CN220302066U

CN220302066U - Concave-convex tooth-shaped diamond engineering thin-wall drill bit

Info

Publication number: CN220302066U
Application number: CN202321799360.3U
Authority: CN
Inventors: 张建立; 史文龙
Original assignee: Shijiazhuang Hisun Tools Co ltd
Current assignee: Shijiazhuang Hisun Tools Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-01-05
Anticipated expiration: 2033-07-10

Abstract

The utility model belongs to the field of drill bits, in particular to a concave-convex toothed diamond engineering thin-wall drill bit, which aims at the problems that the existing waste blocks generated by drilling are easy to embed into the drill bit during drilling operation, are inconvenient to manually take out and influence the operation efficiency; the crushing mechanism comprises the center column, waste blocks in the drill bit main body can be crushed, the condition that the waste blocks are embedded into the drill bit main body and are difficult to take out is avoided, the flowing resistance of waste can be reduced, and the efficiency of drilling operation is improved.

Description

Concave-convex tooth-shaped diamond engineering thin-wall drill bit

Technical Field

The utility model relates to the technical field of drill bits, in particular to a concave-convex tooth-shaped diamond engineering thin-wall drill bit.

Background

The drill bit is various in types, and comprises a diamond engineering thin-wall drill bit, wherein the diamond engineering thin-wall drill bit is simple in structure, has high-strength, high-wear-resistance and shock-resistance drilling capability, and is mainly used for drilling reinforced cement, stone, refractory bricks and asphalt pavement.

The existing diamond engineering thin-wall drill bit mainly comprises a drill joint, a drill bit main body and a plurality of drill bits, and when the existing diamond engineering thin-wall drill bit is used, drilling is carried out by means of rotation of the plurality of drill bits, but the existing diamond engineering thin-wall drill bit has the following defects when in use:

1. when carrying out drilling operation, the waste material piece that drilling produced is embedded into the drill bit inside easily, and the manual work is taken out comparatively inconveniently, and has influenced operating efficiency.

Aiming at the problems, the utility model provides a concave-convex tooth-shaped diamond engineering thin-wall drill bit.

Disclosure of Invention

The utility model provides a diamond engineering thin-wall drill bit with concave-convex tooth shape, which solves the defects that in the prior art, when drilling operation is carried out, waste blocks generated by drilling are easy to embed into the drill bit, manual extraction is inconvenient, and the operation efficiency is affected.

The utility model provides the following technical scheme:

a diamond engineered thin-walled bit of concave-convex profile comprising:

the drilling machine connector is characterized in that two positioning grooves are formed in the outer wall of the drilling machine connector, the two positioning grooves are symmetrically arranged, the bottom of the drilling machine connector is fixedly connected with a drill bit main body, a plurality of cutter heads are arranged at the bottom of the drill bit main body, tooth grooves are formed between every two adjacent cutter heads, and a crushing mechanism is arranged on the inner side of the drill bit main body;

the crushing mechanism comprises a central column, a bottom cone is arranged at the bottom of the central column, a plurality of spiral blades are fixedly connected to the outer wall of the central column, and the spiral blades are fixed with the drill bit main body.

In one possible design, the tops of the plurality of tooth slots are each provided with a guide slot.

In one possible design, the outer wall of the bit body is provided with a plurality of chip ejection holes therethrough.

In one possible embodiment, at least two crushing mechanisms are provided, and two adjacent crushing mechanisms are arranged in a staggered manner.

In one possible design, the outer wall of the central column is provided with a plurality of junk slots.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

According to the utility model, through the arrangement of the plurality of structures such as the center column, the bottom cone part, the spiral blade and the like, when the waste blocks enter the drill bit main body during drilling operation, the spiral blade can crush the waste blocks, at least two dislocated crushing mechanisms can crush the waste blocks for more than two times, the waste blocks can be crushed into a plurality of small blocks, the situation that the waste blocks are embedded into the drill bit main body and are difficult to take out is avoided, and the efficiency of the drilling operation is further improved;

according to the utility model, through the arrangement of the guide groove and the chip removal groove, the guide groove can guide the waste, the waste is led into the guide groove from the tooth slot, the flowing resistance of the waste is reduced, the drilling efficiency is further improved, the middle part of the waste block can be crushed by the chip removal groove matched with the bottom cone part, and then the whole crushing of the waste block is realized by the chip removal groove matched with the spiral blade, so that the crushing effect is improved;

according to the utility model, the waste blocks in the drill bit main body can be crushed, the condition that the waste blocks are embedded into the drill bit main body and are difficult to take out is avoided, the resistance of waste flow can be reduced, and the efficiency of drilling operation is further improved.

Drawings

FIG. 1 is a schematic three-dimensional structure of a diamond engineering thin-wall drill bit with concave-convex tooth shape according to an embodiment of the present utility model;

fig. 2 is a schematic bottom view of a diamond engineering thin-wall drill with concave-convex tooth shape according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a breaking mechanism of a concave-convex toothed diamond engineering thin-wall drill bit according to an embodiment of the present utility model.

Reference numerals:

1. a drill joint; 2. a positioning groove; 3. a bit body; 4. chip removal holes; 5. a cutter head; 6. tooth slots; 7. a guide groove; 8. a crushing mechanism; 801. a center column; 802. a bottom cone portion; 803. a helical blade; 804. chip removal groove.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.

In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Example 1

Referring to fig. 1-3, a diamond engineering thin-wall drill bit with concave-convex tooth shape comprises a drill joint 1, wherein two positioning grooves 2 are formed in the outer wall of the drill joint 1, the two positioning grooves 2 are symmetrically arranged, the bottom of the drill joint 1 is fixedly connected with a drill bit main body 3, a plurality of cutter heads 5 are arranged at the bottom of the drill bit main body 3, tooth grooves 6 are formed between every two adjacent cutter heads 5, and a crushing mechanism 8 is arranged on the inner side of the drill bit main body 3; the crushing mechanism 8 comprises a central column 801, a bottom cone 802 is arranged at the bottom of the central column 801, a plurality of spiral blades 803 are fixedly connected to the outer wall of the central column 801, and the plurality of spiral blades 803 are fixed with the drill bit main body 3.

In the above technical scheme, the drill joint 1 is matched with the positioning groove 2 to be used for installing a drill bit on drill equipment, the cutter head 5 is matched with the tooth socket 6 to be used for drilling, the bottom cone 802 is matched with the spiral blade 803 to crush the waste blocks on the inner side of the drill bit main body 3, and the waste blocks are prevented from being embedded into the inner side of the drill bit main body 3.

Example two

Referring to fig. 1, the tops of the plurality of tooth grooves 6 are provided with guide grooves 7.

In the above technical scheme, the guide groove 7 can guide the waste material, and the waste material is led into the guide groove 7 from the tooth slot 6, so that the resistance of the waste material flowing is reduced.

Referring to fig. 1, the outer wall of the drill body 3 is provided with a plurality of chip ejection holes 4 therethrough.

In the above technical scheme, the chip removal holes 4 can discharge the waste fragments inside the drill bit body 3, so that drilling is facilitated.

Referring to fig. 2, at least two crushing mechanisms 8 are provided, and two adjacent crushing mechanisms 8 are arranged in a staggered manner.

In the above technical scheme, the dislocated crushing mechanism 8 can crush the waste blocks into a plurality of small fragments, so that the waste blocks are conveniently discharged.

Referring to fig. 3, the outer wall of the center post 801 is provided with a plurality of junk slots 804.

In the above technical solution, the junk slots 804, in cooperation with the bottom cone 802, may crush the central portion of the junk block first, and then, in cooperation with the spiral blade 803, may crush the junk block entirely.

The working principle and the using flow of the technical scheme are as follows:

when drilling operation is carried out, a plurality of tool bits 5 rotate simultaneously, cooperate tooth's socket 6 to form the round hole, partial waste material gets into guide slot 7 through tooth's socket 6 in, then extrude the outside of drill bit main part 3, simultaneously bottommost broken mechanism 8 break the waste material piece earlier, during the breakage, bottom cone portion 802 cooperates chip groove 804 to break the central part of waste material piece, then cooperates helical blade 803 to break the waste material piece into the polylith, then break once more through adjacent and dislocation broken mechanism 8 for the waste material piece is broken into a plurality of fritters, finally discharges from chip hole 4.

The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. A diamond engineering thin-wall drill bit with concave-convex tooth shape, which is characterized by comprising:

the drilling machine connector (1), two positioning grooves (2) are formed in the outer wall of the drilling machine connector (1), the two positioning grooves (2) are symmetrically arranged, a drill bit main body (3) is fixedly connected to the bottom of the drilling machine connector (1), a plurality of cutter heads (5) are arranged at the bottom of the drill bit main body (3), tooth grooves (6) are formed between every two adjacent cutter heads (5), and a crushing mechanism (8) is arranged on the inner side of the drill bit main body (3);

the crushing mechanism (8) comprises a central column (801), a bottom cone portion (802) is arranged at the bottom of the central column (801), a plurality of spiral blades (803) are fixedly connected to the outer wall of the central column (801), and the spiral blades (803) are fixed with the drill bit main body (3).

2. The concave-convex tooth shaped diamond engineering thin-wall drill bit according to claim 1, wherein the tops of the tooth grooves (6) are respectively provided with a guide groove (7).

3. The concave-convex toothed diamond engineering thin-wall drill bit according to claim 1, characterized in that the outer wall of the drill bit body (3) is provided with a plurality of penetrating chip removal holes (4).

4. The concave-convex toothed diamond engineering thin-wall drill bit according to claim 1, wherein at least two crushing mechanisms (8) are arranged, and two adjacent crushing mechanisms (8) are arranged in a staggered manner.

5. The concave-convex toothed diamond engineering thin-wall drill bit according to claim 1, wherein the outer wall of the central column (801) is provided with a plurality of junk slots (804).