CN213614354U - Drilling tool for sewing equipment shell - Google Patents

Abstract

The utility model discloses a drilling tool for making up equipment casing, including handle of a knife, last hole reamer cutting edge and lower hole reamer cutting edge, lower hole reamer cutting edge with handle of a knife fixed connection, lower hole reamer cutting edge is located the bottom of handle of a knife, last hole reamer cutting edge with handle of a knife sliding connection, last hole reamer cutting edge with lower hole reamer cutting edge interval sets up, last hole reamer cutting edge is located the top of lower hole reamer cutting edge. In the process of processing the casing, the workstation need not to revolve, the downthehole reamer sword moves down when accomplishing the reaming to the casing upper hole to drill out the hole under the casing, with the concentricity in hole and the casing under the assurance casing upper hole, the principle of make full use of limit processing side direction prevents that the concentricity error in hole and the casing under the hole is great on the casing.

Description

Drilling tool for sewing equipment shell

Technical Field

The utility model relates to a machine tooling cutter technical field especially relates to a drilling cutter for making up equipment casing.

Background

The conventional machining process is to independently drill two holes, and the concentricity precision of the two holes after subsequent boring and reaming is easy to have a large fluctuation condition due to factors such as instability of a blank, precision of rotation of a machine tool workbench and the like, rigidity of a cutter and the like.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a drilling cutter for making up equipment casing is provided to the concentricity error in two holes is less when drilling under needle, the depression bar of guaranteeing to make up equipment casing.

In order to achieve the above object, the utility model provides a drilling tool for making up equipment shell, including handle of a knife, last hole reamer cutting edge and lower hole reamer cutting edge, lower hole reamer cutting edge with handle of a knife fixed connection, lower hole reamer cutting edge is located the bottom of handle of a knife, last hole reamer cutting edge with handle of a knife sliding connection, last hole reamer cutting edge with lower hole reamer cutting edge interval sets up, last hole reamer cutting edge is located the top of lower hole reamer cutting edge.

Wherein, the drilling tool for sewing the shell of the equipment also comprises a movable component, the movable component comprises a first abutting plate, a second abutting plate, a first screw and a second screw, the inside of the handle is provided with a mounting cavity, the outer surface of the handle is provided with two containing cavities which are centrosymmetric along the axis of the handle, the two containing cavities are respectively communicated with the mounting cavity through two threaded holes, the first screw is arranged in one of the threaded holes in a penetrating manner, one end of the first screw is rotationally connected with the first abutting plate, the other end of the first screw is arranged in the containing cavity, the first abutting plate is jointed with the upper hole hinge cutting edge, the first abutting plate is arranged in the mounting cavity, the upper hole reamer cutting edge is provided with a triangular hole, and the second screw is arranged in the other threaded hole in a penetrating manner, one end of the second screw is rotatably connected with the second abutting plate, the other end of the second screw is located inside the accommodating cavity, and the second abutting plate is located inside the triangular hole.

The first screw is provided with a first fixing column, the first abutting plate is provided with a first movable groove matched with the first fixing column, the first fixing column is located inside the first movable groove, the second screw is provided with a second fixing column, the second abutting plate is provided with a second movable groove matched with the second fixing column, and the second fixing column is located inside the second movable groove.

The top of the knife handle is provided with a connecting body, and the connecting body and the knife handle are integrally formed.

Wherein the cross section of the connecting body is square.

Wherein, the lower hole drilling sword is provided with V-arrangement recess along its length direction.

The beneficial effects of the utility model are embodied in: through inciting somebody to action the handle of a knife inserts in the casing hole of going up, go up the hole reamer sword and carry out the reaming to the casing hole of going up, after the casing hole of stable reaming, the downstream moves the handle of a knife makes the hole drilling sword that drills down is to the casing lower part to in-process of going out the casing and processing, the workstation need not to turn around to the casing, go up the hole reamer sword and move down when accomplishing the reaming to the casing hole of going up to drill out the casing hole of going out, with the concentricity of guaranteeing casing hole of going up and casing hole of going out, make full use of principle of limit processing side direction, in order to prevent that the concentricity error of hole and casing hole of going out on the casing is too big.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a drilling tool for sewing a casing of a sewing machine according to the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1 according to the present invention.

Fig. 3 is a sectional view of fig. 1 taken along line B-B.

The tool comprises a tool handle 1, a tool handle 11, a mounting cavity 11, a holding cavity 12, a threaded hole 13, a connector 14, a hole reaming blade 2, a triangular hole 21, a hole drilling blade 3, a movable component 4, a first abutting plate 41, a first movable groove 411, a second abutting plate 42, a second movable groove 421, a first screw 43, a first fixed column 431, a second screw 44, a second fixed column 441, a shell upper hole 5 and a shell lower hole 6.

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 "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a drilling tool for making up equipment casing, includes handle of a knife 1, last hole reamer cutting edge 2 and lower hole reamer cutting edge 3, lower hole reamer cutting edge 3 with 1 fixed connection of handle of a knife, lower hole reamer cutting edge 3 is located the bottom of handle of a knife 1, last hole reamer cutting edge 2 with 1 sliding connection of handle of a knife, go up hole reamer cutting edge 2 with 3 intervals of lower hole reamer cutting edge set up, last hole reamer cutting edge 2 is located the top of lower hole reamer cutting edge 3.

In this embodiment, this a drilling cutter for making up equipment casing is equipped with driving motor and cylinder, the top of handle of a knife 1 and driving motor's output fixed connection, driving motor drive handle of a knife 1 rotates, and driving motor and the output fixed connection of cylinder, cylinder drive driving motor reciprocate, thereby make handle of a knife 1 can reciprocate when rotating. The length of handle of a knife 1 is longer, after the clamping to the casing, will handle of a knife 1 inserts in casing upper hole 5, go up hole reamer sword 2 and carry out the fraising to casing upper hole 5, after stable reaming casing upper hole 5, move down handle of a knife 1 makes down hole drilling sword 3 drills to the casing lower part to bore out casing lower hole 6, at the in-process of processing to the casing, the workstation need not to revolve, go up hole reamer sword 2 and move down when accomplishing the fraising to casing upper hole 5, thereby bore out casing lower hole 6, with the concentricity of guaranteeing casing upper hole 5 and casing lower hole 6, make full use of the principle of limit processing side direction, in order to prevent that the concentricity error of casing upper hole 5 and casing lower hole 6 is too big.

Further, the drilling tool for sewing the shell of the equipment further comprises a movable assembly 4, the movable assembly 4 comprises a first abutting plate 41, a second abutting plate 42, a first screw 43 and a second screw 44, a mounting cavity 11 is arranged in the handle 1, two containing cavities 12 which are centrosymmetric along the axis of the handle 1 are arranged on the outer surface of the handle 1, the two containing cavities 12 are respectively communicated with the mounting cavity 11 through two threaded holes 13, the first screw 43 is arranged in one of the threaded holes 13 in a penetrating manner, one end of the first screw 43 is rotatably connected with the first abutting plate 41, the other end of the first screw 43 is positioned in the containing cavity 12, the first abutting plate 41 is attached to the upper hole reamer blade 2, the first abutting plate 41 is positioned in the mounting cavity 11, the upper hole reamer blade 2 is provided with a triangular hole 21, the second screw 44 is inserted into the other threaded hole 13, one end of the second screw 44 is rotatably connected to the second abutting plate 42, the other end of the second screw 44 is located inside the accommodating cavity 12, and the second abutting plate 42 is located inside the triangular hole 21.

In this embodiment, the first abutting plate 41 and the second abutting plate 42 both have an inclined surface, and the inclined surfaces of the first abutting plate 41 and the second abutting plate 42 are both attached to the upper hole reamer blade 2, and both the first abutting plate 41 and the second abutting plate 42 can slide relative to the upper hole reamer blade 2, when the first screw 43 is tightened, the first screw 43 moves towards the inside of the mounting cavity 11, so that the first abutting plate 41 presses the upper hole reamer blade 2 outwards, so that the length of the upper hole reamer blade 2 located outside the mounting cavity 11 is increased, and then the second screw 44 is adjusted, so that the upper hole reamer blade 2 is fixed by the second abutting plate 42; when the second screw 44 is screwed down, the second screw 44 moves towards the inside of the mounting cavity 11, so that the second abutting plate 42 extrudes the upper hole reamer blade 2 inwards to enable the length of the upper hole reamer blade 2 outside the mounting cavity 11 to be shortened, the first screw 43 is readjusted, the upper hole reamer blade 2 is fixed through the first abutting plate 41, and therefore the length of the upper hole reamer blade 2 outside the mounting cavity 11 is changed, and the practicability of the drilling tool for sewing the equipment shell is better.

