CN113275668A - Bidirectional hob, chamfering, groove milling and deburring method - Google Patents
Bidirectional hob, chamfering, groove milling and deburring method Download PDFInfo
- Publication number
- CN113275668A CN113275668A CN202110532566.9A CN202110532566A CN113275668A CN 113275668 A CN113275668 A CN 113275668A CN 202110532566 A CN202110532566 A CN 202110532566A CN 113275668 A CN113275668 A CN 113275668A
- Authority
- CN
- China
- Prior art keywords
- chamfering
- hob
- processing
- hobbing
- cutter shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F5/00—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
- B23F5/20—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F19/00—Finishing gear teeth by other tools than those used for manufacturing gear teeth
- B23F19/10—Chamfering the end edges of gear teeth
- B23F19/102—Chamfering the end edges of gear teeth by milling
- B23F19/104—Chamfering the end edges of gear teeth by milling the tool being a hob
Abstract
A bidirectional hob and chamfering, groove milling and deburring method comprises the following steps: s10: a first hob on the cutter shaft performs hobbing or groove milling on the part; the second hob and/or the third hob on the cutter shaft on the same equipment are used for chamfering or chamfering the part; s20: and the first hob is reversely fed to remove burrs generated in the chamfering process or the chamfering process. In this application, the creative sets up a plurality of hobbing cutters on an equipment, is used for chamfer/chamfer processing and milling flutes/gear hobbing respectively, has simplified the process, has improved the machining precision. And the feeding directions of the chamfering/chamfering hob and the groove milling/gear hobbing hob are opposite, so that the groove milling/gear hobbing hob is discharged from the chamfering/chamfering position, and burrs generated in the chamfering or chamfering process can be removed at the same time.
Description
Technical Field
The invention belongs to the field of gear hobbing processing technology, and particularly relates to a bidirectional hob, a chamfering method, a slot milling method and a deburring method.
Background
Gear shaft parts, gear parts and the like are widely used in the industrial field, and structurally, the gear shaft parts generally comprise a shaft body and a cylindrical gear arranged on the shaft body. A gear hobbing machine is required to be used in the production and machining process of the gear shafts, the gear hobbing machine fixes two ends of a shaft rod through a tool and rotates at a high speed, and a gear hobbing cutter and the gear shafts synchronously move according to the meshing relationship to be machined.
In the gear hobbing process, burrs are easily generated on the end face along the rotation direction of the hobbing cutter during gear hobbing, after the gear hobbing process is finished, the deburring operation is required, the process is complex, the manual participation degree is high, and the efficiency is low. In addition, the processing of chamfering and chamfering on parts also generates burrs, and an additional deburring operation is also needed, and in the current processing process, the chamfering/chamfering processing and the gear hobbing processing need to be separately carried out, so that the steps are multiple, the efficiency is low, the processing error is large, and particularly the accumulated error in different processing steps is large.
In a conventional deburring process, a blade or a grinding wheel is used, which does not meet the requirements of both deburring and protecting the surface of a workpiece, and also causes the quality of the product after deburring to be reduced.
In the prior art, an automatic deburring structure is also provided, but the deburring operation is also an independent process: in the process of hobbing of parts, a cutter is extended out of a machine tool to remove burrs. However, in this structure, the matching between the tapers of the tool and the end surface of the workpiece is poor, and the angle adjustment is required, so the device is complex and occupies a large space.
Therefore, it can be seen from the above conventional machining process that the hobbing, chamfering/chamfering, and deburring are independent processes, and need to be performed on different devices, the processes are complicated, the machining accuracy is poor, and if a plurality of processes can be performed in one device, the processes can be simplified, and the machining efficiency and the machining accuracy can be improved. The present application has been studied in this direction.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a bidirectional hob, a chamfering method, a slot milling method and a deburring method.
In order to solve the above technical problems, the present invention is solved by the following technical solutions.
A bidirectional hob and chamfering, groove milling and deburring method comprises the following steps: s10: a first hob on the cutter shaft performs hobbing or groove milling on the part; the second hob and/or the third hob on the cutter shaft on the same equipment are used for chamfering or chamfering the part; s20: and the first hob is reversely fed to remove burrs generated in the chamfering process or the chamfering process.
