CN212552712U

CN212552712U - Numerical control machine tool and tool holder, tool assembly and disc tool magazine thereof

Info

Publication number: CN212552712U
Application number: CN201922496763.0U
Authority: CN
Inventors: 杨光; 吴淑就
Original assignee: Dongguan Haosheng Industrial Co ltd
Current assignee: Dongguan Haosheng Industrial Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-02-19
Anticipated expiration: 2029-12-31

Abstract

The embodiment of the utility model discloses digit control machine tool and cutter holder, cutter unit spare and disc tool magazine thereof. The tool holder comprises a mounting seat and a clamping part, wherein the clamping part is of an arc-shaped structure, and a first limiting part and/or a second limiting part are/is arranged at two tail ends and/or inner side surfaces of the arc-shaped structure. The utility model discloses the cutter of its centre gripping can be firmly fixed to the cutter holder, avoids influencing the machining precision of digit control machine tool.

Description

Numerical control machine tool and tool holder, tool assembly and disc tool magazine thereof

Technical Field

The utility model relates to a digit control machine tool field especially relates to a digit control machine tool and cutter holder, cutter unit spare and disc tool magazine thereof.

Background

The numerical control machine tool is a short name of a digital control machine tool (Computer numerical control machine tools), and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing. The tool holder of the numerical control machine tool is an important component of a tool magazine of the numerical control machine tool and is used for holding a tool in the tool magazine. In the tool changing process of the numerical control machine tool, if the position of a tool changes, the tool changing can fail, and the normal work of the numerical control machine tool is influenced.

The tool holders of the existing numerical control machine tool are generally simple circular through holes or openable clamping type structures.

The inventor is implementing the utility model discloses an in-process discovery, the cutter holder of numerically-controlled machine tool among the prior art is after long-time the use, produces easily between cutter and the cutter holder not hard up, influences the fixed effect of cutter holder to the cutter, and then influences the machining precision of digit control machine tool.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is that how to avoid the cutter of digit control machine tool not hard up from the cutter holder, influences the fixed effect of cutter holder to the cutter, and then influences the machining precision of digit control machine tool. The utility model provides a digit control machine tool and cutter holder, cutter unit spare and disc tool magazine thereof, the cutter of its centre gripping can be firmly fixed to this cutter holder, avoids influencing the machining precision of digit control machine tool.

In order to solve the technical problem, the utility model discloses a following technical scheme:

in a first aspect, an embodiment of the present application provides a tool holder, which includes a mounting seat and a clamping portion, wherein the clamping portion is an arc-shaped structure, and a first limiting component and/or a second limiting component are/is disposed at two ends and/or an inner side surface of the arc-shaped structure.

As a possible embodiment, the first limiting member is a telescopic limiting member, and/or the second limiting member is a fixed limiting member.

As a possible implementation manner, the telescopic limiting component is a wave bead top thread which symmetrically penetrates through the two tail ends along the horizontal direction and inwards exposes the head, and/or the fixed limiting component is a positioning boss which is convexly arranged inwards from the inner side surface in an arc shape.

As a possible embodiment, a limit fastener is further provided on the telescopic limit component.

As a possible implementation manner, the limiting fastener is a locking jackscrew which penetrates through the two tail ends along the vertical direction and is abutted with the wave bead jackscrew.

As a possible embodiment, the mounting seat and the clamping portion are integrally formed in a Y-shaped structure on the outer side, and the inner side surface of the clamping portion is in a semicircular structure.

In a second aspect, the present application provides a tool assembly comprising a tool and a toolholder holding the tool, the toolholder being as described in any of the foregoing embodiments.

As a possible implementation mode, a tool shank clamping groove matched with the positioning boss is formed in the tool shank of the tool.

In a third aspect, embodiments of the present application provide a disc magazine comprising a plurality of sets of tool assemblies arranged in a circle, the tool assemblies comprising a toolholder as described in any of the preceding embodiments.

In a fourth aspect, embodiments of the present application provide a numerically controlled machine tool including a circular tool magazine as described in the foregoing embodiments.

The embodiment of the utility model provides a beneficial effect is:

the embodiment of the utility model provides a through two ends and/or the medial surface at the cutter holder clamping part that is the arc structure, be equipped with first spacing part and/or the spacing part of second for the cutter of its centre gripping can firmly be fixed to this cutter holder, avoids influencing the machining precision of digit control machine tool.

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 perspective view of a holder according to an embodiment of the present invention.

Fig. 2 is a schematic view of a cutter assembly provided by an embodiment of the present invention.

Fig. 3 is a sectional view a-a of fig. 2.

Fig. 4 is a sectional view B-B of fig. 2.

Reference numerals: the tool holder comprises a tool holder 1, a mounting seat 11, a clamping part 12, a first limiting part 121, a second limiting part 122, a limiting fastener 123, a tool 2 and a tool shank clamping groove 23.

