CN216881875U - Drill bit capable of adjusting drilling depth - Google Patents
Drill bit capable of adjusting drilling depth Download PDFInfo
- Publication number
- CN216881875U CN216881875U CN202123288244.9U CN202123288244U CN216881875U CN 216881875 U CN216881875 U CN 216881875U CN 202123288244 U CN202123288244 U CN 202123288244U CN 216881875 U CN216881875 U CN 216881875U
- Authority
- CN
- China
- Prior art keywords
- drill
- drill bit
- rod
- telescopic rod
- drilling depth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a drill bit capable of adjusting the drilling depth, which comprises a drill bushing, a telescopic rod, a drill rod and a drill bit. The utility model has the beneficial effects that: the drill rod of the alloy drill bit can slide between the telescopic rod and the drill sleeve, and is connected with the thread grooves at different positions through the fastening bolts when in use, so that the drilling depth of the drill bit can be adjusted, the alloy drill bit is convenient to use, and the drill sleeve, the drill rod and the drill bit are all made of hard alloy materials, so that the hardness of the alloy drill bit can be improved, the abrasion in use is reduced, the alloy drill bit is prevented from being broken, and the service life of the alloy drill bit is prolonged; according to the drill bit, the chip removal grooves are formed, so that waste chips generated by milling can be cleaned, the waste chips are prevented from being accumulated on the surface of a workpiece and damaging a drill edge and the workpiece, and the drill bit is further provided with the plurality of heat dissipation holes, so that the drill bit can be cooled, and the drill bit is prevented from being damaged due to high temperature.
Description
Technical Field
The utility model relates to a drill bit, in particular to a drill bit capable of adjusting the drilling depth, and belongs to the technical field of drill bits.
Background
The drill bit is a tool for drilling a through hole or a blind hole in a solid material and reaming the existing hole, and the commonly used drill bits mainly comprise a twist drill, a flat drill, a center drill, a deep hole drill and a trepanning drill, although the reaming drill and the countersink drill cannot drill the solid material, the reaming drill and the countersink drill are also classified into the drill bits in a habitual way and are often installed on machinery and a machine tool to carry out production and processing operations on a machined part, wherein the alloy drill bit is the most commonly used drill bit.
The existing alloy drill bit has some problems in use:
1) the existing alloy drill bit is fixedly connected with the drill sleeve, so that the drilling depth cannot be adjusted, the use is inconvenient, and the existing alloy drill bit has poor hardness and is easy to wear and break in use;
2) the sweeps that current alloy drill produced when milling can pile up on the work piece surface, causes the destruction to the work piece, increases use cost, and current alloy drill can't dispel the heat to milling the production moreover, leads to the drill bit very easily to damage.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the above problems, and an object of the present invention is to provide a drill capable of adjusting a drilling depth.
The utility model realizes the purpose through the following technical scheme: comprises that
The center of the upper end of the drill bushing is fixedly provided with a connector, and the outer side of the connector is provided with a connecting thread;
the telescopic rod is arranged inside the drill bushing, the lower end of the telescopic rod is fixedly connected with a first connecting lug plate, and fastening bolts are connected with the inner threads of two sides of the first connecting lug plate;
the drill rod is arranged at the lower end of the telescopic rod, the upper end of the drill rod is fixedly connected with a second connecting lug plate, threaded holes are formed in two sides of the second connecting lug plate, and the drill rod and the telescopic rod are fixed through the matching of the first connecting lug plate, the fastening bolt and the second connecting lug plate;
and the drill bit is fixedly welded at the lower end of the drill rod, and a drill blade is fixedly arranged on the side wall of the drill bit.
As a still further scheme of the utility model: the drill bushing is characterized in that a moving groove is fixedly formed in the drill bushing, a telescopic rod is slidably arranged in the moving groove, a fastening screw rod is fixedly mounted on the outer wall of the drill bushing, and a plurality of thread grooves matched with the fastening screw rod are fixedly and uniformly formed in the side walls of the two sides of the telescopic rod.
As a still further scheme of the utility model: and scale marks are fixedly arranged on the outer side wall of the telescopic rod.
As a still further scheme of the utility model: and a chip removal groove is fixedly arranged on the drill bit.
As a still further scheme of the utility model: one side of the drill bit, which is positioned at the chip groove, is provided with heat dissipation holes.
As a still further scheme of the utility model: the drill sleeve, the drill rod and the drill bit are all made of hard alloy materials.
1) The drill rod of the alloy drill bit can slide between the telescopic rod and the drill sleeve, and is connected with the thread grooves at different positions through the fastening bolts when in use, so that the drilling depth of the drill bit can be adjusted, the alloy drill bit is convenient to use, and the drill sleeve, the drill rod and the drill bit are all made of hard alloy materials, so that the hardness of the alloy drill bit can be improved, the abrasion in use is reduced, the alloy drill bit is prevented from being broken, and the service life of the alloy drill bit is prolonged;
2) according to the drill bit, the chip removal grooves are formed, so that waste chips generated by milling can be cleaned, the waste chips are prevented from being accumulated on the surface of a workpiece and damaging a drill edge and the workpiece, and the drill bit is further provided with the plurality of heat dissipation holes, so that the drill bit can be cooled, and the drill bit is prevented from being damaged due to high temperature.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a connection cross-section structure according to the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 1. the drill bushing comprises a drill bushing body, 2, a connector, 3, a telescopic rod, 4, a first connecting lug plate, 5, a second connecting lug plate, 6, a fastening bolt, 7, a drill bit, 8, a drill edge, 9, a heat dissipation hole, 10, a chip removal groove, 11, a moving groove, 12, a thread groove, 13, a fastening screw rod, 14, a scale mark, 15 and a drill rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to FIGS. 1 to 3, a drill with adjustable drilling depth comprises
The center of the upper end of the drill bushing 1 is fixedly provided with a connector 2, and the outer side of the connector 2 is provided with a connecting thread;
the telescopic rod 3 is arranged inside the drill bushing 1, the lower end of the telescopic rod is fixedly connected with a first connecting lug plate 4, and fastening bolts 6 are connected with the inner threads of two sides of the first connecting lug plate 4;
the drill rod 15 is arranged at the lower end of the telescopic rod 3, the upper end of the drill rod is fixedly connected with a second connecting lug plate 5, threaded holes are formed in two sides of the second connecting lug plate 5, and the drill rod 15 and the telescopic rod 3 are fixed through the matching of the first connecting lug plate 4, the fastening bolt 6 and the second connecting lug plate 5;
and the drill bit 7 is fixedly welded at the lower end of the drill rod 15, and a drill blade 8 is fixedly arranged on the side wall of the drill bit.
In the embodiment of the utility model, the drill bushing 1 is fixedly provided with a moving groove 11 inside, the telescopic rod 3 is slidably arranged inside the moving groove 11, the outer wall of the drill bushing 1 is fixedly provided with a fastening screw 13, the side walls of two sides of the telescopic rod 3 are fixedly and uniformly provided with a plurality of thread grooves 12 matched with the fastening screws 13, and the fastening screw 13 is connected with the thread grooves 12 at different positions, so that the drilling depth of the drill bit 7 is adjusted.
In the embodiment of the utility model, the drill bushing 1, the drill rod 15 and the drill bit 7 are all made of hard alloy materials, so that the hardness of the drill bushing, the drill rod and the drill bit can be improved, and the service life of the drill bushing is prolonged.
Example two
Referring to fig. 1 to 3, a drill with adjustable drilling depth includes
The center of the upper end of the drill bushing 1 is fixedly provided with a connector 2, and the outer side of the connector 2 is provided with a connecting thread;
the telescopic rod 3 is arranged inside the drill bushing 1, the lower end of the telescopic rod is fixedly connected with a first connecting lug plate 4, and fastening bolts 6 are connected with the inner threads of two sides of the first connecting lug plate 4;
the drill rod 15 is arranged at the lower end of the telescopic rod 3, the upper end of the drill rod is fixedly connected with a second connecting lug plate 5, threaded holes are formed in two sides of the second connecting lug plate 5, and the drill rod 15 and the telescopic rod 3 are fixed through the matching of the first connecting lug plate 4, the fastening bolt 6 and the second connecting lug plate 5;
and the drill bit 7 is fixedly welded at the lower end of the drill rod 15, and a drill blade 8 is fixedly arranged on the side wall of the drill bit.
In the embodiment of the utility model, the drill bit 7 is fixedly provided with the chip discharge groove 10, so that waste chips generated by milling can be timely treated.
In the embodiment of the utility model, the heat dissipation holes 9 are formed in one side of the drill bit 7, which is located at the chip groove 10, so that the heat dissipation of the drill bit 7 can be realized, and the drill edge 8 is prevented from being damaged by high temperature.
The working principle is as follows: when the drill bit capable of adjusting the drilling depth is used, firstly, the drill bit 7 is connected with the drill bushing 1 through the connection lug plate I4, the fastening bolt 6 and the connection lug plate II 5 by utilizing the telescopic rod 3 in a matching manner, then, the drill bit is connected with a machine tool through the connector 2, milling work can be carried out, when the drilling depth needs to be adjusted, the fastening screw rods 13 on two sides are unscrewed, then, the telescopic rod 3 is moved, the telescopic rod 3 slides in the moving groove 11, further, the extending length of the telescopic rod 3 from the drill bushing 1 is changed, then, the telescopic rod is fixed through the fastening screw rods 13, the drilling depth is adjusted, waste chips generated during milling can be cleaned through the arranged chip discharge grooves 10, heat generated during milling can be dissipated through the heat dissipation holes 9, the damage to the drill bit 7 caused by high temperature is avoided, and the scale marks 14 are fixedly arranged on the outer side wall of the telescopic rod 3, the drilling depth of the drill bit 7 can be accurately adjusted, thereby improving the drilling quality.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A drill bit capable of adjusting the drilling depth is characterized by comprising
The center of the upper end of the drill bushing (1) is fixedly provided with a connector (2), and the outer side of the connector (2) is provided with a connecting thread;
the telescopic rod (3) is arranged inside the drill bushing (1), the lower end of the telescopic rod is fixedly connected with a first connecting lug plate (4), and fastening bolts (6) are connected with the inner threads of two sides of the first connecting lug plate (4);
the drill rod (15) is arranged at the lower end of the telescopic rod (3), the upper end of the drill rod is fixedly connected with a second connecting lug plate (5), threaded holes are formed in two sides of the second connecting lug plate (5), and the drill rod (15) and the telescopic rod (3) are fixed through the matching of the first connecting lug plate (4), the fastening bolt (6) and the second connecting lug plate (5);
and the drill bit (7) is fixedly welded at the lower end of the drill rod (15), and a drill blade (8) is fixedly arranged on the side wall of the drill bit.
2. The drill bit capable of adjusting a drilling depth according to claim 1, wherein: the drill bushing is characterized in that a moving groove (11) is fixedly formed in the drill bushing (1), a telescopic rod (3) is arranged in the moving groove (11) in a sliding mode, a fastening screw rod (13) is fixedly mounted on the outer wall of the drill bushing (1), and a plurality of thread grooves (12) matched with the fastening screw rod (13) are fixedly and uniformly formed in the side walls of the two sides of the telescopic rod (3).
3. An adjustable depth drill according to claim 2, wherein: the outer side wall of the telescopic rod (3) is fixedly provided with scale marks (14).
4. The drill bit capable of adjusting a drilling depth according to claim 1, wherein: and a chip groove (10) is fixedly arranged on the drill bit (7).
5. The drill bit capable of adjusting a drilling depth according to claim 1, wherein: one side of the drill bit (7) positioned at the chip groove (10) is provided with a heat dissipation hole (9).
6. The drill bit capable of adjusting a drilling depth as claimed in claim 1, wherein: the drill sleeve (1), the drill rod (15) and the drill bit (7) are all made of hard alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123288244.9U CN216881875U (en) | 2021-12-25 | 2021-12-25 | Drill bit capable of adjusting drilling depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123288244.9U CN216881875U (en) | 2021-12-25 | 2021-12-25 | Drill bit capable of adjusting drilling depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216881875U true CN216881875U (en) | 2022-07-05 |
Family
ID=82208434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123288244.9U Active CN216881875U (en) | 2021-12-25 | 2021-12-25 | Drill bit capable of adjusting drilling depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216881875U (en) |
-
2021
- 2021-12-25 CN CN202123288244.9U patent/CN216881875U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216881875U (en) | Drill bit capable of adjusting drilling depth | |
| CN217529348U (en) | Large length-diameter ratio superhard diamond micro milling cutter with three-quarter cutter body structure | |
| CN106956049A (en) | A kind of bimetallic critical point drilling tool and its application method | |
| CN215509125U (en) | Mechanical clamping type drill bit assembly with adjustable pore-forming depth | |
| CN213496721U (en) | Blade drill bit for improving deep hole machining efficiency | |
| CN213672029U (en) | Hole machining cutter for numerical control machine tool | |
| CN216881872U (en) | Coating alloy drill bit capable of controlling drilling depth | |
| CN216461982U (en) | Alloy deep hole bores with fixed chuck | |
| CN211135664U (en) | Novel inner-cooling drilling reamer | |
| CN204673027U (en) | Be beneficial to the composite drill bit of chip removal | |
| CN210908243U (en) | Drill bit | |
| CN218396087U (en) | Multifunctional expanding drill | |
| CN217727268U (en) | End mill with sleeve type cutter bar | |
| CN217529318U (en) | Alloy drill bit for high-precision hole machining | |
| CN220699686U (en) | PCD blade for processing carbon fiber composite material | |
| CN212331450U (en) | Five-pit electric hammer drill with heat dissipation function | |
| CN217252890U (en) | Multi-size combined cutting boring cutter | |
| CN217913016U (en) | Hollow drill bit convenient to adjust trompil degree of depth | |
| CN216680416U (en) | Wear-resistant cutting milling cutter for metal drilling | |
| CN217913001U (en) | Can avoid smooth silk and removable alloy drill bit of tool bit | |
| CN217529316U (en) | Drill bit of high-efficient processing | |
| CN220761101U (en) | Twist drill for high-precision reaming | |
| CN218396080U (en) | Drill bit convenient to take and provided with positioning reference | |
| CN217529335U (en) | Stepped step drill with fixing groove | |
| CN216680380U (en) | Alloy deep hole drill for through hole machining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |