LU501400B1 - Industrial robot electrolytic grinding processing system and processing method - Google Patents
Industrial robot electrolytic grinding processing system and processing method Download PDFInfo
- Publication number
- LU501400B1 LU501400B1 LU501400A LU501400A LU501400B1 LU 501400 B1 LU501400 B1 LU 501400B1 LU 501400 A LU501400 A LU 501400A LU 501400 A LU501400 A LU 501400A LU 501400 B1 LU501400 B1 LU 501400B1
- Authority
- LU
- Luxembourg
- Prior art keywords
- industrial robot
- electrolytic grinding
- electrolytic
- electrolyte
- workpiece
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H5/00—Combined machining
- B23H5/06—Electrochemical machining combined with mechanical working, e.g. grinding or honing
- B23H5/08—Electrolytic grinding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H2500/00—Holding and positioning of tool electrodes
- B23H2500/20—Methods or devices for detecting wire or workpiece position
Abstract
The invention provides an industrial robot electrolytic grinding processing system and processing method, and relates to the technical field of industrial robot metal processing. The processing carrier is a multi-joint industrial robot, and also comprises an electrolytic grinding head, a pulse power supply, an electrolyte module, a working platform and a short-circuit protection module which are connected with the tail end of the industrial robot. According to the invention, by combining the electrolytic grinding compound machining method with the industrial robot platform, high surface integrity machining of curved parts of complex and difficult-to-machine materials is realized.
Description
DESCRIPTION 7501400
TECHNICAL FIELD The invention belongs to the technical field of industrial robot metal processing, and particularly relates to an industrial robot electrolytic grinding processing system and processing method.
BACKGROUND With the development of aerospace, automobile, energy and other fields, more and more products use curved parts of complex and difficult-to-machine materials. However, the fatigue failure of this kind of parts is caused by its own machining surface quality defects, such as machining tool marks, surface burns, surface ripples, poor roughness, etc. It can be seen that ensuring the integrity of machined surfaces plays an important role in safe and reliable work.
Electrolytic grinding is a kind of workpiece material removal which mainly depends on electrochemical dissolution, while mechanical grinding is mainly responsible for scraping off the loose and soft passivation film formed by electrochemical action. And the surface of the workpiece basically does not produce residual stress and deformation caused by cutting force, and the processing method of thermal stress, flash burr, crack and burn caused by grinding high temperature, which has special processing advantages in the field of machining difficult-to-machine metal materials.
However, the inventor found that due to the lack of effective feedback, electrolytic grinding can only be applied to regular parts such as plane and cylindrical surface, but can't meet the high surface integrity machining requirements of curved parts of complex and difficult-to-machine materials.
SUMMARY In view of this, the purpose of this disclosure is to propose an industrial robot electrolytic grinding processing system and processing method, which can realize the intelligent control of the compound processing process and effectively solve the HUS01400 technical problems in the prior art.
To achieve the above purpose, the present invention provides an industrial robot electrolytic grinding processing system, including: Workbench; The industrial robot body is fixedly installed on the workbench; The end mounting frame is fixedly mounted on the end flange of the industrial robot body; The electrolytic grinding head is fixedly installed on the end mounting frame; The conductive base is fixedly installed on the marble table top; A power supply, the positive electrode is connected to the conductive base, and the negative electrode lead is routed from the inside of the robot body and connected with the electrolytic grinding head through the end mounting bracket; An electrolyte supply unit including a nozzle fixedly mounted on the end mounting frame; Wherein, the electrolytic grinding head grinds the workpiece placed on the conductive base, and the nozzle sprays electrolyte to the electrolytic grinding head and the work area of the workpiece; the electrolytic grinding head, the workpiece mounted on the conductive base and the electrolyte form an electrolytic loop, which performs electrochemical machining on the workpiece and cools the grinding process.
