CN115780847A - Cutter utensil is inserted to interchangeable tool bit formula honeycomb core supersound - Google Patents
Cutter utensil is inserted to interchangeable tool bit formula honeycomb core supersound Download PDFInfo
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- CN115780847A CN115780847A CN202211415558.7A CN202211415558A CN115780847A CN 115780847 A CN115780847 A CN 115780847A CN 202211415558 A CN202211415558 A CN 202211415558A CN 115780847 A CN115780847 A CN 115780847A
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- section
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- 238000005520 cutting process Methods 0.000 claims abstract description 95
- 238000000227 grinding Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 3
- 229910001315 Tool steel Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 238000004904 shortening Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000007704 transition Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000011162 core material Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a honeycomb core ultrasonic cutting tool with a replaceable tool bit, which comprises a connecting section, a fastening section and a cutting section which are sequentially connected, wherein the connecting section is connected with an ultrasonic amplitude transformer through external threads of the connecting section. The cutting section is provided with an outer wall formed by a cutting section external thread, a cylindrical transition section, a frustum-shaped transition section and a cutting edge section which are sequentially connected, and an inner wall formed by a cylindrical hole and a frustum-shaped hole. During assembly, the fastening section is matched with the cutting section firstly, the connecting section is matched with the cutting section secondly, and the fastening section is locked towards the connecting section finally. When the cutting edge is worn and damaged, the cutting edge can be repaired and ground, the matching length of the connecting section and the cutting section is shortened, the lost length after the repair and grinding is compensated, the total length of the cutter is kept unchanged, and only the cutting section needs to be replaced when the cutting edge cannot be repaired and ground continuously. The invention can reduce the manufacturing and using cost of the cutter, and the repaired cutter still has good processing precision, usability and optimal vibration characteristic, and the chip is convenient to clean.
Description
Technical Field
The invention relates to a machining cutter, in particular to a honeycomb core ultrasonic cutting tool with a replaceable tool bit.
Background
The honeycomb sandwich structure has the characteristics of high specific strength and specific stiffness, strong impact resistance and the like, and is widely applied to the fields of aerospace, land and water transportation and the like. In the manufacturing process of the honeycomb core sandwich structure, the outline of the honeycomb core needs to be processed so as to realize the matching with the outline dimension of the panel.
When the traditional high-speed milling method is adopted to process the outline of the honeycomb core, the high-speed milling cutter always rotates at a high speed of more than 10000r/min, chips are cut off and crushed under the combined action of the cutter cutting edge and the crushing edge, the processing of the honeycomb core is realized, the material removal amount and the cutting force are large, the processing damage such as the tearing of the honeycomb core is easy to occur, and the processing quality is not easy to guarantee. The university of major continuous workers combines the advantages of ultrasonic vibration cutting with a traditional honeycomb core cutting method, provides an ultrasonic cutting processing method aiming at the high-quality processing requirement of the outline of a honeycomb core, and discloses an ultrasonic cutting processing tool, patent application number 201810157271.6. With the development of technology, the processing of honeycomb core components puts new demands on the development of ultrasonic cutting tools for low-cost manufacture and use: because the ultrasonic cutter is formed by sharpening the integral bar stock, the integral manufacturing cost of the cutter is high. In the using process of the cutter, once the cutter is worn and damaged, after the cutting edge of the cutter is ground and polished, the overall resonance performance of the cutter body can be influenced by the change of the length and the diameter of the ground cutter, the requirement for outputting the amplitude of the established cutter is difficult to meet, the worn and damaged cutter can only be integrally replaced, and the using cost of the cutter is increased. In addition, the existing ultrasonic cutting tool adopts a positive and negative angle structure, the reduction of the diameter of the tool after grinding can influence the processing precision of the outline of the honeycomb core, and the process cost of programming and the like is increased.
Disclosure of Invention
Aiming at the defects, the invention provides a honeycomb core ultrasonic cutting tool with a replaceable tool bit.
The technical scheme of the invention is as follows:
a honeycomb core ultrasonic cutting tool with a replaceable tool bit comprises a connecting section, a fastening section and a cutting section which are sequentially connected;
the end face of one end of the connecting section is provided with a positioning surface and a connecting section external thread used for being connected with the ultrasonic amplitude transformer, the other end of the connecting section is provided with a connecting section threaded hole used for being connected with the cutting section, and a connecting section wrench groove is arranged on the outer wall close to the positioning surface;
a fastening section threaded hole used for being connected with the cutting section is formed in the fastening section, and a fastening section wrench groove is formed in the outer wall of the fastening section;
the cutting section comprises a cylindrical hole and a frustum-shaped hole which are connected, the outside of the cutting section starts from one end of the cylindrical hole and is a cutting section external thread, a cylindrical transition section, a frustum-shaped transition section and a cutting edge section which are connected in sequence, and a cutting section wrench groove is formed in the cylindrical transition section.
