CN217412591U - Forming milling cutter for forming multiple fillets at one time - Google Patents
Forming milling cutter for forming multiple fillets at one time Download PDFInfo
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- CN217412591U CN217412591U CN202221483500.1U CN202221483500U CN217412591U CN 217412591 U CN217412591 U CN 217412591U CN 202221483500 U CN202221483500 U CN 202221483500U CN 217412591 U CN217412591 U CN 217412591U
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Abstract
The utility model discloses a formed milling cutter for forming a plurality of fillets in one step, which comprises a formed milling cutter body, wherein the formed milling cutter body comprises a cutter head and a connecting cutter handle connected with a machine tool; the cutter head is provided with four cutting parts which have the same structure and are used for cutting parts; the cutting part comprises a first fillet cutting part for processing the upper fillet of the part and a second fillet cutting part for processing the lower fillet of the part; the cutting parts are spirally arranged along the vertical axis of the cutter head, and a spiral chip groove is formed between every two adjacent cutting parts; the cutting part also comprises a milling cutting part arranged at the tail end for milling a plane; the utility model provides a formed milling cutter for forming a plurality of fillets at one time; the size of the fillet can be customized according to the processing requirement, and the fillets at multiple positions of the part are formed in one-step processing mode, so that the fillet processing efficiency is improved, and the consistency of the size of the fillet is improved.
Description
Technical Field
The utility model relates to a machine-building cutting process field, in particular to shaping milling cutter of a plurality of fillets of one shot forming.
Background
Milling cutters, in which the cutting edge profile is designed according to the workpiece profile, are called form mills. It is the same as a forming turning tool, and can ensure the dimensional accuracy, the shape consistency and the higher productivity of the processed workpiece. The formed milling cutter has the advantages of high processing speed, less cutter changing times, high processing efficiency, long service life of the cutter, low cost of the cutter and the like in use.
When all need process the fillet of the same circular arc to upper and lower both sides in the part, all in the past be traditional shaping milling cutter processing, need two shaping milling cutters or overturn the part once, process respectively each round chamfer, all process the fillet until each machined surface, to the structure that needs fillet many times, adopt prior art machining efficiency extremely low, and cause the chamfer size inhomogeneous easily, how consequently once only process a plurality of chamfers, it is the technical problem that needs to solve at present to improve parts machining efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a formed milling cutter for forming a plurality of fillets in one step; the size of the fillet can be customized according to the processing requirement, and the fillets at multiple positions of the part are formed in one-step processing mode, so that the fillet processing efficiency is improved, and the consistency of the size of the fillet is improved.
In order to achieve the purpose, the utility model provides a formed milling cutter for forming a plurality of fillets at one time, which comprises a formed milling cutter body, wherein the formed milling cutter body comprises a cutter head and a connecting cutter handle used for being connected with a machine tool; the cutter head is provided with four cutting parts which have the same structure and are used for cutting parts; the cutting part comprises a first fillet cutting part for processing the upper fillet of the part and a second fillet cutting part for processing the lower fillet of the part; the cutting parts are spirally arranged along the vertical axis of the cutter head, and a spiral chip groove is formed between every two adjacent cutting parts; the cutting portion further comprises a milling cutting portion provided at the distal end for milling the plane.
Preferably, the first rounding cutting part and the second rounding cutting part are both provided with rounding blades, the arc diameter of each rounding blade is between 5 and 10mm, the arc diameter of each rounding blade can be customized according to processing requirements, and the arc diameters of the rounding blades at the upper part and the lower part can be the same or different.
Preferably, a first space avoiding part is arranged below the first fillet cutting part, and a second space avoiding part is arranged above the second fillet cutting part; the first clearance portion and the second clearance portion are arranged to prevent interference with a machined part in the rounding process.
Preferably, a connecting part is further arranged between the first space-avoiding part and the second space-avoiding part, the connecting part is in a spiral shape, and the connecting part shrinks towards the axis of the formed milling cutter body; namely, the radial dimension from the connecting part to the axis is smaller than the radial dimension from the first fillet cutting part, the second fillet cutting part or the cutter handle to the axis; when the diameter of the cutter handle is larger, the interference between the cutter handle and a processing part can be prevented when the cutter handle is rounded.
