Multipurpose milling cutter
By designing a multi-purpose milling cutter that integrates peripheral cutting edge, end teeth, and chisel cutting edge, the problem of traditional milling cutters being unable to process multiple parts is solved, improving processing efficiency and reducing costs. At the same time, chip removal is optimized, enabling efficient processing of multiple parts of the workpiece.
Patent Information
- Application Number
- CN202423227183.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Traditional milling cutters have a single function and cannot simultaneously process the grooves, sides, and ends of a workpiece, resulting in low efficiency and increased tool usage costs.
Design a multi-purpose milling cutter, comprising a shank, an arc-shaped transition section, and a cutter body. The cutter body has six peripheral cutting edges spaced at equal angles on its outer periphery, and six end teeth spaced at equal angles on its end face. The connection between the peripheral cutting edges and the end teeth is provided with an R angle. The cutting groove and tooth groove are designed to facilitate chip removal, and the chisel edge is used to stabilize the cutting force.
It enables efficient machining of multiple parts of the workpiece, reduces tool changing steps, improves machining efficiency, reduces tool costs, and avoids chip build-up by using R-angle design, thus enhancing chip removal.
Smart Images
Figure CN223801625U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cutter technical field especially is a kind of multipurpose milling cutter. BACKGROUND
[0002] Milling cutter is the rotary cutter for milling processing, with one or more cutter teeth.Working each cutter tooth cuts the excess of workpiece intermittently in turn.
[0003] Traditional milling cutter tool function is relatively single, cannot use one cutter to complete recess, side surface, end surface and round corner, need to change tool when processing multiple parts of workpiece, not only inefficient, and increase the use cost of tool. INVENTION CONTENTS
[0004] The utility model aims at providing a technical scheme to solve the above problems.
[0005] A kind of multipurpose milling cutter, including shank, arc transition part and tool body, tool body is located at one end of shank, arc transition part is located between shank and tool body;Wherein, the outer periphery of tool body is equipped with six right-handed peripheral edges, each peripheral edge is distributed at equal angle, six end teeth of equal angle interval are arranged on the end surface of tool body, two end teeth not adjacent are connected with horizontal edge, six end teeth are connected with six peripheral edges respectively, each peripheral edge is equipped with side tooth, and the junction of peripheral edge and side tooth is equipped with R angle.
[0006] As a further scheme of the utility model: two peripheral edges adjacent are equipped with edge groove, two end teeth adjacent are equipped with tooth groove communicated with edge groove.
[0007] As a further scheme of the utility model: the groove wall of tooth groove and edge groove is arc, and the width of tooth groove gradually increases from inside to outside.
[0008] As a further scheme of the utility model: the included angle between the two sides of arc transition part is 30 °.
[0009] As a further scheme of the utility model: the helix angle of peripheral edge is 25 °.
[0010] As a further scheme of the utility model: the rake angle of peripheral edge is 4 °, and the first relief angle of peripheral edge is 10 °.
[0011] As a further scheme of the utility model: each side tooth has tooth rake face and tooth relief face, the first relief angle of tooth rake face is 8 °, the second relief angle of tooth rake face is 15 °, the first relief angle of tooth relief face is 8 °, and the second relief angle of tooth relief face is 18 °.
[0012] As a further aspect of the present application: each end tooth has a cutting surface and a chip surface, the included angle between the cutting surface of any end tooth and the chip surface of another end tooth adjacent thereto is 40-45 degrees, and the included angle between the cutting surfaces of the two end teeth connected with the cross blade is 180 degrees.
[0013] Compared with the prior art, the present application has the following beneficial effects:
[0014] 1. The end tooth, the peripheral edge and the side tooth are arranged to machine the groove, the side surface and the end surface of the workpiece, so that the tool changing step is omitted, the machining efficiency of the product is greatly improved, and the tool cost is saved.
[0015] 2. The R angle is arranged to round the corners of the workpiece, thereby increasing the practicability, and the design of the R angle also enables the peripheral edge and the side tooth to smoothly transition, so that the accumulation of chips or the sharp included angle between the front peripheral edge and the side tooth is avoided to cause the accumulation of chips, thereby enabling the chips to be smoothly discharged.
[0016] 3. The cross blade is arranged to ensure the cutting force of the end surface and mill the workpiece flat.
[0017] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0019] Figure 1 is a structural schematic diagram of the present application.
[0020] Figure 2 is a structural schematic diagram of the peripheral edge part of the present application.
[0021] Figure 3 is a structural schematic diagram of the side tooth part of the present application.
[0022] Figure 4 is a structural schematic diagram of the peripheral edge part of the present application.
[0023] Figure 5 is Figure 4 the enlarged view of A in the figure.
[0024] Figure 6It is the tooth front face part structure schematic diagram of the utility model.
[0025] Figure 7 It is the tooth back face part structure schematic diagram of the utility model.
[0026] Figure 8 It is the end tooth part structure schematic diagram of the utility model.
[0027] Figure 9 It is the web part structure schematic diagram of the utility model.
[0028] In the drawing: 1, handle, 2, arc transition part, 3, cutter body, 4, peripheral edge, 5, end tooth, 6, side tooth, 7, R angle, 8, blade groove, 9, tooth groove, 10, tooth front face, 11, tooth back face, 12, cutting face, 13, chip removal face, 14, web. DETAILED DESCRIPTION
[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below, 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 the person skilled in the art without creative labor belong to the scope of protection of the utility model.
[0030] Please refer to Figures 1-9 In the embodiments of the utility model, a multipurpose milling cutter includes handle 1, arc transition part 2 and cutter body 3, cutter body 3 is arranged at one end of handle 1, and arc transition part 2 is arranged between handle 1 and cutter body 3. Wherein, the outer periphery of cutter body 3 is provided with six right-handed peripheral edges 4, each peripheral edge 4 is distributed at equal angles, and six end teeth 5 are arranged at equal angles on the end face of cutter body 3. The two non-adjacent end teeth 5 are connected by web 14, and each peripheral edge 4 is provided with side tooth 6, and the connection between peripheral edge 4 and side tooth 6 is provided with R angle 7.
[0031] The peripheral edge 4 of the milling cutter is used for machining the side face of the workpiece in use, the end tooth 5 is used for machining the end face of the workpiece in use, the web 14 arranged between the two non-adjacent end teeth 5 can ensure the cutting force of the end face of the milling cutter and mill the end face of the workpiece flat, the side tooth 6 is used for machining the groove of the side face of the workpiece in use, and the R angle 7 is used for rounding the workpiece in use. The design of R angle 7 also makes the smooth transition of peripheral edge 4 and side tooth 6, so as to avoid the existence of dead angle or sharp angle between the front peripheral edge 4 and side tooth 6, which causes the accumulation of chips. Thus, the chips are discharged more smoothly. The setting of arc transition part 2 enhances the stability of the connection between handle 1 and cutter body 3.
[0032] The two adjacent peripheral edges 4 are provided with a blade groove 8, and the two adjacent end teeth 5 are provided with a tooth groove 9 communicated with the blade groove 8. The cutting chips generated during machining of the workpiece can be discharged through the blade groove 8 and the tooth groove 9, so as to avoid winding of the cutting chips on the milling cutter or blocking of the machining area, thereby improving machining efficiency and surface quality. The groove walls of the tooth groove 9 and the blade groove 8 are in arc shape, and the width of the tooth groove 9 gradually increases from inside to outside. The cutting chips are guided outward during milling, so as to optimize the chip removal effect of the milling cutter and make the chip removal more smooth.
[0033] The included angle a between the two side edges of the arc-shaped transition part 2 is 30°.
[0034] The helix angle of the peripheral edge 4 is 25°.
[0035] The rake angle b of the peripheral edge 4 is 4°, and the first relief angle c of the peripheral edge 4 is 10°.
[0036] Each side tooth 6 has a tooth rake face 10 and a tooth relief face 11, the first relief angle d of the tooth rake face 10 is 8°, the second relief angle e of the tooth rake face 10 is 15°, the first relief angle f of the tooth relief face 11 is 8°, and the second relief angle g of the tooth relief face 11 is 18°.
[0037] Each end tooth 5 has a cutting face 12 and a chip removal face 13, the included angle h between the cutting face 12 of any end tooth 5 and the chip removal face 13 of the other end tooth 5 adjacent to the any end tooth 5 is 40°-45°, and the included angle i between the cutting faces 12 of the two end teeth 5 connected with the cross edge 14 is 180°.
[0038] The length of the milling cutter is 42mm, the length of the cutter body 3 is 3.5mm, the diameter of the cutter handle 1 is 6mm, the diameter of the circle where the peripheral edge 4 is located is 4.25mm, and the diameter of the circle where the side tooth 6 is located is 4.9mm.
[0039] Through reasonable size setting, the milling cutter is more smooth during cutting, the dimensional accuracy and cutting efficiency are improved, the cutting chips are prevented from adhering to the milling cutter, the workpiece surface is smoother, and the cutting edge is effectively prevented from breaking, thereby prolonging the service life.
[0040] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.
Claims
1. A multi-purpose milling cutter, characterized by, The tool body is arranged at one end of the tool handle, and the arc-shaped transition part is arranged between the tool handle and the tool body; The outer periphery of the tool body is provided with six right-handed peripheral edges, each of which is distributed at an equal angle, and the end surface of the tool body is provided with six end teeth arranged at an equal angle, two non-adjacent end teeth being connected by a horizontal edge, the six end teeth being connected with the six peripheral edges respectively, each peripheral edge being provided with a side tooth, and the connection between the peripheral edge and the side tooth being provided with an R angle.
2. A multi-purpose milling cutter according to claim 1, wherein: Two adjacent peripheral edges are provided with an edge groove, and two adjacent end teeth are provided with a tooth groove communicating with the edge groove.
3. A multi-purpose milling cutter according to claim 2, wherein: The groove walls of the tooth groove and the edge groove are arc-shaped, and the width of the tooth groove gradually increases from inside to outside.
4. The multi-purpose milling cutter according to claim 1, wherein: The included angle between the two side edges of the arc-shaped transition part is 30°.
5. The multi-purpose milling cutter according to claim 1, wherein: The helix angle of the peripheral edge is 25°.
6. The multi-purpose milling cutter according to claim 1, wherein: The rake angle of the peripheral edge is 4°, and the first relief angle of the peripheral edge is 10°.
7. The multi-purpose milling cutter according to claim 1, wherein: Each side tooth has a rake surface and a relief surface, the first relief angle of the rake surface is 8°, the second relief angle of the rake surface is 15°, the first relief angle of the relief surface is 8°, and the second relief angle of the relief surface is 18°.
8. The multi-purpose milling cutter according to claim 1, wherein: Each end tooth has a cutting surface and a chip surface, the included angle between the cutting surface of any end tooth and the chip surface of another end tooth adjacent thereto is 40°-45°, and the included angle between the cutting surfaces of two end teeth connected with the horizontal edge is 180°.