CN217529334U

CN217529334U - Step reamer for deep hole machining

Info

Publication number: CN217529334U
Application number: CN202123340290.9U
Authority: CN
Inventors: 谢亚平; 谢卫芬
Original assignee: Changzhou Lisheng Tool Manufacturing Co ltd
Current assignee: Changzhou Lisheng Tool Manufacturing Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-10-04
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a deep hole processing is with ladder reamer, including cutter body, handle of a knife and blade holder. The utility model has the advantages that: first cutter body and second cutter body all adopt carbide material to make, increase cutter body intensity, prolong its life, use cost is reduced, second cutter body external diameter is greater than first cutter body external diameter, can process the hole of different diameters as required, and can realize the disposable processing of macropore and accomplish, do not need to change the drilling cutter and beat the locating hole, the heliciform chip groove that moves back has been seted up on first cutter body and second cutter body surface, be convenient for in time clear up the smear metal, avoid the waste material to pile up and influence the processing progress at downthehole, the handle of a knife is detachable with the sleeve through locking screw and is connected, the installation is firm, make things convenient for the later stage to tear open the reamer simultaneously and trade and maintain, mount pad outer terminal surface center is equipped with the mounting hole, mount pad edge evenly distributed has three constant head tank, be convenient for fix a position the clamping with the blade holder on the lathe, avoid it to become flexible to influence the machining precision.

Description

Step reamer for deep hole machining

Technical Field

The utility model relates to a reamer specifically is a ladder reamer for BTA, belongs to machining cutter technical field.

Background

The origin of deep hole processing technology can be traced back to the beginning of the 20 th century, in order to solve the processing problem of gun barrels, military industry departments such as American and English invented gun drills, high-pressure liquid is sent to a tool bit through a channel in a drill rod, scrap iron and heat are taken away, and a guide strip is added on the outer diameter of a drill bit to ensure a correct direction.

The existing reamer is simple in structure:

1) The traditional reamer has low overall hardness, is greatly worn when a workpiece is subjected to reaming processing, and can not be used normally, so that the use cost is increased, a chip removing groove is not formed in the surface of a reamer body, waste materials are easily accumulated in a hole, the reaming processing efficiency is influenced, the outer diameter of the used reamer body is certain, and when deep holes with different apertures need to be processed, the reamer is required to be replaced, time and labor are wasted, and the processing efficiency is seriously influenced;

2) The handle of a knife that uses and blade holder are fixed through the welding, though connect very firmly, nevertheless be not convenient for the later stage to tear open the cutter and trade and maintain, do not set up the constant head tank moreover on the blade holder for the unstability of blade holder clamping on the lathe easily leads to the reamer not hard up, and then influences the machining precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a step reamer for BTA in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a stepped reamer for deep hole machining comprises

The cutter body capable of performing deep hole machining on the surface of a workpiece consists of a first cutter body at the outer end and a second cutter body at the inner end, and the first cutter body and the second cutter body are of an integrated structure; and

the cutter handle is positioned at the rear end of the second cutter body, and the outer diameter of the cutter handle is smaller than that of the second cutter body; and

the tool apron consists of a sleeve sleeved at the tail end of the tool shank and a mounting seat mounted on a machine tool, and the mounting seat is welded and fixed at the outer end of the sleeve.

As the utility model discloses again further scheme: the first cutter body and the second cutter body are both made of hard alloy materials.

As a further aspect of the present invention: the top end of the first cutter body is provided with a conical cutter point, the edge of the top end of the second cutter body is provided with a flat-end cutter edge, and the outer diameter of the second cutter body is larger than that of the first cutter body.

As the utility model discloses further scheme again: the surfaces of the first cutter body and the second cutter body are provided with chip removing grooves which are continuous and spiral.

As a further aspect of the present invention: the utility model discloses a handle of a knife, including handle of a knife, sleeve, handle of a knife, three screw hole, three counter bore have been seted up to the sleeve outside correspondence, the locking screw of sleeve outer end passes counter bore and threaded connection in the screw hole, and the handle of a knife is detachable connection through locking screw with the sleeve.

As a further aspect of the present invention: the mounting seat is characterized in that a mounting hole is formed in the center of the outer end face of the mounting seat, and three positioning grooves are uniformly distributed in the edge of the mounting seat.

The utility model has the advantages that:

1) The first cutter body and the second cutter body are made of hard alloy materials, the strength of the cutter bodies can be increased, the service life of the cutter bodies can be prolonged, and therefore the use cost is reduced;

2) The handle of a knife is detachable the connection through lock screw with the sleeve, and the installation is firm, makes things convenient for the later stage to tear open the reamer simultaneously and trades and maintain, and the outer terminal surface center of mount pad is provided with the mounting hole, and mount pad edge evenly distributed has three constant head tank, is convenient for with blade holder location clamping on the lathe, avoids its not hard up influence machining precision.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the knife handle and the knife holder of the present invention;

fig. 3 is an outer end view of the mounting seat of the present invention.

In the figure: 1. the tool comprises a first tool body, a tool nose, a second tool body, a cutting edge, a chip removing groove, a tool shank, a threaded hole, a sleeve, a counter bore, a locking screw, a mounting seat, a mounting hole, a mounting groove and a positioning groove, wherein the first tool body is 2, the tool nose is 3, the second tool body is 4, the cutting edge is 5, the chip removing groove is 6, the tool shank is 7, the threaded hole is 8, the sleeve is 9, the counter bore is 10, the locking screw is 11, the mounting seat is 12, the mounting hole is 13 and the positioning groove is formed.

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.

Example one

Referring to fig. 1 to 3, a stepped reamer for deep hole machining includes

The cutter body capable of performing deep hole machining on the surface of a workpiece consists of a first cutter body 1 at the outer end and a second cutter body 3 at the inner end, and the first cutter body 1 and the second cutter body 3 are of an integrated structure; and

the cutter handle 6 is positioned at the rear end of the second cutter body 3, and the outer diameter of the cutter handle is smaller than that of the second cutter body 3; and

the tool apron consists of a sleeve 8 sleeved at the tail end of the tool shank 6 and a mounting seat 11 installed on a machine tool, and the mounting seat 11 is fixed at the outer end of the sleeve 8 in a welding mode.

In the embodiment of the present invention, the first cutter body 1 and the second cutter body 3 are made of hard alloy material, which can increase the strength of the cutter body and prolong the service life thereof, thereby reducing the use cost.

The embodiment of the utility model provides an in, 1 top of first cutter body is provided with toper knife tip 2, 3 top edges of second cutter body are equipped with flat head cutting edge 4, and 3 external diameters of second cutter body are greater than 1 external diameters of first cutter body, can process the hole of different diameters as required to can realize that the disposable processing of macropore is accomplished, need not change the drilling sword and beat the locating hole.

The embodiment of the utility model provides an in, chip groove 5 has been seted up on first cutter body 1 and 3 surfaces of second cutter body, and chip groove 5 is continuous heliciform, is convenient for in time clear up the smear metal, avoids the waste material to pile up and influences the processing progress downthehole.

Example two

Referring to fig. 1 to 3, a stepped reamer for deep hole machining includes

The cutter body capable of performing deep hole machining on the surface of a workpiece comprises a first cutter body 1 at the outer end and a second cutter body 3 at the inner end, and the first cutter body 1 and the second cutter body 3 are of an integrated structure; and

the tool apron consists of a sleeve 8 sleeved at the tail end of the tool holder 6 and a mounting seat 11 mounted on a machine tool, and the mounting seat 11 is fixed at the outer end of the sleeve 8 in a welding mode.

