CN211758725U - Cooling-free high-speed drill bit - Google Patents
Cooling-free high-speed drill bit Download PDFInfo
- Publication number
- CN211758725U CN211758725U CN202020082438.XU CN202020082438U CN211758725U CN 211758725 U CN211758725 U CN 211758725U CN 202020082438 U CN202020082438 U CN 202020082438U CN 211758725 U CN211758725 U CN 211758725U
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- drill bit
- rotating shaft
- limiting sleeve
- fixing bolt
- limiting
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Abstract
The utility model provides a cooling-free high-speed drill bit, in particular to the field of drill bit production, which comprises a drill bit body, wherein the lower end of the drill bit body is provided with drill grains, the upper end of the drill bit body is a rotating shaft, the outer side of the rotating shaft is provided with a limit sleeve, and the limit sleeve can reciprocate on the rotating shaft; and the rotating shaft is provided with a fixing bolt, and the fixing bolt penetrates through the limiting sleeve and is connected with the rotating shaft. The utility model discloses can convenient control the degree of depth of punching to improve the convenient degree of operation.
Description
Technical Field
The utility model belongs to drill bit production field, concretely relates to high-speed drill bit of no cooling.
Background
The high-speed drill bit without cooling is used for punching of the device or mechanical processing device, but in the punching of the existing drill bit, the punching depth is not easy to control, and the difficulty of the drilling operation is greatly increased. In view of the deficiencies of the prior art, there is a need for a coolless high speed drill that can be used to control the depth of the hole to improve the convenience of the operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a no cooling high-speed drill bit, the degree of depth of punching can convenient control to improve the convenient degree of operation.
The utility model provides a following technical scheme:
a high-speed drill without cooling comprises a drill body, wherein drill grains are arranged at the lower end of the drill body, a rotating shaft is arranged at the upper end of the drill body, a limiting sleeve is arranged on the outer side of the rotating shaft, and the limiting sleeve can reciprocate on the rotating shaft;
and the rotating shaft is provided with a fixing bolt, and the fixing bolt penetrates through the limiting sleeve and is connected with the rotating shaft.
Preferably, the rotating shaft is provided with a plurality of limiting holes from top to bottom, and the fixing bolt penetrates through the side wall of the limiting sleeve and is connected with the limiting holes.
Preferably, grooves are formed in the upper end face and the lower end face of the limiting sleeve, and the distance between the bottoms of the two grooves is equal to the minimum distance between the two adjacent through holes.
Preferably, the upper side and the lower side of the limiting sleeve are in a conical structure.
Preferably, one end of the fixing bolt is provided with threads, and the cross section of the other end of the fixing bolt is a regular triangle, a regular quadrangle or a regular hexagon.
The utility model has the advantages that:
the utility model discloses the lower extreme of drill bit body is equipped with bores the line, and the upper end of drill bit body is the pivot, and the outside of pivot is equipped with the stop collar, and the stop collar can be in the pivot reciprocating motion, through the up-and-down motion of stop collar, can carry on spacingly through the stop collar, and then can convenient control the degree of punching to improve the convenient degree of operation.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a view of the structure of the present invention;
fig. 2 is a structural view of the second embodiment.
Reference numerals: 1. drilling lines; 2. a rotating shaft; 3. a limiting sleeve; 4. a limiting hole; 5. fixing the bolt;
Detailed Description
Referring to fig. 1, a high-speed drill without cooling comprises a drill body, wherein drill grains 1 are arranged at the lower end of the drill body, a rotating shaft 2 is arranged at the upper end of the drill body, a limiting sleeve 3 is arranged on the outer side of the rotating shaft 2, and the limiting sleeve 3 can reciprocate on the rotating shaft 2; the rotating shaft 2 is provided with a fixing bolt 5, and the fixing bolt 5 penetrates through the limiting sleeve 3 and is connected with the rotating shaft 2. Through the up-and-down reciprocating motion of stop collar 3, can carry on spacing with stop collar 3 through fixing bolt 5, and then can convenient control the degree of depth of punching to improve the convenient degree of operation.
Example 2:
referring to fig. 1 and 2, a coolingless high-speed drill comprises a drill body, wherein drill grains 1 are arranged at the lower end of the drill body, a rotating shaft 2 is arranged at the upper end of the drill body, a limiting sleeve 3 is arranged on the outer side of the rotating shaft 2, and the limiting sleeve 3 can reciprocate on the rotating shaft 2; the rotating shaft 2 is provided with a fixing bolt 5, and the fixing bolt 5 penetrates through the limiting sleeve 3 and is connected with the rotating shaft 2. The limiting sleeve 3 can be limited through the fixing bolt 5 by the up-and-down reciprocating motion of the limiting sleeve 3, so that the punching depth can be conveniently controlled, and the convenience of operation is improved;
a plurality of limiting holes 4 are formed in the rotating shaft 2 from top to bottom, and the fixing bolts 5 penetrate through the side wall of the limiting sleeve 3 and are connected with the limiting holes 4; the fixing firmness can be improved by matching the fixing bolt 5 with the limiting hole 4; grooves are formed in the upper end face and the lower end face of the limiting sleeve 3, the distance between the bottoms of the two grooves is equal to the minimum distance between the two adjacent through holes 4, and therefore fixing bolts 5 can be arranged on the upper side and the lower side of each groove; the fixing firmness can be improved; the upper side and the lower side of the limiting sleeve 3 are in a conical structure; the diameter of the lower end of the structure is small, so that the hole pattern can be prevented from being damaged; the fixing bolt 5 has one end with screw thread and the other end with cross section of regular triangle, regular quadrangle or regular hexagon, so that the fixing bolt 5 is convenient to rotate by using tools.
The utility model discloses a working method:
as shown in fig. 1 and 2, the limiting sleeve 3 can be limited by the fixing bolt 5 through up-and-down reciprocating motion of the limiting sleeve 3 to a proper position, so that the punching depth can be conveniently controlled, and the convenience of operation is improved; the fixing firmness can be improved by matching the fixing bolt 5 with the limiting hole 4; grooves are formed in the upper end face and the lower end face of the limiting sleeve 3, the distance between the bottoms of the two grooves is equal to the minimum distance between the two adjacent through holes 4, and therefore fixing bolts 5 can be arranged on the upper side and the lower side of each groove; the fixing firmness can be improved; the upper side and the lower side of the limiting sleeve 3 are in a conical structure; the structure can avoid damaging the hole pattern due to the small diameter of the lower end.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A coolerless high speed drill bit, comprising: the drill bit comprises a drill bit body, wherein drill grains are arranged at the lower end of the drill bit body, a rotating shaft is arranged at the upper end of the drill bit body, a limiting sleeve is arranged on the outer side of the rotating shaft, and the limiting sleeve can reciprocate on the rotating shaft;
and the rotating shaft is provided with a fixing bolt, and the fixing bolt penetrates through the limiting sleeve and is connected with the rotating shaft.
2. The coolerless high speed drill bit of claim 1 wherein: a plurality of limiting holes are formed in the rotating shaft from top to bottom, and the fixing bolts penetrate through the side wall of the limiting sleeve and are connected with the limiting holes.
3. The coolerless high speed drill bit of claim 2 wherein: the upper end face and the lower end face of the limiting sleeve are provided with grooves, and the distance between the bottoms of the two grooves is equal to the minimum distance between two adjacent limiting holes.
4. A coolerless high speed drill bit as claimed in claim 3 wherein: the upper side and the lower side of the limiting sleeve are of conical structures.
5. The coolerless high speed drill bit of claim 4 wherein: and one end of the fixing bolt is provided with threads, and the cross section of the other end of the fixing bolt is a regular triangle, a regular quadrangle or a regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020082438.XU CN211758725U (en) | 2020-01-15 | 2020-01-15 | Cooling-free high-speed drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020082438.XU CN211758725U (en) | 2020-01-15 | 2020-01-15 | Cooling-free high-speed drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211758725U true CN211758725U (en) | 2020-10-27 |
Family
ID=72893628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020082438.XU Active CN211758725U (en) | 2020-01-15 | 2020-01-15 | Cooling-free high-speed drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211758725U (en) |
-
2020
- 2020-01-15 CN CN202020082438.XU patent/CN211758725U/en active Active
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