Optionally, the electrolyte supply unit further comprises an electrolyte tank and an electrolyte pump, wherein the electrolyte tank stores electrolyte, and the electrolyte tank is connected to the nozzle through a pipeline; the electrolyte pump is installed on the pipeline between the electrolyte tank and the spray head.
Optionally, the workbench is provided with a working groove, and the industrial robot electrolytic grinding processing system also comprises a recovery pipeline connecting the working groove and the electrolyte tank.
Optionally, the electrolyte supply unit also comprises a filter, a flow meter and a thermometer, wherein the filter, the flow meter and the thermometer are all installed on the pipeline between the electrolyte pump and the spray head.
Optionally, the electrolytic grinding head is equipped with a powerful sensor to HUS01400 feed back the grinding force during grinding, and is in communication connection with the industrial robot control cabinet through the upper computer to control the force/position of the electrolytic grinding process.
Optionally, the invention also comprise a current detection module and a short- circuit protection module, wherein that current detection module is used for detect the current of electrochemical action, and is in communication connection with the industrial robot control cabinet through an upper computer so as to carry out electric/position control on the electrolytic grinding process; the short-circuit protection module is connected to the power supply and used for timely cutting off the operation output of the power supply, the electrolyte unit and the industrial robot unit when a short circuit occurs in the machining process.
Corresponding to the industrial robot electrolytic grinding processing system, the embodiment of the invention also provides an industrial robot electrolytic grinding processing method, the industrial robot electrolytic grinding processing method is applied to the industrial robot electrolytic grinding processing system as described above, and the industrial robot electrolytic grinding processing method includes: Industrial robot end holds electrolytic grinding head; Planning the machining path of robot electrolytic grinding; Fixing the workpiece to be processed on the conductive base; Calibrating the initial position of machining; The electrolyte supply unit is started, and the nozzle sprays electrolyte to the processing area of the workpiece; Turn on the power; The electrolytic grinding head, the workpiece and the electrolyte form an electrolytic loop to compound the workpiece; Through the feedback of current and force information, the normal position of electrolytic grinding head and machining trajectory curve can be adaptively controlled.
Optionally, it also includes: Detecting the current in the electrolytic circuit;
Base on that magnitude of the current, adjusting the position and attitude of the HUS01400 electrolytic grin head to adjust the electrochemical action.
Optionally, it also includes: Detect that grinding force dure grinding; Based on the stress, adjust the position and attitude of the electrolytic grinding head to control the grinding force.
From the above, it can be seen that the industrial robot electrolytic grinding processing system and processing method provided by the embodiment of the present invention places the workpiece on the conductive base; on the one hand, the electrolytic grinding head directly grinds the workpiece; on the other hand, the positive pole of the power supply is connected to the conductive base, and the negative pole of the power supply is connected to the electrolytic grinding head; during grinding, electrolyte is sprayed on the processing area of the workpiece, so that an electrolytic loop is formed between the workpiece and the electrolytic grinding head. Because the workpiece is directly installed on the conductive base and the conductive base is connected to the positive pole of the power supply, the workpiece can be electrolytically machined, thereby realizing composite machining of the workpiece; in addition, the current detection module and the grinding force measurement module communicate with the robot controller through the upper computer to realize the intelligent control of the electrolytic grinding compound machining process under the multi-modal information fusion, which can not only effectively improve the machining intelligence, but also effectively improve the machining quality.
BRIEF DESCRIPTION OF THE FIGURES In order to more clearly explain the technical solutions in this disclosure or related technologies, the following will briefly introduce the drawings needed in the description of the embodiments or related technologies. Obviously, the drawings in the following description are only the embodiments of the present disclosure, and for those of ordinary skill in the field, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an industrial robot electrolytic grinding system HUS01400 according to the embodiment; Fig. 2 is a schematic diagram of an industrial robot electrolytic grinding method according to the embodiment.
In the figures, 1: conductive base; 2: workpiece; 3: working groove; 4: insulating layer; 5: workbench; 6: electrolyte tank; 7: electrolyte pump; 8: filter; 9: thermometer; 10: flowmeter; 11: industrial robot control cabinet; 12: short circuit protection module; 13: upper computer; 14: power cabinet; 15: robot body; 16: pipeline; 17: mounting frame; 18: electrolytic grinding head; 19: nozzle.
DESCRIPTION OF THE INVENTION In order to make the purpose, technical scheme and advantages of the disclosure clearer, the disclosure will be further described in detail below with reference to specific examples and drawings.
In order to achieve the above purpose, as shown in fig. 1, an embodiment of the present invention provides an industrial robot electrolytic grinding processing system, which includes: Workbench 5; The industrial robot body 15 is fixedly installed on the workbench 5; The end mounting bracket 17 is fixedly mounted on the end flange of the industrial robot body 15; The conductive base 1 is arranged on the workbench 5; An electrolytic grinding head 18 mounted on the end mounting frame 17; A power supply, the anode of which is connected to the conductive base 1, and the cathode of which is connected to the electrolytic grinding head 18; An electrolyte supply unit including a spray head 19 fixedly installed on the end mounting frame 17; Among them, the electrolytic grinding head 18 grinds the workpiece 2 placed on the conductive base 1, and the nozzle 19 sprays electrolyte to the working area of the electrolytic grinding head 18 and the workpiece 2; the electrolytic grinding head 18, the workpiece 2 mounted on the conductive base 1 and the electrolyte constitute an electrolytic circuit, which performs electrochemical machining on the workpiece 2 and 7501400 cools the grinding process.
In the embodiment of the invention, the workpiece 2 is placed on the conductive base 1, on the one hand, the electrolytic grinding head 18 directly grinds the workpiece 2; in addition, the positive pole of the power supply is connected to the conductive base 1, the negative pole of the power supply is connected to the electrolytic grinding head 18, and during grinding, electrolyte is sprayed to the machining area of the workpiece 2, thus forming an electrolytic loop between the workpiece 2 and the electrolytic grinding head 18; because that workpiece 2 is directly mount on the conductive base 1 and the conductive base 1 is connected to the positive pole of the pow supply, the workpiece 2 can be subjected which can not only effectively improve the surface processing quality, but also improve the processing efficiency.
As an alternative embodiment, the electrolyte supply unit also includes an electrolyte tank 6 and an electrolyte pump 7. The electrolyte tank 6 stores electrolyte, and the electrolyte tank 6 is connected to a nozzle 19 through a pipeline 16. The electrolyte pump 7 is installed on the pipeline 16 between the electrolyte tank 6 and the spray head 19.
In this way, the electrolyte tank 6 and the electrolyte pump 7 can continuously supply electrolyte.
Optionally, the negative lead of the power supply runs from the inside of the robot body 15 and is connected with the electrolytic grinding head 18 through the end mounting bracket 17.
Optionally, the workbench 5 is provided with a working tank 3, and the industrial robot electrolytic grinding processing system also includes a recovery pipeline 16 connecting the working tank 3 and the electrolyte tank 6, which is used to recover the electrolyte sprayed by the nozzle 19 into the electrolyte tank 6.
Optionally, the electrolyte supply unit also includes a filter 8, a flow meter 9 and a thermometer 10, all of which are installed on the pipeline 16 between the electrolyte pump 7 and the spray head 19. In this way, the filter 8 filters the electrolyte to prevent the nozzle 19 from blocking, the flowmeter 9 is used to feed back the real-time flow of the electrolyte, and the thermometer 10 is used to feed back the temperature of the HUS01400 electrolyte.
Optionally, the industrial robot body 15 is a robot body 15.
Optionally, an insulating layer 4 is arranged between the conductive base 1 and the workbench 5. In this way, an insulating effect is formed by the provision of the insulating layer 4. The material of the insulating layer 4 can be marble, etc.
As an optional embodiment, it also includes a current detection module and a short-circuit protection module 12, wherein the current detection module is used to detect the electrochemical action current, and is in communication connection with the industrial robot control cabinet 11 through the upper computer 13, so as to carry out electric/position control on the electrolytic grinding process; the short-circuit protection module 12 is connected to the power supply, and is used for timely cutting off the operation output of the power supply, the electrolyte unit and the industrial robot unit when a short circuit occurs in the machining process.
Optionally, the power supply is a pulse power supply, which is provided by the power cabinet 14.
Optionally, a pressure sensor is installed on the electrolytic grinding head 18 to feed back the force of the electrolytic grinding head 18 during grinding.
Corresponding to the industrial robot electrolytic grinding processing system, the embodiment of the invention also provides an industrial robot electrolytic grinding processing method; the industrial robot electrolytic grinding processing method is applied to the industrial robot electrolytic grinding processing system as described above. As shown in Figure 2, the industrial robot electrolytic grinding processing method includes: S100, the end of the industrial robot clamps the electrolytic grinding head; S200, planning the machining path of robot electrolytic grinding; S300, fixedly installing a workpiece to be processed on a conductive base; S400, calibrating the processing initial position; S500, the electrolyte supply unit is turned on, and the nozzle sprays electrolyte to the processing area of the workpiece;
S600, turning on the power supply; 7501400 S700, the electrolytic grinding head, the workpiece and the electrolyte form an electrolytic loop to compound the workpiece; S800, through the feedback of current and force information, the normal position of electrolytic grinding head and machining trajectory curve is adaptively controlled.
In the embodiment of the invention, the workpiece is placed on the conductive base, on the one hand, the electrolytic grinding head directly grinds the workpiece; in addition, the positive pole of the power supply is connected to the conductive base, the negative pole of the power supply is connected to the electrolytic grinding head, and during grinding, electrolyte is sprayed to the processing area of the workpiece, so that an electrolytic loop is formed between the workpiece and the electrolytic grinding head. Because the workpiece is directly installed on the conductive base, and the conductive base is connected to the positive pole of the power supply, the workpiece can be electrolytically machined, thus realizing the composite machining of the workpiece, effectively improving the machining accuracy and accelerating the machining efficiency.
As an optional embodiment, it also includes: Detecting the current in the electrolytic circuit; Base on that magnitude of the current, adjusting the position and attitude of the electrolytic grin head to adjust the electrochemical action.
As an optional embodiment, it also includes: Detecting the grinding force of the electrolytic grinding head during grinding; Based on the stress, adjust the position and attitude of the electrolytic grinding head to control the grinding force.
It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of this disclosure should have the ordinary meaning understood by people with ordinary skills in the field to which this disclosure belongs. Similar words such as "including" or "containing" mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words like "connected" or
"linked" are not limited to physical or mechanical connections, but can include HUS01400 electrical connections, whether direct or indirect.
Those of ordinary skill in the art should understand that the discussion of any of the above embodiments is only exemplary, and it is not intended to imply that the scope of the present disclosure (including the claims) is limited to these examples; under the idea of the present disclosure, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes in different aspects of the embodiments of the present disclosure as described above, which are not provided in details for brevity.
The embodiments of the invention are intend to cover all such alternatives, modifications and variation that fall within that broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the embodiments of this disclosure should be included within the scope of protection of this disclosure.
Claims (10)
1. An industrial robot electrolytic grinding system, characterized by comprising: workbench; an industrial robot body is fixedly installed on the workbench; an end mounting frame is fixedly mounted on the end flange of the industrial robot body; a conductive base is arranged on the workbench; an electrolytic grinding head mounted on the end mounting frame; a power supply, the positive pole of which is connected to the conductive base and the negative pole of which is connected to the electrolytic grinding head; an electrolyte supply unit including a nozzle fixedly mounted on the end mounting frame; wherein, the electrolytic grinding head grinds the workpiece placed on the conductive base, and the nozzle sprays electrolyte to the working area of the electrolytic grinding head and the workpiece; the electrolytic grinding head, the workpiece mounted on the conductive base and the electrolyte form an electrolytic loop, which performs electrochemical machining on the workpiece and cools the grinding process.
2. The industrial robot electrolytic grinding system according to claim 1, characterized in that the electrolyte supply unit further comprises an electrolyte tank and an electrolyte pump, wherein the electrolyte tank stores electrolyte, the electrolyte tank is connected to the spray head through a pipeline; the electrolyte pump is installed on the pipeline between the electrolyte tank and the spray head.
3. The industrial robot electrolytic grinding system according to claim 2, characterized in that the workbench is provided with a working groove, and the industrial robot electrolytic grinding system further comprises a recovery pipeline connecting the working groove and the electrolyte tank.
4. The industrial robot electrolytic grinding system according to claim 3, characterized in that the electrolyte supply unit further comprises a filter, a flow meter and a thermometer, wherein the filter, the flow meter and the thermometer are all installed on the pipeline between the electrolyte pump and the spray head.
5. The industrial robot electrolytic grinding system according to claim 1, HUS01400 characterized in that a pressure sensor is installed on the electrolytic grinding head to feed back the force of the electrolytic grinding head during grinding.
6. The industrial robot electrolytic grinding system according to claim 1, characterized in that an insulating layer is arranged between the conductive base and the workbench.
7. The industrial robot electrolytic grinding system according to claim 1, characterized by further comprising a current detection module and a short-circuit protection module, wherein the current detection module is used for detecting the current of electrochemical action, and is in communication connection with the industrial robot control cabinet through an upper computer, so as to carry out electric/position control on the electrolytic grinding process; the short-circuit protection module is connected to the power supply and used for timely cutting off the operation output of the power supply, the electrolyte unit and the industrial robot unit when a short circuit occurs in the machining process.
8. An industrial robot electrolytic grinding processing method, characterized in that the industrial robot electrolytic grinding processing method is applied to the industrial robot electrolytic grinding processing system according to any one of claims 1 to 7, and the industrial robot electrolytic grinding processing method comprises: industrial robot end holds electrolytic grinding head, planning the machining path of robot electrolytic grinding; fixing the workpiece to be processed on the conductive base; calibrating the initial position of machining; the electrolyte supply unit is started, and the nozzle sprays electrolyte to the processing area of the workpiece; turning on the power; the electrolytic grinding head, the workpiece and the electrolyte form an electrolytic loop to compound the workpiece; through the feedback of current and force information, the normal position of electrolytic grinding head and machining trajectory curve can be adaptively controlled.
9. The electrolytic grinding method of industrial robot according to claim 8, HUS01400 characterized by further comprising: detecting the current in the electrolytic circuit; base on that magnitude of the current, adjusting the position and attitude of the electrolytic grin head to adjust the electrochemical action.
10. The electrolytic grinding method of industrial robot according to claim 7, characterized by further comprising: detecting the grinding force of the electrolytic grinding head during grinding; based on the stress, adjust the position and attitude of the electrolytic grinding head to control the grinding force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU501400A LU501400B1 (en) | 2022-02-07 | 2022-02-07 | Industrial robot electrolytic grinding processing system and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU501400A LU501400B1 (en) | 2022-02-07 | 2022-02-07 | Industrial robot electrolytic grinding processing system and processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU501400B1 true LU501400B1 (en) | 2022-08-10 |
Family
ID=82941044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU501400A LU501400B1 (en) | 2022-02-07 | 2022-02-07 | Industrial robot electrolytic grinding processing system and processing method |
Country Status (1)
| Country | Link |
|---|---|
| LU (1) | LU501400B1 (en) |
-
2022
- 2022-02-07 LU LU501400A patent/LU501400B1/en active IP Right Grant
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| Date | Code | Title | Description |
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| FG | Patent granted |
Effective date: 20220810 |