CN219169686U

CN219169686U - High wear-resisting polycrystalline diamond composite drill bit

Info

Publication number: CN219169686U
Application number: CN202223564108.2U
Authority: CN
Inventors: 赵俊彩; 吴兴宇; 曹恒华
Original assignee: Zhongdizhuang Wuxi Drilling Tools Co ltd
Current assignee: Zhongdizhuang Wuxi Drilling Tools Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-13
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of drill bits, and provides a high-wear-resistance polycrystalline diamond composite drill bit which comprises a fixing rod, a nameplate and reinforcing ribs, wherein an anti-blocking structure is fixed at one end of the fixing rod, a mounting seat is fixed at the other end of the fixing rod, and the nameplate is arranged on the outer wall, close to one end of the mounting seat, of the fixing rod. According to the utility model, the positioning structure is arranged, the fixing rod is moved, one end of the mounting seat is inserted into the clamp, the positioning piece of the clamp is moved into the chute, the fixing rod is pushed, the positioning piece of the clamp is moved into the positioning groove, the central axis of the positioning groove is in conical design through the positioning groove, and the central axis of the positioning groove is in alignment with the central axis of the positioning piece, so that the central axis of the fixing rod is in alignment with the central axis of the clamp, the shaking of the device during operation is avoided, the function of facilitating positioning of the device is realized, and the applicability of the composite drill bit during use is improved.

Description

High wear-resisting polycrystalline diamond composite drill bit

Technical Field

The utility model relates to the technical field of drill bits, in particular to a high-wear-resistance polycrystalline diamond composite drill bit.

Background

The drill bit is a cutter for drilling a through hole or a blind hole in a solid material and reaming the existing hole, and the high-wear-resistance polycrystalline diamond composite drill bit is an important part of the drill bit because of various drill bit types in the market;

for this reason, the patent with publication number CN217841536U discloses a polycrystalline diamond compact and polycrystalline diamond compact drill bit capable of rapidly adjusting working angle, the polycrystalline diamond compact comprises a cemented carbide substrate and a polycrystalline diamond layer, the polycrystalline diamond layer is arranged at the end of the cemented carbide substrate and forms a cutting face of the end, the cutting face is divided into at least two cutting areas along the circumferential direction, and the included angles between at least two cutting areas and the axial direction of the cemented carbide substrate are different. The polycrystalline diamond compact is generally cylindrical and the polycrystalline diamond layer forms a cutting face at the cutting end. The angle change of the axial included angle between the cutting area and the hard alloy matrix can cause the relief angle change, so that the polycrystalline diamond compact can be more flexibly used by arranging a plurality of cutting areas, namely, different cutting areas of the polycrystalline diamond compact can be positioned at the working position through different mounting angles, and different working angles are obtained;

the polycrystalline diamond compact capable of rapidly adjusting the working angle and the polycrystalline diamond compact drill bit are inconvenient to position, and shake is easy to occur during working, so that the applicability of the polycrystalline diamond compact is low during use.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide a high-wear-resistance polycrystalline diamond composite drill bit, which is used for solving the defect that the existing high-wear-resistance polycrystalline diamond composite drill bit is inconvenient to position.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a high wear-resisting polycrystalline diamond composite drill bit, includes dead lever, nameplate and strengthening rib, the one end of dead lever is fixed with prevents stifled structure, the other end of dead lever is fixed with the mount pad, be provided with the nameplate on the outer wall that the dead lever is close to mount pad one end;

reinforcing ribs are uniformly fixed on the outer wall of the mounting seat, which is close to one end of the fixing rod, and a positioning structure is arranged at one end, which is far away from the fixing rod, inside the mounting seat;

and a titanium alloy layer is arranged on the outer wall of the anti-blocking structure.

When the device is used, the positioning structure is arranged, so that the function of the device for positioning is realized, and the applicability of the composite drill bit in use is improved; by the anti-blocking structure, the function of the device for facilitating chip removal is realized, so that the convenience of the composite drill bit in use is improved; by arranging the titanium alloy layer, the wear resistance of the anti-blocking structure is enhanced, so that the service life of the composite drill bit is prolonged.

Preferably, the anti-blocking structure comprises a cutter head body, a cutter groove and a chip groove, wherein one end of the cutter head body is fixedly connected with one end of the fixing rod, the chip groove is uniformly formed in one side of the cutter head body, and the cutter groove is uniformly formed in the outer wall of the cutter head body. The fixing rod is fixedly connected with the clamp through the mounting seat, and the composite drill bit is gradually rotated under the driving of the unit.

