CN222710912U - A replaceable blade round nose end mill - Google Patents
A replaceable blade round nose end mill Download PDFInfo
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- CN222710912U CN222710912U CN202420689490.XU CN202420689490U CN222710912U CN 222710912 U CN222710912 U CN 222710912U CN 202420689490 U CN202420689490 U CN 202420689490U CN 222710912 U CN222710912 U CN 222710912U
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- cutter
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- milling
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- 238000003801 milling Methods 0.000 claims abstract description 55
- 238000009434 installation Methods 0.000 claims description 12
- 230000007774 longterm Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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Abstract
本实用新型属于圆鼻立铣刀技术领域，尤其涉及一种可更换刀刃圆鼻立铣刀，改善现有技术中在长时间加工时，该刃部的圆周面上设有多个侧刃在磨损后需要进行更换，由于侧刃和刃部设于柄部一端的，这就导致更换刃部与侧刃时需要将整体进行更换，从而增加了使用者经济损失的问题，现提出如下方案包括铣刀刀柄，铣刀刀柄的后端活动安装有刀头固定杆，刀头固定杆的后端固定安装有刀片安装块，刀片安装块的外壁表面开设有安装刀槽，安装刀槽的外壁表面开设有刀块限位槽二，安装刀槽的外部安装有铣刀刀片，铣刀刀片的外壁表面开设有刀片固定孔。本实用新型避免铣刀刀片在铣削时脱落，方便使用者使用本装置进行铣削，方便使用者使用。
The utility model belongs to the technical field of round nose end mills, and particularly relates to a round nose end mill with replaceable blades. It improves the prior art that during long-term processing, a plurality of side blades are provided on the circumferential surface of the blade portion, which need to be replaced after wear. Since the side blades and the blade portion are provided at one end of the handle portion, it is necessary to replace the entire blade portion and the side blades when replacing the blade portion and the side blades, thereby increasing the economic loss of the user. The following scheme is proposed, including a milling cutter handle, a cutter head fixing rod is movably installed at the rear end of the milling cutter handle, a blade mounting block is fixedly installed at the rear end of the cutter head fixing rod, a mounting groove is provided on the outer wall surface of the blade mounting block, a cutter block limiting groove 2 is provided on the outer wall surface of the cutter groove, a milling cutter blade is installed outside the cutter groove, and a blade fixing hole is provided on the outer wall surface of the milling cutter blade. The utility model prevents the milling cutter blade from falling off during milling, and is convenient for users to use the device for milling, and is convenient for users to use.
Description
Technical Field
The utility model relates to a cutting edge round nose end mill, in particular to a round nose end mill with a replaceable cutting edge, and belongs to the technical field of round nose end mills.
Background
The round nose milling cutter is also called a flat bottom R cutter and can be used for rough machining, a plane smooth cutter and a curve contour smooth cutter. Compared with an end mill and a spherical mill, the round-head milling cutter combines two advantages and has better working efficiency.
The utility model provides a become spiral angle terminal surface arc circle nose end mill of bulletin number CN218109469U, includes stalk portion and locates the cutting edge portion of stalk portion one end, is equipped with a plurality of side edges and junk slots on the periphery of cutting edge portion, is equipped with on the terminal surface of cutting edge portion to have curved bottom edge, and the side edge extends to stalk portion direction spiral from the terminal surface. The utility model designs the bottom edge into an arc shape to enable the cutting end face of the bottom edge to be in arc contact with the processing surface of the workpiece, and the side edge adopts a design of a variable helix angle.
In the above technical solution, the design of variable helix angle is adopted by the plurality of side blades and the side blades on the circumferential surface of the blade portion, but when the blade portion is processed for a long time, the plurality of side blades need to be replaced after being worn, and because the side blades and the blade portion are arranged at one end of the handle portion, the whole blade portion and the side blades need to be replaced when the blade portion and the side blades are replaced, so that the problem of economic loss of a user is increased.
