CN217223757U

CN217223757U - Numerical control cutter with high-hardness low-friction nano coating

Info

Publication number: CN217223757U
Application number: CN202122959204.6U
Authority: CN
Inventors: 恽静毅; 赵国庆
Original assignee: Changzhou Meiju Tool Technology Co ltd
Current assignee: Changzhou Meiju Tool Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-08-19
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a numerical control cutter with high rigidity low friction nanometer coating, including cutter arbor and tool bit. The beneficial effects of the utility model are that: in the utility model, the cutter bar and the cutter head are connected through the matching of the first connecting lug, the second connecting lug and the fastening bolt, which is convenient for disassembly and assembly and provides convenience for later replacement, and in the connecting process, the movable block is pressed through the limiting block so as to extrude the compression spring, and the connection between the cutter bar and the cutter head can be more fastened by utilizing the elasticity of the compression spring; the utility model discloses a set up the chip groove, can carry out timely clearance to the sweeps that mills the production, avoid the sweeps and pile up at the workpiece surface, cause the secondary to destroy to cutter and work piece, set up the louvre, can dispel the heat to the cutting edge, avoid the high temperature to destroy the structure of cutting edge, remaining heat carries out the separation through radiating fin moreover, can avoid high temperature to transmit on the cutter arbor shaft, causes the destruction to the cutter arbor.

Description

Numerical control cutter with high-hardness low-friction nano coating

Technical Field

The utility model relates to a milling cutter specifically is a numerical control cutter with high rigidity low friction nanometer coating, belongs to milling cutter technical field.

Background

A numerical control tool is a rotary tool used for milling and provided with one or more cutter teeth, and the allowance of a workpiece is cut off intermittently by each cutter tooth in sequence. The numerical control cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting off workpieces and the like on a milling machine.

However, the existing numerical control tool has some problems in use:

1) the cutter head and the cutter bar of the existing numerical control cutter are integrated, so that the cutter head cannot be detached, and when the cutter head is seriously abraded, the cutter head cannot be replaced in a targeted manner, so that unnecessary waste is caused;

2) the current numerical control cutter sweeps often piles up on the tool bit surface, influences and mills the accuracy, and the heat that produces in the time of milling can't dispel the heat moreover, leads to high temperature to pile up on the cutter surface, causes the destruction to it, reduces the life of this cutter.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a numerical control cutting tool with a high hardness and low friction nano-coating layer to solve the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: comprises that

The upper end of the cutter bar is fixedly provided with an installing head, and the numerical control cutter is conveniently connected with a machine tool through the installing head;

the cutter head is fixedly arranged at the lower end of the cutter bar, and cutting edges are fixedly arranged on two sides of the lower end of the cutter head.

As a further aspect of the present invention: the surfaces of the cutter bar and the cutter head are both provided with high-hardness low-friction nano coatings.

As a further aspect of the present invention: and the upper side rod body of the cutter head is sleeved with a radiating fin.

As the utility model discloses further scheme again: the center of the lower end of the cutter head is fixedly provided with a centering device.

As a further aspect of the present invention: the lower extreme of tool bit is located one side of centering and is provided with the chip breaker, the upside of chip breaker is provided with the chip groove, and the chip breaker is linked together with the chip groove.

As a further aspect of the present invention: the cutting edge is provided with a heat dissipation hole in a penetrating mode.

As a further aspect of the present invention: and the lower end of the second tool bit is fixedly provided with a centering device.

As a further aspect of the present invention: the lower end of the cutter bar is fixedly connected with a first connecting lug, fastening bolts are arranged on two sides of the first connecting lug, a second connecting lug is arranged at the upper end of the cutter head, and the cutter bar and the cutter head are connected through the first connecting lug, the second connecting lug and the fastening bolts in a matched mode.

As the utility model discloses further scheme again: the lower surface both sides rigid coupling of engaging lug one has the stopper, and the upper surface inboard of engaging lug two is provided with spacing hole, be provided with the spout on the both sides lateral wall in spacing hole, two equal sliding connection has the slider in the spout, two the rigid coupling has the movable block between the slider, the rigid coupling has compression spring between the lower extreme of movable block and the spacing hole.

The utility model has the advantages that:

1) in the utility model, the cutter bar and the cutter head are connected by the matching of the first connecting lug, the second connecting lug and the fastening bolt, which is convenient for disassembly and assembly and provides convenience for later replacement, and in the connecting process, the movable block is pressed by the limiting block to further extrude the compression spring, and the connection between the cutter bar and the cutter head can be more fastened by utilizing the elasticity of the compression spring;

2) the utility model discloses a set up the chip groove, can carry out timely clearance to the sweeps that mills the production, avoid the sweeps and pile up at workpiece surface, cause the secondary to destroy to cutter and work piece, set up the louvre, can dispel the heat to the cutting edge, avoid high temperature to destroy the structure of cutting edge, remaining heat carries out the separation through radiating fin moreover, can avoid high temperature to transmit on the cutter arbor shaft, causes the destruction to the cutter arbor.

Drawings

FIG. 1 is a schematic view of the overall structure of the numerical control cutting tool of the present invention;

FIG. 2 is a schematic view of the connection structure between the tool bit and the tool bar of the numerical control cutting tool of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a schematic view of the overlooking structure of the tool bit of the numerical control cutting tool of the utility model.

In the figure: 1. the cutter comprises a cutter bar, 2, an installing head, 3, a cutter head, 4, radiating fins, 5, a cutting edge, 6, radiating holes, 7, centering, 8, a chip breaking groove, 9, a chip removing groove, 10, a first connecting lug, 11, a second connecting lug, 12, a fastening bolt, 13, a limiting block, 14, a limiting hole, 15, a sliding groove, 16, a sliding block, 17, a movable block, 18 and a compression spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, a numerical control cutting tool with a high hardness and low friction nano-coating comprises

The upper end of the cutter bar 1 is fixedly provided with an installing head 2, and the numerical control cutter is conveniently connected with a machine tool through the installing head 2;

and the cutter head 3 is fixedly arranged at the lower end of the cutter bar 1, and cutting edges 5 are fixedly arranged on two sides of the lower end of the cutter head.

The embodiment of the utility model provides an in, the surface of cutter arbor 1 and tool bit 3 all is provided with high rigidity low friction nanometer coating, can improve the hardness and the smoothness of this numerical control cutter to improve the life of this cutter.

The embodiment of the utility model provides an in, the lower extreme rigid coupling of cutter arbor 1 has engaging lug 10, and the both sides of engaging lug 10 are provided with fastening bolt 12, the upper end of tool bit 3 is provided with engaging lug two 11, connect through the cooperation between engaging lug one 10, engaging lug two 11 and the fastening bolt 12 between cutter arbor 1 and the tool bit 3, the dismouting of being convenient for provides convenience for the later stage is changed.

The embodiment of the utility model provides an in, the lower surface both sides rigid coupling of engaging lug 10 has stopper 13, and the upper surface inboard of engaging lug two 11 is provided with spacing hole 14, be provided with spout 15, two on the both sides lateral wall of spacing hole 14 equal sliding connection has slider 16, two in the spout 15 the rigid coupling has movable block 17 between the slider 16, the rigid coupling has compression spring 18 between the lower extreme of movable block 17 and the spacing hole 14, supports through stopper 13 and presses movable block 17, and then extrudes compression spring 18, utilizes compression spring 18's elasticity, can make the connection between cutter arbor 1 and the tool bit 3 more fasten.

Example two

The embodiment of the utility model provides an in, the upside pole body of tool bit 3 has cup jointed radiating fin 4, can carry out the separation with the partial heat that the tool bit produced, avoids high temperature to transmit to 1 pole of cutter arbor on one's body, causes destruction to cutter arbor 1.

The embodiment of the utility model provides an in, one side that the lower extreme of tool bit 3 is located centering 7 is provided with chip breaker 8, chip breaker 8's upside is provided with chip breaker 9, and chip breaker 8 is linked together with chip breaker 9, can carry out timely clearance to the sweeps that mill the production, avoids the sweeps and piles up on the work piece surface, causes the secondary to destroy to cutter and work piece.

The embodiment of the utility model provides an in, run through on the cutting edge 5 and be provided with louvre 6, be convenient for dispel the heat to cutting edge 5, avoid high temperature to destroy the structure of cutting edge 5.

The working principle is as follows: when the numerical control cutter with the high-hardness low-friction nano coating is used, firstly, the milling cutter is assembled, the connection between the cutter bit 3 and the cutter bit 1 can be quickly realized by utilizing the matching action among the first connecting lug 10, the second connecting lug 11 and the fastening bolt 12, in the connection process, the limiting block 13 is pressed against the movable block 17 so as to extrude the compression spring 18, the connection between the cutter bit 1 and the cutter bit 3 can be more fastened by utilizing the elasticity of the compression spring 18, then, the numerical control cutter is connected with a machine tool through the mounting head 2, the milling work can be carried out, and in the use process, when the cutter bit 3 is seriously worn, the cutter bit 3 can be pertinently replaced; the sweeps that produce when milling passes through the cooperation between chip breaker 8 and the chip groove 9, can be timely clear up, the heat that

tool bit

3 and 5 surfaces of cutting edge produced can dispel the heat through louvre 6 and radiating fin 4, can reduce the high temperature and lead to the fact destruction to the cutter, and the surface of cutter arbor 1 and tool bit 3 all is provided with the low friction nanometer coating of high rigidity in addition, can improve the hardness and the smoothness of this numerical control cutter to improve the life of this cutter.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A numerical control cutter with a high-hardness low-friction nano coating is characterized by comprising

The upper end of the cutter bar (1) is fixedly provided with an installing head (2), and the numerical control cutter is conveniently connected with a machine tool by arranging the installing head (2);

and the cutter head (3) is fixedly arranged at the lower end of the cutter bar (1), and cutting edges (5) are fixedly arranged on two sides of the lower end of the cutter head.

2. The numerical control cutting tool with the high-hardness low-friction nano coating according to claim 1, characterized in that: the surfaces of the cutter bar (1) and the cutter head (3) are both provided with high-hardness low-friction nano coatings.

3. The numerical control cutting tool with the high-hardness low-friction nano coating according to claim 1, characterized in that: and the upper side rod body of the cutter head (3) is sleeved with a radiating fin (4).

4. The numerical control cutting tool with the high-hardness low-friction nano coating according to claim 1, characterized in that: the center of the lower end of the cutter head (3) is fixedly provided with a centering (7).

5. The numerical control cutting tool with the high-hardness low-friction nano coating according to claim 1, characterized in that: the lower extreme of tool bit (3) is located one side of centering (7) and is provided with chip breaker groove (8), the upside of chip breaker groove (8) is provided with chip groove (9), and chip breaker groove (8) are linked together with chip groove (9).

6. The numerical control cutting tool with the high-hardness low-friction nano coating according to claim 1, characterized in that: the cutting edge (5) is provided with a heat dissipation hole (6) in a penetrating mode.

7. The numerical control cutting tool with the high-hardness low-friction nano coating according to claim 1, characterized in that: the lower extreme rigid coupling of cutter arbor (1) has engaging lug (10), and the both sides of engaging lug (10) are provided with fastening bolt (12), the upper end of tool bit (3) is provided with engaging lug two (11), connect through the cooperation between engaging lug one (10), engaging lug two (11) and fastening bolt (12) between cutter arbor (1) and tool bit (3).

8. The numerical control cutting tool with the high-hardness low-friction nano coating according to claim 7, characterized in that: the lower surface both sides rigid coupling of engaging lug (10) has stopper (13), and the upper surface inboard of engaging lug two (11) is provided with spacing hole (14), be provided with spout (15) on the both sides lateral wall of spacing hole (14), two equal sliding connection has slider (16), two in spout (15) the rigid coupling has movable block (17) between slider (16), the rigid coupling has compression spring (18) between the lower extreme of movable block (17) and spacing hole (14).