Preferably, the milling cutting portion includes a first cutting surface, a second cutting surface connected to the first cutting surface side, a cutting relief surface connected to the second cutting surface side and distant from the first cutting surface, and a cut surface for cutting off chips, the cut surface intersecting the first cutting surface.
Preferably, an included angle between the first cutting surface and the second cutting surface is 90 degrees, an included angle between the second cutting surface and the cutting back surface is 30 degrees, and an included angle between the cut surface and the first cutting surface is 90 degrees.
Preferably, the connecting knife handle is of a cylindrical structure, is connected with the BT40 knife handle and is fixed at the end part of the BT40 knife handle; the connecting tool handle 12 is of a cylindrical structure, so that the connecting tool handle is convenient to clamp and is better connected with the BT40 tool handle.
Preferably, the connecting tool shank and the tool bit are integrally made of hard alloy materials; furthermore, the connecting tool shank 12 and the tool bit 11 can be made of different materials and fixedly connected through a connecting piece or threads to form an integral structure; thus, the cutter is convenient to disassemble and replace, and the manufacturing cost of the cutter is reduced.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the cutting part of the utility model is provided with a first fillet cutting part for processing the upper fillet of the part and a second fillet cutting part for processing the lower fillet of the part, the first fillet cutting part and the second fillet cutting part simultaneously process the round chamfers on the upper side and the lower side of the part to be processed, and the round chamfers are processed and formed at one time, so that the fillet processing efficiency is improved, and the consistency of the fillet size is improved; the qualification rate of the processed finished product is high.
2. First radius angle cutting portion and second radius angle cutting portion can require the size of customization radius angle according to processing, to the process of both sides simultaneous processing radius angle about needs, can one shot forming, and is further, the chamfer size of first radius angle cutting portion and second radius angle cutting portion can also be different, customizes according to actual conditions, shaping milling cutter obtains extensive application in five metals, carpenter plastic, stone material, materials such as glass processing radius angle.
3. In the utility model, a first space-avoiding part is arranged below the first fillet cutting part, and a second space-avoiding part is arranged above the second fillet cutting part; the first space-avoiding part and the second space-avoiding part can prevent interference with a machined part in the rounding process; a connecting part is further arranged between the first clearance part and the second clearance part, the connecting part is in a spiral shape, and the connecting part shrinks towards the axis of the formed milling cutter body; when the diameter of the cutter handle is larger, the interference between the cutter handle and a machined part can be prevented when the fillet is rounded.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a machined part provided by the present invention before it is machined;
FIG. 2 is a schematic structural view of the machined part provided by the present invention after being rounded;
fig. 3 is a front view of a milling cutter for forming multiple fillets in one step according to the present invention;
fig. 4 is a schematic structural diagram of a forming milling cutter for forming a plurality of fillets at one time according to the present invention;
fig. 5 is an enlarged schematic view of a milling cutting part provided by the present invention.
The figure includes:
1. forming a milling cutter body; 11. a cutter head; 12. connecting the knife handle; 2. a cutting portion; 3. a first fillet cutting part; 4. a second fillet cutting part; 5. a chip groove; 6. milling and cutting part; 7. rounding the blade; 81. a first space avoiding portion; 82. a second keep-away section; 8. a connecting portion; 61. a first cutting surface; 62. a second cutting face; 63. cutting the back surface; 64. cutting off the section; 9. and (5) processing parts.
Detailed Description
The technical solution 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 embodiment is an embodiment of the present invention, rather than the whole embodiments. Based on this embodiment in the present invention, all other embodiments obtained by the ordinary skilled person in the art without creative work all belong to the protection scope of the present invention.
Referring to fig. 3 to 5, the present invention provides a milling cutter for forming a plurality of fillets at a time.
Firstly, a machined part 9 is described in detail according to the attached drawings, in the embodiment, as shown in fig. 1, the machined part 9 is a rectangular parallelepiped, and the cross section is a square, which is not limited to this; in other embodiments, the machined part 9 may also be a cylindrical or diamond-shaped cylinder, etc., and in the rounding process of this embodiment, it is necessary to round the upper and lower portions of the left and right sides of the machined part 9, and after the process is completed, as shown in fig. 2.
