Novel anti-vibration milling cutter

Abstract

The utility model discloses a novel anti -seismic milling cutter. This novel anti -seismic milling cutter includes: shock -absorbing female head, shock -absorbing male head, chuck and tool body, the middle shaft body upper end of the locating shaft of shock -absorbing female head is connected with the upper installation end head and lower end is connected with the lower limit end head, the center hole equal diameter shaft sleeve of energy storage spare is connected with the middle shaft body, the lower locating surface of installation end head is connected with the upper end surface of energy storage spare and the upper locating surface of locating ring is connected with the lower end surface, the recess seal of locating ring's center hole equal diameter shaft sleeve connection middle shaft body, shock -absorbing male head is installed in the damping cavity of chuck upper end surface and is fixedly connected with lower limit end head, chuck lower end connects tool body upper end, when tool body cutting, shock -absorbing male head and energy storage spare carry out double -end high damping, make milling cutter high anti -seismic. The utility model has the effect of excellent shock attenuation, tool stable processing, high yield, long life.

Description

Technical Field

[0001] This utility model relates to the field of metal cutting, and in particular to a novel anti-vibration milling cutter. Background Technology

[0002] Milling cutters are cutting tools commonly used on milling machines or machining centers to perform milling operations. Milling cutter vibration is a common problem in the machining process. The problems are as follows: First, milling cutter vibration affects the accuracy of hole machining, causing parts to be scrapped, and also reduces tool life; Second, milling cutter vibration is transmitted to the entire machine, affecting the entire machine and reducing the overall machining accuracy and lifespan. Utility Model Content

[0003] To address one or more of the aforementioned problems, this utility model provides a novel anti-vibration milling cutter.

[0004] According to one aspect of the present invention, the novel anti-vibration end mill includes: a vibration-damping female end mill, a vibration-damping male end mill, a collet, and a cutter body;

[0005] The damping head includes a positioning shaft, an energy storage component, and a positioning ring. The upper end of the intermediate shaft of the positioning shaft is connected to the upper mounting end and the lower end is connected to the lower limit end. The upper end of the upper mounting end is fixedly connected to the rotational power source and the lower end is the positioning plane. The center hole of the energy storage component is connected to the intermediate shaft with a uniform diameter bushing. The upper end face of the energy storage component is attached to the lower positioning surface of the mounting end and the lower end face is attached to the upper positioning surface of the positioning ring. The positioning ring is fixedly connected to the upper end of the clamp and its groove on the upper end face of the clamp seals to form a damping cavity. The center hole of the positioning ring is connected to the intermediate shaft with a uniform diameter bushing.

[0006] The damping male connector is an elastic damping component. The damping male connector is installed in the damping cavity on the upper surface of the clamp and is fixedly connected to the lower limit end. A small damping gap is set between the lower limit end and the lower wall of the damping cavity.

[0007] The lower end of the collet is connected to the upper end of the cutter body. When the cutter body is cutting, the shock-absorbing male head and the energy storage component provide high damping at both ends, making the milling cutter highly resistant to vibration.

[0008] This new type of anti-vibration end mill has excellent vibration reduction performance. Its beneficial effects are: firstly, it enables stable tool processing, high hole processing accuracy, high part yield, and long tool life; secondly, it avoids the impact of vibration on the whole machine, making the overall machine processing accuracy stable and lifespan long.

[0009] In some implementations, the shock-absorbing male is a cylindrical nylon shock-absorbing pad or a tetrafluoroethylene shock-absorbing pad.

[0010] In some embodiments, the lower end of the shock-absorbing pad is provided with a limiting groove of the same diameter as the lower limiting end, the upper end of the limiting groove is a central shaft hole, the height of the lower limiting end is lower than the height of the limiting groove, and the lower limiting end is sleeved in the limiting groove and slides up and down along the limiting groove.

[0011] In some implementations, the height of the lower limit end is 0-5mm lower than the height of the limit groove, i.e., the damping gap is 0-5mm.

[0012] In some implementations, the upper end of the intermediate shaft of the positioning shaft is detachably screwed to the upper mounting end, and the lower end is integrally connected to the lower limit end.

[0013] In some implementations, the energy storage element is a disc spring; or the energy storage element is a plurality of disc springs connected in series.

[0014] In some embodiments, the lower end of the positioning ring is integrally connected to the lower connecting ring, the outer peripheral wall of the damping cavity is a plug-in ring, the plug-in ring is interference-fitted to the lower connecting ring and the two are laser-welded together.

[0015] In some embodiments, the clamping hole at the lower end of the chuck is interference-clamped to the upper end of the tool body and fixedly connected by a lateral pin.

