CN212239460U - Indexable gear milling cutter disc - Google Patents
Indexable gear milling cutter disc Download PDFInfo
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- CN212239460U CN212239460U CN202020928798.7U CN202020928798U CN212239460U CN 212239460 U CN212239460 U CN 212239460U CN 202020928798 U CN202020928798 U CN 202020928798U CN 212239460 U CN212239460 U CN 212239460U
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- chip removal
- cutter disc
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Abstract
The utility model provides a but transposition gear milling cutter dish belongs to mechanical technical field. The indexable gear milling cutter disc comprises a cutter disc with a shaft hole, and a plurality of side tooth units and a plurality of top tooth units which are alternately distributed along the circumferential direction of the cutter disc, wherein edges on two sides of the cutter disc are cone ring surfaces, the side tooth units comprise two side tooth blades which are respectively arranged on the two cone ring surfaces, the top tooth units comprise two top tooth blades which are respectively arranged on the two cone ring surfaces, a cutter groove I and a cutter groove II which are used for respectively installing the side tooth blades and the top tooth blades are arranged on the cone ring surfaces, a chip removal groove I is arranged on one side of the cutter groove I, the cutter groove I and the chip removal groove I are sequentially distributed along the cutting direction of the side tooth blades, the chip removal groove I is strip-shaped and extends along the length direction of the side tooth blades, a chip removal groove II is arranged on one side of the cutter groove II, the cutter groove II and the chip removal groove II are sequentially distributed along the cutting direction of the. The utility model discloses the chip removal is efficient.
Description
Technical Field
The utility model belongs to the technical field of machinery, a milling cutter dish, especially an indexable gear milling cutter dish is related to.
Background
The gear transmission is a mechanical transmission which transmits power and movement by utilizing the mutual meshing of gear teeth of two gears.
The gear diameters can range from a few millimeters to twenty or more meters, and the manufacture of gears requires specialized equipment, such as a disc gear mill disclosed in chinese patent library [ application number: 200620165291.0, comprising a milling cutter disc, a milling cutter blade and a chip groove, wherein the milling cutter blade is fixed in the cutting area of the milling cutter disc through a compression screw; the milling cutter blades comprise top edge milling cutter blades and side edge milling cutter blades, wherein the cutting edges of the top edge milling cutter blades are uniformly arranged on the outer edge end face of the milling cutter disc by adopting a positive rake angle design, the angle of the positive rake angle is 3-4 degrees, the side edge milling cutter blades are arranged in cutting areas on two sides of the milling cutter disc and are arranged corresponding to the corresponding top edge milling cutter blades, and the cutting surfaces formed by the cutting edges of the side edge milling cutter blades arranged in adjacent front and rear rows of the cutting areas of the milling cutter disc are complementary.
In the milling cutter, the milling cutter blades with two adjacent side edges and the milling cutter blade with the top edge share one chip groove, so that chip removal blockage and unsmooth chip removal are easily caused, and the efficiency and the precision are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided an efficient but transposition gear milling cutter dish of chip removal.
The purpose of the utility model can be realized by the following technical proposal: an indexable gear milling cutter disc comprises a cutter disc with an axle hole, and a plurality of side tooth units and top tooth units which are alternately distributed along the circumferential direction of the cutter disc, wherein the edges of two sides of the cutter disc are cone ring surfaces, the side tooth units comprise two side tooth blades which are respectively arranged on the two cone ring surfaces and are distributed along the circumferential direction of the cutter disc, the top tooth units comprise two top tooth blades which are respectively arranged on the two cone ring surfaces and are distributed along the circumferential direction of the cutter disc, a cutter groove I and a cutter groove II which are used for respectively installing the side tooth blades and the top tooth blades are arranged on the cone ring surfaces, and each side tooth blade and each top tooth blade respectively correspond to one cutter groove I and one cutter, it is characterized in that one side of each cutter groove I is provided with a first chip removal groove communicated with the corresponding cutter groove I, the first cutter groove and the first chip groove are sequentially distributed along the cutting direction of the side tooth blade, the first chip groove is strip-shaped, the length of the first chip groove extends along the length direction of the side tooth blade, and one end, far away from the shaft hole, of the first chip groove is opened; one side of each tool groove II is provided with a chip removal groove II communicated with the corresponding tool groove II, the tool groove II and the chip removal groove II are sequentially distributed along the cutting direction of the top tooth blade, the chip removal groove II is strip-shaped, the length of the chip removal groove II extends along the length direction of the top tooth blade, and one end of the chip removal groove II, which is far away from the shaft hole, is opened.
