CN214134132U

CN214134132U - High-toughness drill bit for numerically controlled lathe

Info

Publication number: CN214134132U
Application number: CN202023051296.XU
Authority: CN
Inventors: 郭鹏; 方文伟
Original assignee: Huangshi Pumice Cnc Technology Co ltd
Current assignee: Huangshi Pumice Cnc Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-09-07
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a high-toughness drill bit for a numerical control lathe, which comprises a drill bit, wherein a first fixed block is fixed at the top end of the drill bit, a third limiting groove is formed in the first fixed block, a second limiting groove is formed in the inner wall surface of the third limiting groove in a penetrating manner, a connecting block is arranged at the top end of the drill bit, a first limiting groove is formed in the connecting block, the first fixed block is embedded into the first limiting groove, and a second fixed block is fixed at the bottom end of the first limiting groove; through the first fixed block, the second fixed block, the fixture block, the connecting rod, the sliding block, first sliding tray, second sliding tray, first spacing groove, second spacing groove, third spacing groove, draw-in groove of design, the drill bit is conveniently installed on corresponding equipment, loaded down with trivial details operation when having avoided using the bolt, has saved the time, has improved work efficiency.

Description

High-toughness drill bit for numerically controlled lathe

Technical Field

The utility model belongs to the technical field of the drill bit, concretely relates to numerical control lathe is with drill bit of high tenacity.

Background

The drill bit is a cutting tool used by a typical drill or drilling machine to cut a circular hole. The basic principle of the drill bit is to rotate the edge cutting of the drill bit, cut a workpiece and remove drill cuttings through a drill slot. Commonly used drill bits mainly include twist drills, flat drills, center drills, deep hole drills, and trepanning drills. Although the reamer and the countersink cannot drill holes on solid materials, the reamer and the countersink are also customarily classified into a drill bit, which are made of alloy materials and have high toughness.

The existing high-toughness drill bit for the numerical control lathe is generally connected to corresponding equipment through a bolt when being used, the connection mode is complex in installation and disassembly, tools need to be used, the time spent is long, the working efficiency is reduced, and when a deep hole is drilled, a user inconveniently grasps the depth, the drill bit is easy to drill through, the product is unqualified, and therefore a structure needs to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a numerical control lathe is with drill bit of high tenacity to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-toughness drill bit for a numerical control lathe comprises a drill bit, wherein a first fixing block is fixed at the top end of the drill bit, a third limiting groove is formed in the first fixing block, a second limiting groove is formed in the inner wall surface of the third limiting groove in a penetrating mode, a connecting block is arranged at the top end of the drill bit, a first limiting groove is formed in the connecting block, the first fixing block is embedded into the first limiting groove, a second fixing block is fixed at the bottom end of the first limiting groove, a clamping groove is formed in one end of the second fixing block, the second fixing block is embedded into the third limiting groove, a second sliding groove is formed in one end of the connecting block, a first sliding groove with an L-shaped structure in cross section is formed in the bottom end of the second sliding groove, and a through hole communicated with the first limiting groove is formed in the inner wall surface of the first sliding groove in a penetrating mode, the connecting rod that the cross-section is "L" type structure is placed to the inside of first sliding tray, the one end of connecting rod is fixed with the fixture block, the one end of fixture block runs through the inside of through-hole and second spacing groove embedding to the draw-in groove, the other end embedding of connecting rod to the inside of second sliding tray, the other end of connecting rod is fixed with the sliding block, the other end surface cover of connecting rod is equipped with the spring, the one end of spring and the bottom fixed connection of second sliding tray, the other end and the sliding block fixed connection of spring.

Preferably, a soft pad is fixed at one end of the sliding block, and the soft pad is a rubber component.

Preferably, a plurality of holding tanks have been seted up to the equidistance symmetry in surface of drill bit, the surface cover of drill bit is equipped with first baffle and second baffle, the inboard of first baffle and second baffle all is fixed with the dog, the dog imbeds to the inside of corresponding holding tank, the both ends symmetry of first baffle is fixed with two second metal blocks, two the fixed slot has all been seted up on the top of second metal block, the both ends symmetry of second baffle is fixed with two first metal blocks, two the inside of first metal block all runs through and has seted up the fourth spacing groove, two first metal block is in the top of two second metal blocks respectively, the bayonet lock has been run through to the inside of fourth spacing groove, the bottom of bayonet lock imbeds to the inside of fixed slot.

Preferably, a plurality of protrusions are fixed on the inner wall surfaces of the fixing groove and the fourth limiting groove, and each protrusion is tightly attached to the surface of the clamping pin.

Preferably, the first fixing block and the second fixing block are both of a cuboid structure, and a zinc coating is arranged on the surface of the drill bit.