Next, the profile milling cutter will be described in detail with reference to the drawings, in this embodiment, as shown in fig. 3, the left side of the drawing is a machined part 9, and the right side is a profile milling cutter body 1; the formed milling cutter body 1 comprises two parts, namely a cutter head 11 and a connecting cutter handle 12 connected with a machine tool, in the embodiment, in order to facilitate clamping, the connecting cutter handle 12 is of a cylindrical structure, and the connecting cutter handle 12 is connected with a BT40 cutter handle and fixed at the end part of the BT40 cutter handle; further, the connecting tool holder 12 and the tool bit 11 are integrally made of hard alloy materials; in other embodiments, the connecting handle 12 and the tool bit 11 may be made of different materials, and are fixedly connected by a connecting member or a thread to form an integral structure; thus facilitating disassembly and replacement.
As shown in fig. 3, the utility model discloses in with being close to handle of a knife 12 is the top, is close to tool bit 11 is the below.
As shown in fig. 4, the cutting head 11 is provided with four cutting portions 2 having the same structure and used for cutting parts; cutting part 2 is even arranges around tool bit 11, cutting part 2 is equipped with the first rounding off cutting part 3 that is used for processing part upper portion rounding off from last one side down, installs first empty part 81 of keeping away of 3 lower parts of first rounding off cutting part, install at the first connecting portion 8 of keeping away empty part 81 lower part, install the second of connecting portion 8 below and keep away empty part 82, install and keep away empty part 82 the second of 82 lower parts of second and be used for processing part lower part rounding off cutting part 4 and install and be used for milling planar milling cutting part 6 at the end.
Furthermore, the four cutting parts 2 can be distributed on the whole circumference, the cutting frequency can be improved, in addition, the cutting parts 2 are spirally arranged along the vertical axis of the cutter head 11, and a spiral chip discharge groove 5 is arranged between every two adjacent cutting parts 2; facilitating better chip discharge.
Furthermore, the first fillet cutting part 3 and the second fillet cutting part 4 are used for simultaneously processing fillets, and specifically, the first fillet cutting part 3 and the second fillet cutting part 4 simultaneously process round chamfers on the upper side and the lower side of the processed part 9, and the round chamfers are processed and formed at one time, so that the fillet processing efficiency is improved, and the size consistency of the fillets is improved; the qualification rate of the processed finished product is high.
As shown in fig. 4, the first and second rounded cutting portions 3 and 4 are each provided with a rounded blade 7, the rounded blade 7 having an arc diameter of between 5 and 10 mm; further, the circular arc diameter of the rounding blade 7 can be customized according to the processing requirements, in this embodiment, the circular arc diameters of the rounding blades 7 at the upper and lower positions are the same, and in other embodiments, the circular arc diameters of the rounding blades 7 at the upper and lower positions can be different, for example: the arc diameter of the upper rounded blade 7 is 10mm, and the arc diameter of the lower rounded blade 7 is 8 mm; can customize according to actual conditions, the shaping milling cutter obtains extensive application in materials processing radius angles such as five metals, carpenter, plastic, stone material, glass.
As shown in fig. 4, a first space-avoiding portion 81 is arranged below the first fillet cutting part 3, and a second space-avoiding portion 82 is arranged above the second fillet cutting part 4; the first space-avoiding portion 81 and the second space-avoiding portion 82 can prevent interference with the machined part 9 during rounding; further, a connecting part 8 is further arranged between the first space-avoiding part 81 and the second space-avoiding part 82, the connecting part 8 is in a spiral shape, and the connecting part 8 shrinks towards the axis of the formed milling cutter body 1; namely, the radial dimension from the connecting part 8 to the axis is smaller than the radial dimension from the first fillet cutting part 3, the second fillet cutting part 4 or the cutter handle 12 to the axis; when the diameter of the tool shank 12 is large, the tool shank 12 can be prevented from interfering with the machining part 9 when the tool shank is rounded.
As shown in fig. 5, the milling cutter 6 includes a first cutting surface 61, a second cutting surface 62 connected to the first cutting surface 61 side, a cutting relief surface 63 connected to the second cutting surface 62 side and distant from the first cutting surface 61, and a cut surface 64 for cutting chips, the cut surface 64 intersecting the first cutting surface 61.
Further, an included angle between the first cutting surface 61 and the second cutting surface 62 is 90 degrees, an included angle between the second cutting surface 62 and the cutting back surface 63 is 30 degrees, and an included angle between the cutting surface 64 and the first cutting surface 61 is 90 degrees.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (8)
1. The utility model provides a shaping milling cutter of a plurality of fillets of one shot forming which characterized in that: the milling cutter comprises a formed milling cutter body (1), wherein the formed milling cutter body (1) comprises a cutter head (11) and a connecting cutter handle (12) connected with a machine tool; the cutter head (11) is provided with four cutting parts (2) which have the same structure and are used for cutting parts; the cutting part (2) comprises a first rounding cutting part (3) used for processing the upper rounding of the part and a second rounding cutting part (4) used for processing the lower rounding of the part; the cutting parts (2) are spirally arranged along the vertical axis of the cutter head (11), and spiral chip discharge grooves (5) are formed between every two adjacent cutting parts (2); the cutting part (2) further comprises a milling cutting part (6) provided at the end for milling a plane.
2. The formed milling cutter for forming a plurality of rounded corners at one time according to claim 1, wherein: first radius angle cutting portion (3) and second radius angle cutting portion (4) all are equipped with radius cutting edge (7), the circular arc diameter of radius cutting edge (7) is between 5 to 10 mm.
3. The formed milling cutter for forming a plurality of rounded corners at one time according to claim 1, wherein: first fillet cutting portion (3) below is equipped with first clearance part (81), second fillet cutting portion (4) top is equipped with second clearance part (82).
4. The formed milling cutter for forming a plurality of rounded corners at one time according to claim 3, wherein: still be equipped with connecting portion (8) between first keep away empty part (81) and second keep away empty part (82), connecting portion (8) are the heliciform, connecting portion (8) are to the axle center department shrink of shaping milling cutter body (1).
5. The formed milling cutter for forming a plurality of rounded corners at one time according to claim 1, wherein: the milling cutting part (6) comprises a first cutting surface (61), a second cutting surface (62) connected with one side of the first cutting surface (61), a cutting back surface (63) connected with one side of the second cutting surface (62) and far away from the first cutting surface (61), and a cutting surface (64) for cutting off chips, wherein the cutting surface (64) is intersected with the first cutting surface (61).
6. The formed milling cutter for forming a plurality of rounded corners at one time according to claim 5, wherein: the included angle between the first cutting surface (61) and the second cutting surface (62) is 90 degrees, the included angle between the second cutting surface (62) and the cutting rear surface (63) is 30 degrees, and the included angle between the cutting surface (64) and the first cutting surface (61) is 90 degrees.
7. The formed milling cutter for forming a plurality of rounded corners at one time according to claim 1, wherein: the connecting knife handle (12) is of a cylindrical structure, and the connecting knife handle (12) is connected with the BT40 knife handle and fixed at the end part of the BT40 knife handle.
8. The formed milling cutter for forming a plurality of rounded corners at one time according to claim 1, wherein: the connecting knife handle (12) and the knife head (11) are integrally made of hard alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221483500.1U CN217412591U (en) | 2022-06-15 | 2022-06-15 | Forming milling cutter for forming multiple fillets at one time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221483500.1U CN217412591U (en) | 2022-06-15 | 2022-06-15 | Forming milling cutter for forming multiple fillets at one time |
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| CN217412591U true CN217412591U (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221483500.1U Active CN217412591U (en) | 2022-06-15 | 2022-06-15 | Forming milling cutter for forming multiple fillets at one time |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI836617B (en) * | 2022-09-20 | 2024-03-21 | 時碩工業股份有限公司 | Milling cutter with high efficiency and method of processing bicycle fork seat by using the milling cutter |
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2022
- 2022-06-15 CN CN202221483500.1U patent/CN217412591U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI836617B (en) * | 2022-09-20 | 2024-03-21 | 時碩工業股份有限公司 | Milling cutter with high efficiency and method of processing bicycle fork seat by using the milling cutter |
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