CN220462337U - Curved blade drill bit - Google Patents
Curved blade drill bit Download PDFInfo
- Publication number
- CN220462337U CN220462337U CN202322136033.6U CN202322136033U CN220462337U CN 220462337 U CN220462337 U CN 220462337U CN 202322136033 U CN202322136033 U CN 202322136033U CN 220462337 U CN220462337 U CN 220462337U
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- fixed
- drill bit
- fixing
- curved
- drill
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- 238000005553 drilling Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 229910003460 diamond Inorganic materials 0.000 claims description 10
- 239000010432 diamond Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model relates to a curved blade drill bit, which comprises a drill bit body, wherein a fixing rod is fixed on the upper surface of the drill bit body, a fixing mechanism for performing curved movement drilling on an object by the drill bit is arranged on the outer side of the fixing rod, a connecting mechanism for improving the wear resistance and the service life of the drill bit is arranged at the bottom end of the drill bit body, and the fixing mechanism comprises a fixing barrel fixed on the outer side of the fixing rod through bolts. This curved edge drill bit, when the motor rotates and drives the drill bit body and rotate, the fixed cylinder rotates along with it, and the outside of fixed cylinder is fixed with the curved cutting edge that is not less than two in quantity and can carry out curved movement drilling to the article, can carry out arbitrary shape drilling at the surface of article, can dismantle the fixed cylinder from the outside of dead lever through the bolt of turning loose fixed cylinder front and back simultaneously, conveniently changes the curved cutting edge of damage, and then has promoted the practicality.
Description
Technical Field
The utility model relates to the technical field of drills, in particular to a curved-edge drill.
Background
The drill bit is a tool for drilling a through hole or a blind hole in a solid material and reaming an existing hole, is a tool commonly used for drilling, and is used for cutting a workpiece mainly through the top end of the tool bit when drilling.
For example, CN 216990023U in chinese patent discloses a drill bit, which comprises a connecting portion and a drill shank detachably connected to the connecting portion, wherein the drill shank is connected with a drilling portion through a bearing; the drill bit is characterized in that the drill shank is provided with the clamping structure which can be clamped on the connecting part, and the drill shank is also provided with the limiting structure which is used for preventing the drill shank from being separated from the connecting part.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the curved blade drill bit which has the advantages of being capable of carrying out curved movement drilling on an object and the like, and solves the problems that the drilling part is used for drilling the object and can not carry out curved movement drilling on the object, so that the practicality of the curved blade drill bit is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a curved blade drill bit, includes the drill bit body, the upper surface of drill bit body is fixed with the dead lever, the outside of dead lever is equipped with the fixed establishment who is used for carrying out curved movement drilling to the drill bit on the article, the bottom of drill bit body is equipped with the coupling mechanism that is used for promoting its wear resistance and life to the drill bit;
the fixing mechanism comprises a fixing cylinder fixed on the outer side of a fixing rod through bolts, the outer side of the fixing cylinder is fixedly provided with at least two curved cutting edges, the left side wall and the right side wall of the inner cavity of the fixing cylinder are respectively provided with a limiting groove, limiting blocks are connected in a sliding mode in the limiting grooves, the left side and the right side of the limiting blocks are fixedly connected with the left side and the right side of the fixing rod, opposite to each other, of the limiting blocks, and the top end of the fixing rod is fixedly provided with an inserting installation rod.
Further, the inside diameter of the fixed cylinder is matched with the outside diameter of the fixed rod, and the fixed cylinder moves linearly up and down on the outer side of the fixed rod.
Further, the limiting blocks on the left side and the right side are symmetrically distributed on the left side and the right side of the longitudinal central axis of the fixing rod, and the curve cutting edges with the number not less than two are uniformly distributed on the outer side of the fixing barrel.
Further, the limiting block linearly moves up and down in the limiting groove, and the limiting grooves on the left side and the right side are symmetrically distributed on the left side and the right side of the longitudinal central axis of the fixed cylinder.
Further, the fixed rod is located on the longitudinal axis of the drill bit body, and the outer diameter of the insertion installation rod is equal to the outer diameter of the fixed rod in size.
Further, coupling mechanism is including fixing the stationary blade in bit body bottom, the lower fixed surface of stationary blade has horizontal cutting edge, the stationary blade lower surface just is located the front and back both sides of horizontal cutting edge and all is fixed with vertical cutting edge, horizontal cutting edge openly with the back and be located the downside of the vertical cutting edge of front and back side and all be fixed with diamond blade.
Further, the transverse cutting edges are positioned on the transverse central axis of the fixing piece, and the longitudinal cutting edges on the front side and the rear side are symmetrically distributed on the front side and the rear side of the transverse central axis of the transverse cutting edges.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this curved edge drill bit, when the motor rotates and drives the drill bit body and rotate, the fixed cylinder rotates along with it, and the outside of fixed cylinder is fixed with the curved cutting edge that is not less than two in quantity and can carry out curved movement drilling to the article, can carry out arbitrary shape drilling at the surface of article, can dismantle the fixed cylinder from the outside of dead lever through the bolt of turning loose fixed cylinder front and back simultaneously, conveniently changes the curved cutting edge of damage, and then has promoted the practicality.
2. According to the curved blade drill bit, the transverse cutting edge and the longitudinal cutting edge are respectively fixed on the lower surface of the fixing piece, then the diamond blades are respectively fixed on the front surface and the back surface of the transverse cutting edge and the lower sides of the longitudinal cutting edges on the front side and the back side, the toughness of the transverse cutting edge can be improved by the diamond blades on the front side and the back side, the abrasion condition is reduced, and accordingly the service life of the curved blade drill bit can be prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a securing mechanism according to the present utility model;
FIG. 3 is a schematic view of the connecting mechanism of the present utility model.
In the figure: the drill bit comprises a drill bit body 1, a fixing rod 2, a fixing mechanism 3, a fixing cylinder 301, a curved cutting edge 302, a limiting groove 303, a limiting block 304 and a limiting block 305, an inserting and mounting rod 4, a connecting mechanism 401, a fixing sheet 402, a transverse cutting edge 403, a longitudinal cutting edge 403 and a diamond blade 404.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, a curved blade drill in this embodiment includes a drill body 1, the drill body 1 is in the prior art, a fixing rod 2 is fixed on the upper surface of the drill body 1, a fixing mechanism 3 for performing curved movement drilling on an object is arranged on the outer side of the fixing rod 2, the fixing mechanism 3 can perform curved movement drilling on the object with the drill, a connecting mechanism 4 for improving the wear resistance and the service life of the drill is arranged at the bottom end of the drill body 1, and the wear resistance and the service life of the bottom end of the drill are improved by the connecting mechanism 4.
Referring to fig. 2, in order to perform curve movement drilling on an object, in this embodiment, the fixing mechanism 3 includes a fixing cylinder 301 fixed on the outer side of the fixing rod 2 by bolts, a number of curve cutting edges 302 are fixed on the outer side of the fixing cylinder 301, limiting grooves 303 are formed on the left and right side walls of the inner cavity of the fixing cylinder 301, limiting blocks 304 are slidably connected in the limiting grooves 303, the opposite sides of the left and right limiting blocks 304 are fixedly connected on the left and right sides of the fixing rod 2, an inserting mounting rod 305 is fixed on the top end of the fixing rod 2, the curve cutting edge drill can be mounted and fixed on the output end of the drill motor by inserting the mounting rod 305, the fixing cylinder 301 can be fixed on the outer side of the fixing rod 2 by bolts, the limiting blocks 304 on the left and right sides of the fixing rod 2 are located in the inner sides of the limiting grooves 303 of the left and right sides of the inner cavity of the fixing cylinder 301, stability of the fixing cylinder 301 on the outer side of the fixing rod 2 can be improved, when the motor rotates to drive the drill body 1 to rotate, the fixing cylinder 301 rotates along with the fixing cylinder, the fixing cylinder is fixed with the fixing cylinder 301, the number of the fixing blades on the outer side of the fixing cylinder 301 are fixed on the outer side of the fixing cylinder 2, the fixing cylinder 302 can be fixed on the outer sides of the curve cutting edges of the object, and the curve cutting edge of the object can be moved on the surface of the object.
In this embodiment, the inner diameter of the fixed cylinder 301 is adapted to the outer diameter of the fixed rod 2, the fixed cylinder 301 moves linearly up and down on the outer side of the fixed rod 2, the left and right limiting blocks 304 are symmetrically distributed on the left and right sides of the longitudinal central axis of the fixed rod 2, the number of the curved cutting edges 302 not less than two are uniformly distributed on the outer side of the fixed cylinder 301, the limiting blocks 304 move linearly up and down in the limiting grooves 303, the left and right limiting grooves 303 are symmetrically distributed on the left and right sides of the longitudinal central axis of the fixed cylinder 301, the fixed rod 2 is located on the longitudinal central axis of the drill bit body 1, and the outer diameter of the inserted mounting rod 305 is equal to the outer diameter of the fixed rod 2.
It should be noted that, the fixing cylinder 301 can be detached from the outer side of the fixing rod 2 by loosening the bolts on the front and back sides of the fixing cylinder 301, so that the damaged curved cutting edge 302 can be replaced conveniently, and the practicability is improved.
Referring to fig. 3, in order to improve the wear resistance and service life of the bottom end of the drill bit, in this embodiment, the connecting mechanism 4 includes a fixing plate 401 fixed at the bottom end of the drill bit body 1, a transverse cutting edge 402 is fixed on the lower surface of the fixing plate 401, longitudinal cutting edges 403 are fixed on the front and rear sides of the fixing plate 401, diamond blades 404 are fixed on the front and rear sides of the transverse cutting edge 402 and the lower sides of the front and rear longitudinal cutting edges 403, a transverse cutting edge 402 and a longitudinal cutting edge 403 are fixed on the lower surface of the fixing plate 401, and then diamond blades 404 are fixed on the front and rear sides of the transverse cutting edge 402 and the lower sides of the front and rear longitudinal cutting edges 403.
In this embodiment, the transverse cutting edge 402 is located on the transverse central axis of the fixing piece 401, and the front and rear longitudinal cutting edges 403 are symmetrically distributed on the front and rear sides of the transverse central axis of the transverse cutting edge 402.
It should be noted that the front and rear diamond blades 404 may improve the toughness of the transverse cutting edge 402, reduce the occurrence of wear, and thus may improve the service life of the curved-edge drill.
The working principle of the embodiment is as follows:
(1) The curve-edge drill bit can be installed and fixed at the output end of the drill motor by inserting the installation rod 305, the fixing barrel 301 can be fixed on the outer side of the fixing rod 2 by means of bolts, limiting blocks 304 on the left side and the right side of the fixing rod 2 are located in limiting grooves 303 on the left side and the right side of the inner cavity of the fixing barrel 301, stability of the fixing barrel 301 on the outer side of the fixing rod 2 can be improved, when the motor rotates to drive the drill bit body 1 to rotate, the fixing barrel 301 rotates along with the fixing barrel, the curve-edge 302 with the number not less than two is fixed on the outer side of the fixing barrel 301, curve-movement drilling can be conducted on an object, holes can be drilled in any shape on the surface of the object, meanwhile, the fixing barrel 301 can be detached from the outer side of the fixing rod 2 by twisting the bolts on the front side and the back side of the fixing barrel 301, damaged curve-edge 302 can be replaced conveniently, and the practicality is improved.
(2) The lower surface of the drill bit body 1 is fixed with a fixing sheet 401, the lower surface of the fixing sheet 401 is respectively fixed with a transverse cutting edge 402 and a longitudinal cutting edge 403, then the front surface and the back surface of the transverse cutting edge 402 and the lower sides of the front and back longitudinal cutting edges 403 are respectively fixed with a diamond blade 404, the toughness of the transverse cutting edge 402 can be improved by the diamond blades 404 on the front and back sides, the abrasion condition is reduced, and the service life of the curve-edge drill bit can be prolonged.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A curved blade drill bit comprising a bit body (1), characterized in that: the drill bit comprises a drill bit body (1), and is characterized in that a fixing rod (2) is fixed on the upper surface of the drill bit body (1), a fixing mechanism (3) for performing curve movement drilling on an object by the drill bit is arranged on the outer side of the fixing rod (2), and a connecting mechanism (4) for improving the wear resistance and the service life of the drill bit is arranged at the bottom end of the drill bit body (1);
fixed establishment (3) are including fixing fixed section of thick bamboo (301) in the dead lever (2) outside through the bolt fastening, the outside of fixed section of thick bamboo (301) is fixed with curve cutting edge (302) that quantity is not less than two, spacing groove (303) have all been seted up to the left and right sides wall of fixed section of thick bamboo (301) inner chamber, the inside sliding connection of spacing groove (303) has stopper (304), left and right sides the left and right sides of the equal dead lever (2) of one side that stopper (304) is relative is fixed with the left and right sides fixed connection of inserting installation pole (305) in dead lever (2) top.
2. A curved edge drill as claimed in claim 1, wherein: the inner diameter of the fixed cylinder (301) is matched with the outer diameter of the fixed rod (2), and the fixed cylinder (301) moves linearly up and down on the outer side of the fixed rod (2).
3. A curved edge drill as claimed in claim 1, wherein: the limiting blocks (304) on the left side and the right side are symmetrically distributed on the left side and the right side of the longitudinal central axis of the fixed rod (2), and the number of the curved cutting edges (302) which are not less than two are uniformly distributed on the outer side of the fixed cylinder (301).
4. A curved edge drill as claimed in claim 1, wherein: the limiting blocks (304) linearly move up and down in the limiting grooves (303), and the limiting grooves (303) on the left side and the right side are symmetrically distributed on the left side and the right side of the longitudinal central axis of the fixed cylinder (301).
5. A curved edge drill as claimed in claim 1, wherein: the fixed rod (2) is positioned on the longitudinal axis of the drill bit body (1), and the outer diameter of the insertion installation rod (305) is equal to the outer diameter of the fixed rod (2).
6. A curved edge drill as claimed in claim 1, wherein: coupling mechanism (4) are including fixing stationary blade (401) in drill bit body (1) bottom, the lower surface of stationary blade (401) is fixed with horizontal cutting edge (402), stationary blade (401) lower surface just is located the front and back both sides of horizontal cutting edge (402) and all is fixed with vertical cutting edge (403), the downside that horizontal cutting edge (402) openly and the back just is located front and back side vertical cutting edge (403) all is fixed with diamond blade (404).
7. A curved edge drill as defined in claim 6, wherein: the transverse cutting edges (402) are positioned on the transverse central axis of the fixing piece (401), and the longitudinal cutting edges (403) on the front side and the rear side are symmetrically distributed on the front side and the rear side of the transverse central axis of the transverse cutting edges (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322136033.6U CN220462337U (en) | 2023-08-09 | 2023-08-09 | Curved blade drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322136033.6U CN220462337U (en) | 2023-08-09 | 2023-08-09 | Curved blade drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220462337U true CN220462337U (en) | 2024-02-09 |
Family
ID=89804035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322136033.6U Active CN220462337U (en) | 2023-08-09 | 2023-08-09 | Curved blade drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220462337U (en) |
-
2023
- 2023-08-09 CN CN202322136033.6U patent/CN220462337U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |