Modularized facing cutter

Abstract

The utility model belongs to the technical field of machining tools, and particularly relates to a modularized milling cutter disc which comprises a fixed disc body with a cavity, a T-shaped tool apron, a milling head, a fixed cover and a clamping rod, and further comprises an inner supporting mechanism, the reset spring is fixed between the inner bottom surface of the fixed disc body and the floating disc; a push rod; the top end of the turnover connecting arm is hinged to the floating disc, and the bottom end of the turnover connecting arm is hinged to the push rod; the guide sleeve is fixed on the inner bottom surface of the fixed disc body, and the push rod penetrates through the guide sleeve; according to the milling cutter, the T-shaped tool apron can be tightly supported from the inner side through the arranged inner supporting mechanism, the installation stability of the T-shaped tool apron can be greatly improved in cooperation with pressing of the fixing cover, the problem that the machining precision is affected by shaking generated in the working process is solved, the milling cutter disc is designed in a modularized mode, assembling and disassembling are convenient, and the machining efficiency is improved. And different accessories can be conveniently replaced to adapt to different working scenes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machining tool, concretely relates to a modular milling cutter. BACKGROUND

[0002] The milling cutter is a processing tool for milling process, mainly used on numerical control machine tool, and the metal material is removed by rotating the milling cutter, and the milling cutter is usually used for fine milling and is suitable for various materials and processing requirements.

[0003] The traditional integral milling cutter is troublesome to install and disassemble, therefore, the milling cutter is usually designed in a modular manner at present.

[0004] For example, in the prior art, the Chinese utility model patent with the authorization announcement number CN221473641U discloses "a modular three-flank milling cutter", which comprises a tool bit, one end of the tool bit is provided with a first insertion hole, the side wall forming the first insertion hole is provided with a fourth insertion hole, and the outer wall of the tool bit is further provided with a second insertion hole, and the second insertion hole is opposite to the fourth insertion hole; and a tool rod, one end of the tool rod is placed in the first insertion hole, and the tool rod is provided with a third insertion hole, and the tool rod can rotate by a predetermined angle.

[0005] Although the modular milling cutter in the prior art has the characteristics of easy assembly and disassembly, in actual use, because the milling cutter needs to rotate at high speed during work, and the workpiece will generate a very high reverse force on the milling cutter, it is difficult to ensure the stability of the milling cutter during work in the traditional way, and there is a risk of shaking.

[0006] To solve the above problems, the utility model provides a modular milling cutter. SUMMARY

[0007] To solve the above problems in the prior art, the utility model provides a modular milling cutter, which has the characteristics of convenient use and high stability.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a modular milling cutter, comprising a fixed disc body with a cavity, a plurality of T-shaped tool seats equally spaced and inserted in the circumferential direction of the fixed disc body, a milling cutter head fixed on the T-shaped tool seat, a fixed cover fixed on the top end of the fixed disc body by means of bolts, and a clamping rod fixed on the fixed cover, further comprising an inner support mechanism, and the inner support mechanism comprises:

[0009] A floating disc is movably placed in the cavity of the fixed disc body, and the initial height of the floating disc is higher than that of the fixed disc body.

[0010] Reset spring, the reset spring is fixed between the inner bottom surface of the fixed disc body and the floating disc;

[0011] Push rod, a plurality of the push rod is distributed along the circumferential direction, and is movably connected to the inner bottom surface of the fixed disc body, and the push rod is opposite to the T-shaped tool seat;

[0012] Turnover connecting arm, the top end of the turnover connecting arm is hinged with the floating disc, and the bottom end is hinged with the push rod;

[0013] Guide sleeve, the guide sleeve is fixed to the inner bottom surface of the fixed disc body, and the push rod penetrates the guide sleeve.

[0014] As a preferred technical scheme of the utility model, the inner support mechanism further comprises:

[0015] Rubber block, the rubber block is fixed to one end of the push rod close to the T-shaped tool seat.

[0016] As a preferred technical scheme of the utility model, the push rod is a square rod, has a square hole for the push rod to penetrate on the guide sleeve, and the outer wall of the push rod abuts the inner wall of the square hole.

[0017] As a preferred technical scheme of the utility model, the fixed disc body has an insertion slot for the T-shaped tool seat to be embedded.

[0018] As a preferred technical scheme of the utility model, when the T-shaped tool seat is embedded in the insertion slot, the outer wall of the T-shaped tool seat abuts the inner wall of the insertion slot, and the top end of the T-shaped tool seat is flush with the top surface of the fixed disc body.

[0019] As a preferred technical scheme of the utility model, further comprising:

[0020] Countersunk screw, the T-shaped tool seat has a mounting slot for mounting the milling cutter head, and the milling cutter head is fixed in the mounting slot by the countersunk screw.

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

[0022] Rubber lining, the rubber lining is adhesively fixed in the mounting slot.

[0023] As a preferred technical scheme of the utility model, further comprising:

[0024] Fixed flange, the fixed flange is fixed to the bottom end of the clamping rod, and the fixed flange is fixedly connected with the fixed cover by bolts.

[0025] Compared with the prior art, the utility model has the beneficial effects that:

[0026] The inner supporting mechanism can tightly support the T-shaped tool seat from the inner side, and the stability of the T-shaped tool seat installation can be greatly improved by cooperating with the compression of the fixed cover, the problem of affecting the machining precision caused by shaking during work is avoided, and the milling cutter head adopts modular design, which is convenient for assembly and disassembly, and is conducive to replacing different accessories to adapt to different working scenes.

[0027] The other additional advantages and beneficial effects of the utility model will be partially given in the following description, and some will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0028] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0029] Figure 1 It is the structural schematic diagram of the utility model;

[0030] Figure 2 It is the fixed disc body axonometric structure schematic diagram in the utility model;

[0031] Figure 3 It is the T-shaped tool seat axonometric structure schematic diagram in the utility model.

[0032] In the drawing: 1, fixed disc body;11, plug-in slot;2, T-shaped tool seat;21, installation slot;3, milling cutter head;4, fixed cover;5, clamping rod;51, fixed flange;6, inner supporting mechanism;61, floating disc;62, return spring;63, push rod;64, rubber block;65, turnover connecting arm;66, guide sleeve;7, countersunk screw;8, rubber lining. DETAILED DESCRIPTION

[0033] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiments of the utility model, obviously, the described embodiments are only a 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 the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0034] Please refer to Figures 1-3The utility model provides following technical scheme: A kind of modular milling cutter, including fixed disc body 1 with cavity, multiple T-shaped tool seat 2 being inserted in fixed disc body 1 on circumference direction interval, milling cutter head 3 being fixed on T-shaped tool seat 2, fixed cover 4 being fixed in the top of fixed disc body 1 with bolt and clamping rod 5 being fixed on fixed cover 4, further include inner support mechanism 6, and inner support mechanism 6 includes: floating disc 61, reset spring 62, push rod 63, overturning connecting arm 65 and guide sleeve 66.

[0035] Further, as shown in Figure 1 And Figure 2 In the embodiment, floating disc 61 is movably placed in the cavity of fixed disc body 1, and the initial height of floating disc 61 is higher than fixed disc body 1, reset spring 62 is fixed between the inner bottom surface of fixed disc body 1 and floating disc 61, multiple push rods 63 are distributed in the circumference direction interval, and are movably connected to the inner bottom surface of fixed disc body 1, and push rod 63 is opposite to T-shaped tool seat 2, the top end of overturning connecting arm 65 is hinged to floating disc 61, the bottom end is hinged to push rod 63, guide sleeve 66 is fixed to the inner bottom surface of fixed disc body 1, and push rod 63 penetrates guide sleeve 66. After using the above scheme, when assembling the modular milling cutter, first fix the milling cutter head 3 on the T-shaped tool seat 2, then insert the T-shaped tool seat 2 on the fixed disc body 1, and finally fix the fixed cover 4 on the top of the fixed disc body 1 with bolts. After the fixed cover 4 is fixed, the fixed cover 4 will press down the floating disc 61, push rod 63 will be pushed and moved by overturning connecting arm 65, and reset spring 62 will be squeezed, so that reset spring 62 is contracted. Push rod 63 is tightly supported from the inside of T-shaped tool seat 2, and cooperates with the compression of fixed cover 4, which can greatly improve the stability of T-shaped tool seat 2 installation, avoid the problem of affecting the machining precision caused by shaking during work, and the milling cutter adopts modular design, which is convenient for assembly and disassembly, and is conducive to replacing different accessories to adapt to different working scenes. When disassembly is needed, first unscrew the bolts of the fixed cover 4, at this time the reset spring 62 releases the elastic force, the floating disc 61 moves up and resets, and at the same time the push rod 63 is pulled and moved by the overturning connecting arm 65, so that the push rod 63 moves away from the T-shaped tool seat 2, and then the T-shaped tool seat 2 can be directly pulled out to realize disassembly.

[0036] Preferably, as shown in Figure 1 And Figure 2 In the embodiment, inner support mechanism 6 further includes: rubber block 64, rubber block 64 is fixed to one end of push rod 63 close to T-shaped tool seat 2. After using the above scheme, in use, rubber block 64 has flexibility and can be appropriately contracted, on the one hand, it can ensure that push rod 63 can reliably support T-shaped tool seat 2 from the inside after the fixed cover 4 is fixed, on the other hand, rubber block 64 has a certain buffer shock resistance function, which can weaken the shaking of T-shaped tool seat 2 during work.

[0037] Preferably, as shown in Figure 1 and Figure 2 In this embodiment, the push rod 63 is a square rod, and has a square hole on the guide sleeve 66 for the push rod 63 to pass through, and the outer wall of the push rod 63 abuts the inner wall of the square hole. After the above scheme is adopted, the rotation of the push rod 63 during work can be effectively avoided during use, and the stability is further improved.

[0038] Optionally, as shown in Figure 1 and Figure 2 In this embodiment, the fixed disc body 1 has a plug-in slot 11 for embedding the T-shaped tool holder 2, which is used to position the installation position of the T-shaped tool holder 2.

[0039] Preferably, as shown in Figure 1 and Figure 2 In this embodiment, when the T-shaped tool holder 2 is embedded in the plug-in slot 11, the outer wall of the T-shaped tool holder 2 abuts the inner wall of the plug-in slot 11, and the top end of the T-shaped tool holder 2 is flush with the top surface of the fixed disc body 1. The above design can further improve the stability of the installation of the T-shaped tool holder 2 and weaken the shaking of the T-shaped tool holder 2 during work.

[0040] Preferably, as shown in Figures 1-3 In this embodiment, it further includes a countersunk screw 7, and the T-shaped tool holder 2 has a mounting slot 21 for mounting the milling cutter head 3. The milling cutter head 3 is fixed in the mounting slot 21 by the countersunk screw 7. After the above scheme is adopted, during use, the milling cutter head 3 is first placed in the mounting slot 21 to position the installation position of the milling cutter head 3, and then the countersunk screw 7 is tightened to realize the stable installation of the milling cutter head 3. On the premise of ensuring the stable installation of the milling cutter head 3, it is also convenient to individually disassemble and replace the severely worn milling cutter head 3, thereby improving the convenience of use.

[0041] Preferably, as shown in Figures 1-3 In this embodiment, it further includes a rubber lining 8, which is adhesively fixed in the mounting slot 21. After the above scheme is adopted, during use, after the milling cutter head 3 is fixed, the rubber lining 8 shrinks. The rubber lining 8 has flexibility and anti-skid performance, and can shrink appropriately. On the one hand, the stability of the installation of the milling cutter head 3 is improved, and on the other hand, the rubber lining 8 has a certain buffering and shock resistance function, which can weaken the shaking of the milling cutter head 3 during work.

[0042] Preferably, as shown in Figure 1The embodiment shown further comprises a fixing flange 51 fixed to the bottom end of the clamping rod 5, and the fixing flange 51 is fixedly connected with the fixing cover 4 by means of bolts, so that the clamping rod 5 is fixedly installed with the bolts through the fixing flange 51, and under the premise of ensuring stable installation, the clamping rod 5 is convenient to disassemble and replace, is suitable for different installation scenes, and ensures that the milling cutter head can be reliably fixed on the machine tool output shaft.

[0043] Components not described in detail herein are of the prior art.

[0044] The working principle and use process of the utility model: the milling cutter head of the utility model, when assembling the modular milling cutter head, first place the milling cutter head 3 in the installation groove 21, position the installation position of the milling cutter head 3 through the installation groove 21, then tighten the countersunk screw 7 to realize stable installation of the milling cutter head 3;

[0045] Then insert the T-shaped tool holder 2 into the insertion groove 11 of the fixed disc body 1, and finally fix the fixing cover 4 to the top end of the fixed disc body 1 by means of bolts;

[0046] After the fixing cover 4 is fixed, the fixing cover 4 will press down the floating disc 61, push the push rod 63 to turn and move through the turnover connecting arm 65, and will extrude the return spring 62, so that the return spring 62 is contracted, the push rod 63 is tightly supported from the inside T-shaped tool holder 2, cooperates with the pressing of the fixing cover 4, can greatly improve the stability of the installation of the T-shaped tool holder 2, avoids the problem that the working time produces shaking and affects the machining precision, and the milling cutter head adopts modular design, is convenient to assemble and disassemble, is conducive to replacing different accessories to adapt to different working scenes;

[0047] When disassembly is needed, first unscrew the bolts of the fixing cover 4, at this time the return spring 62 releases the elastic force, the floating disc 61 moves up and resets, at the same time the turnover connecting arm 65 pulls the push rod 63 to turn and move, so that the push rod 63 is away from the T-shaped tool holder 2, then the T-shaped tool holder 2 is directly pulled out to realize disassembly;

[0048] The clamping rod 5 is fixedly installed with the bolts through the fixing flange 51, under the premise of ensuring stable installation, the clamping rod 5 is convenient to disassemble and replace, is suitable for different installation scenes, and ensures that the milling cutter head can be reliably fixed on the machine tool output shaft.

[0049] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A modular milling cutter disc comprising a fixed disc body (1) having a cavity, a plurality of T-shaped tool holders (2) equally spaced in a circumferential direction and inserted into the fixed disc body (1), a milling cutter head (3) fixed to the T-shaped tool holders (2), a fixed cover (4) fixed to the top end of the fixed disc body (1) by means of bolts, and a clamping rod (5) fixed to the fixed cover (4), characterized in that, It also comprises an inner supporting mechanism (6), and the inner supporting mechanism (6) comprises: a floating disc (61) movably placed in the cavity of the fixed disc body (1), and the initial height of the floating disc (61) is higher than that of the fixed disc body (1); a reset spring (62) fixed between the inner bottom surface of the fixed disc body (1) and the floating disc (61); a push rod (63) movably connected to the inner bottom surface of the fixed disc body (1) and arranged in the circumferential direction at equal intervals, and the push rod (63) is opposite to the T-shaped tool holder (2); a turnover connecting arm (65) hinged at the top end to the floating disc (61) and at the bottom end to the push rod (63); a guide sleeve (66) fixed to the inner bottom surface of the fixed disc body (1), and the push rod (63) penetrates the guide sleeve (66).

2. A modular milling cutter according to claim 1, wherein: The inner supporting mechanism (6) further comprises: a rubber block (64) fixed to one end of the push rod (63) close to the T-shaped tool holder (2).

3. The modular milling cutter of claim 1, wherein: The push rod (63) is a square rod, has a square hole on the guide sleeve (66) for the push rod (63) to penetrate, and the outer wall of the push rod (63) abuts against the inner wall of the square hole.

4. The modular milling cutter of claim 1, wherein: The fixed disc body (1) has an insertion slot (11) for the T-shaped tool holder (2) to be embedded.

5. A modular milling cutter according to claim 4, wherein: When the T-shaped tool holder (2) is embedded in the insertion slot (11), the outer wall of the T-shaped tool holder (2) abuts against the inner wall of the insertion slot (11), and the top end of the T-shaped tool holder (2) is flush with the top surface of the fixed disc body (1).

6. The modular milling cutter of claim 1, wherein: It also comprises: a countersunk screw (7) having a mounting slot (21) on the T-shaped tool holder (2) for mounting the milling cutter head (3), and the milling cutter head (3) is fixed in the mounting slot (21) by the countersunk screw (7).

7. A modular milling cutter according to claim 6 wherein: It also comprises: a rubber lining (8) adhesively fixed in the mounting slot (21).

8. The modular milling cutter of claim 1, wherein: It also comprises: a fixed flange (51) fixed to the bottom end of the clamping rod (5), and the fixed flange (51) is fixedly connected to the fixed cover (4) by bolts.

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