The embodiment of the utility model provides an in, 6 outsides of handle of a knife are provided with three screw hole 7, the correspondence has been seted up three counter bore 9 in the sleeve 8 outside, the locking screw 10 of 8 outer ends of sleeve passes counter bore 9 and threaded connection in screw hole 7, and handle of a knife 6 is detachable the connection through locking screw 10 with sleeve 8, and the installation is firm, makes things convenient for the later stage to tear open the reamer open simultaneously and trade and maintain.

The embodiment of the utility model provides an in, 11 outer terminal surface centers of mount pad are provided with

mounting hole

12, and 11 edge evenly distributed of mount pad have three constant head tank 13, are convenient for with blade holder location clamping on the lathe, avoid its not hard up influence machining precision.

The working principle is as follows: when the stepped hole expanding cutter for deep hole machining is used, firstly, the cutter handle 6 is inserted into the sleeve 8, then three locking screws 10 penetrate through the counter bores 9 and are in threaded connection with the threaded holes 7, then the mounting base 11 is positioned and clamped on a machine tool through the mounting holes 12 and the positioning grooves 13, the hole expanding cutter is fixed, finally, the cutter point 2 at the top end of the hole expanding cutter is abutted to the surface of a workpiece, the hole expanding position is positioned, deep holes with different outer diameters can be machined by selectively using the first cutter body 1 or the second cutter body 3 according to machining requirements, large-hole one-time machining can be completed, the hole expanding cutter does not need to be replaced, machining efficiency is greatly improved, during work, continuous spiral chip withdrawing grooves 5 formed in the surfaces of the first cutter body 1 and the second cutter body 3 can timely clean chips, waste accumulation in the holes is avoided, machining progress is prevented, meanwhile, the used cutter handle 6 is mounted on the cutter holder through the locking screws 10, connection is firm, convenience is brought to later-stage replacement and maintenance of the hole expanding cutter, and three positioning grooves 13 evenly distributed at the edges of the mounting base 11 can also be positioned on the machine tool, and machining precision is prevented from being loosened and clamped.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 deep hole processing is with ladder reamer which characterized in that: comprises that

The cutter body capable of performing deep hole machining on the surface of a workpiece comprises a first cutter body (1) at the outer end and a second cutter body (3) at the inner end, and the first cutter body (1) and the second cutter body (3) are of an integrated structure; and

the cutter handle (6) is positioned at the rear end of the second cutter body (3), and the outer diameter of the cutter handle is smaller than that of the second cutter body (3); and

the tool apron consists of a sleeve (8) sleeved at the tail end of the tool shank (6) and a mounting seat (11) installed on a machine tool, and the mounting seat (11) is fixed at the outer end of the sleeve (8) in a welding mode.

2. The stepped reamer for deep hole machining according to claim 1, wherein: the first cutter body (1) and the second cutter body (3) are both made of hard alloy materials.

3. The stepped reamer for deep hole machining according to claim 1, wherein: the top end of the first cutter body (1) is provided with a conical cutter point (2), the edge of the top end of the second cutter body (3) is provided with a flat-end cutter edge (4), and the outer diameter of the second cutter body (3) is larger than that of the first cutter body (1).

4. The stepped reamer for deep hole machining according to claim 1, wherein: the surfaces of the first cutter body (1) and the second cutter body (3) are provided with chip removing grooves (5), and the chip removing grooves (5) are in a continuous spiral shape.

5. The stepped reamer for deep hole machining according to claim 1, wherein: the tool holder is characterized in that three threaded holes (7) are formed in the outer side of the tool holder (6), three counter bores (9) are correspondingly formed in the outer side of the sleeve (8), locking screws (10) at the outer end of the sleeve (8) penetrate through the counter bores (9) and are connected in the threaded holes (7) in a threaded mode, and the tool holder (6) and the sleeve (8) are detachably connected through the locking screws (10).

6. The stepped reamer for deep hole machining according to claim 1, wherein: the mounting structure is characterized in that a mounting hole (12) is formed in the center of the outer end face of the mounting seat (11), and three positioning grooves (13) are uniformly distributed in the edge of the mounting seat (11).