CN218745063U - Novel punching drill bit - Google Patents

Abstract

The utility model relates to a drill bit technical field, the utility model provides a novel drill bit, including the balladeur train, the balladeur train rotates and is connected with the revolving rack, revolving rack threaded connection has the drill bit, balladeur train fixedly connected with slide bar, slide bar threaded connection has the holding ring, the slide bar bonds there is the briquetting, briquetting sliding connection has the base, the spring is installed to the briquetting bottom, the drill bit includes drilling rod and fluted twist drill bit, fluted twist drill bit surface coating has enhancement layer an, enhancement layer an is located the inboard of enhancement layer b, enhancement layer b surface coating has the wearing layer. The sliding frame connected with the drill bit is matched with the base to fix the drilling position during drilling, so that the drilling is prevented from being inclined; the reinforcing layer a, the reinforcing layer b and the wear-resistant layer are matched to improve the hardness and the strength of the twist drill, and passivation of the twist drill after abrasion is avoided.

Description

Novel punching drill bit

Technical Field

The utility model relates to a drill bit technical field, concretely relates to novel perforating drill bit.

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 of the drill bit, cut a workpiece and remove drill cuttings by a drill slot. Commonly used drill bits mainly include twist drills, flat drills, center drills, deep hole drills, and trepanning drills. Reamers and reamers are not capable of drilling solid materials, but they are also traditionally classified as drills.

In the prior art, in the manual drilling process after the drill bit is installed, the hand is unstable and easy to drill askew in the continuous drilling process; the drill bit continuously contacts with a workpiece to be drilled to drill, the drill bit continuously rubs with the workpiece in the drilling process, the head of the drill bit is easy to wear and passivate, and the service life is short.

Therefore, the present invention proposes a new type of drill bit to solve the above problems.

SUMMERY OF THE UTILITY MODEL

For overcoming prior art's defect, the utility model aims to provide a balladeur train that can be connected with the drill bit and base cooperation can be when drilling fixed drilling position, avoid its novel drill bit that bores askew.

In order to achieve the purpose, the technical scheme of the utility model is realized like this: the utility model provides a novel punching drill, includes the balladeur train, the balladeur train rotates and is connected with the revolving rack, revolving rack threaded connection has the drill bit, balladeur train fixedly connected with slide bar, slide bar threaded connection has the holding ring, the slide bar bonds there is the briquetting, briquetting sliding connection has the base, the spring is installed to the briquetting bottom, the drill bit includes drilling rod and fluted drill, fluted drill surface coating has enhancement layer an, enhancement layer an is located the inboard of enhancement layer b, enhancement layer b surface coating has the wearing layer.

Preferably, the drill rod is fixedly connected with a threaded frame, and the threaded frame is in threaded connection with a rotating frame.

Preferably, the side of the sliding rod is provided with scales, and the positioning ring is positioned on the outer side of the sliding rod.

Preferably, the base is provided with a sliding groove, and the sliding groove is connected with a pressing block in a sliding manner.

Preferably, the spring is located inside the sliding groove, and the base is located on the outer side of the twist drill.

Preferably, the reinforcing layer a is made of titanium, and the wear-resistant layer is made of tungsten carbide.

The beneficial effects of the utility model are embodied in:

the sliding frame connected with the drill bit is matched with the base to fix the drilling position during drilling, so that the drilling is prevented from being inclined; the drill bit is composed of a drill rod and an auger bit, a threaded frame is fixed at the drill rod and is in threaded connection with a rotating frame on a sliding frame, the rotating direction of the threads is consistent with the drilling direction of the drill bit, the drill bit is installed on an electric drill during drilling, the drill bit can slide up and down along a sliding rod by rotating a positioning ring on the sliding rod, scales are arranged on the side surface of the sliding rod, the height is read according to the scales after the position of the positioning ring is adjusted, the reading data is the drilling depth, the electric drill is moved to enable a base to be vertical to a workpiece to be drilled, the base is attached to the workpiece to be drilled, the drill bit is vertically positioned above the workpiece to be drilled, the electric drill bit is driven to rotate after being started, the drill bit rotates the revolving rack that drives the connection and rotates on the balladeur train, continuously rotate the in-process and push down the electric drill, can promote the drill bit and rotate and carry out drilling, the drill bit moves down and drives the revolving rack and the balladeur train of connection and move down, the balladeur train moves down and drives a plurality of slide bars of connection and move down, the slide bar moves down the spout lapse that the briquetting that drives the bottom offered along the base, the briquetting continues the gliding and compresses the spring, when can play the damping effect, a plurality of slide bars gliding can make the drill bit vertically move down and carry out drilling, until the holding ring supports and leans on the base surface on the slide bar, drilling finishes, the drill bit removal orbit is injectd to accessible balladeur train and base, make its vertical move down and carry out drilling, drilling effect is good.

