performed.

The embodiment of the present invention may be modified as follows. -The extension 21 of the mounting board 21 as shown in FIG.
The bolt insertion hole 21b formed in a is a vertically long hole in the front-rear direction.

In this alternative example, the position of the mounting board 21 of the clamp device 13 with respect to the fixing jig 12 in the front-rear direction can be easily adjusted. -Forming a recess 21c from the side with respect to the extension 21a as shown in FIG. In this embodiment, a recess 21d pointing rearward is formed at the inner end of the recess 21c.

In this alternative example, the operation of engaging the extension 21a with the tightening bolt 16 can be easily performed from the horizontal direction. When this alternative example is applied to the embodiment shown in FIG. 10, the engagement between the tightening bolt 16 of the clamp device 13 and the concave portion 21c is simplified.

Another example shown in FIG.
1c is cut out from the front end of the extension 21a to form a recess that is long in the front-rear direction. In this alternative example, it is possible to easily adjust the position of the mounting board 21 of the clamp device 13 with respect to the fixing jig 12 in the front-rear direction.

Another example shown in FIG.
A screw hole 21e is formed for a. Therefore, in this alternative example, the clamping device 13 can be attached to the fixing jig 12 by screwing the fastening bolt 16 into the screw hole 21e.

As shown in FIG. 13, the mounting substrate 21 and the support plate 22 are formed by laminating a pair of left and right press-formed plates. In this alternative example, the mounting board 21 and the support plate 22 can be easily manufactured from a plate material.

Although not shown, a mounting member having an inclined surface with respect to the upper surface of the fixing jig 12 is interposed, and the mounting substrate 21 of the clamp device 13 is supported on the upper surface of the mounting member in an inclined state. In this alternative example, when the work W has an inclined surface, the inclination can be stably clamped.

In the embodiment shown in FIG. 1, the present invention is embodied in a clamp device having a toggle mechanism that enables the clamp lever 23 to clamp the work W when the operation lever 32 is rotated counterclockwise. thing.

In each of the above embodiments, the manual operation section of the operation lever 32 is reduced in labor and the lever 32 is rotated by an electric motor, an actuator driven by an electromagnetic solenoid, a rod of a hydraulic or air cylinder, etc. It is configured to operate by.

The insertion holes 21b are formed at a plurality of positions in the front-back direction with respect to the extension 21a. In this case, the mounting position of the clamp device 13 in the front-rear direction can be adjusted.

Next, regarding technical ideas other than the invention described in the claims that can be understood from the above embodiments and other examples,
These effects are described below. (A) The clamping device according to claim 1, further comprising a toggle mechanism in which the mounting hole is a screw hole.

According to the clamp device provided with the toggle mechanism described in the above (a), in addition to the effect described in the first aspect,
By omitting the nut, the number of parts can be reduced. (B) In any one of claims 1, 2, 3, and (a), a base end of a clamp lever as a clamp member is rotatably connected to the support by a first connection pin. A tip end of an operation lever is rotatably connected to a middle portion of the clamp lever by a second connection pin, and one end of a connection link constituting a toggle mechanism is rotatably connected to the support by a third connection pin. The other end of the connecting link is connected to a fourth connecting pin of the operating lever with respect to an intermediate portion of the operating lever.
A pressing member that is rotatably connected by a connecting pin and presses the clamped object by the rotation of the operation lever at the tip end of the clamp lever is capable of adjusting the position of the clamp lever in the longitudinal direction, and has a pressing member. A clamp device having a toggle mechanism supported so as to be adjustable in length in a pressing direction orthogonal to the lever.

According to the clamping device provided with the toggle mechanism described in the above (b), in addition to the effects described in the first, second, and third aspects, it is possible to appropriately clamp the clamped body. it can.

(C) A base member having a screw hole penetrating downward, and a hole vertically screwed into the screw hole of the base member so as to be movable in the height direction. A cylindrical adjustment member having the same, and a tightening bolt and a nut for fixing the adjustment member and the base member to a worktable such as a working table through the holes of the adjustment member and the screw holes of the base member. 2. A work clamping apparatus comprising: a fixing jig; and a clamp device provided with a toggle mechanism according to claim 1, which is tightened and fixed to an upper surface of an adjusting member by the tightening bolts and nuts.