Disclosure of utility model
The utility model provides a replaceable blade round nose end mill, which aims to solve the problem that a plurality of side blades are arranged on the circumferential surface of the blade part and need to be replaced after being worn in long-time processing, and the side blades and the blade part are arranged at one end of a handle part, so that the blade part and the side blades need to be replaced integrally when being replaced, thereby increasing the economic loss of users.
The utility model realizes the purpose through the following technical scheme that the round nose end mill with the replaceable cutting edge comprises a milling cutter handle, wherein a cutter head fixing rod is movably arranged at the rear end of the milling cutter handle, a blade mounting block is fixedly arranged at the rear end of the cutter head fixing rod, and a cutter mounting groove is formed in the outer wall surface of the blade mounting block;
The cutter block limiting groove II is formed in the outer wall surface of the cutter mounting groove, a milling cutter blade is mounted on the outer wall surface of the cutter mounting groove, a blade fixing hole is formed in the outer wall surface of the milling cutter blade, a blade limiting block is fixedly connected to the outer portion of the milling cutter blade, and a blade fixing screw is mounted on the inner thread of the blade fixing hole.
As a still further proposal of the utility model, the outer wall of the tool bit fixing rod is provided with a tool bit fixing hole, and the inner thread of the tool bit fixing hole is provided with a tool bit fixing screw.
As a still further proposal of the utility model, the outer wall of the cutter mounting groove is also provided with a cutter mounting hole, and the rear end surface of the milling cutter handle is fixedly connected with a handle fixing block.
As a still further scheme of the utility model, the outer wall surface of the knife handle fixing block is provided with a fixing block fixing hole, and the outer wall of the other end of the knife handle fixing block is fixedly connected with a first limiting block.
As a still further proposal of the utility model, the periphery of the first limiting block is provided with a first limiting groove.
As a still further scheme of the utility model, a fixed block mounting groove is formed in the front end of the tool bit fixing rod, and a second limiting block is fixedly connected to the inner wall surface of the fixed block mounting groove.
As a still further proposal of the utility model, the bottom end of the fixed block installation groove is provided with a limiting block chute.
The beneficial effects of the utility model are as follows:
1. According to the milling cutter, the milling cutter blade is disassembled and assembled through the mounting cutter groove formed in the upper surface of the blade mounting block, so that a user can conveniently replace the milling cutter blade, the milling cutter blade is conveniently limited through the mutual matching between the cutter block limiting groove II formed in the outer part of the mounting cutter groove and the blade limiting block fixed on the outer part of the milling cutter blade, and after the mounting is finished, the milling cutter blade is prevented from falling off during milling through the mutual matching between the blade mounting hole formed in the outer wall of the mounting cutter groove and the blade fixing hole formed in the outer wall of the milling cutter blade and the blade fixing screw;
2. According to the utility model, the cutter handle fixing block fixed at the rear end of the cutter handle and the first limiting block can be inserted into the fixing block mounting groove formed in the front end of the cutter head fixing rod, the second limiting block in the fixing block mounting groove is matched with the first limiting groove formed in the periphery of the first limiting block, so that a user can conveniently and rapidly connect the cutter handle with the cutter head fixing rod, the use is convenient, the stability between the cutter handle and the cutter head fixing rod is improved, the use is convenient, the first limiting block can be conveniently twisted in the fixing block mounting groove, and the use is convenient after the installation is completed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the milling cutter handle and the cutter head fixing rod of the present utility model in a disassembled configuration;
FIG. 3 is a schematic view of the internal structure of the milling cutter handle and the cutter head securing lever of the present utility model;
Fig. 4 is a schematic view showing a disassembled structure of the milling cutter insert and the insert mounting block of the present utility model.
