CN217433158U

CN217433158U - Multi-groove and multi-tooth machining combined tool

Info

Publication number: CN217433158U
Application number: CN202123224260.1U
Authority: CN
Inventors: 宗恒军; 周文兵; 崔鹏昌
Original assignee: Xi'an Zhongkeyuansheng Electromechanical Technology Co ltd
Current assignee: Xi'an Zhongkeyuansheng Electromechanical Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-09-16
Anticipated expiration: 2031-12-21

Abstract

A multi-groove and multi-tooth machining combined tool comprises a disc (101) arranged at the lower end of a tool bar (1), a disc periphery (2 groups of parallel surfaces (102), a threaded column (103) arranged at the upper end of the disc (101), chamfering and avoiding treatment are carried out at the intersection, and a light column (104) is arranged above the threaded column (103); a plurality of blades (2) are arranged on the cutter bar (1), a plurality of adjusting rings (3) are arranged on the blades (2) in the axial direction, the top blade (2) is axially locked by a locking ring (4) in the utility model provides a combined cutter, the processing of a plurality of grooves or teeth can be realized at one time through the high-precision adjusting ring (3), the stress deformation of single-side processing is effectively eliminated, and by selecting the blades with different diameters, the machining of a plurality of different grooves and different teeth can be realized, the machining time is greatly shortened, and the machining efficiency is improved.

Description

Multi-groove and multi-tooth machining combined tool

Technical Field

The utility model relates to a precision finishing cutter field especially relates to a multislot, multiple tooth processing gang tool technique.

Background

The machining method of the multi-groove part is generally to machine a next groove after a single groove is machined, the machining efficiency of the method is low, and after one groove is machined, materials are easy to expand when another groove is machined, so that the precision is lost after the machining is finished, and particularly for parts with thin grooves or thin teeth, the situation is more common. In order to meet the requirements of parts, a tool with a smaller groove than that required by a drawing is generally adopted for rough machining and then finish machining, so that the machining time of the parts is very long, and the machining cost is high.

Disclosure of Invention

The utility model aims at overcoming the defects in the prior art and providing a cutter which can process and shape a plurality of grooves or teeth at one time. The problems that a single blade is slow in groove or tooth machining efficiency, tooth precision is lost, the blade is expanded outwards and the like are solved.

The utility model provides a technical scheme that its technical problem adopted is:

a multi-groove and multi-tooth machining combined tool comprises a tool bar 1, a plurality of blades 2, a plurality of distance adjusting rings 3 and a locking ring 4; wherein, the lower end of the cutter bar 1 is a

disc

101, 2 groups of parallel surfaces 102 are arranged on the periphery of the disc, the upper end of the disc 101 is a threaded column 103, chamfering abdicating processing is carried out at the intersection, and a light column 104 is arranged above the threaded column 103; a plurality of blades 2 are arranged on a cutter bar 1, a plurality of adjusting rings 3 are arranged on the blades 2 in the axial direction, the blades 2 and the adjusting rings 3 are in precise clearance fit with the cutter bar in the radial direction, all the blades 2 and the adjusting rings 3 are in fit and compression in the axial direction, and the uppermost blade 2 is axially locked by a locking ring 4.

The utility model discloses still have following additional technical characterstic:

as the utility model discloses technical scheme further specifically optimizes: the lower end of the cutter bar 1 is a disc with 2 groups of parallel surfaces which are used as locking and clamping positions of the combined cutter, and the 2 groups of parallel surfaces can also be 1 group of parallel surfaces, a triangle or a polygon.

As the utility model discloses technical scheme further specifically optimizes: wherein the cutter bar 1 is made of quenching steel materials, such as high-speed tool steel, tungsten steel and the like. The radial matching precision of the cutter bar adopts H7, which can ensure the coaxiality of the cutter after the cutter combination is completed to be higher, and the conditions of vibration cutter and cutter back-off such as instability can not be generated when the cutter runs at high speed.

As the utility model discloses technical scheme further specifically optimizes: the size and the precision of the inner hole of the blade 2 which is clamped once are uniform, a key groove and a key can be considered to be added according to the strength of the cutter, the strength of the cutter is convenient to use, the thickness and the unrevealed number of all the blades are larger than 3mm, the cutting edge of each blade is in a square shape, a 2-edge R-angle shape, a semicircular shape or a symmetrical step shape and the like, and the cutting parallelism of the cutter is guaranteed. And the depth of the different grooves can be set by the difference in radius of the insert 2.

As the utility model discloses technical scheme further specifically optimizes: the thickness of the adjusting ring 3 must be a high-light mirror surface, the edge needs to be provided with a chamfer angle of 0.1-0.5mm, the thickness precision is + -0.002mm, so that the spacing precision between the blades is ensured, and the chamfer angle is in the shape of a C angle and an R angle.

Compared with the prior art, the utility model, its advantage lies in:

the utility model provides a gang tool has realized once can realizing the processing of a plurality of grooves or tooth through the adjusting ring 3 of high accuracy, has effectively eliminated the stress deformation of unilateral processing, through the blade of chooseing for use different diameters, can realize the processing of a plurality of different grooves and different teeth, has shortened process time by a wide margin, has promoted machining efficiency.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of a composite cutter;

FIG. 2 is an exploded view of the gang tool;

fig. 3 is a front view structure diagram of the combined cutter bar 1;

fig. 4 is a front view of the composite cutter insert 2;

FIG. 5 is a perspective view of a gang tool adjustment ring;

figure 6 is a perspective view of a locking ring of the gang tool.

In the figure: a cutter bar 1; a blade 2; an adjustment ring 3; and (4) locking the ring.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings, in order that the present disclosure may be more completely understood, and the scope of the present disclosure may be fully conveyed to those skilled in the art. While the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure is not limited to the embodiments set forth herein.

disc

101, 2 groups of parallel surfaces 102 are arranged on the periphery of the disc, the upper end of the disc 101 is a threaded column 103, chamfering abdicating processing is carried out at the intersection, and a light column 104 is arranged above the threaded column 103; a plurality of blades 2 are arranged on the cutter bar 1, a plurality of adjusting rings 3 are arranged on the blades 2 in the axial direction, the blades 2 and the adjusting rings 3 are in precise clearance fit with the cutter bar in the radial direction, the blades 2 and the adjusting rings 3 are all in fit and compression in the axial direction, and the uppermost blade 2 is axially locked by a locking ring 4.

The lower end of the cutter bar 1 is a disc with 2 groups of parallel surfaces which are used as locking and clamping positions of the combined cutter, and the 2 groups of parallel surfaces can also be 1 group of parallel surfaces, a triangle or a polygon.

Wherein the cutter bar 1 is made of quenching steel materials, such as high-speed tool steel, tungsten steel and the like. The radial matching precision of the cutter bar adopts H7, which can ensure the coaxiality of the cutter after the cutter combination is completed to be higher, and the conditions of vibration cutter and cutter back-off such as instability can not be generated when the cutter runs at high speed.

The size and the precision of the inner hole of the blade 2 which is clamped once are uniform, a key groove and a key can be considered to be added according to the strength of the cutter, the strength of the cutter is convenient to use, the thickness and the unrevealed number of all the blades are larger than 3mm, the cutting edge of each blade is in a square shape, a 2-edge R-angle shape, a semicircular shape or a symmetrical step shape and the like, and the cutting parallelism of the cutter is guaranteed. And the depth of the different grooves can be set by the difference in radius of the insert 2.

The thickness of the adjusting ring 3 must be a highlight mirror surface, the edge needs to be provided with a chamfer angle of 0.1-0.5mm, the thickness precision is + -0.002mm, so that the spacing precision between blades is ensured, and the chamfer angles are C angles and R angles.

A use method of a multi-groove multi-tooth machining combined tool comprises the following steps:

in the process of machining multiple grooves or multiple-tooth parts, firstly, the width size and the depth size of each groove are determined, after the size to be machined is determined, the combined cutter is assembled, firstly, the thickness and the diameter of the lowest cutter are determined, the lowest blade 2 is cleaned, the cutter bar 1 is sleeved, then, a proper adjusting distance adjusting ring 3 is selected to be cleaned and sleeved on the cutter bar 1, the process is repeated, after all the adjusting rings 3 and the blades 2 are installed, the locking ring is used for locking from top to bottom, the locking force is not too large, the blades are prevented from being crushed, after the combined cutter is assembled, the combined cutter can be placed on a cutter measuring instrument to confirm the position size and the precision of different blades of the cutter again, and after the combined cutter is assembled, the combined cutter can be installed on machining equipment to machine the cutter.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the above description, in combination with the drawings in the embodiments of the present invention, clearly and completely describes the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. 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 above detailed description of the embodiments of the invention provided in the accompanying drawings 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.

Claims

1. A multi-groove and multi-tooth machining combined tool is characterized in that: comprises a cutter bar (1), a plurality of blades (2), a plurality of spacing adjusting rings (3) and a locking ring (4); wherein, the lower end of the cutter bar (1) is a disc (101), 2 groups of parallel surfaces (102) are arranged on the periphery of the disc, the upper end of the disc (101) is a threaded column (103), chamfering yielding treatment is carried out at the intersection, and a light column (104) is arranged above the threaded column (103); a plurality of blades (2) are arranged on the cutter bar (1), a plurality of adjusting rings (3) are arranged on the blades (2) in the axial direction, the blades (2) and the adjusting rings (3) are in precise clearance fit with the cutter bar in the radial direction, the blades (2) and the adjusting rings (3) are all in fit and compression in the axial direction, and the blades (2) on the top are axially locked by locking rings (4).

2. A multi-slot, multi-tooth machining gang tool as claimed in claim 1, wherein: the lower end of the cutter bar (1) is a disc with 2 groups of parallel surfaces as the locking and holding positions of the combined cutter, and the 2 groups of parallel surfaces are 1 group of parallel surfaces, triangles or polygons.

3. A multi-slot, multi-tooth machining gang tool as claimed in claim 1, wherein: wherein the cutter bar (1) is made of quenching steel material.

4. A multi-slot, multi-tooth machining gang tool as claimed in claim 1, wherein: the size and the precision of the inner hole of the blade (2) which is clamped once are uniform, and the cutting edge of the blade is square, 2-edge R-angle type, semicircular or symmetrical step.

5. A multi-slot, multi-tooth machining gang tool as claimed in claim 1, wherein: the thickness of the adjusting ring (3) is a highlight mirror surface, the edge needs a chamfer of 0.1-0.5mm, the thickness precision is + -0.002mm, and the chamfer is in the shape of a C angle or an R angle.