CN216325369U - High-precision coating composite micro drill bit - Google Patents
High-precision coating composite micro drill bit Download PDFInfo
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- CN216325369U CN216325369U CN202122574806.XU CN202122574806U CN216325369U CN 216325369 U CN216325369 U CN 216325369U CN 202122574806 U CN202122574806 U CN 202122574806U CN 216325369 U CN216325369 U CN 216325369U
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Abstract
The utility model discloses a high-precision coating composite micro drill bit which comprises a drill handle and a drill bit, wherein the drill bit is connected with the drill handle, an installing head is arranged at the top end of the drill handle, the drill bit is composed of a drill rod and a connector assembly, the drill rod is fixedly connected to the bottom end of the connector assembly, a chip groove is formed in the side edge of the drill rod, a pointed end is arranged at the bottom end of the drill rod, the connector assembly is composed of a threaded connection section, an outer hexagonal connection section and an arc transition section, and the outer hexagonal connection section is connected between the threaded connection section and the arc transition section. Has the advantages that: be convenient for install and dismantle micro drill bit to simple to operate through threaded connection structure, not only can guarantee the accuracy of connection, can avoid simultaneously taking place not hard up and droing at the during operation, effectively improves micro drill bit's life.
Description
Technical Field
The utility model relates to the technical field of drill bits, in particular to a high-precision coating composite micro drill bit.
Background
Drill bits with a diameter of less than 3.175mm are commonly referred to as micro-drills, micro-drills for short. For the micro-drill to function efficiently in use, a number of factors must be considered: such as various elements of the drill bit, processing parameters, hole depth, installation integrity, workpiece structure and the like. The microbit is the consumptive material, and in use wearing and tearing are great, and current microbit installation is dismantled comparatively troublesome, can not guarantee the installation accuracy moreover, and the result of use is not good.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the related art, the utility model provides a high-precision coating composite microbit to overcome the technical problems in the prior related art.
Therefore, the utility model adopts the following specific technical scheme:
the utility model provides a compound micro drill of high accuracy coating, includes drillstock and drill bit, the drill bit with the drillstock is connected, the top of drillstock is provided with the installation head, the drill bit comprises drilling rod and connector subassembly, drilling rod fixed connection in the bottom of connector subassembly, the side of drilling rod is provided with the chip groove, the bottom of drilling rod is provided with the tip, the connector subassembly comprises threaded connection section, outer hexagonal linkage section and arc changeover portion, outer hexagonal linkage section connect in the threaded connection section with between the arc changeover portion.
Furthermore, the bottom end of the drill handle is provided with an arc-shaped connecting section, and a thread groove matched with the thread connecting section is arranged in the arc-shaped connecting section.
Furthermore, the drill rod, the threaded connection section, the outer hexagonal connection section and the arc transition section are of an integrated structure.
Furthermore, a limiting support table matched with the drill shank is arranged between the threaded connection section and the outer hexagonal connection section.
Furthermore, the outer diameter of the limiting support platform is larger than that of the threaded connection section, and the limiting support platform and the threaded connection section and the outer hexagonal connection section are of an integrated structure.
Furthermore, the top of threaded connection section be provided with thread groove assorted resistance to compression round platform, the external diameter of resistance to compression round platform is less than the external diameter of threaded connection section, the resistance to compression round platform with threaded connection section formula connection structure as an organic whole.
Furthermore, the drill bit and the drill handle are made of tungsten steel.
The utility model has the beneficial effects that: through setting up the compound micro drill bit of high accuracy coating that comprises drillstock, drill bit, installation head, drilling rod, coupling head subassembly, chip groove, tip, threaded connection section, outer hexagonal linkage section and arc changeover portion to be convenient for install and dismantle micro drill bit, and simple to operate, through threaded connection structure, not only can guarantee the accuracy of connecting, can avoid taking place not hard up and drop at the during operation simultaneously, effectively improve micro drill bit's life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is one of the schematic structural views of a high precision coated composite microbit according to an embodiment of the present invention;
FIG. 2 is a second schematic structural view of a high precision coated composite microbit according to embodiments of the present invention;
FIG. 3 is a schematic view of the shank configuration of a high precision coated composite microbit according to an embodiment of the present invention.
In the figure:
1. a drill shank; 2. a drill bit; 3. a mounting head; 4. a drill stem; 5. a connector assembly; 6. a chip groove; 7. a tip; 8. a threaded connection section; 9. an outer hexagonal connecting section; 10. an arc transition section; 11. an arc-shaped connecting section; 12. a thread groove; 13. a limiting support table; 14. the compression-resistant round platform.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to an embodiment of the present invention, a high precision coated composite microbit is provided.
The first embodiment is as follows:
as shown in fig. 1-3, the high-precision coated composite microbit according to the embodiment of the present invention includes a drill handle 1 and a drill bit 2, the drill bit 2 is connected to the drill handle 1, an installation head 3 is disposed at a top end of the drill handle 1, the drill bit 2 is composed of a drill rod 4 and a connector assembly 5, the drill rod 4 is fixedly connected to a bottom end of the connector assembly 5, a chip groove 6 is disposed at a side of the drill rod 4, a pointed end 7 is disposed at a bottom end of the drill rod 4, the connector assembly 5 is composed of a threaded connection section 8, an outer hexagonal connection section 9 and an arc transition section 10, and the outer hexagonal connection section 9 is connected between the threaded connection section 8 and the arc transition section 10.
By means of the above technical scheme, through setting up the compound micro drill bit of high accuracy coating that comprises drillstock 1, drill bit 2, installation head 3, drilling rod 4, connector block subassembly 5, chip groove 6, prong 7, threaded connection section 8, outer hexagonal linkage section 9 and arc changeover portion 10, thereby be convenient for install and dismantle micro drill bit, and simple to operate, through threaded connection structure, not only can guarantee the accuracy of connecting, can avoid taking place not hard up and drop at the during operation simultaneously, effectively improve micro drill bit's life.
Example two:
as shown in fig. 1-3, the drill bit 2 is connected with the drill handle 1, the top end of the drill handle 1 is provided with a mounting head 3, the drill bit 2 is composed of a drill rod 4 and a connector assembly 5, the drill rod 4 is fixedly connected with the bottom end of the connector assembly 5, a chip groove 6 is arranged on the side edge of the drill rod 4, a pointed end 7 is arranged at the bottom end of the drill rod 4, the connector assembly 5 is composed of a threaded connection section 8, an outer hexagonal connection section 9 and an arc transition section 10, the outer hexagonal connection section 9 is connected between the threaded connection section 8 and the arc transition section 10, the bottom end of the drill handle 1 is provided with an arc connection section 11, a thread groove 12 matched with the threaded connection section 8 is arranged inside the arc connection section 11, the drill rod 4 and the threaded connection section 8, the outer hexagonal connection section 9 and the arc transition section 10 are of an integrated structure, and a limiting support table 13 matched with the drill shank 1 is arranged between the threaded connection section 8 and the outer hexagonal connection section 9.
Example three:
as shown in fig. 1-3, the drill bit 2 is connected with the drill handle 1, the top end of the drill handle 1 is provided with a mounting head 3, the drill bit 2 is composed of a drill rod 4 and a connector assembly 5, the drill rod 4 is fixedly connected with the bottom end of the connector assembly 5, a chip groove 6 is arranged on the side edge of the drill rod 4, the bottom end of the drill rod 4 is provided with a tip 7, the connector assembly 5 is composed of a threaded connection section 8, an outer hexagonal connection section 9 and an arc transition section 10, the outer hexagonal connection section 9 is connected between the threaded connection section 8 and the arc transition section 10, the outer diameter of the limiting support table 13 is larger than the outer diameter of the threaded connection section 8, the limiting support table 13, the threaded connection section 8 and the outer hexagonal connection section 9 are of an integral structure, and the top end of the threaded connection section 8 is provided with a compression-resistant circular truncated cone 14 matched with the threaded groove 12, the external diameter of resistance to compression round platform 14 is less than the external diameter of threaded connection section 8, resistance to compression round platform 14 with threaded connection section 8 formula connection structure as an organic whole, drill bit 2 with drillstock 1 is the tungsten steel material.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, through threaded connection section 8, outer hexagonal linkage section 9, arc changeover portion 10, connector subassembly 5 that spacing brace table 13 and resistance to compression round platform 14 constitute, be convenient for install and dismantle drill bit 2 and drillstock 1, can guarantee the accuracy of connection simultaneously, can avoid taking place not hard up and drop at the during operation, in addition, through spacing brace table 13 and resistance to compression round platform 14's effect, avoid threaded connection structure to receive higher pressure and damage.
In summary, according to the technical scheme of the utility model, the high-precision coating composite microbit is formed by the drill handle 1, the drill bit 2, the mounting head 3, the drill rod 4, the connector assembly 5, the chip groove 6, the tip 7, the threaded connection section 8, the outer hexagonal connection section 9 and the arc transition section 10, so that the microbit is convenient to mount and dismount, the mounting is convenient, the connection precision can be ensured through the threaded connection structure, meanwhile, the micro-drill can be prevented from loosening and falling off during operation, and the service life of the microbit is effectively prolonged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a compound micro drill of high accuracy coating, its characterized in that, includes drillstock (1) and drill bit (2), drill bit (2) with drillstock (1) is connected, the top of drillstock (1) is provided with installation head (3), drill bit (2) comprise drilling rod (4) and coupling head subassembly (5), drilling rod (4) fixed connection in the bottom of coupling head subassembly (5), the side of drilling rod (4) is provided with chip groove (6), the bottom of drilling rod (4) is provided with tip (7), coupling head subassembly (5) comprise threaded connection section (8), outer hexagonal connection section (9) and arc changeover portion (10), outer hexagonal connection section (9) connect in threaded connection section (8) with between arc changeover portion (10).
2. A high precision coated composite microbit according to claim 1, characterized in that the bottom end of the drill shank (1) is provided with an arc-shaped connecting section (11), and the inside of the arc-shaped connecting section (11) is provided with a thread groove (12) matching with the thread connecting section (8).
3. A high precision coated composite microbit according to claim 1, characterized in that the drill rod (4) is of one-piece construction with the threaded connection section (8), the outer hexagonal connection section (9) and the curved transition section (10).
4. A high precision coated composite microbit according to claim 1, characterized in that a limit support (13) matching with the drill shank (1) is provided between the threaded connection section (8) and the outer hexagonal connection section (9).
5. A high precision coated composite microbit according to claim 4, characterized in that the outer diameter of the limit support platform (13) is larger than the outer diameter of the threaded connection section (8), and the limit support platform (13) is of an integral structure with the threaded connection section (8) and the outer hexagonal connection section (9).
6. The high-precision coating composite microbit according to claim 2, characterized in that the top end of the threaded connection section (8) is provided with a compression-resistant circular truncated cone (14) matched with the threaded groove (12), the outer diameter of the compression-resistant circular truncated cone (14) is smaller than that of the threaded connection section (8), and the compression-resistant circular truncated cone (14) and the threaded connection section (8) are of an integral connection structure.
7. A high precision coated composite micro-drill according to claim 1, characterized in that the drill bit (2) and the drill shank (1) are both made of tungsten steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122574806.XU CN216325369U (en) | 2021-10-26 | 2021-10-26 | High-precision coating composite micro drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122574806.XU CN216325369U (en) | 2021-10-26 | 2021-10-26 | High-precision coating composite micro drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216325369U true CN216325369U (en) | 2022-04-19 |
Family
ID=81180712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122574806.XU Active CN216325369U (en) | 2021-10-26 | 2021-10-26 | High-precision coating composite micro drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216325369U (en) |
-
2021
- 2021-10-26 CN CN202122574806.XU patent/CN216325369U/en active Active
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