CN115647412A - Combined honeycomb core ultrasonic cutting tool - Google Patents
Combined honeycomb core ultrasonic cutting tool Download PDFInfo
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- CN115647412A CN115647412A CN202211415559.1A CN202211415559A CN115647412A CN 115647412 A CN115647412 A CN 115647412A CN 202211415559 A CN202211415559 A CN 202211415559A CN 115647412 A CN115647412 A CN 115647412A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 131
- 239000000463 material Substances 0.000 claims description 18
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000004606 Fillers/Extenders Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 11
- 239000000956 alloy Substances 0.000 description 5
- 229910000851 Alloy steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a combined honeycomb core ultrasonic cutting tool, which comprises a switching section, an extension section and a cutting section which are sequentially connected, wherein inner hole step surfaces or outer step surfaces for axial positioning are arranged at two ends of the switching section and the extension section, outer step surfaces for axial positioning are arranged at the non-cutting ends of the cutting section, the cutting section is connected with the switching section through the extension section, and the sections of the tool are detachably fixed together. The cutter with different sizes is obtained by adjusting the size of the extension section, so that the requirements of different processing depths of the workpiece are met; the combined connection can be used for carrying out local replacement after the cutting section of the cutter is worn and damaged, and the cutter does not need to be integrally replaced, so that the utilization rate of the cutter is obviously improved; the tool bit is at the position with the maximum amplitude, the connection position is at the position of a vibration node, and the optimal vibration characteristic of the tool is obtained by ensuring the length between the positioning step surfaces of all the sections; the combined cutter structure reduces the manufacturing and using cost of the cutter.
Description
Technical Field
The invention relates to a machining tool, in particular to a combined honeycomb core ultrasonic cutting tool.
Background
The honeycomb core sandwich member has the characteristics of high specific strength and specific rigidity, strong impact resistance and the like, and is widely applied to the fields of aerospace and the like. When the honeycomb core sandwich component is manufactured, the appearance of the honeycomb core needs to be processed so as to meet the matching requirement with the panel.
Plunge cutting is an effective method of machining the boundary of a honeycomb core profile. In the cutting process, the cutting tool axially feeds and cuts into the honeycomb core along the honeycomb cell while rotating around the axis at a high speed, and the cutting tool forms a circular cutting seam; next, the cutter is moved to the next cutting position away from the material to perform plunge cutting, and a series of annular slits are sequentially plunged along the contour boundary to obtain the desired contour boundary after the chips are removed. On the basis of the traditional high-speed cutting machining, university of major graduates propose to machine a honeycomb core in an ultrasonic cutting machining mode, and disclose an ultrasonic cutting machining tool, patent application number 201810157271.6. The material cutting of the ultrasonic cutting honeycomb core is completed by the rotation motion, the feeding motion and the ultrasonic vibration of the cutting tool, the cutting force is reduced by the addition of the ultrasonic vibration, and the contour machining quality is improved. The existing ultrasonic cutting tool is an integral tool, and the large-length cutting tool needs to be designed in the face of new processing requirements of typical characteristics of honeycomb cores such as axial large-depth sinking grooves, bosses, deep long holes and the like, so that the manufacturing cost of the tool is greatly increased. In addition, in order to meet the vibration output requirements of cutters with different lengths, a special vibration system for driving the cutters to vibrate needs to be designed, so that the use cost of the ultrasonic cutting system is increased. At present, the large-length ultrasonic cutting tool also has the problems of lack of design guidance, poor vibration output performance and the like.
Disclosure of Invention
Aiming at the defects, the invention provides a combined honeycomb core ultrasonic cutting tool.
The technical scheme of the invention is as follows:
the utility model provides a modular honeycomb core supersound inserts cutter, includes switching section, extension section and the cutting section triplex that connects gradually from non-cutting end, switching section, extension section both ends all are equipped with hole step face or outer step face that are used for axial positioning, the non-cutting end of cutting section is equipped with the outer step face that is used for axial positioning, the cutting section passes through the extension section and is connected with the switching section, and detachably is fixed together between each section of cutter.
Furthermore, the extension section is of a single part structure and has a preset length, and the size of the whole cutter can be adjusted by replacing the extension sections with different lengths.
Furthermore, the extension section is formed by combining at least two parts, each part has a preset length, and the size of the whole cutter is adjusted by adjusting the number of the parts. (these two sentences do not want how to merge or express them side-by-side, or they can be listed as such individually)
Further, the distance between the positioning step surface of the switching section close to one end of the ultrasonic amplitude transformer and the positioning step surface of the extension section is 0.5N 1 λ, is spaced from the large end of the tapered hole of the cutting segment by (N) 2 + 0.25) λ or (N) 2 + 0.75) lambda, and the distance between the positioning step surface of the extension section and the positioning step surface of the cutting section is 0.5N 3 λ, wherein N 1 、N 2 、N 3 The amplitude of the connecting nodes of the switching section and the extension section and the connecting nodes of the extension section and the cutting section are the minimum when the tail end of the cutting edge obtains the maximum amplitude, so that the connection reliability is ensured.
The cutting section material comprises high-speed steel or hard alloy material.
The materials of the adapter section and the extension section comprise alloy steel.
Compare with current honeycomb core supersound cutting tool, this combination formula honeycomb core supersound cutting tool that inserts's beneficial effect is:
(1) the cutter extension section is composed of one or more parts, so that cutters with different lengths can be obtained, and the requirements of workpieces with different processing depths can be met.
(2) The invention is composed of a switching section, an extension section and a cutting section, and the combined connection mode can independently replace the cutting section of the cutter when the cutting section of the cutter is worn and damaged and cannot work, thereby obviously improving the utilization rate of the cutter.
(3) The invention determines the axial position and bears the axial force and conducts the ultrasonic vibration through the positioning step surfaces between the switching section and the extension section as well as between the extension section and the cutting section, thereby ensuring the proportional relation between the length of each section and the wavelength of the ultrasonic vibration and leading the cutter to obtain the best vibration characteristic.
(4) According to the ultrasonic vibration cutting tool, different sections are convenient to install, according to ultrasonic vibration characteristics and cutting performance requirements, the cutting section is made of high-speed steel or hard alloy materials to ensure cutting performance, the switching section and the extension section are made of alloy steel materials to ensure vibration performance, and the manufacturing and using cost of the tool is reduced due to the combined tool structure.
Based on the reasons, the invention can be widely popularized in the fields of honeycomb core ultrasonic cutting and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below.
The invention is shown in the attached figure 7, wherein:
fig. 1 is an outline view of an ultrasonic cutting insert of embodiment 1 of the present invention.
Fig. 2 is a front view of an ultrasonic cutting insert of embodiment 1 of the present invention.
Figure 3 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of the ultrasonic cutting insert of embodiment 1.
Fig. 4 is a schematic diagram showing the corresponding relationship between the cutter structure and the ultrasonic waveform of the ultrasonic cutting-inserting cutter in embodiment 1 of the present invention.
Fig. 5 is a schematic structural view of an ultrasonic cutting tool of embodiment 2 of the present invention.
Figure 6 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of an ultrasonic cutting insert of embodiment 2.
Fig. 7 is a schematic diagram showing the corresponding relationship between the cutter structure and the ultrasonic waveform of the ultrasonic cutting-inserting cutter in embodiment 2 of the present invention.
In the figure: 1. a threaded section of the adapter section; 2. a transition section step surface; 3. a step surface of the extension section; 4. cutting a section step surface; 5. a switching section wrench slot; 6. an extension section wrench groove; 7. cutting a segment spanner groove; 8. an extended section of thread segment; 9. and cutting a threaded section.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
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, and it is obvious that the described embodiments make some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The utility model provides a modular honeycomb core supersound inserts cutter, includes switching section, extension section and the cutting section triplex that connects gradually from non-cutting end, switching section, extension section both ends all are equipped with hole step face or outer step face that are used for axial positioning, the non-cutting end of cutting section is equipped with the outer step face that is used for axial positioning, the cutting section passes through the extension section and is connected with the switching section, and detachably is fixed together between each section of cutter.
Furthermore, the extension section is of a single-part structure and has a preset length, and the size of the whole cutter can be adjusted by replacing extension sections with different lengths.
Furthermore, the extension section is formed by combining at least two parts, each part has a preset length, and the size of the whole cutter is adjusted by adjusting the number of the parts.
Further, the distance between the positioning step surface of the switching section close to one end of the ultrasonic amplitude transformer and the positioning step surface of the extension section is 0.5N 1 λ, and the large end distance of the cutting segment taper hole is (N) 2 + 0.25) λ or (N) 2 + 0.75) lambda, the distance between the positioning step surface of the extension section and the positioning step surface of the cutting section is 0.5N 3 λ, wherein N 1 、N 2 、N 3 All are natural numbers, lambda is the propagation wavelength of ultrasonic waves in the tool material, so that when the tail end of the cutting edge obtains the maximum amplitude, the adapter section and the extension section,The amplitude at the joint of the extension section and the cutting section is minimum, so that the connection reliability is ensured.
The cutting section material comprises high-speed steel or hard alloy material.
The material of the transition section and the extension section comprises alloy steel.
Example 1
As shown in fig. 1, 2, 3 and 4, the embodiment of the invention discloses a combined honeycomb core ultrasonic cutting tool, which is divided into three parts, namely a switching section, an extension section and a cutting section, wherein one end of the switching section is connected with an ultrasonic amplitude transformer through a switching section threaded section 1, the extension section is connected with the other end of the switching section through an extension section threaded section 8, and the cutting section is connected with the extension section through a cutting section threaded section 9. The step surface 2 of the switching section, the step surface 3 of the extension section and the step surface 4 of the cutting section respectively axially position the switching section, the extension section and the cutting section, bear axial force and conduct ultrasonic vibration. In this embodiment, the positioning surface of the adapting section connected to the ultrasonic horn is an outer step surface, the positioning surface of the adapting section connected to the extension section is an inner step surface, the positioning surface of the extension section connected to the adapting section is an outer step surface, and the positioning surface of the extension section connected to the cutting section is an inner step surface.
As the outer sides of the main body parts of the sections are all cylinders, as a preferred embodiment, the outer wall of the switching section, which is close to the positioning surface of the switching section, is provided with a switching section wrench groove; an extension section wrench groove is formed in the outer wall of the extension section; and a cutting section wrench groove is formed in the outer wall of the cutting section, so that the cutting section wrench groove is convenient to disassemble.
During installation, after the switching section, the extension section and the cutting section are assembled, the threaded section 1 of the switching section is connected with the ultrasonic amplitude transformer, the step surface 2 of the switching section is used for axial fixation, and a tool is fixedly screwed through the wrench groove 5 of the switching section, the wrench groove 6 of the extension section and the wrench groove 7 of the cutting section.
The combined honeycomb core ultrasonic cutting tool has the advantages that the extension section is of a single part structure, the extension section is a cylindrical part with inner hole threads at two ends, all sections of the tool are connected through the threads, and reliable connection can be realized by using conical surface interference fit. The switching section and the cutting section are connected with extension section cylindrical parts with different lengths, so that cutting tools with different sizes can be obtained, and the requirements of different processing depths of workpieces are met. The combined cutting tool is formed by combining the switching section, the extension section and the cutting section, and when the combined cutting tool is used for ultrasonic processing, if the cutting section is worn and damaged and can not work continuously, the cutting section can be replaced independently without replacing the whole cutting tool, so that the utilization rate of the cutting tool is obviously improved. By designing the distance between the positioning surfaces of the positioning steps of each section of the cutter, when the cutting edge is positioned at the position with the maximum ultrasonic amplitude, the amplitude of the connecting node between the switching section and the extension section and the amplitude of the connecting node between the extension section and the cutting section are minimum, so that the cutter obtains the optimal vibration characteristic. The ultrasonic cutting tool is formed by machining and assembling a plurality of sections of tool bodies, and machining difficulty and cost are reduced. In addition, as an optional implementation mode, the cutting section is made of materials such as high-speed steel or hard alloy, and other parts are made of materials such as alloy steel, the main inventive point of this embodiment is that the three sections can be made of different materials, and only one feasible material is selected.
Example 2
As shown in fig. 5, 6 and 7, the embodiment of the invention discloses a combined honeycomb core ultrasonic plunge cutting tool, which is divided into three parts, namely a switching section, an extension section and a cutting section, wherein one end of the switching section is connected with an ultrasonic amplitude transformer through a switching section threaded section 1, the extension section is connected with the other end of the switching section through an extension section threaded section 8, and the cutting section is connected with the extension section through a cutting section threaded section 9. The step surface 2 of the switching section, the step surface 3 of the extension section and the step surface 4 of the cutting section respectively axially position the switching section, the extension section and the cutting section, bear axial force and conduct ultrasonic vibration. A switching section wrench groove is formed in the outer wall, close to the switching section positioning surface, of the switching section; an extension section wrench groove is formed in the outer wall of the extension section; and a cutting section wrench groove is formed in the outer wall of the cutting section.
During installation, after the switching section, the extension section and the cutting section are assembled, the threaded section 1 of the switching section is connected with the ultrasonic amplitude transformer, the step surface 2 of the switching section is used as axial fixation, and a tightening tool is fixed through the switching section wrench groove 5, the extension section wrench groove 6 and the cutting section wrench groove 7.
Different from the embodiment 1, the combined honeycomb core ultrasonic cutting tool has the advantages that two or more same extension section parts can be connected in a matched mode, one end of each extension section cylindrical part is provided with an external thread, the other end of each extension section cylindrical part is provided with an internal thread with the same nominal diameter, the extension section parts are connected and combined into an extension section through the internal thread and the external thread, the extension section step surfaces 3 are positioning surfaces among the extension section parts, and therefore tools with different length sizes can be obtained, and the combined honeycomb core ultrasonic cutting tool is used for cutting a large-length size cutting tool needed by axial large-depth structure machining. The combined cutting tool is formed by combining the switching section, the extension section and the cutting section, and when the combined cutting tool is used for ultrasonic processing, if the cutting section is worn and damaged and can not work continuously, the cutting section can be replaced independently without replacing the whole cutting tool, so that the utilization rate of the cutting tool is obviously improved. By designing the distance between the positioning surfaces of the positioning steps of each section of the cutter, when the cutting edge is positioned at the position with the maximum ultrasonic amplitude, the amplitude of the connecting node between the switching section and the extension section and the amplitude of the connecting node between the extension section and the cutting section are minimum, so that the cutter obtains the optimal vibration characteristic. The ultrasonic cutting tool is formed by machining and assembling a plurality of sections of tool bodies, and machining difficulty and cost are reduced. In addition, the cutting section is made of high-speed steel or hard alloy materials, and other parts are made of alloy steel, so that the cutting performance is guaranteed, the materials are reasonably utilized, and the manufacturing and using cost of the cutter is reduced.
Claims (6)
1. The utility model provides a modular honeycomb core supersound slotting tool which characterized in that, is including switching section, extension section and the cutting segment triplex that connects gradually, switching section, extension section both ends all are equipped with hole step face or outer step face that are used for axial positioning, the non-cutting end of cutting section is equipped with the outer step face that is used for axial positioning, the cutting segment passes through the extension section and is connected with the switching section, and detachably is together fixed between each section of cutter.
2. The combination honeycomb core ultrasonic plunge cutting tool according to claim 1, wherein the extension segment is a single piece structure having a predetermined length, and adjustment of the overall tool size is accomplished by replacing extension segments of different lengths.
3. The combined honeycomb core ultrasonic plunge cutting tool according to claim 1, wherein the extension section is formed by combining at least two parts, each part has a preset length, and the size of the whole tool is adjusted by adjusting the number of the parts.
4. The combined honeycomb core ultrasonic plunge cutting tool according to claim 1, wherein the distance between the positioning step surface of the end of the switching section close to the ultrasonic horn and the positioning step surface of the extension section is 0.5N 1 λ, is spaced from the large end of the tapered hole of the cutting segment by (N) 2 + 0.25) λ or (N) 2 + 0.75) lambda, the distance between the positioning step surface of the extension section and the positioning step surface of the cutting section is 0.5N 3 λ, wherein N 1 ，N 2 、N 3 All are natural numbers, and lambda is the propagation wavelength of ultrasonic waves in the tool material.
5. The composite honeycomb core ultrasonic plunge cutting tool of claim 1, wherein the cutting segment material comprises high speed steel or cemented carbide material.
6. The combination honeycomb core ultrasonic plunge cutting tool of claim 1, wherein the adaptor and extender material comprises an alloyed steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211415559.1A CN115647412A (en) | 2022-11-11 | 2022-11-11 | Combined honeycomb core ultrasonic cutting tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211415559.1A CN115647412A (en) | 2022-11-11 | 2022-11-11 | Combined honeycomb core ultrasonic cutting tool |
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| CN115647412A true CN115647412A (en) | 2023-01-31 |
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| CN202211415559.1A Pending CN115647412A (en) | 2022-11-11 | 2022-11-11 | Combined honeycomb core ultrasonic cutting tool |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2234825A1 (en) * | 1972-07-15 | 1974-01-24 | Pumpenfabrik Urach | METHOD AND TOOL FOR MAKING HOLES |
| US20010031177A1 (en) * | 1999-03-31 | 2001-10-18 | Hidehiko Nagaya | Interference fit type cutting tool |
| KR20100021099A (en) * | 2008-08-14 | 2010-02-24 | 윤성덕 | Drill adjustable length |
| DE102016113373A1 (en) * | 2016-07-20 | 2018-01-25 | Franz Haimer Maschinenbau Kg | Tool system and connecting element |
| CN108356298A (en) * | 2018-02-24 | 2018-08-03 | 大连理工大学 | A kind of ultrasound is slotting to cut process tool |
| CN217192836U (en) * | 2022-01-06 | 2022-08-16 | 成都佳驰电子科技股份有限公司 | Insert milling cutter for machining wave-absorbing honeycomb parts |
-
2022
- 2022-11-11 CN CN202211415559.1A patent/CN115647412A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2234825A1 (en) * | 1972-07-15 | 1974-01-24 | Pumpenfabrik Urach | METHOD AND TOOL FOR MAKING HOLES |
| US20010031177A1 (en) * | 1999-03-31 | 2001-10-18 | Hidehiko Nagaya | Interference fit type cutting tool |
| KR20100021099A (en) * | 2008-08-14 | 2010-02-24 | 윤성덕 | Drill adjustable length |
| DE102016113373A1 (en) * | 2016-07-20 | 2018-01-25 | Franz Haimer Maschinenbau Kg | Tool system and connecting element |
| CN108356298A (en) * | 2018-02-24 | 2018-08-03 | 大连理工大学 | A kind of ultrasound is slotting to cut process tool |
| CN217192836U (en) * | 2022-01-06 | 2022-08-16 | 成都佳驰电子科技股份有限公司 | Insert milling cutter for machining wave-absorbing honeycomb parts |
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