CN220547882U - Drilling device and multifunctional tapping machine - Google Patents

Abstract

The utility model relates to the related technical field of tapping machines, in particular to a drilling device and a multifunctional tapping machine, wherein the drilling device comprises a drilling machine body and a drill bit arranged on the drilling machine body, the drill bit comprises a tool bit, a tool shank and a set screw, the rear side end of the tool bit is integrally formed with a connecting seat, the upper end surface of the connecting seat is provided with a butt joint groove, the bottom of the butt joint groove is provided with a threaded hole, the lower side end of the tool shank is integrally formed with the butt joint seat, the upper side end of the tool shank is provided with a mounting groove, the bottom of the mounting groove is provided with a mounting hole, the mounting hole penetrates through the butt joint seat, and the set screw penetrates through the mounting hole and is screwed into the threaded hole; through setting up the drill bit that comprises tool bit, handle of a knife and set screw combination to carry out detachable through set screw to tool bit, handle of a knife and connect, thereby let the vulnerable part tool bit of drill bit can carry out the individual change, thereby effectively reduce the use cost of drill bit, and can reduce the use of drill bit raw materials, more environmental protection.

Description

Drilling device and multifunctional tapping machine

Technical Field

The utility model relates to the related technical field of tapping machines, in particular to a drilling device and a multifunctional tapping machine.

Background

Tapping, namely screwing a screw tap into a bottom hole to be drilled by using a certain torque so as to process an internal thread;

before tapping, the tapping machine needs to be drilled, the drill bits of the traditional drilling device are integrally arranged, the drill bits are usually worn seriously by the cutter head part, the cutter handle part is not damaged, and when the cutter head is damaged, the drilling drill bits are integrally replaced, so that the replacement cost is high.

Disclosure of Invention

The utility model aims to provide a drilling device and a multifunctional tapping machine, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a drilling apparatus comprising a drill body and a drill bit mounted on the drill body, the drill bit comprising:

the rear side end of the cutter head is integrally provided with a connecting seat, the upper end surface of the connecting seat is provided with a butt joint groove, and the bottom of the butt joint groove is provided with a threaded hole;

the lower side end of the knife handle is integrally formed with a butt joint seat, the upper side end of the knife handle is provided with a mounting groove, the bottom of the mounting groove is provided with a mounting hole, and the mounting hole penetrates through the butt joint seat;

and the set screw penetrates through the mounting hole and is screwed in the threaded hole.

Preferably, the butt joint groove is of a notch structure with a regular hexagon cross section, the size of the butt joint seat is matched with that of the butt joint groove, and the butt joint seat is inserted into the butt joint groove.

Preferably, a positioning piece is arranged in the mounting hole, the positioning piece is matched with the mounting groove in size, the positioning piece is inserted into the mounting groove, and the lower side end of the positioning piece is propped against the nut of the positioning screw.

Preferably, the side wall of the mounting groove is provided with a first-stage positioning hole, the positioning piece is provided with a second-stage positioning hole, the second-stage positioning hole is arranged corresponding to the first-stage positioning hole, and the positioning rod is inserted into the first-stage positioning hole and the second-stage positioning hole.

Preferably, the upper end of the positioning piece is embedded with a magnet block, and the positioning piece and the positioning rod are both cast of ferromagnetic materials.

A multifunctional tapping machine having the above drilling device.

Compared with the prior art, the utility model has the beneficial effects that:

1. the drill bit formed by combining the cutter bit, the cutter handle and the set screw is arranged, so that the cutter bit and the cutter handle are detachably connected through the set screw, and the cutter bit of a vulnerable part of the drill bit can be replaced independently, thereby effectively reducing the use cost of the drill bit, reducing the use of raw materials of the drill bit and protecting the environment;

2. and the butt joint groove is formed in the connecting seat, the butt joint seat is arranged on the cutter handle, and the cross sections of the butt joint groove and the butt joint seat are all set to be regular hexagons, so that the radial stress of the set screw is effectively reduced, and the integral strength of the structure is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a half cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the structure of the tool handle of the present utility model;

FIG. 4 is a half cross-sectional view of a tool shank according to the present utility model;

FIG. 5 is a schematic view of a tool bit according to the present utility model;

fig. 6 is a schematic view of the structure of the positioning member according to the present utility model.

In the figure: tool bit 1, handle of a knife 2, set screw 3, connecting seat 4, butt joint groove 5, screw hole 6, butt joint seat 7, mounting groove 8, mounting hole 9, setting element 10, primary locating hole 11, secondary locating hole 12, locating lever 13, magnet piece 14.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1-6, the present utility model provides three preferred embodiments:

example 1

The utility model provides a drilling equipment, drilling equipment includes the rig body and installs the drill bit combination on the rig body, the drill bit includes tool bit 1, handle of a knife 2 and set screw 3, the rear side end integrated into one piece of tool bit 1 is provided with connecting seat 4, and butt joint groove 5 has been seted up to the up end of connecting seat 4, screw hole 6 has been seted up to the tank bottom of butt joint groove 5, the downside end integrated into one piece of handle of a knife 2 has butt joint seat 7, and mounting groove 8 has been seted up to the upper side end of handle of a knife 2, mounting hole 9 has been seted up to the tank bottom of mounting groove 8, mounting hole 9 runs through butt joint seat 7, set screw 3 passes mounting hole 9 and twists the drill bit of installing in screw hole 6, through setting up by tool bit 1, handle of a knife 2 and set screw 3 combination, thereby carry out detachable connection through set screw 3 to tool bit 1, handle of a knife 2, thereby the vulnerable part tool bit 1 of messenger can be changed alone, thereby effectively reduce the use cost of drill bit, and can reduce the use of drill bit raw materials, more environmental protection.

Example two

On the basis of the first embodiment, the docking groove 5 is of a notch structure with a regular hexagon cross section, the size of the docking seat 7 is identical with that of the docking groove 5, the docking seat 7 is inserted into the docking groove 5, the docking groove 5 is arranged on the connecting seat 4, the docking seat 7 is arranged on the knife handle 2, and the cross sections of the docking groove 5 and the docking seat 7 are all arranged into the regular hexagon, so that the radial stress of the set screw 3 is effectively reduced, and the integral strength of the structure is ensured.

Example III

On the basis of the second embodiment, a positioning piece 10 is arranged in the mounting hole 9, the positioning piece 10 is matched with the mounting groove 8 in size, the positioning piece 10 is inserted into the mounting groove 8, and the lower side end of the positioning piece 10 is propped against the nut of the positioning screw 3.

The side wall of the mounting groove 8 is provided with a first-stage positioning hole 11, the positioning piece 10 is provided with a second-stage positioning hole 12, the second-stage positioning hole 12 and the first-stage positioning hole 11 are correspondingly arranged, the first-stage positioning hole 11 and the second-stage positioning hole 12 are inserted with a positioning rod 13, the positioning piece 10 is used for propping against the positioning screw 3, so that the positioning screw 3 is prevented from loosening under the mechanical vibration in the drilling process, and the overall stability of the structure of the positioning screw is ensured.

Example IV

On the basis of the third embodiment, the upper end of the positioning piece 10 is embedded with a magnet block 14, and the positioning piece 10 and the positioning rod 13 are both cast of ferromagnetic materials, so that the positioning rod 13 is conveniently positioned.

Example five

On the basis of the fourth embodiment, a multifunctional tapping machine is provided with the drilling device.

While the foregoing has been described in terms of illustrative embodiments thereof, so that those skilled in the art may appreciate the present application, it is not intended to be limited to the precise embodiments so that others skilled in the art may readily utilize the present application to its various modifications and variations which are within the spirit and scope of the present application as defined and determined by the appended claims.

Claims (6)

1. Drilling device, drilling device includes rig body and installs the drill bit combination on the rig body and constitute, its characterized in that: the drill bit includes:

the cutter head (1), the rear side end integrated into one piece of cutter head (1) is provided with connecting seat (4), and the up end of connecting seat (4) has seted up butt joint groove (5), screw hole (6) have been seted up to the tank bottom of butt joint groove (5);

the tool comprises a tool handle (2), wherein a butt joint seat (7) is integrally formed at the lower side end of the tool handle (2), a mounting groove (8) is formed at the upper side end of the tool handle (2), a mounting hole (9) is formed in the bottom of the mounting groove (8), and the mounting hole (9) penetrates through the butt joint seat (7);

the set screw (3) passes through the mounting hole (9) and is screwed in the threaded hole (6).

2. A drilling apparatus according to claim 1, wherein: the butt joint groove (5) is of a notch structure with a regular hexagon cross section, the size of the butt joint seat (7) is matched with that of the butt joint groove (5), and the butt joint seat (7) is inserted into the butt joint groove (5).

3. A drilling device according to claim 2, wherein: a positioning piece (10) is arranged in the mounting hole (9), the positioning piece (10) is matched with the mounting groove (8) in size, the positioning piece (10) is inserted into the mounting groove (8), and the lower side end of the positioning piece (10) is propped against the nut of the positioning screw (3).

4. A drilling apparatus according to claim 3, wherein: the side wall of the mounting groove (8) is provided with a first-stage positioning hole (11), the positioning piece (10) is provided with a second-stage positioning hole (12), the second-stage positioning hole (12) is arranged corresponding to the first-stage positioning hole (11), and a positioning rod (13) is inserted into the first-stage positioning hole (11) and the second-stage positioning hole (12).

5. A drilling apparatus according to claim 4, wherein: the upper end of the positioning piece (10) is embedded with a magnet block (14), and the positioning piece (10) and the positioning rod (13) are all cast of ferromagnetic materials.

6. A multifunctional tapping machine is characterized in that: the multifunctional tapping machine is provided with the drilling device according to any one of the preceding claims 1-5.