CN218135243U

CN218135243U - Tungsten steel milling cutter that heat dispersion is good

Info

Publication number: CN218135243U
Application number: CN202221889963.8U
Authority: CN
Inventors: 蒋向荣
Original assignee: CHANGZHOU HENGDING TOOL MANUFACTURING CO LTD
Current assignee: CHANGZHOU HENGDING TOOL MANUFACTURING CO LTD
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-12-27
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a tungsten steel milling cutter that heat dispersion is good, including cutter arbor, tool bit and interior cold subassembly. The utility model has the advantages that: the cooling liquid is injected into the liquid inlet hole, so that the cooling liquid flows out through the liquid outlet hole II and the liquid outlet hole I respectively through the liquid inlet pipe II and the liquid inlet pipe I, the heat generated in the cutter head can be taken away, and meanwhile, the cooling liquid flowing out through the liquid outlet hole I is attached to the surface of the cutter head and can also play a certain role in heat dissipation; the surface of the cutter head is provided with the plurality of heat dissipation holes, so that the inner cooling component can be matched to dissipate heat generated by the cutter head during milling in time; through setting up movable post, spring, centre gripping groove and shifting chute, when being connected this milling cutter with the lathe, through installing the head centre gripping with the lathe at the centre gripping inslot, realize the connection of the two, utilize the spring action of spring simultaneously, can be so that be connected more firmly between lathe and the milling cutter, avoid taking place not hard up condition when using.

Description

Tungsten steel milling cutter that heat dispersion is good

Technical Field

The utility model relates to a tungsten steel milling cutter specifically is a tungsten steel milling cutter that heat dispersion is good, belongs to cutting tool technical field.

Background

A tungsten steel milling cutter is a cutter made of tungsten steel (hard alloy, also called tungsten titanium alloy). The method is mainly used for numerical control machining centers and CNC engraving machines generally. The tungsten steel milling cutter can also be arranged on a common milling machine to process a plurality of hard and uncomplicated heat treatment materials, and the tungsten steel milling cutter has wide application.

While some existing tungsten steel milling cutters often have the following defects when in use:

1) When the existing tungsten steel milling cutters are used, a large amount of heat generated by friction between a cutter head and a workpiece cannot be dissipated in time due to poor heat dissipation performance of the cutters, so that the service life of the cutter head is influenced;

2) When some existing tungsten steel milling cutters are used, the connection between the existing tungsten steel milling cutters and a machine tool is not firm enough, the cutter is easy to loosen, and milling efficiency is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tungsten steel milling cutter that heat dispersion is good just for solving above-mentioned at least one technical problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a tungsten steel milling cutter with good heat dissipation performance comprises

The cutter bar is arranged on the upper side of the tungsten steel milling cutter, a moving groove is fixedly formed in the center of the upper end of the cutter bar, and clamping grooves are symmetrically formed in the side walls of the two sides of the cutter bar;

the cutter head is fixedly welded at the lower end of the cutter rod, cutting edges are fixedly arranged on two sides of the lower end of the cutter head, and a milling part is arranged on the upper side of each cutting edge;

and the inner cooling component is arranged in the tool bit and comprises a first liquid outlet hole which is formed in the upper side of the tool bit in a penetrating way and a second liquid outlet hole which is formed in the lower side of the tool bit in a penetrating way.

As a further aspect of the present invention: a plurality of heat dissipation holes are formed in the surface of the cutter head.

As the utility model discloses further scheme again: the upper side of the first liquid outlet hole is communicated with a first liquid inlet pipe, one end, far away from the first liquid outlet hole, of the first liquid inlet pipe is communicated with a second liquid inlet pipe, the upper end of the second liquid inlet pipe is communicated with a liquid inlet hole formed in the side wall of one side of the cutter head, the lower end of the second liquid inlet pipe extends to the lower side of the cutter head and is communicated with the second liquid outlet hole, and the second liquid inlet pipe and the first liquid inlet pipe are all embedded in the cutter head.

As the utility model discloses further scheme again: the inside of the liquid inlet hole is embedded with a rubber sealing plug.

As the utility model discloses further scheme again: and a chip breaker groove is arranged between the cutting edges at the two sides of the lower end of the cutter head.

