CN203565926U

CN203565926U - Positioning device for use in drilling of arc-shaped plate

Info

Publication number: CN203565926U
Application number: CN201320772654.7U
Authority: CN
Inventors: 范罗荣
Original assignee: Wuxi Hanghu Technology Co Ltd
Current assignee: Wuxi Hanghu Technology Co Ltd
Priority date: 2013-11-28
Filing date: 2013-11-28
Publication date: 2014-04-30
Anticipated expiration: 2023-11-28

Abstract

The utility model relates to a positioning device for use in drilling of an arc-shaped plate. The positioning device comprises an upper die and a lower die, wherein the front and back faces of the upper die are cambered surfaces; four drill holes are uniformly distributed in the upper die; the location degrees of the four drill holes are the same as the location degrees of four holes in a workpiece; the upper die is provided with a screw hole and a positioning hole; a U-shaped positioning groove is formed on the lower die, the top surfaces of both sides of the positioning grooves are arc-shaped, the radians of the top surfaces are the same as the radian of the lower cambered surface of the workpiece, the top surfaces are provided with positioning pins and blanking grooves, and the bottom surfaces of the positioning grooves are provided with threaded holes. The positioning device has the advantages of simple structure, flexibility and convenience in use, easiness in clamping and high machining accuracy.

Description

Arc drilling-hole positioning device

Technical field

The utility model relates to technical field of tooling clamps, relates in particular to the positioner that arc is carried out to Drilling operation.

Background technology

Workpiece 1 as described in Figure 1, it is that arc is tabular, now need to portal 11 to processing on it, because two face is arcwall face, use common positioning tool also can reach accurate location, but the general more complicated of frock, clamping is loaded down with trivial details, and machining accuracy is also difficult to guarantee.

Utility model content

The utility model, for above-mentioned shortcoming of the prior art, provides a kind of arc drilling-hole positioning device, and it is simple in structure, flexible and convenient to use, and machining accuracy is high.

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

Arc drilling-hole positioning device, comprises upper die and lower die, and the tow sides of patrix are cambered surface, is with uniform four borings on patrix, and the position degree of four borings is identical with the position degree in four holes on workpiece, on patrix with screw hole and locating hole; On counterdie, with U-shaped locating slot, the both sides end face of locating slot is arc, and the radian of end face is identical with the radian of workpiece lower camber side, and on end face, with alignment pin and charging conduit, the bottom surface of locating slot is threaded hole.

The utility model has the advantage of: be divided into upper die and lower die, and the bottom surface radian of patrix is identical with the radian of workpiece surface, can make both fit tightly, the boring identical with the required machining hole position degree of workpiece is set on patrix, alignment pin is set on counterdie patrix is accurately located, locating slot is also set simultaneously, the top of the two side of locating slot arranges charging conduit and facilitates the waste material on workpiece to discharge, simple in structure, flexible and convenient to use, machining accuracy and efficiency easily guarantee.

Accompanying drawing explanation

Fig. 1 is the structural representation of workpiece.

Fig. 2 is the structural representation of the utility model patrix.

Fig. 3 is the structural representation of the utility model counterdie.

Fig. 4 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 Figures 1 to 4, the utility model comprises patrix 2, counterdie 3, the tow sides of patrix 2 are cambered surface, uniform four borings 22 on patrix 2, the position degree of four borings 22 is identical with the position degree in four holes on workpiece, guarantee that hole 11 position degrees that process on workpiece 1 meet the requirements, on patrix 2 with screw hole 23 and locating hole 21, on counterdie 3 with U-shaped locating slot 31, counterdie 3 can be fixed on operating desk, the both sides end face 32 of locating slot 31 is arc, the radian of end face 32 is identical with the radian of workpiece lower camber side, can guarantee that end face 32 and workpiece 1 lower surface fit tightly, make the stressed uniform balance of workpiece 1, on end face 32 with alignment pin 33 and charging conduit 34, alignment pin 33 coordinates with the locating hole 21 of patrix 2, charging conduit 34 can add the waste material in man-hour and discharge in time, and can avoid cutter to contact with counterdie 3, the bottom surface of locating slot 31 is threaded hole, use screw 4 to be connected in the screwed hole on U-shaped locating slot 31 through the screw hole 23 of patrix 2, patrix 2 and counterdie 3 is fastening,

Using method of the present utility model is as follows:

The first step, is first fixed to counterdie 3 on operating desk;

Second step, is placed in workpiece 1 in the cambered surface 32 of counterdie 3;

The 3rd step, has good positioning patrix 2 and counterdie 3, and uses screw 4 fixing, and workpiece 1 is clamped between patrix 2 and counterdie 3;

The 4th step, is processed and portals 11 on workpiece 1 by the boring 22 of patrix 2.

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. arc drilling-hole positioning device, comprise patrix (2), counterdie (3), it is characterized in that: the tow sides of patrix (2) are cambered surface, on patrix (2), be with uniform four borings (22), the position degree of four borings (22) is identical with the position degree in four holes on workpiece, and patrix (2) is upper with screw hole (23) and locating hole (21); Counterdie (3) is upper with U-shaped locating slot (31), the both sides end face (32) of locating slot (31) is arc, the radian of end face (32) is identical with the radian of workpiece lower camber side, and end face (32) is upper with alignment pin (33) and charging conduit (34), and the bottom surface of locating slot (31) is threaded hole.