JPH0243630Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a jig device for fixing workpieces that can be suitably used for drilling, etc. It positions and fixes many workpieces simultaneously on a relatively small base. It has been made possible.

The details will be explained below with reference to the drawings showing the embodiment. A plate-shaped base 1 has a workpiece fixing liner 2 fixed to its upper surface by screwing or the like, and a plurality of liners are arranged on the upper surface of the liner 2 in the lateral direction. A workpiece 4 is placed on each receiving surface 3, 3, and a vertical stopper 5 is provided on the front edge of each receiving surface 3.
A block-shaped horizontal stopper 6 having one side as a locking surface 6' is fixed to each side edge. The vertical stopper 5 is screwed 7 to the front of the liner 2 and the base 1 (Fig. 5), and the horizontal stopper 6 is provided between the receiving surfaces 3, 3, . . . of the liner 2 for receiving the workpiece. The liner 2 is fitted into the receiving groove 8.
There are 9 screws attached. In addition, in the case shown in the figure, 5
Five sets of stoppers are provided so that the workpieces 4, 4... can be fixed, but they can be increased or decreased depending on the number of workpieces. Stotuber 6a
are formed into smaller pieces than others.

The base 1 is fixed to a predetermined position of a drilling machine, milling machine, or other machine tool to be used through holes 10' of positioning adjustment pieces 10, 10, etc. Pressing pieces 11 and 12 are provided on the upper surface of the base 1 so as to be movable in opposition to the respective stoppers 5 and 6 so as to press the workpiece 4 against the respective stoppers 5 and 6, respectively. Further, the base 1 has a moving block 13 extending in the horizontal direction, and a vertical pressing piece 11 facing the vertical stopper 5 is attached to the moving block 13, and the vertical pressing piece 11 is moved along the moving direction of the pressing piece 11. As shown in FIG. 3, the block 13 that moves in the front and back direction has stepped portions 14 provided at both ends between a guide piece 15 fixed to the base 1 and a presser plate 16 screwed thereto. It is slidably fitted and supported.

In order to move the moving block 13, a toggle joint mechanism as described below is employed. That is, as shown in FIGS. 1 and 2, the shaft 1 is fixed to the base 1 and is mounted on left and right bearings 18, 18 whose rear ends are supported by a stopper 17 screwed to the base 1.
9, and a clamp lever 20 is attached to the right end of the shaft 19 with a fixing piece 21 in an upwardly facing manner, and link plates 22, 22 are attached to the inner part of the bearing 18 on the shaft 19 as a clamp lever. It sticks in almost the same direction. Therefore, each of the left and right link plates 22, 22
Attachment pieces 29 are provided with links 24, 24 via pins 23 at the tips thereof so as to sandwich the link plate 22, and the tips of the links 24, 24 are screwed 27, 28 to the moving block 13 via pins 26. is connected to.

Therefore, when the clamp lever 20 is pushed down, the moving block 13 moves in the direction approaching the workpiece 4 via the shaft 19, the link plate 22, and the link 24, and when the clamp lever 20 is moved upward, the moving block 13 moves toward the workpiece 4. Block 13 moves away from workpiece 4 (FIG. 2). In the figure, 25 is a spacer provided between the links 24, 24.

Vertical pressing piece 1 attached to the above moving block 13
1 has a male thread 30 formed on its outer peripheral surface and is screwed onto the moving block 13, as shown in FIG.
A head push pin 33 is installed inside, and a spring 34 that presses the rear end of the pin 33 is supported by a spring holding rod 35, and the holding stick 35 can be adjusted. The strength of the spring can be adjusted. At the tip of the pressing piece 11, there is a pressing pad 3 having elasticity such as urethane rubber.
6 is provided, and the head push pin 3 is
The tip of the presser pad 36 is slightly protruded forward from the center hole of the presser pad 36.