The reinforcing layer a, the reinforcing layer b and the wear-resistant layer are matched to improve the hardness and the strength of the twist drill, so that passivation of the twist drill after abrasion is avoided; the fluted drill surface is plated the enhancement layer a that the material is titanium, it has high strength, low density and higher hardness, can improve fluted drill department intensity and hardness, enhancement layer a outside enhancement layer b forms for the chromium plating, enhancement layer b has very high hardness, less coefficient of friction, it is the lowest in all metals, event enhancement layer b has fine wearability, enhancement layer b outside material is the wearing layer spraying back infiltration fluted drill's of tungsten carbide top layer, thereby form alloyed surface strengthening layer, can improve fluted drill's hardness and intensity, accessible enhancement layer a, enhancement layer b and wearing layer cooperation improve fluted drill department's intensity and hardness, thereby improve its abrasive resistance.

Drawings

In the drawings:

fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is an overall cross-sectional view of the present invention;

FIG. 3 is a schematic diagram of a half-section structure of a top view of the base of the present invention;

fig. 4 is a schematic structural diagram of a top view of the twist drill of the present invention;

description of reference numerals:

1. a carriage; 2. rotating the frame; 3. a drill bit; 4. a slide bar; 5. a positioning ring; 6. a base; 7. calibration; 8. a threaded rack; 9. a twist drill; 10. briquetting; 11. a spring; 12. a chute; 13. a drill stem; 14. a reinforcing layer a; 15. a reinforcing layer b; 16. and a wear-resistant layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples, and it is to be understood that the described examples are only a part of the examples of the present invention, and not all of the examples. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, "a plurality" means two or more. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope claimed by the utility model.

Please refer to the attached drawings 1-4 of the specification, the utility model provides a novel drill bit, including balladeur train 1, balladeur train 1 rotates and is connected with revolving rack 2, 2 threaded connection of revolving rack have a drill bit 3, 1 fixedly connected with slide bar 4 of balladeur train, 4 threaded connection of slide bar have a holding ring 5, slide bar 4 bonds there is briquetting 10, briquetting 10 sliding connection has a base 6, spring 11 is installed to briquetting 10 bottom, drill bit 3 includes drilling rod 13 and fluted drill 9, the coating of fluted drill 9 surface has enhancement layer a14, enhancement layer a14 is located the inboard of enhancement layer b15, enhancement layer b15 surface coating has wearing layer 16. The rotating frame 2 is of an I-shaped structure, the top end of the sliding frame 1 can rotate and simultaneously drive the sliding frame 1 to slide up and down, and the drill bit 3 rotates to drive the connected rotating frame 2 to rotate.

In one embodiment, referring to fig. 2 of the specification, the drill rod 13 is fixedly connected with a threaded frame 8, and the threaded frame 8 is in threaded connection with the rotating frame 2. The thread direction of the thread frame 8 on the drill rod 13 is consistent with the rotary drilling direction of the twist drill bit 9.

In another embodiment, with continuing reference to fig. 1 of the specification, the sliding rod 4 is provided with a scale 7 on a side surface thereof, and the positioning ring 5 is located on an outer side of the sliding rod 4. The position of the positioning ring 5 can be read according to the scales arranged on the sliding rod 4, so that the drilling depth can be read.

In an embodiment, referring to fig. 2 of the specification, the base 6 is provided with a sliding groove 12, and the sliding groove 12 is slidably connected with a pressing block 10. The spring 11 is positioned inside the sliding groove 12, and the base 6 is positioned outside the twist drill 9. The spring 11 is compressed when the pressing block 10 moves up and down along the sliding groove 12 formed in the base 6, the twist drill 9 rotates on the inner side of the base 6, and the damping pads are bonded at the contact positions of the pressing block 10 and the base 6 and the spring 11.

In an embodiment, referring to fig. 4 of the specification, the material of the reinforcing layer a14 is titanium, the material of the wear-resistant layer 16 is tungsten carbide, and the reinforcing layer a14 and the wear-resistant layer 16 cooperate to improve the service life of the drill bit 3.

