Chip flute structure for improving dynamic balance precision of unequal-tooth end mill

Abstract

The utility model discloses a chip flute structure for improving the dynamic balance precision of an unequal-tooth end mill, which relates to the technical field of unequal-tooth end mills and comprises an end mill, the end mill comprises a cutter bar and a cutter bit, the cutter bit comprises a plurality of cutting edge parts arranged in a surrounding manner, and a chip flute is arranged between every two adjacent cutting edge parts. An auxiliary chip removal groove is formed in each chip containing groove. According to the end mill, the auxiliary chip removal groove is formed in the chip pocket and is matched with the blade chip removal groove formed in the blade part, so that the chip removal effect of the end mill can be improved, the stability of the end mill in the contact process with a workpiece is ensured, and the dynamic balance precision of the end mill is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to unequal tooth end mill technical field, concretely relates to a kind of chip flute structures for improving the dynamic balance precision of unequal tooth end mill. BACKGROUND

[0002] The tooth angle of unequal tooth end mill is unevenly distributed, which effectively suppresses vibration in the cutting process by making the time interval of each tooth cutting into the workpiece different, improves the machining surface quality, and prolongs the service life of the tool. The chip flute is a structure on the end mill for accommodating and discharging chips generated during the cutting process. The chip flute structure can prevent mass concentration or uneven distribution, thereby reducing unbalanced centrifugal force, improving dynamic balance precision, and improving tool cutting stability. For example, the patent document with publication number CN201609784U discloses an unequal tooth high-efficiency aluminum end mill. The chip flute on the outside of the end mill is shallow, and the chip removal effect is poor, which can cause vibration of the end mill during cutting. SUMMARY

[0003] In view of the above problems of the existing chip flute structure for improving the dynamic balance precision of unequal tooth end mill, the utility model is proposed.

[0004] Therefore, the utility model aims to provide a chip flute structure for improving the dynamic balance precision of unequal tooth end mill, which solves the problem of poor internal chip flute structure of existing unequal tooth end mill, which cannot effectively improve the dynamic balance precision of the end mill.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A chip flute structure for improving the dynamic balance precision of unequal tooth end mill, comprising an end mill, the end mill comprising a tool shank and a tool head, the tool head comprising a plurality of circumferentially arranged cutting edge portions, a chip flute being provided between adjacent two cutting edge portions, and an auxiliary chip flute being provided inside each chip flute.

[0007] Preferably, each auxiliary chip flute is spirally arranged and communicates with both ends of the chip flute.

[0008] Preferably, a cutting edge chip flute is provided on the side of each cutting edge portion.

[0009] Preferably, a plurality of spaced cutting teeth are fixedly provided on the outer wall of each cutting edge portion.

[0010] Further, the cutting teeth are alloy cutting teeth.

[0011] Preferably, the tool shank and the tool head are integrally formed.

[0012] In the above technical solution, the utility model provides technical effect and advantage:

[0013] 1. The utility model discloses a auxiliary chip removal groove is set up in the chip pocket, and the auxiliary chip removal groove is spiral and communicates with both ends of the chip pocket, and the spiral design increases the length and flexibility of the chip removal path, can guide the chip to export more smoothly, reduces the accumulation of the chip in the chip pocket, and the cutting edge chip removal groove set up in the side part of the cutting edge part further increases the chip removal passage, and the multiple passages work cooperatively, which significantly improves the chip removal effect of the end mill, reduces the interference of the chip on the cutting process of the tool, and further improves the stability of the tool, which is beneficial to improving the dynamic balance precision.

[0014] 2. The utility model discloses an alloy cutter tooth is set up on the outer wall of the cutting edge part, and compared with ordinary cutter tooth, has higher hardness, wear resistance and heat resistance, thereby keeping cutting stable, and the stable tool state is helpful to maintaining the dynamic balance precision and guaranteeing the processing quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained according to these drawings for the ordinary skilled in the art.

[0016] Fig. 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Fig. 2 It is a front side structure schematic view of the utility model.

[0018] Fig. 3 It is a right side structure schematic view of the utility model.

[0019] Mark explanation:

[0020] 1, tool bar, 2, tool head, 3, cutting edge part, 4, chip pocket, 5, auxiliary chip removal groove, 6, cutting edge chip removal groove, 7, cutter tooth. DETAILED DESCRIPTION

[0021] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be further introduced in detail in conjunction with the drawings.

[0022] The utility model embodiment discloses a chip pocket structure for improving the dynamic balance precision of unequal tooth end mill.

[0023] The utility model provides a kind of Figs. 1-3The flute structure for improving dynamic balance precision of unequal-tooth end mill includes an end mill, the end mill includes a cutter bar 1 and a cutter head 2, the cutter bar 1 and the cutter head 2 are integrally formed, the cutter head 2 includes a plurality of cutting edge parts 3 arranged around, and a flute 4 is arranged between two adjacent cutting edge parts 3, and an auxiliary chip removal groove 5 is arranged in each flute 4, each auxiliary chip removal groove 5 is arranged in a spiral shape and is in communication with both ends of the flute 4.

[0024] When the end mill is used for milling, the cutting edge part 3 cuts into the workpiece to generate a chip, the chip first enters the flute 4, and since the auxiliary chip removal groove 5 is in a spiral shape and is in communication with both ends of the flute 4, the chip is guided by the spiral groove and moves along the auxiliary chip removal groove 5 to both ends of the flute 4, is more smoothly discharged from the contact area of the cutter and the workpiece, increases the chip removal efficiency, reduces the possibility of chip accumulation in the flute 4, avoids the tool vibration caused by chip accumulation, and thus ensures the stability of the end mill in the cutting process and is beneficial to improving the dynamic balance precision.

[0025] In order to further improve the use strength and chip removal effect of the end mill, for example, Figs. 2-3 Each cutting edge part 3 is provided with a cutting edge chip removal groove 6 in the side part, and a plurality of spaced-apart cutter teeth 7 are fixedly arranged on the outer wall of each cutting edge part 3, and the cutter teeth 7 are alloy cutter teeth.

[0026] In the cutting process, the cutting edge chip removal groove 6 provides an additional discharge channel for the chip, the chip can be directly discharged from the cutting edge chip removal groove 6, cooperates with the chip discharged through the flute 4 and the auxiliary chip removal groove 5, and further accelerates the chip removal speed, and meanwhile, the good strength and characteristics of the alloy cutter teeth 7 can maintain good cutting performance when cutting the workpiece, ensure the dynamic balance precision stability of the cutter in the rotation process, and thus improve the overall use strength and chip removal effect of the end mill and improve the processing quality and efficiency.

[0027] The above only describes some exemplary embodiments of the utility model in a descriptive manner, without doubt, for ordinary skilled in the art, the described embodiments can be modified in various different ways without deviating from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A chip groove structure for improving the dynamic balance accuracy of an end mill with unequal teeth, comprising an end mill, characterized in that, The end mill includes a shank (1) and a cutter head (2). The cutter head (2) includes multiple circumferentially arranged cutting edges (3). A chip groove (4) is provided between two adjacent cutting edges (3). An auxiliary chip removal groove (5) is provided inside each chip groove (4).

2. The chip groove structure for improving the dynamic balance accuracy of unequal-tooth end mills according to claim 1, characterized in that, Each of the auxiliary chip removal grooves (5) is arranged in a spiral shape and is connected to both ends of the chip receiving groove (4).

3. The chip groove structure for improving the dynamic balance accuracy of unequal-tooth end mills according to claim 1, characterized in that, Each of the blade portions (3) has a chip removal groove (6) on its side.

4. The chip groove structure for improving the dynamic balance accuracy of unequal-tooth end mills according to claim 1, characterized in that, Each of the blade portions (3) has a plurality of spaced-apart cutting teeth (7) fixedly provided on its outer wall.

5. The chip groove structure for improving the dynamic balance accuracy of unequal-tooth end mills according to claim 4, characterized in that, The cutting teeth (7) are alloy cutting teeth.

6. The chip groove structure for improving the dynamic balance accuracy of unequal-tooth end mills according to claim 1, characterized in that, The cutter bar (1) and the cutter head (2) are integrally formed.

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