As a further aspect of the present invention: fixedly connected with spring on the interior diapire of shifting chute, and the upper end fixedly connected with activity post of spring, sliding connection between activity post and the shifting chute.

The utility model has the advantages that:

1) When the milling cutter is used, the cooling liquid is injected into the liquid inlet hole, so that the cooling liquid flows out through the liquid outlet hole II and the liquid outlet hole I respectively through the liquid inlet pipe II and the liquid inlet pipe I, the heat generated inside the cutter head can be taken away, and meanwhile, the cooling liquid flowing out through the liquid outlet hole I is attached to the surface of the cutter head and can also play a certain role in heat dissipation;

2) When the milling cutter of the utility model is used, the surface of the cutter head is provided with a plurality of heat dissipation holes, so that the cutter head can be matched with the inner cooling component to dissipate heat generated by the cutter head during milling in time;

2) The utility model discloses a set up movable post, spring, centre gripping groove and shifting chute, when being connected this milling cutter with the lathe, through with the first centre gripping of lathe installation at the centre gripping inslot, realize the two connection, utilize the spring action of spring simultaneously, can be so that the connection between lathe and the milling cutter is more firm, avoid taking place the not hard up condition when using.

Drawings

FIG. 1 is a schematic view of the tungsten steel milling cutter of the present invention;

FIG. 2 is a schematic view of the sectional structure of the tungsten steel milling cutter of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. the cutter bar, 2, the cutter head, 3, the cutting edge, 4, the milling part, 5, the heat dissipation holes, 6, the first liquid outlet holes, 7, the second liquid outlet holes, 8, the clamping groove, 9, the second liquid inlet pipes, 10, the first liquid inlet pipes, 11, the liquid inlet holes, 12, the rubber sealing plugs, 13, the chip breaking grooves, 14, the moving groove, 15, the spring, 16 and the movable column.

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

As shown in FIGS. 1 to 3, a tungsten steel milling cutter with good heat dissipation performance comprises

The cutter bar 1 is arranged on the upper side of the tungsten steel milling cutter, a moving groove 14 is fixedly formed in the center of the upper end of the cutter bar 1, and clamping grooves 8 are symmetrically formed in the side walls of two sides of the cutter bar;

the cutter head 2 is fixedly welded at the lower end of the cutter bar 1, blades 3 are fixedly arranged on two sides of the lower end of the cutter head, and a milling part 4 is arranged on the upper side of each blade 3;

interior cold subassembly, it sets up in the inside of tool bit 2, and it includes and runs through the play liquid hole 6 of seting up in tool bit 2 upside and run through the play liquid hole two 7 of seting up in tool bit 2 downside.

The embodiment of the utility model provides an in, a plurality of louvre 5 has been seted up on the surface of tool bit 2, can in time dispel the heat to tool bit 2 production of heat when milling.

The embodiment of the utility model provides an in, the upside intercommunication of liquid outlet hole one 6 is provided with feed liquor pipe one 10, the one end intercommunication that liquid outlet hole one 6 was kept away from to feed liquor pipe one 10 is provided with feed liquor pipe two 9, the upper end of feed liquor pipe two 9 is linked together with set up at the inside feed liquor hole 11 of tool bit 2 one side lateral wall, and its lower extreme extends to the downside of tool bit 2, and be linked together with liquid outlet hole two 7, feed liquor pipe two 9 and feed liquor pipe one 10 all scarf joint in the inside of tool bit 2, when using, through pouring into the coolant liquid into feed liquor hole 11, make the coolant liquid pass through feed liquor pipe two 9 and feed liquor pipe one 10, respectively through liquid outlet hole two 7 and a 6 outflow of liquid outlet hole, thereby can take away the heat of the inside production of tool bit 2, meanwhile, the coolant liquid that flows through a 6 outflow of liquid outlet hole adheres to the surface of tool bit 2, also can play certain radiating action.

The embodiment of the utility model provides an in, the inside scarf joint of feed liquor hole 11 has rubber sealing plug 12, can seal feed liquor hole 11 when not using, avoids external dust and mills the sweeps and block up feed liquor hole 11.

Example two

interior cold subassembly, it sets up in the inside of tool bit 2, and it includes and runs through the play liquid hole one 6 of seting up in 2 upside of tool bit and runs through the play liquid hole two 7 of seting up in 2 downside of tool bit.

The embodiment of the utility model provides an in, the lower extreme of tool bit 2 is located and is provided with chip breaker 13 between the both sides cutting edge 3, can cut off the sweeps that mill the production to conveniently clear up the sweeps.

The embodiment of the utility model provides an in, fixedly connected with spring 15 on the interior diapire of shifting chute 14, and spring 15's upper end fixedly connected with activity post 16, sliding connection between activity post 16 and the shifting chute 14 when being connected this milling cutter and lathe, through installing the head centre gripping of lathe in centre gripping groove 8, realize the connection of the two, utilize spring 15's spring action simultaneously, can be so that the connection between lathe and the milling cutter is more firm, avoid taking place the not hard up condition when using.

The working principle is as follows: when using this kind of tungsten steel milling cutter that heat dispersion is good, at first be connected this tungsten steel milling cutter with the lathe, with lathe installation head centre gripping in centre gripping groove 8, realize the connection of the two, utilize the spring action of spring 15 simultaneously, it tightly supports the lathe installation head to drive movable post 16, thereby make the connection between lathe and the milling cutter more firm, when milling, 2 surfaces of tool bit can produce the heat, can in time dispel the heat to tool bit 2 when milling through louvre 5 this moment, when 2 heats of tool bit are great, through pouring into the coolant liquid into feed liquor hole 11 this moment, make the coolant liquid pass through feed liquor pipe two 9 and feed liquor pipe one 10, respectively flow out through two 7 of drain holes and one 6 of drain holes, thereby can take away the heat that 2 insidely produced of tool bit, meanwhile, the coolant liquid that flows out through one 6 of drain holes adheres to 2 surfaces of tool bit, also can play certain radiating action, thereby improve high heat dispersion of milling, and then improve its life.

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 tungsten steel milling cutter with good heat dissipation performance is characterized by comprising

The cutter bar (1) is arranged on the upper side of the tungsten steel milling cutter, a moving groove (14) is fixedly formed in the center of the upper end of the cutter bar, and clamping grooves (8) are symmetrically formed in the side walls of two sides of the cutter bar;

the cutter head (2) is fixedly welded at the lower end of the cutter rod (1), cutting edges (3) are fixedly arranged on two sides of the lower end of the cutter head, and a milling part (4) is arranged on the upper side of each cutting edge (3);

interior cold subassembly, it sets up in the inside of tool bit (2), and it includes and runs through and sets up liquid outlet hole (6) in tool bit (2) upside and run through and set up liquid outlet hole two (7) in tool bit (2) downside.

2. The tungsten steel milling cutter with good heat dissipation performance according to claim 1, wherein: a plurality of heat dissipation holes (5) are formed in the surface of the cutter head (2).

3. The milling cutter for tungsten steel with good heat dissipation performance according to claim 1, wherein: the upside intercommunication of going out liquid hole one (6) is provided with feed liquor pipe one (10), the one end intercommunication of keeping away from liquid hole one (6) in feed liquor pipe one (10) is provided with feed liquor pipe two (9), the upper end of feed liquor pipe two (9) is linked together with offering in the inside feed liquor hole (11) of tool bit (2) one side lateral wall, and its lower extreme extends to the downside of tool bit (2) to be linked together with going out liquid hole two (7), feed liquor pipe two (9) and feed liquor pipe one (10) all scarf joint in the inside of tool bit (2).

4. The milling cutter for tungsten steel with good heat dissipation performance according to claim 3, wherein: the rubber sealing plug (12) is embedded in the liquid inlet hole (11), so that the liquid inlet hole (11) can be sealed when not used, and external dust and milling scraps are prevented from blocking the liquid inlet hole (11).

5. The milling cutter for tungsten steel with good heat dissipation performance according to claim 1, wherein: the lower end of the cutter head (2) is positioned between the cutting edges (3) at the two sides and is provided with a chip breaker groove (13).

6. The milling cutter for tungsten steel with good heat dissipation performance according to claim 1, wherein: fixedly connected with spring (15) on the interior diapire of shifting chute (14), and the upper end fixedly connected with activity post (16) of spring (15), sliding connection between activity post (16) and shifting chute (14).