CN212761311U

CN212761311U - Deep hole numerical control drill blade

Info

Publication number: CN212761311U
Application number: CN202020748001.5U
Authority: CN
Inventors: 朱琴
Original assignee: Suzhou Nuowei Industrial Technology Service Co ltd
Current assignee: Suzhou Nuowei Industrial Technology Service Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-03-23
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a deep hole numerical control drill blade, including brill sword body, inscribe frame, chip groove and connecting sleeve, brill sword body front end is connected with inscribe frame, and bores sword body front end surface and be equipped with the chip groove, brill sword body one end is connected with the dead lever, and is equipped with the compression part outside boring sword body upper end to the compression part in-connection has the coolant pipe, the dead lever outside is connected with connecting sleeve, and all has preset the thread groove in dead lever and the connecting sleeve, and the thread groove in-connection has fixing bolt, be equipped with the baffle box in the chip groove, and baffle box internal surface is connected with the blade, and the blade surface is connected with the toper sword to the baffle box middle-end is equipped with the lug. The deep hole numerical control drill blade is convenient to replace while the strength of the connecting surface of the deep hole numerical control drill blade is enhanced, the phenomenon that the durability is reduced sharply due to long-term use is avoided, the service life of the drill blade is prolonged, and the stability of the drill blade is also improved.

Description

Deep hole numerical control drill blade

Technical Field

The utility model relates to a numerical control processing technology field specifically is a deep hole numerical control bores blade.

Background

A lathe is a machine tool that mainly turns a rotating workpiece with a tool. The cutter is an essential part for lathe machining, is used for turning, milling and cutting, and is mainly used for machining planes, steps, grooves, forming surfaces, cutting off workpieces and the like on a machine tool, wherein each cutter tooth is used for intermittently cutting off the allowance of the workpiece in sequence during working. During the machining process, the temperature of the tool is rapidly increased due to heat generated by high-speed rotation friction, so that the service life of the machine tool machining tool is greatly influenced.

However, the shovel drill blade in the prior art has unreasonable structural design, low drilling precision, poor working reliability and stability, poor workpiece finished product quality, insufficient fixing strength, easy breakage, and low machining efficiency due to the fact that waste chips cannot be effectively discharged, and therefore a deep hole numerical control drill blade is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deep hole numerical control bores blade to it is not high to provide drilling machining precision in solving above-mentioned background art, and operational reliability and stationarity are not good enough, lead to work piece finished product quality relatively poor, and fixed strength is not enough, breaks easily, simultaneously can't effectually discharge the sweeps, makes the problem that machining efficiency reduces.

In order to achieve the above object, the utility model provides a following technical scheme: a deep hole numerical control drill blade comprises a drill cutter body, an inner cutting frame and a connecting sleeve, wherein the front end of the drill cutter body is connected with the inner cutting frame, the outer surface of the front end of the drill cutter body is provided with a chip breaker groove, one end of the drill cutter body is connected with a fixed rod, the outer side of the upper end of the drill cutter body is provided with a compression part, the compression part is internally connected with a cooling liquid pipe, the outer side of the fixed rod is connected with the connecting sleeve, thread grooves are respectively preset in the fixed rod and the connecting sleeve, fixing bolts are connected in the thread grooves, a material guide groove is arranged in the chip guide groove, the inner surface of the material guide groove is connected with a cutting edge, the outer surface of the cutting edge is connected with a conical blade, the middle end of the material guide groove is provided with a lug, the outer surface of the drill cutter body is provided with a cutting edge, the surface of, the inner surface of the grinding edge is provided with a chip groove.

Preferably, the drill bit body is movably connected with the connecting sleeve, and thread grooves are distributed in the drill bit body and the connecting sleeve at equal intervals.

Preferably, the chip groove is of a multi-section spiral structure, and the central point of the chip groove and the central point of the grinding edge are located on the same vertical line.

Preferably, the radian of the outer side of the inner cutting frame is the same as that of the cutting edge, and the inner cutting frame is symmetrically arranged on the inner surface of the front end of the drill body.

Preferably, the cutting edge and the tapered edge are of an integrated structure, and the tapered edge is distributed on the inner surface of the guide chute in a multi-section tapered manner.

Preferably, the cooling liquid pipe is movably connected with the compression part, and the compression part is fixedly connected with the liquid guide groove.

Compared with the prior art, the beneficial effects of the utility model are that: the deep hole numerical control drill blade is provided with a cutter head,

1. the connecting sleeve capable of fixing the drill blade is connected to the outer side of the drill blade, and the corresponding thread groove is connected with the fixing bolt for fixing, so that the drill blade is convenient to replace while the strength of the connecting surface of the drill blade and the connecting sleeve is enhanced, the rapid and durable decline caused by long-term use is avoided, the service life of the drill blade is prolonged, and the stability of the drill blade is improved;

2. the two internally tangent frames with the same arc shape are arranged at the front end of the drill blade, and the plurality of cutting edges and the plurality of tapered edges with the same shape are arranged on the internally tangent frames, so that the inner surface of the cut can be cut for the second time, and meanwhile, the scraps accumulated in the scrap discharge groove can be cut into a spiral shape, so that the scraps can be conveniently discharged from the scrap discharge groove, and the integral practicability of the deep hole cutting blade is improved;

3. through set up the bits mouth and the groove of cutting absolutely in the smear metal sword outside, can accomodate the direction to the sweeps in the in-process of cutting, avoid piling up too much and the inconvenient drilling blade of production pressure continues to go deep, the chip breaker can cut off the sweeps of incision surface connection to the drilling efficiency of cutting blade has been increased.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic view of the inner front view structure of the chip dividing groove of the present invention;

fig. 4 is a schematic view of the inside front view structure of the connecting sleeve of the present invention.

In the figure: 1. a drill body; 2. a cutting edge; 3. a chip groove; 4. a chip containing port; 5. grinding the edge; 6. a chip breaker groove; 7. a cooling port; 8. a liquid guide groove; 9. internally cutting a frame; 10. a chip dividing groove; 11. cutting edges; 12. a tapered edge; 13. a bump; 14. a material guide chute; 15. fixing the rod; 16. a compression section; 17. a coolant tube; 18. a thread groove; 19. a connecting sleeve; 20. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a deep hole numerical control drill blade comprises a drill body 1, an inner cutting frame 9 and a connecting sleeve 19, wherein the front end of the drill body 1 is connected with the inner cutting frame 9, the outer surface of the front end of the drill body 1 is provided with a chip breaking groove 6, one end of the drill body 1 is connected with a fixed rod 15, the outer side of the upper end of the drill body 1 is provided with a compression part 16, the compression part 16 is internally connected with a cooling liquid pipe 17, the outer side of the fixed rod 15 is connected with the connecting sleeve 19, the fixed rod 15 and the connecting sleeve 19 are internally provided with a thread groove 18, the thread groove 18 is internally connected with a fixed bolt 20, a material guide groove 14 is arranged in the chip dividing groove 10, the inner surface of the material guide groove 14 is connected with a cutting edge 11, the outer surface of the cutting edge 11 is connected with a conical blade 12, the middle end of the material guide groove 14 is provided with a lug 13, the outer surface of the, and a liquid guide groove 8 is arranged in the grinding edge 5, the other end of the liquid guide groove 8 is connected with a cooling port 7, and a chip groove 3 is arranged on the inner surface of the grinding edge 5.

The drill body 1 is movably connected with the connecting sleeve 19, the threaded grooves 18 are distributed in the drill body 1 and the connecting sleeve 19 at equal intervals, the drill body 1 corresponds to the threaded grooves 18 in the connecting sleeve 19 and is fixedly penetrated by the fixing bolts 20, so that the strength of the connecting surface of the drill body 1 and the connecting sleeve 19 can be enhanced, the drill body 1 is prevented from slipping during drilling, the drill body 1 is convenient to replace, the replacement time of numerical control processing is saved, the durability of a drill blade can be improved by replacing the drill blade regularly, and the service life of the drill blade is prolonged;

the chip groove 3 is of a multi-section spiral structure, the central point of the chip groove 3 and the central point of the grinding edge 5 are positioned on the same vertical line, the chip groove 3 is preset by taking the grinding edge 5 as the center, the cutting edge 2 is matched with the chip groove to synchronously cooperate with drilling work, and the waste chips are gradually discharged from the chip groove 3 outwards by adopting the spiral rotation principle, so that the waste chips are prevented from being accumulated in the drilled hole to influence the normal use of the drilled hole, and the cutting efficiency of the drill blade is improved;

the radian of the outer side of the inner cutting frame 9 is the same as that of the cutting edge 2, the inner cutting frame 9 is symmetrically arranged on the inner surface of the front end of the drill body 1, the radian of the outer side of the inner cutting frame 9 and the radian of the cutting edge 2 are set to be the same in shape, so that the inner cutting frame 9 and the cutting edge 2 can be mutually compatible during drilling, the chip removal amount of the drill body 1 can be increased at the two ends of the cutting edge 2 by arranging the inner cutting frame 9 with the same shape, the situation that the cutting edge 2 needs to cut a target for multiple times during drilling is avoided, and the cutting stability is improved;

the cutting edge 11 and the conical edge 12 are of an integrated structure, the conical edge 12 is distributed on the inner surface of the guide chute 14 in a multi-section conical manner, the cutting edge 11 and the conical edge 12 are arranged in the guide chute 14 in the inner cutting frame 9, so that secondary cutting can be performed on the outer side of a target by the cutting edge 11 and the conical edge 12 during cutting, and meanwhile, waste scraps can be cut into a spiral shape by matching with the shape structures of the cutting edge 11 and the conical edge 12, and the waste scraps are discharged from the scrap discharge groove 3 by matching with the inner lug 13, so that the drilling speed of the drill body 1 is increased, and the drill blade is more efficient and stable;

coolant liquid pipe 17 is swing joint with compression portion 16, and compression portion 16 is fixed connection with drain tank 8, through being connected coolant liquid pipe 17 with compression portion 16, make the coolant liquid in coolant liquid pipe 17 pour into the drain tank 8 in and reserve, and advance the separation with coolant liquid pipe 17, prevent to make coolant liquid pipe 17 knot rotating, compression portion 16 carries cooling hole 7 with the coolant liquid from drain tank 8, prevent that high temperature from leading to the drill bit body 1 front end too smooth to lead to wearing and tearing aggravation, thereby increased holistic practicality.