One side of each cutter groove I and one side of each cutter groove II are respectively communicated with a chip removal groove I and a chip removal groove II, so that each top tooth blade and each side tooth blade can independently remove chips and do not interfere with each other, the chip removal smoothness and efficiency are effectively improved, and the gear machining quality and efficiency are improved.
In the indexable gear milling cutter disc, one ends of the first chip groove and the second chip groove, which are close to the shaft hole, are closed.
In the indexable gear milling cutter disc, at least one chamfering blade for chamfering the gear is arranged on each of the two conical ring surfaces, a third cutter groove for accommodating the chamfering blade is arranged on each conical ring surface, the third cutter groove and the chamfering blade are the same in number and are in one-to-one correspondence in position, and the chamfering blade is fixedly connected with the cutter disc through a cutter holder. The chamfering blade is added on the cutter head, so that the two procedures of gear tooth profile forming and chamfering are continuously carried out, the processing efficiency can be further improved, and the processing precision can also be improved.
In the indexable gear milling cutter disc, the cutter holder comprises a strip-shaped block part, the length of the block part extends along the radial direction of the cutter disc, the cutter groove III comprises a guide section, the shape and the size of the guide section are matched with those of the block part, the block part is arranged in the guide section in a sliding mode, and the block part is fixedly connected with the cutter disc. Under the cooperation of the block part and the guide section, the tool holder is convenient to mount and position.
In the indexable gear milling cutter disc, the block part is provided with mounting holes which penetrate through the cutter disc in the axial direction, threaded holes are formed in three bottom walls of the cutter groove, the number of the threaded holes is the same as that of the mounting holes, the threaded holes and the mounting holes are in one-to-one correspondence in position, the block part is fixedly connected with the cutter disc through bolts which penetrate through the mounting holes and are screwed in the threaded holes, and the block part is tightly pressed on the three bottom walls of the cutter groove.
In the indexable gear milling cutter disc, two chamfering blades are arranged on each conical ring surface, and the two chamfering blades on the same conical ring surface are distributed along the circumferential direction of the cutter disc.
Compared with the prior art, the indexable gear milling cutter disc has the following advantages:
1. one side of each cutter groove I and one side of each cutter groove II are respectively communicated with a chip removal groove I and a chip removal groove II, so that each top tooth blade and each side tooth blade can independently remove chips and do not interfere with each other, the chip removal smoothness and efficiency are effectively improved, and the gear machining quality and efficiency are improved.
2. The chamfering blade is added on the cutter head, so that the two procedures of gear tooth profile forming and chamfering are continuously carried out, the processing efficiency can be further improved, and the processing precision can also be improved.
Drawings
Fig. 1 is a perspective view of an indexable gear milling cutter disc.
Fig. 2 is a schematic top view of an indexable gear milling cutter disc.
Fig. 3 is an enlarged schematic view of a structure at a in fig. 2.
In the figure, 1, a cutter head; 1a, a shaft hole; 1b, a conical ring surface; 1c, a first chip groove; 1d, a second chip groove; 1e, a tool groove III; 2. a side-toothed blade; 3. a top tooth blade; 4. chamfering the blade; 5. a tool holder; 5a, a block part; 6. and (4) bolts.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the indexable gear milling cutter includes a cutter 1 having a shaft hole 1a, and a plurality of side tooth units and top tooth units alternately distributed along the circumferential direction of the cutter 1. Wherein, 1 both sides edge of blade disc is awl anchor ring 1b, the both sides tooth unit is including locating respectively on two awl anchor ring 1b and along the both sides tooth blade 2 that 1 circumference of blade disc distributes, the top tooth unit is including locating respectively on two awl anchor ring 1b and along two top tooth blades 3 that 1 circumference of blade disc distributes, be equipped with on the awl anchor ring 1b and be used for installing the sword groove one and the sword groove two of side tooth blade 2 and top tooth blade 3 respectively, and every side tooth blade 2 and top tooth blade 3 correspond sword groove one and sword groove two respectively, the quantity of sword groove one and sword groove two is the same and position one-to-one with side tooth blade 2 and top tooth blade 3 respectively promptly. In the embodiment, the side tooth blades 2 and the top tooth blade 3 are locked on the cutter head 1 through screws.
Specifically, a first chip removal groove 1c communicated with the corresponding first chip removal groove is formed in one side of each first chip removal groove, the first chip removal grooves and the first chip removal grooves 1c are sequentially distributed along the cutting direction of the side tooth blade 2, the first chip removal grooves 1c are strip-shaped, the length of the first chip removal grooves extends along the length direction of the side tooth blade 2, one ends, far away from the shaft hole 1a, of the first chip removal grooves 1c are open, and one ends, close to the shaft hole 1a, of the first chip removal grooves 1c are closed. One side of each tool groove II is provided with a chip removal groove II 1d communicated with the corresponding tool groove II, the tool groove II and the chip removal groove II 1d are sequentially distributed along the cutting direction of the top tooth blade 3, the chip removal groove II 1d is strip-shaped, the length of the chip removal groove II extends along the length direction of the top tooth blade 3, one end, far away from the shaft hole 1a, of the chip removal groove II 1d is open, and one end, close to the shaft hole 1a, of the chip removal groove II 1d is closed. One side of each cutter groove I and one side of each cutter groove II are respectively communicated with the first chip removal groove 1c and the second chip removal groove 1d, so that each top tooth blade 3 and each side tooth blade 2 can independently remove chips and do not interfere with each other, the chip removal smoothness and efficiency are effectively improved, and the gear machining quality and efficiency are improved.
Further, at least one chamfering blade 4 for chamfering the gear is arranged on each of the two conical ring surfaces 1b, a knife groove three 1e for accommodating the chamfering blade 4 is arranged on each conical ring surface 1b, and the knife grooves three 1e and the chamfering blades 4 are identical in number and are in one-to-one correspondence in position. In this embodiment, each conical ring surface 1b is provided with two chamfering blades 4, and the two chamfering blades 4 on the same conical ring surface 1b are distributed along the circumferential direction of the cutter head 1. That is, four sipes three 1e are provided. The chamfering blade 4 is fixedly connected with the cutter head 1 through a cutter holder 5. In the present embodiment, the chamfering blade 4 is screwed to the tool holder 5, and the tool holder 5 is fixedly connected to the cutter head 1. The chamfering blade 4 is added on the cutter head 1, so that two procedures of gear tooth profile forming and chamfering are continuously carried out, the processing efficiency can be further improved, and the processing precision can also be improved.
The chamfer blade 4 is mounted in the following manner: as shown in fig. 3, the tool holder 5 includes a strip-shaped block portion 5a, the length of the block portion 5a extends along the radial direction of the tool pan 1, the tool groove three 1e includes a guide section, the shape and the size of the guide section are matched with those of the block portion 5a, the block portion 5a is slidably arranged in the guide section, and the block portion 5a is fixedly connected with the tool pan 1. The mounting hole that runs through along the 1 axial of blade disc has on the piece portion 5a, is equipped with the screw hole on the three 1e diapire of sword groove, and the screw hole is the same with the mounting hole quantity and the position one-to-one, and piece portion 5a links firmly through passing the mounting hole and revolving in screw hole's bolt 6 with blade disc 1, and at this moment, piece portion 5a sticiss on three 1e diapalls of sword groove.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. An indexable gear milling cutter disc comprises a cutter disc (1) with a shaft hole (1a) and a plurality of side tooth units and top tooth units which are alternately distributed along the circumferential direction of the cutter disc (1), wherein the edges of two sides of the cutter disc (1) are cone ring surfaces (1b), each side tooth unit comprises two side tooth blades (2) which are respectively arranged on the two cone ring surfaces (1b) and are distributed along the circumferential direction of the cutter disc (1), each top tooth unit comprises two top tooth blades (3) which are respectively arranged on the two cone ring surfaces (1b) and are distributed along the circumferential direction of the cutter disc (1), a cutter groove I and a cutter groove II which are used for respectively installing the side tooth blades (2) and the top tooth blades (3) are arranged on the cone ring surfaces (1b), each side tooth blade (2) and each top tooth blade (3) respectively correspond to one cutter groove I and one cutter groove II, and the indexable gear milling cutter disc is characterized in that one side of each cutter groove I is provided with a chip removal groove I, the first cutter groove and the first chip removal groove (1c) are sequentially distributed along the cutting direction of the side tooth blade (2), the first chip removal groove (1c) is strip-shaped, the length of the first chip removal groove extends along the length direction of the side tooth blade (2), and one end, far away from the shaft hole (1a), of the first chip removal groove (1c) is opened; one side of each tool groove II is provided with a second chip removal groove (1d) communicated with the corresponding tool groove II, the tool groove II and the second chip removal groove (1d) are sequentially distributed along the cutting direction of the top tooth blade (3), the second chip removal groove (1d) is strip-shaped, the length of the second chip removal groove extends along the length direction of the top tooth blade (3), and one end, far away from the shaft hole (1a), of the second chip removal groove (1d) is opened.
2. The indexable gear milling cutter disc according to claim 1, wherein the ends of the first flutes (1c) and the second flutes (1d) adjacent to the shaft hole (1a) are closed.
3. The indexable gear milling cutter disc according to claim 1, wherein at least one chamfering blade (4) for chamfering the gear is further provided on each of the two conical ring surfaces (1b), a three cutter groove (1e) for accommodating the chamfering blade (4) is provided on each of the conical ring surfaces (1b), the three cutter grooves (1e) and the chamfering blade (4) have the same number and are positioned in one-to-one correspondence, and the chamfering blade (4) is fixedly connected with the cutter disc (1) through the cutter holder (5).
4. The indexable gear milling cutter disc according to claim 3, characterized in that the holder (5) comprises a bar-shaped block portion (5a), the length of the block portion (5a) extends in the radial direction of the cutter disc (1), the three flutes (1e) comprise a guide section matching the block portion (5a) in shape and size, the block portion (5a) is slidably arranged in the guide section, and the block portion (5a) is fixedly connected with the cutter disc (1).
5. The indexable gear milling cutter disc according to claim 4, wherein the block part (5a) is provided with mounting holes penetrating along the axial direction of the cutter disc (1), the bottom wall of the three cutter grooves (1e) is provided with threaded holes, the threaded holes and the mounting holes are in the same number and are in one-to-one correspondence in position, the block part (5a) is fixedly connected with the cutter disc (1) through bolts (6) penetrating through the mounting holes and screwed in the threaded holes, and the block part (5a) is tightly pressed on the bottom wall of the three cutter grooves (1 e).
6. Indexable gear milling cutter disc according to claim 3 or 4 or 5, characterized in that two chamfering blades (4) are provided on each conical ring surface (1b), and that the two chamfering blades (4) on the same conical ring surface (1b) are distributed circumferentially of the cutter disc (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020928798.7U CN212239460U (en) | 2020-05-27 | 2020-05-27 | Indexable gear milling cutter disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020928798.7U CN212239460U (en) | 2020-05-27 | 2020-05-27 | Indexable gear milling cutter disc |
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| Publication Number | Publication Date |
|---|---|
| CN212239460U true CN212239460U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020928798.7U Active CN212239460U (en) | 2020-05-27 | 2020-05-27 | Indexable gear milling cutter disc |
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| CN (1) | CN212239460U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245637A (en) * | 2021-05-26 | 2021-08-13 | 百斯图工具制造有限公司 | Four-transposition high-precision gear milling blade and milling cutter |
| CN114871483A (en) * | 2022-05-05 | 2022-08-09 | 杭州超尔切削工具有限公司 | Milling cutter disc |
| CN115475989A (en) * | 2022-08-16 | 2022-12-16 | 南京工业大学 | Large-modulus indexable forming finish milling disc-shaped cutter |
-
2020
- 2020-05-27 CN CN202020928798.7U patent/CN212239460U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245637A (en) * | 2021-05-26 | 2021-08-13 | 百斯图工具制造有限公司 | Four-transposition high-precision gear milling blade and milling cutter |
| CN114871483A (en) * | 2022-05-05 | 2022-08-09 | 杭州超尔切削工具有限公司 | Milling cutter disc |
| CN115475989A (en) * | 2022-08-16 | 2022-12-16 | 南京工业大学 | Large-modulus indexable forming finish milling disc-shaped cutter |
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