CN217667851U

CN217667851U - Cutter positioning device suitable for ER chuck type knife handle

Info

Publication number: CN217667851U
Application number: CN202221504793.7U
Authority: CN
Inventors: 陈广福; 郑诗科; 郑学科
Original assignee: Shandong Haili Transmission Machinery Manufacturing Co ltd
Current assignee: Shandong Haili Transmission Machinery Manufacturing Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-10-28
Anticipated expiration: 2032-06-16

Abstract

The utility model relates to a cutter positioning device suitable for ER chuck type tool handles, which comprises an ER tool handle and an ER chuck, wherein one end in the ER tool handle is of a hollow structure, the other end of the ER tool handle is provided with an open slot, and the cutter positioning device also comprises a positioning screw and a positioning nut; the open slot includes tapering cavity structure and one-order stair structure, and the open slot is equipped with macrostoma end and osculum end, and one-order stair structure establishes at osculum end department, and ER chuck is installed to open slot macrostoma end department, and the outer end cover of ER chuck is equipped with ER collet nut, and set screw runs through set nut, and set screw and set nut setting are in one-order stair structure department, and set screw's surface is equipped with the external screw thread, and set nut's internal surface is equipped with the internal thread, the external screw thread of set screw surface and the internal thread looks adaptation of set nut internal surface. The utility model discloses improved the depth of cut out overproof and caused the condemned condition of part, reduced because cutter axial displacement leads to cutter and lathe or the collision of being processed the part to cause the problem of damage.

Description

Cutter positioning device suitable for ER chuck type knife handle

Technical Field

The utility model relates to a cutter positioner suitable for ER chuck class handle of a knife.

Background

At present, an ER chuck type tool shank is widely applied in practical production as a standard type accessory, one end of the tool shank is directly connected with a main shaft or a tool rest of a processing machine tool, the ER chuck end of the tool shank is connected with tools such as a drill bit, a milling cutter, a boring cutter and the like, various profiles can be processed on machine tools such as a lathe, a milling machine, a processing center machine tool, a drilling machine and the like in an auxiliary mode, and the ER chuck type tool shank is high in radial precision, convenient to adjust, economical and practical.

In the prior art, the ER chuck type tool shank is high in radial positioning precision of the tool, but is short of positioning in the axial direction of the tool. When the axial dimension of the machined part is strict, the cutter moves axially due to the fact that the cutter handle lacks the axial positioning of the cutter, the cutting depth is caused to be out of tolerance, the part is scrapped, or the cutter collides with a machine tool or the machined part, and the machine tool and the cutter are damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model provides a cutter positioner suitable for ER chuck class handle of a knife helps solving axial positioning's not enough, the utility model discloses simple structure, adjustment convenience, with low costs can satisfy the demand of multiple cutter.

In order to solve the technical problem, the technical scheme of the utility model is that:

a cutter positioning device suitable for an ER (ER) chuck type cutter handle comprises the ER cutter handle and an ER chuck, wherein one end in the ER cutter handle is of a hollow structure, and the other end of the ER cutter handle is provided with an open slot; the positioning device also comprises a positioning screw and a positioning nut; the open slot includes tapering cavity structure and one-order stair structure, the open slot is equipped with macrostoma end and osculum end, one-order stair structure establishes osculum end department, open slot macrostoma end department installs the ER chuck, the outer end cover of ER chuck is equipped with ER collet nut, set screw runs through set nut, set screw and set nut set up one-order stair structure department, set screw's surface is equipped with the external screw thread, set nut's internal surface is equipped with the internal thread, the external screw thread of set screw surface with the internal thread looks adaptation of set nut internal surface.

Preferably, a transverse groove is formed in one end face, away from the ER chuck, of the positioning screw.

Preferably, the outer surface of the positioning nut is provided with a first circular ring and a second circular ring, one side of the circumference of the first circular ring is abutted to the horizontal plane of the first-step stepped structure, the second circular ring is higher than the first circular ring, and the second circular ring is clamped with the vertical plane.

To sum up, the utility model discloses possess following beneficial technological effect:

1. the utility model discloses a set up set screw and set nut in first-order stair structure department, can fix a position the cutter axial, improved the depth of cut overproof and caused the condemned condition of part, reduced because cutter axial displacement, lead to cutter and lathe or by the collision of processing part to cause the problem of damage.

2. The utility model discloses a positioning nut, set screw and ER handle of a knife's cooperation, solve cutter axial displacement's problem, simple structure, adjustment convenience, with low costs can satisfy the demand of multiple cutter.

3. The utility model discloses a set up the cross slot on the terminal surface that ER chuck was kept away from to set screw, can be according to the actual conditions of work, the length that adjustment set screw stretches out to the axial position of direct decision cutter at the handle of a knife.

