Damping vibration attenuation type corn milling cutter

Abstract

The invention relates to the technical field of numerical control cutter production, in particular to a damping vibration attenuation type corn milling cutter which comprises a cutter and a fastener, a plurality of chip grooves are formed in the cutter, a plurality of blade grooves are formed in the cutter, blades are arranged on the blade grooves, through grooves are formed in the lower ends of the blade grooves, and locking assemblies are arranged in the through grooves. A cavity is formed in the cutter, a vibration reduction assembly is arranged in the cavity, a separation ring is arranged at the right end of the cavity, a liquid injection cavity is formed in the right end of the separation ring, an air cavity is formed in the middle of the liquid injection cavity, and an air cooling assembly is rotationally arranged in the air cavity. The blades are subjected to air cooling through the air cooling assembly; the problems that an existing corn milling cutter blade is tedious to replace, the working efficiency is affected, and the cooling effect is poor due to the fact that the blade is cooled only through cooling water are solved.

Description

Technical Field

[0001] The invention relates to the technical field of CNC tool production, in particular to a damping and vibration-reducing corn milling cutter. Background Art

[0002] Corn milling cutter, also known as corn cob milling cutter or scale milling cutter, is a tool commonly used for processing specific materials. A Chinese invention patent with application announcement number CN214079467U discloses a corn milling cutter, including a cutter body and a blade. The damping shock absorber arranged in the cutter body improves the cutting stability of the tool, improves the cutting quality, and increases the life of the tool. The cooling water holes arranged above the blade enable the tool to achieve all-round uninterrupted cooling, ensure the stability of the tool temperature, increase the tool life, and ensure the consistency of the cutting quality.

[0003] However, the inventors have found that in actual use, the replacement of existing corn milling cutter blades is rather cumbersome, which affects work efficiency, and the cooling effect of the blades is poor when cooling water is used alone to cool the blades. Summary of the invention

[0004] The purpose of the present invention is to address the deficiencies in the prior art. An air cooling component is rotatably arranged in the air chamber, a locking component is arranged in the through groove, the blade is locked by a locking ball, and the blade can be removed by pressing the locking piece when taking out the blade. The blade is cooled by the air cooling component, thereby solving the problem that the replacement of the existing corn milling cutter blade is cumbersome, affecting work efficiency, and the cooling effect is poor when the blade is cooled by cooling water alone.

[0005] In view of the above technical problems, the technical solutions adopted by the present invention are as follows:

[0006] A damping and vibration-reducing corn milling cutter comprises a tool and a fastener, wherein the tool is provided with a plurality of chip grooves, the tool is provided with a plurality of blade grooves, the blade groove is provided with a blade, the lower end of the blade groove is provided with a through groove, the through groove is provided with a locking assembly, the tool is provided with a cavity, the cavity is provided with a vibration-reducing assembly, the right end of the cavity is provided with a separator ring, the right end of the separator ring is provided with a liquid injection cavity, the middle part of the liquid injection cavity is provided with an air cavity, an air cooling assembly is rotatably provided in the air cavity, the blade is locked and fixed by the locking assembly, the cutting vibration is reduced by the vibration-reducing assembly, and the blade is air-cooled by the air cooling assembly.

[0007] As a preferred embodiment, a plurality of circular holes are formed around the upper end of the through slot, and a sliding groove is formed in the middle of the through slot.

[0008] Preferably, the locking assembly includes a locking piece slidably arranged in the through groove and a locking ball slidably arranged on the circular hole, a fixing ring is arranged in the middle part of the locking piece, a spring is arranged between the fixing ring and the sliding groove, and a limiting groove is opened at the upper end of the locking piece for the locking ball to slide into.