The distance from the positioning surface to the large end of the frustum-shaped hole is (N + 0.75) times (N is a natural number) of the propagation wavelength of the sound wave in the cutter material, and the distance from the positioning surface to the end surface of the threaded hole of the connecting section is (N + 0.5) times (N is a natural number) of the propagation wavelength of the sound wave in the cutter material. The tail end of the cutting edge is the position with the maximum amplitude, and the joint of the fastening section and the connecting section is the vibration node position.
The outer side of the cutting edge is cylindrical, namely the back angle of the cutter is zero, the diameter of the cutter can be guaranteed not to be changed after grinding, the length reduced after grinding can be compensated by shortening the matching length of the threaded hole of the connecting section and the external thread of the cutting section, the total length of the cutter is kept unchanged, the cutter is guaranteed to obtain the best vibration characteristic, and the use cost of the cutter is reduced.
The connecting section and the fastening section are made of carbon tool steel, and the cutting section is made of high-speed steel or hard alloy so as to reduce the manufacturing cost of the cutter.
The assembly mode of the cutter is as follows: firstly, the fastening section is matched with the cutting section, secondly, the connecting section is matched with the cutting section, and finally, the fastening section is locked towards the connecting section
Compared with the existing honeycomb core ultrasonic cutting machining tool, the invention has the beneficial effects that:
(1) the outer side of the cutting edge is cylindrical, namely the back angle of the cutter is zero, so that the diameter of the cutter after grinding is unchanged, and the processing precision of the cutter and the usability of the cutter after repeated grinding are ensured.
(2) The invention compensates the lost length of the cutter after grinding by reducing the matching length of the external thread of the cutting section and the threaded holes of the connecting section and the fastening section, keeps the total length of the cutter unchanged and ensures that the cutter can always obtain the optimal vibration characteristic.
(3) The ultrasonic cutting tool with the replaceable honeycomb core, provided by the invention, can be independently ground and replaced when the cutting section is worn and damaged and cannot work, the whole tool does not need to be replaced, and the use and manufacturing cost of the tool is greatly reduced.
(4) Different sectional structures of the ultrasonic cutting tool can be manufactured by different materials, wherein the cutting section is made of high-speed steel or hard alloy material with excellent cutting performance in a machining mode so as to ensure the cutting performance, the connecting section and the fastening section are made of carbon tool steel with excellent ultrasonic vibration performance so as to ensure the vibration performance, and the manufacturing cost of the tool can be reduced on the premise that the cutting and vibration performance is met.
(5) The head-replaceable cutting insert can be used for independently dismounting the cutting section, and the cutting chips in the cutting section can be blown out by a tool or high-pressure gas, so that the cutting chips are convenient to clean.
Based on the reasons, the invention can be widely popularized in the fields of honeycomb core ultrasonic cutting and the like.
Drawings
The invention is shown in the attached figure 6, wherein:
fig. 1 is a schematic external view of the present invention.
Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Fig. 3 is a schematic view of the vibration profile of the tool of the present invention.
Fig. 4 is a schematic external view of the connecting segment of the present invention.
Fig. 5 is a schematic view of the profile of the cutting segment of the present invention.
FIG. 6 is a schematic external view of the fastening section of the present invention.
