CN218874608U - A Drilling Fixture for Irregular Workpieces - Google Patents

Abstract

The utility model relates to a frock clamp technical field especially relates to a boring grab for irregular work piece, and it is including the bottom plate that is fixed in the workstation, the bottom plate is provided with riser one and riser two that are parallel to each other, riser one is provided with two locating pins, the riser is two through two litter sliding connection have the clamp plate, riser two is provided with the drive the cylinder that the clamp plate removed. The utility model discloses utilize the hole on the work piece landing leg as the location benchmark, can fix a position and fixed work piece fast accurate to improve the machining precision of work piece.

Description

A Drilling Fixture for Irregular Workpieces

technical field

The utility model relates to the technical field of fixtures, in particular to a drilling fixture for irregular workpieces.

Background technique

As shown in Figure 1, it is difficult to position and clamp a workpiece with an irregular shape on the outside when it is machined, so it is also difficult to drill holes on its side, and because it only needs to be drilled For a hole, in order to improve efficiency, workers usually use simple tooling that cannot position and compress the workpiece well, resulting in insufficient drilling accuracy.

Utility model content

The purpose of the utility model is to provide a drilling jig for irregular workpieces in view of the deficiencies of the prior art, which uses the holes on the legs of the workpiece as a positioning base point, and then uses a pressure plate to fix the workpiece.

The technical solution adopted by the utility model to solve the technical problem is: a drilling jig for irregular workpieces, including a base plate fixed on the workbench, the base plate is provided with a vertical plate 1 and a vertical plate 2 parallel to each other, The first vertical plate is provided with two positioning pins, the second vertical plate is slidably connected with a pressure plate through two sliding rods, and the second vertical plate is provided with a cylinder that drives the pressure plate to move.

Further, the bottom plate is provided with a third vertical plate, and the third vertical plate forms a “Π” shape with the first vertical plate and the second vertical plate.

Further, the length of the positioning pin is smaller than the depth of the hole of the workpiece for clamping and positioning.

Further, the two positioning pins correspond to the two holes on the workpiece for clamping and positioning, and can be clearance fit with the two holes.

Further, a top plate is provided on the top of the vertical plate one, and a positioning hole is provided on the top plate at the position of the hole to be processed in the workpiece.

The beneficial effects of the utility model are: a drilling jig for irregular workpieces, which includes a base plate fixed on the workbench, the base plate is provided with a vertical plate 1 and a vertical plate 2 parallel to each other, and the vertical plate 1 Two positioning pins are provided, the second vertical plate is slidably connected with a pressure plate through two sliding rods, and the second vertical plate is provided with a cylinder that drives the pressure plate to move. The utility model uses the holes on the supporting legs of the workpiece as a positioning reference, can quickly and accurately locate and fix the workpiece, thereby improving the machining accuracy of the workpiece.

Description of drawings

Fig. 1 is a perspective view of a workpiece to be drilled;

Fig. 2 is a perspective view of a drilling jig for irregular workpieces;

Fig. 3 is a schematic perspective view of the three-dimensional structure when the fixture clamps the workpiece.

Explanation of reference signs:

1——bottom plate, 2—— vertical plate 1, 3—— vertical plate 2, 4——locating pin, 5——sliding rod, 6——pressure plate, 7——cylinder, 8—— vertical plate 3, 9—— Top plate, 91——locating hole.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, and the scope of implementation of the utility model is not limited thereto.

As shown in Figures 2 and 3, a drilling jig for irregular workpieces in this embodiment includes a base plate 1 fixed on a workbench, and the base plate 1 is provided with a vertical plate 1 and a vertical plate 2 parallel to each other. 3. The vertical plate 1 is provided with two positioning pins 4, the vertical plate 2 3 is slidably connected with a pressure plate 6 through two sliding rods 5, and the vertical plate 2 3 is provided with a cylinder 7 that drives the pressure plate 6 to move .

This embodiment is used for positioning and clamping the workpiece when the side of the workpiece shown in Figure 1 is drilled. The pressure plate 6 presses the workpiece to position and clamp the workpiece; then drill a hole on the top of the workpiece, because a rocker drill is usually used for drilling, in order to improve positioning efficiency and accuracy, the top of the vertical plate-2 is provided with a top plate 9. The top plate 9 is provided with a positioning hole 91 at the position of the workpiece hole to be processed, and the drill bit can pass through the positioning hole 91 to process the workpiece during drilling.

In addition, in order to improve the rigidity of the first vertical plate 2 and the second vertical plate 3, and prevent the deformation from reducing the precision, the bottom plate 1 is provided with a third vertical plate 8, and the third vertical plate 8 is connected to the first vertical plate 2, Riser two 3 constitute " Π " type.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present utility model, and for the convenience of describing the technical solution, the orientations such as front, rear, left, right, upper, middle and lower are based on the drawings Setting, rather than limiting the scope of protection of the utility model, although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should understand that the technical solution of the utility model can be modified or equivalently replaced, Without departing from the essence and scope of the technical solution of the utility model.

Claims (5)

1. A boring grab for irregular work piece which characterized in that: the vertical plate I is provided with two positioning pins, the vertical plate II is connected with a pressing plate through two sliding rods in a sliding mode, and the vertical plate II is provided with a cylinder for driving the pressing plate to move.

2. A drill jig for irregular workpieces according to claim 1, characterized in that: the base plate is provided with a third vertical plate, and the third vertical plate, the first vertical plate and the second vertical plate form an n-shaped structure.

3. A drill jig for irregular workpieces as set forth in claim 1 wherein: the length of the positioning pin is smaller than the depth of a hole for clamping and positioning the workpiece.

4. A drill jig for irregular workpieces as set forth in claim 1 wherein: the two positioning pins correspond to two holes for clamping and positioning on the workpiece and can be in clearance fit with the two holes.

5. A drill jig for irregular workpieces as set forth in claim 1 wherein: the top of the first vertical plate is provided with a top plate, and the top plate is provided with a positioning hole at the position of a hole to be machined in a workpiece.

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