[0009] As a preferred embodiment, the vibration damping assembly includes a fixed rod arranged in the cavity and two sets of vibration damping parts mounted on the fixed rod, the fixed rod is provided with a vibration damping groove for mounting the vibration damping parts, the fixed rod is provided with an air supply groove, a gap is left between the fixed rod and the cavity for conveying coolant, the fixed rod is provided with a plurality of air supply pipes connected to the air supply groove, and the vibration damping parts include limit rings arranged on the left and right sides and a vibration damping ring clamped between the two limit rings.

[0010] Preferably, the air cooling assembly comprises a rotating rod and a fan blade arranged at the left end of the rotating rod, and a gear is arranged on the rotating rod.

[0011] As a preferred embodiment, a plurality of infusion holes are provided on the separation ring, and a gear ring meshing with a gear is provided in the air cavity.

[0012] As a preference, a liquid outlet is provided at the front end of the blade slot, an air outlet is provided at the left end of the blade slot, and the air duct is connected to the air outlet.

[0013] Preferably, the fastener is provided with a through hole for the rotating rod to pass through, and the fastener is provided with a plurality of liquid holes.

[0014] As another preferred embodiment, a locking groove is provided at the lower end of the blade.

[0015] Beneficial effects of the present invention:

[0016] 1. In the present invention, an air cooling component is rotatably arranged in the air cavity, a locking component is arranged in the through groove, and the blade is locked by a locking ball. When taking out the blade, the locking part can be pressed to take out the blade. The blade is air-cooled by the air cooling component, which is conducive to rapid removal of the blade and improves the cooling effect.

[0017] In summary, the device has the advantages of quick removal of blades and improved cooling effect, and is particularly suitable for the field of CNC tool production technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of a damping and vibration-reducing corn milling cutter;

[0020] Figure 2 It is a cross-sectional schematic diagram of a damping and vibration-reducing corn milling cutter;

[0021] Figure 3 It is a structural schematic diagram of the vibration reduction component;

[0022] Figure 4 It is a schematic diagram of the structure of the air cooling component;

[0023] Figure 5 It is a cross-sectional schematic diagram of a corn milling cutter;

[0024] Figure 6 for Figure 5 The enlarged view of point A in the middle;

[0025] Figure 7 is a schematic diagram of the structure of a fastener;

[0026] Figure 8 This is the working state diagram of the damping and vibration-reducing corn milling cutter;

[0027] Fig. 9 This is the working status diagram of the corn milling cutter.

[0028] 1. Tool; 2. Fastener; 3. Chip removal groove; 4. Blade groove; 5. Blade; 6. Locking assembly; 7. Vibration reduction assembly; 8. Air cooling assembly; 11. Cavity; 12. Separation ring; 13. Liquid injection cavity; 14. Air cavity; 21. Through hole; 22. Liquid through hole; 41. Through groove; 42. Liquid outlet hole; 43. Air outlet hole; 51. Locking groove; 61. Locking piece; 62. Locking ball; 71 .Fixed rod; 72. Vibration damper; 81. Rotating rod; 82. Fan blade; 121. Infusion hole; 141. Gear ring; 411. Round hole; 412. Slide groove; 611. Fixed ring; 612. Spring; 613. Limiting groove; 711. Vibration damping groove; 712. Air supply groove; 713. Gap; 714. Air supply pipe; 721. Limiting ring; 722. Vibration damping ring; 811. Gear. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings.

[0030] Embodiment 1

[0031] like Figures 1 to 9As shown, a damping and vibration-reducing corn milling cutter includes a tool 1 and a fastener 2, wherein the tool 1 is provided with a plurality of chip grooves 3, the tool 1 is provided with a plurality of blade grooves 4, the blade groove 4 is provided with a blade 5, the lower end of the blade groove 4 is provided with a through groove 41, the through groove 41 is provided with a locking assembly 6, a cavity 11 is provided inside the tool 1, a vibration-reducing assembly 7 is provided in the cavity 11, a separator ring 12 is provided at the right end of the cavity 11, a liquid injection cavity 13 is provided at the right end of the separator ring 12, an air cavity 14 is provided in the middle part of the liquid injection cavity 13, an air cooling assembly 8 is rotatably provided in the air cavity 14, the blade 5 is locked and fixed by the locking assembly 6, the cutting vibration is reduced by the vibration-reducing assembly 7, and the blade 5 is air-cooled by the air cooling assembly 8.

[0032] It is worth mentioning here that the air cooling component 8 is rotatably set in the air cavity 14, the locking component 6 is set in the through groove 41, and the blade 5 is locked by the locking ball 62. When taking out the blade 5, the locking piece 61 can be pressed to remove the blade 5. The blade 5 is air-cooled by the air cooling component 8, which is conducive to the rapid disassembly of the blade 5 and improves the cooling effect.

[0033] like Figure 6 As shown, a plurality of circular holes 411 are formed around the upper end of the through slot 41 , and a sliding slot 412 is formed in the middle of the through slot 41 .

[0034] In this example, the circular hole 411 is provided so that the locking ball 62 can slide therein and lock the blade 5 .

[0035] like Figure 6 As shown, the locking assembly 6 includes a locking member 61 slidably set in the through groove 41 and a locking ball 62 slidably set on the circular hole 411, a fixing ring 611 is set in the middle part of the locking member 61, a spring 612 is set between the fixing ring 611 and the sliding groove 412, and a limiting groove 613 is opened at the upper end of the locking member 61 for the locking ball 62 to slide into.

[0036] In this example, the locking member 61 is reset by the spring 612 , and the limiting groove 613 is provided so that the locking ball 62 can slide into the limiting groove 613 when the locking is released.

[0037] like Figure 2 , Figure 3As shown, the vibration damping assembly 7 includes a fixed rod 71 arranged in the cavity 11 and two sets of vibration damping members 72 sleeved on the fixed rod 71, the fixed rod 71 is provided with a vibration damping groove 711 for sleeved with the vibration damping member 72, the fixed rod 71 is provided with an air supply groove 712, a gap 713 for conveying coolant is reserved between the fixed rod 71 and the cavity 11, a plurality of air supply pipes 714 connected to the air supply groove 712 are provided on the fixed rod 71, and the vibration damping member 72 includes a limiting ring 721 arranged on the left and right sides and a vibration damping ring 722 clamped between the two limiting rings 721.

[0038] In this example, the coolant is transported through the gap 713 , the wind driven by the air cooling assembly 8 is blown into the air supply pipe 714 through the air supply slot 712 , and the tool 1 is vibration-reduced through the vibration-reducing ring 722 .

[0039] like Figure 4 As shown, the air cooling assembly 8 includes a rotating rod 81 and a fan blade 82 arranged at the left end of the rotating rod 81, and a gear 811 is arranged on the rotating rod 81.

[0040] In this example, the rotating rod 81 is set on the rotating setting machine tool. When the tool 1 rotates, it drives the ring gear 141 to rotate, drives the gear 811 to rotate at high speed, and thus drives the fan blades 82 to blow cold air into the air supply slot 712.

[0041] like Figure 2 As shown, a plurality of infusion holes 121 are provided on the separation ring 12 , and a gear ring 141 meshing with the gear 811 is provided in the air cavity 14 .

[0042] In this example, the cooling liquid in the liquid injection cavity 13 is transported to the gap 713 through the liquid infusion hole 121 , and the cooling liquid is transported to the liquid outlet hole 42 through the gap 713 .

[0043] like Figure 1 As shown, a liquid outlet 42 is provided at the front end of the blade slot 4 , an air outlet 43 is provided at the left end of the blade slot 4 , and the air delivery pipe 714 is connected to the air outlet 43 .

[0044] like Figure 7 As shown, the fastener 2 is provided with a through hole 21 for the rotating rod 81 to pass through, and the fastener 2 is provided with a plurality of liquid holes 22 .

[0045] In this example, the liquid through hole 22 is used to connect a liquid infusion tube to deliver the cooling liquid into the liquid injection cavity 13 .

[0046] like Figure 6 As shown, a locking groove 51 is formed at the lower end of the blade 5 .

[0047] In this embodiment, the lower end of the locking groove 51 is arranged in an arc shape.

[0048] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art under the technical guidance of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A damping and vibration-reducing corn milling cutter, comprising a cutter (1) and a fastener (2), characterized in that: The tool (1) is provided with a plurality of chip removal grooves (3), the tool (1) is provided with a plurality of blade grooves (4), a blade (5) is arranged on the blade groove (4), a through groove (41) is arranged at the lower end of the blade groove (4), a locking assembly (6) is arranged in the through groove (41), a cavity (11) is arranged inside the tool (1), a vibration reduction assembly (7) is arranged in the cavity (11), a separation ring (12) is arranged at the right end of the cavity (11), a liquid injection cavity (13) is arranged at the right end of the separation ring (12), an air cavity (14) is arranged in the middle of the liquid injection cavity (13), an air cooling assembly (8) is rotatably arranged in the air cavity (14), the blade (5) is locked and fixed by the locking assembly (6), the cutting vibration is reduced by the vibration reduction assembly (7), and the blade (5) is air-cooled by the air cooling assembly (8).

2. A damping and vibration-reducing helical milling cutter according to claim 1, characterized in that: A plurality of circular holes (411) are provided around the upper end of the through slot (41), and a sliding slot (412) is provided in the middle of the through slot (41).

3. A damping and vibration-reducing helical milling cutter according to claim 2, characterized in that: The locking assembly (6) comprises a locking member (61) slidably arranged in the through groove (41) and a locking ball (62) slidably arranged on the round hole (411); a fixing ring (611) is arranged in the middle part of the locking member (61); a spring (612) is arranged between the fixing ring (611) and the sliding groove (412); and a limiting groove (613) for the locking ball (62) to slide into is opened at the upper end of the locking member (61).

4. The damping and vibration-reducing helical milling cutter according to claim 1, characterized in that: The vibration reduction assembly (7) comprises a fixed rod (71) arranged in the cavity (11) and two groups of vibration reduction members (72) sleeved on the fixed rod (71); a vibration reduction groove (711) for sleeved the vibration reduction member (72) is provided on the fixed rod (71); an air supply groove (712) is provided in the fixed rod (71); a gap (713) for conveying cooling liquid is reserved between the fixed rod (71) and the cavity (11); a plurality of air supply pipes (714) connected to the air supply groove (712) are provided on the fixed rod (71); and the vibration reduction member (72) comprises a limit ring (721) arranged on the left and right sides and a vibration reduction ring (722) clamped between the two limit rings (721).

5. The damping and vibration-reducing helical milling cutter according to claim 1, characterized in that: The air cooling component (8) comprises a rotating rod (81) and a fan blade (82) arranged at the left end of the rotating rod (81); a gear (811) is arranged on the rotating rod (81).

6. The damping and vibration-reducing helical milling cutter according to claim 5, characterized in that: The separation ring (12) is provided with a plurality of infusion holes (121), and the air cavity (14) is provided with a gear ring (141) meshing with the gear (811).

7. The damping and vibration-reducing helical milling cutter according to claim 4, characterized in that: A liquid outlet hole (42) is provided at the front end of the blade slot (4), an air outlet hole (43) is provided at the left end of the blade slot (4), and the air delivery pipe (714) is connected to the air outlet hole (43).

8. The damping and vibration-reducing helical milling cutter according to claim 6, characterized in that: The fastener (2) is provided with a through hole (21) for the rotating rod (81) to pass through, and the fastener (2) is provided with a plurality of liquid through holes (22).

9. The damping and vibration-reducing helical milling cutter according to claim 1, characterized in that: The lower end of the blade (5) is provided with a locking groove (51).

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