In this application, the creative sets up a plurality of hobbing cutters on an equipment, is used for chamfer/chamfer processing and milling flutes/gear hobbing respectively, has simplified the process, has improved the machining precision. And the feeding directions of the chamfering/chamfering hob and the groove milling/gear hobbing hob are opposite, so that the groove milling/gear hobbing hob is discharged from the chamfering/chamfering position, and burrs generated in the chamfering or chamfering process can be removed at the same time.
In a further aspect, step S10 includes the following steps: s11: a second hob on the cutter shaft feeds from one side of the processing position on the part, and performs radial and axial additional movement and indexing movement of the hob to perform chamfering or chamfering processing on the cutting end; s12: and the first hob on the cutter shaft is fed from the other side of the processing position on the part to perform gear hobbing processing or groove milling processing, and is discharged from the chamfering position or the chamfering position to remove burrs generated in the chamfering processing or chamfering processing process.
In a further aspect, step S10 includes the following steps: s13: a second hob on the cutter shaft feeds from one side of the processing position on the part, and performs radial and axial additional movement and indexing movement of the hob to perform chamfering or chamfering processing on the cutting end; s14: a third hob on the cutter shaft feeds from the other side of the processing position on the part, and performs radial and axial additional movement and indexing movement of the hob to perform chamfering or chamfering processing on the cutting end; s15: and the first hob on the cutter shaft is fed from any side of the processing position on the part to perform gear hobbing or groove milling, and is discharged from the chamfering position or the chamfering position to remove burrs generated in the chamfering or chamfering process.
In a further scheme, the first hob, the second hob and the third hob are fixed on the same cutter shaft, the cutting edges of the first hob and the second hob are opposite in direction, the assembly structure is simple, and the part machining precision is high.
Compared with the prior art, the invention has the following beneficial effects: the bidirectional hob, the chamfering, the groove milling and the deburring method are provided, and the chamfering/chamfering, the groove milling, the gear hobbing and the deburring operation are integrated in one device through improvement of the hob assembly, so that the production process is simplified, and the machining precision is improved.
Drawings
Fig. 1 is a side view of a hobbing cutter assembly in a first embodiment of the invention.
Fig. 2 is a front view of a hobbing cutter assembly in a second embodiment of the invention.
Fig. 3 is a side view of a hobbing cutter assembly in the second embodiment of the invention.
Fig. 4 is a perspective view of a spline shaft.
Fig. 5 is an enlarged view of the area a in fig. 4.
Fig. 6 is an enlarged view of the region B in fig. 4.
Fig. 7 is a perspective view of a ring gear.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The embodiments described below by referring to the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout, are exemplary only for explaining the present invention, and are not construed as limiting the present invention.
In describing the present invention, it is to be understood that the terms: the terms center, longitudinal, lateral, length, width, thickness, up, down, front, back, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, and thus, should not be construed as limiting the present invention. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. In describing the present invention, unless otherwise expressly specified or limited, the terms: mounting, connecting, etc. should be understood broadly, and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.
The application relates to a bidirectional hob, a chamfering method, a slot milling method and a deburring method, which comprise the following steps: s10: a first hob on the cutter shaft performs hobbing or groove milling on the part; the second hob and/or the third hob on the cutter shaft on the same equipment are used for chamfering or chamfering the part; s20: and the first hob is reversely fed to remove burrs generated in the chamfering process or the chamfering process.
In this application, the creative sets up a plurality of hobbing cutters on an equipment, is used for chamfer/chamfer processing and milling flutes/gear hobbing respectively, has simplified the process, has improved the machining precision. And the feeding directions of the chamfering/chamfering hob and the groove milling/gear hobbing hob are opposite, so that the groove milling/gear hobbing hob is discharged from the chamfering/chamfering position, and burrs generated in the chamfering or chamfering process can be removed at the same time.
In a further aspect, step S10 includes the following steps: s11: a second hob on the cutter shaft feeds from one side of the processing position on the part, and performs radial and axial additional movement and indexing movement of the hob to perform chamfering or chamfering processing on the cutting end; s12: and the first hob on the cutter shaft is fed from the other side of the processing position on the part to perform gear hobbing processing or groove milling processing, and is discharged from the chamfering position or the chamfering position to remove burrs generated in the chamfering processing or chamfering processing process.
