Blade-replaceable finger type gear milling cutter

Abstract

The utility model discloses a blade-replaceable finger type gear milling cutter, particularly relates to the technical field of metal processing, and comprises a gear milling cutter main body for processing a gear, the gear milling cutter body comprises a cutter column body, a first chip containing groove, a second chip containing groove, a third chip containing groove and a fourth chip containing groove are formed in the outer portion of the cutter column body, and the first chip containing groove, the second chip containing groove, the third chip containing groove and the fourth chip containing groove are distributed in an annular array mode. The first chip containing groove, the second chip containing groove and the third chip containing groove are arranged. According to the utility model, the peripheral tooth blades or the top tooth blades on the gear milling cutter main body are disassembled and assembled through the fastening screws, so that a worker can adjust the layout of the peripheral tooth blades and the top tooth blades according to processing requirements, and the degree of freedom of arrangement of the peripheral tooth blades and the top tooth cutter shaft is improved; meanwhile, the cutting output and the cutting force of the peripheral tooth blade and the top tooth blade can be adjusted, so that the practicability and the operability of the cutter are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal processing technical field more specifically, it is a kind of replaceable blade formula finger gear gear milling cutter. BACKGROUND

[0002] Finger gear gear milling cutter is a kind of cutting tool specially used for processing large modulus gear, finger milling cutter usually presents finger, its structure makes it more applicable when processing large modulus gear.This design helps to improve cutting efficiency and tool durability, and the design of finger gear milling cutter is based on profiling method or instantaneous center envelope method, through these methods, the actual meshing process of gear can be effectively simulated, so that the gear processed has correct tooth shape and good matching performance, finger gear gear milling cutter is a kind of efficient, accurate special cutting tool, widely used in mechanical manufacturing field, especially in the processing of large modulus gear plays an important role.

[0003] Gear transmission is a way of transmitting motion and power through the meshing of gear teeth, and is the main form of mechanical transmission.It has the characteristics of high transmission efficiency, large carrying capacity, high transmission precision, high reliability and long service life, and has been widely used in aerospace, wind power, water conservancy and hydropower, engineering machinery and other fields.With the rapid development of new energy industry, especially wind power, water conservancy, mining and other industries, gear transmission plays a key role in these industries, and the required gear specifications are usually modulus 6-50mm, which leads to the fact that the gear milling cutter in the prior art cannot be arranged and laid out according to the gear specifications due to the fixation of the cutter, which will affect the processing efficiency. SUMMARY

[0004] Therefore, the utility model provides a replaceable blade formula finger gear gear milling cutter, through fastening screw to dismount on the gear milling cutter main part on the peripheral gear blade or top gear blade, so that staff can adjust the layout of peripheral gear blade and top gear blade according to the processing needs, improve the arrangement degree of freedom of peripheral gear blade and top gear shaft, and also can adjust the cutting amount and cutting force of peripheral gear blade and top gear blade, so as to improve the practicability and operability of the utility model, to solve the problems in the above background art.

[0005] The utility model discloses a technical scheme adopted is: a replaceable blade formula finger gear gear -milling cutter, including the gear -milling cutter main part for processing gear, the gear -milling cutter main part includes the tool post body, the tool post body outside is provided with first chip pocket, second chip pocket, third chip pocket and fourth chip pocket, and first chip pocket, second chip pocket, third chip pocket and fourth chip pocket are annular array distribution, first chip pocket, second chip pocket, third chip pocket and fourth chip pocket inside all are equipped with the peripheral gear blade, and first chip pocket top is equipped with the addendum gear blade, and the addendum gear blade is equipped in the top of a plurality of peripheral gear blades in first chip pocket.

[0006] Further, the first chip pocket corresponds to the side of the peripheral gear blade and the addendum gear blade, the second chip pocket corresponds to the side of the peripheral gear blade, the third chip pocket corresponds to the side of the peripheral gear blade, and the fourth chip pocket corresponds to the side of the peripheral gear blade, and each of the assembly holes is provided with a fastening screw.

[0007] Further, each assembly hole is provided with a fastening screw, and the peripheral gear blade and the addendum gear blade are fixed together by the fastening screw.

[0008] Further, the addendum gear blade is externally processed into a circular arc shape.

[0009] Further, the tool post body is provided with two interval distributed chip pocket angles corresponding to the side of the assembly hole, and the chip pocket angles are communicated with the assembly hole.

