Drill bit capable of improving drilling efficiency

By designing a drill bit with a slot clamping mechanism, positioning block, and chip removal groove, the problems of drill bit positioning and chip removal on hard materials were solved, thereby improving drilling efficiency and lifespan.

CN223946880UActive Publication Date: 2026-02-27DONGGUAN RUINA PRECISION TOOL CO LTD
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Patent Information

Application Number
CN202520464813.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-02-27
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

Existing drill bits require a positioning hole to be made at the drilling location before machining hard materials, and frequent drill bit changes result in low efficiency.

Method used

A drill bit structure including a tool holder, a chuck, a main rod, a stepped drill bit, a main chip removal groove, and a secondary chip removal groove is designed. The drill bit is clamped on a milling machine by the chuck, and a positioning block drills a positioning hole on the material surface. Waste chips are discharged through the chip removal groove, and coolant is cooled through the main rod groove. It is suitable for machining holes of various diameters.

Benefits of technology

This technology ensures that the drill bit does not deviate on hard materials, that waste chips are smoothly discharged, that the coolant is cooled, that drill bit replacement is avoided, and that processing efficiency and drill bit life are improved.

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Abstract

The utility model relates to the technical field of machining, in particular to a drill bit capable of improving drilling efficiency. According to the technical scheme, the drilling tool comprises a tool handle, clamping grooves are formed in the two sides of the tool handle, a main rod is fixedly installed at one end of the tool handle, a stepped drill bit is arranged on the outer wall of the main rod, and main chip grooves are formed in the two sides of the stepped drill bit. When the device is used, the drill bit is installed on the milling machine, the milling machine clamps the cutter handle through the clamping groove, the positioning block firstly makes contact with a material in the drilling process, a positioning hole can be drilled in the surface of the material firstly, and the drill bit can be prevented from shifting in the drilling process; when holes with various diameters need to be machined, the diameters of the holes can be controlled through the drilling depth, machining can be conducted without replacing a drill bit, in the drilling process, cooling liquid can flow to a water outlet through a main rod groove, the drill bit can be cooled in real time, and the service life of the drill bit can be prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field, concretely is a drill bit of improving drilling efficiency. BACKGROUND

[0002] Drill bit is the cutting tool that general drill or drilling machine adopts to cut out the round hole, and the basic principle of drill bit is to make drill bit cutting edge rotate, cut workpiece, and then remove drill chips by drill groove, commonly used drill bits mainly have twist drill, flat drill, center drill, deep hole drill and sleeve drill, although counterbore drill cannot drill holes on solid material, but it is also classified as drill bit, but in actual use, similar drill bits still have many defects, for example, the existing drill bit needs to make positioning hole at the position of punching first when encountering hard material during machining work, so that the drill bit can be conveniently drilled, and the drill bit needs to be frequently replaced when processing holes with various diameters, so that the efficiency is low and time is wasted. SUMMARY

[0003] The utility model discloses a drill bit of improving drilling efficiency, to solve the problem in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a drill bit of improving drilling efficiency, including tool holder, the both sides of tool holder are equipped with the clamping groove, one end of tool holder is equipped with the main rod, the outer wall of main rod is provided with the stepped drill bit, and the both sides of stepped drill bit are equipped with main chip removal groove.

[0005] When the drill bit of improving drilling efficiency is used, the drill bit is installed on the milling machine, the tool holder is clamped by the clamping groove, the positioning block contacts the material first during drilling, a positioning hole can be drilled on the surface of the material, the position of the drill bit can be prevented from deviating during drilling, the waste chips generated during drilling can be discharged through the secondary chip removal groove after the threaded drill bit is drilled, the diameter of the hole can be controlled by the drilling depth when holes with various diameters need to be processed, the drill bit does not need to be replaced and can be processed, the cooling liquid can flow to the water outlet through the main rod groove during drilling, the drill bit can be cooled in real time, and the service life of the drill bit is prolonged.

[0006] As a preferred technical scheme of the utility model, one end of the main rod is provided with a threaded drill bit, the threaded drill bit is provided with a secondary chip removal groove on the two sides, and the secondary chip removal groove is communicated with the main chip removal groove.

[0007] As a preferred technical scheme of the utility model, the main rod groove is formed in the center of the main rod, a plurality of water outlets are formed in the inner part of the main chip removal groove on the outer wall of the main rod, and the plurality of water outlets are communicated with the main rod groove; the water outlet is arranged, the cooling liquid can flow out through the water outlet during drilling, and the drill bit is cooled.

[0008] As a preferred technical scheme of the utility model, the threaded drill bit is fixedly provided with a positioning block at the center of one end, the positioning block is made of tungsten steel, and the positioning block has high hardness and good toughness, and is suitable for high-speed cutting.

[0009] As a preferred technical scheme of the utility model, the stepped drill bit is made of hard alloy material, and the surface of the stepped drill bit is coated with TIN material.

