CN213729751U

CN213729751U - Spiral chip-separating type reaming reamer

Info

Publication number: CN213729751U
Application number: CN202022354158.2U
Authority: CN
Inventors: 徐昕
Original assignee: Changzhou Fameng Precision Machinery Co ltd
Current assignee: Changzhou Fameng Precision Machinery Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-07-20
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a spiral divides bits formula reaming reamer, including connecting rod, cutter arbor, last sword strip, helicla flute, separation fault, middle section sword strip, connecting block, reaming angle, drilling sword and central through-hole. The utility model has the advantages that: go up the sword strip, middle section sword strip and drilling sword make this reaming reamer both can carry out the reaming, also can carry out subsequent hole and the cutting of repairing, and improve work efficiency, and guarantee going on in order of each process, the helicla flute makes things convenient for the sweeps that this reamer during operation produced to discharge fast, and prevent effectively that high temperature sweeps from piling up, separate the sweeps that fault and connecting block produced each process and separate the discharge, prevent to pile up, and provide buffer zone, be favorable to subsequent adjustment and repair, the convenient hole of boring the sword brill of reamed angle is expanded, and effectively protect the cutter arbor, prevent cutter arbor contact hole face, and make simple and convenient reduction manufacturing cost.

Description

Spiral chip-separating type reaming reamer

Technical Field

The utility model relates to a reaming reamer specifically is a spiral divides bits formula reaming reamer belongs to lathe cutter technical field.

Background

The reamer is a rotary cutter with one or more cutter teeth for cutting off a thin metal layer on the surface of a machined hole, the reamer is a rotary finish machining cutter with a straight edge or a spiral edge and used for reaming or repairing the hole, the machining precision requirement of the reamer is usually higher than that of a drill bit due to small cutting amount, the reamer can be manually operated or installed on a drilling machine to work, the manual reamer needs manual operation for rotary drilling, the manual reamer is labor-consuming, large in error and time-consuming, but is simple and convenient to operate, and the operation precision of the drilling machine is high.

Although current reamer uses comparatively extensively, it still has some problems in the in-service use process, one of them, current reamer is mostly reaming or repaiies the hole, its reaming volume is less, consequently often the cutting needs other cutters to realize, time waste is relatively more, its two, current reamer during operation can produce high temperature sweeps equally, it is too much to promote the accumulation, can cause the reamer slow, influence machining efficiency, its three, current reamer is mostly the integral type instrument, and can cause the damage to its cutter arbor surface sometimes on the reaming.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spiral branch bits formula reaming reamer just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a spiral chip-dividing type reaming reamer comprises a connecting rod, a cutter bar, an upper blade bar, a spiral groove, a separation fault, a middle blade bar, a connecting block, a reaming angle, a drilling blade and a central through hole; the reamer is characterized in that the connecting rod is of a round platform-shaped structure, a threaded connecting port is formed in the upper end of the connecting rod and is connected with an external machine tool, the cutter bar is of a long rod-shaped structure and is integrally fixed below the connecting rod, the upper blade bars are integrally arranged on the surface of the cutter bar, the spiral grooves are arranged between the upper blade bars and the middle blade bars, the separation faults are arranged between the upper blade bars and the middle blade bars, the middle blade bars are arranged between the upper blade bars and the drilling blades and are located on the surface of the cutter bar, the connecting block is fixed between the middle blade bars and the drilling blades, the reaming angle is outwards protruded and arranged at the lowest end of the middle blade bars, the drilling blades are arranged at the lowest part of the reamer, and the central through hole is arranged at the center of the lower surface of the drilling blades.

Preferably, in order to make this reaming reamer both can carry out the reaming, also can carry out subsequent hole repair and cutting, improve work efficiency, and guarantee going on in order of each process, go up the function structure that sword strip, middle section sword strip and drilling sword constitute this reamer jointly, and go up sword strip and middle section sword strip integration and connect on the cutter arbor, the drilling sword passes through the connecting block and independently fixes on this function structure.

Preferably, in order to facilitate quick discharge of scraps generated during the operation of the reamer and effectively prevent high-temperature scraps from being accumulated, the spiral groove is provided with a plurality of layers, each layer of the spiral groove is provided with a fault chip breaking area, and the fault chip breaking areas are arranged between the blade bars, and one part of the spiral groove is arranged on the drilling blade.

