CN215919833U

CN215919833U - Hilt supporting structure

Info

Publication number: CN215919833U
Application number: CN202122202170.6U
Authority: CN
Inventors: 赵挺; 彭嘉伟; 赵文立; 郭家宝; 曾国权
Original assignee: Guangdong Kejie Technology Co Ltd
Current assignee: Guangdong Kejie Technology Co Ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-03-01
Anticipated expiration: 2031-09-10

Abstract

The utility model relates to a knife handle supporting structure. The hilt supporting structure comprises a hilt and a clamp, wherein the hilt comprises an outer cone, an installation part and a connection part, one end of the connection part is connected with the outer cone, the other end of the connection part is connected with the installation part, and an inner hole for installing a cutter is formed in the installation part; the fixture comprises a supporting seat, an annular tool holder and a positioning block, wherein the annular tool holder is arranged on the supporting seat and used for clamping the connecting part, the positioning block is arranged below the supporting seat, and the positioning block is used for being abutted to a tool. According to the hilt supporting structure, the positioning block is arranged below the supporting seat, so that the positioning block is abutted against the side wall of the cutter, the cutter is prevented from deflecting in the transferring process, and the positioning accuracy of the hilt and the cutter is prevented from being influenced.

Description

Hilt supporting structure

Technical Field

The utility model relates to the technical field of machining equipment, in particular to a hilt supporting structure.

Background

With the technological progress, the requirements of machines on machining are higher and higher, and people can realize more diversified part machining by continuously improving cutters and machining modes in the machining processes of milling, turning and the like. The existing machining mainly comprises the steps that a machine tool is used for clamping a cutter and a workpiece, and further the workpiece is machined by rotating the workpiece or a machining cutter, so that the existing cutter is usually provided with a marking cutter handle for installation, and the adaptability and the installation efficiency are effectively improved.

However, in the prior art, milling of a workpiece is mostly realized by high-speed rotation of a milling cutter, but when a certain special workpiece is machined, a heavy tool such as a grinding wheel needs to be used for machining sometimes, when the tool moves to a spindle from a tool magazine, the tool and a tool holder are driven by a tool holder, and the tool holder is heavy, when the tool is moved by the tool holder, the tool can tilt due to self gravity, so that the tool holder cannot be kept vertical, and the installation and matching of the tool holder and the spindle are influenced.

SUMMERY OF THE UTILITY MODEL

Based on the structure, the utility model provides a tool holder deflection preventing structure which comprises a tool holder and a clamp, wherein the tool holder comprises an outer cone, an installation part and a connecting part, one end of the connecting part is connected with the outer cone, the other end of the connecting part is connected with the installation part, and an inner hole for installing a tool is formed in the installation part;

the fixture comprises a supporting seat, an annular tool holder and a positioning block, wherein the annular tool holder is arranged on the supporting seat and used for clamping the connecting part, the positioning block is arranged below the supporting seat and used for being abutted to a tool.

Further, the locating piece includes first butt joint piece, first butt joint piece with the bottom of supporting seat is connected, form first butt surface on the lower surface of first butt joint piece, first butt surface be used for with the cutter is close to the terminal surface butt of hilt.

Further, the locating piece still includes second butt piece, second butt piece set up in first butt piece below, second butt piece orientation one side of handle of a knife is formed with the second butt face, the second butt face be used for with the side butt of cutter.

Further, the second abutting surface is an arc-shaped surface.

Furthermore, a support pillar is arranged on the support seat, a threaded hole is formed in the support pillar, and a through hole is formed in the first abutting block;

and a mounting groove is formed in the second abutting block, a screw is arranged in the mounting groove, and the screw penetrates through the through hole and is fixedly connected with the threaded hole.

Further, an opening is formed in one side, facing the tool holder, of the mounting groove, and the opening enables the second abutting surface to be formed by surrounding the plurality of sub abutting surfaces.

Further, the support column, the threaded hole, the through hole and the mounting groove are two.

Further, the first abutting block and the second abutting block are integrally formed.

The tool holder supporting structure clamps the tool holder through the annular tool holder, and the heavy tool has heavy weight, so that the tool holder is inclined under the influence of the gravity of the tool when clamping the tool holder, a positioning block is arranged at the bottom of the supporting seat, a first abutting surface and a second abutting surface are respectively arranged on the positioning block, when the tool holder and the tool are arranged on the tool holder, the first abutting surface abuts against the upper surface of the tool, the second abutting surface abuts against the side surface of the tool, and therefore deflection movement of the tool is limited in the horizontal direction, and the tool holder are always kept in the vertical direction when being arranged on the tool holder.

For a better understanding and implementation, the technical solutions of the present invention are described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a handle support structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of the inside of an annular toolholder in accordance with an embodiment of the utility model;

FIG. 3 is a schematic cross-sectional view of a handle support structure in accordance with one embodiment of the present invention;

FIG. 4 is a schematic view of a positioning block according to an embodiment of the present invention.

In the figure, 1, a knife handle; 11. an outer cone; 12. a connecting portion; 121. an annular groove; 13. an installation part; 2. a clamp; 21. a supporting seat; 211. 22, a support column; an annular toolholder; 221. a fixing ring; 23. positioning blocks; 231. a first abutment block; 231a, a first contact surface; 232. a second abutment block; 232a and a second abutting surface; 232b and a first stop block; 232c and a second stop block; 233. mounting grooves; 234. a through hole; 3. and (4) a cutter.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the relevant aspects of the present invention are shown in the drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In the following, several specific embodiments are given for describing the technical solution of the present application in detail. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

As shown in fig. 1 and 2, in one embodiment, the handle support structure of the present invention includes a handle 1 and a clamp 2, the handle 1 includes an outer cone 11, a connecting portion 12 and a mounting portion 13, the mounting portion 13 and the connecting portion 12 are specifically a cylindrical structure, one end of the connecting portion 12 is connected to the outer cone 11, the other end of the connecting portion 12 is connected to the mounting portion 13, and the outer cone 11, the connecting portion 12 and the mounting portion 13 are concentrically disposed, an inner hole for mounting a tool 3 is formed inside the mounting portion 13, an annular groove 121 is formed on an outer surface of the connecting portion 12, and the annular groove 121 is located on an outer surface of the connecting portion 12 near the mounting portion 13.

The clamp 2 comprises a supporting seat 21, an annular tool holder 22 and a positioning block 23, the annular tool holder 22 is arranged on the supporting seat 21, a clamping space is formed on the inner side of the annular tool holder 22, an opening is formed at one end, away from the supporting seat 21, of the annular tool holder 22, the positioning block 23 is arranged under the supporting seat 21, a first abutting surface 231a is arranged on the positioning piece 23, when the annular tool holder 22 clamps the whole tool holder 1, the connecting portion 12 is located in the clamping space, and the first abutting surface 231a is abutted and fixed with the tool 3, so that the tool is limited to deflect towards the supporting seat 21.

As shown in fig. 3, in one embodiment, the inner side of the annular holder 22 is provided with a fixing ring 221, the fixing ring 221 extends toward the inner side of the annular holder 22 along the radial direction of the annular holder 22, and when the annular holder 22 clamps the connecting portion 12, the fixing ring 221 is inserted into the annular groove 121 to be fixed, thereby ensuring that the tool holder 1 does not move longitudinally inside the annular holder 22. Preferably, the annular holder 22 is embodied as an elastic holder made of an elastic engineering plastic material, and the tool holder 1 is mounted inside the annular holder 22 and clamps the tool holder 1 by elastic deformation of the annular holder 22. To facilitate the installation of the tool holder 1 into the inside of the annular holder 22, the end surface of the fixing ring 221 adjacent to the opening of the annular holder 22 is a circular arc surface extending toward the inside of the opening of the annular holder 22.

In one embodiment, the positioning block 23 is a rectangular parallelepiped structure, the positioning block 23 includes a first abutting block 231 and a second abutting block 232, the first abutting block 231 is a rectangular plate-shaped structure, and is horizontally disposed below the supporting seat 21 and connected to the supporting seat 21, a first abutting surface 231a is formed on a lower surface of the first abutting block 231, when the handle 1 and the tool 3 are mounted on the annular tool holder 22, the first abutting block 231 is horizontally disposed above an upper surface of the tool 3, and the first abutting surface 231a is abutted and fixed with the upper surface of the tool 3.