Further, the first screw 43 is provided with a first fixing column 431, the first abutting plate 41 is provided with a first movable slot 411 matched with the first fixing column 431, the first fixing column 431 is located inside the first movable slot 411, the second screw 44 is provided with a second fixing column 441, the second abutting plate 42 is provided with a second movable slot 421 matched with the second fixing column 441, and the second fixing column 441 is located inside the second movable slot 421.

In the present embodiment, the first fixed column 431 can rotate inside the first movable slot 411 to realize the rotational connection between the first screw 43 and the first abutting plate 41, and the second fixed column 441 can rotate inside the second movable slot 421 to realize the rotational connection between the second screw 44 and the second abutting plate 42.

Further, a connecting body 14 is arranged at the top of the knife handle 1, and the connecting body 14 and the knife handle 1 are integrally formed.

In this embodiment, the tool shank 1 is fixedly connected to the output end of the driving motor through the connecting body 14, so that the driving motor drives the tool shank 1 to rotate.

Further, the cross section of the connecting body 14 is square.

In the present embodiment, the cross section of the connecting body 14 is square to prevent the tool shank 1 from slipping during rotation.

Further, the lower hole drilling blade 3 is provided with a V-shaped groove along the length direction thereof.

In this embodiment, the lower hole drilling edge 3 is provided with a V-shaped groove along its length to facilitate chip removal.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a drilling tool for making up equipment casing, its characterized in that, includes handle of a knife, last hole reamer cutting edge and lower hole reamer cutting edge, lower hole reamer cutting edge with handle of a knife fixed connection, lower hole reamer cutting edge is located the bottom of handle of a knife, last hole reamer cutting edge with handle of a knife sliding connection, last hole reamer cutting edge with lower hole reamer cutting edge interval sets up, it is located to go up hole reamer cutting edge the top of lower hole reamer cutting edge.

2. The drilling tool for sewing a casing of an apparatus as claimed in claim 1, wherein the drilling tool for sewing a casing of an apparatus further comprises a movable assembly, the movable assembly comprises a first abutting plate, a second abutting plate, a first screw and a second screw, the interior of the shank has a mounting cavity, the outer surface of the shank has two containing cavities which are centrosymmetric along the axis of the shank, the two containing cavities are respectively communicated with the mounting cavity through two threaded holes, the first screw is inserted into one of the threaded holes, one end of the first screw is rotatably connected with the first abutting plate, the other end of the first screw is located inside the containing cavity, the first abutting plate is attached to the upper hole reamer blade, the first abutting plate is located inside the mounting cavity, the upper hole reamer blade has a triangular hole, the second screw penetrates through the other threaded hole, one end of the second screw is rotatably connected with the second abutting plate, the other end of the second screw is located inside the accommodating cavity, and the second abutting plate is located inside the triangular hole.

3. The drilling tool for sewing machine housings as claimed in claim 2, wherein the first screw is provided with a first fixed post, the first abutting plate has a first movable groove matching with the first fixed post, the first fixed post is located inside the first movable groove, the second screw is provided with a second fixed post, the second abutting plate has a second movable groove matching with the second fixed post, and the second fixed post is located inside the second movable groove.

4. A drilling tool for sewing machine housings as claimed in claim 3, wherein the top of the shank is provided with a connecting body which is integrally formed with the shank.

5. The drilling tool for sewing machine housings of claim 4, wherein the connecting body has a square cross-section.

6. The drilling tool for sewing machine housings as claimed in claim 1, wherein the lower drilling blade is provided with a V-shaped groove along its length.

Images