In the figure: 1. the connecting section comprises a connecting section external thread, 2 a positioning surface, 3 a connecting section wrench groove, 4 a fastening section wrench groove, 5 a cutting section external thread, 6 a cylindrical transition section, 7 a cutting section wrench groove, 8 a frustum-shaped transition section, 9 a cutting edge section, 10 a connecting section threaded hole, 11 a fastening section threaded hole, 12 a cylindrical hole, 13 a frustum-shaped hole.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
As shown in fig. 1 to 6, an embodiment of the invention discloses an ultrasonic cutting tool withbase:Sub>A replaceable bit type honeycomb core, and fig. 1 and 2 are respectively an outline schematic diagram and anbase:Sub>A-base:Sub>A cross-sectional view of the ultrasonic cutting tool with the replaceable bit type honeycomb core, and the ultrasonic cutting tool with the replaceable bit type honeycomb core comprisesbase:Sub>A connecting section,base:Sub>A fastening section andbase:Sub>A cutting section which are sequentially connected; the end face of one end of the connecting section is provided with a connecting section external thread 1, the connecting section is connected with an ultrasonic amplitude transformer (not shown) through the connecting section external thread 1, the connecting section is provided with a positioning surface 2 close to the connecting section external thread side, the positioning is carried out through the positioning surface 2, and the joint of the positioning surface and the connecting section external thread is provided with an arc transition section serving as a tool withdrawal groove; the outer wall of the main body part of the connecting section is provided with a connecting section wrench groove 3, the cutting tool and the output end of the ultrasonic amplitude transformer are locked through the connecting section wrench groove 3, a connecting section threaded hole 10 is formed in the other end of the connecting section, and the connecting section is connected with the cutting section external thread 5 through the connecting section threaded hole 10; a fastening section threaded hole 11 for connecting with the cutting section is formed in the fastening section, and a fastening section wrench groove 4 is formed in the outer wall of the fastening section; the inside of cutting section is including continuous cylindrical hole 12 and frustum shape hole 13, and the outside begins from 12 one ends in cylindrical hole, for cutting section external screw thread 5, cylindrical changeover portion 6, frustum shape changeover portion 8 and cutting edge section 9 that link to each other in proper order, be equipped with cutting section spanner groove 7 on the cylindrical changeover portion 6, cutting section external screw thread 5 with fastening section screw hole 11 cooperate.
During installation, firstly, the cutting section external thread 5 is matched with the fastening section threaded hole 11, the position of the fastening section is adjusted to enable the fastening section to be away from the cutting section external thread 5 for a certain distance, then, the cutting section external thread 5 is matched with the connecting section threaded hole 10, the distance between the positioning surface 2 and the large end of the frustum-shaped hole 13 is adjusted to be (N + 0.75) times (N is a natural number) of the propagation wavelength of the sound wave in the tool material, and the distance between the positioning surface 2 and the fastening section is (N + 0.5) times (N is a natural number) of the propagation wavelength of the sound wave in the tool material. Then the fastening section is locked towards the connecting section through the fastening section wrench groove 4, and the cutter is connected with the ultrasonic amplitude transformer through the connecting section wrench groove 3. When the honeycomb core is machined by using the cutter, the rotating motion and the feeding motion of the cutter are driven by a machine tool, the ultrasonic vibration of the cutter is generated under the drive of a special ultrasonic vibration system, the circular cutting edge cuts off the honeycomb core material to form a machined surface, and the hollow structure in the cutting section is used for accommodating the cut cylindrical honeycomb core chips. When cleaning the accumulated chips in the inner hole, the structures of all parts of the cutter are disassembled according to the sequence opposite to the installation, and the cutter can continue to work after being installed again after being cleaned. After the cutting edge of the cutter is polished, the axial position of the large end of the conical table hole 13 of the cutting edge needs to be adjusted when the cutter is mounted again, and the cutter can work after the cutting performance is optimal.
Finally, it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, and not restrictive of alignment; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A honeycomb core ultrasonic cutting tool with a replaceable tool bit is characterized by comprising a connecting section, a fastening section and a cutting section which are sequentially connected;
the end face of one end of the connecting section is provided with a positioning surface (2) and a connecting section external thread (1) for connecting with an ultrasonic amplitude transformer, the other end of the connecting section is provided with a connecting section threaded hole (10) for connecting with the cutting section, and the outer wall close to the positioning surface (2) is provided with a connecting section wrench groove (3);
a fastening section threaded hole (11) used for being connected with the cutting section is formed in the fastening section, and a fastening section wrench groove (4) is formed in the outer wall of the fastening section;
the inside of cutting section is including continuous cylindrical hole (12) and frustum shape hole (13), and the outside begins from cylindrical hole (12) one end, for cutting section external screw thread (5), cylindrical changeover portion (6), frustum shape changeover portion (8) and cutting edge section (9) that link to each other in proper order, be equipped with cutting section spanner groove (7) on cylindrical changeover portion (6).
2. The ultrasonic plunge cutting tool with the replaceable cutter head for the honeycomb core according to claim 1, characterized in that: the outer side of the cutting edge is cylindrical, the diameter of the cutter can not be changed after grinding, and the length reduced after grinding can be compensated by shortening the matching length of the threaded hole of the connecting section and the external thread of the cutting section, so that the total length of the cutter is kept unchanged.
3. The ultrasonic plunge cutting tool with the replaceable cutter head for the honeycomb core according to claim 1, characterized in that: the distance from the positioning surface to the large end of the frustum-shaped hole is (N + 0.75) times of the transmission wavelength of the sound wave in the cutter material, the distance from the positioning surface to the end face of the threaded hole of the connecting section is (N + 0.5) times of the transmission wavelength of the sound wave in the cutter material, and N is a natural number.
4. The ultrasonic plunge cutting tool for honeycomb cores with replaceable cutter heads according to claim 1, characterized in that: the connecting section and the fastening section are made of carbon tool steel, and the cutting section is made of high-speed steel or hard alloy.
5. The ultrasonic plunge cutting tool with the replaceable cutter head for the honeycomb core according to claim 1, characterized in that: the assembly mode of the cutter is as follows: firstly, the fastening section is matched with the cutting section, secondly, the connecting section is matched with the cutting section, and finally, the fastening section is locked towards the connecting section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211415558.7A CN115780847A (en) | 2022-11-11 | 2022-11-11 | Cutter utensil is inserted to interchangeable tool bit formula honeycomb core supersound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211415558.7A CN115780847A (en) | 2022-11-11 | 2022-11-11 | Cutter utensil is inserted to interchangeable tool bit formula honeycomb core supersound |
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| Publication Number | Publication Date |
|---|---|
| CN115780847A true CN115780847A (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211415558.7A Pending CN115780847A (en) | 2022-11-11 | 2022-11-11 | Cutter utensil is inserted to interchangeable tool bit formula honeycomb core supersound |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116373029A (en) * | 2023-06-07 | 2023-07-04 | 成都飞机工业（集团）有限责任公司 | Automatic chip removal ultrasonic jack device |
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| CN107773290A (en) * | 2016-08-24 | 2018-03-09 | 十堰市太和医院 | A kind of accurate adjustable surgical knife of depth of cut |
| CN207154800U (en) * | 2016-12-07 | 2018-03-30 | 北京北方车辆集团有限公司 | A kind of rotatable radial expansion cutter |
| CN108356298A (en) * | 2018-02-24 | 2018-08-03 | 大连理工大学 | A kind of ultrasound is slotting to cut process tool |
| CN109333150A (en) * | 2018-12-25 | 2019-02-15 | 齐鲁工业大学 | It is a kind of to spray away from adjustable machining blade pressuring plate |
| CN109434143A (en) * | 2018-09-26 | 2019-03-08 | 厦门金鹭特种合金有限公司 | A kind of head switch type cutting element |
-
2022
- 2022-11-11 CN CN202211415558.7A patent/CN115780847A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081432A (en) * | 2015-07-02 | 2015-11-25 | 江苏扬碟钻石工具有限公司 | Flat-end three-edge PCD (Poly Crystal Diamond) milling cutter |
| CN205183891U (en) * | 2015-12-01 | 2016-04-27 | 江苏大中电机股份有限公司 | Energy -conserving motor frame of high starting torque digs keyway anchor clamps |
| CN107773290A (en) * | 2016-08-24 | 2018-03-09 | 十堰市太和医院 | A kind of accurate adjustable surgical knife of depth of cut |
| CN106112085A (en) * | 2016-08-31 | 2016-11-16 | 锑玛（苏州）精密工具股份有限公司 | A kind of quick-changing type high accuracy cutter block and processing method thereof |
| CN207154800U (en) * | 2016-12-07 | 2018-03-30 | 北京北方车辆集团有限公司 | A kind of rotatable radial expansion cutter |
| CN108356298A (en) * | 2018-02-24 | 2018-08-03 | 大连理工大学 | A kind of ultrasound is slotting to cut process tool |
| CN109434143A (en) * | 2018-09-26 | 2019-03-08 | 厦门金鹭特种合金有限公司 | A kind of head switch type cutting element |
| CN109333150A (en) * | 2018-12-25 | 2019-02-15 | 齐鲁工业大学 | It is a kind of to spray away from adjustable machining blade pressuring plate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116373029A (en) * | 2023-06-07 | 2023-07-04 | 成都飞机工业（集团）有限责任公司 | Automatic chip removal ultrasonic jack device |
| CN116373029B (en) * | 2023-06-07 | 2023-10-03 | 成都飞机工业（集团）有限责任公司 | Automatic chip removal ultrasonic jack device |
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