CN215392731U

CN215392731U - Convenient radiating four-blade spherical milling cutter

Info

Publication number: CN215392731U
Application number: CN202121320362.0U
Authority: CN
Inventors: 黄国栋
Original assignee: Changzhou Feige Precision Cutting Tool Co ltd
Current assignee: Changzhou Feige Precision Cutting Tool Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-01-04
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a four-edge spherical milling cutter convenient for heat dissipation. The utility model has the beneficial effects that: the cooling ring is provided with a plurality of, be convenient for through the setting of multiunit cooling ring, effectively increase air area of contact, reach quick radiating purpose, the surface of tool bit is encircleed and is provided with many chip grooves, be convenient for clear up milling the sweeps, avoid the sweeps to pile up on the work piece surface, it is big to lead to milling the error, through setting up the centering, be convenient for when milling, can quick accurate location, the efficiency is milled in the improvement, through setting up the louvre, be convenient for through louvre and the continuous heat exchange of air, thereby take away the temperature of tool bit, realize the cooling purpose, can transmit and absorb the heat that milling cutter produced when the operation through heat-conducting plate and heat absorption filling material, conveniently dispel the heat to milling cutter, prevent that the heat from too high to cause the damage to milling cutter.

Description

Convenient radiating four-blade spherical milling cutter

Technical Field

The utility model relates to a four-edge spherical milling cutter, in particular to a four-edge spherical milling cutter convenient for heat dissipation, and belongs to the technical field of cutting tools.

Background

A milling cutter is a rotating tool for milling machining having one or more cutter teeth. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine, along with the progress of the society, the requirements of consumers on the appearance design of products are higher and higher, the good highlight processing effect becomes an important standard for measuring the appearance quality of the products, and the spherical milling cutter is widely applied.

However, the existing spherical milling cutter has large cutting area and very large heat generation amount, so that the cutting position needs to be cooled for protecting the cutting cutter and ensuring the quality of a machined surface, if the temperature is not timely reduced, the cutter is broken and the roughness of the machined surface is large, the machining effect is poor, the existing milling cutter has a single heat dissipation mode, and the heat dissipation efficiency is low.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above problems, and an object of the present invention is to provide a four-edged ball milling cutter which facilitates heat dissipation.

The utility model realizes the purpose through the following technical scheme: the utility model provides a convenient radiating spherical milling cutter of four-blade, includes cutter arbor, heat dissipation frame and tool bit, the fixed installation head that is provided with of one end of cutter arbor, and the pole body of cutter arbor is located the downside fixedly connected with heat dissipation frame of installation head, the fixed engaging lug that is provided with of lower extreme of cutter arbor is first, the upper surface both sides rigid coupling of engaging lug one has the nut, the downside of cutter arbor is provided with the tool bit, the upper end rigid coupling of tool bit has engaging lug two, pass through the fastening bolt rigid coupling between engaging lug two and the engaging lug one.

As a still further scheme of the utility model: the cutter arbor is located the fixed heat dissipation ring that is provided with of pole body outer wall between heat dissipation frame and engaging lug, the heat dissipation ring is provided with a plurality of.

As a still further scheme of the utility model: the surface of tool bit encircles and is provided with many chip grooves.

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

As a still further scheme of the utility model: the surface of the cutter head is provided with a plurality of heat dissipation holes in a penetrating mode.

As a still further scheme of the utility model: the heat dissipation frame comprises heat absorption filling material, heat-conducting plate and radiating groove, the inside of heat dissipation frame is provided with heat absorption filling material, one side fixed mounting of heat absorption filling material has the heat-conducting plate, and the heat-conducting plate contacts with the inner wall of heat dissipation frame, and is provided with a plurality of radiating grooves on the lateral wall of heat dissipation frame.

The utility model has the beneficial effects that: this kind of convenient radiating four-blade ball-shaped milling cutter reasonable in design, the heat dissipation ring is provided with a plurality of, be convenient for through the setting of multiunit heat dissipation ring, effectively increase air area of contact, reach quick radiating purpose, the surface of tool bit is encircleed and is provided with many chip grooves, be convenient for clear up milling sweeps, avoid the sweeps to pile up on the workpiece surface, it is big to lead to milling the error, through setting up the centering, be convenient for when milling, can quick accurate location, improve and mill efficiency, through setting up the louvre, be convenient for through louvre and the continuous heat exchange of air, thereby take away the temperature of tool bit, realize the cooling purpose, can transmit and absorb the heat that milling cutter produced when the operation through heat-conducting plate and heat absorption filling material, conveniently dispel the heat to milling cutter, prevent that the heat from too high to cause the damage to milling cutter.

Drawings

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

FIG. 2 is a schematic view of a milling cutter attachment of the present invention;

fig. 3 is a partial sectional structure diagram of the milling cutter of the present invention.

In the figure: 1. the heat dissipation structure comprises a cutter bar, 2, a heat dissipation frame, 3, an installation head, 4, a heat dissipation ring, 5, a first connecting lug, 6, a nut, 7, a cutter head, 8, a second connecting lug, 9, a fastening bolt, 10, a chip groove, 11, heat dissipation holes, 12, centering, 13, a heat absorption filling material, 14, a heat conduction plate and 15 and a heat dissipation groove.

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. 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.

Example one

Referring to fig. 1 to 3, a four-blade spherical milling cutter facilitating heat dissipation includes a cutter bar 1, a heat dissipation frame 2 and a cutter head 7, wherein an installation head 3 is fixedly disposed at one end of the cutter bar 1, a heat dissipation frame 2 is fixedly connected to a lower side of the installation head 2 on a rod body of the cutter bar 1, a first connection lug 5 is fixedly disposed at a lower end of the cutter bar 1, nuts 6 are fixedly connected to two sides of an upper surface of the first connection lug 5, the cutter head 7 is disposed at a lower side of the cutter bar 1, a second connection lug 8 is fixedly connected to an upper end of the cutter head 7, and the second connection lug 8 and the first connection lug 5 are fixedly connected through a fastening bolt 9.

Furthermore, in the embodiment of the utility model, the heat dissipation rings 4 are fixedly arranged on the outer wall of the rod body of the cutter bar 1 between the heat dissipation frame 2 and the first connecting lug 5, and the heat dissipation rings 4 are provided with a plurality of heat dissipation rings, so that the air contact area is effectively increased through the arrangement of a plurality of groups of heat dissipation rings 4, and the purpose of rapid heat dissipation is achieved.

Furthermore, in the embodiment of the utility model, the surface of the tool bit 7 is provided with a plurality of chip removal grooves 10 in a surrounding manner, so that milling scraps can be conveniently cleaned, and the problem that the milling error is large due to the fact that the scraps are accumulated on the surface of a workpiece is avoided.

Furthermore, in the embodiment of the utility model, the center of the lower end of the cutter head 7 is fixedly provided with the centering 12, so that the cutter head can be quickly and accurately positioned during milling, and the milling efficiency is improved.

Example two

Further, in the embodiment of the present invention, the surface of the cutter head 7 is provided with a plurality of heat dissipation holes 11, and the heat dissipation holes 11 continuously exchange heat with air, so as to take away the temperature of the cutter head 7, thereby achieving the purpose of cooling.

Further, in the embodiment of the present invention, the heat dissipation frame 2 is composed of a heat absorption filling material 13, a heat conduction plate 14 and heat dissipation grooves 15, the heat absorption filling material 13 is disposed inside the heat dissipation frame 2, the heat conduction plate 14 is fixedly mounted on one side of the heat absorption filling material 13, the heat conduction plate 14 contacts with the inner wall of the heat dissipation frame 2, and the plurality of heat dissipation grooves 15 are disposed on the side wall of the heat dissipation frame 2, so that heat generated during operation of the milling cutter can be transferred and absorbed through the heat conduction plate 14 and the heat absorption filling material 13, the milling cutter can be conveniently dissipated, and damage to the milling cutter due to overhigh heat can be prevented.

The working principle is as follows: when the four-edge ball milling cutter convenient for heat dissipation is used, the second connecting lug 8 is aligned with the first connecting lug 5, then the cutter bar 1 and the cutter head 7 are fixedly connected through the matching action between the nut 6 and the fastening bolt 9, when high temperature is generated on the cutter bar 1 in the using process, firstly through the arrangement of a plurality of groups of radiating rings 4, the contact area between the milling cutter and the air can be effectively increased to achieve the purpose of rapid heat dissipation, meanwhile, the heat absorption filling material 13 in the heat dissipation frame 2 absorbs the temperature of the cutter bar 1, then the temperature absorbed by the heat absorption filling material 13 is transferred to the heat conduction plate 14, and then the temperature is reduced through the heat dissipation groove 15, so as to prevent the milling cutter from being damaged due to overhigh heat, the surface of the cutter head 7 is penetrated by a plurality of heat dissipation holes 11, can be continuously heat exchanged with the air through the heat dissipation holes 11, thereby taking away the temperature of the cutter head 7 and realizing the cooling purpose.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. The utility model provides a convenient radiating four-blade ball milling cutter which characterized in that: including cutter arbor (1), heat dissipation frame (2) and tool bit (7), the fixed installation head (3) that is provided with in one end of cutter arbor (1), and the pole body of cutter arbor (1) is located downside fixedly connected with heat dissipation frame (2) of installation head (3), the fixed engaging lug (5) that is provided with of lower extreme of cutter arbor (1), the upper surface both sides rigid coupling of engaging lug (5) has nut (6), the downside of cutter arbor (1) is provided with tool bit (7), the upper end rigid coupling of tool bit (7) has engaging lug two (8), through fastening bolt (9) rigid coupling between engaging lug two (8) and engaging lug (5).

2. A four-edged ball milling cutter facilitating heat dissipation according to claim 1, wherein: the cutter arbor (1) is located the fixed heat dissipation ring (4) that is provided with of pole body outer wall between heat dissipation frame (2) and engaging lug (5), heat dissipation ring (4) are provided with a plurality of.

3. A four-edged ball milling cutter facilitating heat dissipation according to claim 1, wherein: the surface of the cutter head (7) is provided with a plurality of chip grooves (10) in a surrounding mode.

4. A four-edged ball milling cutter facilitating heat dissipation according to claim 1, wherein: the center of the lower end of the cutter head (7) is fixedly provided with a centering (12).

5. A four-edged ball milling cutter facilitating heat dissipation according to claim 1, wherein: the surface of the cutter head (7) is provided with a plurality of heat dissipation holes (11) in a penetrating mode.

6. A four-edged ball milling cutter facilitating heat dissipation according to claim 1, wherein: the heat dissipation frame (2) comprises heat absorption filling material (13), heat-conducting plate (14) and radiating groove (15), the inside of heat dissipation frame (2) is provided with heat absorption filling material (13), one side fixed mounting of heat absorption filling material (13) has heat-conducting plate (14), and the inner wall contact of heat-conducting plate (14) and heat dissipation frame (2), and is provided with a plurality of radiating grooves (15) on the lateral wall of heat dissipation frame (2).