Double-edge ball head milling cutter for aluminum

Abstract

The utility model relates to the field of milling cutters, in particular to a double-edge ball head milling cutter for aluminum, which comprises a milling machine shaft and a cutter rest, the cutter rest is sleeved on the outer side of the milling machine shaft, the lower end of the cutter rest is connected with a cutter handle, the lower end of the cutter handle is connected with a cutter head, and the double-edge ball head milling cutter further comprises a protective heat dissipation assembly and a protective heat dissipation adjusting assembly. Through the use of the protection heat dissipation assembly and the protection heat dissipation adjusting assembly, the position of the protection plate can be conveniently adjusted according to requirements, when the milling machine shaft is static, the protection plate is arranged at the vertical position to protect the tool bit of the double-edge ball-end milling cutter, and when the milling machine shaft needs to rotate, the protection plate is adjusted to the horizontal position to protect the tool bit of the double-edge ball-end milling cutter. The double-edged ball-end milling cutter rotates along with rotation of the milling machine shaft, wind power can be generated during rotation, the effect of the wind power is equivalent to that of a fan, and therefore auxiliary heat dissipation of the double-edged ball-end milling cutter head is achieved.

Description

Technical Field

[0001] The utility model relates to the field of milling cutters, in particular to a double-edged ball-end aluminum milling cutter. Background Art

[0002] A milling cutter is a rotating tool with one or more teeth used for milling. When working, each tooth cuts off the excess of the workpiece intermittently in sequence.

[0003] Existing double-edged ball end mills often do not have a protective structure. When not in use, the cutter head of the milling cutter is directly exposed to the outside world, which may cause harm to personnel. In addition, existing double-edged ball end mills lack heat dissipation measures. When working for a long time, the cutter head is often damaged due to excessive temperature.

[0004] Therefore, those skilled in the art provide a double-edged ball-end aluminum milling cutter to solve the problems raised in the above background technology. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a double-edged ball-end aluminum milling cutter.

[0006] The invention comprises a milling machine shaft and a tool holder, wherein the tool holder is sleeved on the outer side of the milling machine shaft, a tool handle is connected to the lower end of the tool holder, and a tool head is connected to the lower end of the tool handle.

[0007] A protective heat dissipation component, wherein the protective heat dissipation component is connected to the outer side of the tool holder;

[0008] A protective heat dissipation adjustment component, wherein the protective heat dissipation adjustment component is connected to the outer side of the tool holder;

[0009] The protective heat dissipation assembly includes a first rotation limit seat and a second rotation limit seat, the first rotation limit seat and the second rotation limit seat are both connected to the outside of the tool holder, an adjustment shaft is rotatably connected between the first rotation limit seat and the second rotation limit seat, and a connecting adjustment sleeve is provided on the outer fixed sleeve of the adjusting shaft, and a protective plate is connected to the lower end of the connecting adjustment sleeve.

[0010] Preferably, the protective heat dissipation adjustment component includes a driving worm gear, which is fixedly sleeved on the outside of the adjustment shaft, and the outside of the tool holder is connected to a driving frame, the inside of the driving frame is rotatably connected to a driving worm, and the driving worm gear is meshingly connected to the driving worm.

[0011] Preferably, the driving frame is arranged in a U shape, and a driving turntable is connected to the outer side of the driving frame, and the driving turntable is connected to one end of the driving worm.

[0012] Preferably, the connection adjustment sleeves are symmetrically provided in two groups on the outer side of the adjustment shaft, and the driving worm gear is connected between the two groups of the connection adjustment sleeves.

[0013] Preferably, four groups of the protective heat dissipation components and the protective heat dissipation adjustment components are arranged at equal intervals on the outside of the tool holder, and the protective plate is arranged in an arc shape.

[0014] Preferably, the outer side of the milling machine shaft is connected with an external thread, the upper end of the tool holder is connected with a mounting groove, the inner wall of the mounting groove is provided with an internal thread, and the milling machine shaft is threadedly sleeved inside the tool holder.

[0015] Technical effects and advantages of the utility model:

[0016] The utility model is improved in practicability when in use.

[0017] By using the protective heat dissipation component and the protective heat dissipation adjustment component, it is convenient to adjust the position of the protective plate according to needs. When the milling machine shaft is stationary, the protective plate is placed in a vertical position to protect the cutter head of the double-edged ball end milling cutter. When the milling machine shaft needs to rotate, the protective plate is adjusted to a horizontal position and rotates with the rotation of the milling machine shaft. The rotation generates wind force, which acts like a fan, thereby achieving auxiliary heat dissipation of the double-edged ball end milling cutter head. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of a double-edged ball-end aluminum milling cutter provided in an embodiment of the present application;

[0019] Figure 2 It is a side sectional view of a double-edged ball-end aluminum milling cutter provided in an embodiment of the present application;

[0020] Figure 3 for Figure 1 A partial enlarged schematic diagram of part A;

[0021] In the figure:

[0022] 1. Milling machine shaft, 2. Tool holder, 3. Tool handle, 4. Tool head, 5. Protective heat dissipation component, 6. Protective heat dissipation adjustment component, 7. First rotation limit seat, 8. Second rotation limit seat, 9. Adjustment shaft, 10. Connecting adjustment sleeve, 11. Protective plate, 12. Driving worm gear, 13. Driving frame, 14. Driving worm, 15. Driving turntable, 16. External thread, 17. Mounting groove, 18. Internal thread. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0024] Example 1

[0025] See also Figures 1 to 3 In this embodiment, a double-edged ball-end aluminum milling cutter is provided, comprising a milling machine shaft 1 and a tool holder 2, wherein the tool holder 2 is sleeved on the outer side of the milling machine shaft 1, a tool handle 3 is connected to the lower end of the tool holder 2, a tool head 4 is connected to the lower end of the tool handle 3, and further comprising

[0026] A protective heat dissipation component 5, wherein the protective heat dissipation component 5 is connected to the outer side of the tool holder 2;

[0027] A protective heat dissipation adjustment component 6, wherein the protective heat dissipation adjustment component 6 is connected to the outer side of the tool holder 2;

[0028] The protective heat dissipation assembly 5 includes a first rotation limit seat 7 and a second rotation limit seat 8, both of which are connected to the outside of the tool holder 2, an adjustment shaft 9 is rotatably connected between the first rotation limit seat 7 and the second rotation limit seat 8, and a connecting adjustment sleeve 10 is provided on the outer fixed sleeve of the adjusting shaft 9, and a protective plate 11 is connected to the lower end of the connecting adjustment sleeve 10.

[0029] Preferably, the protective heat dissipation adjustment component 6 includes a driving worm gear 12, which is fixedly sleeved on the outside of the adjustment shaft 9, and the outside of the tool holder 2 is connected to a driving frame 13, and the internal rotation of the driving frame 13 is connected to a driving worm 14, and the driving worm gear 12 is meshingly connected to the driving worm 14.

[0030] Preferably, the driving frame 13 is U-shaped, and a driving turntable 15 is connected to the outer side of the driving frame 13 . The driving turntable 15 is connected to one end of the driving worm 14 .

[0031] Preferably, two groups of the connection adjustment sleeves 10 are symmetrically provided on the outer side of the adjustment shaft 9 , and the driving worm gear 12 is connected between the two groups of the connection adjustment sleeves 10 .

[0032] Preferably, four groups of the protective heat dissipation components 5 and the protective heat dissipation adjustment components 6 are arranged at equal intervals on the outer side of the tool holder 2, and the protective plate 11 is arranged in an arc shape.

[0033] Preferably, the outer side of the milling machine shaft 1 is connected with an external thread 16, the upper end of the tool holder 2 is connected with a mounting groove 17, the inner wall of the mounting groove 17 is provided with an internal thread 18, and the milling machine shaft 1 is threadedly sleeved inside the tool holder 2.

[0034] Before using the utility model, firstly, the tool holder 2 is installed on the outside of the milling machine shaft 1 through the external thread 16, the mounting groove 17, and the internal thread 18;

[0035] When the utility model is used, when the double-edged ball end milling cutter is not in use, the driving turntable 15 is rotated clockwise, the driving turntable 15 drives the driving worm 14 to rotate, the driving worm 14 drives the adjusting shaft 9 to rotate through the driving worm wheel 12, and the adjusting shaft 9 drives the protective plate 11 to rotate through the connecting adjusting sleeve 10, so that the protective plate 11 is in a vertical position to protect the cutter head 4;

[0036] When the cutter head 4 is needed, the driving turntable 15 is rotated counterclockwise, the protective plate 11 is in a horizontal position, and the milling machine shaft 1 of the milling machine is started. When the tool holder 2 is rotated clockwise and inserted into the outer side of the milling machine shaft 1, the milling machine shaft 1 rotates counterclockwise to ensure that the tool holder 2 will not detach from the milling machine shaft 1. When the milling machine shaft 1 rotates, the protective plate 11 will be driven to rotate. At this time, the rotation of multiple groups 11 will generate wind force to assist in heat dissipation of the cutter head 4.

[0037] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A double-edged ball-end aluminum milling cutter, comprising a milling machine shaft (1) and a tool holder (2), wherein the tool holder (2) is sleeved on the outer side of the milling machine shaft (1), a tool handle (3) is connected to the lower end of the tool holder (2), and a tool head (4) is connected to the lower end of the tool handle (3), wherein: Also includes A protective heat dissipation component (5), wherein the protective heat dissipation component (5) is connected to the outer side of the blade holder (2); A protective heat dissipation adjustment component (6), wherein the protective heat dissipation adjustment component (6) is connected to the outer side of the tool holder (2); The protective heat dissipation assembly (5) comprises a first rotation limit seat (7) and a second rotation limit seat (8), the first rotation limit seat (7) and the second rotation limit seat (8) are both connected to the outer side of the tool holder (2), an adjustment shaft (9) is rotatably connected between the first rotation limit seat (7) and the second rotation limit seat (8), and a connecting adjustment sleeve (10) is provided on the outer fixed sleeve of the adjusting shaft (9), and a protective plate (11) is connected to the lower end of the connecting adjustment sleeve (10).

2. A double-edged ball-end aluminum milling cutter according to claim 1, characterized in that: The protective heat dissipation adjustment component (6) comprises a driving worm gear (12), the driving worm gear (12) is fixedly sleeved on the outer side of the adjustment shaft (9), the outer side of the tool holder (2) is connected to a driving frame (13), the inner side of the driving frame (13) is rotatably connected to a driving worm (14), and the driving worm gear (12) is meshingly connected to the driving worm (14).

3. A double-edged ball-end aluminum milling cutter according to claim 2, characterized in that: The driving frame (13) is arranged in a U shape, and a driving rotating disk (15) is connected to the outer side of the driving frame (13), and the driving rotating disk (15) is connected to one end of the driving worm (14).

4. A double-edged ball-end aluminum milling cutter according to claim 2, characterized in that: The connection adjustment sleeves (10) are symmetrically arranged in two groups on the outer side of the adjustment shaft (9), and the driving worm gear (12) is connected between the two groups of the connection adjustment sleeves (10).

5. A double-edged ball-end aluminum milling cutter according to claim 1, characterized in that: The protective heat dissipation components (5) and the protective heat dissipation adjustment components (6) are arranged in four groups at equal intervals on the outside of the tool holder (2), and the protective plate (11) is arranged in an arc shape.

6. A double-edged ball-end aluminum milling cutter according to claim 1, characterized in that: The outer side of the milling machine shaft (1) is connected with an external thread (16), the upper end of the tool holder (2) is connected with a mounting groove (17), the inner wall of the mounting groove (17) is provided with an internal thread (18), and the milling machine shaft (1) is threadedly sleeved inside the tool holder (2).

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