[0010] As a preferred technical scheme of the utility model, the threaded drill bit is made of HSSE material, and the positioning block is embedded and welded at the bottom end of the threaded drill bit; the threaded drill bit made of HSSE material has sufficient wear resistance and good heat resistance, and can prevent damage during processing.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. When the drill bit for improving drilling efficiency is used, the drill bit is installed on the milling machine, the milling machine clamps the tool shank through the clamping groove, the positioning block first contacts the material during drilling, a positioning hole can be drilled on the surface of the material, the position of the drill bit can be prevented from deviating during drilling, the drill chips can be discharged through the auxiliary chip removal groove after the threaded drill bit is drilled, the diameter of the hole can be controlled by the drilling depth when holes with various diameters need to be processed, and the drill bit does not need to be replaced for processing.

[0013] 2. The main rod groove is arranged, the cooling liquid can flow to the water outlet through the main rod groove during drilling, the drill bit can be cooled in real time, and the service life of the drill bit is increased. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic view of the utility model;

[0015] Figure 2 It is a front view structural schematic view of the utility model;

[0016] Figure 3 It is a bottom end structural schematic view of the utility model;

[0017] Figure 4 It is a half cut structural schematic view of the utility model.

[0018] In the drawing: 1, tool shank; 2, clamping groove; 3, main rod; 4, water outlet; 5, stepped drill bit; 6, threaded drill bit; 7, positioning block; 8, main rod groove; 9, main chip removal groove; 10, auxiliary chip removal groove. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.

[0020] Embodiment one

[0021] As shown in Figure 1 - Figure 4 The utility model provides a drill bit of improving drilling efficiency, including handle 1, handle 1 both sides are seted up with clamping slot 2, one end of handle 1 is fixedly installed with main rod 3, the outer wall of main rod 3 is provided with ladder drill 5, and the both sides of ladder drill 5 are seted up with main chip flute 9.

[0022] One end of main rod 3 is provided with threaded drill 6, and threaded drill 6 is seted up with vice chip flute 10 on both sides, and vice chip flute 10 is communicated with main chip flute 9.

[0023] The center of main rod 3 is seted up with main rod groove 8, and the outer wall of main rod 3 is seted up with a plurality of groups of water outlets 4 inside main chip flute 9, and a plurality of groups of water outlets 4 are communicated with main rod groove 8.

[0024] The working principle of the drill bit of improving drilling efficiency based on embodiment 1 is as follows: when the drill bit of improving drilling efficiency is used, the drill bit is installed on the milling machine, the milling machine clamps handle 1 through clamping slot 2, positioning block 7 contacts the material first in the process of drilling, a positioning hole can be drilled on the surface of the material first, the position of the drill bit can be prevented from deviating when drilling, the waste chips generated during drilling can be discharged through vice chip flute 10 after threaded drill 6 is drilled, when holes of various diameters need to be machined, the diameter of the hole can be controlled by the drilling depth, the drill bit does not need to be replaced and machining can be carried out, and the cooling liquid can flow to water outlet 4 through main rod groove 8 during drilling, the drill bit can be cooled in real time, and the service life of the drill bit is increased.

[0025] Embodiment two

[0026] As shown in Figure 1 - Figure 4 Compared with embodiment one, the drill bit of improving drilling efficiency provided by the utility model further includes that one end of threaded drill 6 is fixedly provided with positioning block 7 at the center, positioning block 7 is made of tungsten steel, ladder drill 5 is made of hard alloy material, the surface of ladder drill 5 is coated with TIN material, threaded drill 6 is made of HSSE material, and positioning block 7 is embedded and welded at the bottom end of threaded drill 6.

[0027] In the embodiment, as shown in Figure 1 Cooling liquid can flow out through water outlet 4 during drilling, and the drill bit can be cooled; as shown in Figure 3 Positioning block 7 is made of tungsten steel, so that positioning block 7 has high hardness and good toughness and is suitable for high-speed cutting; as shown in Figure 3As shown, by adopting HSSE material for the threaded drill bit 6, the threaded drill bit 6 has sufficient wear resistance and good heat resistance, so as to prevent damage during the machining process.

[0028] The above specific embodiments are only several preferred technical scheme embodiments of the utility model, and based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A drill bit for improving the efficiency of drilling a borehole, comprising a shank (1), characterised in that: The cutter handle (1) is provided with clamping grooves (2) on both sides, one end of the cutter handle (1) is fixedly provided with a main rod (3), the outer wall of the main rod (3) is provided with a stepped drill bit (5), both sides of the stepped drill bit (5) are provided with main chip removal grooves (9); One end of the main rod (3) is provided with a threaded drill bit (6), both sides of the threaded drill bit (6) are provided with auxiliary chip removal grooves (10), the auxiliary chip removal grooves (10) are communicated with the main chip removal grooves (9); The center of the main rod (3) is provided with a main rod groove (8), the outer wall of the main rod (3) is provided with a plurality of groups of water outlets (4) inside the main chip removal grooves (9), the plurality of groups of water outlets (4) are communicated with the main rod groove (8).

2. The drill bit of claim 1, wherein: One end of the threaded drill bit (6) is fixedly provided with a positioning block (7), the positioning block (7) is made of tungsten steel.

3. The drill bit of claim 1, wherein: The stepped drill bit (5) is made of hard alloy material, and the surface of the stepped drill bit (5) is coated with TIN material.

4. The drill bit of claim 2, wherein: The threaded drill bit (6) is made of HSSE material, and the positioning block (7) is embedded and welded at the bottom end of the threaded drill bit (6).