CN220216972U - Gear machining tool bit with positioning groove - Google Patents
Gear machining tool bit with positioning groove Download PDFInfo
- Publication number
- CN220216972U CN220216972U CN202321616178.XU CN202321616178U CN220216972U CN 220216972 U CN220216972 U CN 220216972U CN 202321616178 U CN202321616178 U CN 202321616178U CN 220216972 U CN220216972 U CN 220216972U
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- positioning
- gear
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- 238000003754 machining Methods 0.000 title claims abstract description 61
- 238000005520 cutting process Methods 0.000 claims abstract description 80
- 230000007704 transition Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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Abstract
The utility model discloses a gear machining tool bit with a positioning groove, which belongs to the technical field of gear machining tools and comprises a tool bit body and a positioning through hole arranged on the tool bit body, wherein the upper surface and the lower surface of the tool bit body are both provided with the positioning groove, the positioning groove enhances the rigidity and the positioning precision of a blade, the sharpness of the tool and the quality of a machining surface are improved, and meanwhile, the cutting consistency of the blade is enhanced; the front end and the rear end of the cutter head body are provided with cutting edges, so that the gear machining cutter head can be reused by changing the mounting position of the cutter head body, and the service life of the gear machining cutter head is prolonged; the cutting front angle of the gear machining tool bit is set to be 8-15 degrees, the cutting back angle of the gear machining tool bit is set to be 2-5 degrees, and the cutting force of the cutter in the cutting process is lower, the cutting speed is faster, the cutting effect is better, and the service life is longer by optimizing the cutting front angle and the cutting back angle of the gear machining tool bit.
Description
Technical Field
The utility model relates to the technical field related to gear machining cutters, in particular to a gear machining cutter head with a positioning groove.
Background
The gear machining tool is a gear machining tool dedicated to cutting various gear tooth profiles. The gear machining tool can be divided into a straight tooth gear tool, an arc tooth gear tool, an extended outer cycloid gear tool and the like according to the types of gears to be cut, and the existing gear machining tool is high in cutting force in the cutting process due to unreasonable setting of a front angle and a rear angle, low in cutting efficiency, high in tool abrasion and low in service life.
Disclosure of Invention
The utility model provides a gear machining tool bit with a positioning groove, and aims to solve the technical defects.
The specific technical scheme provided by the utility model is as follows:
the gear machining tool bit with the positioning groove comprises a tool bit body and a positioning through hole arranged on the tool bit body, wherein the positioning groove is arranged on the upper surface and the lower surface of the tool bit body, cutting edges are arranged at the front end and the rear end of the tool bit body, the cutting front angle of the gear machining tool bit is 8-15 degrees, and the cutting rear angle of the gear machining tool bit is 2-5 degrees.
Optionally, the positioning through hole is located the middle part of tool bit body, the positioning through hole includes taper hole, middle cylinder hole and lower taper hole, go up the taper hole middle cylinder hole with smooth transition between the lower taper hole.
Optionally, the upper taper hole, the middle cylindrical hole and the lower taper hole are mutually communicated, the upper taper hole is identical to the lower taper hole, and the upper taper hole and the lower taper hole are respectively positioned at two sides of the middle cylindrical hole.
Optionally, the positioning groove is a square groove, and the positioning grooves located on the upper surface and the lower surface of the cutter head body penetrate through the upper surface and the lower surface of the cutter head body respectively.
Optionally, the cutting rake angle of the gear machining tool bit is 8 °, and the cutting relief angle of the gear machining tool bit is 2.6 °.
Optionally, the cutting edge that the front end of tool bit body set up is located the upper surface of tool bit body, the cutting edge that the rear end of tool bit body set up is located the lower surface of tool bit body.
Optionally, the cutting edge that the front end of tool bit body set up is located the lower surface of tool bit body, the cutting edge that the rear end of tool bit body set up is located the upper surface of tool bit body.
Optionally, the middle parts of the upper surface and the lower surface of the tool bit body are both concave inwards.
