Combined v-shaped milling cutter
The design of the modular V-shaped end mill solves the problem that traditional end mills cannot have their cutting heads replaced individually, thus enabling convenient cutting head replacement and cost reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU SHUANGSHILI PRECISION TOOL CO LTD
- Filing Date
- 2025-08-22
- Publication Date
- 2026-07-31
AI Technical Summary
Traditional V-groove end mills use an integrated design for the cutting part and the tool holder, which means that the tool tip cannot be replaced separately when it is worn or damaged, resulting in material waste and increased operating costs.
Design a combined V-shaped end mill with a circular mounting shank, a semi-circular cylinder, and a load-bearing structure. Combined with a limiting component and a locking component, the square alloy end mill can be detachably connected. When a single cutting edge is worn or damaged, it can be rotated 90° to use a new cutting edge. When all the cutting edges are worn, the entire end mill can be replaced.
This eliminates the need to replace the entire milling cutter when a single cutting edge wears or is damaged, extending the lifespan of the cutter head and significantly reducing operating costs.
Smart Images
Figure CN224574746U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of milling cutter technology, and in particular to a combined V-shaped milling cutter. Background Technology
[0002] In the field of V-groove machining, milling is the mainstream process, and end mills are the primary milling cutters used. Among them, single-edge V-groove forming end mills are widely used due to their suitability for high-efficiency and high-precision machining requirements. This type of end mill consists of a cutting part, a tool holder part, and auxiliary functional structures, each with a clearly defined function: the auxiliary functional structures include chip evacuation grooves and tool coatings to improve chip removal efficiency and tool life; the cutting part consists of a forming cutting edge, a rake face, a flank face, and a cutting tip, which is the core for achieving precise V-groove forming.
[0003] Regarding the aforementioned technologies, the inventors discovered that traditional end mills for V-groove machining have significant drawbacks: their cutting part and tool holder are designed as an integrated structure. When the tool head, which is the core working component, is worn or damaged, it is impossible to replace the tool head separately. Instead, the entire tool must be scrapped and replaced, which not only causes a large waste of materials but also significantly increases the actual production cost. Utility Model Content
[0004] The main technical problem solved by this utility model is to provide a combined V-shaped milling cutter, in which the worn or damaged square alloy cutter head is easy to replace, thus reducing the cost of use.
[0005] To solve the above-mentioned technical problems, the present invention provides a combined V-shaped milling cutter, characterized in that it includes: a circular mounting shank, one end of which is connected to a semi-circular cylinder, the end of which away from the circular mounting shank is provided with a V-shaped groove, a square alloy cutter head is provided in the V-shaped groove, the upper plane of the square alloy cutter head is flush with the upper plane of the semi-circular cylinder, and a bearing part is connected to the outer end of the semi-circular cylinder, the bearing part being connected to the square alloy cutter head;
[0006] It also includes a limiting component and a locking component. The limiting component is adapted to prevent the square alloy cutter head from sliding relative to the inner wall of the V-shaped groove. The square alloy cutter head is detachably connected to the semi-circular column or the support part through the locking component.
[0007] By adopting the above technical solution, the combined V-shaped end mill is clamped in a milling machine, which drives its synchronous rotation and movement. During the process, the inclined cutting edge of the square alloy cutter head contacts the workpiece to complete the V-groove milling. When a single cutting edge of the square alloy cutter head wears or is damaged, the locking and limiting components can be operated sequentially to disassemble the square alloy cutter head and rotate it 90° to activate a new cutting edge for continued milling. Once all four cutting edges of the square alloy cutter head are worn or damaged, a new square alloy cutter head can be replaced. This design avoids the need to replace the entire combined V-shaped end mill after cutting edge failure, effectively reducing operating costs.
[0008] In a preferred embodiment, the present invention can be further configured such that: the limiting component includes a square hole disposed at the center of the square alloy cutter head, a square limiting block is disposed in the square hole, the square limiting block is connected to the semi-circular cylinder and the bearing part respectively, and the end of the square limiting block away from the semi-circular cylinder is flush with the outer surface of the square alloy cutter head.
[0009] By adopting the above technical solution, when installing the square alloy cutter head, its built-in square hole is fitted onto the square limiting block. The square limiting block precisely limits the cutter head, ensuring that the single cutting edge of the cutter head can be stably in the inclined milling state, thus meeting the V-groove machining requirements.