Drawings

For the purpose of more clearly explaining the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 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 cross-sectional view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a set screw and a set nut according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a set screw according to an embodiment of the present invention;

FIG. 4 is a side view of a set screw according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of a positioning nut in accordance with an embodiment of the present invention;

fig. 6 is a schematic view of an operating state of the embodiment of the present invention;

fig. 7 is a schematic view of an operating state of the embodiment of the present invention;

description of reference numerals: 1. an ER knife handle; 2. an ER collet; 3. an open slot; 4. a set screw; 5. positioning a nut; 6. a large opening end; 7. a small opening end; 8. an ER collet nut; 9. a horizontal plane; 10. a vertical plane; 11. a cutter is arranged; 12. a second circular ring; 13. a first circular ring; 14. a transverse groove.

Detailed Description

The technical solutions of the present invention will be described in detail and fully hereinafter with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the present embodiment belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms "first" and "second" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

The utility model discloses a cutter positioner suitable for ER chuck class handle of a knife.

Referring to fig. 1-5, the utility model provides a cutter positioning device suitable for ER chuck type tool holders, which comprises an ER tool holder 1 and an ER chuck 2, wherein one end in the ER tool holder 1 is a hollow structure, and the other end of the ER tool holder 1 is provided with an open slot 3; the utility model provides a cutter positioning device suitable for ER chuck type knife handles, which also comprises a positioning screw 4 and a positioning nut 5; the open slot 3 comprises a taper cavity structure and a first-order stepped structure, the open slot 3 is provided with a large opening end 6 and a small opening end 7, the first-order stepped structure is arranged at the small opening end 7, an ER chuck 2 is arranged at the large opening end 6 of the open slot 3, an ER chuck nut 8 is sleeved at the outer end of the ER chuck 2, the positioning screw 4 penetrates through the positioning nut 5, the positioning screw 4 and the positioning nut 5 are arranged at the first-order stepped structure, the outer surface of the positioning screw 4 is provided with an external thread, the inner surface of the positioning nut 5 is provided with an internal thread, and the external thread on the outer surface of the positioning screw 4 is matched with the internal thread on the inner surface of the positioning nut 5; a transverse groove 14 is formed in one end face, away from the ER chuck 2, of the positioning screw 4; the outer surface of the positioning nut 5 is provided with a first circular ring 13 and a second circular ring 12, one side of the circumference of the first circular ring 13 is abutted to the horizontal plane 9 of the first-order stepped structure, the second circular ring 12 is higher than the first circular ring 13, and the second circular ring 12 is clamped with the vertical plane 10 of the first-order stepped structure.

Referring to fig. 6-7, the utility model discloses different cutters can be collocated to cutter department 11, satisfies the demand of multiple cutter.

During the use, screw set screw 4 into set nut 5 earlier, then put into ER handle of a knife 1 with set screw 4 and set nut 5 from the one end of open slot 3, set nut 5 is through the first ring 12 and the first-order stair structure joint in the second ring 13 and the ER handle of a knife 1 in the outside, put into ER chuck 2 macrostoma end 6 department of open slot 3 again, it is fixed with ER chuck 2 and ER handle of a knife 1 through ER chuck nut 8, put into the hole of ER chuck 2 with the cutter at last, the one end of cutter supports the one end of set screw 4, the cutter is fixed. According to the actual working condition, a tool is used for propping against the transverse groove 14 to screw the positioning screw 4, the extending length of the positioning screw 4 is adjusted, and the axial position of the cutter in the ER cutter handle 1 is adjusted.

Above do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a cutter positioner suitable for ER chuck class handle, includes ER handle of a knife (1), ER chuck (2), one end is hollow structure in ER handle of a knife (1), the other end of ER handle of a knife (1) is equipped with open slot (3), its characterized in that: the device also comprises a positioning screw (4) and a positioning nut (5); open slot (3) are including tapering cavity structure and one-order stair structure, open slot (3) are equipped with macrostoma end (6) and osculum end (7), one-order stair structure establishes osculum end (7) department, macrostoma end (6) department of open slot (3) installs ER chuck (2), the outer end cover of ER chuck (2) is equipped with ER collet nut (8), set screw (4) run through set nut (5), set screw (4) and set nut (5) set up one-order stair structure department, the surface of set screw (4) is equipped with the external screw thread, the internal surface of set nut (5) is equipped with the internal thread, the external screw thread of set screw (4) surface with the internal thread looks adaptation of set nut (5) internal surface.

2. Tool positioning device for an ER collet-like tool shank according to claim 1, characterized in that a transverse groove (14) is provided in the end of the positioning screw (4) remote from the ER collet (2).

3. The cutter positioning device suitable for the ER chuck type tool shank according to the claim 1, characterized in that the outer surface of the positioning nut (5) is provided with a first ring (13) and a second ring (12), one side of the circumference of the first ring (13) is abutted with the horizontal plane (9) of the first step structure, the second ring (12) is higher than the first ring (13), and the second ring (12) is clamped with the vertical plane (10) of the first step structure.