CN218591896U - Device for assisting in machining small holes of fasteners - Google Patents

Abstract

The utility model relates to a device for assisting in processing small holes of fasteners, which comprises a drill jig body, wherein one end of the drill jig body is provided with an angular fixed limiting groove for workpieces, and a transverse through hole is arranged at a distance L from the bottom of the angular fixed limiting groove; the workpiece locking surface is placed into the fixed limiting groove towards the angular direction; the angular positioning piece is arranged in the through hole and is matched with the linear groove of the workpiece locking surface for angular positioning; and the workpiece is fixed with the drill jig body through the pressing mechanism. The tool is simple in structure, capable of achieving rapid drilling of the workpiece, the workpiece is directly placed into the angular fixed limiting groove, the angular positioning part is used for positioning the angular, the other side of the workpiece is pressed by the pressing mechanism, assembly is simple and convenient, and the positioning mode is simple and accurate.

Description

Device for assisting in machining small holes of fasteners

Technical Field

The utility model relates to a bolt hexagonal face runs through aperture processing technology field, and more specifically the device that relates to a supplementary processing of fastener aperture that says so.

Background

The locking screw is one of the fasteners, the main function of the locking screw is locking, the size of the locking screw is small, and a through hole with the diameter of 1.5 needs to be processed at a fixed position in six aspects for penetrating a locking wire to realize the locking function. And the through hole and the straight groove of the screw have angular requirements. At present, the common machining method is used for marking, determining the position and then drilling, the efficiency is low, and the angular requirement is not easy to guarantee.

Therefore, it is an urgent need to solve the problem of the art to provide a tool capable of positioning the angular and end face distances and rapidly replacing the workpiece.

SUMMERY OF THE UTILITY MODEL

Therefore, an object of the utility model is to provide a device of supplementary processing of fastener aperture, when solving fastener processing aperture, angular positioning is inaccurate, problem that machining efficiency is low.

The utility model provides a device of supplementary processing of fastener aperture, include:

the device comprises a drilling die body, a workpiece and a workpiece clamping device, wherein one end of the drilling die body is provided with an angular fixed limiting groove of the workpiece, and a transverse through hole is arranged at a distance L from the bottom of the angular fixed limiting groove; the workpiece locking surface is placed towards the angular fixed limiting groove;

the angular positioning piece is arranged in the through hole and is matched with the linear groove of the workpiece locking surface for angular positioning; and

and the workpiece is fixed with the drill die body through the pressing mechanism.

Furthermore, the angular fixing limiting groove is a hexagonal groove matched with the workpiece in six aspects.

Furthermore, the angular positioning piece is a limiting pin.

Furthermore, the angular positioning piece is pressed into the through hole through external force.

Further, the pressing mechanism includes:

at least two support columns are fixed at one end of the drill jig body;

the tail end of the workpiece is abutted to the pressing plate, and the pressing plate is fixed through at least two supporting columns.

Further, the support column adopts a screw column.

Furthermore, a screw hole is formed in the position, corresponding to the tail end of the workpiece, of the pressing plate, and a locking screw which abuts against the tail end of the workpiece is connected in the screw hole.

Furthermore, the drilling die body is far away from the workpiece side, and an observation hole is formed in the drilling die body and is perpendicular to the through hole.

According to the technical scheme, compared with the prior art, the utility model discloses a device for assisting in machining small holes of fasteners, the tool has a simple structure, can realize rapid drilling of workpieces, can directly place the workpieces into an angular fixed limiting groove, can position the angular direction through an angular positioning piece, and can press the other side of the workpiece by an over-pressing mechanism, so that the assembly is simple and convenient, and the positioning mode is simple and accurate;

the observation hole is formed in the other side of the drill jig body, so that the positions of the linear groove and the limiting pin of the workpiece can be observed during assembly, the problem that the locking screw is difficult to disassemble after being compressed can be prevented, and the workpiece can be ejected out through the observation hole.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a device for assisting in processing a small hole of a fastener provided by the present invention;

FIG. 2 is a front view of FIG. 1 without the platen and workpiece shown;

figure 3 the drawing is a cross-sectional view of the drill body.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Because the locking hole on the fastener is usually machined by marking to determine the position and then drilling, the efficiency is low and the angular requirement is not easy to guarantee. Therefore, a tool capable of positioning angular and end face distances and rapidly replacing workpieces needs to be designed. In view of this the utility model discloses a device of supplementary processing of fastener aperture is disclosed to the embodiment, refer to fig. 1-3, include: the device comprises a drill die body 1, wherein one end of the drill die body 1 is provided with an angular fixed limiting groove 11 of a workpiece G, and a transverse through hole 12 is arranged at a distance L from the bottom of the angular fixed limiting groove 11; the locking surface of the workpiece G faces the angular fixed limiting groove 11 and is placed in; the angular positioning piece 2 is arranged in the through hole 12 and is matched with the straight groove of the locking surface of the workpiece G for angular positioning; and the workpiece G is fixed with the drill die body 1 through the pressing mechanism.

The tool is simple in structure, rapid drilling of a workpiece can be realized, the workpiece is directly placed into the angular fixed limiting groove, the angular position is determined through the angular positioning piece, the other side of the workpiece is pressed by the pressing mechanism, the assembly is simple and convenient, and the positioning mode is simple and accurate; and determining the distance L from the bottom of the angular fixed limiting groove 11 according to the actual situation.

In the embodiment of the present invention, the angular fixing limiting groove 11 is a hexagonal groove adapted to the hexagonal surface of the workpiece G. The angular positioning element 2 may be selected as a stop pin.

The angular positioning piece 2 is pressed into the through hole 12 through external force.

In a specific embodiment of the present invention, the pressing mechanism includes: the number of the pillars 3 is at least two, and the pillars 3 are fixed at one end of the drill die body 1; and the tail end of the workpiece G is abutted against the pressing plate 4, and the pressing plate 4 is fixed through at least two supporting columns 3.

The support 3 can be a screw column.

Advantageously, in order to ensure a fixed torque and a reliable hole machining, the pressing plate 4 is provided with a screw hole corresponding to the end of the workpiece G, and a locking screw 5 abutting against the end of the workpiece G is connected in the screw hole.

More advantageously, the drill die body 1 is provided with an observation hole 13 on the side away from the workpiece G and perpendicular to the through hole 12. On the one hand, the positions of the linear groove and the limiting pin of the workpiece are observed during convenient assembly, on the other hand, the problem that the locking screw is difficult to disassemble after being compressed can be prevented, and the workpiece can be ejected out through the observation hole.

In application, the drill jig body processes the inner hexagonal groove according to the size of the hexagonal head of a workpiece, the workpiece is convenient to fix the angular direction, the rear side of the hexagonal groove is processed into a through hole serving as an observation hole, the direction of the limit pin is convenient to detach the workpiece and assemble, and the drill jig body processes the position 3 +/-0.04 mm away from the bottom end L of the hexagonal groove according to the processing requirements of the workpiece

For guiding the drill bit to drill. Pressing a limiting pin into the drilling die body, then loading the hexagonal head of the workpiece into the hexagonal groove of the drilling die body, and matching the linear groove of the workpiece with the limiting pin so as to realize angular positioning; the pressing plate is connected with the supporting column through a screw, a threaded through hole is machined in the middle of the pressing plate, and the workpiece is tightly pushed through the cooperation of the locking screw, so that the rapid drilling is realized. Above-mentioned scheme can realize retaining member location angle and apart from terminal surface distance, simple structure, convenient to use, satisfies the operation requirement.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (8)

1. A device for assisting in processing small holes in fasteners is characterized by comprising:

the device comprises a drilling die body (1), wherein one end of the drilling die body (1) is provided with an angular fixed limiting groove (11) of a workpiece (G), and a transverse through hole (12) is formed at a distance L from the bottom of the angular fixed limiting groove (11); the locking surface of the workpiece (G) is placed towards the angular fixed limiting groove (11);

the angular positioning piece (2) is arranged in the through hole (12) and is matched with the straight groove of the locking surface of the workpiece (G) for angular positioning; and

and the workpiece (G) is fixed with the drill die body (1) through the pressing mechanism.

2. The device for assisting in machining of the small hole of the fastener is characterized in that the angular fixing limiting groove (11) is a hexagonal groove matched with the hexagonal surface of the workpiece (G).

3. The device for assisting in machining of the small holes of the fasteners as claimed in claim 1, wherein the angular positioning piece (2) is a limiting pin.

4. The device for assisting in processing the small hole of the fastener is characterized in that the angular positioning piece (2) is pressed into the through hole (12) by external force.

5. The device of any one of claims 1-4, wherein the hold-down mechanism comprises:

the number of the pillars (3) is at least two, and the pillars (3) are fixed at one end of the drill die body (1);

the tail end of the workpiece (G) is abutted to the pressing plate (4), and the pressing plate (4) is fixed through at least two supporting columns (3).

6. A fastener hole machining aid as claimed in claim 5 wherein said post (3) is a screw stud.

7. The device for assisting in machining the small hole of the fastener is characterized in that a screw hole is formed in the position, corresponding to the tail end of the workpiece (G), of the pressing plate (4), and a locking screw (5) which abuts against the tail end of the workpiece (G) is connected into the screw hole.

8. The device for assisting in machining the small hole of the fastener is characterized in that the drill die body (1) is provided with an observation hole (13) on the side far away from the workpiece (G) and perpendicular to the through hole (12).

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