The other horizontal pressing piece 12 is fitted into a horizontal hole 37 provided on the opposite side of the locking surface 6' of the horizontal stopper 6, as shown in FIGS. 4 and 5, and has an elastic material such as urethane rubber at the tip. There is a presser foot pad 38 that has a
The tip of the side push pin 39 slightly protrudes from the hole in the center of the presser pad 38, and the side push pin 39 is attached to the spring 41 within the horizontal pressing piece 12.
The shoulder portion is locked by the locking pin 40.

The moving block 13 and the horizontal pressing piece 12 are connected by a cam device so that when the moving block 13 moves, the horizontal pressing piece 12 moves in conjunction with the block. This cam device has a pressure post 42 and an operating rod 43 screwed to the moving block 13, as shown in FIGS. 4 and 5. The pressure post 42 has a male thread 44 on its circumferential surface, and the operating rod 43 is secured by loosening a lock nut 45.
The amount of protrusion in the direction can be adjusted, and the operating rod 4
It is movably connected by a flange portion 44' which is secured to the concave portion at the tip of the third portion by a pin 46. The operating rod 43 is slidably fitted into the vertical hole 47 of the horizontal stopper 6, and has an inclined guide surface 49 on the side surface of the intermediate portion 48 formed in the shape of a flat plate, and the guide surface on the upper surface. A guide groove 50 is provided approximately parallel to the guide groove 49. On the other hand, the horizontal pressing piece 12 has bifurcated wing pieces 51, 51 at its inner end, and an inclined guide surface 52 on the inner surface of the base of the wing pieces, which contacts the inclined guide surface 49 of the intermediate part. A pin 53 is provided inwardly protruding from one of the wing pieces 51, and between the upper and lower wing rods 51, 51, the intermediate portion 4 of the operating rod 43 is provided.
8 are fitted, the inclined guide surfaces 49 and 52 of both are engaged, and the tip of the pin 53 is engaged with the guide groove 50 on the upper surface of the intermediate portion 48.

Therefore, when the moving block 13 moves in the direction of the workpiece 4, the lateral pressing piece 12 moves laterally in the direction of the workpiece 4 due to the cam action of the inclined guide surfaces 49, 52, and the moving block 13 moves away from the workpiece 4. When moving away, the horizontal pressing piece 12 moves away from the workpiece 4 to the side due to the engagement of the pin 53 and the guide groove 50.

With the structure described above, when the workpiece 4 is placed on the receiving surface 3 surrounded by the vertical stopper 5 and the horizontal stopper 6 and the clamp lever 20 is pushed down, as the moving block 13 moves, The pressing pieces 11 and 12 are applied to the workpiece 4 from two directions.
, and press the workpiece 4 against the stoppers 5 and 6 to position and fix it. After machining the workpiece, if the clamp lever 20 is moved upward, the workpiece is released by the opposite action, so that it can be replaced with a new workpiece and successively machined.

When the pressing pieces 11 and 12 fix the workpiece 4, first, the head push pin 33 and the side push pin 39 lightly abut the rear and side surfaces of the workpiece 4, respectively, and hold them in their normal positions. After being moved and positioned by coming into contact with the vertical stopper 5 and the horizontal stopper 6, respectively, they are strongly pressed and fixed with presser pads 36 and 38, respectively.

A locking mechanism for holding the clamp lever 20 in a depressed position is shown in FIGS. 6-9. In the figure, the clamp lever 20 has a lever lock piece 54 fixed to its tip. When the clamp lever is pressed down, the locking protrusion 57 at the tip of the lever lock piece 54 fits between the guide piece 55 of the base 1 and the lock pin block 56.
A locking hole 58 is provided in the locking convex portion 57 in the lateral direction, and a lock plunger 59 slidably fitted into the lock pin block 56 is inserted into the locking hole 58 by a spring 60. The clamp lever 20 is locked with the workpiece fixed in place by being engaged, but in order to unlock the clamp lever 20, the unlock handle 61 directly connected to the lock plunger 59 is pressed. When moved to the left in FIG. 6, the lock plunger 59 is retracted from the locking hole 58 of the lever lock piece 54, and the clamp lever 2
0 is released, and the step 63' of the hook 63 is locked in the groove 62 provided at the base of the plunger 59, preventing it from protruding again.
The hook 63 is approximately L-shaped and is constantly biased upward by a spring 65 provided between it and a spring cover 64 having an L-shaped cross section. When engaged with the groove 62 of the lock plunger 59, the L
The tip end 66 of the vertical plate portion of the letter-shaped hook 63 projects slightly from the upper surface of the lock pin block 56 (FIGS. 7 and 9). When the clamp lever 20 is pressed down, the tip end 66 of the hook 63 engages the lower surface 67 of the lever lock piece 54.
As a result, the groove 62 of the lock plunger 59 and the step 63' of the hook 63 are disengaged, and the lock plunger 59 protrudes under the action of the spring 60, and the lock piece 54 to automatically lock the clamp lever 20 (FIGS. 6 and 8).
Further, as described above, when the unlock handle 61 is moved to the left and the plunger 59 is pulled into the lock pin block 56, the hook 63 is inserted into the groove 62.
When the stepped portion 63' is fitted, the hook 63 is raised by the action of the spring 65, pushing up the lower surface of the lever lock piece 54 a little, and the clamp lever 20 is unlocked, so that the clamp lever 20
If you raise , the fixation of the workpiece 4 will also be released.

As mentioned above, the clamp lever 20 is used to fix the workpiece 4, but when locked to the lock plunger 59, it can be used as one handle when transporting this jig device. Note that a fixed handle 68 is provided on the other side of the base 1. (Figure 1).

Since the present invention is constructed as described above, by placing the workpiece 4 on each receiving surface 3 and moving the moving block 13 forward, it is possible to reliably position and fix many workpieces at once, which is convenient. In addition, as mentioned above, since the block-shaped horizontal stopper 6 is provided with the horizontal pressing piece 12 for the adjacent horizontal stopper 6 and its direction changing cam device, the device can be configured extremely compactly and the installation space can be saved. This has practical effects such as being able to fix many workpieces on the base 1 which has a relatively small area.

[Brief explanation of the drawing]

The drawing shows one embodiment of the jig device of the present invention, and the first
The figure is a plan view, FIG. 2 is a side view showing a part of the support section, FIG. 3 is a partial perspective view of the support part of the moving block, and the following is an enlarged view, and FIG. FIG. 5 is a partially vertical plan view of the same part, and FIGS. 6 and 7 are partially longitudinal front views of the locking mechanism of the clamp lever, with FIG. 6 showing the locked state and FIG. 7 showing the open state, respectively. Further, FIGS. 8 and 9 are partial longitudinal sectional side views corresponding to FIGS. 6 and 7, respectively. DESCRIPTION OF SYMBOLS 1... Base, 4... Workpiece, 5, 6... Stopper, 11, 12... Pressing piece, 13... Moving block, 20... Clamp lever.

Claims (1)

[Scope of utility model registration request] A plurality of workpiece receiving surfaces 3, 3 are placed horizontally on the base 1.
... are arranged in a row, and a vertical stopper 5 is fixed to the front edge of the receiving surface 3, and a block-shaped horizontal stopper 6 with one side serving as a locking surface 6' is fixed to the side edge. A moving block 13 is provided at the rear of the surface 3 so as to be movable back and forth, and a vertical pressing piece 11 is provided on the moving block 13 at a position corresponding to the vertical stopper 5, and the locking surface 6' of the horizontal stopper 6 is provided.
On the opposite side, a horizontal pressing piece 12 is fitted so as to face the locking surface 6' of the adjacent horizontal stopper 6 so as to be freely removable and removable.
an operating rod 43 which is fitted with the lateral pressing piece 12 in the lateral stopper 6 so as to be slidable back and forth and engaged with the lateral pressing piece 12 with inclined guide surfaces 49, 52;
By moving the moving block 13 forward, the workpiece placed on each of the receiving surfaces 3 is connected to the vertical pressing piece 11, the vertical stopper 5, and the horizontal pressing piece 12. A jig device for fixing a workpiece that can be positioned and fixed between horizontal stoppers 6.