CN212233029U

CN212233029U - Coconut drill bit

Info

Publication number: CN212233029U
Application number: CN202020212990.6U
Authority: CN
Inventors: 欧荣东; 邓福明; 李积禄
Original assignee: Hainan Ouye Ecological Agriculture Development Co ltd
Current assignee: Hainan Ouye Ecological Agriculture Co.,Ltd.
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-12-29
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses a coconut drill bit, include: the drill bit outer barrel is made of steel, a plurality of cutters are arranged on the end face of the lower portion of the drill bit outer barrel, a screw drill bit capable of moving along the axis of the drill bit outer barrel is further arranged in the drill bit outer barrel, and a negative pressure device for sucking out chippings is further installed in the drill bit outer barrel in a matched mode. An object of the utility model is to provide a can remove bits coconut drill bit.

Description

Coconut drill bit

Technical Field

The utility model belongs to the technical field of coconut drilling equipment, specifically speaking relates to a coconut drill bit.

Background

The coconut juice is a relatively common beverage, is extracted from the coconut of the coconut tree, has sweet taste, can quench thirst, dispel summer-heat, promote the production of body fluid, promote urination, expel wind, expel toxin, and has the effects of tonifying qi and moistening the face, and the 'first health-preserving juice' is recorded in traditional Chinese medicine; the coconut juice contains protein, fat, vitamin C and minerals such as calcium, phosphorus, iron, potassium, magnesium, sodium and the like, and is a beverage with extremely rich nutrition.

Coconut milk is increasingly popular, and when coconut milk is sold, many vendors obtain the coconut milk by breaking away the coconuts with a knife or the like, which is not only slow but also dangerous, and therefore, a drilling machine is required, and a drill bit of the existing drilling machine drills the coconuts and simultaneously drops the debris into the coconuts, so that the existing drill bit needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coconut drill bit.

In order to solve the technical problem, the utility model adopts the following basic concept:

coconut drill bit includes: the drill bit outer barrel is made of steel, a plurality of cutters are arranged on the end face of the lower portion of the drill bit outer barrel, a screw drill bit capable of moving along the axis of the drill bit outer barrel is further arranged in the drill bit outer barrel, and a negative pressure device for sucking out chippings is further installed in the drill bit outer barrel in a matched mode.

Further, the cutters are uniformly distributed on the end face of the drill bit outer barrel, the installation angle of the cutters is that the included angle a between the cutters and the tangent line of the outer circle of the drill bit outer barrel is 55-70 degrees, the cutters comprise main body parts and working parts arranged on the main body parts, a convex cutting edge is arranged on the working side face of each working part, and the thickness of each cutter is 2-3 mm.

Furthermore, the upper end face of the drill bit outer barrel is designed in a closed mode, the upper rod of the screw drill bit is a smooth cylinder, the screw drill bit penetrates through the sealing cover on the upper end face of the drill bit outer barrel, and a first sealing structure is installed between the screw drill bit and the sealing cover on the upper end face of the drill bit outer barrel in a matched mode.

Further, the material of the working portion is cemented carbide, and the material of the main body portion is steel.

Furthermore, a suction pipe of the negative pressure device penetrates through a sealing cover on the upper end face of the drill bit outer barrel, and a second sealing structure is installed between the suction pipe and the sealing cover on the upper end face of the drill bit outer barrel in a matched mode.

Furthermore, a plurality of blades are arranged on the inner side of the drill bit outer cylinder.

Further, first seal structure is the same in structure with the second seal structure, including locating two shield between sealed lid and the screw drill bit, two shield are located the both ends of sealed lid respectively, install two rubber seal between two shield, form the oil pocket between two rubber seal.

After the technical scheme is adopted, the utility model discloses at least, include following beneficial effect:

screw drill through setting up can be before beginning to bore screw drill bit part bore into the coconut husk in, negative pressure device can be in drill bit urceolus during operation in addition, siphons away the piece, and the screw drill also prevents to fall into in the coconut husk that is bored to the blade that is equipped with can further produce the negative pressure, siphons away the piece, thereby discharges whole or most piece.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic view of the overall structure of the coconut drill bit;

FIG. 2 is a schematic structural view of a seal structure;

fig. 3 is a schematic cross-sectional structure of the cutter.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

the coconut drill bit as shown in fig. 1 to 3 comprises: the drill bit comprises a steel drill bit outer cylinder 1 and a plurality of cutters 2 arranged on the end face below the drill bit outer cylinder 1, wherein a screw drill bit 3 capable of moving along the axis of the drill bit outer cylinder 1 is further arranged in the drill bit outer cylinder 1, and a negative pressure device 4 sucking out chips is further installed in the drill bit outer cylinder 1 in a matched mode.

2 evenly distributed of cutter is at the terminal surface of drill bit urceolus 1, the contained angle a of the installation angle of cutter between the tangent line of cutter and 1 excircle of drill bit urceolus is 55-70, can be 58 °, 62 °, 66 °, 68 °, 70 to can improve the efficiency to the coconut trompil, cutter 2 includes main part 21 and locates the working portion 22 on the main part, be equipped with a bellied protruding cutting edge 23 on the working side of working portion 22, the thickness of cutter 2 is 2-3mm, and the bulk strength of cutter can be guaranteed to this thickness, also can improve the efficiency of drilling, especially the protruding cutting edge structure that is equipped with, and it can be so that the piece of being cut down can be raised upward and be convenient for by the suction.

The upper end face of the drill bit outer cylinder 1 is designed to be closed, the upper rod of the screw drill bit 3 is a smooth cylinder, the screw drill bit 3 penetrates through the sealing cover 7 on the upper end face of the drill bit outer cylinder 1, and a first sealing structure 5 is installed between the screw drill bit 3 and the sealing cover 7 on the upper end face of the drill bit outer cylinder 1 in a matched mode.

The working portion 22 is made of cemented carbide, the type of which may be YG3, and the body portion 21 is made of steel.

A suction pipe 41 of the negative pressure device 4 penetrates through the sealing cover 7 on the upper end surface of the drill bit outer cylinder 1, and a second sealing structure 6 is installed between the suction pipe 41 and the sealing cover 7 on the upper end surface of the drill bit outer cylinder 1 in a matching mode.

The inner side of the drill bit outer cylinder 1 is also provided with a plurality of blades 9, and the blades 9 are arranged to generate airflow for sucking out chips when the drill bit outer cylinder 1 rotates.

The first sealing structure 5 and the second sealing structure 6 are the same in structure and comprise two dust covers 51 arranged between the sealing cover 7 and the screw drill 3, the two dust covers 51 are respectively positioned at two ends of the sealing cover 7, two rubber sealing rings 52 are arranged between the two dust covers 51, an oil cavity 53 is formed between the two rubber sealing rings 52, and lubricating oil or lubricating grease with a set amount is arranged in the oil cavity 53.

During operation, can be before beginning to bore the screw drill bit part through the screw drill that sets up and bore in the coconut husk, negative pressure device can be when the drill bit urceolus is worked in addition, siphons away the piece, and the screw drill bit also prevents that the coconut husk that is bored open from falling into in the coconut to the blade that is equipped with can further produce the negative pressure, siphons away the piece, thereby discharges whole or most piece, and the blade that is equipped with can improve the efficiency that the piece was siphoned out.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. A coconut drill bit, comprising: the drill bit comprises a steel drill bit outer cylinder (1) and a plurality of cutters (2) arranged on the end face below the drill bit outer cylinder (1), wherein a screw drill bit (3) capable of moving along the axis of the drill bit outer cylinder (1) is further arranged in the drill bit outer cylinder (1), and a negative pressure device (4) for sucking out chippings is further installed in the drill bit outer cylinder (1) in a matched mode.

2. The coconut drill bit as claimed in claim 1, characterized in that the cutters (2) are uniformly distributed on the end surface of the drill bit outer cylinder (1), the installation angle of the cutters is that the included angle a between the cutters and the tangent of the outer circle of the drill bit outer cylinder (1) is 55-70 degrees, the cutters (2) comprise a main body part (21) and a working part (22) arranged on the main body part, a convex peak (23) is arranged on the working side surface of the working part (22), and the thickness of the cutters (2) is 2-3 mm.

3. The coconut drill bit as claimed in claim 1, characterized in that the upper end face of the drill bit outer cylinder (1) is designed to be closed, the upper rod of the screw drill bit (3) is a smooth cylinder, the screw drill bit (3) passes through the sealing cover (7) on the upper end face of the drill bit outer cylinder (1), and a first sealing structure (5) is installed between the screw drill bit (3) and the sealing cover (7) on the upper end face of the drill bit outer cylinder (1) in a matching manner.

4. The coconut drill bit as claimed in claim 2, characterized in that the material of the working part (22) is cemented carbide and the material of the main body part (21) is steel.

5. The coconut drill bit as claimed in claim 1, characterized in that the suction pipe (41) of the negative pressure device (4) passes through the sealing cover (7) on the upper end surface of the drill bit outer cylinder (1), and a second sealing structure (6) is installed between the suction pipe (41) and the sealing cover (7) on the upper end surface of the drill bit outer cylinder (1).

6. Coconut drill bit as claimed in claim 1, characterized in that the inside of the bit outer cylinder (1) is also provided with a number of blades (9).

7. The coconut drill bit as claimed in claim 3 or 5, characterized in that the first sealing structure (5) and the second sealing structure (6) are identical in structure, and comprise two dust caps (51) arranged between the sealing cap (7) and the screw drill bit (3), the two dust caps (51) are respectively arranged at two ends of the sealing cap (7), two rubber sealing rings (52) are arranged between the two dust caps (51), and an oil cavity (53) is formed between the two rubber sealing rings (52).