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CN-224209217-U - Herringbone tooth turning cutter

CN224209217UCN 224209217 UCN224209217 UCN 224209217UCN-224209217-U

Abstract

The utility model provides a herringbone tooth turning cutter, and belongs to the field of turning cutters. The utility model solves the problems that heat is generated in the operation process of the turning gear knife, the wear resistance is possibly reduced due to overheat, and impurities such as metal scraps are possibly generated in the processing process to influence the processing accuracy, the novel air guide device is characterized in that an air inlet pipeline is arranged on the disc, a first limiting ring is arranged on two sides of the air inlet pipeline in the notch, a second limiting ring is arranged on the cutter head, a channel is formed between the second limiting ring and the cutter head, an annular air guide groove matched with the air inlet pipeline is formed in the cutter head, a plurality of air guide pipes are arranged below the air guide groove, and a plurality of air outlet pipes extending to the cutter blades are arranged on the air guide pipes.

Inventors

  • YE SHICONG

Assignees

  • 浙江上优刀具有限公司

Dates

Publication Date
20260508
Application Date
20250331

Claims (5)

  1. 1. The herringbone gear turning cutter comprises a cutter rest (1), two groups of cutter heads (2) which are respectively arranged at the upper end and the lower end of the cutter rest (1) and are symmetrically arranged, and a plurality of blades (3) which are positioned on the side edges of the cutter heads (2), and is characterized in that rotatable discs (4) are arranged on the cutter heads (2), and bearings (5) used for connection are arranged between the cutter heads (2) and the discs (4); The cutter head (2) is provided with an annular notch (6), the disc (4) is provided with an air inlet pipeline (7) penetrating through the disc (4) and extending into the notch, two sides of the air inlet pipeline (7) in the notch are provided with a first limiting ring (8) with two arc-shaped ends, the cutter head (2) is provided with a second limiting ring (9), and a channel (10) for the first limiting ring (8) to rotate inside is formed between the second limiting ring (9) and the cutter head (2); The tool bit (2) in set up with air duct (7) matched with annular air duct (11), air duct (11) below set up a plurality of air duct (12), air duct (12) on be provided with outlet duct (13) that a plurality of extends to blade (3) department.
  2. 2. The herringbone gear turning gear knife according to claim 1, wherein the first limiting ring (8) and the second limiting ring (9) are respectively provided with a sealing part (14).
  3. 3. The herringbone gear turning gear knife according to claim 1, wherein the upper end and the lower end of the air inlet pipeline (7) are respectively provided with a truncated cone-shaped mounting part (15).
  4. 4. The herringbone gear turning gear knife according to claim 1, wherein the blades (3) positioned at the upper end of the cutter head (2) and the blades (3) positioned at the lower end of the cutter head (2) are symmetrically arranged in a herringbone manner.
  5. 5. The herringbone gear turning gear knife according to claim 1, wherein a gap is reserved between the blades (3) and the blades (3), and the air outlet pipe (13) is communicated with the gap between the blades (3).

Description

Herringbone tooth turning cutter Technical Field The utility model belongs to the field of turning tooth knives, and particularly relates to a herringbone tooth turning tooth knife. Background The turning gear is mainly used for rotary separation machining, machining of parts is achieved through simultaneous rotation of a cutter and a workpiece, heat is generated in the operation process of the turning gear, abrasion resistance can be reduced due to overheating, impurities such as metal chips can occur in the machining process, and machining accuracy is affected. Disclosure of Invention The utility model aims to solve the problems in the prior art and provides a herringbone gear turning cutter. The herringbone tooth turning cutter comprises a cutter rest, two groups of cutter heads which are respectively arranged at the upper end and the lower end of the cutter rest and are symmetrically arranged, and a plurality of blades which are positioned on the side edges of the cutter heads, and is characterized in that a rotatable disc is arranged on the cutter heads, and a bearing for connection is arranged between the cutter heads and the disc; the cutter head is provided with an annular notch, the disc is provided with an air inlet pipeline which penetrates through the disc and extends into the notch, two sides of the air inlet pipeline positioned in the notch are provided with a first limiting ring with two arc-shaped ends, the cutter head is provided with a second limiting ring, and a channel for the first limiting ring to rotate inside is formed between the second limiting ring and the cutter head; The tool bit in set up with intake pipe matched with annular air duct, air duct below set up a plurality of air duct, the air duct on be provided with a plurality of outlet duct that extends to blade department. In the herringbone gear turning cutter, the first limiting ring and the second limiting ring are respectively provided with a sealing part. In the herringbone gear turning cutter, the upper end and the lower end of the air inlet pipeline are respectively provided with the circular truncated cone-shaped mounting parts. In the herringbone gear turning cutter, the blades at the upper end of the cutter head and the blades at the lower end of the cutter head are arranged in a symmetrical herringbone mode. In the herringbone tooth turning cutter, a gap is reserved between the blades, and the air outlet pipe is communicated with the gap between the blades. Compared with the prior art, the herringbone gear turning knife achieves heat dissipation through air circulation in the knife head and the knife rest, reduces abrasion resistance reduction caused by overheating, blows off impurities after air blowing, and avoids the influence of the impurities on machining precision. Drawings FIG. 1 is a schematic main body view of the present herringbone gear cutting machine; FIG. 2 is a cross-sectional view of the present herringbone gear cutting machine; Fig. 3 is a partial view of the present herringbone gear shaper cutter. In the figure, 1, a knife rest, 2, a knife head, 3, a knife blade, 4, a disc, 5, a bearing, 6, an annular notch, 7, an air inlet pipeline, 8, a first limiting ring, 9, a second limiting ring, 10, a channel, 11, an air guide groove, 12, an air guide pipe, 13, an air outlet pipe, 14, a sealing part and 15, and an installation part. Detailed Description The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments. As shown in fig. 1, 2 and 3, the herringbone gear turning cutter comprises a cutter rest 1, two groups of cutter heads 2 which are respectively arranged at the upper end and the lower end of the cutter rest 1 and are symmetrically arranged, and a plurality of blades 3 positioned on the side edges of the cutter heads 2, wherein rotatable discs 4 are arranged on the cutter heads 2, and bearings 5 used for connection are arranged between the cutter heads 2 and the discs 4; The cutter head 2 is provided with an annular notch 6, the disc 4 is provided with an air inlet pipeline 7 which penetrates through the disc 4 and extends into the notch, two sides of the air inlet pipeline 7 positioned in the notch are provided with a first limiting ring 8 with two arc-shaped ends, the cutter head 2 is provided with a second limiting ring 9, and a channel 10 for the first limiting ring 8 to rotate inside is arranged between the second limiting ring 9 and the cutter head 2; Annular air guide grooves 11 matched with the air inlet pipelines 7 are formed in the cutter head 2, a plurality of air guide pipes 12 are formed below the air guide grooves 11, a plurality of air outlet pipes 13 extending to the blades 3 are arranged on the air guide pipes 12, and sealing parts 14 are arranged on the first limiting ring 8 and the s