In the figure, a milling cutter handle, a2, a cutter head fixing rod, a 3, a cutter blade mounting block, a 4, a cutter blade mounting groove, a 5, a milling cutter blade, a 6, a cutter blade fixing screw, a 7, a cutter blade fixing screw, a 8, a cutter handle fixing hole, a 9, a cutter handle fixing block, a 10, a fixing block fixing hole, a 11, a first limiting block, a 12, a first limiting groove, a 13, a fixing block mounting groove, a 14, a second limiting block, a 15, a limiting block sliding groove, a 16, a cutter blade mounting hole, a 17, a cutter blade fixing hole, a 18, a cutter blade limiting block, a 19 and a second limiting block groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 4, a replaceable blade round nose end mill, including milling cutter handle 1, the rear end movable mounting of milling cutter handle 1 has tool bit dead lever 2, the rear end fixed mounting of tool bit dead lever 2 has blade installation piece 3, installation sword groove 4 has been seted up to the outer wall surface of blade installation piece 3, install sword piece spacing groove two 19 on the outer wall surface of installation sword groove 4, install milling cutter blade 5 outside of installation sword groove 4, fix milling cutter blade 5 outside at installation sword groove 4, avoid milling cutter blade 5 to drop when milling, the person of facilitating the use uses this device to mill, the person of facilitating the use uses, blade dead lever 17 has been seted up on the outer wall surface of milling cutter blade 5, the outside fixedly connected with blade stopper 18 of milling cutter blade 5, the inside screw thread of blade dead lever 17 installs blade fixing screw 6, install milling cutter blade 5 dismouting through the installation sword groove 4 of blade installation piece 3 top surface, can facilitate the user change milling cutter blade 5 like this, through the outside of installing sword piece spacing groove two 19 of installing groove 4 and the outside of blade 5 between the blade 5 is fixed 18, the mutual spacing milling cutter is convenient for carrying out milling cutter 5.
Example two
In addition to all the technical characteristics of the first embodiment, the cutter head fixing rod comprises a cutter head fixing hole 8 formed in the outer wall of the cutter head fixing rod 2, a cutter bar fixing screw 7 is arranged in the inner thread of the cutter head fixing hole 8, a cutter blade mounting hole 16 is formed in the outer wall of the cutter mounting groove 4, a cutter head fixing block 9 is fixedly connected to the rear end surface of the cutter handle 1, a fixing block fixing hole 10 is formed in the outer wall surface of the cutter head fixing block 9, a limiting block I11 is fixedly connected to the other end outer wall of the cutter head fixing block 9, a limiting groove I12 is formed in the outer periphery of the limiting block I11, a fixing block mounting groove 13 is formed in the front end of the cutter head fixing rod 2, the cutter head fixing block 9 fixed to the rear end of the cutter handle 1 can be inserted into the fixing block mounting groove 13 formed in the front end of the cutter head fixing rod 2 through the fixing block fixing groove I11, a limiting block II 14 inside the fixing block mounting groove 13 is formed in the outer periphery of the limiting block I11, a user can quickly connect the cutter head fixing rod 2 with the cutter fixing groove I12, a user can conveniently use the cutter head fixing groove 13, and the cutter head fixing groove 15 can be screwed into the cutter head fixing groove 1 through the fixing groove 15, and the cutter head fixing groove 15 can be conveniently used, and the cutter head fixing groove 1 can be conveniently fixed by using the fixing groove 15.
The milling cutter blade 5 is disassembled and assembled through the mounting cutter groove 4 formed in the surface above the blade mounting block 3, so that a user can conveniently replace the milling cutter blade 5, the milling cutter blade 5 is conveniently limited through the mutual matching between the cutter block limiting groove II 19 formed in the outer part of the mounting cutter groove 4 and the cutter block limiting block 18 fixed outside the milling cutter blade 5, and after the mounting is finished, the milling cutter blade 5 can be conveniently fixed outside the mounting cutter groove 4 by the user through the mutual matching between the cutter mounting hole 16 formed in the outer wall of the mounting cutter groove 4 and the cutter fixing hole 17 formed in the outer wall of the milling cutter blade 5 and the cutter fixing screw 6, the milling cutter blade 5 is prevented from falling off during milling, and the milling cutter is convenient for the user to use.
The cutter handle fixing block 9 and the first limiting block 11 fixed at the rear end of the cutter handle 1 can be inserted into the fixing block mounting groove 13 formed in the front end of the cutter head fixing rod 2, the second limiting block 14 in the fixing block mounting groove 13 is matched with the first limiting block 11, the first limiting groove 12 is formed in the periphery of the first limiting block 11, and a user can quickly connect the cutter handle 1 with the cutter head fixing rod 2, so that the cutter head fixing rod is convenient to use.
The cutter handle fixing block 9 is inserted into the cutter head fixing rod 2, the cutter handle 1 is manually twisted by a user, the fixing block fixing hole 10 formed in the outside of the cutter handle fixing block 9 is overlapped with the cutter handle fixing hole 8 formed in the outside of the cutter head fixing rod 2, the cutter handle fixing screw 7 is screwed in by a user conveniently, stability between the cutter handle 1 and the cutter head fixing rod 2 can be improved, the use can be facilitated, and the limiting block sliding groove 15 can facilitate the twisting of the limiting block 11 in the fixing block mounting groove 13, so that the use is facilitated.
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 utility model may be embodied in other specific forms without departing from the spirit or essential characteristics 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The round nose end mill with the replaceable cutting edge comprises a milling cutter handle (1) and is characterized in that a cutter head fixing rod (2) is movably arranged at the rear end of the milling cutter handle (1), a cutter blade mounting block (3) is fixedly arranged at the rear end of the cutter head fixing rod (2), and a cutter blade mounting groove (4) is formed in the outer wall surface of the cutter blade mounting block (3);
The outer wall surface of the installation cutter groove (4) is provided with a cutter block limiting groove II (19), the milling cutter blade (5) is installed outside the installation cutter groove (4), the outer wall surface of the milling cutter blade (5) is provided with a blade fixing hole (17), the outer part of the milling cutter blade (5) is fixedly connected with a blade limiting block (18), and the blade fixing screw (6) is installed in the internal thread of the blade fixing hole (17).
2. The replaceable blade round nose end mill according to claim 1, wherein a cutter handle fixing hole (8) is formed in the outer wall of the cutter head fixing rod (2), and a cutter handle fixing screw (7) is arranged in the inner thread of the cutter handle fixing hole (8).
3. The replaceable-edge round nose end mill according to claim 1, wherein the outer wall of the cutter mounting groove (4) is further provided with a cutter mounting hole (16), and the rear end surface of the milling cutter handle (1) is fixedly connected with a handle fixing block (9).
4. The replaceable blade round nose end mill according to claim 3, wherein a fixing block fixing hole (10) is formed in the outer wall surface of the cutter handle fixing block (9), and a limiting block I (11) is fixedly connected to the outer wall of the other end of the cutter handle fixing block (9).
5. The replaceable-edge round nose end mill of claim 4, wherein the first limiting block (11) is provided with a first limiting groove (12) at the periphery.
6. The replaceable-edge round nose end mill of claim 2, wherein a fixed block mounting groove (13) is formed in the front end of the cutter head fixing rod (2), and a limiting block II (14) is fixedly connected to the inner wall surface of the fixed block mounting groove (13).
7. The replaceable blade round nose end mill of claim 6, wherein the bottom end of the fixed block mounting groove (13) is provided with a limiting block chute (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420689490.XU CN222710912U (en) | 2024-04-07 | 2024-04-07 | A replaceable blade round nose end mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420689490.XU CN222710912U (en) | 2024-04-07 | 2024-04-07 | A replaceable blade round nose end mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222710912U true CN222710912U (en) | 2025-04-04 |
Family
ID=95172905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420689490.XU Active CN222710912U (en) | 2024-04-07 | 2024-04-07 | A replaceable blade round nose end mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222710912U (en) |
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2024
- 2024-04-07 CN CN202420689490.XU patent/CN222710912U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |