CN217223739U

CN217223739U - Upper chamfer inner-cooling combined cutter for reamed surface and reamed hole

Info

Publication number: CN217223739U
Application number: CN202220353442.4U
Authority: CN
Inventors: 杨先恒
Original assignee: Mianyang Henghong Machinery Manufacturing Co ltd
Current assignee: Mianyang Henghong Machinery Manufacturing Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-08-19
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses a counter-boring reaming upper chamfer inner cooling combined cutter, which relates to the technical field of cutters for cutting and processing and solves the technical problem that multiple cutters need to be changed when a part hole is processed; the reamer comprises a reamer body and a countersink chamfering cutter body, wherein the reamer body is fixed at the front end of the countersink chamfering cutter body, at least two positioning columns are arranged on the front end surface of the reamer body, a plurality of cutter blades are arranged on the circumference of the countersink chamfering cutter body, and countersink blades and chamfering blades are alternately arranged on the cutter blades; the utility model discloses be in the same place ream face sword, reamer, chamfer sword combination, reduced tool changing and idle stroke number of times, all cutting process are accomplished to a tool changing, very big improvement machining efficiency, be favorable to improving the axiality and the precision of processing position simultaneously, the machining precision is high, and the processing surface is of high quality.

Description

Upper chamfer inner-cooling combined cutter for reamed surface and reamed hole

Technical Field

The utility model relates to a machining instrument technical field, more specifically relate to cutter technical field for cutting process.

Background

The boss hole processing usually comprises the steps of firstly milling a face by using a face milling cutter, then drilling a hole by changing a reamer, and then processing an upper chamfer by using a chamfer cutter, wherein the whole processing process needs to change a cutter for 3 times, the time of about 5 seconds is about 15 seconds, the time of about 4.5 seconds is about 1.5 seconds for each time of positioning after the cutter is changed, however, the time of 2 seconds is used for milling the face, the time of 3 seconds is used for reaming the hole, and the time of 1 second is used for upper chamfer; it can be seen that the total processing time is 6 seconds, 15 seconds are consumed for tool changing, the time is mainly consumed for tool changing, the operation is complicated, and the processing efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: need the technical problem of tool changing many times in order to solve the part spot facing machining, the utility model provides an interior cold gang tool of chamfer on the reamed hole.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides an interior cold gang tool of chamfer on reamed face reamed hole, includes ream cutter body and ream face chamfer cutter body, the front end at ream face chamfer cutter body is fixed to the reamer body, be equipped with two at least reference columns on the preceding terminal surface of ream cutter body, be equipped with a plurality of lamella on the circumference of ream face chamfer cutter body, be provided with ream face blade and chamfer blade on the lamella.

Preferably, the reamer body is fixedly connected with the countersink chamfering cutter body through a locking screw.

Preferably, the reamer body and the countersink chamfer cutter body are overlapped by the central axis.

Preferably, a positioning pin is arranged on the front end face of the countersink chamfering cutter body, and a positioning hole matched with the positioning pin is formed in the rear end face of the reamer body.

Preferably, the positioning post has a tip portion.

Preferably, the tip portion has a conical shape.

Preferably, the countersink blades and the chamfer blades are alternately provided on the cutting insert.

The utility model has the advantages as follows:

1. the utility model discloses be in the same place ream face sword, reamer, chamfer sword combination, reduced tool changing and idle stroke number of times, all cutting process are accomplished to a tool changing, very big improvement machining efficiency.

2. The utility model discloses a set up the reference column and can play the positioning action to whole gang tool's use, prevent simultaneously that swing and tremble from appearing in the course of working to the cutter to guarantee that the surface quality of processing position is better, and equilateral triangle's reference column sets up the structure more stable, can further reduce to move and tremble, thereby further improve the machining precision in hole, the roughness of greatly reduced machined surface.

3. The utility model discloses a gang tool is owing to reduced the tool changing to reduced the adjustment of position after the tool changing and reduced machining error, whole gang tool can accomplish ream plane, reaming and chamfer together, is favorable to improving the axiality and the precision of processing position.

4. The utility model discloses a set up the locating pin and match with the locating hole, play the positioning action when making the reamer body assemble with the ream face chamfer cutter body, improve assembly efficiency, be favorable to guaranteeing the axiality of reamer body and ream face chamfer cutter body installation back simultaneously.

Drawings

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

FIG. 2 is a front view of the countersink chamfer cutter body;

FIG. 3 is a left side view of the countersink chamfer cutter body;

fig. 4 is a front view of the reamer body.

Reference numerals: the method comprises the following steps of 1-reamer body, 2-positioning hole, 3-positioning pin, 4-ream surface chamfering cutter body, 5-locking screw, 6-inner cooling blind rivet, 7-cutter blade, 8-ream surface blade, 9-chamfering blade, 10-positioning column and 11-tip end.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 to 4, the present embodiment provides a counterboring reaming upper chamfer inner cooling combined tool, which includes a reamer body 1 and a counterboring chamfering body 4, the reamer body 1 is fixed at the front end of the counterboring chamfering body 4 through a locking screw 5, the central axis of the reamer body 1 coincides with the central axis of the counterboring chamfering body 4, at least two positioning columns 10 are disposed on the front end face of the reamer body 1, the positioning columns 10 are cylindrical, and more preferably, three positioning columns 10 are disposed, and the three positioning columns 10 are connected to form an equilateral triangle structure, and by disposing the positioning columns 10, the positioning support function can play a positioning support role on the whole combined tool, which can reduce the swing and vibration of the tool in the machining process, improve the machining stability, thereby ensuring better surface quality of the machining position, and the structure is more stable due to the disposition of the three positioning columns 10, the swinging and the vibration can be further reduced, so that the machining precision of the hole is further improved, and the roughness of the machined surface is greatly reduced;

the circumference of the counterboring chamfering cutter body 4 is provided with a plurality of cutting blades 7, the cutting blades 7 are provided with counterboring blades 8 and chamfering blades 9, more preferably, the number of the cutting blades 7 is even, the counterboring blades 8 and the chamfering blades 9 are alternately arranged on the cutting blades 7, the alternate arrangement can ensure that the cutters are uniformly distributed so as to ensure the processing quality of a counterboring plane and a chamfer, as shown in fig. 3, the number of the cutting blades 7 is preferably four, and the counterboring blades 8 and the chamfering blades 9 are respectively and symmetrically arranged on the cutting blades 7; the utility model discloses a reduce a set of ream face blade 8 on blade 7, increase a set of chamfer blade 9 of going up to can realize ream face and chamfer simultaneously.

Before the reaming cutter body 1 is used, the reaming cutter body 1 is firstly installed into the reaming surface chamfering cutter body 4 and is fastened through the locking screw 5, the inner cold blind rivet 6 is assembled to the tail end of the reaming surface chamfering cutter body 4, the cutter is positioned at the center of a boss hole during machining, reaming is conducted downwards from a quick positioning position, the cutter continues to descend to conduct work on the reaming surface cutter blade 8 and the chamfering cutter blade 9, the end face and the chamfer are machined, and then the cutter returns to the designated position to complete machining content.

The utility model discloses be in the same place ream face sword, reamer, chamfer sword combination, reduced tool changing and idle stroke number of times, all cutting process are accomplished to a tool changing, very big improvement machining efficiency: two-time tool changing and two-time positioning idle stroke are reduced in the machining process, the machining time of the original method is 25.5 seconds, the machining is finished by adopting the combined tool within 12.5 seconds, 13 seconds are saved totally, the effective utilization rate of machining equipment at the part is increased from 23.5% to 45%, the machining efficiency is greatly improved, and the yield is increased and the income is created for enterprises; and moreover, due to the fact that tool changing is reduced, position adjustment after tool changing is reduced, machining errors are reduced, the whole combined tool can complete spot facing, reaming and chamfering together, and improvement of coaxiality and accuracy of machining positions is facilitated.

Example 2

Based on embodiment 1, be provided with locating pin 3 on the preceding terminal surface of ream face chamfer cutter body 4, set up on the rear end face of reamer body 1 with locating pin 3 assorted locating hole 2, match through setting up locating pin 3 and locating hole 2, play the positioning action when making reamer body 1 and ream face chamfer cutter body 4 assemble, improve assembly efficiency, be favorable to guaranteeing the axiality after reamer body 1 and ream face chamfer cutter body 4 installation simultaneously.

Example 3

Based on embodiment 1, the positioning column 10 has a tip portion 11, and more preferably, the tip portion 11 is conical, and by providing the conical tip portion 11, the positioning column 10 can be guided, so as to better perform the positioning function.

Claims

1. Cold gang tool in chamfer on reamed hole of reamed surface, its characterized in that, including ream cutter body (1) and reamed surface chamfer cutter body (4), the front end at ream surface chamfer cutter body (4) is fixed in ream cutter body (1), be equipped with two at least reference columns (10) on the preceding terminal surface of ream cutter body (1), be equipped with a plurality of blades (7) on the circumference of reamed surface chamfer cutter body (4), be provided with reamed surface blade (8) and chamfer blade (9) on blade (7).

2. The counterboring upper chamfer inner cooling combination tool according to claim 1, wherein the reamer body (1) is fixedly connected with the counterboring chamfer cutter body (4) through a locking screw (5).

3. The counterboring reaming upper chamfer inner cooling combination tool according to claim 1, characterized in that the reamer body (1) coincides with the central axis of the counterboring chamfering tool body (4).

4. The counterboring reaming upper-chamfer inner-cooling combined tool as claimed in claim 1, wherein the front end face of the counterboring chamfering tool body (4) is provided with a positioning pin (3), and the rear end face of the reaming tool body (1) is provided with a positioning hole (2) matched with the positioning pin (3).

5. The counterboring upper chamfer inner cooling gang tool of claim 1, wherein the locating stud (10) has a tip (11).

6. The counterboring upper chamfer inner cooling gang tool of claim 5, characterized in that the tip (11) is conical.

7. A counterbored reaming upper chamfer inner cooling gang tool according to claim 1, characterized in that the counterbored inserts (8) and the chamfer inserts (9) are alternately arranged on the cutting disc (7).