CN209272569U - A kind of hard alloy single-blade aluminium knife - Google Patents

Abstract

The utility model discloses a kind of hard alloy single-blade aluminium knives, including knife bar, cutter head, mounting groove, blade, connection bolt, point of a knife, cutting edge, chip space, knife handle and locating slot.The beneficial effects of the utility model are: the tapered shape of cutter head, and the outer wall of cutter head is processed by shot blasting, it is cut or is drilled convenient for cutter head, blade of cemented carbide material by being made, and the point of a knife of blade and cutting edge surface are coated with micro-nano composite coating, improve the hardness of blade, it connects there are three bolt settings, and blade is in detachable connection by connection bolt and mounting groove, improve the fastness that blade is connect with mounting groove, it is also convenient for the new blade of dismounting and change simultaneously, there are gaps for the junction of blade and mounting groove, the chatter that blade is generated in cutting can be absorbed, avoid damage to the surface quality of workpiece.

Description

A kind of hard alloy single-blade aluminium knife

Technical field

The utility model relates to a kind of single cutting tool, specially a kind of hard alloy single-blade aluminium knife belongs to machining knife Has technical field.

Background technique

In metal cutting process, since to cut performance good by the row of single cutting tool, can high revolving speed, fast feeding cutting, often by with To carry out aluminium alloy accurate machining.

And for existing single cutting tool, one, in fast feeding cutting, the nose part of single cutting tool is easy crushing knife, subsequent Cutting when, the point of a knife to burst apart can reduce the surface quality of cutting surface, and when height is cut, aluminium skimmings fine crushing can be adhered to knife On tool, influence cutting effect, secondly, chip space designed for linear type, and at work, cut the waste material to get off be not easy to The cutter of rotation be discharged, influence chip removal efficiency, thirdly, blade in use for a long time loosening would tend to occur, and then lead Cause in process, precision is poor, four, blade can generate chatter in cutting, and then destroy the surface quality of workpiece, Do not reach requirement workpiece surface smoothness.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of hard alloy single-blade aluminium knife.

The utility model achieves the above object through the following technical schemes: a kind of hard alloy single-blade aluminium knife, including Knife bar, cutter head, mounting groove, blade, connection bolt, point of a knife, cutting edge, chip space, knife handle and locating slot；The knife bar, cutter head The main structure of the aluminium knife is constituted with knife handle, the front end of knife bar is arranged in the cutter head, and installation is offered on the cutter head Slot, the mounting groove are located at the top of cutter head, and the blade is attached with cutter head, and the blade is put by connecting bolt card In mounting groove, point of a knife and cutting edge are provided on the blade, and the point of a knife is located at the top of blade, the point of a knife opens up In the side of blade, the chip space is provided on cutter head, and the chip space is located at the bottom of blade, and the knife handle setting exists The tail end of knife bar, and locating slot is provided on the knife handle.

Preferably, it is cut or is drilled for the ease of cutter head, the tapered shape of cutter head, and the outer wall of cutter head is thrown Light processing, while can also reaming reprocessing be carried out to existing hole.

Preferably, in order to improve the service life of blade, the blade of cemented carbide material by being made, and blade Point of a knife and cutting edge surface are coated with micro-nano composite coating.

Preferably, in order to improve the fastness that blade is connect with mounting groove, there are three the connection bolt settings, and blade It is in detachable connection by connection bolt and mounting groove.

Preferably, in order to enable the waste material machined away to be smoothly discharged, the arc-shaped shape of chip space, and chip space is interior Wall is processed by shot blasting.

Preferably, the chatter in order to generate blade in cutting absorbs, the company of the blade and mounting groove Meeting place, there are gaps.

The beneficial effects of the utility model are: the hard alloy single-blade aluminium is designed rationally with knife, the tapered shape of cutter head, and knife The outer wall of head is processed by shot blasting, is cut or is drilled convenient for cutter head, while also can be carried out reaming to existing hole and be added again Work, blade of cemented carbide material by being made, and the point of a knife of blade and cutting edge surface are coated with micro-nano composite coating, is improved The hardness of blade, while making point of a knife and cutting edge that there is preferable high temperature oxidation resistance and wear-resisting property, improve blade Service life, connection bolt setting there are three, and blade by connection bolt and mounting groove be in detachable connection, improve knife The fastness that piece is connect with mounting groove, while it being also convenient for the new blade of dismounting and change, the arc-shaped shape of chip space, and chip space is interior Wall is processed by shot blasting, the waste material machined away is enable to be smoothly discharged, and avoiding being deposited in below blade influences the smooth of cutting face There are gaps for the junction of degree, blade and mounting groove, can absorb the chatter that blade is generated in cutting, avoid damage to The surface quality of workpiece makes workpiece surface smoothness reach processing request.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model Knife handle structure schematic diagram.

In figure: 1, knife bar, 2, cutter head, 3, mounting groove, 4, blade, 5, connection bolt, 6, point of a knife, 7, cutting edge, 8, chip removal Slot, 9, knife handle and 10, locating slot.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~2, a kind of hard alloy single-blade aluminium knife, including knife bar 1, cutter head 2, mounting groove 3, blade 4, company Connecting bolt 5, point of a knife 6, cutting edge 7, chip space 8, knife handle 9 and locating slot 10；The knife bar 1, cutter head 2 and knife handle 9 constitute the aluminium With the main structure of knife, the front end of knife bar 1 is arranged in the cutter head 2, and mounting groove 3 is offered on the cutter head 2, the installation Slot 3 is located at the top of cutter head 2, and the blade 4 is attached with cutter head 2, and the blade 4 is placed on peace by the connection card of bolt 5 In tankage 3, point of a knife 6 and cutting edge 7 are provided on the blade 4, and the point of a knife 6 is located at the top of blade 4, the point of a knife 6 It is provided with the side of blade 4, the chip space 8 is provided on cutter head 2, and the chip space 8 is located at the bottom of blade 4, described The tail end of knife bar 1 is arranged in knife handle 9, and locating slot 10 is provided on the knife handle 9.

The tapered shape of the cutter head 2, and the outer wall of cutter head 2 is processed by shot blasting, is cut or is drilled convenient for cutter head 2, Reaming reprocessing can also be carried out to existing hole simultaneously, the blade 4 of cemented carbide material by being made, and blade 4 Point of a knife 6 and 7 surface of cutting edge are coated with micro-nano composite coating, improve the hardness of blade 4, while have point of a knife 6 and cutting edge 7 There are preferable high temperature oxidation resistance and wear-resisting property, improve the service life of blade 4, the connection bolt 5 is provided with three It is a, and blade 4 is in detachable connection by connection bolt 5 and mounting groove 3, raising blade 4 connect secured with mounting groove 3 Property, while it being also convenient for the new blade 4 of dismounting and change, the arc-shaped shape of the chip space 8, and the inner wall of chip space 8 carries out at polishing Reason, enables the waste material machined away to be smoothly discharged, and avoids being deposited in the smoothness that cutting face is influenced below blade 4, the blade 4 There are gaps with the junction of mounting groove 3, can absorb the chatter that blade 4 is generated in cutting, avoid damage to workpiece Surface quality, so that workpiece surface smoothness is reached processing request.

Working principle: when using the hard alloy single-blade aluminium knife, on attachment base that knife handle 9 is assigned again to lathe, and Knife handle 9 is fixed by the locating slot 10 on knife handle 9, then blade 4 and mounting groove 3 are fixed by connecting bolt 5 Connection, rotates the single-blade aluminium knife, carries out machining by the point of a knife 6 and cutting edge 7 of blade 4, the waste material warp machined away It is discharged by chip space 8.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (6)

1. a kind of hard alloy single-blade aluminium knife, it is characterised in that: including knife bar (1), cutter head (2), mounting groove (3), blade (4), bolt (5), point of a knife (6), cutting edge (7), chip space (8), knife handle (9) and locating slot (10) are connected；The knife bar (1), Cutter head (2) and knife handle (9) constitute the main structure of the aluminium knife, and cutter head (2) setting is and described in the front end of knife bar (1) It is offered on cutter head (2) mounting groove (3), the mounting groove (3) is located at the top of cutter head (2), the blade (4) and cutter head (2) It is attached, and the blade (4) is placed in mounting groove (3) by connection bolt (5) card, is provided with knife on the blade (4) Sharp (6) and cutting edge (7), and the point of a knife (6) is located at the top of blade (4), the point of a knife (6) is provided with the side of blade (4) Side, the chip space (8) are provided on cutter head (2), and the chip space (8) is located at the bottom of blade (4), the knife handle (9) Tail end in knife bar (1) is set, and is provided with locating slot (10) on the knife handle (9).

2. a kind of hard alloy single-blade aluminium knife according to claim 1, it is characterised in that: the cutter head (2) is tapered Shape, and the outer wall of cutter head (2) is processed by shot blasting.

3. a kind of hard alloy single-blade aluminium knife according to claim 1, it is characterised in that: the blade (4) is to use Cemented carbide material is made, and the point of a knife (6) of blade (4) and cutting edge (7) surface are coated with micro-nano composite coating.

4. a kind of hard alloy single-blade aluminium knife according to claim 1, it is characterised in that: the connection bolt (5) sets There are three setting, and blade (4) is in detachable connection by connection bolt (5) and mounting groove (3), improves blade (4) and installation The fastness of slot (3) connection.

5. a kind of hard alloy single-blade aluminium knife according to claim 1, it is characterised in that: the chip space (8) is in arc Shape, and the inner wall of chip space (8) is processed by shot blasting.

6. a kind of hard alloy single-blade aluminium knife according to claim 1, it is characterised in that: the blade (4) and installation There are gaps for the junction of slot (3).