Coarse and fine combined disc-shaped indexable forming gear milling cutter
By designing a disc-shaped milling tool with a two-sided conical table structure, combined with the use of rough milling and fine milling cutters, the problems of different accuracy in different machining stages are solved, and efficient and precise machining effects are achieved.
Patent Information
- Application Number
- CN202420965734.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-01-24
- Filing Date
- 2024-05-07
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-05-07
AI Technical Summary
In the prior art, the disc milling cutter blades used in different processing stages of machining workpieces have different accuracy, making it difficult to take into account both machining efficiency and accuracy.
A rough and fine composite disc-shaped indexable milling tooth tool is designed. The tool body is a two-sided conical table structure, and the top edge blade groove and the side edge blade groove are set. The blade is divided into rough milling blade and fine milling blade, and the processing of different precisions is achieved through the combination of blades of different heights.
It realizes efficient machining at different processing stages, and quickly removes the margin through rough milling cutters. The fine milling cutters are used for light repair and forming, which improves machining accuracy and efficiency and extends the service life of the tool.
Smart Images

Figure CN222767362U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of milling cutters, in particular to a rough and fine composite disc-shaped indexable forming milling cutter. Background Art
[0002] Installing one blade or one type of blade on a traditional disc milling cutter can achieve consistent processing of gears. With the improvement of gear milling technology, different blades can be installed on one cutter disc to achieve processing. This type of cutter disc can achieve efficient gear milling and quickly remove the excess in the rough machining stage. When the excess is small, fine milling is performed on one side. Only one of the fine milling blades needs to be replaced. This blade is about 0.02mm higher than the rough milling blade and is consistent with the required tooth profile curve. Through the high-speed fine milling cutting of this blade and the cutting of the remaining rough milling blades, the gear fine milling is achieved to meet the requirements of finishing and fine milling. Utility Model Content
[0003] The utility model aims to provide a disc-shaped indexable forming milling tool for roughing and finishing, so as to solve the problem of different precision of disc milling cutter blades used in different processing stages of a workpiece proposed in the above background technology.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A rough and fine composite disc-shaped indexable forming milling gear cutter comprises a cutter body 1, a top edge blade slot 2, a side edge blade slot 3, a mounting hole 4, a top edge blade 5, a side edge blade 6 and a cutter pad 7. The cutter body 1 is a two-sided frustum structure. The top edge blade slot 2 and the side edge blade slot 3 are arranged at staggered teeth and equal intervals on both sides of the cutter body 1. The top edge blade slot 2 is installed with a top edge blade 5, the side edge blade slot 3 is installed with a side edge blade 6, and a cutter pad 7 is also provided between the side edge blade 6 and the cutter body 1.
[0006] The middle hole of the blade body 1 is the mounting hole 4;
[0007] The top blade 5 is distributed along the edge circumference of the cutter body 1, and the side blade 6 is arranged on the conical surface of the cutter body 1. An equal number of blades are arranged on both sides of the cutter body 1; blades are arranged at different heights of the cutter body, and different groove surfaces with different depths are processed. The same blades are arranged on both sides of the cutter body 1, and the blade on one side can be replaced for use on the other side after being scrapped, thereby increasing the use time of a disc milling cutter and reducing costs.
[0008] At least one blade on each height circumference of the top blade 5 and the inner blade 6 of the cutter body 1 is a finishing blade; a roughing blade and a finishing blade are arranged on one height circumference, the roughing blade quickly cuts off the excess during processing, and the finishing blade is used for processing at places with high precision requirements, and the gear finishing processing is achieved through high-speed finishing milling cutting and cutting by the remaining roughing blades.
[0009] The finishing milling blade is 0.01mm-0.03mm higher than the roughing milling blade, and the blade is consistent with the required tooth profile curve.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] The cutter body of the milling cutter disc of the utility model is in the shape of a truncated cone on both sides. By arranging a circle of blades at different heights on the truncated cone surface, processing of different grooves with different depth requirements can be achieved. At least one fine milling blade is arranged in a circle of blades. During processing, the fine milling blade and the rough milling blade work together. The rough milling blade quickly cuts off the excess, and the fine milling blade finishes and shapes, thereby achieving high-precision requirements for the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the knife body structure of the utility model;
[0013] Figure 2 This is one of the overall structural diagrams of the utility model;
[0014] Figure 3 This is the second schematic diagram of the overall structure of the utility model;
[0015] Figure 4 It is a schematic diagram of the side plane structure of the utility model;
[0016] Figure 5 This is a schematic diagram of the top blade structure of the utility model;
[0017] Figure 6 This is a schematic diagram of the side edge blade structure of the utility model.
[0018] In the figure: 1. cutter body; 2. top blade slot; 3. side blade slot; 4. mounting hole; 5. top blade; 6. side blade; 7. cutter pad. DETAILED DESCRIPTION
[0019] In order to clarify the technical problems, technical solutions, implementation processes and performance demonstrations, the utility model is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are for explanation only. The utility model is not intended to limit the utility model. Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same figure numbers in the drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the drawings, the drawings do not have to be drawn to scale unless otherwise specified.
[0020] The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.
[0021] In addition, in order to better illustrate the present disclosure, numerous specific details are given in the following specific embodiments. It should be understood by those skilled in the art that the present disclosure can also be implemented without certain specific details. In some examples, methods, means, components and circuits well known to those skilled in the art are not described in detail in order to highlight the subject matter of the present disclosure.
[0022] like Figure 1-Figure 6 As shown, a rough and fine composite disc-shaped indexable forming milling gear cutter comprises a cutter body 1, a top edge blade slot 2, a side edge blade slot 3, a mounting hole 4, a top edge blade 5, a side edge blade 6 and a cutter pad 7. The cutter body 1 is a two-sided frustum structure, and the top edge blade slots 2 and the side edge blade slots 3 are arranged at staggered teeth and equal intervals on both sides of the cutter body 1. The top edge blade slot 2 is installed with a top edge blade 5, the side edge blade slot 3 is installed with a side edge blade 6, and a cutter pad 7 is also provided between the side edge blade 6 and the cutter body 1.
[0023] The middle hole of the blade body 1 is the mounting hole 4 .
[0024] The top blade 5 is distributed along the edge circumference of the cutter body 1, and the side blade 6 is arranged on the conical surface of the cutter body 1. An equal number of blades are arranged on both sides of the cutter body 1; blades are arranged at different heights of the cutter body, and different groove surfaces with different depths are processed. The same blades are arranged on both sides of the cutter body 1, and the blade on one side can be replaced for use on the other side after being scrapped, thereby increasing the use time of a disc milling cutter and reducing costs.
[0025] At least one blade on each height circumference of the top blade 5 and the inner blade 6 of the cutter body 1 is a finishing blade; a roughing blade and a finishing blade are arranged on a height circumference. During processing, the roughing blade quickly cuts off the excess, and the finishing blade is used for high-precision processing such as finishing and forming. The gear finishing processing is achieved through high-speed finishing milling and cutting by the remaining roughing blades.
[0026] The finishing milling blade is 0.01mm-0.03mm higher than the roughing milling blade, and the blade is consistent with the required tooth profile curve.
[0027] When in use, it is installed on the machine tool shaft through the mounting hole 4, and a certain height tool on the cutter body 1 is adjusted to use. The tool at one height includes multiple rough milling blades and at least one fine milling blade. The rough milling blade quickly cuts off the excess during processing, and the fine milling blade is used for processing at places with high precision requirements. The gear fine milling processing is achieved through high-speed fine milling cutting and cutting by the remaining rough milling blades, and the processing is achieved by using tools of different precision at different stages.
[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A disc-shaped indexable forming milling tool for rough and fine composite, characterized in that: The invention comprises a cutter body (1), a top blade groove (2), a side blade groove (3), a mounting hole (4), a top blade (5), a side blade (6) and a cutter pad (7); the cutter body (1) is a two-sided truncated cone structure; the top blade groove (2) and the side blade groove (3) are arranged on both sides of the cutter body (1) with staggered teeth and equal spacing; the top blade (5) is installed in the top blade groove (2); the side blade (6) is installed in the side blade groove (3); and a cutter pad (7) is provided between the side blade (6) and the cutter body (1).
2. The disc-shaped indexable forming gear milling tool with a rough and fine composite function according to claim 1, characterized in that: The middle hole position of the knife body (1) is the mounting hole (4).
3. The disc-shaped indexable forming gear milling tool with a rough and fine composite function according to claim 1, characterized in that: The knife body (1) is in the shape of a truncated cone on both sides, the top blades (5) are distributed along the circumference of the edge of the knife body (1), the side blades (6) are arranged on the conical surface of the knife body (1), and the same number of blades are arranged on both sides of the knife body (1).
4. The disc-shaped indexable forming gear milling tool with a rough and fine composite function according to claim 1, characterized in that: At least one blade on each height circumference of the top blade (5) and the side blade (6) of the cutter body (1) is a finishing milling blade.
5. The disc-shaped indexable forming gear milling tool with a rough and fine composite function according to claim 4, characterized in that: The finishing milling blade is 0.01 mm to 0.03 mm higher than the roughing milling blade.