CN215787005U

CN215787005U - High-speed high-smooth-surface wear-resistant milling cutter

Info

Publication number: CN215787005U
Application number: CN202022837568.2U
Authority: CN
Inventors: 张海刚
Original assignee: Changzhou Haichang Precision Tools Co ltd
Current assignee: Changzhou Haichang Precision Tools Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2022-02-11
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses a high-speed high-gloss wear-resistant milling cutter which comprises a cutter body and a cutter holder, wherein the cutter body is inserted on the cutter holder, the head end of the cutter body is provided with a plurality of high-gloss surface cutter heads, and the cutter holder and the cutter body are connected with a cooling mechanism; the utility model relates to the technical field of machining, and provides a high-speed high-gloss wear-resistant milling cutter, which adopts a high-gloss cutter edge to increase the shearing rate of the milling cutter, and is provided with a cooling mechanism which can spray water to cool the outside of a cutter head and cool the inner core of a cutter body in order to avoid high-temperature metal fatigue of the milling cutter in a high-speed operation state, so that the stability of the milling cutter in the high-speed operation state is increased, the high-temperature metal fatigue is avoided, the operation life of the milling cutter is prolonged, the structure is simple, and the installation is convenient.

Description

High-speed high-smooth-surface wear-resistant milling cutter

Technical Field

The utility model relates to the technical field of machining, in particular to a high-speed high-brightness wear-resistant milling cutter.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. 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 popularization of automation equipment, more and more automatic machine tools are applied to machining, in the application process of a milling cutter machine tool, the running speed of a milling cutter is higher in a high-speed state, the milling cutter running at a high speed is higher in the milling process, in the application process of the existing milling cutter, besides an alloy cutter head made of a high-structure-strength material, the running temperature of the cutter head is reduced in an external cooling mode, the metal structure at the position of the cutter head is guaranteed not to be soft, the condition that the cutter head is abraded too much due to the fatigue and softness of high-temperature metal is avoided, however, the cooling effect of the mode is limited, and the cooling effect on the position of an inner core of the cutter head is poorer.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a high-speed high-brightness wear-resistant milling cutter, which solves the problem of the prior art.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a high-speed high-gloss wear-resistant milling cutter comprises a cutter body and a cutter holder, wherein the cutter body is inserted into the cutter holder, a plurality of high-gloss cutter heads are arranged at the head end of the cutter body, and a cooling mechanism is connected onto the cutter holder and connected with the cutter body;

the cooling mechanism includes: the heat conduction device comprises a shell, a cylindrical slot, a heat conduction core, a fixing sleeve, a partition plate, a sealing ring and a water inlet hole;

the cutter comprises a cutter holder, a cutter body and a cutter body, wherein the end part of the cutter holder extends to form a cylindrical cavity structure, the tail end of the cutter body is inserted into the sleeve, a cylindrical slot is formed in the position of an inner shaft core of the cutter body, a heat conducting core is inserted into the cylindrical slot, the end part of the heat conducting core is connected with the inner wall of a cutter head at the front end of the cutter body, a fixing sleeve is wrapped outside the heat conducting core, the end part of the fixing sleeve is welded to the tail end of the cutter body, a separation plate is arranged in the sleeve, a jack is formed in the center of the separation plate, a sealing ring is embedded in the jack and sleeved on the heat conducting core, and a water inlet is formed in the inner bottom end of the sleeve and is communicated with the inner cavity of the separation plate and the sleeve.

Preferably, the shell is provided with a plurality of water outlets positioned on the outer ring of the partition plate, the water outlets are communicated with a plurality of water spray pipes, and the end parts of the water spray pipes are aligned with the plurality of tool bits.

Preferably, the casing is provided with a threaded seat, the threaded seat is connected with a fixing bolt in a threaded manner, and the outer wall of the cutter body is provided with a clamping groove matched with the fixing bolt.

Preferably, the cutter body end is provided with a pair of limiting grooves, and a pair of limiting blocks matched with the limiting grooves are symmetrically arranged on the inner wall of the casing.

Preferably, the fixing sleeve is a circular cylindrical body made of heat-insulating ceramic materials.

Preferably, the end part of the heat conducting core extends out of a plurality of heat conducting fins to be connected with the inner wall of the cutter body.

Advantageous effects

The utility model provides a high-speed high-gloss wear-resistant milling cutter. The method has the following beneficial effects: this wear-resisting milling cutter of high-speed high plain noodles adopts high plain noodles sword to increase milling cutter's shear rate, simultaneously in order to avoid milling cutter to produce high temperature metal fatigue under high-speed running state, set up and to have carried out the water spray cooling to the tool bit outside, can be to the cooling mechanism of cutter body inner core cooling again to increased milling cutter stability under high-speed running state, avoided high temperature metal fatigue, increased milling cutter's operation life, and simple structure, simple to operate.

Drawings

Fig. 1 is a schematic front view of a high-speed high-gloss wear-resistant milling cutter according to the present invention.

Fig. 2 is a schematic side view of the high-speed high-gloss wear-resistant milling cutter according to the present invention.

Fig. 3 is a schematic partial sectional structural view of a high-speed high-gloss wear-resistant milling cutter according to the present invention.

In the figure: 1. a cutter body; 2. a tool apron; 3. a housing; 4. a cylindrical slot; 5. a heat conducting core; 6. fixing a sleeve; 7. a partition plate; 8. a seal ring; 9. a water inlet hole; 10. a water outlet; 11. a water spray pipe; 12. Fixing the bolt; 13. a limiting block; 14. a heat conductive sheet.

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.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.

Example (b): according to the attached drawings 1-3 of the specification, the scheme is a high-speed high-gloss wear-resistant milling cutter, which comprises a cutter body 1 and a cutter seat 2, wherein the cutter body 1 is inserted into the cutter seat 2, a plurality of high-gloss surface cutter heads are arranged at the head end of the cutter body 1, and the cutter seat 2 is connected with the cutter body 1 and is connected with a cooling mechanism;

as can be seen from the accompanying FIGS. 1-3 of the specification, the cooling mechanism comprises: the heat-conducting water heater comprises a shell 3, a cylindrical slot 4, a heat-conducting core 5, a fixing sleeve 6, a partition plate 7, a sealing ring 8 and a water inlet hole 9, wherein the connection relation and the position relation are as follows;

a sleeve shell 3 of an integrally formed cylindrical cavity structure extends from the end part of the tool apron 2, the tail end of the tool body 1 is inserted into the sleeve shell 3, a cylindrical slot 4 is formed in the position of an inner core of the tool body 1, a heat conducting core 5 is inserted into the cylindrical slot 4, the end part of the heat conducting core 5 is connected with the inner wall of a tool bit at the front end of the tool body 1, a fixing sleeve 6 is wrapped outside the heat conducting core 5, the end part of the fixing sleeve 6 is welded on the tail end of the tool body 1, a separation plate 7 is arranged in the sleeve shell 3, an insertion hole is formed in the center of the separation plate 7, a sealing ring 8 is embedded in the insertion hole, the sealing ring 8 is sleeved on the heat conducting core 5, and a water inlet hole 9 is formed in the inner bottom end of the sleeve shell 3 and is communicated with the separation plate 7 and an inner cavity of the sleeve shell 3;

in the concrete implementation in-process, through the fixed cutter body 1 of the cylindricality cavity on cover shell 3, cylindricality slot 4 has been seted up in the cutter body 1, cylindricality slot 4 is used for fixed parcel heat conduction core 5, heat conduction core 5 outside is fixed through ceramic material's fixed cover 6, when making heat conduction core 5 be connected with the cylindricality slot 4 of cutter body 1, carry out the parcel protection to heat conduction core 5 when avoiding entering foreign matter in the cylindricality slot 4 produces, it is thermal-insulated to utilize ceramic material's fixed cover 6, avoid heat conduction to the end of cutter body 1, through can wandering to the low temperature side because heat conduction core 5's heat, therefore when inlet opening 9 leads to 3 inner bottom ends of cover shell, the pressure of production can press the cooling water to sealing ring 8 one side, sealing ring 8 on the jack plays sealed effect, and then cool down to the cutter body 1 inner core through cooling heat conduction core 5.

Preferably, a plurality of water outlets 10 are formed in the casing 3 and located on the outer ring of the partition plate 7, a plurality of water spraying pipes 11 are communicated with the water outlets, the end portions of the plurality of water spraying pipes 11 are aligned with the plurality of cutter heads, cooling water after cooling the heat conducting core 5 enters the water spraying pipes 11 from the water outlets 10 through high pressure, the cooling water is sprayed out of the water spraying pipes 11 to cool the cutter heads, and high-temperature metal fatigue is prevented from being generated at the cutting positions of the outer edges of the cutter heads.

Preferably, the casing 3 is provided with a screw seat, the screw seat is connected with a fixing bolt 12 through a screw thread, the outer wall of the cutter body 1 is provided with a clamping groove matched with the fixing bolt 12, and the end of the fixing bolt 12 is inserted into the clamping groove by adjusting the fixing bolt 12 so as to fix the cutter body 1.

As an optimized scheme, furthermore, the tail end of the cutter body 1 is provided with a pair of limiting grooves, the inner wall of the casing 3 matched with the limiting grooves is symmetrically provided with a pair of limiting blocks 13 matched with the limiting grooves, and the position of the cutter body 1 is limited by the limiting sleeves, so that the cutter body 1 is prevented from being inserted too deeply or too thousands of times.

Preferably, the fixing sleeve 6 is a cylindrical ring-shaped body made of heat-insulating ceramic material to prevent heat from being transferred to the end of the cutter body 1.

Preferably, a plurality of heat conducting fins 14 extend from the end of the heat conducting core 5 to connect with the inner wall of the cutter body 1, so as to increase the heat conducting area.

In summary, the high-speed high-gloss wear-resistant milling cutter adopts the high-gloss cutting edge to increase the shear rate of the milling cutter, and meanwhile, in order to avoid the milling cutter from generating high-temperature metal fatigue in a high-speed operation state, the cooling mechanism capable of spraying water to cool the outside of the cutter head and cooling the inner core of the cutter body 1 is arranged, so that the stability of the milling cutter in the high-speed operation state is increased, the high-temperature metal fatigue is avoided, the service life of the milling cutter is prolonged, the structure is simple, and the installation is convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-speed high-gloss-surface wear-resistant milling cutter comprises a cutter body (1) and a cutter holder (2), wherein the cutter body (1) is inserted into the cutter holder (2), and is characterized in that a plurality of high-gloss-surface cutter heads are arranged at the head end of the cutter body (1), and a cooling mechanism is connected to the cutter holder (2) and the cutter body (1);

the cooling mechanism includes: the heat-conducting sealing device comprises a shell (3), a cylindrical slot (4), a heat-conducting core (5), a fixing sleeve (6), a partition plate (7), a sealing ring (8) and a water inlet hole (9);

a sleeve shell (3) with an integrally formed cylindrical cavity structure extends out of the end part of the cutter holder (2), the tail end of the cutter body (1) is inserted into the casing (3), a cylindrical slot (4) is arranged at the position of an inner core of the cutter body (1), the heat conducting core (5) is inserted into the cylindrical slot (4), the end part of the heat conducting core (5) is connected with the inner wall of the front-end tool bit of the tool body (1), the heat conducting core (5) is wrapped by a fixing sleeve (6), the end part of the fixing sleeve (6) is welded on the tail end of the cutter body (1), a partition plate (7) is arranged in the shell (3), a jack is arranged at the center of the partition plate (7), a sealing ring (8) is embedded in the jack, the sealing ring (8) is sleeved on the heat conducting core (5), the bottom end of the shell (3) is provided with a water inlet hole (9) which is communicated with the inner cavity of the shell (3) and the partition board (7).

2. The milling cutter according to claim 1, wherein the casing (3) has a plurality of water outlets (10) on the outer circumference of the partition plate (7), a plurality of water spraying pipes (11) connected to the water outlets, and the ends of the water spraying pipes (11) are aligned with the plurality of cutter heads.

3. The milling cutter according to claim 1, wherein the housing (3) has a threaded seat, the threaded seat is threadedly connected with a fixing bolt (12), and the cutter body (1) has a slot on an outer wall thereof for accommodating the fixing bolt (12).

4. The milling cutter according to claim 1, wherein the cutter body (1) has a pair of limiting grooves formed at the end thereof, and a pair of limiting blocks (13) are symmetrically mounted on the inner wall of the housing (3) to match the pair of limiting grooves.

5. The milling cutter according to claim 1, wherein the fixing sleeve (6) is a cylindrical body of heat insulating ceramic material.

6. The milling cutter according to claim 1, wherein the heat conducting core (5) has a plurality of heat conducting fins (14) extending from the end thereof for connecting with the inner wall of the cutter body (1).