CN203566363U - Clamp for boring column body - Google Patents

Abstract

The utility model relates to a clamp for boring a column body. The clamp comprises a positioning plate, wherein the positioning plate is fixedly connected with a drill mold holder, the drill mold holder is provided with a drill mold and a positioning hole, the axis of the positioning hole is vertical to that of the drill mold, two sides of the drill mold holder on the positioning plate are respectively provided with a threaded hole, a screw penetrates through a through hole in a support to be installed into the threaded holes, two free ends of the support are bent, each bent position is arranged on the bottom of the positioning plate, the end parts of the screw push against the bent positions of the support, a crossbar of the support is arranged above the positioning hole of the drill mold holder. The clamp is simple in structure, flexible and convenient to use, simple in clamping and high in machining precision.

Description

Cylinder drilling jig

Technical field

The utility model relates to technical field of tooling clamps, relates in particular to the positioning fixture for workpiece being carried out to Drilling operation.

Background technology

Workpiece 6 as shown in Figure 1, its primary structure is cylinder, now need on its cylinder, carry out Drilling operation, use plain clamp to acquire a certain degree of difficulty to its location, especially to guarantee machining accuracy, must use special frock just can meet the demands, and frock must be easy to use, clamping efficiency is high, can guarantee again its machining accuracy simultaneously.

Utility model content

The utility model, for above-mentioned shortcoming of the prior art, provides a kind of cylinder drilling jig, and it is simple in structure, flexible and convenient to use, and clamping efficiency is high, and machining accuracy is high.

The technical scheme that the utility model adopts is as follows:

Cylinder drilling jig, comprise location-plate, on location-plate, be fixed with jig seat, in jig seat, with drill jig and locating hole, the axis of described locating hole and drill jig is mutually vertical, on location-plate, be positioned at jig seat both sides and be threaded hole, screw rod is contained in described screwed hole through the through hole on support, and two free ends of support are with bending, and described bending is positioned at location-plate bottom, the end of screw rod withstands on the described bending part of support, and the cross bar of support is positioned at the described locating hole top in jig seat.

The utility model has the advantage of: according to the concrete structure of workpiece, by jig seat is set on location-plate, workpiece is positioned and Drilling operation, the support of free end band bending is installed simultaneously, and by screw acting in the bending part of support, cross bar on support is compressed workpiece, simple in structure, flexible and convenient to use, clamping efficiency is high, and machining accuracy is high.

Accompanying drawing explanation

Fig. 1 is use state diagram of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described.

As shown in Figure 1, the utility model comprises location-plate 1, on location-plate 1, be fixed with jig seat 2, in jig seat 2 with drill jig 3 and locating hole, described locating hole is used workpiece 6 is positioned, the axis of described locating hole and drill jig 3 is mutually vertical, can guarantee machining accuracy, on location-plate 1, be positioned at jig seat 2 both sides and be threaded hole, screw rod 5 is contained in described screwed hole through the through hole on support 4, two free ends of support 4 are with bending, described bending is positioned at location-plate 1 bottom, the end of screw rod 5 withstands on the described bending part of support 4, by rotating screw bolt 5, the described bending part that makes screw rod 5 prop up support 4 also applies active force with support 4, the cross bar of support 4 is positioned at the described locating hole top in jig seat 2, along with the rotation of screw rod 5, the described cross bar place of support 4 withstands on and on the end face of workpiece 6, workpiece 6 is pressed in the above locating hole of jig seat 2, finally by drill jig 3, the cylinder of workpiece 6 is carried out to Drilling operation,

Using method of the present utility model is as follows:

The first step, location-plate 1 is fixed on operating desk;

Second step, packs workpiece 6 in the described locating hole in jig seat 2 into;

The 3rd step, regulates two screw rods 5 on support 4, and the described cross bar on support 4 is pressed on the end face of workpiece 6;

The 4th step, carries out Drilling operation by drill jig 3 to the cylinder of workpiece 6.

More than describing is to explanation of the present utility model, is not the restriction to utility model, and the utility model limited range, referring to claim, within protection domain of the present utility model, can be done any type of modification.

Claims (1)

1. cylinder drilling jig, comprise location-plate (1), it is characterized in that: on location-plate (1), be fixed with jig seat (2), jig seat (2) is upper with drill jig (3) and locating hole, described locating hole is mutually vertical with the axis of drill jig (3), on location-plate (1), be positioned at jig seat (2) both sides and be threaded hole, screw rod (5) is contained in described screwed hole through the through hole on support (4), two free ends of support (4) are with bending, described bending is positioned at location-plate (1) bottom, the end of screw rod (5) withstands on the described bending part of support (4), the cross bar of support (4) is positioned at the described locating hole top in jig seat (2).

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