CN216178353U - Pulse current auxiliary cutting system - Google Patents
Pulse current auxiliary cutting system Download PDFInfo
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- CN216178353U CN216178353U CN202122372224.3U CN202122372224U CN216178353U CN 216178353 U CN216178353 U CN 216178353U CN 202122372224 U CN202122372224 U CN 202122372224U CN 216178353 U CN216178353 U CN 216178353U
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Abstract
The utility model discloses a pulse current auxiliary cutting processing system, which comprises an electric pulse auxiliary processing device and a laser surface roughness online detection device; the electric pulse auxiliary processing device comprises a high-frequency pulse generator and a clamp, wherein the high-frequency pulse generator is connected with the clamp through a wiring cable, and the clamp is clamped on a five-axis processing center clamp; the laser surface roughness online detection device comprises a laser roughness detection head, a retainer and an oscilloscope, wherein the retainer is fixed on a five-axis machining center tool magazine, the laser roughness detection head is clamped at the top end of the retainer, a focus point points to the machined surface of a workpiece, and the laser roughness detection head is connected with the oscilloscope through a signal line. The utility model solves the problems of work hardening, severe cutter abrasion and the like of the existing titanium alloy during processing, can effectively ensure the stability of product quality and improve the production efficiency of titanium alloy components.
Description
Technical Field
The utility model relates to a part processing technology of difficult-to-process metal materials such as titanium alloy and the like, in particular to a pulse current auxiliary cutting processing system, and belongs to the technical field of metal processing.
Background
The titanium alloy has excellent physical and chemical properties, so that the titanium alloy becomes a structural engineering material with higher attraction, and has been widely applied to important manufacturing fields of aerospace, war industry, biomedicine, sports equipment, automobiles and the like. For most of the parts, machining is one of the necessary processes. However, because the titanium alloy material has high strength, small heat transfer coefficient, strong chemical affinity, low elastic modulus and the like, if the cutting process is not proper, generated micro-cracks are initiated on the surface and near the surface layer of the material, and the mechanical property and the fatigue resistance of the surface of the material can be damaged; for parts with complex structures, the traditional machine tool cannot realize quick and effective processing, and the cutting precision is difficult to ensure; the roughness detection of the finished component still generally adopts an off-line sampling detection mode, the machined component cannot be monitored in real time, the detection efficiency is low, and the consumed time is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the processing technology of difficult-to-process metal material parts such as titanium alloy and the like, and provides a pulse current auxiliary cutting processing system which solves the problems of processing hardening, severe cutter abrasion and the like of the existing titanium alloy during processing, and meanwhile, a laser roughness online detection device is added to detect the real-time roughness of the processed surface of the part to replace the original offline detection method, so that the stability of the product quality can be effectively ensured, and the production efficiency of a titanium alloy component is improved.
The purpose of the utility model can be achieved by adopting the following technical scheme:
a pulse current auxiliary cutting processing system comprises an electric pulse auxiliary processing device and a laser surface roughness online detection device;
the electric pulse auxiliary processing device comprises a high-frequency pulse generator and a clamp, wherein the high-frequency pulse generator is connected with the clamp through a wiring cable, and the clamp is clamped on a five-axis processing center clamp;
the laser surface roughness online detection device comprises a laser roughness detection head, a retainer and an oscilloscope, wherein the retainer is fixed on a five-axis machining center tool magazine, the laser roughness detection head is clamped at the top end of the retainer, a focus point points to the machined surface of a workpiece, and the laser roughness detection head is connected with the oscilloscope through a signal line.
Furthermore, the fixture base is clamped on a five-axis machining center fixture, the fixture and the five-axis machining center fixture are insulated, and the middle of the fixture is divided into two parts by an insulating material.
Furthermore, the bottom of the clamp base is provided with a round rod, the round rod is made of an insulating material, and the clamp base is clamped on the five-axis machining center clamp through the round rod.
Further, anchor clamps are three-jaw chuck structure, including chuck main part, first anchor clamps body, the second anchor clamps body, the third anchor clamps body, first positive terminal and first negative terminal, the first anchor clamps body and the third anchor clamps body set up the electric conduction region both ends in the chuck main part respectively, and switch on with first positive terminal, first negative terminal respectively, first positive terminal and first negative terminal are connected with high frequency pulse generator through binding cable respectively, the second anchor clamps body sets up the insulating region in the chuck main part, insulating region divides into two parts with the chuck main part.
Furthermore, the retainer is a four-bar mechanism, and all joints are driven by four steering engines.
Furthermore, the retainer comprises a fixed head, a first connecting rod and a second connecting rod, the fixed head is loaded in a threaded hole of the tool magazine of the five-axis machining center, and the fixed head, the first connecting rod and the second connecting rod are sequentially hinged.
Furthermore, the DuPont wire required by the driving of the steering engine is restrained through the first limiting hole.
Further, be provided with control panel on the high frequency pulse generator, last switch, adjustment button, display screen and the terminal of being provided with of control panel, the terminal includes positive terminal, the second negative terminal of second and ground terminal, positive terminal and the second negative terminal of second are connected with anchor clamps through binding cable respectively.
Furthermore, the bottom of the high-frequency pulse generator is provided with a universal wheel.
Furthermore, the signal line is restrained through a second limiting hole.
Compared with the prior art, the utility model has the following beneficial effects:
1. when the utility model is used for processing difficult-to-process metal materials such as titanium alloy and the like, high-frequency pulse current is applied to the processed parts, and the metal materials are subjected to electro-plastic effect by utilizing the heat effect and the non-heat effect of the high-frequency pulse current, so that the plasticity of the workpiece can be improved, the strength and the processing hardening rate are reduced, the atomic diffusion and dislocation movement of the workpiece are promoted, and the cutting processing performance is favorably improved.
2. The high-frequency pulse current applied by the utility model is applied to two ends of the clamp, and can not form a loop through the clamp when no part is clamped, so that the high-frequency pulse current can completely pass through the machined part, the root mean square current density in the workpiece is effectively improved, and the clamp is insulated from the original clamp of the five-axis machining center, so that safety accidents caused by electrification of the five-axis machining center can be prevented.
3. The utility model monitors the processed surface of the workpiece in real time by the laser roughness online detection device in the processing process, replaces the original offline detection method, can effectively ensure the stability of the product quality and improve the production efficiency of the titanium alloy component.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a structural view of an electric pulse-assisted machining apparatus according to an embodiment of the present invention.
Fig. 2 is a structural diagram of an on-line laser surface roughness measurement device according to an embodiment of the utility model.
Fig. 3 is a side view of a clamp shaft in the electric pulse auxiliary processing apparatus according to the embodiment of the present invention.
Fig. 4 is a right side view of the clamp in the electric pulse auxiliary processing apparatus according to the embodiment of the present invention.
Fig. 5 is a sectional view a-a of fig. 4.
Fig. 6 is a structural diagram of a high-frequency pulse generator in the electric pulse auxiliary processing apparatus according to the embodiment of the present invention.
Wherein, 1-a high-frequency pulse generator, 101-a switch, 102-an adjusting button, 103-a display screen, 104-a second positive wiring column, 105-a second negative wiring column, 106-a grounding wiring column, 107-a universal wheel, 2-a clamp, 201-a round bar, 202-a chuck main body, 2021-a conductive area, 2022-an insulating area, 203-a first clamp body, 204-a second clamp body, 205-a third clamp body, 206-a first positive wiring column, 207-a first negative wiring column, 3-a cable, 4-a laser roughness detection head, 5-a retainer, 501-a fixed head, 502-a first connecting rod, 503-a second connecting rod, 6-an oscilloscope, 7-a first-level steering engine, 8-a second-level steering engine and 9-a third-level steering engine, 10-four-stage steering engine, 11-first limiting hole and 12-second limiting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1 and fig. 2, the present embodiment provides a pulse current assisted cutting machining system, which includes an electric pulse assisted machining device and a laser surface roughness online detection device, where the electric pulse assisted machining device includes a high-frequency pulse generator 1 and a clamp 2, the high-frequency pulse generator 1 is connected to the clamp 2 through a connection cable 3, and the clamp 2 is clamped on a five-axis machining center clamp; the laser surface roughness online detection device comprises a laser roughness detection head 4, a holder 5 and an oscilloscope 6, wherein the holder 5 is fixed on a five-axis machining center tool magazine, the laser roughness detection head 4 is clamped at the top end of the holder 5, a focus point points to the machined surface of a workpiece, and the laser roughness detection head 4 is connected with the oscilloscope 6 through a signal line.
As shown in fig. 1 to 5, a base of a clamp 2 is clamped on a five-axis machining center clamp, the clamp 2 and the five-axis machining center clamp are insulated, the middle of the clamp 2 is divided into two parts by an insulating material, and only when a conductive part is clamped, pulse current can pass through the high-frequency pulse generator 1 to form a complete loop; specifically, the bottom of the base of the clamp 2 is provided with a round rod 201, the round rod 201 is made of an insulating material, and the base of the clamp 2 is clamped on a five-axis machining center clamp through the round rod 201, so that the clamp 2 is ensured to be insulated from the five-axis machining center during working.
Further, the clamp 2 is a three-jaw chuck structure, which includes a chuck main body 202, a first clamp body 203, a second clamp body 204, a third clamp body 205, a first positive terminal 206 and a first negative terminal 207, the first clamp body 203 and the third clamp body 205 are respectively disposed at two ends of a conductive region 2021 on the chuck main body 202 and are respectively conducted with the first positive terminal 206 and the first negative terminal 207, the first positive terminal 206 and the first negative terminal 207 are respectively connected with the high-frequency pulse generator 1 through a connection cable 3, the second clamp body 204 is disposed in an insulating region 2022 on the chuck main body 202, and therefore is not electrically charged, and the insulating region 2022 divides the chuck main body 202 of the clamp 2 into two parts, and a passage can be formed inside the clamp 2 only when the first clamp body 203 and the first clamp body 204 are simultaneously contacted with a conductive part; it should be noted that during machining, the machined part is clamped on the clamp 2 and then the power is allowed to be supplied, and during power supply, the first clamp body 203 and the third clamp body 205 are prohibited from being short-circuited, so that the phenomenon of discharge is avoided and the danger is avoided.
As shown in fig. 1 to 6, the high-frequency pulse generator 1 is connected to a 380V power supply, the high-frequency pulse generator 1 is provided with a switch 101, an adjusting button 102, a display screen 103 and a binding post, the switch 101 can control the start and stop of the high-frequency pulse generator 1, the adjusting button 102 is used for adjusting current parameters, specifically, three adjusting knobs 34 are provided to adjust the voltage, the current, the amplitude and the frequency, and the display screen 102 can display the current voltage, the current, the amplitude and the frequency values; the binding post includes second positive terminal 104, second negative terminal 105 and ground connection post 106, and second positive terminal 104 and second negative terminal 105 are connected with first positive terminal 206, first negative terminal 207 of anchor clamps 2 through the binding cable respectively, and the junction sets up the buckle in order to prevent droing, and ground connection post 106 is used for ground connection.
Preferably, the bottom of the high-frequency pulse generator 1 is provided with a universal wheel 107, which is convenient for a user to move the universal wheel 107 to a proper position, and the universal wheel 107 can be locked and positioned by a buckle.
Further, the retainer 5 is a four-bar mechanism, each joint is driven by four steering engines, and the four steering engines can be divided into a first-stage steering engine 7, a second-stage steering engine 8, a third-stage steering engine 9 and a fourth-stage steering engine 10.
Furthermore, the retainer 5 comprises a fixed head 501, a first connecting rod 502 and a second connecting rod 503, the fixed head 501 is loaded in a threaded hole of a tool magazine of a five-axis machining center, the fixed head 501, the first connecting rod 502 and the second connecting rod 503 are sequentially hinged, and two ends of the first connecting rod 502 and the second connecting rod 503 are connected with clamping grooves and vertically configured, so that the mechanism has more pose selection states; the first-stage steering engine 7 can drive the lower mechanism to rotate around the vertical direction; the second-stage steering engine 8 drives the first connecting rod 502 to rotate around the connecting direction, the third-stage steering engine 9 drives the second connecting rod 503 to rotate around the connecting direction, the fourth-stage steering engine 10 drives the laser roughness detection head 4 to rotate around the connecting direction, a DuPont line required by the driving of the steering engine is restrained through the first limiting hole 11, the steering engine is configured to be set according to the processing steps of processing parts, the position and posture of the retainer 5 are changed along with the processing process by controlling the rotation of the steering engine, the laser focus point of the top measuring head is ensured to follow the latest processed surface all the time, and real-time detection is completed; the laser roughness detection head can emit laser signals, collect the reflected laser signals, and reflect the surface profile of the processed parts after processing, the signal line connected with the laser roughness detection head 4 is restrained through the second limiting hole 12 and is finally connected with the oscilloscope 6, the oscilloscope 6 can display the measured roughness curve and numerical value in real time, and the first limiting hole 11 and the second limiting hole 12 can prevent the conditions of winding, interference and the like between the signal line connected with the laser roughness detection head 4 and the retainer 5, which are required by the driving of a steering engine, in the working process.
The working principle of the pulse current auxiliary cutting system of the embodiment is as follows: the high-frequency pulse generator is applied to two ends of the clamp, so that the processed high-frequency pulse current passes through the processed parts, the electro-plastic effect is generated on the metal material by utilizing the heat effect and the non-heat effect of the high-frequency pulse current, and meanwhile, the processed surfaces of the processed parts are detected in real time by the laser roughness online detection device.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or given otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations, and the terms "upper", "lower", "left", "right", and the like are used for illustrative purposes only and do not mean a unique embodiment.