Preferably, in order to separate and discharge scraps generated in each process, prevent accumulation and provide a buffer area, which is beneficial to subsequent adjustment and repair, the separation fault and the connecting block jointly form a separation fault connecting structure of the reamer, the separation fault is integrally connected with the upper blade bar and the middle blade bar, and the connecting block is welded with the drilling blade.

Preferably, in order to facilitate the expansion of the hole drilled by the drilling blade, effectively protect the cutter bar, prevent the cutter bar from contacting the hole surface, and reduce the manufacturing cost simply and conveniently, the reaming angle is positioned at the tail end of each spiral middle blade bar and is tilted outwards, and the radius of the circle formed by each endpoint of the reaming angle is larger than that of the cutter bar.

The utility model has the advantages that: the spiral chip-separating reaming reamer is reasonable in design, the upper blade bar, the middle blade bar and the drilling blade jointly form a functional structure of the reamer, the upper blade bar and the middle blade bar are integrally connected to the cutter bar, the drilling blade is independently fixed on the functional structure through the connecting block, so that the reaming reamer can be used for reaming and subsequent hole repairing and cutting, the working efficiency is improved, and the ordered proceeding of each process is ensured, the spiral grooves are provided with multiple layers, each layer of spiral groove is provided with a fault chip breaking area, and is arranged between the blade bars, one part of the spiral grooves is arranged on the drilling blade, waste chips generated during the working of the reamer are conveniently and quickly discharged, high-temperature waste chips are effectively prevented from being accumulated, the separation fault and the connecting block jointly form a separation fault connecting structure of the reamer, the fault is integrally connected with the upper blade bar and the middle blade bar, and the connecting block is welded with the drilling blade bar and the drilling blade bar, the waste chips generated in each process are separated and discharged, accumulation is prevented, a buffer area is provided, subsequent adjustment and repair are facilitated, the reaming angle is located at the tail end of each spiral middle section blade and is tilted outwards, the radius of a circle formed by each endpoint of the reaming angle is larger than that of the cutter bar, the hole drilled by the drilling blade is conveniently expanded, the cutter bar is effectively protected, the cutter bar is prevented from contacting with the hole surface, and the manufacturing cost is reduced simply and conveniently.

Drawings

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

fig. 2 is a schematic view of the bottom view structure of the present invention.

In the figure: 1. connecting rod, 2, cutter arbor, 3, upper blade strip, 4, helicla flute, 5, separation fault, 6, middle blade strip, 7, connecting block, 8, reaming angle, 9, drilling blade and 10, central through 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. 1-2, a spiral chip-separating reaming reamer includes a connecting rod 1, a cutter bar 2, an upper blade 3, a spiral groove 4, a separation fault 5, a middle blade 6, a connecting block 7, a reaming angle 8, a drilling blade 9 and a central through hole 10; the reamer is characterized in that the connecting rod 1 is of a round table-shaped structure, a threaded connecting port is formed in the upper end of the connecting rod and is connected with an external machine tool, the cutter bar 2 is of a long rod-shaped structure and is integrally fixed below the connecting rod 1, the upper blade strips 3 are integrally arranged on the surface of the cutter bar 2, the spiral grooves 4 are arranged between the upper blade strips 3 and the middle blade strips 6, the separation faults 5 are arranged between the upper blade strips 3 and the middle blade strips 6, the middle blade strips 6 are arranged between the upper blade strips 3 and the drilling blades 9 and are positioned on the surface of the cutter bar 2, the connecting blocks 7 are fixed between the middle blade strips 6 and the drilling blades 9, the reaming angles 8 are outwards protruded and arranged at the lowest ends of the middle blade strips 6, the drilling blades 9 are arranged at the lowest part of the reamer, and the central through hole 10 is arranged at the center of the lower surfaces of the drilling blades 9.

The upper blade bar 3, the middle blade bar 6 and the drilling blade 9 jointly form a functional structure of the reamer, the upper blade bar 3 and the middle blade bar 6 are integrally connected on the cutter bar 2, the drilling blade 9 is independently fixed on the functional structure through a connecting block 7, so that the reaming reamer can be used for reaming and subsequent hole repairing and cutting, the working efficiency is improved, and the ordered proceeding of all processes is ensured, the spiral grooves 4 are provided with a plurality of layers, each layer of spiral groove 4 is provided with a fault chip breaking area and is arranged between the blade bars, one part of the spiral grooves is arranged on the drilling blade 9, waste chips generated during the working of the reamer are conveniently and quickly discharged, high-temperature waste chips are effectively prevented from being accumulated, the separation fault 5 and the connecting block 7 jointly form a separation fault connecting structure of the reamer, the separation fault 5 is integrally connected with the upper blade bar 3 and the middle blade bar 6, and the connecting block 7 is welded with the drilling blade bar 9, the sweeps produced in each process are separated and discharged, accumulation is prevented, a buffer area is provided, subsequent adjustment and repair are facilitated, the reaming angle 8 is located at the tail end of each spiral middle section blade 6 and is tilted outwards, the radius of a circle formed by each endpoint of the reaming angle 8 is larger than that of the cutter bar 2, the hole drilled by the drilling blade 9 is conveniently expanded, the cutter bar 2 is effectively protected, the cutter bar 2 is prevented from contacting the hole surface, and the manufacturing cost is reduced simply and conveniently.

The working principle is as follows: when using this spiral to divide bits formula reaming reamer, with connecting rod 1 lug connection of this reamer directly carry out work on the lathe can, wherein drilling sword 9 drills, middle section sword strip 6 is responsible for the reaming, it is responsible for hole repair and cutting to go up sword strip 3, and the produced sweeps of each sword strip is discharged through helicla flute 4, and separate fault 5 and connecting block 7 and carry out the layering with this reamer, be favorable to going on in proper order of sweeps elimination and each process more, guarantee the work efficiency and the life of this reamer.

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

1. The utility model provides a spiral divides bits formula reaming reamer which characterized in that: the cutting tool comprises a connecting rod (1), a tool bar (2), an upper edge strip (3), a spiral groove (4), a separation fault (5), a middle edge strip (6), a connecting block (7), a reaming angle (8), a drilling edge (9) and a central through hole (10); the reamer is characterized in that the connecting rod (1) is of a round table-shaped structure, the upper end of the connecting rod is provided with a threaded connecting port and is connected with an external machine tool, the cutter bar (2) is of a long rod-shaped structure and is integrally fixed below the connecting rod (1), the upper blade strips (3) are integrally arranged on the surface of the cutter bar (2), the spiral grooves (4) are arranged between the upper blade strips (3) and the middle blade strips (6), the separation faults (5) are arranged between the upper blade strips (3) and the middle blade strips (6), the middle blade strips (6) are arranged between the upper blade strips (3) and the drilling blades (9) and are positioned on the surface of the cutter bar (2), the connecting block (7) is fixed between the middle blade strips (6) and the drilling blades (9), the reaming angle (8) is outwards protruded at the lowest end of the middle blade strips (6), and the drilling blades (9) are arranged at the lowest part of the reamer, the central through hole (10) is formed in the center of the lower surface of the drilling blade (9).

2. The spiral chip-splitting reamer of claim 1 wherein: the reamer is characterized in that the upper blade strip (3), the middle blade strip (6) and the drilling blade (9) jointly form a functional structure of the reamer, the upper blade strip (3) and the middle blade strip (6) are integrally connected onto the cutter bar (2), and the drilling blade (9) is independently fixed onto the functional structure through the connecting block (7).

3. The spiral chip-splitting reamer of claim 1 wherein: the spiral groove (4) is provided with a plurality of layers, each layer of spiral groove (4) is provided with a fault chip breaking area, the fault chip breaking areas are arranged between the blade bars, and one part of the fault chip breaking areas are arranged on the drilling blade (9).

4. The spiral chip-splitting reamer of claim 1 wherein: the separation fault (5) and the connecting block (7) jointly form a separation fault connecting structure of the reamer, the separation fault (5) is integrally connected with the upper blade bar (3) and the middle-section blade bar (6), and the connecting block (7) is welded with the drilling blade (9).

5. The spiral chip-splitting reamer of claim 1 wherein: the reaming angle (8) is positioned at the tail end of each spiral middle section blade (6) and is tilted outwards, and the radius of a circle formed by each endpoint of the reaming angle (8) is larger than that of the cutter bar (2).