CN113478294A

CN113478294A - Cutter fixing device with heat dissipation function

Info

Publication number: CN113478294A
Application number: CN202110813772.7A
Authority: CN
Inventors: 张国庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-10-08

Abstract

The invention discloses a cutter fixing device with a heat dissipation function, and relates to the technical field of cutter fixing. The elastic compression device comprises a fixed base, wherein a supporting assembly is fixed on the top end face of the fixed base through a bolt, an elastic compression structure is arranged on the supporting assembly, and a fastening bolt rod which penetrates through the supporting assembly and the elastic compression structure and extends to the bottom of the elastic compression structure is connected to the supporting assembly through threads. The heat-absorbing component can directly transfer heat on the cutter to the heat-absorbing component, and the heat-absorbing component transfers the heat to cooling water in the fixed base; the fan of setting in supporting component inside can accelerate the air and discharge direct action on the cutter from the vent and dispel the heat to the cutter, further accelerates the heat dissipation to the cutter for this cutter fixing device has good ventilation radiating effect to the cutter, avoids the cutter to take place to burn the sword phenomenon because of the heat that the violent processing produced can not in time discharge, thereby improves the life of cutter.

Description

Cutter fixing device with heat dissipation function

Technical Field

The invention belongs to the technical field of cutter fixing, and particularly relates to a cutter fixing device with a heat dissipation function.

Background

In the machining process of mechanical parts, a cutting machine tool is usually used for cutting the parts, and a cutting tool on the machine tool is in direct contact with the parts and moves at a relatively high speed, so that when the parts are cut, the tool has a high temperature, and in order to ensure the service life of the cutting tool and the quality of the parts, the cutting tool is usually sprayed with cutting fluid for cooling, so that the tool is in a reasonable temperature range. However, when the rotating speed is too high and the machining process is too fast, the contact area between the cutter and the parts is small, the temperature is sharply increased, the sprayed cutting fluid is blocked and cannot be in contact with the cutter in time, and the cutter holder for fixing the cutter cannot well conduct the heat of the cutter, so that the cutter is easily burnt or the machined parts are damaged; the existing cutter fixing seat does not have good heat dissipation performance and poor heat conductivity to the cutter.

Disclosure of Invention

The invention aims to provide a cutter fixing device with a heat dissipation function, which is characterized in that a clamping structure for a cutter is arranged to directly contact with the cutter for cooling, so that the heat dissipation effect of the cutter during machining of parts by the cutter is improved, and the problems that the existing cutter fixing seat does not have good heat dissipation performance, the cutter is easy to damage and the service life of the cutter is short due to the fact that high temperature generated by the cutter cannot be dissipated quickly are solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a cutter fixing device with a heat dissipation function, which comprises a fixing base, wherein a supporting assembly is fixed on the top end surface of the fixing base through a bolt, an elastic compression structure is arranged on the supporting assembly, and a fastening bolt rod which penetrates through the supporting assembly and the elastic compression structure and extends to the bottom of the elastic compression structure is connected to the supporting assembly through a thread;

the supporting assembly comprises a supporting plate fixedly connected with the top end face of the fixed base, a sealing ring is fixed at the bottom of the supporting plate, a square supporting sleeve is fixed at the middle position of the top of the supporting plate, a fixed plate is fixed on the top end face of the square supporting sleeve, and a vent communicated with the square supporting sleeve is formed in the fixed plate;

the outer surface of the square support sleeve is provided with a heat dissipation channel communicated with the inner cavity of the square support sleeve;

a fan is fixed inside the square support sleeve through a bolt, and a protective cover matched with the ventilation opening is fixed at the top of the fixed plate;

a cooling water tank matched with the sealing ring is arranged in the fixing base, and a heat absorption assembly penetrating through the supporting plate and extending to the top of the supporting plate is arranged in the cooling water tank;

the heat absorption assembly comprises a heat absorption thin metal plate which is positioned at the top of the supporting plate and provided with a through hole matched with the square supporting sleeve, and a heat dissipation fin which penetrates through the supporting plate and the sealing ring and extends to the inside of the cooling water tank is fixed at the bottom of the heat absorption thin metal plate.

Furthermore, the four corners of the bottom of the fixed base are respectively fixed with a triangular supporting leg, and the bottom of the triangular supporting leg is fixed with a mounting plate with a mounting hole.

Furthermore, a threaded hole for being in threaded connection with the bolt is formed in the end face of the top of the fixing base, an annular auxiliary plate is fixed in the cooling water tank inside the fixing base, and a cooling water flow port communicated with the inner cavity of the cooling water tank is formed in the bottom of the annular auxiliary plate.

Further, the inside water pump that is fixed with of unable adjustment base, the end intercommunication that draws water of water pump has the drinking-water pipe that runs through unable adjustment base and communicate with the cooling trough inner chamber, the play water end of water pump runs through unable adjustment base bottom and is fixed with the outlet pipe, the water injection pipe that has and the cooling trough inner chamber intercommunication runs through in unable adjustment base bottom.

Furthermore, fin mounting grooves matched with the radiating fins are formed in the supporting plate and the sealing ring.

Furthermore, a guide rod hole matched with the elastic compression structure is formed in the fixing plate, and an internal thread hole matched with the fastening bolt rod is formed in the fixing plate.

Furthermore, the elastic compression structure comprises a pressing plate, a guide rod matched with the guide rod hole is fixed at the top of the pressing plate, a spring is sleeved on the guide rod and located between the top of the pressing plate and the bottom of the fixing plate, and an edge strip is fixed on the outer edge of the bottom of the pressing plate.

The invention has the following beneficial effects:

1. according to the invention, through the combined use of the fixed base, the supporting component, the fan, the heat absorption component, the water pump, the water pumping pipe, the water outlet pipe and the water injection pipe, when a cutter is fixed and processed to generate high temperature, the heat on the cutter can be directly transferred to the heat absorption component, the heat absorption component transfers the heat to cooling water in the fixed base, and the cooling water is circularly discharged and injected under the action of the water pump and the water injection pipe; and the fan arranged in the supporting component can accelerate the air to be discharged from the heat dissipation channel and directly act on the cutter to dissipate heat of the cutter, and further accelerate the heat dissipation of the cutter, so that the cutter fixing device has a good ventilation and heat dissipation effect on the cutter, the phenomenon that the cutter is burnt due to the fact that heat generated by severe processing cannot be timely discharged is avoided, and the service life of the cutter is prolonged.

2. According to the invention, through the combined use of the fixed base, the supporting component, the elastic pressing structure and the fastening bolt rod, when the cutter is fixed, the cutter can be clamped and positioned through the elastic pressing structure, then the cutter and the supporting component are fixed tightly by using the fastening bolt rod, so that the position accuracy of the cutter during clamping is ensured, and the cutter fixing device can be tightly connected with the cutter holder through the triangular supporting legs at the bottom of the fixed base.

3. According to the invention, the cooling water tank is arranged in the fixed base, and the annular auxiliary plate with the cooling water through hole is arranged in the cooling water tank, so that the structural strength of the base is improved, the water flows in the cooling water tank can mutually circulate, the heat exchange performance of the water flows is improved, and the heat absorption effect of the heat absorption component is further improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a tool fixing device with heat dissipation function according to the present invention;

FIG. 2 is a schematic view of the structure at the lower left view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a left side view of FIG. 1;

FIG. 6 is a schematic cross-sectional view taken along line B-B of FIG. 5;

FIG. 7 is a schematic structural view of the fixing base;

FIG. 8 is a schematic view of the structure at the lower left view angle of FIG. 7;

FIG. 9 is a schematic cross-sectional view of FIG. 8;

FIG. 10 is a schematic structural view of the support assembly;

FIG. 11 is a schematic view of the lower left view of FIG. 10;

FIG. 12 is a schematic cross-sectional view of FIG. 10;

FIG. 13 is a schematic structural view of a resilient compression structure;

FIG. 14 is a schematic view of a heat sink assembly;

fig. 15 is a schematic view of the left lower view angle of fig. 14.

In the drawings, the components represented by the respective reference numerals are listed below:

1-fixed base, 101-cooling water tank, 102-triangular support leg, 103-threaded hole, 104-annular auxiliary plate, 105-cooling water flow port, 2-bolt, 3-support component, 301-support plate, 302-sealing ring, 303-square support sleeve, 304-fixed plate, 305-ventilation opening, 306-heat dissipation channel, 307-protective cover, 308-fin installation groove, 309-guide rod hole, 310-internal threaded hole, 4-elastic pressing structure, 401-pressing plate, 402-guide rod, 403-spring, 404-edge strip, 5-fastening bolt rod, 6-fan, 7-heat absorption component, 701-through hole, 702-heat absorption thin metal plate, 703-heat dissipation fin, 8-water pump, 9-water pumping pipe, 10-water outlet pipe and 11-water injection pipe.

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.

Referring to fig. 1-15, the present invention is a cutter fixing device with heat dissipation function, including a fixing base 1, three-angle support legs 102 are fixed at four corners of the bottom of the fixing base 1, a mounting plate with mounting holes is fixed at the bottom of the three-angle support legs 102, a threaded hole 103 for threaded connection with a bolt 2 is formed on the top end surface of the fixing base 1, an annular auxiliary plate 104 is fixed in a cooling water tank 101 inside the fixing base 1, a cooling water flow port 105 communicated with the inner cavity of the cooling water tank 101 is formed at the bottom of the annular auxiliary plate 104, a water pump 8 is fixed inside the fixing base 1, a water pumping end of the water pump 8 is communicated with a water pumping pipe 9 penetrating through the fixing base 1 and communicated with the inner cavity of the cooling water tank 101, a water outlet end of the water pump 8 penetrates through the bottom of the fixing base 1 and is fixed with a water outlet pipe 10, a water injection pipe 11 communicated with the inner cavity of the cooling water tank 101 is penetrated through the bottom of the fixing base 1, the top end face of the fixed base 1 is fixed with a supporting component 3 through a bolt 2, an elastic compression structure 4 is arranged on the supporting component 3, and a fastening bolt rod 5 which penetrates through the supporting component 3 and the elastic compression structure 4 and extends to the bottom of the elastic compression structure 4 is connected to the supporting component 3 through threads.

The supporting component 3 comprises a supporting plate 301 fixedly connected with the top end face of the fixed base 1, a sealing ring 302 is fixed at the bottom of the supporting plate 301, and fin mounting grooves 308 matched with the radiating fins 703 are formed in the supporting plate 301 and the sealing ring 302; a square support sleeve 303 is fixed in the middle of the top of the support plate 301, a fixing plate 304 is fixed on the top end face of the square support sleeve 303, a guide rod hole 309 matched with the elastic compression structure 4 is formed in the fixing plate 304, an internal thread hole 310 matched with the fastening bolt rod 5 is formed in the fixing plate 304, a vent 305 communicated with the square support sleeve 303 is formed in the fixing plate 304, the fan 6 can conveniently suck air, and meanwhile the sucked air can dissipate heat of the water pump 8 working for a long time;

the outer surface of the square support sleeve 303 is provided with a heat dissipation channel 306 communicated with the inner cavity of the square support sleeve 303, so that cooling air can directly act on the surface of the cutter, and the heat dissipation effect on the cutter is improved.

The fan 6 is fixed in the square support sleeve 303 through the bolt 2, and the protective cover 307 matched with the vent 305 is fixed at the top of the fixing plate 304, so that the sucked air can be filtered, and dust and impurities are prevented from directly entering, and the heat dissipation channel 306 is prevented from being blocked or polluting a cutter.

The fixing base 1 is internally provided with a cooling water tank 101 matched with the sealing ring 302, and the cooling water tank 101 is internally provided with a heat absorbing component 7 which penetrates through the supporting plate 301 and extends to the top of the supporting plate 301.

As shown in fig. 14 and 15, the heat absorbing assembly 7 includes a heat absorbing thin metal plate 702 located on the top of the supporting plate 301 and having a through hole 701 matching with the square supporting sleeve 303, and a heat dissipating fin 703 penetrating through the supporting plate 301 and the sealing ring 302 and extending into the cooling water tank 101 is fixed at the bottom of the heat absorbing thin metal plate 702, so as to increase the contact area with the cooling water and improve the heat conduction efficiency on the cutting tool.

As shown in fig. 13, the elastic pressing structure 4 includes a pressing plate 401, a guide rod 402 which is matched with the guide rod hole 309 is fixed on the top of the pressing plate 401, a spring 403 is sleeved on the guide rod 402 and between the top of the pressing plate 401 and the bottom of the fixing plate 304, and an edge strip 404 is fixed on the outer edge of the bottom of the pressing plate 401, so that a cutter which needs to be clamped can be firstly limited, adjustment during clamping is facilitated, and accuracy during clamping of the cutter is improved.

One specific application of this embodiment is: when the tool is used, the tool is pre-pressed through the elastic pressing structure 4, the tool is not fixed at the moment, after the position and the extension length of the tool are adjusted, the fastening bolt rods 5 are rotated, and the tool is fixed through the two fastening bolt rods 5; the heat conduction that the cutter cutting produced to heat absorption subassembly 7, heat absorption subassembly 7 with heat transfer to the inside cooling water of cooling trough 101 in, the hot water that the water pump 8 will become the heat is taken out, the cooling water circulation input after the water injection pipe 11 will cool off to this in-process fan 6 work will accelerate the velocity of flow of outside air again, makes the air dispel the heat to the cutter by heat dissipation channel 306 discharge, further improves the radiating effect of cutter.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a cutter fixing device with heat dissipation function, includes unable adjustment base (1), its characterized in that:

a supporting assembly (3) is fixed on the top end face of the fixed base (1) through a bolt (2), an elastic pressing structure (4) is arranged on the supporting assembly (3), and a fastening bolt rod (5) which penetrates through the supporting assembly (3) and the elastic pressing structure (4) and extends to the bottom of the elastic pressing structure (4) is connected to the supporting assembly (3) in a threaded manner;

the supporting component (3) comprises a supporting plate (301) fixedly connected with the top end face of the fixed base (1), a sealing ring (302) is fixed at the bottom of the supporting plate (301), a square supporting sleeve (303) is fixed at the middle position of the top of the supporting plate (301), a fixed plate (304) is fixed on the top end face of the square supporting sleeve (303), and a ventilation opening (305) communicated with the square supporting sleeve (303) is formed in the fixed plate (304);

the outer surface of the square support sleeve (303) is provided with a heat dissipation channel (306) communicated with the inner cavity of the square support sleeve (303);

a fan (6) is fixed inside the square support sleeve (303) through a bolt (2), and a protective cover (307) matched with the ventilation opening (305) is fixed at the top of the fixed plate (304);

a cooling water tank (101) matched with the sealing ring (302) is arranged in the fixing base (1), and a heat absorption assembly (7) penetrating through the supporting plate (301) and extending to the top of the supporting plate (301) is arranged in the cooling water tank (101);

the heat absorption assembly (7) comprises a heat absorption thin metal plate (702) which is positioned at the top of the support plate (301) and is provided with a through hole (701) matched with the square support sleeve (303), and heat dissipation fins (703) which penetrate through the support plate (301) and the sealing ring (302) and extend to the inside of the cooling water tank (101) are fixed at the bottom of the heat absorption thin metal plate (702).

2. The cutter fixing device with the heat dissipation function as recited in claim 1, wherein triangular support legs (102) are fixed at four corners of the bottom of the fixing base (1), and a mounting plate with mounting holes is fixed at the bottom of each triangular support leg (102).

3. The cutter fixing device with the heat dissipation function as recited in claim 1, wherein a top end surface of the fixing base (1) is provided with a threaded hole (103) for being in threaded connection with the bolt (2), an annular auxiliary plate (104) is fixed in the cooling water tank (101) inside the fixing base (1), and a cooling water through hole (105) communicated with an inner cavity of the cooling water tank (101) is formed at the bottom of the annular auxiliary plate (104).

4. The cutter fixing device with the heat dissipation function as recited in claim 1, wherein a water pump (8) is fixed inside the fixing base (1), a water pumping pipe (9) penetrating the fixing base (1) and communicating with the inner cavity of the cooling water tank (101) is communicated with a water pumping end of the water pump (8), a water outlet pipe (10) is fixed on the water outlet end of the water pump (8) penetrating the bottom of the fixing base (1), and a water injection pipe (11) communicating with the inner cavity of the cooling water tank (101) is penetrated through the bottom of the fixing base (1).

5. The cutter fixing device with the heat dissipation function as recited in claim 1, wherein the support plate (301) and the sealing ring (302) are respectively provided with a fin mounting groove (308) matched with the heat dissipation fin (703).

6. The heat-dissipating tool fixing device of claim 1, wherein the fixing plate (304) is provided with a guide rod hole (309) engaged with the elastic pressing structure (4), and the fixing plate (304) is provided with an internal threaded hole (310) engaged with the fastening bolt rod (5).

7. The cutter fixing device with the heat dissipation function according to claim 6, wherein the elastic pressing structure (4) comprises a pressing plate (401), a guide rod (402) matched with the guide rod hole (309) is fixed at the top of the pressing plate (401), a spring (403) is sleeved on the guide rod (402) and located between the top of the pressing plate (401) and the bottom of the fixing plate (304), and a side strip (404) is fixed at the outer edge of the bottom of the pressing plate (401).