In a further aspect, step S10 includes the following steps: s13: a second hob on the cutter shaft feeds from one side of the processing position on the part, and performs radial and axial additional movement and indexing movement of the hob to perform chamfering or chamfering processing on the cutting end; s14: a third hob on the cutter shaft feeds from the other side of the processing position on the part, and performs radial and axial additional movement and indexing movement of the hob to perform chamfering or chamfering processing on the cutting end; s15: and the first hob on the cutter shaft is fed from any side of the processing position on the part to perform gear hobbing or groove milling, and is discharged from the chamfering position or the chamfering position to remove burrs generated in the chamfering or chamfering process.
Specifically, the machining method in the application is realized by the following combined hobbing cutter assembly.
Referring to fig. 1, in a combined hobbing cutter assembly in a first embodiment of the present application, the hobbing cutter assembly includes a cutter shaft 1, and a first hob 21 and a second hob 22 are provided on the cutter shaft 1; the first hob 21 is used for gear hobbing; the second hob 22 is used for chamfering/chamfering; and the cutting edges of the first hob 21 and the second hob 22 are in opposite directions for feeding from both sides, respectively.
The lower part of the cutter shaft 1 is arranged on a positioning seat 3, the positioning seat 3 can be movably arranged on a positioning plate 4 and used for moving the cutter shaft 1 and selecting a proper hob to perform corresponding processing operation.
In the combined hob assembly according to the first embodiment, the hob shaft 1 is provided with two hobs for performing different operations. During the rotation work process of the specific cutter shaft 1, the cutter shaft rotates at a low speed, the end part of the spline shaft to be machined is gradually close to the second hob 22 to be chamfered, and burrs are generated inwards during the process. After the chamfer processing finishes, integral key shaft and second hobbing cutter 22 separate, arbor 1 rotates at a high speed, the integral key shaft is close to first hobbing cutter 21 gradually and carries out the gear hobbing processing, in the process, first hobbing cutter 21 begins the feed from the opposite side of chamfer and removes to the chamfer position gradually, can outwards release the burr that processing chamfer in-process formed, play fine burring effect, simultaneously because the chamfer has already been processed, consequently the gear hobbing processing can not produce the burr in tip position, the burr is few on final product, and chamfer processing and gear hobbing processing are accomplished in one step, and machining efficiency and machining precision are improved, enterprise manufacturing cost has been saved.
Referring to fig. 2 and 3, the combined hobbing cutter assembly according to the second embodiment of the present application is different from the hobbing cutter assembly according to the first embodiment in that: the cutter shaft 1 is further provided with a third hob cutter 23, the third hob cutter 23 is used for chamfering/chamfering, and the cutting edges of the third hob cutter 23 and the second hob cutter 22 are opposite in direction and are used for feeding from two sides respectively. The hobbing cutter component in the structure is used for processing parts with chamfers/chamfers at two ends, when the hobbing cutter component is used for processing the parts, chamfers or chamfers are processed on two sides of a part processing position by the second hobbing cutter 22 and the third hobbing cutter 23 respectively, then tooth shapes are processed by the first hobbing cutter 21, chamfering operation and hobbing operation at two ends are completed in one step, and burrs cannot be generated.
Fig. 4 to 6 are schematic views of a spline shaft 9 and its upper structure, and it can be seen that the spline shaft 9 is provided with a first tooth portion 92 and a second tooth portion 91.
When the first tooth portion 92 is machined, the hobbing cutter assembly in the first embodiment is used, the second hobbing cutter 22 is firstly used for feeding from the right side in fig. 6, radial additional axial movement and indexing movement of hobbing are carried out to realize chamfering/chamfering operation of a cutting end, a first chamfer 921 is machined, burrs from right to left can be generated in the process, then the second hobbing cutter 22 retracts, the first hobbing cutter 21 is used for feeding from left to right to machine the first tooth shape 923, burrs in the last step can be removed in the machining process, machining efficiency is high, and deburring operation is completed at the same time.
When the second tooth 91 is machined, the hobbing cutter assembly in the second embodiment is used, the second hob 22 is firstly used for feeding from the right side in fig. 5 to machine the second chamfer 912, burrs from the right side to the left side are generated in the process, then the third hob 23 is used for feeding from the left side in fig. 5 to machine the third chamfer 911, burrs from the left side to the right side are generated in the process, finally the first hob 21 is used for feeding from the left side to the right side to machine the second tooth 913, certain regressive operation is performed in the machining process, burrs in the two steps can be removed, the machining efficiency is high, and meanwhile, the deburring operation is completed.
