A spiral chip flute chamfering milling cutter

Abstract

This utility model relates to the field of forming milling cutter technology, and discloses a spiral chip-removing groove chamfering forming milling cutter, including a chamfering cutter head. One end of the chamfering cutter head is connected to a milling cutter shank. The outer wall of the chamfering cutter head is provided with a disassembly mechanism for disassembling the milling cutter, and the interior of the chamfering cutter head is provided with an auxiliary mechanism for assisting in cooling the milling cutter. The disassembly mechanism includes two chip-removing grooves, both of which are formed on the outer wall of the chamfering cutter head. A chamfering insert is installed on one side of each of the two chip-removing grooves, and two fixing screws are installed inside the chamfering insert. This utility model allows the fixing screws on the chamfering inserts to be unscrewed, separating the fixing screws from the fixing grooves on the chamfering cutter head, thereby releasing the fixing of the chamfering inserts. This allows for the replacement of the chamfering inserts individually, eliminating the need to replace the entire milling cutter, thus improving practicality.

Description

Technical Field

[0001] This utility model relates to the field of forming milling cutter technology, specifically a spiral chip groove chamfering forming milling cutter. Background Technology

[0002] A chamfering form milling cutter is a specialized milling tool used for chamfering the edges of workpieces. Its core function is to create a chamfered surface with a specific angle and size in a single cutting operation, while also deburring and surface finishing. Bevel milling cutters belong to the category of forming tools; their cutting edge profile perfectly matches the target chamfer shape, machining bevels of standard or custom angles such as 45°, 60°, and 90° on the workpiece edge. They simultaneously remove burrs generated during machining, avoiding the need for secondary processing.

[0003] In existing technologies, such as the countersunk head chamfering integrated rapid prototyping drill and milling cutter disclosed in CN219402469U, a cutter head is provided. The cutter head has several spiral chip-removing grooves. Several side cutting edges are provided on the sides of the cutter head corresponding to the openings of the side chip-removing grooves. Several end-face cutting edges are provided on the end face of the cutter head corresponding to the openings of the end-face chip-removing grooves. A double-angle cutting edge is formed by the side cutting edges and the end-face cutting edges. Several cutting edge bands are provided on the end face of the cutter head. A shank is provided at the bottom of the cutter head, and the cutter head and shank are integrally formed. This multi-edge design at the cutter head, with the cutting edges on the end face and sides forming a double-angle cutting edge, ensures sharpness while maximizing support for the sidewalls of the cutter head. Furthermore, the cutting edge bands on the end face of the cutter head effectively disperse cutting forces during machining, improving machining efficiency.

[0004] Existing end mills employ a multi-edge design at the cutter head, with cutting edges on the end face and side forming a double-angled cutting edge. This ensures sharpness while maximizing support for the sidewalls of the cutter head. However, when the end mill inserts are damaged, the entire cutter must be replaced due to the inability to modularly assemble it, resulting in high costs. Utility Model Content

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0006] Given that the existing technology has the problem that the milling cutter cannot be modularly assembled during use, and that the entire milling cutter must be replaced when the cutting edge is damaged, resulting in high costs.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A spiral chip-removing groove chamfering milling cutter includes a chamfering cutter head, one end of which is connected to a milling cutter shank. The outer wall of the chamfering cutter head is provided with a disassembly mechanism for disassembling the milling cutter, and the interior of the chamfering cutter head is provided with an auxiliary mechanism for assisting in cooling the milling cutter.

[0009] The disassembly mechanism includes two chip removal grooves, both of which are located on the outer wall of the chamfering cutter head. A chamfering blade is installed on one side of each of the two chip removal grooves, and two fixing screws are installed inside the chamfering blade.

[0010] As a further improvement of this utility model, the ends of both fixing screws are threaded with fixing grooves formed on the chamfering head.

[0011] As a further improvement of this utility model, the chamfering cutter head is externally mounted with fixing bolts.

[0012] As a further embodiment of this utility model: the auxiliary mechanism includes a liquid storage cavity, which is opened inside the milling cutter shank, and a fixing member that is fixedly connected to the milling cutter shank is connected to one side of the liquid storage cavity.

[0013] As a further embodiment of this utility model: a heat-conducting rod is welded to one end of the fixing member, and a fixing hole is opened on the outer surface of the heat-conducting rod, and the fixing bolt is inserted into the fixing hole.

[0014] As a further improvement of this utility model: a heat-conducting plate is provided on one side of the liquid storage cavity and is fixedly connected to the milling cutter shank, and a heat pipe is welded to the inner surface of the heat-conducting plate.

[0015] As a further improvement of this utility model, heat sinks are fixed on the outer surface of the heat-conducting plate.

[0016] As a further improvement of this utility model, the outer surface of the milling cutter shank is provided with several anti-slip ridges.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. This utility model removes the fixing screws on the chamfering insert, separating the fixing screws from the fixing groove on the chamfering cutter head, thereby releasing the chamfering insert from its fixation. This allows the chamfering insert to be replaced individually, eliminating the need to replace the entire milling cutter and improving its practicality.