[0010] Further, the angle of the first chip pocket, the angle of the second chip pocket, the angle of the third chip pocket, and the angle of the fourth chip pocket are all set to 100 degrees.

[0011] The utility model discloses the beneficial effects are: through fastening screw to the peripheral gear blade in first chip pocket, the addendum gear blade, the peripheral gear blade in second chip pocket, the peripheral gear blade in third chip pocket and the peripheral gear blade in fourth chip pocket carry out convenient dismounting and fixing, so that staff can adjust the layout of the peripheral gear blade and the addendum gear blade according to the processing needs, improve the arrangement degree of freedom of the peripheral gear blade and the addendum gear shaft, can also adjust the cutting amount and cutting force of the peripheral gear blade and the addendum gear blade, thereby improve the practicability and operability of the utility model,

[0012] The first chip pocket, the second chip pocket, the third chip pocket and the fourth chip pocket accommodate and discharge the cutting chips generated in the processing process, ensure the smooth discharge of the cutting chips, avoid the influence on the processing efficiency or the damage of the peripheral gear blade and the addendum gear blade due to the cutting chip blockage, and also avoid the friction between the cutting chips and the peripheral gear blade and the addendum gear blade, reduce the wear speed of the peripheral gear blade and the addendum gear blade, thereby prolong the service life of the gear -milling cutter main part. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is the main view of the knife column body of the utility model;

[0015] Figure 3 For the utility model Figure 2 Cross-section view in the AA direction;

[0016] Figure 4 For the utility model Figure 2 Cross-section in the middle BB direction;

[0017] Figure 5 It is a partial schematic diagram of the top of the knife column body of the utility model.

[0018] In the figure: 1. Tool column body; 2. First chip groove; 3. Second chip groove; 4. Third chip groove; 5. Fourth chip groove; 6. Peripheral tooth blade; 7. Top tooth blade; 8. Assembly hole; 9. Fastening screw; 10. Chip groove angle. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] Refer to the instruction manual Figures 1-5 The utility model provides a replaceable blade type finger-type gear milling cutter, comprising a milling cutter body for machining gears.

[0021] like Figure 1 、 2 As shown in Figures 3 and 5, the milling cutter body includes a tool column body 1, and a first chip groove 2, a second chip groove 3, a third chip groove 4 and a fourth chip groove 5 are provided on the outside of the tool column body 1, and the first chip groove 2, the second chip groove 3, the third chip groove 4 and the fourth chip groove 5 are distributed in a circular array; the first chip groove 2, the second chip groove 3, the third chip groove 4 and the fourth chip groove 5 are all provided with circumferential tooth blades 6, and the top of the first chip groove 2 is provided with a top tooth blade 7, and the top tooth blade 7 is arranged on the top of the multiple circumferential tooth blades 6 located in the first chip groove 2.

[0022] The convenient dismounting and fixing of the peripheral tooth blade 6 in the first chip groove 2, the top tooth blade 7, the peripheral tooth blade 6 in the second chip groove 3, the peripheral tooth blade 6 in the third chip groove 4 and the peripheral tooth blade 6 in the fourth chip groove 5 through the fastening screw 9 can enable the staff to adjust the layout of the peripheral tooth blade 6 and the top tooth blade 7 according to the machining needs, improve the arrangement freedom degree of the peripheral tooth blade 6 and the top tooth blade, and also can adjust the cutting amount and the cutting force of the peripheral tooth blade 6 and the top tooth blade 7, thereby improving the practicability and operability of the utility model, and the setting of the first chip groove 2, the second chip groove 3, the third chip groove 4 and the fourth chip groove 5 can accommodate and discharge the cutting chips generated in the machining process, ensure the smooth discharge of the cutting chips, avoid the influence of the machining efficiency or the damage of the peripheral tooth blade 6 and the top tooth blade 7 caused by the cutting chip blockage, and also can avoid the friction between the cutting chips and the peripheral tooth blade 6 and the top tooth blade 7, reduce the abrasion speed of the peripheral tooth blade 6 and the top tooth blade 7, thereby prolonging the service life of the tooth milling cutter main body.