Preferably, the outer diameter of the cutter head body is larger than that of the fixing rod, and the cutter grooves are distributed on the outer wall of the cutter head body at equal intervals. Moving toward the component to be machined, the machining chips are discharged through the junk slots.

Preferably, the chip grooves are distributed in an annular mode, and one end of each chip groove extends to the inside of the fixing rod. Avoiding the phenomenon of being blocked by scraps during processing.

Preferably, the reinforcing ribs are distributed on the outer wall of the mounting seat at equal intervals, one side of each reinforcing rib is fixedly connected with one side of the fixing rod, and the front view section of each reinforcing rib is triangular. Under the effect of strengthening rib, avoid taking place the fracture phenomenon between dead lever and the mount pad.

Preferably, the positioning structure comprises a chute, a limiting groove and a positioning groove, wherein the chute is arranged at one end of the installation seat, which is far away from the fixing rod, the limiting groove is arranged in the installation seat at one end of the chute, and the positioning groove is arranged in the installation seat at one end of the chute. And moving the fixing rod to enable one end of the mounting seat to be inserted into the clamp, and enabling the locating piece of the clamp to move into the chute.

Preferably, the central axis of the chute is collinear with the central axis of the fixing rod, and the positioning grooves are distributed in a conical shape. The device is prevented from shaking during working.

(III) beneficial effects

The high-wear-resistance polycrystalline diamond composite drill bit provided by the utility model has the advantages that:

through being provided with location structure, remove the dead lever, make the inside of inserting anchor clamps of one end of mount pad, make the setting element of anchor clamps move to the inside of spout, promote the dead lever, make the setting element of anchor clamps move to the inside of constant head tank, be the toper design through the constant head tank, make the axis of constant head tank and the axis of setting element collinear, and then make the axis of dead lever and the axis of anchor clamps collinear, avoided the device to produce when working and rock, realized the device and be convenient for the function of location, thereby improved the suitability of this compound drill bit when using;

through being provided with anti-blocking structure, with dead lever through mount pad and anchor clamps fixed connection, under the drive of unit, make compound drill bit rotate gradually, to the subassembly that waits to process removes, the processing piece is discharged through the junk slot, has avoided being blocked up by the piece phenomenon during processing, has realized the device and has been convenient for the function of chip removal to the convenience when using of this compound drill bit has been improved;

by arranging the titanium alloy layer, the wear resistance of the anti-blocking structure is enhanced under the action of the titanium alloy layer, so that the service life of the composite drill bit is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 3 is a schematic top view of an anti-blocking structure according to the present utility model;

FIG. 4 is an enlarged schematic view of a front section of a positioning structure according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

Reference numerals in the drawings illustrate: 1. a fixed rod; 2. an anti-blocking structure; 201. a cutter head body; 202. a knife slot; 203. a chip removal groove; 3. a nameplate; 4. reinforcing ribs; 5. a mounting base; 6. a positioning structure; 601. a chute; 602. a limit groove; 603. a positioning groove; 7. and a titanium alloy layer.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-5, the high wear-resistant polycrystalline diamond composite drill bit provided by the utility model comprises a fixing rod 1, a nameplate 3 and reinforcing ribs 4, wherein an anti-blocking structure 2 is fixed at one end of the fixing rod 1, the anti-blocking structure 2 comprises a cutter head body 201, a cutter groove 202 and a chip groove 203, one end of the cutter head body 201 is fixedly connected with one end of the fixing rod 1, the chip groove 203 is uniformly formed in one side of the cutter head body 201, the cutter groove 202 is uniformly formed in the outer wall of the cutter head body 201, the outer diameter of the cutter head body 201 is larger than that of the fixing rod 1, the cutter grooves 202 are distributed on the outer wall of the cutter head body 201 at equal intervals, the chip groove 203 is in annular distribution, and one end of the chip groove 203 extends to the inside of the fixing rod 1.

In this embodiment, the fixing rod 1 is fixedly connected with the fixture through the mounting seat 5, the composite drill bit is gradually rotated under the driving of the unit, the composite drill bit moves towards the component to be processed, and the processing chips are discharged through the chip removal groove 203, so that the phenomenon of blockage caused by the chips during processing is avoided.