This work clamping device can easily clamp the work by adjusting the height of the adjusting member when the height of the work changes. (D) a base member fixed to a work table such as a processing table by bolts, an adjusting member screwed into a screw hole formed in the base member so as to be movable in a height direction thereof; 2. A clamp device having a toggle mechanism according to claim 1, further comprising a fixing jig including a tightening bolt screwed into a screw hole formed in the adjusting member, and a tightening bolt fixed to an upper surface of the adjusting member by the tightening bolt. And a work clamp device.

This work clamp device has the same effect as the work clamp device (c).

[0053]

According to the first aspect of the present invention, it is possible to easily perform an operation of attaching to a workpiece such as a working table or a fixing jig, and to reduce the number of components for attachment. .

According to the invention described in claim 2, according to claim 1
The work of attaching to the attached body, which is an effect of the described invention, can be performed more easily. According to the third aspect of the invention, in addition to the effect of the first aspect, the adjustment of the mounting position with respect to the mounted body can be easily performed.

[Brief description of the drawings]

FIG. 1 is a front sectional view showing an attached state of a clamp device according to a first embodiment of the invention.

FIG. 2 is a front sectional view showing the mounting operation of the clamp device according to the first embodiment.

FIG. 3 is a plan view showing an attached state of the clamp device of FIG. 1;

FIG. 4 is a perspective view of a fixing jig and a clamp device.

FIG. 5 is a front sectional view showing an attached state of a clamp device according to a second embodiment of the present invention.

FIG. 6 is a front sectional view showing a mounting state of a clamp device according to a third embodiment of the present invention.

FIG. 7 is a front sectional view showing an attached state of a clamp device according to a fourth embodiment of the present invention.

FIG. 8 is a partial cross-sectional view of the fourth embodiment.

FIG. 9 is a front sectional view showing a mounting state of a clamp device according to a fifth embodiment of the present invention.

FIG. 10 is a front sectional view showing a mounting state of a clamp device according to a sixth embodiment of the present invention.

FIG. 11 is a plan view of the clamp device of FIG. 10;

FIG. 12 is a partial perspective view of a mounting board showing another example of the present invention.

FIG. 13 is a perspective view showing a mounting board and a support plate showing another example of the present invention.

FIG. 14 is a perspective view showing a conventional clamping device.

FIG. 15 is a front sectional view showing a usage state of a conventional clamping device.

FIG. 16 is a front sectional view showing a fixing jig.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 11 ... Processing table, 11a ... Mounting groove, 11b ... Screw hole, 12 ... Fixing jig, 13 ... Clamping equipment, 14 ... Base member, 15 ... Adjustment member, 16 ... Tightening bolt, 17 ... Nut, 21 ... Mounting Substrate, 21a ... extended part, 21b ... bolt insertion hole, 21c ... concave part, 21d ... curved concave part, 21e ... screw hole, 22 ... support plate as support, 23 ... clamp lever, 24 ... first connecting pin, 25, 26 ... Lever piece, 2
7, 28: mounting plate, 29: clamp bolt, 30, 31
... Nut, 32 ... Operation lever, 33 ... Second connection pin, 3
4, 35 connecting link, 36 third connecting pin, 37 fourth connecting pin, 44 tightening bolt, 45 spacer, 51
... support cylinder, 52 ... clamp rod, 53 ... first connection link, 54 ... first connection pin, 55 ... second connection link, 56
... 2nd connection pin, 57 ... 3rd connection pin.

Claims (3)

[Claims] 1. A support member is connected to a mounting substrate attached to a mounting member such as a table or a fixing jig, and a clamp member for clamping a jig or a workpiece such as a work to be processed is rotated by the supporting member. Or, it is supported so as to be able to reciprocate linearly, and a toggle mechanism is connected between the support and the clamp member, and the toggle mechanism is operated by an operation lever to press the clamped body by the clamp member. In the clamp device, the mounting substrate is extended in a forward direction approaching a pressing position of the clamped member by the clamp member, and an extension of the extension is attached to the attachment with respect to a central portion of the extension, such as a bolt. A clamp device provided with a toggle mechanism, wherein a mounting hole or a mounting concave portion for fixing by means of is provided. 2. The clamp device according to claim 1, further comprising a toggle mechanism, wherein the mounting recess is formed from a side of the extension to a center thereof. 3. The clamping device according to claim 1, further comprising a toggle mechanism in which the mounting hole or the mounting recess is formed to be vertically long in the front-rear direction.