Integrally-formed combined disc milling cutter welded with hard alloy
By designing an integrated modular disc milling cutter, the problem of low machining efficiency in multi-hole shapes was solved, achieving high-precision and high-efficiency machining results and avoiding tool marks and vibration marks.
Patent Information
- Application Number
- CN202422591854.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-10-25
AI Technical Summary
When machining multi-hole products, existing milling cutters suffer from low machining efficiency due to insufficient workstations on the equipment, and the process of machining in separate steps or on separate machines is prone to producing tool marks and vibration marks.
Design a welded carbide integral molding composite disc milling cutter, including a first, second and third disc milling cutter that can be detachably arranged sequentially along the axial direction of the cutter shank to form an integral molding composite structure, with multiple cutting edges and staggered tooth arrangement, suitable for machine tool spindle connection.
It improves machining accuracy and efficiency, reduces costs, avoids tool marks and vibration marks, and achieves efficient completion of multi-hole machining.
Smart Images
Figure CN223476396U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cutting tool technology, and in particular to a welded carbide integral forming combined disc milling cutter. Background Technology
[0002] A milling cutter is a rotating cutting tool with one or more cutting teeth used for milling. Milling cutters are widely used in the machining process. With the cooperation of different machining equipment and fixtures, they can machine any part of the workpiece to meet the product's process requirements.
[0003] Most milling cutters on the market are designed for separate processing, including milling end faces, steps, grooves, or forming mills. They are common and easy to design, process, and program, making them easy for programmers to learn and operate. However, as product requirements become more demanding and the types of holes to be processed increase, when the existing equipment does not have enough workstations to accommodate more cutters to meet the processing requirements, it is necessary to use two or more machines or purchase new equipment with more tool positions for processing. This results in low processing efficiency, and the problems of tool marks and vibration marks are easily generated after processing in separate processes or on separate machines. Currently, no effective solution has been proposed. Utility Model Content
[0004] Purpose of the utility model: To provide a welded carbide integral forming combined disc milling cutter, so as to at least solve one of the problems existing in the prior art.
[0005] Technical solution: A welded carbide integral forming composite disc milling cutter, comprising:
[0006] Handle;
[0007] The first milling cutter is connected to one end of the tool holder;
[0008] A second disc milling cutter is disposed adjacent to the first disc milling cutter on the tool holder; and
[0009] The third disc milling cutter is disposed adjacent to the second disc milling cutter on the tool holder;
[0010] The first disc milling cutter, the second disc milling cutter, and the third disc milling cutter are detachably mounted on one end of the tool holder along the axial direction of the tool holder and in a preset order to form an integrally formed composite disc milling cutter.
[0011] Preferably, the tool holder is connected to the machine tool spindle.
[0012] Preferably, the outer end face of the third end mill is provided with a locking member that is connected to the tool holder.
[0013] Preferably, the inner holes of the first disc milling cutter, the second disc milling cutter, and the third disc milling cutter are respectively clearance-fitted with the tool holder.
[0014] Preferably, the first disc milling cutter has a plurality of first cutting edges evenly arranged along its circumference, the second disc milling cutter has a plurality of second cutting edges evenly arranged along its circumference, and the third disc milling cutter has a plurality of third cutting edges evenly arranged along its circumference.
[0015] Preferably, the third cutting edge forms a first radial angle with the first cutting edge, and the third cutting edge forms a second radial angle with the second cutting edge, so as to stagger the cutting.
[0016] Preferably, the angle of the first included angle is smaller than the angle of the second included angle.
[0017] Preferably, the cutting edges of the first cutting edge and the third cutting edge are arranged in an alternating tooth pattern.
[0018] Preferably, the inner holes of the first disc milling cutter, the second disc milling cutter, and the third disc milling cutter are each provided with a double pin groove.
[0019] Preferably, the first and third disc milling cutters are provided with a plurality of through slots along their circumference.
[0020] Beneficial Effects: In this embodiment, an integrally formed combined disc milling cutter is adopted. The first disc milling cutter, the second disc milling cutter, and the third disc milling cutter are detachably arranged along the axial direction of the cutter holder and in a preset order at one end of the cutter holder to form an integrally formed combined disc milling cutter. This achieves the purpose of forming multiple disc milling cutters in one piece, thereby realizing the technical effects of improving machining accuracy, machining efficiency, machining quality, and reducing machining costs. Furthermore, it solves the technical problem that as product requirements become more demanding and the types of holes to be machined become more numerous, when there are no extra workstations on the existing equipment to accommodate more cutters to meet the machining requirements, it is necessary to use two or more machines or purchase new equipment with more tool positions to process the cutters, resulting in low machining efficiency and the easy generation of tool marks and vibration marks after processing in separate processes or on separate machines. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the planar structure of the welded carbide integral molding combined disc milling cutter of this utility model;
[0022] Figure 2 This is a schematic diagram of the planar structure of another welded carbide integrally formed combined disc milling cutter of this utility model; and
[0023] Figure 3This is a left view of the welded carbide integral molding combined disc milling cutter of this utility model.
[0024] The attached figures are labeled as follows:
[0025] 10. Knife handle;
[0026] 20. First milling cutter; 201. First cutting edge;
[0027] 30. Second end mill; 301. Second cutting edge;
[0028] 40. Third face mill; 401. Third cutting edge;
[0029] 50. Locking components;
[0030] 60. Double pin groove; 70. Through groove;
[0031] a) First included angle; b) Second included angle. Detailed Implementation
[0032] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.
[0033] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0034] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.
[0035] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.
[0036] like Figure 1-3 As shown, this application relates to a welded carbide integrally formed composite disc milling cutter. As Figure 1 As shown, the welded carbide integral molding combination milling cutter includes: a tool holder 10; the tool holder 10 refers to the tool shank, which can achieve good clamping and fixing effect, thereby achieving good cooperation with other components, and thus providing a foundation and guarantee for subsequent precise cutting.
[0037] The first disc milling cutter 20 is connected to one end of the tool holder 10; it can achieve a good assembly effect, thereby ensuring easy assembly and disassembly. In this application, the first disc milling cutter 20 is a disc milling cutter for milling the upper end face.
[0038] The second disc milling cutter 30 is disposed adjacent to the first disc milling cutter 20 on the tool holder 10; it enables the second disc milling cutter 30 and the first disc milling cutter 20 to be well assembled on the tool holder 10, thereby providing a guarantee for subsequent cutting. In this application, the second disc milling cutter 30 is a disc milling cutter for milling intermediate shapes.
[0039] The third disc milling cutter 40 is disposed adjacent to the second disc milling cutter 30 on the tool holder 10; it enables the third disc milling cutter 40 and the second disc milling cutter 30 to be well assembled on the tool holder 10, thereby providing a guarantee for subsequent cutting. In this application, the third disc milling cutter 40 is a disc milling cutter for milling the lower end face.
[0040] The first disc milling cutter 20, the second disc milling cutter 30, and the third disc milling cutter 40 are detachably and sequentially arranged along the axial direction of the tool holder 10 and in a preset order at one end of the tool holder 10 to form an integrally formed composite disc milling cutter. By arranging the third disc milling cutter 40, the second disc milling cutter 30, and the first disc milling cutter 20 sequentially from left to right in the horizontal direction at one end of the tool holder 10, a good assembly and forming effect can be ensured; at the same time, the detachable arrangement can facilitate replacement, thereby improving the service life.
[0041] As can be seen from the above description, this application achieves the following technical effects:
[0042] In this embodiment, an integrally formed combined disc milling cutter is adopted. The first disc milling cutter 20, the second disc milling cutter 30, and the third disc milling cutter 40 are detachably arranged along the axial direction of the tool holder 10 and in a preset order at one end of the tool holder 10 to form an integrally formed combined disc milling cutter. This achieves the purpose of integrally forming multiple disc milling cutters, thereby realizing the technical effects of improving machining accuracy, machining efficiency, machining quality, and reducing machining costs. It also solves the technical problem that as product requirements become more demanding and the number of hole shapes in the machined parts increases, when there are no extra workstations on the existing equipment to accommodate more tools to meet the machining requirements, it is necessary to use two or more machines or purchase new equipment with more tool positions to process the parts, resulting in low machining efficiency and easy generation of tool marks and vibration marks after processing in separate processes or on separate machines.
[0043] Furthermore, the tool holder 10 is connected to the machine tool spindle. This allows for a good fit with the machine tool, thus ensuring precise subsequent cutting.
[0044] Furthermore, the outer end face of the third disc milling cutter 40 is provided with a locking member 50 connected to the tool holder 10. It is understood that this ensures a good locking effect, thereby ensuring that the disc milling cutters are in a stable state. Preferably, the locking member 50 can be a locking nut; this provides an easy-to-implement and convenient-to-operate effect.
[0045] Furthermore, the inner holes of the first disc milling cutter 20, the second disc milling cutter 30, and the third disc milling cutter 40 are respectively clearance-fitted with the tool holder 10. This ensures a good fit.
[0046] Preferably, the clearance fit uses an H7 / h6 fit between the inner hole and the shaft. It's important to know that H7 indicates the tolerance grade of the hole. H7 is defined as the lower limit size of the hole being the basic size, while the upper limit size has a certain positive tolerance. Therefore, the actual size of the hole is always equal to or greater than the reference size.
[0047] h6: Indicates the tolerance grade of the shaft. h6 is defined as the upper limit dimension of the shaft being equal to the datum dimension, while the lower limit dimension has a certain negative tolerance. Therefore, the actual size of the shaft is always equal to or less than the datum dimension.
[0048] Clearance fit: H7 / h6 produces a small clearance, which provides good assembly accuracy and disassembly, while still ensuring smooth operation between mechanical parts within a certain temperature range.
[0049] like Figure 2As shown, the first disc milling cutter 20 has a plurality of first cutting edges 201 evenly arranged along its circumference, the second disc milling cutter 30 has a plurality of second cutting edges 301 evenly arranged along its circumference, and the third disc milling cutter 40 has a plurality of third cutting edges 401 evenly arranged along its circumference. It can be understood that this ensures good cutting performance, and at the same time, the cutting edge forms a complete cutting edge size, guaranteeing the integrity and consistency of the machining process.
[0050] like Figure 3 As shown, the third cutting edge 401 forms a first radial angle α with the first cutting edge 201, and the third cutting edge 401 forms a second radial angle b with the second cutting edge 301, so as to stagger the cutting. It can be understood that by forming the first angle α and the second angle b respectively, the cutting can be staggered, thereby greatly reducing the cutting resistance.
[0051] Furthermore, the angle 'a' of the first included angle is smaller than the angle 'b' of the second included angle. This, understandably, ensures a good cutting effect.
[0052] Furthermore, the cutting edges of the first cutting edge 201 and the third cutting edge 401 are arranged in an alternating tooth pattern. This allows for the dispersion of cutting force: due to the alternating arrangement of the cutting edges, the cutting force can be distributed across different teeth, avoiding concentration at the same location, thereby reducing wear and pressure on a single cutting edge and extending tool life.
[0053] Improved cutting efficiency: The staggered tooth design helps each cutting tooth cut the material separately, reducing the load of each cut, improving cutting efficiency, and making the cutting process smoother;
[0054] Reduce vibration and friction: The staggered arrangement helps to reduce the vibration and friction generated during the cutting process, making the cutting process smoother and the noise lower, which is especially suitable for machining hard or easily deformable materials;
[0055] Optimized chip removal: The staggered design of the toothed teeth can effectively improve the removal of cutting chips, reduce the risk of chip accumulation or jamming, and improve the surface quality of the machined surface.
[0056] Furthermore, the inner holes of the first disc milling cutter 20, the second disc milling cutter 30, and the third disc milling cutter 40 are each provided with a double-sided pin groove 60. It can be understood that by providing two square pins within each double-sided pin groove 60, the effect of increasing the transmitted torque can be achieved.
[0057] A double-groove 60 refers to two opposing locating grooves machined on the inner wall of the milling cutter, typically engaging with locating pins on the machine spindle, mounting base, or other transmission components. The function of the grooves is to provide additional mechanical fixation, preventing the milling cutter from sliding or rotating relative to each other due to rotational torque.
[0058] When the inner bore of each disc milling cutter mates with the mounting shaft, the two pin slots 60 engage with the pins on the shaft, ensuring that the milling cutter can not only be precisely installed along the spindle, but also maintain a fixed direction of rotation, thus reducing assembly errors.
[0059] Preferably, the shear angle of the staggered teeth is ±5°.
[0060] Furthermore, the first disc milling cutter 20 and the third disc milling cutter 40 are respectively provided with a plurality of through slots 70 along their circumference. It can be understood that by reducing the weight of the disc milling cutter with a larger diameter for milling the upper end face, i.e., the first disc milling cutter 20, and the disc milling cutter for milling the lower end face, i.e., the third disc milling cutter 40, the cutting resistance is reduced.
[0061] Furthermore, the tool holder 10 is cylindrical. This allows for good rotation, thus ensuring precise cutting control.
[0062] Furthermore, the first and third disc milling cutters 20 and 40 have the same diameter, while the second disc milling cutter 30 has a smaller diameter than the first disc milling cutter 20. This, understandably, ensures good machining results.
[0063] This utility model also has the following beneficial effects:
[0064] This application enables one-time machining of parts without the need for tool changes or complicated programming; the three individual disc milling cutters, namely the first disc milling cutter 20, the second disc milling cutter 30, and the third disc milling cutter 40, can all be replaced individually, saving costs.
[0065] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various equivalent transformations can be made to the technical solutions of the present invention, and all such equivalent transformations fall within the protection scope of the present invention.
Claims
1. A welded carbide integrally formed composite disc milling cutter, characterized in that, include: Handle; The first milling cutter is connected to one end of the tool holder; The second disc milling cutter is disposed adjacent to the first disc milling cutter on the tool holder; and The third disc milling cutter is disposed adjacent to the second disc milling cutter on the tool holder; The first disc milling cutter, the second disc milling cutter, and the third disc milling cutter are detachably mounted on one end of the tool holder along the axial direction of the tool holder and in a preset order to form an integrally formed composite disc milling cutter.
2. The welded carbide integral forming combined disc milling cutter according to claim 1, characterized in that, The tool holder is connected to the machine tool spindle.
3. The welded carbide integral forming combined disc milling cutter according to claim 1, characterized in that, The outer end face of the third end mill is provided with a locking element that is connected to the tool holder.
4. The welded carbide integral forming combined disc milling cutter according to claim 1, characterized in that, The inner holes of the first disc milling cutter, the second disc milling cutter, and the third disc milling cutter are respectively clearance-fitted with the tool holder.
5. The welded carbide integral forming combined disc milling cutter according to claim 1, characterized in that, The first disc milling cutter has a plurality of first cutting edges evenly arranged along its circumference, the second disc milling cutter has a plurality of second cutting edges evenly arranged along its circumference, and the third disc milling cutter has a plurality of third cutting edges evenly arranged along its circumference.
6. The welded carbide integral forming combined disc milling cutter according to claim 5, characterized in that, The third cutting edge forms a first radial angle with the first cutting edge, and the third cutting edge forms a second radial angle with the second cutting edge, so as to stagger the cutting.
7. The welded carbide integral forming combined disc milling cutter according to claim 6, characterized in that, The angle of the first included angle is smaller than the angle of the second included angle.
8. The welded carbide integral forming combined disc milling cutter according to claim 5, characterized in that, The first cutting edge and the third cutting edge have staggered tooth arrangements.
9. The welded carbide integral forming combined disc milling cutter according to claim 1, characterized in that, The inner holes of the first disc milling cutter, the second disc milling cutter, and the third disc milling cutter are each provided with a double pin groove.
10. The welded carbide integral forming combined disc milling cutter according to claim 1, characterized in that, The first and third disc milling cutters each have several through slots along their circumference.