[0016] Alternatively, the clamping hole at the lower end of the chuck can be integrated with the upper end of the knife body.

[0017] In some embodiments, the lower limit end is annular, the upper mounting end is annular, and the diameter of the upper mounting end is larger than the diameter of the lower limit end.

[0018] In some implementations, the upper mounting end and the rotational power source are detachably connected via threaded connections. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of a novel anti-vibration milling cutter according to one embodiment of the present invention;

[0020] Figure 2 for Figure 1 The figure shown is a front view schematic diagram of a novel anti-vibration end mill;

[0021] Figure 3 for Figure 2 A cross-sectional schematic diagram of a novel anti-vibration milling cutter is shown.

[0022] Shock absorber head 1, positioning shaft 11, intermediate shaft body 110, upper mounting end 111, lower limit end 112, energy storage component 12, positioning ring 13, lower connecting end ring 131;

[0023] Shock-absorbing male connector 2, limiting groove 20;

[0024] 3 clamps, 30 damping chambers, and 31 insertion rings;

[0025] Knife body 4. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to the directions in the accompanying drawings, while the terms "inner" and "outer" refer to the directions toward or away from the geometric center of a specific component, respectively.

[0027] Figures 1 to 3 A novel anti-vibration end mill is schematically shown according to one embodiment of the present invention. As shown in the figure, the novel anti-vibration end mill includes: a vibration-damping female end mill 1, a vibration-damping male end mill 2, a collet 3, and a cutter body 4;

[0028] The damping head 1 includes a positioning shaft 11, an energy storage element 12, and a positioning ring 13. The upper end of the intermediate shaft body 110 of the positioning shaft 11 is connected to the upper mounting end 111, and the lower end is connected to the lower limiting end 112. The upper mounting end 111 is fixedly connected to a rotational power source at its upper end, and its lower end is a positioning plane. The center hole of the energy storage element 12 is connected to the intermediate shaft body 110 by a uniform diameter bushing. The upper end face of the energy storage element 12 is in contact with the lower positioning surface of the mounting end 111, and the lower end face is in contact with the upper positioning surface of the positioning ring 13. The energy storage element 12 is preferably a disc spring; or the energy storage element 12 is preferably a plurality of disc springs connected in series.

[0029] The positioning ring 13 is fixedly connected to the upper end of the chuck 3 and forms a damping cavity 30 by sealing the groove on the upper end face of the chuck 3. The center hole of the positioning ring 13 is connected to the intermediate shaft 110 by a bushing of equal diameter.

[0030] The damping male connector 2 is an elastic damping component. The damping male connector 2 is installed in the damping cavity 30 on the upper end face of the clamp 3 and is fixedly connected to the lower limit end 112. The lower limit end 112 and the lower wall of the damping cavity 30 are provided with a small damping gap.

[0031] The lower end of the collet 3 is connected to the upper end of the cutter body 4. When the cutter body 4 is cutting, the shock-absorbing male head 2 and the energy storage component 12 provide double-end high damping, making the milling cutter highly resistant to vibration.

[0032] This new type of anti-vibration end mill has excellent vibration reduction performance. Its beneficial effects are: firstly, it enables stable tool processing, high hole processing accuracy, high part yield, and long tool life; secondly, it avoids the impact of vibration on the whole machine, making the overall machine processing accuracy stable and lifespan long.

[0033] Furthermore, the shock-absorbing male connector 2 is a cylindrical nylon or PTFE shock-absorbing pad. Its beneficial effect is that this design provides high shock absorption performance.

[0034] Preferably, the lower end of the damping pad has a limiting groove 20 with the same diameter as the lower limiting end 112. The upper end of the limiting groove 20 is a central shaft hole. The height of the lower limiting end 112 is lower than the height of the limiting groove 20. The lower limiting end 112 is fitted with a bushing of the same diameter within the limiting groove 20 and slides up and down along the limiting groove 20. Preferably, the height of the lower limiting end 112 is 0-5mm lower than the height of the limiting groove 20, i.e., the damping spacing is 0-5mm. The beneficial effect is that this setting ensures the accuracy of damping.

[0035] Furthermore, the upper end of the intermediate shaft 110 of the positioning shaft 11 is detachably and spirally connected to the upper mounting end 111, and the lower end is integrally connected to the lower limit end 112. The advantage of this design is that it facilitates installation.

[0036] Furthermore, the lower end of the positioning ring 13 is integrally connected to the lower connecting ring 131, and the outer peripheral wall of the damping cavity 30 is a plug-in ring 31. The plug-in ring 31 is interference-fitted to the lower connecting ring 131, and the two are laser-welded together. The advantages are: this setup offers high installation accuracy and high overall structural strength.

[0037] Furthermore, the clamping hole at the lower end of the chuck 3 is interference-fitted to the upper end of the tool body 4 and fixedly connected by a lateral pin; or the clamping hole at the lower end of the chuck 3 is integrally connected to the upper end of the tool body 4. Preferably, the lower limit end 112 is annular, the upper mounting end 111 is annular, and the diameter of the upper mounting end 111 is larger than the diameter of the lower limit end 112. Furthermore, the upper mounting end 111 and the rotation power source are detachably connected by a threaded component. Its advantages are: this setting is biased towards installation, resulting in high installation accuracy.

[0038] The above are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. A novel anti-vibration end mill, characterized in that, Includes: a shock-absorbing female head (1), a shock-absorbing male head (2), a chuck (3), and a blade body (4); The damping head (1) includes a positioning shaft (11), an energy storage component (12), and a positioning ring (13). The upper end of the intermediate shaft body (110) of the positioning shaft (11) is connected to the upper mounting end (111) and the lower end is connected to the lower limit end (112). The upper end of the upper mounting end (111) is fixedly connected to a rotational power source and the lower end is a positioning plane. The center hole of the energy storage component (12) is connected to the intermediate shaft body (110) with an equal diameter bushing. The upper end face of the energy storage component (12) is attached to the lower positioning surface of the mounting end (111) and the lower end face is attached to the upper positioning surface of the positioning ring (13). The positioning ring (13) is fixedly connected to the upper end of the clamp (3) and it and the groove of the upper end face of the clamp (3) are sealed to form a damping cavity (30). The center hole of the positioning ring (13) is connected to the intermediate shaft body (110) with an equal diameter bushing. The damping male connector (2) is an elastic damping component. The damping male connector (2) is installed in the damping cavity (30) on the upper end face of the clamp (3) and is fixedly connected to the lower limit end (112). The lower limit end (112) and the lower wall of the damping cavity (30) are provided with a small damping distance. The lower end of the collet (3) is connected to the upper end of the cutter body (4). When the cutter body (4) is cutting, the shock-absorbing male head (2) and the energy storage component (12) provide double-end high damping, making the milling cutter highly resistant to vibration.

2. The novel anti-vibration end mill according to claim 1, characterized in that, The shock-absorbing male head (2) is a cylindrical nylon shock-absorbing pad or a tetrafluoroethylene shock-absorbing pad.

3. The novel anti-vibration end mill according to claim 2, characterized in that, The lower end of the shock-absorbing pad is provided with a limiting groove (20) of the same diameter as the lower limiting end (112). The upper end of the limiting groove (20) is a central shaft hole. The height of the lower limiting end (112) is lower than the height of the limiting groove (20). The lower limiting end (112) is sleeved in the limiting groove (20) and slides up and down along the limiting groove (20).

4. A novel anti-vibration end mill according to claim 3, characterized in that, The height of the lower limit end (112) is 0-5mm lower than the height of the limit groove (20), that is, the damping distance is 0-5mm.

5. A novel anti-vibration end mill according to claim 3, characterized in that, The upper end of the intermediate shaft (110) of the positioning shaft (11) is detachably connected to the upper mounting end (111) by a spiral, and the lower end is integrally connected to the lower limit end (112).

6. A novel anti-vibration end mill according to claim 1, characterized in that, The energy storage element (12) is a disc spring; or the energy storage element (12) is a plurality of disc springs connected in series.

7. A novel anti-vibration end mill according to claim 1, characterized in that, The lower end of the positioning ring (13) is integrally connected to the lower connecting end ring (131), the outer peripheral wall of the damping cavity (30) is a plug-in ring (31), the plug-in ring (31) is interference-fitted to the lower connecting end ring (131) and the two are laser-welded together.

8. A novel anti-vibration end mill according to claim 1, characterized in that, The clamping hole at the lower end of the chuck (3) is interference-clamped to the upper end of the blade body (4) and fixedly connected by a lateral pin. Alternatively, the clamping hole at the lower end of the chuck (3) is integrally connected to the upper end of the knife body (4).

9. A novel anti-vibration end mill according to claim 1, characterized in that, The lower limit end (112) is annular, the upper mounting end (111) is annular, and the diameter of the upper mounting end (111) is larger than the diameter of the lower limit end (112).

10. A novel anti-vibration end mill according to claim 1, characterized in that, The upper mounting end (111) and the rotational power source are detachably connected via threaded parts.

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