Indexable milling cutter having replaceable milling blades of different cutting edges

Abstract

The present application relates to the technical field of machining tools, in particular to an indexable milling cutter having replaceable milling blades of different cutting edges. The indexable milling cutter comprises a cutter body (1) and a plurality of functional blades (2). The cutter body (1) comprises a cutter handle (3) and a cutter head (4). The cutter head (4) is provided with a plurality of mounting slots (5) having side openings. Each functional blade (2) is locked in one mounting slot (5) by means of a locking member (19). The bottom wall of each mounting slot (5) is provided with a first mounting engagement surface (6). The side wall of each mounting slot (5) is provided with a first positioning inclined surface (7). The bottom surface of each functional blade (2) is provided with a second mounting engagement surface (8) adapted to the first mounting engagement surface (6). The side surface of each functional blade (2) is provided with a second positioning inclined surface (9) abutting against and cooperating with the first positioning inclined surface (7). A cutting edge (10) is provided at a corner of the top surface of each functional blade (2). In the present application, functional blades (2) of different cutting edges (10) can be mounted on one cutter body (1) for use, which reduces the number of cutter bodies (1) and reduces the costs of production and use. In addition, only the functional blades (2) of different cutting edges (10) need to be replaced to become indexable milling cutters having different functions, which greatly reduces the labor intensity and saves the disassembly and replacement time.

Description

Machine clamped milling cutter capable of replacing different milling cutter blades TECHNICAL FIELD

[0001] The utility model relates to machine tooling cutter technical field, especially in a kind of machine clamped milling cutter capable of replacing different milling cutter blades. BACKGROUND

[0002] In machine clamped milling cutter, the common machine clamped milling cutter blade has different shapes, angles, blade types and different R angle blades, and specific shape, angle, blade type and specific nose R angle realize respective function, which forms fixed use. In prior art, a machine clamped milling cutter blade can only be installed on corresponding cutter body to exert the cutting function of milling cutter blade. This one-to-one directional assembly brings the problem that multiple milling cutter blades require multiple cutter bodies, which greatly increases the manufacturing and use cost, easily causes resource waste, and is inconvenient for cutter body storage. Therefore, the defect is very obvious, and a solution is urgently needed. TECHNICAL PROBLEM

[0003] To solve the above technical problem, the utility model aims at providing a machine clamped milling cutter capable of replacing different milling cutter blades. TECHNICAL SCHEME

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A machine clamped milling cutter capable of replacing different milling cutter blades includes a cutter body and multiple functional blades. The cutter body includes a cutter handle and an integral coaxial cutter head. The cutter head is provided with multiple side-opening installation grooves. Each functional blade is locked in an installation groove by a locking member. The multiple installation grooves are arranged in a ring array around the central axis of the cutter head. The bottom wall of the installation groove is provided with a first installation joint surface. The side wall of the installation groove is provided with a first positioning inclined surface. The bottom surface of the functional blade is provided with a second installation joint surface matched with the first installation joint surface. The side surface of the functional blade is provided with a second positioning inclined surface matched with the first positioning inclined surface. The top surface of the functional blade is provided with a blade edge.

[0006] Further, the cutter handle is provided with an axial hole in the axial direction. The cutter head is provided with multiple radial holes in the radial direction. The inner ends of the multiple radial holes are communicated with one end of the axial hole. The cutter head is provided with multiple inclined channels in a ring array. The multiple inclined channels are respectively and correspondingly arranged with the multiple installation grooves. The inclined channels are directed towards the functional blades in the installation grooves. The corner of the installation groove is provided with a main flow channel. One end of the inclined channel is communicated with the radial hole. The other end of the inclined channel is communicated with the main flow channel. The corner of the installation groove is provided with multiple branch flow channels. The multiple branch flow channels are all communicated with the main flow channel.

[0007] Further, the inclination angle of the first positioning inclined surface is 3°.

[0008] Further, the outer end of the radial hole extends to the side wall of the tool head, and the outer end of the radial hole is detachably provided with a sealing plug.

[0009] Further, the bottom wall of the mounting groove is provided with a threaded hole located at the middle of the first mounting joint surface, the middle of the functional blade is provided with a through hole, the threaded hole is threadedly connected with the threaded hole after the threaded hole of the bolt penetrates through the through hole.

[0010] Further, the top surface of the functional blade is also provided with a second mounting joint surface, and the bottom surface of the functional blade is also provided with an edge at the corner, and the edge at the corner of the top surface of the functional blade is arranged in a staggered manner with the edge at the corner of the bottom surface of the functional blade. Advantages

[0011] The utility model discloses the beneficial effects: in practical application, the functional blade is installed through the second installation joint surface and the first installation joint surface on the tool body, and after the second positioning inclined surface and the first positioning inclined surface are positioned and cooperate, the functional blade is locked on the tool body through the lock piece. According to the actual use milling function demand, the functional blade of different edges can be installed on the tool body, so that one tool body can be used with the functional blade of different edges, and become the machine clamp type milling cutter (for example: square shoulder milling cutter, round nose profiling milling cutter, fast feed milling cutter etc.). One tool body of the utility model can be used with the functional blade of different edges, reduces the number of tool bodies, reduces the cost of production and use, and only needs to replace the functional blade of different edges to become the machine clamp type milling cutter of different functions, greatly reduces the labor intensity, and saves the time of replacement. DRAWINGS DESCRIPTION

[0012] Fig. 1 is a schematic diagram of the three-dimensional structure of the utility model.

[0013] Fig. 2 is a schematic diagram of the exploded structure of the utility model.

[0014] Fig. 3 is a schematic diagram of the three-dimensional structure of the functional blade of the utility model.

[0015] Explanation of the attached drawings:

[0016] 1, tool body;2, functional blade;3, tool handle;4, tool head;5, mounting groove;6, first installation joint surface;7, first positioning inclined surface;8, second installation joint surface;9, second positioning inclined surface;10, edge;11, axial hole;12, radial hole;13, inclined channel;14, main flow channel;15, branch flow channel;16, sealing plug;17, threaded hole;18, through hole;19, lock piece. Best mode of the present application

[0017] For the convenience of understanding of those skilled in the art, the utility model is further explained below in combination with embodiments and drawings, and the content mentioned in the embodiments is not a limitation of the utility model.

[0018] As shown in Figures 1 to 3, the utility model provides a machine clamp type milling cutter capable of replacing different blade milling pieces, which comprises a cutter body 1 and a plurality of functional pieces 2 (milling pieces), the cutter body 1 comprises a cutter handle 3 and an integral coaxial cutter head 4, the cutter head 4 is provided with a plurality of side opening installation grooves 5, each functional piece 2 is locked in an installation groove 5 through a locking piece 19, the plurality of installation grooves 5 are distributed in annular array around the central axis of the cutter head 4, the bottom wall of the installation groove 5 is provided with a first installation joint surface 6, the side wall of the installation groove 5 is provided with a first positioning inclined surface 7, the bottom surface of the functional piece 2 is provided with a second installation joint surface 8 matched with the first installation joint surface 6, and the side surface of the functional piece 2 is provided with a second positioning inclined surface 9 matched with the first positioning inclined surface 7; the top surface corner of the functional piece 2 is provided with a blade 10. Embodiments of the application

[0019] In actual application, the functional piece 2 is matched and installed on the first installation joint surface 6 on the cutter body 1 through the second installation joint surface 8, and the second positioning inclined surface 9 is positioned and matched with the first positioning inclined surface 7, and then the functional piece 2 is locked on the cutter body 1 through the locking piece 19.According to the actual use milling function requirement, the functional piece 2 with different blades 10 can be installed on the cutter body 1, so that one cutter body 1 can be used with the functional piece 2 with different blades 10, and become a machine clamp type milling cutter with different functions (such as a square shoulder milling cutter, a round nose profiling milling cutter, a fast feed milling cutter, etc.). One cutter body 1 of the utility model can be used with the functional piece 2 with different blades 10, the number of cutter bodies 1 is reduced, the production and use cost is reduced, and only the functional piece 2 with different blades 10 needs to be replaced to become a machine clamp type milling cutter with different functions, so that the labor intensity is greatly reduced, and the dismounting and replacing time is saved.

[0020] In the embodiment, the axial hole 11 is arranged on the shank 3 in the axial direction, the radial holes 12 are arranged on the head 4 in the radial direction, the inner ends of the radial holes 12 are communicated with one end of the axial hole 11, the head 4 is arranged with the plurality of inclined channels 13 in an annular array, the plurality of inclined channels 13 are arranged one by one corresponding to the plurality of mounting grooves 5, the inclined channels 13 are directed towards the functional blades 2 in the mounting grooves 5, the main flow channel 14 is arranged at the corner of the mounting groove 5, one end of the inclined channel 13 is communicated with the radial hole 12, the other end of the inclined channel 13 is communicated with the main flow channel 14, and the plurality of branch flow channels 15 are arranged at the corner of the mounting groove 5 and communicated with the main flow channel 14. In actual application, the cooling liquid is introduced into the radial hole 12 through the axial hole 11, and then introduced into the inclined channel 13 through the radial hole 12. The inclined channel 13 directly sprays part of the cooling liquid onto the functional blade 2, and the other part of the cooling liquid is introduced into the main flow channel 14. The main flow channel 14 divides the cooling liquid into the plurality of branch flow channels 15. The cooling liquid in the branch flow channels 15 passes through the functional blade 2 to cool the functional blade 2.

[0021] In the embodiment, the inclination angle of the first positioning inclined surface 7 is 3°. The structure design facilitates the installation of the functional blade 2.

[0022] Specifically, the diameter of the tool body 1 is 12mm-400mm. According to the diameter of the tool body 1, the number of the functional blades 2 installed is 1-40.

[0023] In the embodiment, the outer end of the radial hole 12 extends to the side wall of the head 4, and the outer end of the radial hole 12 is detachably provided with the sealing plug 16. The structure design facilitates the processing and forming of the radial hole 12. The sealing plug 16 seals the outer end of the radial hole 12, has good sealing effect, and avoids the leakage of the cooling liquid.

[0024] In the embodiment, the bottom wall of the mounting groove 5 is provided with the threaded hole 17, the threaded hole 17 is located at the middle of the first mounting joint surface 6, the middle of the functional blade 2 is provided with the through hole 18, the through hole 18 is located at the middle of the second mounting joint surface 8, the locking member 19 is a bolt, and the threaded shank of the bolt is screwed with the threaded hole 17 after penetrating through the through hole 18. The structure design is conducive to firmly locking the functional blade 2 in the mounting groove 5 of the tool body 1.

[0025] In the embodiment, the top surface of the functional blade 2 is also provided with the second mounting joint surface 8, the bottom surface of the functional blade 2 is also provided with the cutting edge 10 at the corner, and the cutting edge 10 at the corner of the top surface of the functional blade 2 is arranged in a staggered manner with the cutting edge 10 at the corner of the bottom surface of the functional blade 2. The structure design enables the functional blade 2 to be installed in the mounting groove 5 of the tool body 1 for use regardless of the positions of the front and back or the positions of the front and back of the functional blade 2, thereby improving the service life of the functional blade 2. Specifically, the branch flow channel 15 can provide a clearance space for the corresponding cutting edge 10. Industrial applicability

[0026] All the technical features in the embodiments can be freely combined according to actual needs.

[0027] The above embodiments are the preferred implementation of the present application, in addition to this, the present application can be implemented in other ways, without departing from the technical scheme concept, any obvious replacement is within the protection scope of the present application.

Claims

1. A machine clamped milling cutter capable of replacing different cutting edge milling cutter blades, characterized in that: The utility model provides a kind of multi-functional knife, including blade body (1) and multiple functional blades (2), the blade body (1) includes handle (3) and integrally coaxial connection head (4), head (4) is provided with multiple side opening installation slot (5), each functional blade (2) is locked in one installation slot (5) via a locking piece (19), multiple installation slots (5) are distributed in annular array around the central axis of head (4), the bottom wall of installation slot (5) is provided with first installation bonding surface (6), the side wall of installation slot (5) is provided with first positioning inclined surface (7), the bottom surface of functional blade (2) is provided with second installation bonding surface (8) adapted to first installation bonding surface (6), the side surface of functional blade (2) is provided with second positioning inclined surface (9) matched with first positioning inclined surface (7);The top surface corner of functional blade (2) is provided with blade edge (10).

2. A machine clamped milling cutter capable of replacing different cutting edge milling cutter blades according to claim 1, characterized in that: The axial direction of handle (3) is provided with axial hole (11), the radial direction of head (4) is provided with multiple radial holes (12), the inner end of multiple radial holes (12) is communicated with one end of axial hole (11), head (4) is provided with multiple inclined channels (13) in annular array, multiple inclined channels (13) are respectively arranged one by one with multiple installation slots (5), inclined channel (13) is towards functional blade (2) in installation slot (5), the corner of installation slot (5) is provided with main flow channel (14), one end of inclined channel (13) is communicated with radial hole (12), the other end of inclined channel (13) is communicated with main flow channel (14), the corner of installation slot (5) is provided with multiple branch flow channels (15), multiple branch flow channels (15) are all communicated with main flow channel (14).

3. The machine clamped milling cutter capable of replacing different blade milling cutter pieces according to claim 1, characterized in that: The inclination angle of first positioning inclined surface (7) is 3 °.

4. The machine clamped milling cutter capable of replacing different blade milling cutter pieces according to claim 1, characterized in that: The outer end of radial hole (12) extends to the side wall of head (4), and the outer end of radial hole (12) is detachably provided with sealing plug (16).

5. The machine clamped milling cutter capable of replacing different cutting edge milling cutter pieces according to claim 1, characterized in that: The bottom wall of installation slot (5) is provided with threaded hole (17), threaded hole (17) is located in the middle of first installation bonding surface (6), the middle of functional blade (2) is provided with via hole (18), via hole (18) is located in the middle of second installation bonding surface (8), locking piece (19) is bolt, the stud of bolt is threadedly connected with threaded hole (17) after penetrating via hole (18).

6. The machine clamped milling cutter capable of replacing different cutting edge milling cutter pieces according to claim 1, characterized in that: The top surface of functional blade (2) is also provided with second installation bonding surface (8), the bottom surface corner of functional blade (2) is also provided with blade edge (10), the blade edge (10) of the top surface corner of functional blade (2) is arranged in dislocation with the blade edge (10) of the bottom surface corner of functional blade (2).

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