CN214867489U

CN214867489U - Parabola-shaped deep hole drill

Info

Publication number: CN214867489U
Application number: CN202120424938.1U
Authority: CN
Inventors: 殷智超
Original assignee: Jiangsu Ultra Micro Tool Technology Co ltd
Current assignee: Jiangsu Ultra Micro Tool Technology Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-11-26
Anticipated expiration: 2031-02-26

Abstract

The utility model belongs to the technical field of deep hole drilling, especially, parabola shape deep hole drilling, including drill handle, drilling rod and drill bit, the drill handle, be integrated into one piece between the drilling rod and the drill bit, the drilling rod integrated into one piece is in the outer wall of drill handle, and the drilling rod is offered the chip groove that is used for discharging the piece, the drill bit includes ring and drill point, ring, drill point all integrated into one piece are in the drilling rod keep away from the one end of drill handle, and the ring encircles the outside at the drill point; the end face of the circular ring which is in the same plane with the drill point is tightly attached to the surface of the workpiece, so that the contact area between the drill point and the surface of the workpiece is increased, the circular ring can limit the drill point, the trouble that the drill point is easy to incline due to the fact that the contact area between the drill point and the workpiece is small and the drill point is required to be kept perpendicular to the workpiece by a worker is avoided, the situation that the drill hole is inclined due to the fact that the drill point is inclined is also avoided, time and labor are saved, and the drilling quality is improved.

Description

Parabola-shaped deep hole drill

Technical Field

The utility model relates to a deep hole bores technical field, specifically is a parabola shape deep hole bores.

Background

The parabolic trough type deep hole drill is a drill bit specially used for processing deep holes, holes with the hole depth to hole diameter ratio larger than 6 are usually called deep holes in machining, heat dissipation and chip removal are difficult during deep hole drilling, bending and vibration are easy to generate due to slender and poor rigidity of a drill rod, the cooling and chip removal problems are generally solved by means of a pressure cooling system, the deep hole drill is divided into an outer chip removal mode and an inner chip removal mode according to a chip removal mode, the deep hole drill is provided with a special-shaped structure with parabolic trough shapes, blade sections are eliminated, and a large spiral angle, cooling liquid can reach the drill point of the deep hole drill, the deep hole with the length-diameter ratio of 60 can be processed by feeding once, and halfway chip pouring and frequent tool withdrawal are not needed, so that the parabolic trough type deep hole drill is suitable for processing various materials such as aluminum, copper, cast iron, cast steel, alloy steel, nodular cast iron, austenitic stainless steel and the like.

The drill bit of current deep hole brill is adding man-hour to the work piece, and most all place the drill point and drill the work piece in the position that the work piece need be processed, but the area of contact of drill point and work piece surface is less, appears easily because of the condition emergence that the drill bit skew leads to the drilling slope, needs the staff to let drill bit and work piece be in the vertical state all the time, wastes time and energy, and is comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a parabola shape deep hole bores to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a parabola shape deep hole bores, includes drill holder, drilling rod and drill bit, the drill holder the drilling rod with be integrated into one piece between the drill bit, drilling rod integrated into one piece is in the outer wall of drill holder, just the chip groove that is used for discharging the piece is seted up to the drilling rod, the drill bit includes ring and drill point, the equal integrated into one piece of ring, drill point is in the drilling rod is kept away from the one end of drill holder, just the ring encircles the outside of drill point, seted up on the ring with drill point matched with holding tank, the ring passes through the holding tank encircle in the outside of drill point, just the up end of ring with the drill point is kept away from the one end of drilling rod is on the coplanar, four chip removal holes have evenly been seted up to the outer wall of ring, four the chip removal hole all with the holding tank is linked together.

As a further aspect of the present invention: the drill rod is characterized in that one end, far away from the drill handle, of the drill rod is provided with a fixed end face, and the circular ring and the drill tip are integrally formed on the fixed end face.

As a further aspect of the present invention: the inner diameter of the accommodating groove is the same as the diameter of the bottom of the drill point, and the circular ring is tightly attached to the outer wall of the drill point.

As a further aspect of the present invention: the diameter of the circular ring is the same as that of the fixed end face, and the circular ring and the drill point cover the fixed end face.

As a further aspect of the present invention: the drill handle, the drill rod and the drill bit are all located on the same central axis.

As a further aspect of the present invention: and one end of the drill handle, which is far away from the drill rod, is fixedly connected with an installation block, and the drill handle is clamped and fixed in the drilling machine through the installation block.

As a further aspect of the present invention: and the mounting block is provided with a mounting hole for limiting the mounting block.

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

in the utility model, the upper end face of the ring and the end of the drill point far away from the drill rod are positioned on the same plane, when drilling the workpiece, the operator firstly installs the drill handle on the drilling machine, then places the drill bit at the position of the workpiece to be processed, the end face of the ring positioned on the same plane with the drill point is clung to the surface of the workpiece, the contact area between the drill point and the surface of the workpiece is increased, the ring can limit the drill point, the trouble that the drill point is easy to incline due to the small contact area between the drill point and the workpiece and the operator needs to keep the drill point vertical to the workpiece is avoided, time and labor are saved, the working efficiency is improved, the condition that the drill point inclines due to the inclination of the drill point is also avoided, the drilling quality is improved, and in the process of drilling the surface of the workpiece, chips generated when the drill point drills the workpiece positioned in the holding tank can be discharged through the chip discharge hole, avoided the piece to pile up the condition that causes the jam in the holding tank and taken place, the practicality is strong.

Drawings

FIG. 1 is a schematic view of a parabolic deep hole drill;

FIG. 2 is a schematic view of a drill bit in a parabolic deep hole drill;

FIG. 3 is a schematic view of a circular ring of a parabolic deep hole drill;

fig. 4 is a schematic view of the structure of the drill rod and the drill tip in a parabolic deep hole drill.

In the figure: 1. a drill shank; 11. mounting blocks; 12. mounting holes; 2. a drill stem; 21. a chip groove; 22. a fixed surface; 3. a drill bit; 31. a circular ring; 311. accommodating grooves; 312. chip removal holes; 32. and (4) drilling a tip.

Detailed Description

Please refer to fig. 1-4, in an embodiment of the present invention, a parabolic deep hole drill, including the drill handle 1, the drill rod 2 and the drill bit 3, the drill handle 1, be integrated into one piece between the drill rod 2 and the drill bit 3, the drill rod 2 is integrated into one piece at the outer wall of the drill handle 1, and the drill rod 2 is provided with a chip removal groove 21 for discharging chips, the drill bit 3 includes a ring 31 and a drill tip 32, the ring 31, the drill tip 32 is integrated into one end of keeping away from the drill handle 1 at the drill rod 2, and the ring 31 surrounds the outside of the drill tip 32, the ring 31 is provided with an accommodating groove 311 matched with the drill tip 32, the ring 31 surrounds the outside of the drill tip 32 through the accommodating groove 311, and the upper end face of the ring 31 and the one end of keeping away from the drill rod 2 at the same plane with the drill tip 32, the outer wall of the ring 31 is provided with four chip removal holes 312 uniformly, and the four chip removal holes 312 are all communicated with the accommodating groove 311.

In fig. 1, 2 and 3: when the deep well drill is installed, a worker firstly clamps and fixes the drill handle 1 on the drill through the installation block 11 and then fixes the installation block 11 on the installation hole 12 through an external bolt so as to fix the drill 3 on the drill for use, when the workpiece is drilled, the worker places the drill 3 at the position of the workpiece to be processed, the end surface of the ring 31 which is positioned on the same plane with the drill tip 32 is tightly attached to the surface of the workpiece, the contact area of the drill tip 32 and the surface of the workpiece is increased, the ring 31 can limit the drill tip 32, the trouble that the worker needs to keep the drill tip 32 vertical to the workpiece because the drill tip 32 is easy to incline due to the small contact area of the drill tip 32 and the workpiece is avoided, time and labor are saved, the working efficiency is improved, the condition that the drill hole is inclined due to the inclination of the drill tip 32 is also avoided, the drilling quality is improved, in addition, in the process of drilling the surface of the workpiece, chips generated when the drill tip 32 drills the workpiece in the accommodating groove 311 can be discharged through the chip removal hole 312, and the chips discharged from the chip removal hole 312 enter the chip removal groove 21 to be discharged, so that the situation that the chips are accumulated in the accommodating groove 311 to cause blockage is avoided, and the practicability is high.

In fig. 2: when a workpiece is drilled, a worker places the drill bit 3 at a position of the workpiece to be machined, the end face of the circular ring 31 which is positioned on the same plane as the drill tip 32 is tightly attached to the surface of the workpiece, the contact area between the drill tip 32 and the surface of the workpiece is increased, the circular ring 31 can limit the drill tip 32, the trouble that the drill tip 32 is easy to incline due to the fact that the contact area between the drill tip 32 and the workpiece is small and the drill tip 32 needs to be kept perpendicular to the workpiece by the worker is avoided, time and labor are saved, working efficiency is improved, the situation that the drill hole is inclined due to the fact that the drill tip 32 inclines is also avoided, and drilling quality is improved.

In fig. 3 and 4: because the internal diameter of holding tank 311 is the same with the diameter of drill point 32 bottom, and the diameter of ring 31 is the same with the diameter of fixed terminal surface 22, and ring 31 hugs closely in the outer wall of drill point 32 and covers on fixed terminal surface 22 with drill point 32, can let ring 31, drill point 32, drilling rod 2 form a whole, has avoided appearing the gap and reducing the condition emergence of the cutting effect of drill bit 3 to the work piece between drill point 32, ring 31 and drilling rod 2, and the practicality is strong.

The utility model discloses a theory of operation is: when the deep well drill is installed, a worker firstly clamps and fixes the drill handle 1 on the drill through the installation block 11 and then fixes the installation block 11 on the installation hole 12 through an external bolt so as to fix the drill 3 on the drill for use, when the workpiece is drilled, the worker places the drill 3 at the position of the workpiece to be processed, the end surface of the ring 31 which is positioned on the same plane with the drill tip 32 is tightly attached to the surface of the workpiece, the contact area of the drill tip 32 and the surface of the workpiece is increased, the ring 31 can limit the drill tip 32, the trouble that the worker needs to keep the drill tip 32 vertical to the workpiece because the drill tip 32 is easy to incline due to the small contact area of the drill tip 32 and the workpiece is avoided, time and labor are saved, the working efficiency is improved, the condition that the drill hole is inclined due to the inclination of the drill tip 32 is also avoided, the drilling quality is improved, in addition, in the process of drilling the surface of the workpiece, chips generated when the drill tip 32 drills the workpiece in the accommodating groove 311 can be discharged through the chip removal hole 312, and the chips discharged from the chip removal hole 312 enter the chip removal groove 21 to be discharged, so that the situation that the chips are accumulated in the accommodating groove 311 to cause blockage is avoided, and the practicability is high.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The parabolic deep hole drill comprises a drill handle (1), a drill rod (2) and a drill bit (3), and is characterized in that the drill handle (1), the drill rod (2) and the drill bit (3) are integrally formed, the drill rod (2) is integrally formed on the outer wall of the drill handle (1), chip discharge grooves (21) for discharging chips are formed in the drill rod (2), the drill bit (3) comprises a circular ring (31) and a drill tip (32), the circular ring (31) and the drill tip (32) are integrally formed at one end, away from the drill handle (1), of the drill rod (2), the circular ring (31) surrounds the outer portion of the drill tip (32), a containing groove (311) matched with the drill tip (32) is formed in the circular ring (31), and the circular ring (31) surrounds the outer portion of the drill tip (32) through the containing groove (311), the upper end face of the circular ring (31) and one end, far away from the drill rod (2), of the drill tip (32) are located on the same plane, four chip removal holes (312) are uniformly formed in the outer wall of the circular ring (31), and the four chip removal holes (312) are communicated with the accommodating groove (311).

2. The parabolic deep hole drill according to claim 1, characterized in that a fixed end face (22) is opened at one end of the drill rod (2) far away from the drill shank (1), and the circular ring (31) and the drill tip (32) are integrally formed on the fixed end face (22).

3. Parabolic deep hole drill according to claim 1, characterised in that the inner diameter of the receiving groove (311) is the same as the diameter of the bottom of the drill tip (32), and that the ring (31) abuts against the outer wall of the drill tip (32).

4. The parabolic deep hole drill according to claim 2, characterized in that the diameter of the ring (31) is the same as the diameter of the fixed end face (22), and the ring (31) and the drill tip (32) are overlaid on the fixed end face (22).

5. A parabolic deep hole drill according to claim 1, characterised in that the drill shank (1), the drill rod (2) and the drill bit (3) are all on the same central axis.

6. The parabola-shaped deep hole drill according to claim 1, characterized in that a mounting block (11) is fixedly connected to one end of the drill shank (1) far away from the drill rod (2), and the drill shank (1) is fixed in the drilling machine through the mounting block (11) in a clamping manner.

7. The parabolic deep hole drill according to claim 6, wherein the mounting block (11) is provided with a mounting hole (12) for limiting the mounting block.