CN212443411U

CN212443411U - Cutter for machining double-clamp-spring groove

Info

Publication number: CN212443411U
Application number: CN202020488715.7U
Authority: CN
Inventors: 刘忠铎; 刘德庆; 冯晓明; 高启光; 杨帆; 张豪
Original assignee: Yantai Eddie Precision Machinery Co Ltd
Current assignee: Yantai Eddie Precision Machinery Co Ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-02-02
Anticipated expiration: 2030-04-07

Abstract

The utility model relates to a machining tool specifically is a cutter of processing double jump ring groove, including the handle of a knife, the cutter arbor, different with prior art is: at least one group of two mounting grooves are formed in the cutter bar, and at least one group of two milling cutter blades or two grooved cutter blades in each group can be mounted on the cutter bar. Compared with the prior art, the utility model discloses both can carry out rough milling and burring in the work piece is downthehole, can process out the cutter in two jump ring grooves again simultaneously, raise the efficiency, guarantee the precision, reduction in production cost, simple structure, convenient to use.

Description

Cutter for machining double-clamp-spring groove

Technical Field

The utility model relates to a machining tool specifically is a cutter in processing double jump ring groove.

Background

For the machining of the double clamp spring grooves, the prior art generally adopts sequential machining, namely, a milling cutter is used for rough milling and deburring in a workpiece hole, and then a groove cutter is used for respectively machining two clamp spring grooves. This machining method is inefficient and has low machining accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, disclosing one kind and both can roughly mill and the burring in the work piece is downthehole, can process out the cutter in two jump ring grooves simultaneously again, raise the efficiency, guarantee the precision. In order to realize the purpose, the utility model discloses the technical scheme who takes is:

a tool for machining double jump ring grooves, comprising:

the cutter handle is suitable for being connected with a main shaft of a machine tool;

the cutter bar is suitable for extending into a round hole of a workpiece to be processed;

different from the prior art:

the cutter bar is provided with at least one group of two major arc circular grooves in each group, the distance between the centers of the two major arc circular grooves is equal to the distance between the double clamp spring grooves to be processed, the groove bottoms of the two major arc circular grooves extend downwards to form right-angled triangular grooves with two orthogonal side surfaces, and screw holes are respectively drilled in the groove bottoms of the two right-angled triangular grooves along the axial lead of the two major arc circular grooves;

the milling cutter blade can be respectively arranged in the right-angle triangular groove, a milling cutter through hole is formed in the center of the milling cutter blade, a screw rod of a screw penetrates through the milling cutter through hole to be in threaded connection with the screw hole, a nail head pressing surface of the screw is abutted to the milling cutter blade, a milling cutter edge of the milling cutter blade is positioned outside the cutter bar, and at least one side surface of the milling cutter blade is abutted to one of two orthogonal side surfaces of the right-angle triangular groove;

at least one set of, two groove cutter blades of every group, the groove cutter blade can be installed respectively in the right angle triangular groove, and the grooving cutter through-hole is seted up to its center, and the screw rod of screw passes the grooving cutter through-hole with the screw spiro union, the pin fin compact surface of screw with the groove cutter blade butt, the shape of the milling cutting edge of groove cutter blade is corresponding with the shape of waiting to process the double jump ring groove and is located outside the cutter arbor, at least one side of groove cutter blade with one of them butt of two sides of right angle triangular groove quadrature.

And furthermore, more than two groups of circular grooves with the same arc are uniformly distributed along the circumferential direction of the cutter bar.

Furthermore, a circle center connecting line of the two major arc circular grooves is parallel to the axis of the cutter bar.

Further, one of the major arc circular grooves is close to the free end of the cutter bar.

Further, two side surfaces of the right-angle triangular groove are respectively extended inwards to form a boss, and at least one side surface of the milling cutter blade or the slotting cutter blade is abutted to the inner end surface of one boss.

Compared with the prior art, the utility model discloses both can carry out rough milling and chamfer in the work piece is downthehole, can process out the cutter in two jump ring grooves again simultaneously, raise the efficiency, guarantee the precision, reduction in production cost, simple structure, convenient to use.

Drawings

Fig. 1 is the structure schematic diagram of the knife handle and the knife bar in embodiment 1 of the present invention.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a schematic structural view of a milling cutter insert according to embodiment 1 of the present invention.

Fig. 4 is a schematic structural view of a screw according to embodiment 1 of the present invention.

Fig. 5 is a schematic structural view of a slot blade according to embodiment 1 of the present invention.

Fig. 6 is a schematic view of the milling cutter blade of the present invention when assembled on the cutter bar.

Fig. 7 is a schematic view of the structure of the slot-cutter blade of the present invention when assembled on the cutter bar.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Embodiment 1, a tool for machining double jump ring grooves as shown in fig. 1 to 7, comprising:

the tool holder 1 is suitable for being connected with a main shaft of a machine tool;

the cutter bar 2 is suitable for extending into a round hole of a workpiece to be processed;

at least 2 groups of two major arc circular grooves 21 are formed in the cutter bar 2 and are uniformly distributed along the circumferential direction of the cutter bar 2, each group of two major arc circular grooves 21 are formed, the distance between the centers of the two major arc circular grooves 21 is equal to the distance between the double clamp spring grooves to be processed, the groove bottoms of the two major arc circular grooves 21 extend downwards to form right-angled triangular grooves 23 with two orthogonal side surfaces, and screw holes 22 are respectively drilled in the groove bottoms of the two right-angled triangular grooves 23 and along the axial leads of the two major arc circular grooves 21;

more than 2 groups of two milling cutter blades 3 are arranged, each group of two milling cutter blades 3 can be respectively arranged in the right-angle triangular groove 23, a milling cutter through hole 31 is formed in the center of each milling cutter blade 3, a screw rod of a screw 4 penetrates through the milling cutter through hole 31 to be in threaded connection with the screw hole 22, a nail head pressing surface of the screw 4 is abutted against the milling cutter blades 3, a milling cutter edge 32 of each milling cutter blade 3 is positioned outside the cutter bar 2, and at least one side surface of each milling cutter blade 3 is abutted against one of two orthogonal side surfaces of the right-angle triangular groove 23;

more than 2 groups, two groove cutter blades 5 of every group, groove cutter blade 5 can be installed respectively in the right angle triangular groove 23, its center sets up groove cutter through-hole 51, and the screw rod of screw 4 passes groove cutter through-hole 51 with screw 22 spiro union, the pin fin compact surface of screw 4 with groove cutter blade 5 butt, the shape of the milling cutter sword 32 of groove cutter blade 5 is corresponding and is located with the shape of waiting to process the double-circlip groove outside cutter arbor 2, at least one side of groove cutter blade 5 with one of them butt of two sides of right angle triangular groove 23 quadrature.

The circle center connecting line of the two major arc circular grooves 21 is parallel to the axis of the cutter bar 2. One of the major arc circular slots 21 is near the free end of the shank 2. Two orthogonal side surfaces of the right-angle triangular groove 23 extend inwards to form bosses 24, and at least one side surface of the milling cutter blade 3 or the slotting cutter blade 5 is abutted against the inner end surface of one of the bosses 24.

As shown in fig. 6, when rough milling and deburring are performed in the workpiece hole, 4 milling cutter blades 3 are respectively mounted on a cutter bar 2 by using a tool, the cutter bar rotates, the cutter bar enters the workpiece hole to perform rough milling and deburring operations, then two grooves with triangular cross sections are respectively milled by the 4 milling cutter blades 3, and the bevel edges of the grooves form final chamfers of the double-clamp-spring grooves.

As shown in fig. 7, after rough milling and deburring are completed, the cutter bar is withdrawn, 4 milling cutter blades 3 are detached by using a tool, 4 groove cutter blades 5 are respectively installed on the cutter bar 2, the cutter bar enters the workpiece hole to perform grooving operation, double clamp spring grooves can be processed at one time, the efficiency is high, the precision is high, the production cost is reduced, the structure is simple, and the use is convenient.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the invention is not limited to the embodiments described herein, but is capable of other embodiments with obvious modifications, variations, and equivalents without departing from the scope of the invention. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still belong to the protection scope of the technical solution of the present invention.

Claims

1. A tool for machining double jump ring grooves, comprising:

the cutter handle (1) is suitable for being connected with a main shaft of a machine tool;

the cutter bar (2) is suitable for extending into a round hole of a workpiece to be processed;

it is characterized in that the preparation method is characterized in that,

the cutter bar (2) is provided with at least one group of two major arc circular grooves (21) in each group, the distance between the centers of the two major arc circular grooves (21) is equal to the distance between the double clamp spring grooves to be processed, the bottoms of the two major arc circular grooves (21) extend downwards to form right-angled triangular grooves (23) with two orthogonal side surfaces, and screw holes (22) are drilled in the bottoms of the two right-angled triangular grooves (23) along the axial leads of the two major arc circular grooves (21) respectively;

at least one group of two milling cutter blades (3) and each group of two milling cutter blades (3), wherein the milling cutter blades (3) can be respectively arranged in the right-angle triangular groove (23), a milling cutter through hole (31) is formed in the center of each milling cutter blade, a screw rod of a screw (4) penetrates through the milling cutter through hole (31) to be in threaded connection with the screw hole (22), a nail head pressing surface of the screw (4) is abutted against the milling cutter blades (3), a milling cutter edge (32) of each milling cutter blade (3) is positioned outside the cutter bar (2), and at least one side surface of each milling cutter blade (3) is abutted against one of two orthogonal side surfaces of the right-angle triangular groove (23);

at least two groove cutter blade (5) of a set of, every group, groove cutter blade (5) can be installed respectively in right angle triangular groove (23), groove cutter through-hole (51) is seted up at its center, and the screw rod of screw (4) passes groove cutter through-hole (51) with screw (22) spiro union, the pin fin compact surface of screw (4) with groove cutter blade (5) butt, the shape of milling cutting edge (32) of groove cutter blade (5) is corresponding and is located with the shape of waiting to process the double jump ring groove outside cutter arbor (2), at least one side of groove cutter blade (5) with one of them butt of two sides of right angle triangular groove (23) quadrature.

2. The tool for machining double jump ring slots according to claim 1, wherein two or more sets of two major arc circular slots (21) are uniformly distributed along the circumferential direction of the tool bar (2).

3. The tool for machining the double jump ring groove as recited in claim 1, characterized in that the line connecting the centers of the two major arc circular grooves (21) is parallel to the axis of the tool bar (2).

4. Tool for machining double jump ring slots according to claim 1, wherein one of said major arc circular slots (21) is located near the free end of said shank (2).

5. The tool for machining double jump ring grooves according to claim 1, wherein said right triangular grooves (23) have bosses (24) formed by extending inward on two orthogonal side surfaces, respectively, and at least one side surface of said milling cutter blade (3) or said grooving cutter blade (5) abuts against an inner end surface of one of said bosses (24).