CN220838088U - Drill bit and drilling tool - Google Patents

Drill bit and drilling tool Download PDF

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Publication number
CN220838088U
CN220838088U CN202322173164.1U CN202322173164U CN220838088U CN 220838088 U CN220838088 U CN 220838088U CN 202322173164 U CN202322173164 U CN 202322173164U CN 220838088 U CN220838088 U CN 220838088U
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China
Prior art keywords
drill bit
blade
auxiliary
length
hole
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CN202322173164.1U
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Chinese (zh)
Inventor
周建
李明国
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Chongqing Yanlian Heavy Machinery Equipment Co ltd
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Chongqing Yanlian Heavy Machinery Equipment Co ltd
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Abstract

The application relates to a drill bit and a drilling tool, wherein the drill bit comprises a body and an attached tool, the body is provided with a first chip groove, the first chip groove extends along the length direction of the body, and one end of the body along the length is a drilling tool end; the auxiliary cutter is positioned at one end of the body far away from the drill cutter end, is perpendicular to the body and is detachably connected with the body, and at least one end of the auxiliary cutter extends out of the periphery of the body. When the drill bit is used, the drill bit end of the body is placed at a position where a hole is required to be drilled in an object, then the drill bit is started, the body and the auxiliary cutter rotate simultaneously, the drill bit end of the body rotates at the position of the object, so that a positioning hole is formed at the position of the object, and then the auxiliary cutter drills at the position of the object, so that a hole is formed at the position of the object. According to the application, during the use period, an operator does not need to replace the drill bit midway, so that the drilling requirement can be realized in one step, the manual operation difficulty is reduced, and the production efficiency is improved.