The utility model has the following beneficial technical effects:
the embodiment of the utility model provides a gear machining tool bit with a positioning groove, which comprises a tool bit body and a positioning through hole arranged on the tool bit body, wherein the upper surface and the lower surface of the tool bit body are both provided with the positioning groove, the positioning groove enhances the rigidity and the positioning precision of a blade, the sharpness of the tool and the quality of a machining surface are improved, and meanwhile, the cutting consistency of the blade is enhanced; the front end and the rear end of the cutter head body are provided with cutting edges, so that the gear machining cutter head can be reused by changing the mounting position of the cutter head body, and the service life of the gear machining cutter head is prolonged; the cutting front angle of the gear machining tool bit is set to be 8-15 degrees, the cutting back angle of the gear machining tool bit is set to be 2-5 degrees, and the cutting force of the cutter in the cutting process is lower, the cutting speed is faster, the cutting effect is better, and the service life is longer by optimizing the cutting front angle and the cutting back angle of the gear machining tool bit.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an isometric structure of a gear machining tool bit with a positioning slot according to an embodiment of the utility model;
FIG. 2 is a schematic front view of a gear processing tool bit with a positioning slot according to an embodiment of the present utility model;
FIG. 3 is a schematic side view of a gear machining tool bit with a positioning slot according to an embodiment of the present utility model;
fig. 4 is a schematic top view of a gear machining tool bit with a positioning slot according to an embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The gear machining tool bit with the positioning groove according to the embodiment of the utility model will be described in detail with reference to fig. 1 to 4.
Referring to fig. 1 to 4, the gear machining tool bit with the positioning groove provided by the embodiment of the utility model can be installed on a gear milling cutter head for gear tooth shape machining, the gear machining tool bit of the embodiment of the utility model comprises a tool bit body 1 and a positioning through hole 2 arranged on the tool bit body 1, the upper surface and the lower surface of the tool bit body 1 are both provided with the positioning groove 3, the positioning groove 3 enhances the rigidity and the positioning precision of a blade, the sharpness of the tool and the quality of a machining surface are improved, and meanwhile, the cutting consistency of the blade is enhanced; the front end and the rear end of the tool bit body 1 are both provided with cutting edges 4, and then the gear machining tool bit can be reused by exchanging the installation positions of the tool bit body.
Referring to fig. 1, 2, 3 and 4, the positioning through hole 2 is located in the middle of the tool bit body 1, and the positioning through hole 2 includes an upper taper hole 201, a middle cylindrical hole 202 and a lower taper hole 203, and smooth transitions are formed between the upper taper hole 201, the middle cylindrical hole 202 and the lower taper hole 203. The upper taper hole 201, the middle cylindrical hole 202 and the lower taper hole 203 are communicated with each other, the upper taper hole 201 and the lower taper hole 203 are the same, and the upper taper hole 201 and the lower taper hole 203 are respectively positioned on two sides of the middle cylindrical hole 202. The arrangement of the upper taper hole 201 and the lower taper hole 203 can improve the installation and positioning precision of the gear machining tool bit in the embodiment of the utility model, and the upper taper hole 201 and the lower taper hole 203 with the same structure are respectively positioned at two sides of the middle cylindrical hole 202, so that the installation positions of the tool bit body can be conveniently changed, and the machining by utilizing the cutting edges at the front end or the rear end of the gear machining tool bit is realized.
Further, the cutting edge 4 arranged at the front end of the cutter head body 1 of the gear machining cutter head in the embodiment of the utility model is located on the upper surface of the cutter head body 1, and the cutting edge 4 arranged at the rear end of the cutter head body 1 is located on the lower surface of the cutter head body. Or, the cutting edge 4 arranged at the front end of the cutter head body 1 is located on the lower surface of the cutter head body 1, and the cutting edge 4 arranged at the rear end of the cutter head body 1 is located on the upper surface of the cutter head body, that is, the cutting edges arranged at the front end and the rear end of the cutter head body 1 are distributed symmetrically relative to the center of the positioning through hole 2.
Further, the cutting front angle of the gear machining tool bit is 8-15 degrees, and the cutting back angle is 2-5 degrees. Through optimizing the cutting rake angle and the cutting relief angle of gear machining tool bit, make the cutter lower at the cutting force of cutting in-process, cutting speed is faster, and the row cuts the effect better, and life is longer. Preferably, the cutting rake angle of the gear machining tool bit is 8 degrees, the cutting relief angle is 2.6 degrees, the cutting rake angle is set to be 8 degrees, the cutting force of the tool in the cutting process is the lowest when the cutting relief angle is set to be 2.6 degrees, the cutting speed is the fastest, the cutting effect is good, and the service life is long.
Referring to fig. 1, 2, 3 and 4, the positioning groove 3 in the embodiment of the present utility model is a square groove, the positioning grooves 3 located on the upper surface and the lower surface of the cutter head body 1 respectively penetrate the upper surface and the lower surface of the cutter head body 1, that is, the positioning grooves 3 disposed on the upper surface and the lower surface of the cutter head body 1 are through grooves with the same structure, and the middle parts of the upper surface and the lower surface of the cutter head body 1 are recessed inwards, that is, the cutter head body 1 presents a structure with thick ends and thin middle parts, so that the cutting speed can be better improved and the friction resistance in the cutting process can be reduced.
The embodiment of the utility model provides a gear machining tool bit with a positioning groove, which comprises a tool bit body and a positioning through hole arranged on the tool bit body, wherein the upper surface and the lower surface of the tool bit body are both provided with the positioning groove, the positioning groove enhances the rigidity and the positioning precision of a blade, the sharpness of the tool and the quality of a machining surface are improved, and meanwhile, the cutting consistency of the blade is enhanced; the front end and the rear end of the cutter head body are provided with cutting edges, so that the gear machining cutter head can be reused by changing the mounting position of the cutter head body, and the service life of the gear machining cutter head is prolonged; the cutting front angle of the gear machining tool bit is set to be 8-15 degrees, the cutting back angle of the gear machining tool bit is set to be 2-5 degrees, and the cutting force of the cutter in the cutting process is lower, the cutting speed is faster, the cutting effect is better, and the service life is longer by optimizing the cutting front angle and the cutting back angle of the gear machining tool bit.
It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present utility model without departing from the spirit or scope of the embodiments of the utility model. Thus, if such modifications and variations of the embodiments of the present utility model fall within the scope of the claims and the equivalents thereof, the present utility model is also intended to include such modifications and variations.
Claims (8)
1. The gear machining tool bit with the positioning groove is characterized by comprising a tool bit body and a positioning through hole arranged on the tool bit body, wherein the positioning groove is formed in the upper surface and the lower surface of the tool bit body, cutting edges are arranged at the front end and the rear end of the tool bit body, the cutting front angle of the gear machining tool bit is 8-15 degrees, and the cutting rear angle of the gear machining tool bit is 2-5 degrees.
2. The gear machining tool bit according to claim 1, wherein the positioning through hole is located in the middle of the tool bit body, the positioning through hole comprises an upper taper hole, a middle cylindrical hole and a lower taper hole, and smooth transitions are formed among the upper taper hole, the middle cylindrical hole and the lower taper hole.
3. The gear machining head according to claim 2, wherein the upper tapered bore, the middle cylindrical bore and the lower tapered bore are in communication with each other, the upper tapered bore and the lower tapered bore being identical and the upper tapered bore and the lower tapered bore being located on both sides of the middle cylindrical bore, respectively.
4. The gear machining head according to claim 1, wherein the positioning groove is a square groove, and the positioning grooves on the upper surface and the lower surface of the head body penetrate the upper surface and the lower surface of the head body, respectively.
5. The gear cutting head of claim 1 wherein the cutting rake angle of the gear cutting head is 8 ° and the cutting relief angle of the gear cutting head is 2.6 °.
6. The gear machining head according to claim 1, wherein the cutting edge provided at the front end of the head body is located on the upper surface of the head body, and the cutting edge provided at the rear end of the head body is located on the lower surface of the head body.
7. The gear machining head according to claim 1, wherein the cutting edge provided at the front end of the head body is located at the lower surface of the head body, and the cutting edge provided at the rear end of the head body is located at the upper surface of the head body.
8. The gear machining head according to claim 1, wherein the central portions of the upper and lower surfaces of the head body are each recessed inwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321616178.XU CN220216972U (en) | 2023-06-25 | 2023-06-25 | Gear machining tool bit with positioning groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321616178.XU CN220216972U (en) | 2023-06-25 | 2023-06-25 | Gear machining tool bit with positioning groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220216972U true CN220216972U (en) | 2023-12-22 |
Family
ID=89187744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321616178.XU Active CN220216972U (en) | 2023-06-25 | 2023-06-25 | Gear machining tool bit with positioning groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220216972U (en) |
-
2023
- 2023-06-25 CN CN202321616178.XU patent/CN220216972U/en active Active
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