The working principle is as follows: when the deep hole numerical control drill blade is used, firstly, the drill body 1 corresponds to the thread groove 18 in the connecting sleeve 19, and the fixing bolt 20 penetrates through the fixing rod 15, so that the strength of the connecting surface of the drill body 1 and the connecting sleeve 19 can be enhanced, the drill body 1 is prevented from skidding during drilling, meanwhile, the drill body 1 is convenient to replace, the replacement time of numerical control processing is saved, the durability of the drill blade can be improved by replacing periodically, the service life of the drill blade is prolonged, the chip discharge groove 3 is preset by taking the grinding edge 5 as the center, the cutting edge 2 can be matched with the grinding edge to synchronously carry out drilling work, waste chips are enabled to enter the chip discharge groove 3 from the chip discharge port 4 and to be discharged outwards gradually by using the spiral rotation principle, the phenomenon that the waste chips are accumulated in a drill hole to influence the normal use of the drill hole is avoided, the cutting efficiency of the drill blade is improved, the radian of the outer side of the inner cutting frame 9, the cutting edge 11 and the conical blade 12 are arranged in the chip dividing groove 10, so that the cutting edge 11 and the conical blade 12 can perform secondary cutting on the outer side of the target during cutting, the waste chips can be cut into a spiral shape by matching the shape structures of the cutting edge 11 and the conical blade 12, and the waste chips are discharged from the chip discharging groove 3 by matching with an internal lug 13, so that the drilling speed of the drill bit body 1 is increased, the drill bit is more efficient and stable, and the cooling liquid in the cooling liquid pipe 17 is injected into the liquid guide groove 8 for storage by connecting the cooling liquid pipe 17 with the compression part 16, and advance the separation with coolant liquid pipe 17, prevent to make coolant liquid pipe 17 knot rotating, compression portion 16 carries cooling hole 7 with the coolant liquid from liquid guide tank 8, prevents that the high temperature from leading to the too smooth aggravation of wearing and tearing that leads to of the front end of brill sword body 1, and chip breaker 6 can cut off the accumulational sweeps on the incision, avoids drilling to block up unable continuation drilling work to the practicality has been increased wholly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a deep hole numerical control drill blade, includes drill bit body (1), interior tangent frame (9), chip groove (10) and connecting sleeve (19), its characterized in that: the front end of the drill cutter body (1) is connected with an inner cutting frame (9), the outer surface of the front end of the drill cutter body (1) is provided with a chip breaker groove (6), one end of the drill cutter body (1) is connected with a fixing rod (15), the outer side of the upper end of the drill cutter body (1) is provided with a compression part (16), the compression part (16) is internally connected with a cooling liquid pipe (17), the outer side of the fixing rod (15) is connected with a connecting sleeve (19), thread grooves (18) are preset in the fixing rod (15) and the connecting sleeve (19), fixing bolts (20) are connected in the thread grooves (18), a material guide groove (14) is arranged in the chip breaker groove (10), the inner surface of the material guide groove (14) is connected with a cutting edge (11), the outer surface of the cutting edge (11) is connected with a conical blade (12), the middle end of the material guide groove (14) is provided with, and chip containing openings (4) are formed in the surfaces of the cutting edges (2), the central shaft of the drill body (1) is provided with a grinding edge (5), a liquid guide groove (8) is formed in the grinding edge (5), the other end of the liquid guide groove (8) is connected with a cooling opening (7), and chip discharge grooves (3) are formed in the inner surfaces of the grinding edge (5).

2. The deep hole numerical control drill insert according to claim 1, characterized in that: the drill bit body (1) is movably connected with the connecting sleeve (19), and thread grooves (18) are distributed in the drill bit body (1) and the connecting sleeve (19) at equal intervals.

3. The deep hole numerical control drill insert according to claim 1, characterized in that: the chip groove (3) is of a multi-section spiral structure, and the central point of the chip groove (3) and the central point of the grinding edge (5) are located on the same vertical line.

4. The deep hole numerical control drill insert according to claim 1, characterized in that: the radian of the outer side of the inner cutting frame (9) is the same as that of the cutting edge (2), and the inner cutting frame (9) is symmetrically arranged on the inner surface of the front end of the drill body (1).

5. The deep hole numerical control drill insert according to claim 1, characterized in that: the cutting edge (11) and the conical blade (12) are of an integrated structure, and the conical blade (12) is distributed on the inner surface of the guide chute (14) in a multi-section conical shape.

6. The deep hole numerical control drill insert according to claim 1, characterized in that: the cooling liquid pipe (17) is movably connected with the compression part (16), and the compression part (16) is fixedly connected with the liquid guide groove (8).