CN212070524U - Shock-proof type fluted drill - Google Patents
Shock-proof type fluted drill Download PDFInfo
- Publication number
- CN212070524U CN212070524U CN202020690556.9U CN202020690556U CN212070524U CN 212070524 U CN212070524 U CN 212070524U CN 202020690556 U CN202020690556 U CN 202020690556U CN 212070524 U CN212070524 U CN 212070524U
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- connecting seat
- drill bit
- drill
- seted
- chip groove
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Abstract
The utility model discloses a shock-proof type fluted drill, including drill bit, water conservancy diversion hole and connecting seat, the chip groove has been seted up to the surface of drill bit, and the inside of drill bit has seted up the water conservancy diversion hole to the exhaust hole has been seted up on the surface of chip groove, the upper end outside of drill bit is provided with the connecting seat, and the upper end of drill bit is provided with the fixed block to be connected with damping spring between fixed block and the connecting seat, the outside of connecting seat is connected with the movable rod, and is connected with torsion spring between movable rod and the connecting seat, the outside of connecting seat is provided with anchor clamps, and the surface of anchor clamps. This shock-proof type fluted drill is provided with the connecting seat, can carry out effectual shock attenuation installation to the drill bit, has improved the installation steadiness of drill bit, is provided with the water conservancy diversion hole simultaneously for the fluted drill can be quick discharge the sweeps in the chip groove at drilling process, avoids the sweeps friction pore wall, has improved the drilling quality of fluted drill.
Description
Technical Field
The utility model relates to a fluted drill technical field specifically is a shock-proof fluted drill.
Background
Twist drill is a comparatively common drilling tool, and its surface is provided with the spiral helicine groove of holding, through installing twist drill on drilling equipment, can carry out drilling processing to the work piece through rotatory twist drill to drill out the hole in the inside of work piece, but twist drill on the existing market still has some not enoughly, for example:
1. because the drill bit can contact with the surface of an object firstly in the drilling process of the twist drill, when the material of the object is hard, the drill bit is easy to vibrate at high frequency when colliding with the object, but most twist drills in the market at present have single structures, so that the drill bit is inconvenient to install and absorb shock effectively, the drill bit is easy to vibrate in the drilling process, and the drilling precision is influenced;
2. because the twist drill can produce a large amount of sweeps at the drilling in-process, but the chip groove structure of the twist drill on the existing market is single for the sweeps easily blocks in the inslot, leads to the drill bit to drive the high-speed rotation of sweeps, makes the sweeps constantly rub with the pore wall, causes the pore wall to be coarse uneven, thereby has reduced drilling effect, has certain use defect.
We have therefore proposed a vibration damping type twist drill in order to solve the problems set forth above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shock-proof type fluted drill to solve the inconvenient installation that carries on stably, shock attenuation and inconvenient quick exhaust problem to the sweeps of fluted drill on the existing market that above-mentioned background art provided.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shock-proof type fluted drill, includes drill bit, water conservancy diversion hole and connecting seat, the chip groove has been seted up to the surface of drill bit, and the inside of drill bit has seted up the water conservancy diversion hole to the exhaust hole has been seted up on the surface of chip groove, the upper end outside of drill bit is provided with the connecting seat, and the upper end of drill bit is provided with the fixed block to be connected with damping spring between fixed block and the connecting seat, the outside of connecting seat is connected with the movable rod, and is connected with torsion spring between movable rod and the connecting seat, the outside of connecting seat is provided with anchor clamps, and.
Preferably, the outer side of the drill bit is provided with an air inlet which is communicated with the diversion hole and is higher than the surface of the drill bit.
Preferably, the diversion hole is communicated with the exhaust hole, the exhaust hole is of an inclined structure, and the slope of the exhaust hole is the same as that of the chip groove.
Preferably, the fixed block and the drill bit are of an integrated structure, the fixed block is of a triangular structure, the fixed block is in clearance fit with the connecting seat, and meanwhile the fixed block and the connecting seat form an elastic telescopic structure through the damping spring.
Preferably, the movable rods are distributed on the outer side of the connecting seat at equal angles, the movable rods form an elastic rotating structure with the connecting seat through torsion springs, and the outer sides of the movable rods are provided with limiting blocks.
Preferably, the grooves are distributed on the outer side of the clamp at equal angles, the grooves are in concave-convex fit with the limiting blocks, and the limiting blocks are of semi-cylindrical structures.
Compared with the prior art, the beneficial effects of the utility model are that: the shock-absorbing twist drill;
1. the damping spring, the connecting seat and the movable rod are arranged, when the drill bit is in contact with the surface of an object to be processed, the drill bit can slide along the inner side of the connecting seat, the damping spring can play a damping role on the drill bit at the moment, the drill bit is prevented from shaking and colliding with the surface of the object, meanwhile, the movable rod can improve the connection stability between the connecting seat and the clamp, the drill bit can bear larger torsion and cannot loosen, the drill bit can be effectively damped and installed through the structure, and the installation stability of the drill bit is improved;
2. be provided with air inlet, water conservancy diversion hole and exhaust hole, when the drill bit carries out high-speed rotatory drilling, the air inlet can be with the air suction in the water conservancy diversion hole to blow gas to the outside of chip groove at a high speed through the exhaust hole, thereby can upwards blow off the sweeps in the chip groove fast, make the drill bit discharge the sweeps in the chip groove that can be quick through this structure, avoid sweeps friction pore wall, improved the drilling quality of fluted drill.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the main sectional structure of the present invention;
FIG. 3 is a schematic side view of the movable rod of the present invention;
FIG. 4 is a schematic view of a three-dimensional structure of the stopper of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
fig. 6 is a schematic view of the connecting seat with a sectional structure.
In the figure: 1. a drill bit; 101. an air inlet; 2. a chip groove; 3. a damping spring; 4. a flow guide hole; 5. an exhaust hole; 6. a connecting seat; 7. a fixed block; 8. a movable rod; 801. a limiting block; 9. a torsion spring; 10. a clamp; 11. and (4) a groove.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a shock-absorbing twist drill comprises a drill bit 1, a chip groove 2, a damping spring 3, a flow guide hole 4, an exhaust hole 5, a connecting seat 6, a fixed block 7, a movable rod 8, a torsion spring 9, a clamp 10 and a groove 11, wherein the chip groove 2 is formed in the outer surface of the drill bit 1, the flow guide hole 4 is formed in the drill bit 1, the exhaust hole 5 is formed in the surface of the chip groove 2, the connecting seat 6 is arranged on the outer side of the upper end of the drill bit 1, the fixed block 7 is arranged on the upper end of the drill bit 1, the damping spring 3 is connected between the fixed block 7 and the connecting seat 6, the movable rod 8 is connected to the outer side of the connecting seat 6, the torsion spring 9 is connected between the movable rod 8 and the connecting seat 6, the clamp 10;
the outer side of the drill bit 1 is provided with an air inlet 101, the air inlet 101 is communicated with the flow guide hole 4, the air inlet 101 is higher than the surface of the drill bit 1, when the drill bit 1 rotates at a high speed, air pressure at the position of the air inlet 101 is reduced, external air is sucked into the flow guide hole 4 through the air inlet 101, and therefore the interior of the twist drill can be cooled;
the diversion hole 4 is communicated with the exhaust hole 5, the exhaust hole 5 is of an inclined structure, the slope of the exhaust hole 5 is the same as that of the chip groove 2, and the structure can ensure that gas in the diversion hole 4 is blown to the chip groove 2 through the exhaust hole 5, so that the gas flow is blown upwards along the chip groove 2, thereby quickly blowing waste chips in the chip groove 2 out, and avoiding the friction between the waste chips and the hole wall;
the fixing block 7 and the drill bit 1 are of an integrated structure, the fixing block 7 is of a triangular structure, the fixing block 7 is in clearance fit with the connecting seat 6, the fixing block 7 and the connecting seat 6 form an elastic telescopic structure through the damping spring 3, the fixing block 7 is of a triangular structure, the torsion resistance of the fixing block 7 can be improved, the fixing block 7 and the connecting seat 6 are prevented from being worn under the action of torsion in the rotating process of the drill bit 1, meanwhile, the damping spring 3 can play a damping role on the drill bit 1, and the effect that the drill bit 1 shakes to affect drilling when contacting with an object is avoided;
the movable rods 8 are distributed on the outer side of the connecting seat 6 at equal angles, the movable rods 8 and the connecting seat 6 form an elastic rotating structure through the torsion springs 9, the limiting blocks 801 are arranged on the outer side of the movable rods 8, and the movable rods 8 can be always attached to the outer surface of the clamp 10 through the elastic force action of the torsion springs 9;
The working principle is as follows: when the damping type twist drill is used, firstly, as shown in fig. 1-5, a fixture 10 of a drilling device is used for stably clamping a connecting seat 6, at the moment, a movable rod 8 automatically rotates under the elastic force action of a torsion spring 9, a limiting block 801 is clamped into a groove 11, so that the connection stability between the connecting seat 6 and the fixture 10 can be improved, the movable rod 8 enables the connecting seat 6 to bear larger torsion, and the connecting seat 6 is prevented from loosening in the rotating process, as shown in fig. 2 and 6, then the drill bit 1 is in contact with an object to be drilled, at the moment, the drill bit 1 can slide along the inner side of the connecting seat 6 and extrudes a damping spring 3, at the moment, the damping spring 3 can play a damping role on the drill bit 1, and the drill bit 1 is prevented from shaking and colliding in the drilling process of being in contact with the object, so that the drilling stability of the;
as shown in fig. 1-2, when the drill bit 1 performs high-speed rotary drilling, the air pressure at the air inlet 101 is reduced, the air inlet 101 sucks air into the diversion hole 4, the air is guided to the exhaust hole 5 through the diversion hole 4, and then the air is blown to the surface of the chip removal groove 2 at high speed through the exhaust hole 5, so that the scraps on the inner side of the chip removal groove 2 can be blown out upwards quickly, the scraps are prevented from rubbing against the hole wall, the smoothness of the hole wall is improved, and meanwhile, the blown air can also cool the drill bit 1, thereby completing a series of work.
Those not described in detail in this specification are within the skill of the art.
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 or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a shock-proof type fluted drill, includes drill bit (1), water conservancy diversion hole (4) and connecting seat (6), its characterized in that: chip groove (2) have been seted up to the surface of drill bit (1), and water conservancy diversion hole (4) have been seted up to the inside of drill bit (1) to exhaust hole (5) have been seted up on the surface of chip groove (2), the upper end outside of drill bit (1) is provided with connecting seat (6), and the upper end of drill bit (1) is provided with fixed block (7) to be connected with damping spring (3) between fixed block (7) and connecting seat (6), the outside of connecting seat (6) is connected with movable rod (8), and is connected with torque spring (9) between movable rod (8) and connecting seat (6), the outside of connecting seat (6) is provided with anchor clamps (10), and the surface of anchor clamps (10) is seted up fluted (11).
2. A vibration reducing twist drill according to claim 1, wherein: the outer side of the drill bit (1) is provided with an air inlet (101), the air inlet (101) is communicated with the diversion hole (4), and the air inlet (101) is higher than the surface of the drill bit (1).
3. A vibration reducing twist drill according to claim 1, wherein: the diversion hole (4) is communicated with the exhaust hole (5), the exhaust hole (5) is of an inclined structure, and the slope of the exhaust hole (5) is the same as that of the chip groove (2).
4. A vibration reducing twist drill according to claim 1, wherein: the fixing block (7) and the drill bit (1) are of an integrated structure, the fixing block (7) is of a triangular structure, the fixing block (7) is in clearance fit with the connecting seat (6), and meanwhile the fixing block (7) and the connecting seat (6) form an elastic telescopic structure through the damping spring (3).
5. A vibration reducing twist drill according to claim 1, wherein: the movable rods (8) are distributed on the outer side of the connecting seat (6) at equal angles, the movable rods (8) and the connecting seat (6) form an elastic rotating structure through torsion springs (9), and limiting blocks (801) are arranged on the outer side of the movable rods (8).
6. A vibration reducing twist drill according to claim 5, wherein: the grooves (11) are distributed on the outer side of the clamp (10) at equal angles, the grooves (11) are in concave-convex fit with the limiting blocks (801), and the limiting blocks (801) are of semi-cylindrical structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020690556.9U CN212070524U (en) | 2020-04-29 | 2020-04-29 | Shock-proof type fluted drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020690556.9U CN212070524U (en) | 2020-04-29 | 2020-04-29 | Shock-proof type fluted drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212070524U true CN212070524U (en) | 2020-12-04 |
Family
ID=73588183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020690556.9U Expired - Fee Related CN212070524U (en) | 2020-04-29 | 2020-04-29 | Shock-proof type fluted drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212070524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895161A (en) * | 2021-01-18 | 2021-06-04 | 邹华智 | Special puncher of building engineering |
-
2020
- 2020-04-29 CN CN202020690556.9U patent/CN212070524U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895161A (en) * | 2021-01-18 | 2021-06-04 | 邹华智 | Special puncher of building engineering |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 Termination date: 20210429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |