CN111136287A

CN111136287A - Cutter arbor and have its cutter unit spare

Info

Publication number: CN111136287A
Application number: CN201811302123.5A
Authority: CN
Inventors: 韩琦; 张宗超
Original assignee: Beijing Worldia Diamond Tools Co ltd
Current assignee: Beijing Worldia Diamond Tools Co ltd
Priority date: 2018-11-02
Filing date: 2018-11-02
Publication date: 2020-05-12

Abstract

The invention provides a cutter bar and a cutter assembly with the same, wherein the cutter bar is provided with a cutting end and a fixed end which are oppositely arranged, the cutting end is provided with an installation groove and an installation hole, the installation groove is used for installing a blade, the installation hole is arranged at the side edge of the installation groove and is communicated with the installation groove, and the installation hole is used for placing a fastener so as to fix the blade on the cutter bar through the fastener. Through the technical scheme that this application provided, can solve the blade among the prior art and easily cause the extravagant problem of material when changing.

Description

Cutter arbor and have its cutter unit spare

Technical Field

The invention relates to the technical field of machining, in particular to a cutter bar and a cutter assembly with the same.

Background

At present, current blade is generally fixed on the cutter arbor through the welded mode, after cutting metal surface for a long time, the blade of blade must have wearing and tearing, because blade and cutter arbor be fixed body structure together, the blade and the cutter arbor after using for a long time and damaging can only wholly abandon, so cause the material extravagant.

Disclosure of Invention

The invention provides a cutter bar and a cutter assembly with the same, and aims to solve the problem that a blade in the prior art is easy to cause material waste when replaced.

The invention provides a cutter bar which is provided with a cutting end and a fixed end which are oppositely arranged, wherein the cutting end is provided with a mounting groove and a mounting hole, the mounting groove is used for mounting a blade, the mounting hole is formed in the side edge of the mounting groove and is communicated with the mounting groove, and a fastening piece is placed in the mounting hole so as to fix the blade on the cutter bar through the fastening piece.

Furthermore, the mounting groove is arranged along the axial direction of the cutter bar, and the mounting hole is formed in the side wall of the cutter bar.

Further, be provided with a plurality of mounting holes on the cutter arbor, a plurality of mounting holes set up along axial interval, every mounting hole all communicates with the mounting groove.

Furthermore, a plurality of mounting grooves are formed in the cutter rod, one mounting unit is formed by one mounting groove and two mounting holes, a plurality of mounting units are arranged on the cutter rod, and the plurality of mounting units are circumferentially arranged on the side wall of the cutter rod at intervals.

Further, a plurality of mounting units are arranged on the tool bar in a manner of being centrosymmetric with respect to the axis of the tool bar.

Further, the cutting end is also provided with a row cutting groove which is arranged on one side of the mounting groove close to the fixed end.

Furthermore, the cutting end is also provided with a cooling hole, and the cooling hole is arranged in the row cutting groove.

Furthermore, the extending direction of the mounting groove and the axis of the cutter bar form an included angle which is between 0 degree and 10 degrees.

The present invention also provides a cutter assembly comprising: the cutter bar is the cutter bar provided above; the fastening piece is arranged in the mounting hole of the cutter bar; the blade is arranged in the mounting groove of the cutter bar.

Further, the blade has a cutting edge with an included angle in the radial direction of the blade holder, the included angle being between 0 ° and 10 °.

By applying the technical scheme of the invention, the cutting end of the cutter bar is provided with the mounting groove and the mounting hole, the mounting hole is arranged on one side of the mounting groove, the mounting hole is communicated with the mounting groove, the blade is fixed by using the mounting groove, the mounting hole is used for placing the fastener, and the blade is fixed in the mounting groove by using the fastener. The structure through this cutter arbor can set up blade detachably on the cutter arbor, when the blade damages or needs to be changed like this, only need with the blade from the cutter arbor dismantle get off can to can avoid when changing the blade, together abandoning blade and cutter arbor and causing the waste.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic structural view of a cutter assembly provided by the present invention;

FIG. 2 shows a cross-sectional view of a cutter assembly provided by the present invention;

fig. 3 shows a side view of a cutter assembly provided by the present invention.