Detailed Description

The toolholder 1 provided by an embodiment of the present invention will be described in detail with reference to fig. 1; as shown in fig. 1, the present embodiment mainly includes:

the clamping part 12 is of an arc-shaped structure, and a first limiting part 121 and/or a second limiting part 122 are/is arranged at two tail ends and/or inner side surfaces of the arc-shaped structure.

By adopting the tool holder, the first limiting part 121 and/or the second limiting part 122 are/is arranged at the two tail ends and/or the inner side surfaces of the clamping part 12 with the arc-shaped structure, so that the tool holder 1 can firmly fix a clamped tool, and the processing precision of a numerical control machine tool is prevented from being influenced.

As a possible embodiment, the first limiting member 121 is a telescopic limiting member, and/or the second limiting member 122 is a fixed limiting member.

By adopting the tool holder, the wave bead jackscrew is used as the telescopic limiting component, so that the fastening effect of the tool holder 1 can be improved.

As a possible embodiment, a limit fastener 123 is further provided on the telescopic limit component; the limit fastener 123 may be engaged with the telescopic limit member.

As a possible implementation, the limit fastener 123 is a locking jackscrew that passes through the two ends in the vertical direction and abuts against the wave-ball jackscrew.

By adopting the tool holder, the locking jackscrews which penetrate through the two tail ends along the vertical direction are abutted with the wave bead jackscrews, so that the fixing effect of the wave bead jackscrews can be enhanced, and the locking jackscrews are used as the limiting fasteners 123, so that the fixing effect of the tool holder 1 can be further improved.

As a possible embodiment, the mounting seat 11 and the clamping portion 12 are integrally formed in a Y-shaped configuration on the outside, and the inner side surface of the clamping portion 12 is formed in a semicircular configuration.

The theory of operation of this embodiment does, during the corresponding cutter of 1 centre gripping of cutter holder, the handle of a knife of cutter is followed between the two ends of clamping part 12 of arc structure to impel in the arc structure, pass the ripples pearl jackscrew, the ripples pearl jackscrew can produce the fastening action to this handle of a knife, the handle of a knife of cutter continue to impel in the arc structure, until the handle of a knife draw-in groove position 23 that the handle of a knife was equipped with clamping part 12 is equipped with location boss looks joint to make cutter holder 1 can firmly fix the handle of a knife of cutter.

One embodiment of the cutter assembly provided by the present invention is described in detail below with reference to fig. 2-4; as shown in fig. 2, the present embodiment mainly includes a tool 2 and a holder 1 for holding the tool 2; the holder 1 may be identical to the holder 1 described in the previous embodiments, and will not be described again.

As a possible implementation manner, a shank clamping groove 23 matched with the positioning boss is arranged on the shank of the cutter 2.

The application also provides an embodiment of a disc tool magazine, which comprises a plurality of groups of tool components arranged in a circle, wherein each tool component comprises a tool holder, and the tool holders can be completely the same as the tool holder 1 described in the previous embodiment and are not described again.

The application also provides an embodiment of the numerical control machine tool, which comprises a disc tool magazine, wherein the disc tool magazine can be completely the same as the disc tool magazine described in the previous embodiment, and the description is omitted.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A tool holder comprises a mounting seat and a clamping part and is characterized in that the clamping part is of an arc-shaped structure, first limiting parts are arranged at two tail ends of the arc-shaped structure, and second limiting parts are arranged on the inner side surface of the arc-shaped structure;

the first limiting part is a telescopic limiting part, and the second limiting part is a fixed limiting part;

wherein, a limit fastener is also arranged on the telescopic limit component.

2. The toolholder as defined in claim 1, wherein said retractable stop members are wave crest screws passing through said two distal ends symmetrically in a horizontal direction and inwardly exposing the heads, and said fixed stop members are positioning projections projecting inwardly from said inner side surfaces in an arc shape.

3. The toolholder of claim 2, wherein said retention fastener is a locknut passing vertically through said ends and abutting said jackscrew.

4. The toolholder according to any of claims 1 to 3, wherein the mounting block is integrally formed with the clamping portion and has an outer generally Y-shaped configuration and an inner surface of the clamping portion has a semi-circular configuration.

5. A tool assembly comprising a tool and a holder for holding the tool, characterized in that the holder is a holder according to any one of claims 1-4.

6. The cutting tool assembly of claim 5, wherein the shank of the cutting tool is provided with shank locking grooves that mate with the locating bosses.

7. A magazine comprising a plurality of sets of tool assemblies arranged in a circle, wherein the tool assemblies comprise a tool holder according to any one of claims 1-4.

8. A numerically controlled machine tool comprising the rotary magazine of claim 7.