Description

Drill bit and drilling tool
Technical Field
The application relates to the technical field of aluminum alloy casting machining tools, in particular to a drill bit and a drilling tool.
Background
When the boring of the aluminum alloy castings is carried out, the positioning holes are bored firstly, then step-by-step reaming is carried out, the holes are gradually enlarged to the required size, and at least two working procedures are needed to meet the production requirement. The operation of workers is complex, the processing speed is low, and the production efficiency is affected.
Disclosure of utility model
The application aims to provide a drill bit and a drilling tool, wherein the drill bit does not need to be replaced by an operator in the middle of the use period, so that the drilling requirement can be realized in one step, the manual operation difficulty is reduced, and the production efficiency is improved.
To this end, in a first aspect, embodiments of the present application provide a drill bit comprising: the drill bit comprises a body, a drill bit and a drill bit, wherein the body is provided with a first chip groove which extends along the length direction of the body, and one end of the body along the length is a drill bit end; and the auxiliary cutter is positioned at one end of the body, which is far away from the drill cutter end, is perpendicular to the body and is detachably connected with the body, and at least one end of the auxiliary cutter extends out of the periphery of the body.
In one possible implementation manner, the auxiliary knife is provided with a plurality of mounting holes for being connected with the body, and the plurality of mounting holes are arranged at intervals along the length direction of the auxiliary knife.
In one possible implementation, the body is radially provided with a through hole adapted to the auxiliary blade, the auxiliary blade being located in the through hole and both ends extending out of the through hole.
In one possible implementation, the distance between the auxiliary tool and the drill end is a first length, the length of the body is a second length, and the first length is greater than one half of the second length.
In one possible implementation, the body is connected with the auxiliary knife through a connecting piece, and a mounting plane for mounting the connecting piece is arranged at the body.
In one possible implementation manner, a first blade and a second blade are disposed at one end of the auxiliary blade facing the drill blade end, the first blade and the second blade are respectively located at two ends of the auxiliary blade extending out of the through hole, and the first blade is facing opposite to the second blade.
In one possible implementation, the additional blade is provided with a second junk slot extending along the length of the additional blade.
In one possible implementation, the second junk slot comprises: the first groove body is arranged at one end of the auxiliary knife, provided with the first cutting edge, and the opening of the first groove body faces the same direction as the first cutting edge; and the second groove body is arranged at one end of the auxiliary knife, provided with the second cutting edge, and the opening direction of the second groove body is the same as the direction of the second cutting edge.
In one possible implementation manner, the first chip grooves are spiral, and two first chip grooves are arranged and are mutually wound.
In a second aspect, embodiments of the present application provide a drilling tool comprising a drill bit as described in any one of the preceding claims.
According to the drill bit and the drilling tool provided by the embodiment of the application, the drill bit comprises the body and the auxiliary tool, the body is provided with the first chip groove, the first chip groove extends along the length direction of the body, and one end of the body along the length is a drilling tool end; the auxiliary cutter is positioned at one end of the body far away from the drill cutter end, is perpendicular to the body and is detachably connected with the body, and at least one end of the auxiliary cutter extends out of the periphery of the body. When the drill bit is used, the drill bit end of the body is placed at a position where a hole is required to be drilled in an object, then the drill bit is started, the body and the auxiliary cutter rotate simultaneously, the drill bit end of the body rotates at the position of the object, so that a positioning hole is formed at the position of the object, and then the auxiliary cutter drills at the position of the object, so that a hole is formed at the position of the object. According to the application, during the use period, an operator does not need to replace the drill bit midway, so that the drilling requirement can be realized in one step, the manual operation difficulty is reduced, and the production efficiency is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
FIG. 1 shows a schematic view of a drill bit according to an embodiment of the present application;
fig. 2 shows a schematic structural diagram of a body according to an embodiment of the present application;
FIG. 3 shows a schematic diagram I of an attachment and connector provided by an embodiment of the present application;
fig. 4 shows a schematic diagram II of an attachment knife and a connecting piece according to an embodiment of the present application.
Reference numerals illustrate:
1. A body; 11. a first junk slot; 12. a through hole; 13. a mounting plane; 14. a drill end; 2. attaching a knife; 21. a first blade; 22. a second blade; 23. a first tank body; 24. a second tank body; 3. a connecting piece; D. a first length; l, the second length.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The following disclosure provides many different embodiments, or examples, for implementing different structures of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
For ease of description, spatially relative terms, such as "inner," "outer," "lower," "upper," "above," "front," "rear," and the like, may be used herein to describe one element's or feature's relative positional relationship or movement to another element's or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figure experiences a position flip or a change in attitude or a change in state of motion, then the indications of these directivities correspondingly change, for example: an element described as "under" or "beneath" another element or feature would then be oriented "over" or "above" the other element or feature. Accordingly, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.
The drill bit is a common tool for daily life of people, and has wide application in building decoration, industrial production sites and family life. The working principle of the drill bit is that the drill bit rotates at high speed under the drive of the driving mechanism, so that the drill bit scrapes the surface of an object, and holes are machined on the surface of the object. Generally, when a larger drill hole is manufactured, a small-diameter drill bit is required to drill a small hole of an object as a positioning hole to position the object, and then another drill bit with a larger diameter is replaced to perform reaming on the object, so that the drilling effect is achieved.
The drilling needs to use at least two drilling tools and at least two steps of workers, so that the workers have complex operation and slower processing speed, and the production efficiency is affected.
Fig. 1 shows a schematic structural diagram of a drill provided by an embodiment of the present application, fig. 2 shows a schematic structural diagram of a body provided by an embodiment of the present application, fig. 3 shows a schematic diagram of an attaching knife and a connecting piece provided by an embodiment of the present application, and fig. 4 shows a schematic diagram of a attaching knife and a connecting piece provided by an embodiment of the present application.
In order to solve the above technical problems, as shown in fig. 1 to 4, an embodiment of the present application provides a drill bit, which includes a body 1 and an auxiliary cutter 2, wherein the body 1 is provided with a first chip groove 11, the first chip groove 11 extends along a length direction of the body 1, and one end of the body 1 along the length is a cutter end 14; the auxiliary cutter 2 is positioned at one end of the body 1 far away from the drill cutter end 14, the auxiliary cutter 2 is perpendicular to the body 1 and detachably connected with the body 1, and at least one end of the auxiliary cutter 2 extends out of the periphery of the body 1.
It should be appreciated that the body 1 and the attachment blade 2 are made of a hard material, such as carbon steel, high speed steel or cemented carbide steel, so as to facilitate drilling holes in the object. The body 1 is rectangular form, and the one end of body 1 along length direction is boring sword end 14 to be used for boring on the object surface, can be used to set up the locating hole on the object surface. The one end that body 1 kept away from boring sword end 14 is provided with connecting portion, and connecting portion and body 1 integrated into one piece set up, and connecting portion are rectangular form, and connecting portion's cross section is circular, and connecting portion reduces gradually along the diameter of the one end of keeping away from body 1 to in the installation department of the other parts of drilling tool of better stretching into, connecting portion keep away from the one end integrated into one piece of body 1 go out the platykurtic in order to be connected with other parts of drilling tool.
The body 1 is provided with first chip groove 11, and first chip groove 11 extends along the length direction of body 1, and when boring the sword end 14 in the during operation, the dust can appear in article department, and the dust discharges in the first chip groove 11 to do not influence boring the normal work of sword end 14.
The auxiliary knife 2 is arranged in a strip shape, the auxiliary knife 2 is connected with the body 1, at least one end of the auxiliary knife 2 extends out of the periphery of the body 1, namely, one end of the auxiliary knife 2 can extend out of the periphery of the body 1, and both ends of the auxiliary knife can also extend out of the periphery of the body 1, and after the body 1 forms a positioning hole on an object, reaming treatment can be continuously carried out on the object. According to the application, the auxiliary cutter 2 is connected with the body 1, when the auxiliary cutter is used, the body 1 firstly forms a positioning hole on an object to position, and then the auxiliary cutter 2 stretches into the positioning hole of the object to perform reaming again, so that a drilling requirement can be met in one step without changing a drill bit by an operator during the reaming process, the manual operation difficulty is reduced, and the production efficiency is improved.
Further, the auxiliary knife 2 is arranged vertically to the body 1, and compared with the inclined arrangement of the auxiliary knife 2 and the body 1, the vertical arrangement of the auxiliary knife 2 and the body 1 reduces the material consumption of the auxiliary knife 2 and saves the manufacturing cost of the auxiliary knife 2 under the condition of the same drilling.
The auxiliary cutter 2 is detachably connected with the body 1, and is connected in a clamping connection, a bolt connection and other connection modes, so that an operator can conveniently select a proper auxiliary cutter 2 according to drilling requirements before drilling. And when the attached knife 2 is damaged, the attached knife 2 can be replaced, so that the application can be normally used, and the replacement cost is reduced.