Wherein the figures include the following reference numerals:

10. a cutting end; 11. mounting grooves; 12. mounting holes; 13. arranging and cutting grooves; 14. a cooling hole; 20. a fixed end; 100. a cutter bar; 200. a fastener; 300. a blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, an embodiment of the present invention provides a tool holder, which has a cutting end 10 and a fixed end 20 that are oppositely disposed, wherein a mounting groove 11 and a mounting hole 12 are disposed on the cutting end 10, the mounting hole 12 is disposed at a side of the mounting groove 11, and the mounting hole 12 is communicated with the mounting groove 11. The blade is fixed and installed through the installation groove 11, the fastener is placed through the installation hole 12, so that the fastener is abutted against the blade after being placed in the installation hole 12, the blade is fixed on the cutter bar by the aid of the fastener, and the blade is detachably arranged on the cutter bar. Wherein, the fastener can be a screw, a bolt, a rivet, a pin, etc.

In the present embodiment, a mounting groove 11 and a mounting hole 12 are provided on the cutting end 10 of the cutter bar, and the mounting hole 12 is provided at one side of the mounting groove 11, such that the mounting hole 12 communicates with the mounting groove 11, the blade is fixed using the mounting groove 11, a fastening member is placed using the mounting hole 12, and the blade is fixed in the mounting groove 11 by the fastening member. The structure through this cutter arbor can set up blade detachably on the cutter arbor, when the blade damages or needs to be changed like this, only need with the blade follow the cutter arbor dismantle get off can, convenient the change. And can avoid when changing the blade, abandon blade and cutter arbor together and cause the waste, reduce the replacement cost.

Specifically, the mounting groove 11 is disposed along the axial direction of the cutter bar, and the mounting hole 12 is disposed on the sidewall of the cutter bar, wherein the extending direction of the mounting groove 11 may be parallel to the axis of the cutter bar, or may have an angle with the axis of the cutter bar, the extending direction of the mounting hole 12 may be perpendicular to the extending direction of the mounting groove 11, or may have an angle with the extending direction of the mounting groove 11, wherein the extending direction of the mounting groove 11 has an angle with the axis of the cutter bar, such as an angle α in fig. 1, the angle is set between 0 ° and 10 °, the angle may be an angle from the axis to the extending direction in the clockwise direction, or an angle from the axis to the extending direction in the counterclockwise direction.

Wherein, can set up a plurality of mounting holes 12 on the cutter arbor, a plurality of mounting holes 12 set up along axial interval, every mounting hole 12 all communicates with mounting groove 11. A plurality of fasteners can be placed through the plurality of mounting holes 12, and then the blade can be fixed through the plurality of fasteners, so that the fixing effect on the blade is enhanced.

Specifically, a plurality of mounting grooves 11 are provided on the cutter bar. Wherein, a mounting unit is formed by one mounting groove 11 and two mounting holes 12, a plurality of mounting units are arranged on the cutter bar, and the plurality of mounting units are circumferentially arranged on the side wall of the cutter bar at intervals. Through the structure, the cutter bar can be provided with the installation units for installing the blades, so that the cutter bar is convenient for a user to use. In this embodiment, two mounting units are provided on the tool holder. The two mounting units can be the same or different in structure and size, and blades with the same structure or different structures can be placed on the two mounting units. The structure can be designed according to actual needs.

Specifically, the plurality of mounting units are arranged on the cutter bar in a manner of being centrosymmetric with the axis of the cutter bar. Therefore, the cutter bar can be conveniently subjected to cutter changing operation.

Wherein, a row of cutting grooves 13 is further provided on the cutting end 10, and the row of cutting grooves 13 is provided on the side of the mounting groove 11 close to the fixed end 20. The arrangement of the cutting discharge groove 13 can prevent the residue of the blade from being accumulated in the cutting process, so that the residue is discharged conveniently.

In the present embodiment, a cooling hole 14 is further provided in the cutting end 10, and the cooling hole 14 is provided in the row cutting groove 13. The cooling holes 14 are arranged, so that the blade is conveniently cooled, the blade is prevented from being damaged due to overhigh temperature in the working process, and the service life of the blade is prolonged.

Through the cutter arbor that this embodiment provided, utilize the fastener to fix the blade in mounting groove 11, can set up blade detachably on the cutter arbor, when the blade damages or needs to be changed like this, only need with the blade follow the cutter arbor dismantle get off can, convenient change. And can avoid when changing the blade, abandon blade and cutter arbor together and cause the waste, reduce the replacement cost.

Another embodiment provided by the present invention is a cutter assembly, comprising: a tool shank 100, a fastener 200, and a blade 300. Wherein, the cutter bar 100 is the cutter bar provided by the above embodiments, the fastener 200 is arranged in the mounting hole 12 of the cutter bar 100, and the blade 300 is arranged in the mounting groove 11 of the cutter bar 100. The insert 300 is secured to the toolholder 100 by a fastener 200. The fastener 200 is connected to the mounting hole 12 by means of a screw connection.

The blade 300 has an edge that is angled in the radial direction of the tool holder 100. as shown by angle β in fig. 2, the angle is between 0 ° and 10 °, which may be from a horizontal diameter to an edge in a clockwise direction or from a horizontal diameter to an edge in a counter-clockwise direction.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cutter arbor, its characterized in that, the cutter arbor has relative cutting end (10) and stiff end (20) that sets up, be provided with mounting groove (11) and mounting hole (12) on cutting end (10), mounting groove (11) are used for installing the blade, mounting hole (12) set up the side of mounting groove (11), just mounting hole (12) with mounting groove (11) intercommunication, mounting hole (12) are used for placing the fastener, will through the fastener the blade is fixed on the cutter arbor.

2. The tool bar as claimed in claim 1, characterized in that the mounting slot (11) is arranged in the axial direction of the tool bar, and the mounting hole (12) opens in a side wall of the tool bar.

3. The tool bar as claimed in claim 2, characterized in that a plurality of the mounting holes (12) are provided, a plurality of the mounting holes (12) are provided at intervals in the axial direction, and each mounting hole (12) communicates with the mounting groove (11).

4. The tool bar as claimed in claim 3, wherein a plurality of mounting grooves (11) are arranged on the tool bar, one mounting groove (11) and two mounting holes (12) form a mounting unit, a plurality of mounting units are arranged on the tool bar, and a plurality of mounting units are circumferentially arranged on the side wall of the tool bar at intervals.

5. The tool holder as claimed in claim 4, wherein a plurality of the mounting units are arranged on the tool holder in axial center symmetry of the tool holder.

6. The tool bar as claimed in claim 1, characterized in that the cutting end (10) is further provided with a row of cutting grooves (13), and the row of cutting grooves (13) is arranged on one side of the mounting groove (11) close to the fixed end (20).

7. The tool shank according to claim 6, characterized in that a cooling hole (14) is further provided on the cutting end (10), the cooling hole (14) being provided in the row of cutting flutes (13).

8. The tool bar as claimed in claim 1, characterized in that the mounting groove (11) extends in an angle with the axis of the tool bar, which angle is between 0 ° and 10 °.

9. A cutter assembly, characterized in that the cutter assembly comprises:

a tool bar (100), the tool bar (100) being a tool bar according to any one of claims 1 to 8;

a fastener (200), the fastener (200) disposed within a mounting hole (12) of the tool bar (100);

the blade (300) is arranged in the mounting groove (11) of the cutter bar (100).

10. The cutter assembly according to claim 9, wherein the insert (300) has an edge having an included angle in a radial direction of the shank (100), the included angle being between 0 ° and 10 °.