The second abutting block 232 is disposed below the first abutting block 231, the second abutting block 232 specifically includes a first stop 232b, the first stop 232b is located at a middle position of the first abutting block 231, a second abutting surface 232a is formed at one end of the first stop 232b facing the handle 1, preferably, the length of the first stop 232b is smaller than the width of the first abutting block 231, so that the first abutment surface 231a is located between the second abutment surface 232a and the tool 3, and the second abutting surface 232a and the first abutting surface 231a form a right angle structure, when the tool holder 1 and the tool 3 are mounted on the annular tool holder support column, the upper surface of the side of the tool 3 adjacent to the positioning block 23 is located below the first abutment block 231, and abuts against the first abutment surface 231a, and the side wall of the cutter 3 on the side closer to the positioning block 23 abuts against the second abutment surface 232a, whereby the tilt rotation of the cutter 3 is restricted by the above-described right-angle structure.

Preferably, the second abutting surface 232a is a curved surface, and the curvature of the curved surface matches the curvature of the side wall of the cutter 3.

Preferably, in order to further position the cutter 3, the second abutting block 232 further includes two second stoppers 232c, the second stoppers 232c are disposed at two ends of the first abutting block 231, the second stoppers 232c are parallel to the first stoppers 232b, and the length of the second stoppers 232c is equal to the width of the first abutting block 231, preferably, the second stoppers 232c are connected to one end of the first stopper 232b far away from the cutter 3 through a connecting block, so that a U-shaped 233 mounting groove with an opening facing the cutter 3 is formed between the first stopper 232b and the two second stoppers 232c, and the one end of the second stopper 232c facing the cutter 3 forms an inclined plane which extends towards the inner side of the mounting groove 233.

Preferably, both the inclined surface of the second stopper 232c near one end of the tool 3 and the curved surface of the first stopper 232b facing the tool 3 are used to abut against the side wall of the tool 3, thereby restricting the deflection of the tool 3, and therefore both the inclined surface of the second stopper 232c near one end of the tool 3 and the curved surface of the first stopper 232b facing the tool 3 are sub-abutting surfaces of the second abutting surface 232 a.

Preferably, to ensure the overall strength of the second abutting block 232, the first stopper 232b, the second stopper 232c and the connecting block are integrally formed.

In the above embodiment, two supporting columns are vertically arranged on the supporting seat 21, a threaded hole is formed inside the supporting columns, two through holes 234 are formed on the first abutting block 231, the two through holes 234 are respectively arranged in the two mounting grooves 233 of the second abutting block 232, screws are arranged in the two mounting grooves 233 of the second abutting block 232, and the screws pass through the through holes 234 and are fixedly connected with the threaded holes.

Preferably, in order to improve the overall strength of the positioning block 23, the first abutting block 231 and the second abutting block 232 are integrally formed.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A hilt supporting structure is characterized in that:

the tool comprises a tool holder and a clamp, wherein the tool holder comprises an outer cone, an installation part and a connection part, one end of the connection part is connected with the outer cone, the other end of the connection part is connected with the installation part, and an inner hole for installing a tool is formed in the installation part;

2. The holder support structure according to claim 1, wherein:

the locating piece includes first butt joint piece, first butt joint piece with the bottom of supporting seat is connected, form first butt face on the lower surface of first butt joint piece, first butt face be used for with the cutter is close to the terminal surface butt of hilt.

3. The holder support structure according to claim 2, wherein:

the locating piece still includes second butt piece, second butt piece set up in first butt piece below, second butt piece orientation one side of hilt is formed with the second butt face, the second butt face be used for with the side butt of cutter.

4. The holder support structure according to claim 3, wherein:

the second abutting joint surface is an arc-shaped surface.

5. The holder support structure according to claim 4, wherein:

a support pillar is arranged on the support seat, a threaded hole is formed in the support pillar, and a through hole is formed in the first abutting block;

6. The holder support structure according to claim 5, wherein:

an opening is formed in one side, facing the hilt, of the mounting groove, and the opening enables the second abutting surface to be formed by a plurality of sub abutting surfaces in a surrounding mode.

7. The holder support structure according to claim 1, wherein:

the support column, the screw hole, the through-hole with the mounting groove all is two.

8. The holder support structure according to claim 1, wherein:

the first abutting block and the second abutting block are integrally formed.