Tungsten steel hard alloy cutter easy to dissipate heat

Abstract

The utility model belongs to the technical field of machining cutters, and particularly relates to a tungsten steel hard alloy cutter easy to dissipate heat, which comprises a cutter holder, a plurality of blades distributed at equal intervals along the circumferential direction, a clamping rod fixed on the top surface of the cutter holder and a spoiler, the bottom surface of the cutter holder is provided with a mounting groove for mounting the blades, and the spoiler is arranged in the mounting groove. A first air hole communicated with the mounting groove is formed in the outer side face of the tool apron, and the spoiler comprises a mounting part fixedly connected with the outer wall of the tool apron. The bending part is integrally formed at the top end of the mounting part and inclines towards the blade; according to the cooling device, through the arrangement of the first air holes and the spoilers, in the high-speed rotation process of the tool apron, air can enter the first air holes and continuously take away heat of the blades, cooling liquid can be continuously thrown to the blades when impacting the bent parts, the cooling liquid is continuously in contact with the blades, and the heat dissipation efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machining tool, concretely relates to a tungsten hard alloy tool easy to radiate heat. BACKGROUND

[0002] Tungsten hard alloy tool is a tool with tungsten (hard alloy) as material, has a series of excellent performance such as high hardness, high wear resistance, good strength and toughness, heat resistance and corrosion resistance, and tungsten tool is especially suitable for high speed cutting and heavy cutting, can keep high hardness even in high temperature environment.

[0003] In actual processing, although tungsten tool has high high-temperature resistance, but long time works in high temperature state, will certainly influence processing performance, there is usually a cooling system on the machine tool, utilizes cooling system and sprays cooling liquid to tool and workpiece to carry out cooling, but because tool high-speed rotation has very high centrifugal force, leads to more cooling liquid to be thrown out, there is great waste and reduces cooling efficiency.

[0004] Search in prior art, the Chinese utility model patent with the authorization announcement number CN220902073U discloses "a tungsten hard alloy tool convenient to radiate heat", including the installation head, the bottom of the installation head is equipped with the tool holder, the bottom of the tool holder is equipped with the first clamping seat in four corners, the top of the first clamping seat is equipped with the second clamping seat, the inside of the first clamping seat and the second clamping seat is inserted with the connecting plug-in board, the outer end of the connecting plug-in board is fixedly connected with the blade holder, the outer side of the tool holder is fixedly connected with the flow baffle in the position corresponding to the blade holder.

[0005] The hard alloy tool in prior art including the above, although the cooling performance of traditional tool has certain promotion, but tool will throw out cooling liquid towards oblique upper side when high-speed rotation, therefore, the existence of heat dissipation through-hole and flow baffle is difficult to make cooling liquid to contact blade continuously, and the heat dissipation performance needs further improvement.

[0006] To solve the above problems, the utility model provides a tungsten hard alloy tool easy to radiate heat. UTILITY MODEL CONTENTS

[0007] To solve the above problems in prior art, the utility model provides a tungsten hard alloy tool easy to radiate heat, has the characteristics of convenient use and high heat dissipation efficiency.

[0008] To achieve the above object, the utility model provides the following technical scheme: a tungsten steel hard alloy cutter easy to radiate heat, including the knife seat, a plurality of equidistantly distributed blade along the circumferential direction and the clamping rod fixed to the top surface of the knife seat, the bottom surface of the knife seat is processed with the installation groove for installing the blade, still include the spoiler, the outside of the knife seat is processed with the one -way air hole with the installation groove is communicated, the spoiler includes:

[0009] The installation portion is fixedly connected to the outer wall of the knife seat.

[0010] The bending portion is integrally formed at the top end of the installation portion and is inclined towards the blade.

[0011] As a preferred technical scheme of the utility model, further include:

[0012] The reinforcing rib is equidistantly fixed on the spoiler.

[0013] As a preferred technical scheme of the utility model, the top surface of the knife seat is processed with the two -way air hole with the installation groove is communicated.

[0014] As a preferred technical scheme of the utility model, further include:

[0015] The metal heat conduction plate is the aluminum plate and is fixed to the inner wall of the installation groove, and the outer wall of the blade is attached to the inner wall of the metal heat conduction plate.

[0016] As a preferred technical scheme of the utility model, further include:

[0017] The blade is fixed in the installation groove by the one -way countersunk screw.

[0018] As a preferred technical scheme of the utility model, further include:

[0019] The positioning plug rod is fixed to one end of the blade, and the positioning groove is processed on the knife seat for embedding the positioning plug rod.

[0020] As a preferred technical scheme of the utility model, the clamping rod is detachably fixed to the top surface of the knife seat.

[0021] As a preferred technical scheme of the utility model, further include:

[0022] The fixed flange is fixed to the bottom end of the clamping rod.

[0023] The second countersunk head screw is connected to the tool holder by screwing after penetrating the fixing flange.

[0024] Compared with the prior art, the utility model has the beneficial effects that:

[0025] In the utility model, the air enters the first air hole and continuously takes away the heat of the blade during the high-speed rotation of the tool holder, the cooling liquid is continuously splashed to the blade when impacting the bent part, the cooling liquid continuously contacts the blade, and the heat dissipation efficiency is greatly improved.

[0026] The other additional advantages and beneficial effects of the utility model will be partially given in the following description, some will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0027] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0028] Figure 1 It is a structural schematic diagram of the utility model;

[0029] Figure 2 It is a local section structure schematic diagram of the tool holder in the utility model;

[0030] Figure 3 It is an axonometric structure schematic diagram of the tool holder in the utility model;

[0031] Figure 4 It is an axonometric structure schematic diagram of the spoiler in the utility model.

[0032] In the drawings: 1, tool holder; 11, mounting groove; 12, first air hole; 13, second air hole; 14, positioning groove; 2, blade; 21, positioning plug; 3, clamping rod; 31, fixing flange; 4, spoiler; 41, mounting part; 42, bent part; 43, reinforcing rib; 5, first countersunk head screw; 6, second countersunk head screw; 7, metal heat conduction plate. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] Please refer to Figures 1-4 The utility model provides the following technical scheme: a tungsten steel hard alloy cutter easy to radiate heat, including the knife seat 1, a plurality of equidistantly distributed blade 2 along the circumferential direction and the clamping rod 3 fixed on the top surface of the knife seat 1, the bottom surface of the knife seat 1 is processed with the installation groove 11 for installing the blade 2, still including spoiler 4, the outside of the knife seat 1 is processed with the air hole 12 of one-way communication with the installation groove 11, spoiler 4 includes: installation part 41 and bending part 42.

[0035] Further, as shown in Figure 1 、 Figure 3 and Figure 4 , in the embodiment, the installation part 41 is fixedly connected to the outer wall of the knife seat 1, and the bending part 42 is integrally formed at the top end of the installation part 41 and inclined towards the blade 2. After using the above-mentioned scheme, the blade 2 is fixed in the installation groove 11, the clamping rod 3 is fixedly connected to the output shaft of the machine tool, and the cutter rotates at high speed to cut the workpiece during work. The utility model is provided with the air hole 12 of one-way and the spoiler 4. During high-speed rotation of the knife seat 1, air enters the air hole 12 of one-way and continuously carries away the heat of the blade 2. When the cooling liquid hits the bending part 42, it is continuously thrown to the blade 2, so that the cooling liquid continuously contacts the blade 2, and the heat dissipation efficiency is greatly improved.

[0036] Preferably, as shown in Figure 1 、 Figure 3 and Figure 4 , in the embodiment, it further includes: a plurality of reinforcing ribs 43 are fixed on the spoiler 4 at equal intervals. After using the above-mentioned scheme, the structural strength of the spoiler 4 is further improved by the reinforcing ribs 43, so that the spoiler 4 is prevented from deforming.

[0037] It can be understood that, for the spoiler 4 of the utility model, aluminum alloy material is preferably used, which has a certain hardness, meets the daily work requirements, and has the advantages of light weight, corrosion resistance and good heat conductivity.

[0038] Preferably, as shown in Figures 1-3 , in the embodiment, the top surface of the knife seat 1 is processed with the air hole 13 of two-way communication with the installation groove 11. After using the above-mentioned scheme, the air hole 13 of two-way is provided to further ventilate and dissipate heat for the blade 2, improve the heat dissipation performance, and on the other hand, a small amount of cooling liquid enters the air hole 13 of two-way to dissipate heat for the blade 2.

[0039] Preferably, as shown in Figure 1 and Figure 2As shown, this embodiment also includes: a metal heat-conducting plate 7, which is an aluminum plate and fixed to the inner wall of the mounting groove 11. The outer wall of the blade 2 is attached to the inner wall of the metal heat-conducting plate 7. With the above solution, when in use, the metal heat-conducting plate 7 can absorb the heat of the blade 2 and conduct it to the blade holder 1. The heat is then quickly dissipated through the coolant, the first vent hole 12 and the second vent hole 13, resulting in high heat dissipation efficiency.

[0040] Optionally, by Figure 1 and Figure 2 As shown in this embodiment, it also includes: a countersunk screw 5, the blade 2 is fixed in the mounting groove 11 by the countersunk screw 5, which is convenient to install and has high stability.

[0041] Understandably, for the metal heat-conducting plate 7 of this utility model, the first countersunk screw 5 penetrates through the metal heat-conducting plate 7. After the first countersunk screw 5 is tightened, both the blade 2 and the metal heat-conducting plate 7 are fixed, and the blade 2 is in close contact with the metal heat-conducting plate 7, and the metal heat-conducting plate 7 is in close contact with the inner wall of the mounting groove 11.

[0042] Preferably, by Figures 1-3 As shown, this embodiment also includes: positioning rods 21, two positioning rods 21 are symmetrically fixed to one end of the blade 2, and a positioning groove 14 for the positioning rods 21 to be inserted is machined on the blade holder 1. With the above solution, when in use, the positioning rods 21 are inserted into the positioning groove 14 to position the installation position of the blade 2, and at the same time further improve the stability of the blade 2 installation.

[0043] Preferably, by Figure 1 As shown, in this embodiment, the clamping rod 3 is detachably fixed to the top surface of the tool holder 1, which is beneficial for replacing different clamping rods 3 according to actual installation needs.

[0044] Optionally, by Figure 1 As shown, this embodiment also includes: a fixing flange 31 and countersunk screws 6. The fixing flange 31 is fixed to the bottom end of the clamping rod 3. Multiple countersunk screws 6 are evenly distributed along the circumferential direction, and the countersunk screws 6 pass through the fixing flange 31 and are connected to the tool holder 1 by thread engagement. With the above scheme, the clamping rod 3 can be detached and installed using the fixing flange 31 and multiple countersunk screws 6. While ensuring the installation stability of the clamping rod 3, it is also convenient to disassemble the clamping rod 3, which is beneficial to replace different clamping rods 3 according to actual installation needs.

[0045] Components not described in detail in this article are existing technologies.

[0046] The working principle and use process of the utility model: the tungsten steel hard alloy cutter of the utility model, the blade 2 is tungsten steel, when using, the blade 2 is fixed in the installation groove 11 using a No. 1 countersunk screw 5, the clamping rod 3 is fixedly connected with the output shaft of the machine tool using the fixed flange 31 and multiple No. 2 countersunk screws 6, the cutter will rotate at high speed to cut the workpiece when working;

[0047] The utility model discloses a No. 1 air hole 12 and spoiler 4 are set up, the air will enter No. 1 air hole 12 and continuously take away the heat of blade 2 in the process of high -speed rotation of tool holder 1, and the cooling liquid will be continuously thrown to blade 2 when impacting the bending part 42, makes cooling liquid continuously contact blade 2, and the heat dissipation efficiency is greatly improved.

[0048] In addition, the clamping rod 3 is detachably installed using the fixed flange 31 and multiple No. 2 countersunk screws 6, which ensures the stability of the clamping rod 3 and facilitates the disassembly of the clamping rod 3, and is conducive to replacing different clamping rods 3 according to actual installation needs.

[0049] Finally, it should be noted that: the above only for the preferred embodiment of the utility model has been described, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A tungsten steel hard alloy cutter easy to dissipate heat, comprising a cutter base (1), a plurality of cutter blades (2) equally spaced in a circumferential direction and a clamping rod (3) fixed to the top surface of the cutter base (1), and a mounting groove (11) for mounting the cutter blade (2) is processed on the bottom surface of the cutter base (1), characterized in that, Also include spoiler (4), in the outer side of the tool holder (1) processing with the installation groove (11) is communicated with a air hole (12), the spoiler (4) includes: Mounting portion (41), the mounting portion (41) fixedly connected with the outer wall of the tool holder (1); Bent portion (42), the bent portion (42) is integrally formed at the top end of the mounting portion (41), and is inclined towards the blade (2).

2. A tungsten carbide tool bit according to claim 1, wherein: Also include: Reinforcing ribs (43), a plurality of reinforcing ribs (43) are fixed on the spoiler (4) at equal intervals.

3. The tungsten carbide tool of claim 1, wherein: The top surface of the tool holder (1) is processed with the installation groove (11) is communicated with the second air hole (13).

4. The tungsten carbide tool of claim 1, wherein: Also include: Metal heat conduction plate (7), the metal heat conduction plate (7) is aluminum plate and is fixed to the inner wall of the installation groove (11), and the outer wall of the blade (2) is attached to the inner wall of the metal heat conduction plate (7).

5. A tungsten carbide cutting tool with easy heat dissipation according to claim 1, characterized in that: Also include: A countersunk screw (5), the blade (2) is fixed in the installation groove (11) by a countersunk screw (5).

6. The tungsten carbide tool of claim 1, wherein: Also include: Positioning plug rod (21), two positioning plug rods (21) are fixed to one end of the blade (2) in a symmetrical manner, and a positioning groove (14) is formed on the tool holder (1) for embedding the positioning plug rod (21).

7. The tungsten carbide tool of claim 1 wherein: the tungsten carbide tool is easy to dissipate heat. The clamping rod (3) is detachably fixed to the top surface of the tool holder (1).

8. The tungsten carbide tool of claim 1, wherein: Also include: Fixed flange (31), the fixed flange (31) is fixed to the bottom end of the clamping rod (3); A plurality of No. 2 countersunk screws (6) are distributed at equal intervals in the circumferential direction, and the No. 2 countersunk screws (6) are connected to the tool holder (1) by screwing after penetrating the fixed flange (31).

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