When the drill bit is used, the drill bit 3 consists of a drill rod 13 and a twist drill bit 9, a threaded frame 8 is fixed at the drill rod 13, the threaded frame 8 is in threaded connection with an upper rotating frame 2 of a sliding frame 1, the rotating direction of threads is consistent with the drilling direction of the drill bit 3, the drill bit 3 is installed on an electric drill during drilling, a positioning ring 5 on a rotating sliding rod 4 can slide up and down along the sliding rod 4, scales 7 are arranged on the side surface of the sliding rod 4, the height is read according to the scales 7 after the position of the positioning ring 5 is adjusted, the reading data is the drilling depth, the electric drill is moved to enable a base 6 to be vertical to a workpiece to be drilled, the base 6 is attached to the workpiece to be drilled, the drill bit 3 is vertically positioned above the workpiece to be drilled at the moment, the electric drill bit 3 is driven to rotate after the electric drill bit is started, the drill bit 3 rotates to drive the connected rotating frame 2 to rotate on the sliding frame 1, the electric drill bit is pressed downwards during continuous rotation, the drill bit 3 can be driven to rotate to drill, the rotating frame 2 and the sliding frame 1 to move downwards, the sliding frame 1 moves downwards to drive the connected sliding rods 4 to move downwards, the sliding rods 4 move downwards to drive the pressing block 10 at the bottom end to slide downwards along the sliding groove 12 formed in the base 6, the pressing block 10 continuously slides downwards to compress the spring 11, the sliding rods 4 slide downwards to enable the drill bit 3 to vertically move downwards to drill holes while playing a role in vibration reduction, the positioning ring 5 on the sliding rod 4 abuts against the surface of the base 6, the drill hole is drilled, the moving track of the drill bit 3 can be limited through the sliding frame 1 and the base 6, the drill bit 3 can vertically move downwards to drill holes, the surface of the twist drill bit 9 is plated with a reinforcing layer a14 made of titanium, the reinforcing layer a14 has high strength, low density and high hardness, the strength and hardness of the twist drill bit 9 can be improved, a reinforcing layer b15 on the outer side of the reinforcing layer a14 is made of chromium plating, the reinforcing layer b15 has high hardness and small friction coefficient, and is the lowest among all metals, therefore, the reinforcing layer b15 has good wear resistance, the wear-resistant layer 16 made of tungsten carbide and arranged outside the reinforcing layer b15 is sprayed and then infiltrated into the surface layer of the twist drill bit 9, so that an alloyed surface reinforcing layer is formed, the hardness and strength of the twist drill bit 9 can be improved, and the strength and hardness of the twist drill bit 9 can be improved by matching the reinforcing layer a14, the reinforcing layer b15 and the wear-resistant layer 16, so that the wear resistance of the twist drill bit is improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a novel drill bit, its characterized in that includes balladeur train (1), balladeur train (1) rotates and is connected with revolving rack (2), revolving rack (2) threaded connection has drill bit (3), balladeur train (1) fixedly connected with slide bar (4), slide bar (4) threaded connection has holding ring (5), slide bar (4) bond there is briquetting (10), briquetting (10) sliding connection has base (6), spring (11) are installed to briquetting (10) bottom, drill bit (3) are including drilling rod (13) and twist drill (9), twist drill (9) surface coating has enhancement layer a (14), enhancement layer a (14) are located the inboard of enhancement layer b (15), enhancement layer b (15) surface coating has wearing layer (16).

2. A new type of perforating drill bit as claimed in claim 1, characterized in that said drill rod (13) is fixedly connected with a threaded frame (8), said threaded frame (8) being threadedly connected with a rotating frame (2).

3. A novel hole-piercing drill bit as claimed in claim 1, characterized in that the slide rod (4) is provided with graduations (7) on the side thereof, and the positioning ring (5) is located on the outside of the slide rod (4).

4. A novel hole-punching drill bit according to claim 1, characterized in that the base (6) is provided with a sliding slot (12), and the sliding slot (12) is slidably connected with a pressing block (10).

5. A new type of hole punch bit according to claim 1, characterized in that the spring (11) is located inside the slide groove (12) and the seat (6) is located outside the twist bit (9).

6. The novel drill bit as claimed in claim 1, characterized in that the reinforcing layer a (14) is made of titanium and the wear resistant layer (16) is made of tungsten carbide.

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