In another scheme, when the second tooth portion 91 is machined, the hobbing cutter assembly in the second embodiment may be used, the first hob 21 is used to machine the second tooth shape 913 normally, after the first hob 21 is withdrawn, the second hob 22 is moved to a position on the right side where chamfering/chamfering is needed, cutting is performed, a radial and axial additional motion and indexing motion of the hob are performed to realize chamfering/chamfering operation at a cutting end, and a second chamfer 912 is machined; the third hob 23 then machines a third chamfer 911 from the left side.
Fig. 7 shows a schematic view of a ring gear 8, on which the tooth profile can also be machined with the hobbing cutter assembly according to the second embodiment.
In a specific processing method, the cutter shaft 1 can rotate forwards or backwards as required, so that cutter feeding operation in different directions is realized.
The combined hobbing cutter assembly and the processing method for the hobbing machine have the advantages that the hobbing cutter assembly is improved, chamfering/chamfering processing and hobbing processing are integrated, burrs can be well avoided, chamfering, hobbing and deburring operations can be completed through one-time processing, the processing efficiency and the part quality are improved, the structure is simple, and the cost is low.
The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.
Claims (4)
1. A bidirectional hob and chamfering, groove milling and deburring method is characterized by comprising the following steps:
s10: a first hob on the cutter shaft performs hobbing or groove milling on the part; the second hob and/or the third hob on the cutter shaft on the same equipment are used for chamfering or chamfering the part;
s20: and the first hob is reversely fed to remove burrs generated in the chamfering process or the chamfering process.
2. The method of claim 1, wherein step S10 comprises the following steps:
s11: a second hob on the cutter shaft feeds from one side of the processing position on the part, and performs radial and axial additional movement and indexing movement of the hob to perform chamfering or chamfering processing on the cutting end;
s12: and the first hob on the cutter shaft is fed from the other side of the processing position on the part to perform gear hobbing processing or groove milling processing, and is discharged from the chamfering position or the chamfering position to remove burrs generated in the chamfering processing or chamfering processing process.
3. The method of claim 1, wherein step S10 comprises the following steps:
s13: a second hob on the cutter shaft feeds from one side of the processing position on the part, and performs radial and axial additional movement and indexing movement of the hob to perform chamfering or chamfering processing on the cutting end;
s14: a third hob on the cutter shaft feeds from the other side of the processing position on the part, and performs radial and axial additional movement and indexing movement of the hob to perform chamfering or chamfering processing on the cutting end;
s15: and the first hob on the cutter shaft is fed from any side of the processing position on the part to perform gear hobbing or groove milling, and is discharged from the chamfering position or the chamfering position to remove burrs generated in the chamfering or chamfering process.
4. A bi-directional hob and chamfering, slot milling and deburring method according to any one of claims 1 to 3 wherein said first hob, said second hob and said third hob are fixed to the same arbor with the cutting edges of said first hob and said second hob being in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110532566.9A CN113275668A (en) | 2021-05-17 | 2021-05-17 | Bidirectional hob, chamfering, groove milling and deburring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110532566.9A CN113275668A (en) | 2021-05-17 | 2021-05-17 | Bidirectional hob, chamfering, groove milling and deburring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113275668A true CN113275668A (en) | 2021-08-20 |
Family
