CN114888319A - Novel cutter head for machining spiral bevel gear and cutter strip installation and adjustment method - Google Patents
Novel cutter head for machining spiral bevel gear and cutter strip installation and adjustment method Download PDFInfo
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- CN114888319A CN114888319A CN202210642619.7A CN202210642619A CN114888319A CN 114888319 A CN114888319 A CN 114888319A CN 202210642619 A CN202210642619 A CN 202210642619A CN 114888319 A CN114888319 A CN 114888319A
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000003754 machining Methods 0.000 title claims abstract description 35
- 238000009434 installation Methods 0.000 title claims abstract description 25
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 230000007774 longterm Effects 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention relates to the field of cutting machining tools, in particular to a novel cutter head for machining spiral bevel gears and a cutter bar installation and adjustment method, wherein the novel cutter head comprises a cutter head (1), an adjusting screw (2), a threaded connecting piece (3), a cutter bar (4), a positioning spring (5) and a clamping screw (6); the cutter head adopts a mode of butting the adjusting screw and the clamping screw to fixedly clamp the cutter strip, and obtains the number of turns screwed in the adjusting screw to adjust the position of the cutter strip according to the relation between the parameter of the workpiece gear to be processed and the pitch of the adjusting screw.
Description
Technical Field
The invention relates to the field of cutting machining tools, in particular to a novel cutter head for machining a spiral bevel gear and a cutter bar installation and adjustment method.
Background
The arc gear has the characteristics of large transmission overlapping coefficient, high bearing capacity, long service life and the like, is widely applied to the mechanical transmission field of spaceflight, ships, automobiles and the like, and the processing precision and the quality of the arc gear influence the working performance of mechanical equipment.
When the existing cutter head for processing the spiral bevel gear with different parameters is used for processing the spiral bevel gear with different parameters, adjusting gaskets with different thicknesses are generally filled between a cutter bar and the cutter head to adjust the position of the cutter bar, and the positioning and the clamping of the cutter bar respectively adopt a positioning screw and a clamping screw; when the cutter bar is installed, the cutter bar is positioned by a positioning screw, and then the cutter bar is fixed by a clamping screw; when different spiral bevel gears are machined by the method, the adjusting gaskets need to be frequently replaced to adjust the positions of the cutter bars, and the method is not beneficial to efficient production and machining of the spiral bevel gears.
Therefore, the novel cutter head for machining the spiral bevel gear and the cutter bar installation and adjustment method are designed, the spiral bevel gear with different parameters can be machined, the difficulty in adjusting and installing the cutter bar can be reduced, the machining efficiency is further improved, and the method has high adjustment and installation accuracy.
Disclosure of Invention
The invention provides a novel cutter head for machining a spiral bevel gear and a cutter strip installation and adjustment method, and mainly solves the problems of low machining efficiency, influence on machining quality and the like caused by the fact that the position of a cutter strip is adjusted and the cutter strip is clamped complexly in the installation and adjustment process of the cutter strip.
The invention adjusts the position of the cutter bar in the cutter bar mounting hole through the adjusting screw, and realizes the processing of spiral bevel gears with different parameters; the method has the advantages that the cutter bar is positioned and clamped by the clamping screw and the spring, the method has high installation precision, the cutter bar is convenient to adjust and install, and the processing efficiency can be improved.
In order to solve the technical problem, the invention adopts the following technical scheme: a novel cutter head for machining a spiral bevel gear and a cutter bar installation and adjustment method comprise a cutter head (1), an adjusting screw (2), a threaded connecting piece (3), a cutter bar (4), a positioning spring (5) and a clamping screw (6).
The cutter head (1) clamps and fixes the cutter strips (4) in a mode that screws on two sides are butted, and screw holes of the adjusting screws (2) on the cutter head (1) and screw holes of the clamping screws (6) are concentrically arranged; the threaded connecting piece (3) and the cutter head (1) are connected with the cutter head (1) in an embedded mode through bosses on the surfaces of the threaded connecting piece (3), wherein an adjusting screw hole of the threaded connecting piece (3) is of a threaded hole structure, an adjusting screw hole of the cutter head (1) is of a through hole structure, and the inner diameter of the through hole is slightly larger than that of the adjusting screw (2); after passing through the cutter head, the adjusting screw (2) is in contact with the cutter strip (4) through the threaded connecting piece (3); the clamping screw (6) adopts a boss structure, a positioning spring (5) is arranged at the boss, the length of the positioning spring (5) is greater than that of a region connected with the screw, and the inner diameter of the positioning spring (5) is smaller than that of the clamping screw hole of the cutter head (1).
The beneficial effects of the invention are as follows:
the invention relates to the field of cutting machining tools, in particular to a novel cutter head for machining spiral bevel gears and a cutter strip installation and adjustment method, which are characterized in that a threaded connecting piece (3) and the cutter head (1) adopt a separated structure, an adjusting screw (2) penetrates through the cutter head (1) and then is connected with the threaded connecting piece (3), and errors are caused due to the fact that the adjusting screw (2) has thread abrasion in the long-term adjustment process; therefore, the separated structure can ensure that the threaded connecting piece (3) is only required to be replaced periodically after the threads of the connecting piece are worn, and the cutter head (1) is not required to be replaced.
The invention relates to the field of cutting machining tools, in particular to a novel cutter head for machining a spiral bevel gear and a cutter strip installation and adjustment method, which are characterized in that a positioning screw hole and an adjusting screw hole of the cutter head (1) are concentrically arranged, and the structure can ensure that the cutter strip (4) is uniformly stressed in the clamping process, and avoid the phenomenon that the position of the cutter strip (4) slides due to nonuniform stress and vibration influence in the cutting machining process, so that the machining precision of the spiral bevel gear is influenced.
The invention relates to the field of cutting machining tools, in particular to a novel cutter head for machining spiral bevel gears and a cutter bar installation and adjustment method, and is characterized in that a structure formed by a clamping screw (6) and a positioning spring (5) can play a role in positioning and clamping, the positioning spring (5) can firstly contact the cutter bar and tightly press the cutter bar (4) to a threaded connecting piece (3) under the action of spring force in the screwing process of the clamping screw (6), and the cutter bar (4) can be fixed through the clamping screw (6) after the position of the cutter bar (4) is determined by an adjusting screw (2), so that the structure is simpler and easier in actual operation.
The invention relates to the field of cutting tools, in particular to a novel cutter head for machining spiral bevel gears and a cutter bar installation and adjustment method, which are characterized in that the position of a cutter bar (4) can be changed by adjusting a screw (2), so that the spiral bevel gears with different parameters can be machined; compared with the traditional method of placing gaskets with different thicknesses, the method is simpler and has higher precision; according to the screw pitch of the adjusting screw (2), the position of the tool section (4) can be determined through the number of turns of the screwed screw, and when the parameters of the processed spiral bevel gear need to be changed or the tool section (4) needs to be replaced, the position of the tool section (4) can be adjusted or the tool section (4) can be replaced only by unscrewing the clamping screw (6) to separate the clamping screw (6) from the tool section (4).
Drawings
Fig. 1 is a schematic structural diagram of a novel cutter head and a cutter bar installation and adjustment method for machining a spiral bevel gear.
Fig. 2 is a schematic diagram of a novel cutter head for machining spiral bevel gears and a cutter bar before clamping in a cutter bar installation and adjustment method.
FIG. 3 is a schematic diagram of a new cutter head for processing spiral bevel gears and a clamped cutter bar of a cutter bar installation and adjustment method.
Fig. 4 is a schematic view of a novel cutter head for machining spiral bevel gears and a threaded connection for a tool bar installation adjustment method.
FIG. 5 is a schematic view of a novel cutter head for machining spiral bevel gears and a cutter bar installation and adjustment method under the unclamped condition of a positioning spring and a clamping screw.
The labels in the figure are: the cutter head (1), the adjusting screw (2), the threaded connecting piece (3), the cutter strip (4), the positioning spring (5) and the clamping screw (6).
Detailed Description
Fig. 1 is a schematic structural diagram of a novel cutter head and a cutter bar installation and adjustment method for machining a spiral bevel gear, and the structure diagram comprises the cutter head (1), an adjusting screw (2), a threaded connecting piece (3), a cutter bar (4), a positioning spring (5) and a clamping screw (6).
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 5, and the novel cutter head and the cutter bar installation and adjustment method for machining a spiral bevel gear according to the embodiment are characterized in that the cutter head (1) and the cutter bar (4) are of a separated structure according to fig. 1, the cutter bar (4) is clamped and fixed in a mode of butting screws at two sides, and screw holes of an adjusting screw (2) and screw holes of a clamping screw (6) on the cutter head (1) are concentrically arranged; the concentric arrangement mode can lead the knife strip (4) to be stressed uniformly, and the sliding of the position of the knife strip (4) caused by uneven stress and vibration in the cutting process is avoided; the thread connecting piece (3) and the cutter head (1) are connected with the cutter head (1) in an embedded mode through a boss on the surface of the thread connecting piece (3), wherein an adjusting screw hole of the thread connecting piece (3) is in a threaded hole form, an adjusting screw hole of the cutter head (1) is not threaded and is in a through hole form, the inner diameter of the through hole is slightly larger than the inner diameter of the adjusting screw (2), and the adjusting screw (2) penetrates through the cutter head (1) and then is in contact with the cutter strip (4) through the thread connecting piece (3); the clamping screw (6) adopts a boss structure, a positioning spring (5) is distributed at the boss, the length of the positioning spring (5) is greater than that of a region connected with the screw, and the inner diameter of the positioning spring (5) is smaller than that of the clamping screw hole of the cutter head (1); firstly, after the threaded connecting piece (3) is embedded into the cutter head, the cutter strip (4) is inserted into the cutter strip mounting hole; secondly, screwing a clamping screw (6) and a positioning spring (5) into the cutter head and enabling the cutter bar (4) to be in contact with the threaded connecting piece (3) by utilizing the elastic force of the positioning spring; finally, screwing in the adjusting screw (2), taking the moment when the cutter bar (4) and the threaded connecting piece (3) are just separated as an initial condition, and adjusting the number of turns of screwing in the adjusting screw (2) according to the parameters of the processed spiral bevel gear and the pitch relation of the adjusting screw (2) under the initial condition.
The second embodiment is as follows: the embodiment is described by combining the attached drawings 1 and 4, the two sides of the threaded connecting piece (3) are provided with boss structures which are matched with groove structures arranged on the arc-tooth bevel gear cutter head (1), so that the threaded connecting piece (3) can be embedded into the cutter head (1); the adjusting screw (2) can penetrate through the screw hole of the cutter head (1) and then is screwed into the threaded connecting piece (3) to be in contact with the cutter bar (4), and threads in the threaded connecting piece (3) are abraded due to friction under long-term work, so that the threaded connecting piece (3) needs to be replaced periodically to ensure the positioning accuracy.
The third concrete implementation mode: the embodiment is described with reference to fig. 1 and 5, fig. 5 is a connection mode of a positioning spring (5) and a clamping screw (6), and the length of the positioning spring (5) in an uncompressed state is greater than the length of a non-threaded area of the clamping screw (6); after the clamping screw (6) is screwed into the cutter head (1), the elastic force of the positioning spring (5) can enable the cutter bar (4) to be in contact with the threaded connecting piece (3), the position of the cutter bar (4) in the cutter bar mounting hole can be adjusted under the action of the elastic force of the positioning spring (5) and the adjusting screw (2), and finally the clamping screw (6) is screwed to be in contact with the cutter bar (4) to clamp the cutter bar.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 2 and fig. 3, wherein fig. 2 and fig. 3 are schematic views of the blade (4) before and after clamping; as shown in the attached drawing 2, the tool section (4) is in contact with the threaded connecting piece (3) under the unclamped state due to the elastic force of the positioning spring (5), the tool section (4) is moved transversely in the mounting hole through the adjusting screw (2), the transverse displacement of the tool section (4) is adjusted according to the parameters of the processed spiral bevel gear, and after the tool section (4) completes the adjusting operation, the tool section (4) is clamped through the clamping screw (6) as shown in the attached drawing 3; when the parameters of the processed spiral bevel gear need to be changed, the clamping screw (6) is loosened to separate the clamping screw (6) from the tool section (4), the tool section (4) cannot slide under the action of the spring force, the tool section (4) is repositioned through the adjusting screw (2), and clamping and fixing are carried out through the clamping screw (6); when the cutter bar (4) needs to be replaced, the cutter bar (4) can be replaced only by unscrewing the clamping screw (6).
Claims (5)
1. The invention relates to a novel cutter head for machining a spiral bevel gear and a cutter strip installation and adjustment method, which are characterized by comprising a cutter head (1), an adjusting screw (2), a threaded connecting piece (3), a cutter strip (4), a positioning spring (5) and a clamping screw (6). The cutter head clamps and fixes the cutter strips (4) in a mode that screws on two sides are butted, and screw holes of the adjusting screws (2) on the cutter head (1) and screw holes of the clamping screws (6) are concentrically arranged; the thread connecting piece (3) and the cutter head (1) are connected with the cutter head (1) in an embedded mode through a boss on the surface of the thread connecting piece (3), wherein an adjusting screw hole of the thread connecting piece (3) is of a threaded hole structure, an adjusting screw hole of the cutter head (1) is of a through hole structure, the inner diameter of the through hole is slightly larger than the inner diameter of the adjusting screw (2), and the adjusting screw (2) penetrates through the cutter head (1) and then contacts with the cutter strip through the thread connecting piece (3). The clamping screw (6) adopts a boss structure, a positioning spring (5) is arranged at the boss, the length of the positioning spring (5) is greater than that of a region connected with the screw, and the inner diameter of the positioning spring (5) is smaller than that of the clamping screw hole of the cutter head (1).
2. The novel cutter head and the cutter bar installation and adjustment method for machining the spiral bevel gear according to claim 1 are characterized in that the threaded connecting piece (3) and the cutter head (1) adopt a separated structure, the adjusting screw (2) penetrates through the cutter head (1) and then is connected with the threaded connecting piece (3), and errors are caused due to the fact that the adjusting screw (2) can have thread abrasion in a long-term adjusting process; therefore, the separated structure can ensure that the threaded connecting piece (3) is only required to be replaced periodically after the threads of the connecting piece are worn, and the cutter head (1) is not required to be replaced.
3. The novel cutter head and the cutter bar mounting and adjusting method for machining the spiral bevel gear according to claim 1 are characterized in that the positioning screw holes and the adjusting screw holes of the cutter head (1) are concentrically arranged, and the structure can enable the cutter bars (4) to be stressed uniformly in the clamping process, so that the phenomenon that the position of the cutter bars (4) slides due to the influence of nonuniform stress and vibration in the cutting machining process, and further the machining precision of the spiral bevel gear is influenced, is avoided.
4. The novel cutter head and the cutter bar installation and adjustment method for machining the spiral bevel gear according to claim 1 are characterized in that a structure formed by the clamping screw (6) and the positioning spring (5) can play a role in positioning and clamping, in the screwing-in process of the clamping screw (6), the positioning spring (5) can firstly contact the cutter bar and tightly press the cutter bar (4) to the threaded connecting part (3) under the action of the spring force, and after the position of the cutter bar (4) is determined by the adjusting screw (2), the cutter bar (4) can be fixed through the clamping screw (6), and the structure is simpler and easier in actual operation.
5. The novel cutter head and the cutter bar installation and adjustment method for machining the spiral bevel gear according to claim 1 are characterized in that the position of the cutter bar (4) can be changed through the adjusting screw (2), so that the spiral bevel gear with different parameters can be machined; compared with the traditional method of placing gaskets with different thicknesses, the method is simpler and has higher precision; according to the screw pitch of the adjusting screw (2), the position of the tool section (4) can be determined through the number of turns of the screwed screw, and when the parameters of the processed spiral bevel gear need to be changed or the tool section (4) needs to be replaced, the position of the tool section (4) can be adjusted or the tool section (4) can be replaced only by unscrewing the clamping screw (6) to separate the clamping screw (6) from the tool section (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210642619.7A CN114888319A (en) | 2022-06-08 | 2022-06-08 | Novel cutter head for machining spiral bevel gear and cutter strip installation and adjustment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210642619.7A CN114888319A (en) | 2022-06-08 | 2022-06-08 | Novel cutter head for machining spiral bevel gear and cutter strip installation and adjustment method |
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| Publication Number | Publication Date |
|---|---|
| CN114888319A true CN114888319A (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210642619.7A Pending CN114888319A (en) | 2022-06-08 | 2022-06-08 | Novel cutter head for machining spiral bevel gear and cutter strip installation and adjustment method |
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| CN (1) | CN114888319A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115635148A (en) * | 2022-10-21 | 2023-01-24 | 湖南中大创远数控装备有限公司 | Correction method of sharp tooth cutting tool for cutting spiral bevel gear |
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| CN214417851U (en) * | 2021-03-19 | 2021-10-19 | 湖南中大创远数控装备有限公司 | Cutting tool with pre-tensioned spring |
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| GB673932A (en) * | 1947-05-24 | 1952-06-18 | Gleason Works | Improvements in gear cutters |
| GB1468500A (en) * | 1975-05-15 | 1977-03-30 | Ford Motor Co | Cutter head |
| CH600978A5 (en) * | 1976-02-19 | 1978-06-30 | Schmalkalden Werkzeug | |
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| CN208261943U (en) * | 2018-04-26 | 2018-12-21 | 长沙哈量凯帅精密机械有限公司 | A kind of split type spiral bevel gear cutter |
| CN208341929U (en) * | 2018-05-03 | 2019-01-08 | 哈尔滨理工大学 | For processing three nail clip locking structures of the pointed tooth formula cutterhead of contour sector bevel gear |
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| CN214023888U (en) * | 2020-12-28 | 2021-08-24 | 陕西国防工业职业技术学院 | Fine adjustment type gear milling cutter disc |
| CN112958851A (en) * | 2021-03-19 | 2021-06-15 | 湖南中大创远数控装备有限公司 | Cutting tool with pre-tensioned spring and method of assembling same |
| CN214417851U (en) * | 2021-03-19 | 2021-10-19 | 湖南中大创远数控装备有限公司 | Cutting tool with pre-tensioned spring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115635148A (en) * | 2022-10-21 | 2023-01-24 | 湖南中大创远数控装备有限公司 | Correction method of sharp tooth cutting tool for cutting spiral bevel gear |
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Application publication date: 20220812 |