In conclusion, when the high-frequency pulse current is applied to the processed parts when the metal materials such as titanium alloy and the like which are difficult to process are processed, the high-frequency pulse current generates the electro-plastic effect on the metal materials by utilizing the thermal effect and the non-thermal effect of the high-frequency pulse current, so that the plasticity of the workpiece can be improved, the strength and the processing hardening rate are reduced, the atomic diffusion and dislocation movement of the workpiece are promoted, and the cutting processing performance is improved; the applied high-frequency pulse current is applied to two ends of the clamp, and can not form a loop through the clamp when no part is clamped, so that the high-frequency pulse current can completely pass through the machined part, the root mean square current density in the workpiece is effectively improved, and the clamp is insulated from the original clamp of the five-axis machining center, so that safety accidents caused by electrification of the five-axis machining center can be prevented; the machined surface of the workpiece is monitored in real time by the laser roughness online detection device in the machining process, the original offline detection method is replaced, the stability of the product quality can be effectively ensured, and the production efficiency of the titanium alloy component is improved.
The above description is only for the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the scope of the present invention.
Claims (10)
1. A pulse current auxiliary cutting processing system is characterized by comprising an electric pulse auxiliary processing device and a laser surface roughness online detection device;
the electric pulse auxiliary processing device comprises a high-frequency pulse generator and a clamp, wherein the high-frequency pulse generator is connected with the clamp through a wiring cable, and the clamp is clamped on a five-axis processing center clamp;
the laser surface roughness online detection device comprises a laser roughness detection head, a retainer and an oscilloscope, wherein the retainer is fixed on a five-axis machining center tool magazine, the laser roughness detection head is clamped at the top end of the retainer, a focus point points to the machined surface of a workpiece, and the laser roughness detection head is connected with the oscilloscope through a signal line.
2. The pulse current assisted cutting machining system according to claim 1, wherein the clamp base is clamped on a five-axis machining center clamp, the clamp and the five-axis machining center clamp are insulated from each other, and the clamp is divided into two parts by an insulating material.
3. The pulse current assisted cutting machining system according to claim 2, wherein the bottom of the clamp base is provided with a round rod made of an insulating material, and the clamp base is clamped on a five-axis machining center clamp through the round rod.
4. The pulse current assisted cutting machining system according to claim 2, wherein the clamp is of a three-jaw chuck structure and comprises a chuck main body, a first clamp body, a second clamp body, a third clamp body, a first positive wiring column and a first negative wiring column, the first clamp body and the third clamp body are respectively arranged at two ends of a conductive area on the chuck main body and are respectively conducted with the first positive wiring column and the first negative wiring column, the first positive wiring column and the first negative wiring column are respectively connected with the high-frequency pulse generator through wiring cables, the second clamp body is arranged at an insulating area on the chuck main body, and the insulating area divides the chuck main body into two parts.
5. The pulse current assisted cutting system of claim 1, wherein the holder is a four-bar mechanism, and each joint is driven by four steering engines.
6. The pulse current assisted cutting machining system according to claim 5, wherein the holder includes a fixed head, a first connecting rod and a second connecting rod, the fixed head is loaded in a threaded hole of a five-axis machining center tool magazine, and the fixed head, the first connecting rod and the second connecting rod are sequentially hinged.
7. The pulse current assisted cutting system according to claim 5, wherein the DuPont wire required by the steering engine drive is constrained by a first limiting hole.
8. The pulse current auxiliary cutting processing system according to any one of claims 1 to 7, wherein a control panel is arranged on the high-frequency pulse generator, a switch, an adjusting button, a display screen and a binding post are arranged on the control panel, the binding post comprises a second positive binding post, a second negative binding post and a grounding binding post, and the second positive binding post and the second negative binding post are respectively connected with the clamp through a binding cable.
9. The pulse current assisted cutting system according to any one of claims 1 to 7, wherein a universal wheel is provided at a bottom of the high-frequency pulse generator.
10. The pulse current assisted cutting system according to any one of claims 1 to 7, wherein the signal wire is constrained by a second limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122372224.3U CN216178353U (en) | 2021-09-28 | 2021-09-28 | Pulse current auxiliary cutting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122372224.3U CN216178353U (en) | 2021-09-28 | 2021-09-28 | Pulse current auxiliary cutting system |
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| Publication Number | Publication Date |
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| CN216178353U true CN216178353U (en) | 2022-04-05 |
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| CN202122372224.3U Active CN216178353U (en) | 2021-09-28 | 2021-09-28 | Pulse current auxiliary cutting system |
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| CN (1) | CN216178353U (en) |
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2021
- 2021-09-28 CN CN202122372224.3U patent/CN216178353U/en active Active
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