CN218396087U - Multifunctional expanding drill - Google Patents
Multifunctional expanding drill Download PDFInfo
- Publication number
- CN218396087U CN218396087U CN202222449963.2U CN202222449963U CN218396087U CN 218396087 U CN218396087 U CN 218396087U CN 202222449963 U CN202222449963 U CN 202222449963U CN 218396087 U CN218396087 U CN 218396087U
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- drill bit
- drill
- reamer
- fixedly connected
- drill rod
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Abstract
The utility model discloses a multi-functional reamer, including drilling rod, drill bit, coupling assembling and chip groove. The beneficial effects of the utility model are that: the utility model discloses a set up a plurality of chip grooves, can carry out timely clearance to the sweeps that mill the production, avoid the sweeps to pile up and influence the work piece and mill the precision on the surface of work piece, and still set up a plurality of evenly distributed louvres on the surface of drill bit, can mill the time, dispel the heat to the temperature that produces on the surface of drill bit, avoid the high temperature to reduce the life of drill bit; through setting up coupling assembling, can be connected drilling rod and blade holder, the convenience is changed the reamer in the later stage, avoids whole replacement to increase use cost to at the interior roof fixedly connected with protection pad of mounting groove, can avoid drilling rod and blade holder direct contact to cause wearing and tearing.
Description
Technical Field
The utility model relates to a reamer specifically is a multi-functional reamer, belongs to drill bit technical field.
Background
The drill bit and the reamer are the same thing and belong to one type of milling cutter, but the functions of the drill bit and the reamer are different, the drill bit is used for drilling a bottom hole, and the reamer is used for enlarging the bottom hole drilled by the drill bit.
When the existing reamers are used, the following defects often exist:
1) When the existing reamer is used, the waste chips generated by milling cannot be cleaned, so that the waste chips are accumulated on the surface of a workpiece, and the milling precision of the workpiece is influenced;
2) The drill rod and the tool apron of the existing reamer are generally not detachable, the reamer needs to be replaced due to abrasion after being used for a long time, and the existing operation method is to integrally replace the drill rod and the tool apron, so that the use cost is increased.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a multi-functional reamer for solving at least one of the above problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a multifunctional expanding drill comprises
The drill rod forms a main body part of the reamer, the upper end of the drill rod is fixedly connected with a cutter holder, and the central position of the upper surface of the cutter holder is fixedly connected with a connector;
the drill bit is fixedly connected to the lower end of the drill rod, and drill blades are symmetrically and fixedly connected to the position, close to the lower end, of the drill bit;
the connecting assembly is arranged between the drill rod and the drill bit and comprises fastening bolts arranged on two sides of the drill rod and mounting grooves formed in the bottom surface of the cutter holder;
and the chip removal grooves are wound on the surface of the drill bit.
As a further aspect of the present invention: the outer surface of the connector is provided with a connecting external thread.
As a further aspect of the present invention: the chip groove sets up a plurality ofly.
As a further aspect of the present invention: the surface of the drill bit is also provided with a plurality of heat dissipation holes which are uniformly distributed.
As the utility model discloses further scheme again: threaded holes are symmetrically formed in the two sides of the mounting groove, a limiting block is fixedly connected to the inner wall face of one side of the mounting groove, a limiting groove matched with the limiting block is formed in the surface of the drill rod, mounting holes matched with the threaded holes are formed in the surface of the drill rod, and fastening bolts are in threaded connection with the threaded holes and the mounting holes.
As the utility model discloses further scheme again: the interior roof fixedly connected with protection pad of mounting groove, the protection pad adopts rubber materials to make.
The utility model has the advantages that:
1) The utility model discloses a set up a plurality of chip grooves, can carry out timely clearance to the sweeps that mill the production, avoid the sweeps to pile up and influence the work piece and mill the precision on the surface of work piece, and still set up a plurality of evenly distributed louvres on the surface of drill bit, can mill the time, dispel the heat to the temperature that produces on the surface of drill bit, avoid the high temperature to reduce the life of drill bit;
2) The utility model discloses a set up coupling assembling, can be connected the drilling rod with the blade holder, the convenience is changed the reamer in the later stage, avoids whole replacement to increase use cost to in the interior roof fixedly connected with protection of mounting groove pad, can avoid drilling rod and blade holder direct contact to cause wearing and tearing.
Drawings
Fig. 1 is a schematic view of the overall structure of the reamer of the present invention;
FIG. 2 is a schematic view of the disassembly structure of the drill stem and the tool post of the present invention;
fig. 3 is a schematic view of the connection structure of the middle protection pad and the tool post of the present invention.
In the figure: 1. drilling rod, 2, drill bit, 3, chip groove, 4, louvre, 5, drill edge, 6, blade holder, 7, connection external screw thread, 8, connector, 9, mounting groove, 10, screw hole, 11, fastening bolt, 12, spacing groove, 13, stopper, 14, protection pad, 15, mounting hole.
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 efforts all belong to the protection scope of the present invention.
Example one
As shown in fig. 1 to 3, a multi-functional reamer includes
The drill rod 1 forms a main body part of the reamer, the upper end of the drill rod is fixedly connected with a tool apron 6, and the center of the upper surface of the tool apron 6 is fixedly connected with a connector 8;
the drill bit 2 is fixedly connected to the lower end of the drill rod 1, and drill edges 5 are symmetrically and fixedly connected to the position, close to the lower end, of the drill bit 2;
the connecting assembly is arranged between the drill rod 1 and the drill bit 2 and comprises fastening bolts 11 arranged on two sides of the drill rod 1 and a mounting groove 9 arranged on the bottom surface of the tool apron 6;
and the chip grooves 3 are wound on the surface of the drill bit 2.
The embodiment of the utility model provides an in, the surface of connector 8 is provided with connects external screw thread 7, through connecting external screw thread 7, conveniently is connected reamer and lathe.
The embodiment of the utility model provides an in, chip groove 3 sets up a plurality ofly, can carry out timely clearance to the sweeps that mills the production, avoids the sweeps to pile up and influences the work piece at the workpiece surface and mill the precision.
The embodiment of the utility model provides an in, a plurality of evenly distributed louvres 4 have still been seted up on the surface of drill bit 2, can dispel the heat to the temperature that 2 surfaces of drill bit produced when milling, avoid high temperature to reduce the life of drill bit 2.
Example two
As shown in fig. 1 to 3, a multi-functional reamer includes
The drill rod 1 forms a main body part of the reamer, the upper end of the drill rod is fixedly connected with a tool apron 6, and the center of the upper surface of the tool apron 6 is fixedly connected with a connector 8;
the drill bit 2 is fixedly connected to the lower end of the drill rod 1, and drill edges 5 are symmetrically and fixedly connected to the position, close to the lower end, of the drill bit 2;
the connecting assembly is arranged between the drill rod 1 and the drill bit 2 and comprises fastening bolts 11 arranged on two sides of the drill rod 1 and mounting grooves 9 formed in the bottom surface of the tool apron 6;
and the chip grooves 3 are wound on the surface of the drill bit 2.
The embodiment of the utility model provides an in, threaded hole 10 is seted up to the bilateral symmetry of mounting groove 9, and one side internal face fixedly connected with stopper 13 of mounting groove 9, spacing groove 12 with stopper 13 matched with is seted up on the surface of drilling rod 1, the surface of drilling rod 1 seted up with threaded hole 10 matched with mounting hole 15, equal threaded connection has fastening bolt 11 in threaded hole 10 and the mounting hole 15, can be connected drilling rod 1 and blade holder 6, the convenience is changed the reamer in the later stage, avoid whole replacement to increase use cost.
The embodiment of the utility model provides an in, the interior roof fixedly connected with protection pad 14 of mounting groove 9, protection pad 14 adopt rubber materials to make, can avoid drilling rod 1 and blade holder 6 direct contact to cause wearing and tearing.
The working principle is as follows: when the multifunctional reaming drill is used, firstly, the reaming drill is connected with a machine tool through the connecting external threads 7 arranged on the surface of the connector 8, then, milling processing can be carried out on a workpiece, in the using process, scraps generated by milling are timely cleaned through the chip removal grooves 3, the condition that the scraps are accumulated on the surface of the workpiece to influence the milling precision of the workpiece is avoided, the temperature generated on the surface of the drill bit 2 during milling is dissipated through the heat dissipation holes 4, after the multifunctional reaming drill is used for a period of time, the drill bit 2 can be abraded, the milling precision is reduced, at the moment, the reaming drill bit needs to be replaced, the machine tool is closed, the reaming drill is taken down, then the fastening bolts 11 on two sides are unscrewed, the fastening bolts 11 are unscrewed from the threaded holes 10 and the mounting holes 15, then, the drill rod 1 is separated from the tool apron 6, a new reaming drill is replaced, the reaming drill is screwed into the mounting groove 9 through the matching of the limiting blocks 13 and the limiting grooves 12, the fastening bolts 11 on two sides are taken down again, and the reaming drill is replaced, and the use cost is prevented from being increased integrally.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 multifunctional expanding drill is characterized by comprising
The drill rod (1) forms a main body part of the reamer, a tool apron (6) is fixedly connected to the upper end of the drill rod, and a connector (8) is fixedly connected to the center of the upper surface of the tool apron (6);
the drill bit (2) is fixedly connected to the lower end of the drill rod (1), and drill blades (5) are symmetrically and fixedly connected to the position, close to the lower end, of the drill bit;
the connecting assembly is arranged between the drill rod (1) and the drill bit (2) and comprises fastening bolts (11) arranged on two sides of the drill rod (1) and a mounting groove (9) formed in the bottom surface of the cutter holder (6);
the chip groove (3) is wound on the surface of the drill bit (2).
2. The multi-function reamer of claim 1, wherein: the outer surface of the connector (8) is provided with a connecting external thread (7).
3. The multi-function reamer of claim 1, wherein: the chip grooves (3) are arranged in a plurality.
4. The multi-function reamer of claim 1, wherein: the surface of the drill bit (2) is also provided with a plurality of heat dissipation holes (4) which are uniformly distributed.
5. A multi-function reamer as claimed in claim 1, wherein: threaded holes (10) are symmetrically formed in two sides of the mounting groove (9), a limiting block (13) is fixedly connected to the inner wall face of one side of the mounting groove (9), a limiting groove (12) matched with the limiting block (13) is formed in the surface of the drill rod (1), mounting holes (15) matched with the threaded holes (10) are formed in the surface of the drill rod (1), and fastening bolts (11) are connected with the threaded holes (10) and the mounting holes (15) in an equal threaded mode.
6. The multi-function reamer of claim 5, wherein: the interior roof fixedly connected with protection pad (14) of mounting groove (9), protection pad (14) adopt rubber materials to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449963.2U CN218396087U (en) | 2022-09-16 | 2022-09-16 | Multifunctional expanding drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449963.2U CN218396087U (en) | 2022-09-16 | 2022-09-16 | Multifunctional expanding drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218396087U true CN218396087U (en) | 2023-01-31 |
Family
ID=85031397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222449963.2U Active CN218396087U (en) | 2022-09-16 | 2022-09-16 | Multifunctional expanding drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218396087U (en) |
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2022
- 2022-09-16 CN CN202222449963.2U patent/CN218396087U/en active Active
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