CN211135665U - Double-edge through hole drilling reamer - Google Patents

Abstract

The utility model discloses a twolip through-hole drilling reamer, including connecting handle, interior spacing snap ring, reamer pole, outer chuck, draw-in groove, angle ring, fixed screw, blade, central mounting hole and reamer mounting hole. The utility model has the advantages that: the stability that this drilling reamer is connected with the lathe pivot is guaranteed to interior spacing snap ring, prevent it and be connected the lathe and separate suddenly when using, outer chuck conveniently carries out the stable connection with the lathe, the offset is in qualified scope when guaranteeing the reaming, the angle ring conveniently observes this drilling reamer actual deviation in the use reaming, guarantee the accuracy of reaming, thereby improve the yield, the convenient as required selection of reamer head and blade number of teeth of center mounting hole, make its application scope wider, and easy to assemble and dismantlement, conveniently maintain impaired blade and reamer head.

Description

Double-edge through hole drilling reamer

Technical Field

The utility model relates to a drilling reamer specifically is a twolip through-hole drilling reamer belongs to cutting tool technical field.

Background

The reamer is used for reaming drilled (or reamed) holes on a workpiece, mainly aims at improving the processing precision of the holes and reducing the roughness of the surface of the drilled (or reamed) holes, is a tool for finish machining and semi-finish machining of the holes, has small machining allowance, is commonly used for processing cylindrical holes, and is a tapered reamer which is less in use.

Although the reamer is widely used, the reamer still has some problems in the actual use process, one is that the tolerance of the diameter of the existing drilling reamer directly influences the size precision of a processed hole, the manufacturing cost of the reamer and the service life of the reamer, the hole diameter is larger than the diameter of the reamer due to the radial runout of cutter teeth, the reaming amount, cutting fluid and other factors during reaming, which is called reaming hole expansion, the specific dimension is difficult to control, the other is that the hole is recovered and reduced due to the fact that the hole wall is squeezed by the existing drilling reamer due to the blunt circular radius of a cutting edge, which is called reaming hole contraction, the factors of the expansion and the contraction generally exist at the same time, the final result often has certain errors, and the experience shows that the reaming hole is generally expanded by a high-speed steel reamer, the reaming hole is generally contracted by a hard alloy reamer, the contraction also commonly occurs during reaming of a thin-wall hole, and the material of the existing drilling reamer is mostly fixed, and the device cannot be replaced, so that the limitation is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a twolip through-hole drilling reamer in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a double-edge through hole drilling reamer comprises a connecting handle, an inner limiting clamping ring, a reamer rod, an outer chuck, a clamping groove, an angle ring, a fixing screw, an edge piece, a center mounting hole and a reamer mounting hole; the joint shank is installed in the top of outer chuck, the inside at the joint shank is established to interior spacing snap ring, the reamer pole is installed in the below of angle ring, outer chuck is fixed on the outer wall of joint shank through welded connected mode, the draw-in groove is established on outer chuck, the angle ring is connected between joint shank and reamer pole, the fixed screw is fixed on the lateral surface of reamer pole, and wholly is embedded connection, the blade is installed on the reamer pole, the center at the reamer pole lower surface is established to the center mounting hole, the reamer mounting hole sets up the upper end at the joint shank.

Preferably, in order to ensure the connection stability of the drilling reamer and a machine tool rotating shaft and prevent the drilling reamer and a connecting machine tool from being suddenly separated in use, the inner limiting snap ring is integrally connected with the inner wall of the connecting handle in a welding connection mode and is positioned above the connecting thread in the reamer mounting hole.

Preferably, for the convenience of carrying out stable connection with the lathe, the offset is in qualified scope when guaranteeing the reaming, be equipped with the draw-in groove of a plurality of irregular symmetries on the outer chuck, and outer chuck intermediate level is equipped with the slide rail.

Preferably, in order to conveniently observe the actual deviation of the reaming hole of the drilling reamer in the using process and ensure the accuracy of the reaming hole, the finished product rate is improved, the angle ring is fixed between the connecting handle and the reamer rod in an annular structure, and the outer surface of the angle ring is marked with 360-degree dimensions.

Preferably, for the convenience select reamer head and blade number of teeth as required, make its application scope wider, and easy to assemble and dismantlement, conveniently maintain impaired blade and reamer head, the drill bit that central mounting hole and reaming were used is threaded connection, and the meshing is inseparable between the screw, and the reamer head that the reaming was used is detachability, and the blade is seamless connection with the drill bit that the reaming was used.

The utility model has the advantages that: the double-edged through-hole drilling reamer is reasonable in design, the inner limiting snap ring is integrally connected with the inner wall of the connecting handle in a welding connection mode and is positioned above the connecting thread in the reamer mounting hole to ensure the stability of connection between the drilling reamer and a machine tool rotating shaft and prevent the drilling reamer and a connecting machine tool from being suddenly separated in use, a plurality of irregularly symmetrical clamping grooves are arranged on the outer clamping disc, the middle layer of the outer clamping disc is provided with a slide rail to be conveniently and stably connected with the machine tool, the offset in reaming is ensured to be within a qualified range, the angle ring is in a circular structure and is fixed between the connecting handle and the reaming cutter rod, the outer surface of the angle ring is marked with 360-degree size, the actual deviation of the drilling reamer in the use process is conveniently observed, the accuracy of reaming is ensured, the yield is improved, the central mounting hole is in threaded connection with a drilling bit for reaming, the threads are tightly meshed, and the reaming bit for, and the blade is seamless connection with the drill bit for reaming, so that the reamer head and the number of teeth of the blade can be conveniently selected according to needs, the application range is wider, the reamer head is convenient to mount and dismount, and the damaged blade and the reamer head are convenient to maintain.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic view of the bottom view structure of the present invention.

In the figure: 1. the reamer comprises a connecting handle, 2 parts of an inner limiting snap ring, 3 parts of a reamer rod, 4 parts of an outer chuck, 5 parts of a clamping groove, 6 parts of an angle ring, 7 parts of a fixing screw, 8 parts of a blade, 9 parts of a central mounting hole and 10 parts of a reamer 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 work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a double-edged through-hole drilling reamer includes a connecting handle 1, an inner limiting snap ring 2, a reamer bar 3, an outer chuck 4, a clamping groove 5, an angle ring 6, a fixing screw 7, an edge 8, a center mounting hole 9, and a reamer mounting hole 10; the utility model discloses a reamer, including connecting handle 1, draw-in groove 5, angle ring 6, fixed screw 7, and whole embedded connection, blade 8, the blade is installed on the reamer arbor 3, center mounting hole 9 establishes the center at reamer arbor 3 lower surface, reamer mounting hole 10 sets up the upper end at connecting handle 1, interior spacing snap ring 2 establishes the inside at connecting handle 1, reamer arbor 3 installs in the below of angle ring 6, outer chuck 4 is fixed on connecting handle 1's outer wall through the welded connected mode, draw-in groove 5 is established on outer chuck 4, angle ring 6 is connected between connecting handle 1 and reamer arbor 3, fixed screw 7 fixes on the lateral surface of reamer arbor 3, and wholly is embedded connection, blade 8 installs on reamer arbor 3, center mounting hole 9 establishes the center.

The inner limiting snap ring 2 is integrally connected with the inner wall of the connecting handle 1 in a welding connection mode and is positioned above connecting threads in the reamer mounting hole 10, so that the stability of connection between the drilling reamer and a machine tool rotating shaft is ensured, the drilling reamer and a connecting machine tool are prevented from being suddenly separated in use, a plurality of clamping grooves 5 which are irregularly symmetrical are arranged on the outer chuck 4, a sliding rail is arranged on the middle layer of the outer chuck 4, the stable connection with the machine tool is facilitated, the offset in reaming is ensured within a qualified range, the angle ring 6 is fixed between the connecting handle 1 and the reaming cutter rod 3 in a circular structure, the outer surface of the angle ring is marked with 360-degree size, the actual deviation of the reaming of the drilling reamer in the use process is conveniently observed, the accuracy of reaming is ensured, the yield is improved, the central mounting hole 9 is in threaded connection with a drilling bit for reaming, the threads are tightly meshed, and the reaming bit for reaming is detachable, and the blade 8 is seamless connection with the drill bit for reaming, so that the reamer head and the number of teeth of the blade 8 can be conveniently selected according to needs, the application range is wider, the reamer head is convenient to mount and dismount, and the damaged blade 8 and the reamer head are convenient to maintain.

The working principle is as follows: when the double-edge through hole drilling reamer is used, the inner limiting snap ring 2 is integrally connected with the inner wall of the connecting handle 1 in a welding connection mode and is positioned above the connecting thread in the reamer mounting hole 10 to ensure the stability of the connection between the drilling reamer and a machine tool rotating shaft and prevent the drilling reamer and a connecting machine tool from being suddenly separated in use, the outer snap ring 4 is convenient to be stably connected with the machine tool, the offset is ensured to be in a qualified range in reaming, the angle ring 6 is convenient to observe the actual deviation of the reaming of the drilling reamer in the use process and ensure the accuracy of reaming, thereby improving the yield, the central mounting hole 9 is in threaded connection with a drilling bit for reaming, the threads are tightly meshed, the reaming bit for reaming is detachable, the blade 8 is in seamless connection with the drilling bit for reaming, the number of teeth of the reaming bit and the blade 8 can be conveniently selected according to requirements, and the application range of the reaming bit is wider, and the installation and the disassembly are convenient, and the damaged blade 8 and the reamer head are convenient to maintain.

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 (5)

1. The utility model provides a twolip through-hole drilling reamer which characterized in that: the reamer comprises a connecting handle (1), an inner limiting snap ring (2), a reamer rod (3), an outer chuck (4), a clamping groove (5), an angle ring (6), a fixing screw (7), a blade (8), a central mounting hole (9) and a reamer mounting hole (10); the connecting handle (1) is arranged above an outer chuck (4), an inner limiting snap ring (2) is arranged inside the connecting handle (1), a reamer rod (3) is arranged below an angle ring (6), the outer chuck (4) is fixed on the outer wall of the connecting handle (1) in a welding connection mode, a clamping groove (5) is arranged on the outer chuck (4), the angle ring (6) is connected between the connecting handle (1) and the reamer rod (3), a fixing screw (7) is fixed on the outer side surface of the reamer rod (3) and integrally connected in an embedded mode, blades (8) are arranged on the reamer rod (3), a center mounting hole (9) is arranged at the center of the lower surface of the reamer rod (3), and a reamer mounting hole (10) is arranged at the upper end of the connecting handle (1).

2. The double-edged through-hole drilling reamer as claimed in claim 1, wherein: the inner limiting snap ring (2) is integrally connected with the inner wall of the connecting handle (1) in a welding connection mode and is positioned above the connecting thread in the reamer mounting hole (10).

3. The double-edged through-hole drilling reamer as claimed in claim 1, wherein: the outer chuck (4) is provided with a plurality of irregular symmetrical clamping grooves (5), and the middle layer of the outer chuck (4) is provided with a sliding rail.

4. The double-edged through-hole drilling reamer as claimed in claim 1, wherein: the angle ring (6) is fixed between the connecting handle (1) and the reamer rod (3) in a circular ring structure, and the outer surface of the angle ring is marked with 360-degree dimensions.

5. The double-edged through-hole drilling reamer as claimed in claim 1, wherein: the central mounting hole (9) is in threaded connection with a drill bit for reaming, the threads are tightly meshed, a reaming head for reaming is detachable, and the blade (8) is in seamless connection with the drill bit for reaming.

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