[0010] In a preferred embodiment, the present invention can be further configured such that: the locking assembly includes four rectangular arrays of countersunk holes arranged on a square alloy cutter head, each countersunk hole having a screw inserted therein, and the screws being spirally inserted onto a semi-circular cylinder or a support portion.
[0011] By adopting the above technical solution, a screw is inserted into the countersunk hole of the square alloy cutter head. The screw is spirally inserted into the semi-circular cylinder or the support part, thereby fixing the square alloy cutter head to the semi-circular cylinder and the support part, achieving the purpose of locking.
[0012] In a preferred embodiment, the present invention can be further configured such that the circular mounting handle, the semi-circular column, and the supporting part are an integrated structural design.
[0013] By adopting the above technical solutions, the structural strength was enhanced and the processing difficulty was reduced.
[0014] In a preferred embodiment, the present invention can be further configured such that the outer end face of the bearing portion is flush with the two side lines of the square alloy cutter head.
[0015] By adopting the above technical solution, since the outer end face of the support part is flush with the two side lines of the square alloy cutter head, the projection of the cutting edge of the square alloy cutter head is located outside the support part, and the projection of the cutting edge is completely located outside the support part. In this way, when the cutting edge of the square alloy cutter head mills the V-groove, the semi-circular cylinder can avoid interference with the workpiece to be processed, ensuring smooth processing.
[0016] In a preferred embodiment, the present invention can be further configured such that triangular reinforcing ribs are spaced apart at the connection between the circular mounting handle and the semi-circular cylinder.
[0017] By adopting the above technical solution, the triangular reinforcing ribs are connected to the circular mounting shank and the semi-circular column respectively, which increases the torsional strength of the semi-circular column and extends the service life of the combined V-shaped end mill.
[0018] In summary, this utility model has at least one of the following beneficial technical effects:
[0019] This modular V-cutting cutter is easy to use, allowing for quick V-groove milling after clamping. When the cutting edge wears or is damaged, there's no need to replace the entire cutter; simply operate the locking and limiting components, disassemble the cutter head, and rotate it 90° to activate a new cutting edge. All four cutting edges can be used sequentially, significantly extending the lifespan of a single cutter head. This design avoids the need for complete cutter replacement due to partial cutting edge failure, significantly reducing tooling costs. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:
[0021] Figure 1 This is a schematic diagram of a preferred embodiment of a combined V-shaped milling cutter according to the present invention.
[0022] Figure 2 This is an exploded view of this utility model.
[0023] In the diagram: 1. Circular mounting shank; 2. Semi-circular cylinder; 3. V-shaped groove; 4. Square alloy cutting tip;
[0024] 5. Bearing component; 60. Limiting component; 70. Locking component; 8. Triangular reinforcing rib;
[0025] 61. Square hole; 62. Square limiting block;
[0026] 71. Countersunk hole; 72. Screw. Detailed Implementation
[0027] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.
[0028] It should be noted that these figures are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.
[0029] Reference Figures 1-2 This utility model discloses a combined V-shaped milling cutter, characterized in that it includes: a circular mounting shank 1, one end of which is connected to a semi-circular cylinder 2, the end of the semi-circular cylinder 2 away from the circular mounting shank 1 is provided with a V-shaped groove 3, a square alloy cutter head 4 is provided in the V-shaped groove 3, the upper surface of the square alloy cutter head 4 is flush with the upper surface of the semi-circular cylinder 2, and a bearing part 5 is connected to the outer end of the semi-circular cylinder 2, the bearing part 5 is connected to the square alloy cutter head 4.
[0030] It also includes a limiting component 60 and a locking component 70. The limiting component 60 is adapted to prevent the square alloy cutter head 4 from sliding relative to the inner wall of the V-shaped groove 3. The square alloy cutter head 4 is detachably connected to the semi-circular column 2 or the support part 5 through the locking component 70.
[0031] The limiting component 60 includes a square hole 61 located at the center of the square alloy cutter head 4. A square limiting block 62 is provided inside the square hole 61. The square limiting block 62 is connected to the semi-circular cylinder 2 and the supporting part 5, respectively. The end of the square limiting block 62 away from the semi-circular cylinder 2 is flush with the outer surface of the square alloy cutter head 4. When installing the square alloy cutter head 4, its own square hole 61 is fitted onto the square limiting block 62. The square limiting block 62 precisely limits the cutter head, ensuring that the single cutting edge of the cutter head can be stably in an inclined milling state to meet the requirements of V-groove machining.
[0032] The locking assembly 70 includes four rectangular arrays of countersunk holes 71 on the square alloy cutter head 4. Screws 72 are threaded through each countersunk hole 71 and screwed onto the semi-circular cylinder 2 or the support portion 5. The screws 72 threaded through the countersunk holes 71 on the square alloy cutter head 4 and screwed onto the semi-circular cylinder 2 or the support portion 5, thereby fixing the square alloy cutter head 4 to the semi-circular cylinder 2 and the support portion 5, achieving the purpose of locking.
[0033] The circular mounting handle 1, the semi-circular column 2, and the supporting part 5 are designed as an integrated structure. This enhances the structural strength and reduces the difficulty of processing.
[0034] The outer end face of the support portion 5 is flush with the two side lines of the square alloy cutter head 4. Because the outer end face of the support portion 5 is flush with the two side lines of the square alloy cutter head 4, the projection of the cutting edge of the square alloy cutter head 4 is located outside the support portion 5, and the projection of the cutting edge is completely outside the support portion 5. In this way, when the cutting edge of the square alloy cutter head 4 mills a V-groove, the semi-circular cylinder 2 can avoid interference with the workpiece, ensuring smooth machining.
[0035] Triangular reinforcing ribs 8 are spaced apart at the connection between the circular mounting shank 1 and the semi-circular cylinder 2. The triangular reinforcing ribs 8 are connected to the circular mounting shank 1 and the semi-circular cylinder 2 respectively, which increases the torsional strength of the semi-circular cylinder 2 and extends the service life of the combined V-shaped end mill.
[0036] The implementation principle of this embodiment is as follows: In use, the combined V-shaped end mill is clamped in a milling machine, which drives it to rotate and move synchronously. During the process, the inclined cutting edge of the square alloy cutter head 4 contacts the workpiece to complete the V-groove milling. When a single cutting edge of the square alloy cutter head 4 is worn or damaged, the locking component 70 and the limiting component 60 can be operated in sequence to disassemble the square alloy cutter head 4 and rotate it 90° to activate a new cutting edge for continuing milling. After all four cutting edges of the square alloy cutter head 4 are worn or damaged, a new square alloy cutter head 4 can be replaced. This design avoids the need to replace the entire combined V-shaped end mill after the cutting edge fails, effectively reducing the cost of use.
[0037] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A modular V-cutter characterized in that, include: A circular mounting handle (1) is provided. One end of the circular mounting handle (1) is connected to a semi-circular column (2). The end of the semi-circular column (2) away from the circular mounting handle (1) is provided with a V-shaped groove (3). A square alloy cutter head (4) is provided in the V-shaped groove (3). The upper surface of the square alloy cutter head (4) is flush with the upper surface of the semi-circular column (2). The outer end of the semi-circular column (2) is connected to a bearing part (5). The bearing part (5) is connected to the square alloy cutter head (4). It also includes a limiting component (60) and a locking component (70), the limiting component (60) being adapted to prevent the square alloy cutter head (4) from sliding relative to the inner wall of the V-shaped groove (3), the square alloy cutter head (4) being detachably connected to the semi-circular column (2) or the support part (5) via the locking component (70).
2. The modular V-cutter according to claim 1, wherein, The limiting component (60) includes a square hole (61) located at the center of the square alloy cutter head (4). A square limiting block (62) is provided in the square hole (61). The square limiting block (62) is connected to the semi-circular cylinder (2) and the bearing part (5) respectively. The end of the square limiting block (62) away from the semi-circular cylinder (2) is flush with the outer surface of the square alloy cutter head (4).
3. The modular V-cutter of claim 1, wherein, The locking assembly (70) includes four rectangular arrays of countersunk holes (71) arranged on a square alloy cutter head (4), and screws (72) are respectively inserted into the countersunk holes (71). The screws (72) are spirally inserted into the semi-circular cylinder (2) or the bearing part (5).
4. The modular V-cutter of claim 1, wherein, The circular mounting handle (1), the semi-circular column (2), and the supporting part (5) are designed as an integrated structure.
5. The modular V-cutter of claim 1, wherein, The outer end face of the bearing part (5) is flush with the two side lines of the square alloy cutter head (4).
6. The modular V-cutter of claim 1, wherein, The circular mounting handle (1) and the semi-circular cylinder (2) are connected at intervals with triangular reinforcing ribs (8).