CN217573294U - Diamond bit with adjustable aperture - Google Patents
Diamond bit with adjustable aperture Download PDFInfo
- Publication number
- CN217573294U CN217573294U CN202220825991.7U CN202220825991U CN217573294U CN 217573294 U CN217573294 U CN 217573294U CN 202220825991 U CN202220825991 U CN 202220825991U CN 217573294 U CN217573294 U CN 217573294U
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- drill bit
- aperture
- positioning
- diamond
- fixing
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Abstract
The utility model belongs to the technical field of the diamond bit technique and specifically relates to an aperture adjustable diamond bit, including the drill bit casing, the drill bit casing is the drum structure, just the inside grafting of drill bit casing has the pilot drill bit, the fixed column is installed to pilot drill bit bottom, the fixed column has a plurality of first locating holes along circumference evenly opened, drill bit casing top has a plurality of positioning bolt along circumference evenly pegging graft, drill bit casing top evenly installs a plurality of first drill bits along circumference, positioning bolt with the interval sets up between the first drill bit, just positioning bolt's size with the size phase-match in first locating hole, drill bit casing bottom evenly opens along circumference has a plurality of mounting grooves, the inside joint of mounting groove has the second drill bit, the second drill bit with be provided with aperture adjustment mechanism between the pilot drill bit, aperture adjustment mechanism is used for adjusting second drill bit drilling aperture, the utility model discloses simple structure, convenient operation.
Description
Technical Field
The utility model relates to a diamond bit technical field especially relates to an aperture adjustable diamond bit.
Background
When wood or metal materials are processed, holes of precast holes or bottom holes need to be enlarged and the cylindricity or roughness needs to be improved to achieve the effect of finish machining or final machining, and when the existing drilling is carried out at different hole diameters, drill bits with different sizes need to be frequently changed, so that the frequent change of the drill bits consumes more time and affects the drilling speed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the existing drill bit in the prior art takes a long time to drill holes in different sizes, and providing a diamond drill bit with adjustable aperture.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the diamond drill bit with the adjustable aperture comprises a drill bit shell, wherein the drill bit shell is of a cylindrical structure, a hole-fixing drill bit is inserted into the drill bit shell, a fixed column is installed at the bottom of the hole-fixing drill bit, a plurality of first positioning holes are uniformly formed in the fixed column in the circumferential direction, a plurality of positioning bolts are uniformly inserted into the top of the drill bit shell in the circumferential direction, a plurality of first drill bits are uniformly installed at the top of the drill bit shell in the circumferential direction, the positioning bolts are arranged between the first drill bits at intervals, the size of each positioning bolt is matched with the size of each first positioning hole, a plurality of mounting grooves are uniformly formed in the bottom of the drill bit shell in the circumferential direction, a second drill bit is clamped in each mounting groove, an aperture adjusting mechanism is arranged between the second drill bit and the hole-fixing drill bit, and the aperture adjusting mechanism is used for adjusting the drilling aperture of the second drill bit.
Preferably, aperture adjustment mechanism is including adjusting seat, fixing base, fixture block and draw-in groove, it installs to adjust the seat the second drill bit with one side that the mounting groove meets, just the draw-in groove is seted up it keeps away from to adjust the seat on one end of second drill bit, the fixing base is installed the fixed column bottom, just the fixture block is followed fixed column circumference evenly sets up.
Preferably, the size of the fixture block is matched with that of the fixture groove.
Preferably, a second positioning hole is formed in the top of one end, away from the second drill bit, of the top of the adjusting seat, a plurality of positioning columns are uniformly arranged at the bottom of one end, away from the fixing column, of the fixing seat along the circumferential direction, and the size of each positioning column is matched with that of the second positioning hole.
Preferably, the first drill bit is smaller in size than the second drill bit.
The utility model provides a pair of aperture adjustable diamond bit, beneficial effect lies in: this aperture adjustable diamond bit utilizes drill bit casing to accomplish the setting to first drill bit and second drill bit to conveniently punch the operation through setting up of fixed-hole drill bit, utilize aperture adjustment mechanism's setting simultaneously, conveniently adjust drill bit drilling aperture, improve device's practicality.
Drawings
Fig. 1 is a schematic perspective view of a diamond drill with an adjustable aperture according to the present invention;
fig. 2 is an exploded view of a diamond drill with an adjustable aperture according to the present invention;
FIG. 3 is a schematic structural view of a fixed-hole drill of a diamond drill with an adjustable aperture according to the present invention;
fig. 4 is the utility model provides a drill bit shell explosion structure schematic diagram of aperture adjustable diamond bit.
In the figure: the positioning device comprises a positioning drill bit 1, a drill bit shell 2, a first drill bit 3, a second drill bit 4, a positioning bolt 5, a fixing column 6, a first positioning hole 7, a fixing seat 8, a clamping block 9, a positioning column 10, an adjusting seat 11, a second positioning hole 12, a mounting groove 13 and a clamping groove 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1-4, an aperture adjustable diamond bit, including drill bit housing 2, drill bit housing 2 is the drum structure, and drill bit housing 2 is inside to be pegged graft there is fixed hole drill bit 1, fixed column 6 is installed to fixed hole drill bit 1 bottom, fixed column 6 has a plurality of first locating holes 7 along the even division of circumference, 2 tops of drill bit housing are evenly pegged graft along circumference and are had a plurality of positioning bolt 5, 2 tops of drill bit housing evenly install a plurality of first drill bits 3 along circumference, the interval sets up between positioning bolt 5 and the first drill bit 3, and positioning bolt 5's size and first locating hole 7's size phase-match, conveniently accomplish the fixed of fixed hole drill bit 1, be convenient for carry out drilling operation, 2 bottoms of drill bit housing evenly open along circumference has a plurality of mounting grooves 13, the inside joint of mounting groove 13 has second drill bit 4, be provided with aperture adjustment mechanism between second drill bit 4 and the fixed hole drill bit 1, aperture adjustment mechanism is used for adjusting second drill bit 4 drilling aperture, the size of first drill bit 3 is less than second drill bit 4, conveniently carry out the regulation of different drilling apertures.
The aperture adjusting mechanism comprises an adjusting seat 11, a fixed seat 8, a fixture block 9 and a clamping groove 14, the adjusting seat 11 is installed on one side, connected with a mounting groove 13, of the second drill bit 4, the clamping groove 14 is formed in one end, far away from the second drill bit 4, of the adjusting seat 11, the fixed seat 8 is installed at the bottom of the fixed seat 6, the fixture block 9 is evenly arranged along the circumferential direction of the fixed seat 6, the size of the fixture block 9 is matched with that of the clamping groove 14, clamping between the fixture block 9 and the clamping groove 14 is utilized, clamping between the adjusting seat 11 and the fixed seat 8 is conveniently completed, outward expansion clamping of the second drill bit 4 is completed, adjustment of the aperture of the drill bit is completed, a second positioning hole 12 is formed in the top of one end, far away from the second drill bit 4, of the top of the adjusting seat 11, a plurality of positioning columns 10 are evenly installed at the bottom of one end, far away from the fixed seat 6, along the circumferential direction, of the fixed seat 8, the size of the positioning columns 10 is matched with that of the second positioning columns 12, insertion connection between the second positioning columns 12 and the positioning columns 10 is utilized, installation stability between the adjusting seat 11 and the drill bit shell 2 can be improved, and normal operation is convenient to carry out.
According to the working principle, when an operator inserts the positioning bolt 5 into the positioning hole, the positioning drill bit 1 is fixed inside the drill bit shell 1, meanwhile, the positioning column 10 on the fixing seat 8 mounted at the bottom of the positioning drill bit 1 is inserted into the second positioning hole 12, the fixing of the position of the second drill bit 4 and the position of the adjusting seat 11 can be completed, the second drill bit is in a contraction state, the drill bit shell 2 completes drilling with the first drill bit 3, the positioning bolt 5 is pulled out, the positioning drill bit 1 is lowered, the clamping block 9 circumferentially clamped with the fixing seat 8 mounted at the bottom of the positioning drill bit 1 is clamped with the clamping groove 14 formed in the end of the adjusting seat 11, the fixing seat 8 extrudes the adjusting seat 11 to enable the second drill bit 4 to expand, and at the same time, the drill bit shell 2 completes drilling operation with the aperture of the second drill bit 4, the purpose of adjusting the aperture of the drill bit is achieved, and the practicability of the device is improved.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (5)
1. The diamond drill bit with the adjustable aperture comprises a drill bit shell (2) and is characterized in that the drill bit shell (2) is of a cylindrical structure, a hole-fixing drill bit (1) is inserted into the drill bit shell (2), a fixing column (6) is installed at the bottom of the hole-fixing drill bit (1), a plurality of first positioning holes (7) are uniformly formed in the fixing column (6) along the circumferential direction, a plurality of positioning bolts (5) are uniformly inserted into the top of the drill bit shell (2) along the circumferential direction, a plurality of first drill bits (3) are uniformly installed at the top of the drill bit shell (2) along the circumferential direction, the positioning bolts (5) and the first drill bits (3) are arranged at intervals, the size of the positioning bolts (5) is matched with that of the first positioning holes (7), a plurality of mounting grooves (13) are uniformly formed in the bottom of the drill bit shell (2) along the circumferential direction, a second drill bit (4) is clamped into the mounting groove (13), an aperture adjusting mechanism is arranged between the second drill bit (4) and the hole-fixing drill bit (1), and the aperture adjusting mechanism is used for adjusting the aperture of a second drill bit (4).
2. The diamond drill bit with the adjustable aperture according to claim 1, wherein the aperture adjusting mechanism comprises an adjusting seat (11), a fixed seat (8), a fixture block (9) and a clamping groove (14), the adjusting seat (11) is installed on one side of the second drill bit (4) connected with the installation groove (13), the clamping groove (14) is opened at one end of the adjusting seat (11) far away from the second drill bit (4), the fixed seat (8) is installed at the bottom of the fixed column (6), and the fixture blocks (9) are uniformly arranged along the circumferential direction of the fixed column (6).
3. The diamond drill bit with adjustable aperture according to claim 2, characterized in that the size of the fixture block (9) matches the size of the fixture groove (14).
4. The diamond drill bit with the adjustable aperture according to claim 2, characterized in that a second positioning hole (12) is formed in the top of one end, away from the second drill bit (4), of the top of the adjusting seat (11), a plurality of positioning posts (10) are uniformly arranged on the bottom of one end, away from the fixing post (6), of the fixing seat (8) along the circumferential direction, and the size of each positioning post (10) is matched with that of the second positioning hole (12).
5. Diamond drill bit with adjustable aperture according to claim 2, characterized in that the first drill bit (3) has a smaller size than the second drill bit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220825991.7U CN217573294U (en) | 2022-04-11 | 2022-04-11 | Diamond bit with adjustable aperture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220825991.7U CN217573294U (en) | 2022-04-11 | 2022-04-11 | Diamond bit with adjustable aperture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217573294U true CN217573294U (en) | 2022-10-14 |
Family
ID=83541387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220825991.7U Active CN217573294U (en) | 2022-04-11 | 2022-04-11 | Diamond bit with adjustable aperture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217573294U (en) |
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2022
- 2022-04-11 CN CN202220825991.7U patent/CN217573294U/en active Active
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