[0019] 2. This utility model uses the heat exchange liquid in the storage chamber to absorb the heat of the fixing component, and the heat pipe transfers the heat to the heat conduction plate. The heat is then dissipated into the outside air through the heat sink. When the chamfering head rotates, it will drive the heat sink to rotate simultaneously, thereby enabling the heat sink to dissipate heat better and playing an auxiliary role in cooling. Attached Figure Description

[0020] Figure 1 A three-dimensional structural diagram of a spiral chip-removing groove chamfering milling cutter;

[0021] Figure 2 This is a three-dimensional structural diagram of the chamfering head in a spiral chip-removing chamfering milling cutter;

[0022] Figure 3 A three-dimensional structural diagram of the cutter shank in a spiral chip flute chamfering milling cutter;

[0023] Figure 4 A schematic diagram of the internal structure of the cutter shank in a spiral chip-removing groove chamfering milling cutter;

[0024] Figure 5 This is a schematic diagram of the cross-sectional structure of the cutter shank in a spiral chip-removing chamfering milling cutter.

[0025] In the diagram: 1. Chamfering cutter head; 2. Milling cutter holder; 3. Chip removal groove; 31. Chamfering insert; 32. Fixing screw; 33. Fixing groove; 4. Fixing bolt; 5. Liquid storage chamber; 51. Fixing component; 52. Heat-conducting rod; 53. Fixing hole; 54. Heat-conducting plate; 55. Heat pipe; 56. Heat sink; 6. Anti-slip ridge. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments. Example 1

[0029] Please see Figures 1-5 This is the first embodiment of the present invention. This embodiment provides a spiral chip groove chamfering milling cutter, including a chamfering cutter head 1, one end of which is connected to a milling cutter shank 2. The outer wall of the chamfering cutter head 1 is provided with a disassembly mechanism for disassembling the milling cutter, and the interior of the chamfering cutter head 1 is provided with an auxiliary mechanism for cooling the milling cutter.

[0030] The disassembly mechanism includes a chip removal groove 3, and there are two chip removal grooves 3. Both chip removal grooves 3 are opened on the outer wall of the chamfering head 1. A chamfering blade 31 is installed on one side of each of the two chip removal grooves 3. Two fixing screws 32 are installed inside the chamfering blade 31.

[0031] Specifically, the ends of the two fixing screws 32 are threaded with fixing grooves 33 formed on the chamfering head 1.

[0032] Furthermore, the fixing screws 32 on the chamfering blade 31 can be unscrewed to release the chamfering blade 31 from its fixation, allowing the chamfering blade 31 to be replaced individually.

[0033] Specifically, the chamfering cutter head 1 is externally mounted with fixing bolts 4.

[0034] Furthermore, by unscrewing the fixing bolt 4 provided on the chamfering cutter head 1, the chamfering cutter head 1 and the milling cutter holder 2 can be disassembled.

[0035] In use, the milling cutter is connected and fixed to the output shaft of the drive device. By fixing the milling cutter holder 2 to the output shaft of the drive device, the device can drive the milling cutter holder 2 to rotate. The anti-slip ridges 6 on the surface of the milling cutter holder 2 provide a certain degree of anti-slip effect. When the milling cutter holder 2 rotates, it drives the chamfering head 1 to rotate, so that the chamfering insert 31 performs chamfering on the workpiece. The chip removal groove 3 on the chamfering head 1 can remove the waste chips generated during chamfering, making it convenient to use. When the chamfering insert 31 is damaged, the chamfering cutter can be replaced. Unscrew the fixing screw 32 on the blade 31 to separate the fixing screw 32 from the fixing groove 33 on the chamfering cutter head 1, thereby releasing the fixing of the chamfering cutter 31. This allows the chamfering cutter 31 to be replaced individually without replacing the entire milling cutter, improving practicality. Unscrew the fixing bolt 4 provided on the chamfering cutter head 1 to separate the fixing bolt 4 from the fixing hole 53 on the heat-conducting rod 52, thereby releasing the fixing of the chamfering cutter head 1. This allows the chamfering cutter head 1 to be disassembled from the milling cutter holder 2, facilitating the maintenance of the milling cutter.

[0036] In summary, when using this spiral chip-removing chamfering milling cutter, the fixing screw 32 on the chamfering insert 31 is unscrewed, causing the fixing screw 32 to separate from the fixing groove 33 on the chamfering cutter head 1, thus releasing the fixation of the chamfering insert 31. This allows the chamfering insert 31 to be replaced individually, eliminating the need to replace the entire milling cutter and improving its practicality. Example 2

[0037] Please see Figures 1-5 This is the second embodiment of the present utility model.

[0038] Specifically, the auxiliary mechanism includes a liquid storage chamber 5, which is located inside the milling cutter holder 2. A fixing member 51, which is fixedly connected to the milling cutter holder 2, is connected to one side of the liquid storage chamber 5. A heat-conducting rod 52 is welded to one end of the fixing member 51. A fixing hole 53 is provided on the outer surface of the heat-conducting rod 52. A fixing bolt 4 is inserted into the fixing hole 53.

[0039] Furthermore, the milling cutter holder 2 has a liquid storage chamber 5, and the liquid storage chamber 5 contains heat exchange fluid that can exchange heat.

[0040] Specifically, a heat-conducting plate 54 is provided on one side of the liquid storage cavity 5 and is fixedly connected to the milling cutter shank 2. A heat pipe 55 is welded to the inner surface of the heat-conducting plate 54.

[0041] Furthermore, the heat-conducting rod 52 can absorb the heat inside the chamfering head 1 and transfer the heat to the fixing member 51. The heat exchange liquid in the liquid storage chamber 5 absorbs the heat of the fixing member 51, while the heat pipe 55 transfers the heat to the heat-conducting plate 54.

[0042] Specifically, a heat sink 56 is fixed on the outer surface of the heat-conducting plate 54, and a number of anti-slip ridges 6 are provided on the outer surface of the milling cutter shank 2.

[0043] Furthermore, the heat is dissipated to the outside air through the heat sink 56, allowing the heat sink 56 to dissipate heat more effectively and play an auxiliary role in cooling.

[0044] In use, the milling cutter shank 2 has a liquid storage chamber 5 inside, and the liquid storage chamber 5 contains heat exchange fluid. When the chamfering cutter head 1 is machining the workpiece, the external coolant nozzle will spray coolant onto the chamfering cutter head 1. The heat conduction rod 52 can absorb the heat inside the chamfering cutter head 1 and transfer the heat to the fixing part 51. The heat exchange fluid in the liquid storage chamber 5 absorbs the heat of the fixing part 51, and the heat pipe 55 transfers the heat to the heat conduction plate 54. The heat is dissipated into the outside air through the heat sink 56. When the chamfering cutter head 1 rotates, it will drive the heat sink 56 to rotate synchronously, so that the heat sink 56 can dissipate heat better and play an auxiliary cooling role.

[0045] In summary, when using this spiral chip-removing chamfering milling cutter, the fixing screw 32 on the chamfering insert 31 is unscrewed, causing the fixing screw 32 to separate from the fixing groove 33 on the chamfering cutter head 1, thus releasing the fixation of the chamfering insert 31. This allows the chamfering insert 31 to be replaced individually, eliminating the need to replace the entire milling cutter, improving practicality. Furthermore, the heat exchange fluid in the liquid storage chamber 5 absorbs the heat from the fixing component 51, and the heat is dissipated to the outside air through the heat sink 56, thus playing an auxiliary role in cooling.

[0046] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0047] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0048] It should be understood that numerous specific implementation decisions can be made during the development of any actual implementation method, and in any engineering or design project. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0049] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A spiral chip flute chamfering milling cutter, comprising a chamfering cutter head (1), characterized in that: One end of the chamfering cutter head (1) is connected to the milling cutter shank (2). The outer wall of the chamfering cutter head (1) is provided with a disassembly mechanism for disassembling the milling cutter. The interior of the chamfering cutter head (1) is provided with an auxiliary mechanism for cooling the milling cutter. The disassembly mechanism includes a chip removal groove (3), and there are two chip removal grooves (3). Both chip removal grooves (3) are opened on the outer wall of the chamfering cutter head (1). A chamfering blade (31) is installed on one side of each of the two chip removal grooves (3). Two fixing screws (32) are installed inside the chamfering blade (31).

2. The spiral chip flute chamfering milling cutter according to claim 1, characterized in that: The ends of the two fixing screws (32) are threaded with fixing grooves (33) opened on the chamfering head (1).

3. A spiral chip flute chamfering milling cutter according to claim 2, characterized in that: The chamfering cutter head (1) is externally mounted with fixing bolts (4).

4. A spiral chip flute chamfering milling cutter according to claim 3, characterized in that: The auxiliary mechanism includes a liquid storage chamber (5), which is located inside the milling cutter shank (2). A fixing member (51) is connected to one side of the liquid storage chamber (5) and is fixedly connected to the milling cutter shank (2).

5. A spiral chip flute chamfering milling cutter according to claim 4, characterized in that: A heat-conducting rod (52) is welded to one end of the fixing member (51), and a fixing hole (53) is opened on the outer surface of the heat-conducting rod (52). The fixing bolt (4) is inserted into the fixing hole (53).

6. A spiral chip flute chamfering milling cutter according to claim 5, characterized in that: A heat-conducting plate (54) is provided on one side of the liquid storage chamber (5) and is fixedly connected to the milling cutter shank (2). A heat pipe (55) is welded to the inner surface of the heat-conducting plate (54).

7. A spiral chip flute chamfering milling cutter according to claim 6, characterized in that: Heat sinks (56) are fixed on the outer surface of the heat-conducting plate (54).

8. A spiral chip flute chamfering milling cutter according to claim 7, characterized in that: The outer surface of the milling cutter holder (2) is provided with several anti-slip ridges (6).

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