CN214491136U - Cutting device assisted by in-situ heating - Google Patents
Cutting device assisted by in-situ heating Download PDFInfo
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- CN214491136U CN214491136U CN202022768551.6U CN202022768551U CN214491136U CN 214491136 U CN214491136 U CN 214491136U CN 202022768551 U CN202022768551 U CN 202022768551U CN 214491136 U CN214491136 U CN 214491136U
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Abstract
The utility model discloses an auxiliary cutting device of normal position heating belongs to the precision and the ultra-precision machining technical field of difficult processing material, including base, handle of a knife, cutter and laser instrument, the cutter is installed on the handle of a knife, the handle of a knife with the laser instrument is installed on the base, seted up the confession on the handle of a knife the laser instrument sends the logical light groove that laser passed through. The utility model has the advantages that: laser sends from laser instrument light-emitting mouth, shine on the reflector panel after leading to the light groove, then on the processing sample is reflected to the reflector panel, position and the angle of reflector panel through adjusting the laser instrument output are controlled the position of laser on the processing sample, conveniently measure the distance between laser and the cutter on the processing sample, and can guarantee the invariant of the position relation each other among them in the cutting process, make the heating region more accurate, the accuracy of heating has been improved, safety and efficiency.
Description
Technical Field
The utility model belongs to the technical field of the precision and the ultra-precision machining of difficult processing material, particularly, relate to an auxiliary cutting device of normal position heating.
Background
Hard and brittle materials such as monocrystalline silicon, monocrystalline germanium, sapphire and the like are widely applied to the fields of integrated circuits, infrared detection, military technology, aerospace and the like due to the unique material characteristics. However, these materials are brittle, have low fracture toughness, and have very close elastic limit and strength limit, and if the materials are removed by conventional processing methods on a macroscopic scale, the materials are subjected to brittle fracture, and cracks and pits remain on the processed surface. Studies have shown that when the above hard and brittle materials are heated to a suitable temperature, their hardness and brittleness are reduced, their fracture toughness is increased, and their workability is improved. Laser-assisted machining is considered to be an effective means of machining hard and brittle materials: the laser high-energy field is utilized to irradiate a region to be processed, the local temperature of the material is rapidly increased and softened or phase-changed after receiving the laser energy, and then the region is mechanically processed. Therefore, the addition of the laser field can effectively reduce the surface hardness of materials such as monocrystalline silicon and the like and reduce the processing difficulty. For laser heating assisted cutting machining, the ideal state is that the heating softened area is just cut off by a cutter, and the cutting scrap takes away the redundant heat, so that a better machining surface can be obtained, and the damage to the material caused by the integral temperature rise can be avoided. Therefore, the selection of the positional relationship between the tool and the laser on the machining sample and the maintenance of the relative positional relationship constant are important for the machining quality. In the existing laser heating auxiliary cutting device, a laser and a cutter respectively and independently act on a processing sample, and the position relation of the laser and the cutter on the processing sample is adjusted by adjusting the position of the laser or visually observing, so that the complete coincidence of a laser track and a cutter motion track on the processing sample and the constancy of the relative position between the laser track and the cutter motion track in the processing process are difficult to ensure, and the heating effect, the heating efficiency and the heating safety are not ensured.
SUMMERY OF THE UTILITY MODEL
To laser instrument among the prior art and cutter independent action in processing sample respectively, hardly guarantee laser orbit and cutter movement track complete coincidence on processing sample and the invariable of relative position between them in the course of working for the security of heating effect, heating efficiency and heating does not have guaranteed problem, the utility model provides an auxiliary cutting device of normal position heating includes base, handle of a knife, cutter and laser instrument, the cutter is installed on the handle of a knife, the handle of a knife with the laser instrument is installed on the base, seted up the confession on the handle of a knife the laser instrument sends the light through groove that the laser passed through.
Preferably, a reflector for changing the direction of the laser is installed in the light-transmitting groove.
Preferably, the light reflecting plate is installed in the light passing groove through a first adjusting knob.
Preferably, the rotating shaft of the first adjusting knob and the plane of the reflector are in the same plane.
Preferably, a tool rest for mounting the tool is fixedly mounted on the base, and the tool shank is fixedly mounted on the tool rest through a first clamp.
Preferably, the laser comprises a laser output end, the laser output end is mounted on the base through a second clamp, and the laser light outlet is located on the laser output end.
The laser can output continuous laser with adjustable power so as to meet the heating requirements of different materials; the laser output end internally contains an optical component for adjusting the laser focal length and the light spot size so as to realize the control of the area of the heating area.
Preferably, the output end of the laser is mounted on a micro-motion platform through a second clamp, and the micro-motion platform is fixedly mounted on the base.
Preferably, the second clamp is connected with the micro-motion platform through a second adjusting knob shaft.
Preferably, the rotation axis of the second adjusting knob is perpendicular to the direction of the laser emitted by the laser.
Laser sends from laser instrument light-emitting mouth, shine on the reflector panel after leading to the light groove, then on the processing sample is reflected to the reflector panel, position and the angle of reflector panel through adjusting the laser instrument output are controlled the position of laser on the processing sample, conveniently measure the distance between laser and the cutter on the processing sample, and can guarantee the invariant of the position relation each other among them in the cutting process, make the heating region more accurate, the accuracy of heating has been improved, safety and efficiency.
Preferably, the test sample fixture further comprises a test sample fixture and a control spindle for controlling the test sample fixture to rotate, wherein the test sample fixture is mounted on the control spindle and is located near one side, far away from the tool shank, of the tool.
Preferably, the machine tool control system further comprises a machine tool control system, the machine tool control system comprises a spindle controller and a tool controller, the spindle controller is used for controlling the spindle to rotate, the tool controller is used for controlling the tool running track, the output end of the spindle controller is connected with the input end of the control spindle, and the output end of the tool controller is connected with the input end of the tool.
Preferably, in order to reflect the laser light without damaging the surface of the reflector, the surface of the reflector is coated with a coating material with high reflection performance; install the apron on the logical light groove of handle of a knife, prevent debris such as smear metal from getting into logical light groove, pile up and influence the heating effect in order to prevent the smear metal in cutter the place ahead, install gas blowing device on the lathe, gas blowing device's blow gun is close to the cutting area of processing sample, the clearance smear metal that can be timely of blow gun department blowout high-pressure gas in the course of working.
It should be noted that the spot shape of the laser after reflection changes to some extent, but the spot size of the laser after reflection does not change in the feeding direction of the cutter, but only increases in the cutting direction; in addition, the laser spot used is very small, generally in the micron order, and does not affect the heating effect.
The laser parameters can be selected, temperature field simulation can be carried out on the selected material through COMSOL software, suitable laser parameters are selected according to simulation results, the heating temperature can be enough to soften the material before the cutter passes through the laser parameters, and ablation damage can be caused to the interior of the material due to poor heating temperature.
Has the advantages that:
adopt the utility model discloses technical scheme produces beneficial effect as follows:
(1) laser sends from laser instrument light-emitting mouth, shine on the reflector panel after leading to the light groove, then on the processing sample is reflected to the reflector panel, position and the angle of reflector panel through adjusting the laser instrument output are controlled the position of laser on the processing sample, conveniently measure the distance between laser and the cutter on the processing sample, and can guarantee the invariant of the position relation each other among them in the cutting process, make the heating region more accurate, the accuracy of heating has been improved, safety and efficiency.
(2) The laser can output continuous laser with adjustable power so as to meet the heating requirements of different materials; the laser output end internally contains an optical component for adjusting the laser focal length and the light spot size so as to realize the control of the area of the heating area.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the positional relationship between the tool post, the tool, the knob, the clamp, the laser output end, and the processing sample according to the present invention;
fig. 3 is a schematic diagram of a reflection mode of laser light according to the present invention;
fig. 4 is a schematic diagram of a reflection mode of the laser in the present invention.
In the figure:
1-a base; 2-a knife handle; 3-cutting tools; 4-a laser; 41-laser output end;
42-laser light outlet; 5-light through groove; 6, a tool rest; 7-a first clamp;
8-a reflector; 9-a first adjustment knob; 10-a second clamp; 11-a micro-motion platform;
12-a second adjustment knob; 13-processing the sample; 14-a specimen holder;
15-control the main shaft; 16-a machine tool control system; 17-cover plate.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model provides an auxiliary cutting device of normal position heating includes base 1, handle of a knife 2, cutter 3 and laser instrument 4, cutter 3 is installed on the handle of a knife 2, the handle of a knife 2 with laser instrument 4 is installed on the base 1, the confession has been seted up on the handle of a knife 2 laser instrument 4 sends the logical light groove 5 that laser passes through.
In a preferred embodiment, a light reflecting plate 8 for changing the direction of the laser light is installed in the light transmitting groove 5.
In a preferred embodiment, the light reflecting plate 8 is mounted in the light-passing groove 5 by a first adjusting knob 9.
In a preferred embodiment, the rotation axis of the first adjusting knob 9 is in the same plane as the plane of the reflector 8.
In a preferred embodiment, a tool holder 6 for mounting the tool 3 is fixedly mounted on the base 1, and the tool holder 2 is fixedly mounted on the tool holder 6 by a first clamp 7.
In a preferred embodiment, the laser 4 includes a laser output end 41, the laser output end 41 is mounted on the base 1 through the second fixture 10, and the laser light outlet 42 is located on the laser output end 41.
The laser 4 can output continuous laser with adjustable power so as to meet the heating requirements of different materials; the laser output end 41 contains optical components (not shown) for adjusting the laser focal length and the spot size, so as to control the area of the heating region.
In a preferred embodiment, the laser output end 41 is mounted on a micro-motion platform 11 through a second clamp 10, and the micro-motion platform 11 is fixedly mounted on the base 1.
In a preferred embodiment, the second clamp 10 is connected with the micro platform 11 through a second adjusting knob 12.
In a preferred embodiment, the rotation axis of the second adjusting knob 12 is perpendicular to the direction of the laser beam emitted by the laser 4.
Laser sends from laser instrument light-emitting mouth 42, shine on reflector panel 8 after logical light groove 5, then reflect to processing sample 13 through reflector panel 8 on, the position of laser output 41 and the angle of reflector panel 8 are controlled the position of laser on processing sample 13 through adjusting, conveniently measure the distance between laser and cutter 3 on processing sample 13, and can guarantee the invariant of position relation each other among them in the cutting process, it is more accurate to make the heating region, the accuracy of heating has been improved, security and efficiency.
The laser reflection mode in this embodiment can be adjusted according to actual requirements, and two ways, i.e., a first way and a second way, are provided herein, but not limited to these two ways.
As shown in fig. 3 and 4, according to the first reflection method, the distance L between the laser beam on the processing sample 13 and the tool 3 can be expressed by the formula L ═ L2·tan2θ-(L3-L1) Represents; according to the second reflection equation, the distance l between the laser beam on the machining sample 13 and the tool 3 can be represented by the equation l ═ l1-l3-l2Tan2 β.
Wherein L is1、L2、L3The reflecting mode is obtained according to the position relation among the cutter 3, the laser 4 and the reflector 8, the three are used as the same positioning reference during installation, the position relation is convenient to determine, the angle theta of the reflector 8 is read according to the scale on the first adjusting knob 9, and the angle theta of the reflector II can be obtained in the same way1、l2、l3And an angle beta. As described above, the distance between the laser light on the machining sample 13 and the tool 3 can be accurately measured. In addition, since the laser output 41 and the tool 3 are both coupled to the tool post 6 by the jig, a constant position between the laser on the machining sample 13 and the tool 3 can be ensured during the cutting process.
As shown in fig. 1 and 2, as a preferred embodiment, the tool further includes a sample holder 14 and a control spindle 15 for controlling the rotation of the sample holder 14, and the sample holder 14 is mounted on the control spindle 15 and located near a side of the tool 3 away from the tool holder 2.
As a preferred embodiment, the machine tool control system 16 further comprises a spindle controller (not shown) for controlling the rotation of the control spindle 15 and a tool controller (not shown) for controlling the movement track of the tool 3, wherein the output end of the spindle controller is connected with the input end of the control spindle 15, and the output end of the tool 3 controller is connected with the input end of the tool 3.
As a preferred embodiment, in order to reflect the laser light without damaging itself, the surface of the reflector 8 is coated with a coating material having high reflection performance; install apron 17 on the logical light groove 5 of handle of a knife 2, prevent that debris such as smear metal from getting into logical light groove 5, pile up and influence the heating effect in order to prevent the smear metal in 3 the place ahead of cutter, install gas blowing device on the lathe, the blow gun of gas blowing device (not shown) is close to the cutting area of processing sample 13, the clearance smear metal that high-pressure gas can be timely is located to blowout in the blow gun in the course of working.
It should be noted that the spot shape of the laser after being reflected changes to some extent, but the spot size of the laser after being reflected is not changed in the feeding direction of the cutter 3, and is increased only in the cutting direction; in addition, the laser spot used is very small, generally in the micron order, and does not affect the heating effect.
The laser parameters can be selected, temperature field simulation can be carried out on the selected material through COMSOL software, suitable laser parameters are selected according to simulation results, the heating temperature can be enough to soften the material before the cutter 3 passes through the laser parameters, and ablation damage can be caused to the interior of the material due to poor heating temperature.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an auxiliary cutting device of normal position heating, its characterized in that, includes base, handle of a knife, cutter and laser instrument, the cutter is installed on the handle of a knife, the handle of a knife with the laser instrument is installed on the base, set up on the handle of a knife and supply the laser instrument sends the logical light groove that laser passes through.
2. An in-situ heating assisted cutting device according to claim 1, wherein a light reflecting plate for changing the direction of the laser is installed in the light passing groove.
3. The in situ heating assisted cutting apparatus of claim 2, wherein the reflector plate is mounted in the light-passing groove by a first adjusting knob.
4. The in-situ heating assisted cutting device of claim 3, wherein the rotation axis of the first adjusting knob is in the same plane as the plane of the reflector.
5. The in-situ heating assisted cutting device of claim 1, wherein a tool holder for mounting the tool is fixedly mounted on the base, and the tool holder is fixedly mounted on the tool holder by a first clamp.
6. The in situ heating assisted cutting device of claim 1, wherein the laser comprises a laser output end, the laser output end is mounted on the base through a second clamp, and the laser light outlet is located on the laser output end.
7. An in situ heat assisted cutting apparatus as claimed in claim 6 wherein the laser output is mounted by a second clamp on a micro-motion platform, the micro-motion platform being fixedly mounted on the base.
8. The in situ heat assisted cutting apparatus of claim 7, wherein the second clamp is coupled to the micro platform by a second adjustment knob shaft.
9. The in situ heat assisted cutting apparatus of claim 8, wherein the axis of rotation of the second adjustment knob is perpendicular to the direction of the laser light emitted by the laser.
10. The in situ heat assisted cutting apparatus of claim 9, further comprising a sample holder and a control spindle for controlling rotation of the sample holder, the sample holder being mounted on the control spindle near a side of the tool remote from the tool shank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022768551.6U CN214491136U (en) | 2020-11-25 | 2020-11-25 | Cutting device assisted by in-situ heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022768551.6U CN214491136U (en) | 2020-11-25 | 2020-11-25 | Cutting device assisted by in-situ heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214491136U true CN214491136U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022768551.6U Active CN214491136U (en) | 2020-11-25 | 2020-11-25 | Cutting device assisted by in-situ heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214491136U (en) |
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2020
- 2020-11-25 CN CN202022768551.6U patent/CN214491136U/en active Active
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