The auxiliary tool 2 is positioned at one end of the body 1 far away from the drill tool end 14, so that interference to the first chip removal groove 11 is avoided, and normal chip removal of the body 1 during operation is not affected.
In an alternative embodiment, the attachment knife 2 is provided with a mounting hole connected with the body 1, the body 1 is also provided with a connecting hole corresponding to the mounting hole, the mounting hole is communicated with the connecting hole during mounting, and then the connecting piece 3 extends into the connecting hole and the mounting hole, so that the attachment knife 2 is connected with the body 1. The present application does not limit the number of the connection holes and the installation holes, and the number of the connection holes and the installation holes may be one, two or more.
In some alternative embodiments, the attachment blade 2 is provided with a plurality of mounting holes for connection with the body 1, the plurality of mounting holes being spaced apart along the length of the attachment blade 2. During installation, an operator can select a proper installation hole to be communicated with the connecting hole of the body 1 according to the drilling requirement, and the length of the attached knife 2 extending out of the circumference side of the body 1 is determined through the position of the installation hole, so that the diameter of a drilled hole is determined.
In some alternative embodiments, the body 1 is provided with a through hole 12 along its radial direction, adapted to the attachment blade 2, the attachment blade 2 being located in the through hole 12 and both ends protruding out of the through hole 12. During installation, the auxiliary knife 2 stretches into the through hole of the body 1 and is connected with the body 1, and the contact area between the auxiliary knife 2 and the body 1 is increased due to the arrangement of the through hole 12, so that the stability of connection between the auxiliary knife 2 and the body 1 is improved. The through holes 12 are formed in the two ends of the auxiliary knife 2 in a way that the two ends of the auxiliary knife 2 are arranged in a balanced mode, the situation that the auxiliary knife 2 is inclined during working is reduced, and the stability of the auxiliary knife 2 during working is improved.
Wherein, in order to facilitate the attachment knife 2 to extend into the through hole 12 more smoothly, the width and/or the height of the two ends of the attachment knife 2 extending out of the through hole 12 are smaller than the width and/or the height of the through hole 12.
In some alternative embodiments, the distance of the accessory blade 2 from the drill end 14 is a first length D, the length of the body 1 is a second length L, and the first length D is greater than one-half of the second length L. So that the normal chip removal of the first chip removal groove 11 is not affected.
In some alternative embodiments, the body 1 is connected to the attachment blade 2 by means of a connector 3, the body 1 being provided with a mounting plane 13 for mounting the connector 3. When the connecting piece 3 is a bolt or a penetrating pin, one end of the connecting piece 3 stretches into the connecting hole and is in threaded connection with the mounting hole, a nut of the connecting piece 3 is abutted with the body 1, and a mounting plane 13 is arranged at the body 1, so that the connecting piece 3 is abutted with the body 1 conveniently, and the stability of the connecting piece 3 for connecting the body 1 with the attachment knife 2 is further improved.
If two connecting pieces 3 are provided, two mounting planes 13 are also provided, and the two mounting planes 13 can be located on the same plane or different planes, and the stability of connection between the body 1 and the auxiliary knife 2 is further improved due to the arrangement of the two connecting pieces 3 and the two mounting planes 13.
Referring to fig. 3 and 4, in some alternative embodiments, the end of the auxiliary blade 2 facing the drill end 14 is provided with a first blade 21 and a second blade 22, the first blade 21 and the second blade 22 being located at the two ends of the auxiliary blade 2 extending out of the through hole, respectively, the first blade 21 being oriented opposite to the second blade 22.
The auxiliary knife 2 is provided with two surfaces in the thickness direction thereof, namely a first surface and a second surface, the first blade 21 is positioned at the first surface, and the second blade 22 is positioned at the second surface.
When the auxiliary cutter 2 works, the first cutter blade 21 and the second cutter blade 22 operate simultaneously, and compared with the arrangement of only one cutter blade, the first cutter blade 21 and the second cutter blade 22 not only improve the drilling efficiency, but also reduce the abrasion degree of the first cutter blade 21 and the second cutter blade 22 and prolong the service life of the auxiliary cutter 2.
In some alternative embodiments, the additional blade 2 is provided with a second junk slot extending along the length of the additional blade 2. The arrangement of the second chip groove can discharge dust generated by the auxiliary knife 2 and the object, and avoid the influence of the dust on the operation of the auxiliary knife 2.
In some alternative embodiments, the second junk slot comprises a first slot body 23 and a second slot body 24, the first slot body 23 is arranged at one end of the auxiliary knife 2 provided with the first cutting edge 21, and the opening of the first slot body 23 is oriented towards the same direction as the first cutting edge 21; the second groove 24 is provided at the end of the attachment blade 2 where the second blade 22 is provided, and the opening of the second groove 24 is oriented in the same direction as the second blade 22.
The first groove 23 is located at the first surface and above the first blade 21, so that dust generated by the first blade 21 is removed, normal operation of the first blade 21 is not affected, and the second groove 24 is located at the second surface and above the second blade 22, so that dust generated by the second blade 22 is removed, and normal operation of the second blade 22 is not affected.
The groove surfaces of the first groove body 23 and the second groove body 24 are cambered surfaces, so that dust can move in the first groove body 23 and the second groove body 24 conveniently, and the chip removal efficiency of the first groove body 23 and the second groove body 24 is further improved.
Referring to fig. 1 and 2, in some alternative embodiments, the first flutes 11 are helical, and the first flutes 11 are provided with two first flutes 11 intertwined. The spiral arrangement of the first junk slots 11 increases the extension path of the first junk slots 11, leaves more junk space for dust and reduces the influence on the normal operation of the drill tip 14. The provision of two first flutes 11 further increases the chip space.
In some alternative embodiments, the present application also includes a drilling tool comprising a drill bit as described in any of the preceding claims.
Referring to fig. 1 to fig. 4, the technical solution provided in this embodiment is described below in conjunction with a specific application scenario.
According to the size of the required drilling, a proper auxiliary cutter 2 is selected, the auxiliary cutter 2 is inserted into the through hole 12 of the body 1, and the auxiliary cutter 2 and the body 1 are connected and fixed through the connecting piece 3.
In use, the drill tip 14 of the body 1 is placed at a position where a hole is to be drilled in an object, then the drill bit is started, so that the body 1 and the auxiliary cutter 2 rotate simultaneously, the drill tip 14 of the body 1 rotates at the position where the hole is to be drilled, and then the auxiliary cutter 2 drills at the position where the hole is to be drilled. During the drilling process, the first junk slots 11 discharge dust generated by the drill tip 14, and the second junk slots discharge dust generated by the auxiliary tool 2.
According to the application, during the use period, an operator does not need to replace the drill bit midway, so that the drilling requirement can be realized in one step, the manual operation difficulty is reduced, and the production efficiency is improved.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A drill bit, comprising:
The drill bit comprises a body, a drill bit and a drill bit, wherein the body is provided with a first chip groove which extends along the length direction of the body, and one end of the body along the length is a drill bit end; and
The auxiliary cutter is positioned at one end of the body, which is far away from the drill cutter end, is perpendicular to the body and detachably connected with the body, and at least one end of the auxiliary cutter extends out of the periphery of the body.
2. The drill bit of claim 1, wherein the additional blade is provided with a plurality of mounting holes for connection with the body, the plurality of mounting holes being spaced apart along a length of the additional blade.
3. The drill bit according to claim 1, wherein the body is provided with a through hole along its radial direction, which is adapted to the additional blade, the additional blade being located in the through hole and both ends extending out of the through hole.
4. The drill bit of claim 1, wherein the distance of the additional blade from the blade end is a first length, the length of the body is a second length, and the first length is greater than one-half of the second length.
5. The drill bit of claim 1, wherein the body and the accessory blade are connected by a connector, and a mounting plane for mounting the connector is provided at the body.
6. A drill bit according to claim 3, wherein the end of the auxiliary blade facing the drill tip is provided with a first blade and a second blade, the first blade and the second blade being located at the ends of the auxiliary blade extending out of the through hole, respectively, the first blade facing opposite to the second blade.
7. The drill bit of claim 6, wherein the additional blade is provided with a second junk slot extending along a length of the additional blade.
8. The drill bit of claim 7, wherein the second junk slot comprises:
the first groove body is arranged at one end of the auxiliary knife, provided with the first cutting edge, and the opening of the first groove body faces the same direction as the first cutting edge; and
The second groove body is arranged at one end of the auxiliary knife, provided with the second cutting edge, and the opening direction of the second groove body is the same as the direction of the second cutting edge.
9. The drill bit of claim 1, wherein the first flutes are helical, and two of the first flutes are intertwined.
10. A drilling tool comprising a drill bit according to any one of claims 1-9.
CN202322173164.1U 2023-08-11 2023-08-11 Drill bit and drilling tool Active CN220838088U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322173164.1U CN220838088U (en) 2023-08-11 2023-08-11 Drill bit and drilling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322173164.1U CN220838088U (en) 2023-08-11 2023-08-11 Drill bit and drilling tool

Publications (1)

Publication Number Publication Date
CN220838088U true CN220838088U (en) 2024-04-26

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ID=90748162

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322173164.1U Active CN220838088U (en) 2023-08-11 2023-08-11 Drill bit and drilling tool

Country Status (1)

Country Link
CN (1) CN220838088U (en)

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