Example two

The embodiment further includes: the other end of dead lever 1 is fixed with mount pad 5, be provided with nameplate 3 on the outer wall that dead lever 1 is close to mount pad 5 one end, evenly be fixed with strengthening rib 4 on the outer wall that mount pad 5 is close to dead lever 1 one end, the inside one end of keeping away from dead lever 1 of mount pad 5 is provided with location structure 6, location structure 6 includes spout 601, spacing groove 602 and constant head tank 603, spout 601 sets up in the inside one end of keeping away from dead lever 1 of mount pad 5, the inside of spout 601 one end mount pad 5 is provided with spacing groove 602, the inside that spout 601 one end mount pad 5 was kept away from to spacing groove 602 is provided with the constant head tank 603, the axis of spout 601 and the axis collineation of dead lever 1, the constant head tank 603 is the toper and distributes, be provided with titanium alloy layer 7 on the outer wall of anti-blocking structure 2, strengthening rib 4 is equidistant distribution on the outer wall of mount pad 5, one side of strengthening rib 4 and one side fixed connection of dead lever 1, the main cross-section of strengthening rib 4 is triangle-shaped design.

In this embodiment, remove dead lever 1, make the inside of anchor clamps is inserted to the one end of mount pad 5, make the setting element of anchor clamps move to the inside of spout 601, promote dead lever 1, make the setting element of anchor clamps move to the inside of constant head tank 603, be the toper design through constant head tank 603, make the axis of constant head tank 603 and the axis collineation of setting element, and then make the axis of dead lever 1 and the axis collineation of anchor clamps, avoided the device to produce and rock at the during operation, under the effect of titanium alloy layer 7, strengthened the wearability of anti-blocking structure 2.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a high wear-resisting polycrystalline diamond composite drill bit, includes dead lever (1), data plate (3) and strengthening rib (4), its characterized in that: one end of the fixed rod (1) is fixed with an anti-blocking structure (2), the other end of the fixed rod (1) is fixed with a mounting seat (5), and a nameplate (3) is arranged on the outer wall of the fixed rod (1) close to one end of the mounting seat (5);

reinforcing ribs (4) are uniformly fixed on the outer wall, close to one end of the fixed rod (1), of the mounting seat (5), and a positioning structure (6) is arranged at one end, far away from the fixed rod (1), of the mounting seat (5);

the outer wall of the anti-blocking structure (2) is provided with a titanium alloy layer (7).

2. A highly wear-resistant polycrystalline diamond compact drill bit according to claim 1, wherein: anti-blocking structure (2) are including tool bit body (201), sword groove (202) and junk slot (203), the one end of tool bit body (201) and the one end fixed connection of dead lever (1), junk slot (203) have evenly been seted up to one side of tool bit body (201), evenly be provided with sword groove (202) on the outer wall of tool bit body (201).

3. A highly wear-resistant polycrystalline diamond compact drill bit according to claim 2, wherein: the outer diameter of the cutter head body (201) is larger than that of the fixing rod (1), and the cutter grooves (202) are distributed on the outer wall of the cutter head body (201) at equal intervals.

4. A highly wear-resistant polycrystalline diamond compact drill bit according to claim 2, wherein: the chip grooves (203) are distributed in an annular mode, and one end of each chip groove (203) extends to the inside of the fixing rod (1).

5. A highly wear-resistant polycrystalline diamond compact drill bit according to claim 1, wherein: the reinforcing ribs (4) are distributed on the outer wall of the mounting seat (5) at equal intervals, one side of each reinforcing rib (4) is fixedly connected with one side of the fixing rod (1), and the front view section of each reinforcing rib (4) is in a triangular design.

6. A highly wear-resistant polycrystalline diamond compact drill bit according to claim 1, wherein: the positioning structure (6) comprises a sliding groove (601), a limiting groove (602) and a positioning groove (603), wherein the sliding groove (601) is arranged at one end, away from the fixed rod (1), of the inside of the mounting seat (5), the limiting groove (602) is arranged at one end of the sliding groove (601) in the inside of the mounting seat (5), and the positioning groove (603) is arranged at the other end of the limiting groove (602) in the inside of the mounting seat (5) away from the sliding groove (601).

7. The high wear resistant polycrystalline diamond compact drill bit according to claim 6, wherein: the central axis of the chute (601) is collinear with the central axis of the fixed rod (1), and the positioning grooves (603) are distributed in a conical shape.