[0023] In order to facilitate the dismounting and mounting of the peripheral tooth blade 6 and the top tooth blade 7, as shown in Figure 1 , the first chip groove 2 is provided with an assembly hole 8 corresponding to one side of the peripheral tooth blade 6 and the top tooth blade 7, the second chip groove 3 is provided with an assembly hole 8 corresponding to one side of the peripheral tooth blade 6, the third chip groove 4 is provided with an assembly hole 8 corresponding to one side of the peripheral tooth blade 6, and the fourth chip groove 5 is provided with an assembly hole 8 corresponding to one side of the peripheral tooth blade 6, the peripheral tooth blade 6 and the top tooth blade 7 are assembled and fixed through the assembly hole 8, and the fastening screw 9 is arranged in each assembly hole 8, so that the peripheral tooth blade 6 and the top tooth blade 7 are fixed together through the fastening screw 9, the staff can operate the fastening screw 9 to fix and mount the assembled peripheral tooth blade 6 and top tooth blade 7, and the stability of the peripheral tooth blade 6 and the top tooth blade 7 can be ensured, and the loosening of the peripheral tooth blade 6 and the top tooth blade 7 to affect the cutting effect can be avoided.

[0024] In order to ensure the cutting stability of the top tooth blade 7, as shown in Figure 1 , the top tooth blade 7 is processed into an arc shape, the top tooth blade 7 arranged in the arc shape can disperse the cutting force and reduce the cutting force, the machining is more stable, the material removal rate is improved, and the cutting effect of the utility model is ensured.

[0025] In order to facilitate the smooth discharge of the cutting chips and avoid the cutting chip accumulation to affect the cutting effect, as shown in Figures 1-5As shown, the cutter column body 1 is provided with two spaced apart chip groove corners 10 on one side corresponding to the assembly hole 8, the chip groove corners 10 are communicated with the assembly hole 8, the angle of the first chip groove 2, the angle of the second chip groove 3, the angle of the third chip groove 4 and the angle of the fourth chip groove 5 are all set to 100 degrees, the setting of the chip groove corner 10 can change the flow direction and form of the chip in the cutting process, thereby reducing the cutting force, reducing the wear of the peripheral tooth blade 6 and the top tooth blade 7, prolonging the service life of the cutter body, and the chip groove corner 10 can reduce the residence time of the chip, avoid affecting the machining efficiency or causing damage to the peripheral tooth blade 6 and the top tooth blade 7 due to chip blockage.

Claims

1. An indexable blade-type pinion gear generating tool comprising a gear generating tool body for machining a gear; characterized in that: The milling tooth cutter body comprises a cutter column body (1), the cutter column body (1) is externally provided with a first chip groove (2), a second chip groove (3), a third chip groove (4) and a fourth chip groove (5), and the first chip groove (2), the second chip groove (3), the third chip groove (4) and the fourth chip groove (5) are arranged in a ring shape; the first chip groove (2), the second chip groove (3), the third chip groove (4) and the fourth chip groove (5) are internally provided with a peripheral tooth blade (6), and the first chip groove (2) is provided with a top tooth blade (7) at the top end, and the top tooth blade (7) is arranged at the top of the peripheral tooth blade (6) in the first chip groove (2).

2. A replaceable blade type pinion gear milling cutter according to claim 1, characterized in that: The first chip groove (2) is provided with an assembly hole (8) on one side corresponding to the peripheral tooth blade (6) and the top tooth blade (7), the second chip groove (3) is provided with an assembly hole (8) on one side corresponding to the peripheral tooth blade (6), the third chip groove (4) is provided with an assembly hole (8) on one side corresponding to the peripheral tooth blade (6), and the fourth chip groove (5) is provided with an assembly hole (8) on one side corresponding to the peripheral tooth blade (6).

3. A replaceable blade type pinion gear milling cutter according to claim 2, characterized in that: Each assembly hole (8) is internally provided with a fastening screw (9), and the peripheral tooth blade (6) and the top tooth blade (7) are fixed together through the fastening screw (9) and the assembly hole (8).

4. A replaceable blade type pinion gear milling cutter according to claim 1, characterized in that: The top tooth blade (7) is externally processed into a circular arc shape.

5. A replaceable blade type pinion gear milling cutter according to claim 2, characterized in that: The cutter column body (1) is provided with two interval distributed chip groove corners (10) on one side corresponding to the assembly hole (8), and the chip groove corner (10) is communicated with the assembly hole (8).

6. A replaceable insert type pin gear cutting tool according to claim 1, characterized in that: The angle of the first chip groove (2), the angle of the second chip groove (3), the angle of the third chip groove (4) and the angle of the fourth chip groove (5) are all 100 degrees.

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