CN217018657U

CN217018657U - Bore hole and drill way chamfer and reverse step hole internal cooling combination tool

Info

Publication number: CN217018657U
Application number: CN202220593085.9U
Authority: CN
Inventors: 杨先恒
Original assignee: Mianyang Henghong Machinery Manufacturing Co ltd
Current assignee: Mianyang Henghong Machinery Manufacturing Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-07-22
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a combined tool for boring, chamfering an orifice and internally cooling a reverse stepped hole, relates to the technical field of workpiece machining tools, and solves the technical problems that tools need to be changed and the machining efficiency is low in each process of the tool in the machining process; the multi-aperture forming die is used for forming multiple apertures at the same position at one time, and has the advantages of reducing the times of tool changing and idle running and improving the machining efficiency of the tool.

Description

Bore hole and drill way chamfer and reverse step hole inner cooling combined tool

Technical Field

The utility model relates to the technical field of workpiece machining tools, in particular to the technical field of combined tools for boring, chamfering of an orifice and cooling in a reverse stepped hole.

Background

A tool is a tool used for cutting machining in machine manufacturing, and is also called a cutting tool. Most knives are machine, but also hand-held. Since tools used in machine manufacturing are basically used for cutting metal materials, the term "tool" is generally understood to mean a metal cutting tool.

The traditional machining time is used for tool changing, so that the machining efficiency is extremely low, and the combined tool for drilling, chamfering of an orifice and cold-working in a reverse step hole is a tool for rough/fine boring, upper chamfering and reverse step hole. Generally, the machining content comprises the steps of roughly boring by using a boring cutter, finely boring, chamfering by using an upper chamfering cutter, and machining a reverse machined stepped hole by using a customized cutter, wherein the total machining time is 20 seconds for each time when the cutter is changed for 4 times, the total machining time is 5 seconds for each time, the total machining time is 6 seconds for each time when the cutter is changed and then positioned, and the total machining time is 5 seconds when a four-shaft turntable is turned for 180 degrees. The machining process has the advantages that the time for machining the rough bore hole with the specified size under the same machining condition is 3.4 seconds, the time for machining the fine bore hole is 4 seconds, the time for upper chamfering is 1 second, the time for the step hole is 1.2 seconds, and the time is mainly consumed on tool changing, so that the machining efficiency is very low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the utility model provides a combined tool for boring, chamfering of an orifice and cooling in a reverse stepped hole, which aims to solve the problems that the existing tool needs to be changed in each process in the machining process and the machining efficiency is low.

The utility model specifically adopts the following technical scheme for realizing the purpose:

bore hole and drill way chamfer and reverse step hole internal cooling gang tool, including thick boring cutter, reamer, finish boring cutter and last chamfer cutter, thick boring cutter, reamer, finish boring cutter and last chamfer cutter from left to right arrange in proper order, go up the right side of chamfer cutter and be connected with the handle of a knife, the handle of a knife is pegged graft on the drilling machine.

Further, the rough boring cutter, the hole expanding cutter, the fine boring cutter and the upper chamfering cutter respectively form a group through a plurality of respective cutters.

Further, the diameters of the rough boring cutter and the expanding cutter are the same.

Further, the diameters of the fine boring cutter and the upper chamfering cutter are larger than the diameters of the rough boring cutter and the hole expanding cutter.

Further, the diameter of the upper chamfering cutter is larger than that of the fine boring cutter.

Furthermore, the tool tips of the rough boring cutter and the expanding cutter face opposite directions.

Furthermore, the rough boring cutter, the hole expanding cutter, the fine boring cutter and the upper chamfering cutter are made of hard alloy.

The utility model has the following beneficial effects:

1. according to the utility model, functions of rough boring, fine boring, upper chamfering and reverse stepped hole are combined together, so that the tool changing times and idle stroke times are reduced, all cutting processing is completed by changing a tool once, and the processing efficiency is greatly improved.

2. According to the utility model, 3 times of tool changing and 3 times of positioning idle stroke are reduced in the machining process, 1 four-axis rotation is adopted, the machining time of the original method is 40.6 seconds, the machining is finished by adopting the tool in 16.1 seconds, 24.5 seconds are totally saved, the effective utilization rate of machining equipment at the part is increased from 23.6% to 59.6%, the machining efficiency is greatly improved, and the yield and the income are increased for enterprises.

3. The rough boring cutter, the hole expanding cutter, the fine boring cutter and the upper chamfering cutter respectively form a group through a plurality of respective cutters, and machining efficiency is improved.

4. The diameters of the rough boring cutter and the hole expanding cutter are the same, so that the rough boring cutter can perform rough boring processing to a certain depth conveniently.

5. The diameters of the fine boring cutter and the upper chamfering cutter are larger than those of the rough boring cutter and the hole expanding cutter, the diameter of the upper chamfering cutter is larger than that of the fine boring cutter, the fine boring cutter performs fine boring processing, and then the fine boring cutter moves downwards to perform upper chamfering processing through the upper chamfering cutter.

6. The tool points of the rough boring cutter and the expanding cutter face opposite directions, and the expanding cutter performs reverse step hole machining on the upper chamfering cutter.

Drawings

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

Reference numerals: 1-rough hole boring cutter, 2-hole expanding cutter, 3-fine hole boring cutter, 4-upper chamfering cutter and 5-cutter handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Example 1

As shown in fig. 1, this embodiment provides bore hole and drill way chamfer and reverse step hole internal cooling gang tool, including rough boring cutter 1, reamer 2, finish boring cutter 3 and last chamfer cutter 4, the material of rough boring cutter 1, reamer 2, finish boring cutter 3 and last chamfer cutter 4 is carbide, rough boring cutter 1, reamer 2, finish boring cutter 3 and last chamfer cutter 4 from left to right arrange in proper order, rough boring cutter 1 is opposite with the knife tip orientation of reamer 2, and the right side of going up chamfer cutter 4 is connected with handle of a knife 5, handle of a knife 5 pegs graft on the drilling machine.

The rough boring cutter 1, the hole expanding cutter 2, the fine boring cutter 3 and the upper chamfering cutter 4 form a group of cutters respectively.

The diameters of the rough hole boring cutter 1 and the hole expanding cutter 2 are the same, the diameters of the fine hole boring cutter 3 and the upper chamfering cutter 4 are larger than the diameters of the rough hole boring cutter 1 and the hole expanding cutter 2, and the diameter of the upper chamfering cutter 4 is larger than the diameter of the fine hole boring cutter 3.

Example 2

The specific working principle of the above embodiment is as follows: the whole combined cutter is a welding cutter, the cutter is ground to meet the specified size requirement after welding is finished, the cutter is positioned at the center of a hole during machining, machining is started from a set safety distance, rough boring machining is carried out through a rough boring cutter (a first group) respectively, fine boring machining is carried out through a fine boring cutter (a third group) after the cutter is quickly positioned to a specified position, upper chamfering machining is carried out through an upper chamfering cutter (a fourth group) continuously downwards, and reverse step hole machining is carried out through a program and a hole expanding cutter (a second group) after the cutter returns to the specified position. The multi-aperture one-step forming (rough/fine boring, hole expanding and upper chamfering) of the same part is realized. And the cutter retreats to the specified position to finish the processing.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. Bore hole and drill way chamfer and reverse step hole internal cooling gang tool, its characterized in that: including rough boring sword (1), reamer (2), finish boring sword (3) and go up chamfer sword (4), rough boring sword (1), reamer (2), finish boring sword (3) and go up chamfer sword (4) from left to right arrange in proper order, go up the right side of chamfer sword (4) and be connected with handle of a knife (5), on the drilling machine is pegged graft in handle of a knife (5).

2. The bore and orifice chamfer and reverse step bore internal cooling combination tool of claim 1, wherein: the rough hole boring cutter (1), the hole expanding cutter (2), the fine hole boring cutter (3) and the upper chamfering cutter (4) form a group through a plurality of respective cutters.

3. The bore and orifice chamfer and reverse stepped bore inner cooling gang tool of claim 1, wherein: the diameters of the rough boring cutter (1) and the expanding cutter (2) are the same.

4. The bore and orifice chamfer and reverse stepped bore inner cooling gang tool of claim 3, wherein: the diameters of the fine boring cutter (3) and the upper chamfering cutter (4) are larger than the diameters of the rough boring cutter (1) and the hole expanding cutter (2).

5. The bore and orifice chamfer and reverse step bore internal cooling combination tool of claim 4, wherein: the diameter of the upper chamfering cutter (4) is larger than that of the fine boring cutter (3).

6. The bore and orifice chamfer and reverse stepped bore inner cooling gang tool of claim 1, wherein: the tool nose directions of the rough boring tool (1) and the expanding tool (2) are opposite.

7. The bore and orifice chamfer and reverse step bore internal cooling combination tool of claim 1, wherein: the rough hole boring cutter (1), the hole expanding cutter (2), the fine hole boring cutter (3) and the upper chamfering cutter (4) are made of hard alloy.