Preferably, the bottom end surface of the drill is provided with a cutting edge, and the cutting edge comprises four cutting edges.

Preferably, a chip groove is formed between each cutting edge, and a spiral angle of thirty-five degrees is formed between the central axis of the drill and each cutting edge.

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

1. through the first fixed block, the second fixed block, the fixture block, the connecting rod, the sliding block, first sliding tray, second sliding tray, first spacing groove, second spacing groove, third spacing groove, draw-in groove of design, the drill bit is conveniently installed on corresponding equipment, loaded down with trivial details operation when having avoided using the bolt, has saved the time, has improved work efficiency.

2. Through the first baffle, second baffle, dog, holding tank, first metal block, second metal block, bayonet lock, fixed slot, fourth spacing groove of design, can restrict drilling depth, avoid because of unexpected operation, lead to the product unqualified, the high as required adjustment of first baffle and second baffle moreover, the flexibility is high.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2 according to the present invention;

FIG. 4 is a front cross-sectional view of the area B of FIG. 1 according to the present invention;

fig. 5 is a top cross-sectional view of the junction of the first baffle and the second baffle of the present invention.

In the figure: 1. a drill bit; 2. connecting blocks; 3. a first baffle plate; 4. a second baffle; 5. a first fixed block; 6. a first limit groove; 7. accommodating grooves; 8. a first sliding groove; 9. a second limit groove; 10. a connecting rod; 11. a second fixed block; 12. a third limiting groove; 13. a second sliding groove; 14. a slider; 15. a clamping block; 16. a card slot; 17. a first metal block; 18. a second metal block; 19. fixing grooves; 20. a fourth limit groove; 21. and a stop block.

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.

Example 1

Referring to fig. 1 to 3, the present invention provides a technical solution: a high-toughness drill bit for a numerical control lathe comprises a drill bit 1, wherein a first fixing block 5 is fixed at the top end of the drill bit 1, a third limiting groove 12 is formed in the first fixing block 5, a second limiting groove 9 is formed in the inner wall surface of the third limiting groove 12 in a penetrating mode, a connecting block 2 is arranged at the top end of the drill bit 1, a first limiting groove 6 is formed in the connecting block 2, the first fixing block 5 is embedded into the first limiting groove 6, a second fixing block 11 is fixed at the bottom end of the first limiting groove 6, a clamping groove 16 is formed in one end of the second fixing block 11, the second fixing block 11 is embedded into the third limiting groove 12, a second sliding groove 13 is formed in one end of the connecting block 2, a first sliding groove 8 with an L-shaped structure in cross section is formed in the bottom end of the second sliding groove 13, a through hole communicated with the first limiting groove 6 is formed in the inner wall surface of the first sliding groove 8 in a penetrating mode, a connecting rod 10 with an L-shaped cross section is placed in the first sliding groove 8, one end of the connecting rod 10 is fixed with a fixture block 15, one end of the fixture block 15 penetrates through the through hole and the second limiting groove 9 to be embedded into the clamping groove 16, the other end of the connecting rod 10 is embedded into the second sliding groove 13, the other end of the connecting rod 10 is fixed with a sliding block 14, the drill bit 1 is conveniently installed on corresponding equipment through the designed first fixing block 5, the second fixing block 11, the fixture block 15, the connecting rod 10, the sliding block 14, the first sliding groove 8, the second sliding groove 13, the first limiting groove 6, the second limiting groove 12, the third limiting groove 12 and the clamping groove 16, the complex operation when using bolts is avoided, the time is saved, the working efficiency is improved, the other end surface of the connecting rod 10 is sleeved with a spring, one end of the spring is fixedly connected with the bottom end of the second sliding groove 13, the other end of spring and sliding block 14 fixed connection, sliding block 14's one end is fixed with the cushion, and the cushion is the rubber material component.

In this embodiment, preferably, the first fixing block 5 and the second fixing block 11 are both rectangular structures, and a zinc coating is disposed on the surface of the drill bit 1, so that the zinc coating can prevent the surface of the drill bit 1 from being corroded.

In this embodiment, it is preferable that the bottom end surface of the drill bit 1 is provided with a blade, which can cut an object, and the blade includes four lands.

In this embodiment, preferably, a chip discharge groove is formed between each cutting edge, the chip discharge groove facilitates discharge of waste chips, and a spiral angle of thirty-five degrees is formed between the central axis of the drill bit 1 and each cutting edge.

Example 2

Referring to fig. 1 to 5, the present invention provides a technical solution: a high-toughness drill bit for a numerical control lathe comprises a drill bit 1, wherein a first fixing block 5 is fixed at the top end of the drill bit 1, a third limiting groove 12 is formed in the first fixing block 5, a second limiting groove 9 is formed in the inner wall surface of the third limiting groove 12 in a penetrating mode, a connecting block 2 is arranged at the top end of the drill bit 1, a first limiting groove 6 is formed in the connecting block 2, the first fixing block 5 is embedded into the first limiting groove 6, a second fixing block 11 is fixed at the bottom end of the first limiting groove 6, a clamping groove 16 is formed in one end of the second fixing block 11, the second fixing block 11 is embedded into the third limiting groove 12, a second sliding groove 13 is formed in one end of the connecting block 2, a first sliding groove 8 with an L-shaped structure in cross section is formed in the bottom end of the second sliding groove 13, a through hole communicated with the first limiting groove 6 is formed in the inner wall surface of the first sliding groove 8 in a penetrating mode, a connecting rod 10 with an L-shaped cross section is placed in the first sliding groove 8, one end of the connecting rod 10 is fixed with a fixture block 15, one end of the fixture block 15 penetrates through the through hole and the second limiting groove 9 to be embedded into the clamping groove 16, the other end of the connecting rod 10 is embedded into the second sliding groove 13, the other end of the connecting rod 10 is fixed with a sliding block 14, the drill bit 1 is conveniently installed on corresponding equipment through the designed first fixing block 5, the second fixing block 11, the fixture block 15, the connecting rod 10, the sliding block 14, the first sliding groove 8, the second sliding groove 13, the first limiting groove 6, the second limiting groove 12, the third limiting groove 12 and the clamping groove 16, the complex operation when using bolts is avoided, the time is saved, the working efficiency is improved, the other end surface of the connecting rod 10 is sleeved with a spring, one end of the spring is fixedly connected with the bottom end of the second sliding groove 13, the other end of spring and sliding block 14 fixed connection, sliding block 14's one end is fixed with the cushion, and the cushion is the rubber material component.

In this embodiment, preferably, a plurality of accommodating grooves 7 are symmetrically formed in the surface of the drill bit 1 at equal intervals, the surface of the drill bit 1 is sleeved with a first baffle plate 3 and a second baffle plate 4, the inner sides of the first baffle plate 3 and the second baffle plate 4 are both fixed with a stopper 21, the stopper 21 is embedded into the corresponding accommodating groove 7, two second metal blocks 18 are symmetrically fixed at two ends of the first baffle plate 3, the top ends of the two second metal blocks 18 are both provided with a fixing groove 19, two first metal blocks 17 are symmetrically fixed at two ends of the second baffle plate 4, a fourth limiting groove 20 is formed in the two first metal blocks 17 in a penetrating manner, the two first metal blocks 17 are respectively located at the tops of the two second metal blocks 18, a bayonet pin penetrates through the inside of the fourth limiting groove 20, and the designed first baffle plate 3, the second baffle plate 4, the stopper 21, the accommodating grooves 7, the first metal blocks 17 and the second metal blocks 18 are arranged in a penetrating manner, Bayonet lock, fixed slot 19, fourth spacing groove 20 can restrict drilling depth, avoid because of unexpected operation, lead to the product unqualified, and first baffle 3 can be adjusted as required with the height of second baffle 4 moreover, and the flexibility is high, and the bottom of bayonet lock is embedded into to the inside of fixed slot 19.

In this embodiment, preferably, a plurality of protrusions are fixed on the inner wall surfaces of the fixing groove 19 and the fourth limiting groove 20, the protrusions can improve the stability of the bayonet lock, and each protrusion is tightly attached to the surface of the bayonet lock.

The utility model discloses a theory of operation and use flow: when the utility model is used, the drill bit 1 is firstly installed on corresponding equipment, the sliding block 14 is pressed to slide in the second sliding groove 13, at the moment, the sliding block 14 extrudes the spring to shrink the spring under stress, the sliding block 14 slides and simultaneously drives the connecting rod 10 to slide in the same direction in the first sliding groove 8 and the second sliding groove 13, the connecting rod 10 drives the clamping block 15 to slide in the same direction in the through hole, the second limiting groove 9 and the third limiting groove 12, the sliding block 14 is continuously pressed until the clamping block 15 completely slides out of the clamping groove 16, then the first fixing block 5 is embedded into the first limiting groove 6, the second fixing block 11 is embedded into the third limiting groove 12, after the complete embedding, the pressed sliding block 14 is released, the spring pushes the sliding block 14 after losing the extrusion, so that the connecting rod 10 is driven to reversely slide in the first sliding groove 8 and the second sliding groove 13, the connecting rod 10 drives the clamping block 15 to reversely slide in the through hole and the second limiting groove 9 until one end of the clamping block 15 is embedded into the clamping groove 16, so that the drill bit 1 is fixed, the structure avoids the complex operation when using bolts, saves time, improves working efficiency, if the device works, in order to prevent the phenomenon that the drill hole is too deep due to accidental operation, so that the product is unqualified, the first baffle plate 3 and the second baffle plate 4 can be arranged on the surface of the device, the baffle blocks 21 on the inner sides of the first baffle plate 3 and the second baffle plate 4 are embedded into the corresponding accommodating grooves 7, at the moment, the second metal blocks 18 at the two ends of the first baffle plate 3 and the first metal blocks 17 at the two ends of the second baffle plate 4 are respectively overlapped, then the clamping pin penetrates through the fourth limiting groove 20 to be embedded into the fixing groove 19, and the first baffle plate 3 and the second baffle plate 4 are arranged on the surface of the drill bit 1, the drilling depth can be limited.

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 drill bit of high tenacity for numerically controlled lathe, includes drill bit (1), its characterized in that: a first fixing block (5) is fixed at the top end of the drill bit (1), a third limiting groove (12) is formed in the first fixing block (5), a second limiting groove (9) is formed in the inner wall surface of the third limiting groove (12) in a penetrating mode, a connecting block (2) is arranged at the top end of the drill bit (1), a first limiting groove (6) is formed in the connecting block (2), the first fixing block (5) is embedded into the first limiting groove (6), a second fixing block (11) is fixed at the bottom end of the first limiting groove (6), a clamping groove (16) is formed in one end of the second fixing block (11), the second fixing block (11) is embedded into the third limiting groove (12), a second sliding groove (13) is formed in one end of the connecting block (2), a first sliding groove (8) with an L-shaped structure in cross section is formed in the bottom end of the second sliding groove (13), the inner wall surface of first sliding tray (8) runs through and sets up the through-hole that is linked together with first spacing groove (6), connecting rod (10) that the cross-section is "L" type structure are placed to the inside of first sliding tray (8), the one end of connecting rod (10) is fixed with fixture block (15), the one end of fixture block (15) runs through the inside that through-hole and second spacing groove (9) embedded into draw-in groove (16), the other end embedding of connecting rod (10) is to the inside of second sliding tray (13), the other end of connecting rod (10) is fixed with sliding block (14), the other end surface cover of connecting rod (10) is equipped with the spring, the one end of spring and the bottom fixed connection of second sliding tray (13), the other end and sliding block (14) fixed connection of spring.

2. The drill with high toughness for the numerically controlled lathe according to claim 1, wherein: one end of the sliding block (14) is fixed with a soft pad which is a rubber component.

3. The drill with high toughness for the numerically controlled lathe according to claim 1, wherein: the drill bit comprises a drill bit (1), wherein a plurality of accommodating grooves (7) are symmetrically formed in the surface of the drill bit (1) at equal intervals, a first baffle plate (3) and a second baffle plate (4) are sleeved on the surface of the drill bit (1), stop blocks (21) are fixed on the inner sides of the first baffle plate (3) and the second baffle plate (4), the stop blocks (21) are embedded into the corresponding accommodating grooves (7), two second metal blocks (18) are symmetrically fixed at the two ends of the first baffle plate (3), fixing grooves (19) are formed in the top ends of the two second metal blocks (18), two first metal blocks (17) are symmetrically fixed at the two ends of the second baffle plate (4), a fourth limiting groove (20) is formed in the inner parts of the two first metal blocks (17) in a penetrating manner, the first metal blocks (17) are respectively positioned at the tops of the two second metal blocks (18), and clamping pins are penetrated in the fourth limiting groove (20), the bottom end of the clamping pin is embedded into the fixing groove (19).

4. The drill with high toughness for the numerically controlled lathe according to claim 3, wherein: and a plurality of bulges are fixed on the surfaces of the inner walls of the fixing groove (19) and the fourth limiting groove (20), and each bulge is tightly attached to the surface of the clamping pin.

5. The drill with high toughness for the numerically controlled lathe according to claim 1, wherein: the drill bit is characterized in that the first fixing block (5) and the second fixing block (11) are both of cuboid structures, and a zinc coating is arranged on the surface of the drill bit (1).

6. The drill with high toughness for the numerically controlled lathe according to claim 1, wherein: the bottom end surface of the drill bit (1) is provided with a cutting edge, and the cutting edge comprises four cutting edges.

7. The drill with high toughness for the numerically controlled lathe according to claim 6, wherein: a chip groove is formed between each cutting edge, and a spiral angle of thirty-five degrees is formed between the central axis of the drill bit (1) and each cutting edge.