ID=77279372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110532566.9A Pending CN113275668A (en) | 2021-05-17 | 2021-05-17 | Bidirectional hob, chamfering, groove milling and deburring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113275668A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202943319U (en) * | 2012-11-09 | 2013-05-22 | 鹰普航空零部件（无锡）有限公司 | Milling cutter for machining center two-way chamfering and de-burring |
| CN204135426U (en) * | 2014-09-15 | 2015-02-04 | 深圳市金武科技有限公司 | Twocouese polycrystalline diamond chamfering milling tool |
| CN104526069A (en) * | 2014-12-25 | 2015-04-22 | 重庆机床(集团)有限责任公司 | Hobbing-chamfering-burring compound machine tool |
| CN205733292U (en) * | 2016-05-18 | 2016-11-30 | 中车集团四川丹齿零部件有限公司 | Gear hobbing on-line machining burr remover |
| CN106573320A (en) * | 2014-06-18 | 2017-04-19 | 萨穆珀独资股份有限公司 | Gear cutting machine |
| CN109465499A (en) * | 2018-12-18 | 2019-03-15 | 浙江振兴阿祥集团有限公司 | A kind of processing method that chain digital control gear hobbing machine hobbing is compound |
| CN209077949U (en) * | 2018-11-30 | 2019-07-09 | 重庆机床(集团)有限责任公司 | A kind of signal gear ring hobber structure |
| CN211360920U (en) * | 2019-12-03 | 2020-08-28 | 汉江工具有限责任公司 | Multi-head diameter-increasing worm gear hob |
-
2021
- 2021-05-17 CN CN202110532566.9A patent/CN113275668A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202943319U (en) * | 2012-11-09 | 2013-05-22 | 鹰普航空零部件（无锡）有限公司 | Milling cutter for machining center two-way chamfering and de-burring |
| CN106573320A (en) * | 2014-06-18 | 2017-04-19 | 萨穆珀独资股份有限公司 | Gear cutting machine |
| CN204135426U (en) * | 2014-09-15 | 2015-02-04 | 深圳市金武科技有限公司 | Twocouese polycrystalline diamond chamfering milling tool |
| CN104526069A (en) * | 2014-12-25 | 2015-04-22 | 重庆机床(集团)有限责任公司 | Hobbing-chamfering-burring compound machine tool |
| CN205733292U (en) * | 2016-05-18 | 2016-11-30 | 中车集团四川丹齿零部件有限公司 | Gear hobbing on-line machining burr remover |
| CN209077949U (en) * | 2018-11-30 | 2019-07-09 | 重庆机床(集团)有限责任公司 | A kind of signal gear ring hobber structure |
| CN109465499A (en) * | 2018-12-18 | 2019-03-15 | 浙江振兴阿祥集团有限公司 | A kind of processing method that chain digital control gear hobbing machine hobbing is compound |
| CN211360920U (en) * | 2019-12-03 | 2020-08-28 | 汉江工具有限责任公司 | Multi-head diameter-increasing worm gear hob |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6012705B2 (en) | How to make teeth on a workpiece | |
| US8596939B2 (en) | Apparatus and method for cutting teeth in workpieces and associated tool set | |
| KR101746078B1 (en) | Machine tool and method for producing gearing | |
| CN106715018B (en) | Method for machining a toothed section, machining tool and machine tool | |
| US9358627B2 (en) | Method for machining a workpiece | |
| KR102622120B1 (en) | Chamfering tools, chamfering systems, gear cutting machines, and tooth chamfering methods | |
| WO2009017248A2 (en) | Gear machining apparatus and machining method | |
| US20120321404A1 (en) | Method for Gear Pre-Cutting of a Plurality of Different Bevel Gears and Use of an According Milling Tool | |
| US10661367B2 (en) | Gear machining method and gear machining device | |
| US11179788B2 (en) | Method for producing a removal of material on a tooth end edge and device designed therefor | |
| JP6622044B2 (en) | Gear processing machine and method | |
| CN108941785B (en) | Universal disc cutter composite milling process for large-modulus cylindrical outer gear | |
| EP2516092B1 (en) | Method and apparatus for manufacturing bevel gears | |
| KR101889095B1 (en) | Method of machining a workpiece, and gear-cutting machine operable to perform the method | |
| JP4182137B1 (en) | Gear machining method | |
| CN108067846A (en) | A kind of processing technology of heavy-duty car transmission shaft end face tooth terminal pad | |
| CN113275668A (en) | Bidirectional hob, chamfering, groove milling and deburring method | |
| CN215034207U (en) | Combined hobbing cutter assembly | |
| JP2019089153A (en) | Gear-cutting tool and gear processing device | |
| JP4144955B2 (en) | Gear machining method | |
| WO2024009520A1 (en) | Cutting blade tool and method of producing cutting blade | |
| RU2787187C1 (en) | Breaking head with cutting inserts for machining the teeth of worm and spiroid wheels | |
| CN114535716B (en) | Machining and installing method of worm gear tooth part shaving device | |
| JP2009034788A (en) | Gear machining device | |
| CN109047874B (en) | Machining process for rotor shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |