CN216541014U

CN216541014U - Integral hard alloy composite cutting angle drill capable of preventing drill from tipping

Info

Publication number: CN216541014U
Application number: CN202123080432.2U
Authority: CN
Inventors: 梁雪锋
Original assignee: Wuhan Nice Tool Co ltd
Current assignee: Wuhan Nice Tool Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-17
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses an integral hard alloy composite cutting angle drill bit capable of preventing a drill bit from tipping, which comprises a drill handle, a cutter body and a drill point, wherein a drill neck is arranged on the outer surface of one end of the cutter body, a narrow cross blade is arranged on the outer surface of the front end of the drill point, a cutter disc is arranged on the outer surface of the cutter body, a cutting edge is arranged on the outer surface of the cutter disc, a cutting edge ridge is arranged on the outer surface of one side of the cutting edge, a spiral groove is arranged on the inner surface of the cutter disc, a cross cutting edge ridge is arranged on the outer surface of one side of the narrow cross blade, and a circular flange plate is fixedly sleeved on the outer surface of the drill handle. Has the beneficial effects that: the bottom of the additionally arranged screw rod is sleeved on the nut, so that a good installation effect is realized, the screw rod is inserted into the first sleeve and the second sleeve and is not leaked, the attractiveness is prevented from being influenced, and the screw rod is well protected by the design of the first sleeve and the second sleeve.

Description

Integral hard alloy composite cutting angle drill capable of preventing drill from tipping

Technical Field

The utility model relates to the field of drill bits, in particular to an integral hard alloy composite cutting angle drill bit capable of preventing tipping of the drill bit.

Background

The drill bit is a cutting tool adopted by a common drill or a drilling and digging machine to cut a circular hole, the basic principle of the drill bit is to enable the drill bit to cut edges and rotate, cut workpieces and remove drill cuttings through a drill groove, the commonly used drill bits mainly comprise a twist drill, a flat drill, a center drill, a deep hole drill and a trepanning drill, and although the reamer and the countersink cannot drill holes in solid materials, the reamer and the countersink are also classified into the drill bits in a habitual way; the existing drill bit has certain disadvantages when in use, firstly, the chisel edge is too large to reduce cutting resistance and is not suitable for processing cast iron materials, the design of a rake angle and a cutting-in angle of the chisel edge cannot enable the drill bit to form a sharp angle, tip breakage cannot be effectively prevented, and the drill bit cannot be more durable, secondly, an edge belt edge is not arranged, the rake angle cannot be effectively reduced, and the edge belt cannot be more wear-resistant, and finally, the drill bit can not be effectively prevented from edge breakage, so that the cost of a user is increased to a certain extent.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a solid carbide composite cutting angle drill for preventing the drill from tipping, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the integral hard alloy composite cutting angle drill bit capable of preventing the drill bit from tipping comprises a drill handle, a cutter body and a drill point, wherein a drill neck is arranged on the outer surface of one end of the cutter body, a narrow cross blade is arranged on the outer surface of the front end of the drill point, a cutter lamella is arranged on the outer surface of the cutter body, a cutter edge is arranged on the outer surface of one side of the cutter edge, a spiral groove is formed in the inner surface of the cutter lamella, a cross blade edge is arranged on the outer surface of one side of the narrow cross blade, a circular flange plate is fixedly sleeved on the outer surface of the drill handle, an auxiliary circular flange plate is fixedly sleeved on the outer surface of the cutter body, a first sleeve is fixedly arranged on the circular flange plate in a penetrating mode, a second sleeve is fixedly arranged on the auxiliary circular flange plate in a penetrating mode, the number of the first sleeve is equal to the number of the second sleeve, the first sleeve and the second sleeve are a plurality of sleeves, and the inner bottom of the first sleeve and the second sleeve are both in an outward expanding mode, and a nut is embedded in the bottom of the second sleeve.

Furthermore, the outer surface of the upper end of the drill handle is provided with a mounting groove, the outer surface of the other side of the blade is provided with two groups of blade backs, and the outer surface of the drill handle is uniformly coated with an anti-rust layer.

Furthermore, a circular groove is formed in one side face, located on the drill shank, of the cutter body, an insertion block groove communicated with the circular groove is formed in the end face of the cutter body, a circular block matched with the circular groove is fixed to one end, located on the cutter body, of the drill shank, and an insertion block matched with the insertion block groove is fixedly arranged on the drill shank.

Furthermore, corresponding threaded holes are formed in the auxiliary circular ring flange, the inserting block and the circular ring block, threaded rods are inserted into the threaded holes, and the threaded holes in the auxiliary circular ring flange are T-shaped.

Furthermore, the top is provided with the groove of accomodating that is the outward flaring form in the first sleeve.

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

the drill handle is used as a part of a drill bit which is arranged in a machine, the drill neck is used as an empty cutter groove for withdrawing the drill bit, the drill tip bears the main cutting task, the narrow cross edge can reduce the cutting resistance and is more suitable for processing cast iron materials, the cutter body of the drill bit is formed by the cutter lamella, the cutting edge, the cross cutting edge and the spiral groove together, the cross cutting edge can effectively prevent the drill bit from tipping, the cost of a user is reduced to a certain extent, the drill handle and the cutter body are detachably arranged, the drill handle and the cutter body are convenient to replace after being detached when being singly damaged, the annular flange plate is fixed on the outer surface of the drill handle, the auxiliary annular flange plate is fixed on the outer surface of the cutter body, when the drill handle and the cutter body are combined, the top of the second sleeve is inserted into the inner bottom of the first sleeve, the nut is embedded in the bottom of the second sleeve, the screw rod is additionally arranged to be inserted into the first sleeve and the second sleeve, and the inner parts of the first sleeve are in an internal thread shape, the bottom of the additionally arranged screw is sleeved on the nut, so that a good installation effect is realized, the screw is inserted into the first sleeve and the second sleeve and is not leaked, the attractiveness is prevented from being influenced, and the screw is well protected by the design of the first sleeve and the second sleeve.

Drawings

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

FIG. 1 is a front view of a solid carbide composite cutting angle drill bit for preventing tipping of the drill bit according to an embodiment of the present invention;

FIG. 2 is a schematic illustration of a partial configuration of a solid carbide composite angle of cut drill for preventing tipping of the drill in accordance with an embodiment of the present invention;

FIG. 3 is a schematic view of a shank and body mounting of a solid carbide composite cutting angle drill bit for preventing tipping of the drill bit according to an embodiment of the present invention;

fig. 4 is a schematic view of a first sleeve and a second sleeve of a solid carbide composite cutting angle drill to prevent tipping of the drill, in accordance with an embodiment of the present invention.

Reference numerals:

1. a drill shank; 2. a cutter body; 3. drilling a tip; 4. drilling a neck; 5. a narrow chisel edge; 6. a knife section; 7. a margin; 8. a land edge; 9. a helical groove; 10. a transverse edge; 11. a circular ring flange; 12. an auxiliary circular ring flange; 13. a first sleeve; 14. a second sleeve; 15. a nut; 16. mounting grooves; 17. a circular groove; 18. a plug slot; 19. a circular ring block; 20. inserting a block; 21. a threaded hole; 22. a threaded rod; 23. a receiving groove.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

in order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

The first embodiment is as follows:

referring to fig. 1-4, the solid carbide composite cutting angle drill for preventing the tipping of the drill according to the embodiment of the utility model includes a drill shank 1, a cutter body 2 and a drill tip 3, wherein a drill neck 4 is arranged on an outer surface of one end of the cutter body 2, a narrow chisel edge 5 is arranged on an outer surface of a front end of the drill tip 3, a cutter blade 6 is arranged on an outer surface of the cutter body 2, a cutting edge 7 is arranged on an outer surface of the cutter blade 6, a cutting edge 8 is arranged on an outer surface of one side of the cutting edge 7, a spiral groove 9 is arranged on an inner surface of the cutter blade 6, a chisel edge 10 is arranged on an outer surface of one side of the narrow chisel edge 5, an annular flange plate 11 is fixedly sleeved on an outer surface of the drill shank 1, an auxiliary annular flange plate 12 is fixedly sleeved on an outer surface of the cutter body 2, a first sleeve 13 is fixedly arranged on the annular flange plate 11 in a penetrating manner, a second sleeve 14 is fixedly arranged on the auxiliary annular flange plate 12 in a penetrating manner, the quantity of first sleeve 13 with the quantity of second sleeve 14 equals, and is a plurality of, in the first sleeve 13 the bottom with the bottom all is the flaring form outward in the second sleeve 14, bottom mosaic is equipped with nut 15 in the second sleeve 14.

Example two:

referring to fig. 1-4, an installation groove 16 is formed in the outer surface of the upper end of the drill handle 1, two groups of blade backs are formed in the outer surface of the other side of the blade 6, an anti-rust layer is uniformly coated on the outer surface of the drill handle 1, an annular groove 17 is formed in one side surface of the cutter body 2 on the drill handle 1, an insertion block groove 18 communicated with the annular groove 17 is formed in the end surface of the cutter body 2, an annular block 19 matched with the annular groove 17 is fixed at one end of the drill handle 1 on the cutter body 2, an insertion block 20 matched with the insertion block groove 18 is fixed on the drill handle 1, corresponding threaded holes 21 are formed in the auxiliary annular flange 12, the insertion block 20 and the annular block 19, a threaded rod 22 is inserted into the threaded hole 21, and the annular threaded hole 21 in the auxiliary annular flange 12 is T-shaped.

Through the scheme of the utility model, the beneficial effects are as follows: the mounting groove 16 is used for fixing the position of a drill bit, when the cutter body 2 and the drill handle 1 are mutually spliced, the ring block 19 is inserted into the insert block groove 18, the insert block 20 is inserted into the insert block groove 18, the alignment between the first sleeve 13 and the second sleeve 14 is realized, at the moment, the auxiliary ring flange 12, the insert block 20 and the ring block 19 are provided with corresponding threaded holes 21, the matching threaded rod 22 is inserted, it is noted that the threaded hole 21 on the auxiliary ring flange 12 is T-shaped, the head of the threaded rod 22 is inserted into the T-shaped head of the threaded hole 21, the tail of the threaded rod 22 is inserted into the threaded hole 21 on the other insert block 20, and the tail of the threaded rod 22 is not leaked.

Example three:

referring to fig. 4, an accommodating groove 23 is formed at the top of the first sleeve 13 and is outwardly expanded.

Through the scheme of the utility model, the beneficial effects are as follows: the head of the screw is inserted into the receiving groove 23, so that the head of the screw does not leak out, and the whole drill rod does not affect the appearance.

For the convenience of understanding the above technical solutions of the present invention, the following detailed description is made of the working principle or the operation mode of the present invention in the practical process:

in practical application, the drill handle 1 is used as a part of a drill bit which is installed in a machine, the drill neck 4 is used as a tool withdrawal clearance, the drill tip 3 bears a main cutting task, the narrow chisel edge 5 can reduce cutting resistance and is more suitable for processing cast iron materials, the cutter body 2 of the drill bit is composed of the cutter lamella 6, the cutter edge 7, the cutter edge 8, the chisel edge 10 and the spiral groove 9, the chisel edge 10 can effectively prevent the drill bit from tipping, the cost of a user is reduced to a certain extent, the drill handle 1 and the cutter body 2 are detachably mounted, when the drill handle 1 and the cutter body 2 are singly damaged, the drill handle 1 and the cutter body 2 are conveniently replaced after being dismounted, the annular flange plate 11 is fixed on the outer surface of the drill handle 1, the auxiliary annular flange plate 12 is fixed on the outer surface of the cutter body 2, when the drill handle 1 and the cutter body 2 are combined, the top of the second sleeve 14 is inserted into the inner bottom of the first sleeve 13, and then the nut 15 is embedded in the bottom of the second sleeve 14, in addition, the screw is configured to be inserted into the first sleeve 13 and the second sleeve 14, it is noted that the first sleeve 13 and the second sleeve 14 are internally threaded, the bottom of the additionally configured screw is sleeved on the nut 15, a good installation effect is achieved, the screw is inserted into the first sleeve 13 and the second sleeve 14 and does not leak out, the attractiveness is prevented from being affected, and the design of the first sleeve and the second sleeve plays a good protection role in the screw.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The integral hard alloy composite cutting angle drill bit capable of preventing the drill bit from tipping is characterized by comprising a drill handle (1), a cutter body (2) and a drill tip (3), wherein a drill neck (4) is arranged on the outer surface of one end of the cutter body (2), a narrow cross blade (5) is arranged on the outer surface of the front end of the drill tip (3), a cutter blade (6) is arranged on the outer surface of the cutter body (2), a cutter blade (7) is arranged on the outer surface of the cutter blade (6), a cutter blade edge (8) is arranged on the outer surface of one side of the cutter blade (7), a spiral groove (9) is arranged on the inner surface of the cutter blade (6), a cross blade edge (10) is arranged on the outer surface of one side of the narrow cross blade (5), a circular ring flange (11) is fixedly sleeved on the outer surface of the drill handle (1), an auxiliary circular ring flange (12) is fixedly sleeved on the outer surface of the cutter body (2), and a first sleeve (13) is fixedly arranged on the circular ring flange in a penetrating manner, fixed run-through type is equipped with second sleeve (14) on vice ring flange dish (12), the quantity of first sleeve (13) with the quantity of second sleeve (14) equals, and is a plurality of, bottom in first sleeve (13) with the bottom all is outward expansion form in second sleeve (14), bottom mosaic is equipped with nut (15) in second sleeve (14).

2. The solid carbide composite cutting angle drill for preventing the tipping of the drill bit according to claim 1, wherein the outer surface of the upper end of the drill handle (1) is provided with a mounting groove (16), the outer surface of the other side of the blade (6) is provided with two groups of blade backs, and the outer surface of the drill handle (1) is uniformly coated with an anti-rust layer.

3. The integral hard alloy composite cutting angle drill bit capable of preventing the tipping of the drill bit according to claim 1, wherein a circular groove (17) is formed in one side surface of the drill shank (1) of the cutter body (2), an insert groove (18) communicated with the circular groove (17) is formed in the end surface of the cutter body (2), a circular block (19) matched with the circular groove (17) is fixed at one end, located at the cutter body (2), of the drill shank (1), and an insert (20) matched with the insert groove (18) is fixedly arranged on the drill shank (1).

4. The solid carbide composite cutting angle drill for preventing the tipping of the drill according to claim 3, wherein the auxiliary circular ring flange (12), the insert block (20) and the circular ring block (19) are provided with corresponding threaded holes (21), a threaded rod (22) is inserted into the threaded hole (21), and the threaded hole (21) on the auxiliary circular ring flange (12) is T-shaped.

5. The solid carbide composite cutting angle drill for preventing the tipping of the drill according to claim 1, wherein the first sleeve (13) is provided with an outwardly expanding receiving groove (23) at an inner top portion thereof.