CN114346840A - Blade full-characteristic multi-process force-control abrasive belt grinding and polishing device - Google Patents
Blade full-characteristic multi-process force-control abrasive belt grinding and polishing device Download PDFInfo
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- CN114346840A CN114346840A CN202111537323.0A CN202111537323A CN114346840A CN 114346840 A CN114346840 A CN 114346840A CN 202111537323 A CN202111537323 A CN 202111537323A CN 114346840 A CN114346840 A CN 114346840A
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Abstract
The invention belongs to the field of complex curved surface manufacturing, and particularly discloses a full-characteristic multi-process force-control abrasive belt grinding and polishing device for a blade. The device comprises a rack, a force control module and a contact wheel type abrasive belt grinding and polishing mechanism, wherein the force control module comprises an impedance motion module, a rough grinding support, a repair support and a finish polishing support which are arranged at one end of the impedance motion module, the contact wheel type abrasive belt grinding and polishing mechanism comprises a driving module, an abrasive belt guide roller module, a tensioning module, a guide wheel module and an abrasive belt module which are arranged on the rack, the abrasive belt module is wound on the driving module, the abrasive belt guide roller module, the tensioning module and the guide wheel module and is tensioned by the tensioning module, and the linear motion of the rough grinding support, the repair support and the finish polishing support is driven by the impedance motion module, so that the grinding and polishing force of a rough grinding belt, a repair abrasive belt and a finish polishing abrasive belt is adjusted. The invention realizes the increase of the abrasive belt multiple in a limited space and simultaneously realizes the full-characteristic grinding and polishing of the blade and multiple processes of grinding and polishing such as coarse grinding, fine grinding and the like.
Description
Technical Field
The invention belongs to the field of complex curved surface manufacturing, and particularly relates to a full-characteristic multi-process force-control abrasive belt grinding and polishing device for a blade.
Background
In an aircraft engine, a gas turbine or a steam turbine, a blade is a core part for performing compression and expansion of gas therein to generate strong power, and the surface quality and the profile accuracy thereof have a great influence on the dynamic performance and the service performance of the whole engine airflow. Grinding and polishing are the last process of blade machining, the final contour precision and the surface quality of the blade are determined, and the final thrust and the service life of an engine are related.
At present, the grinding and polishing of the blade mainly takes manpower as a main part, and the development of automatic grinding and polishing equipment is in an early stage. The related automatic grinding and polishing equipment is mainly divided into a numerical control special machine and a robot grinding and polishing machine, wherein the numerical control special machine grinding and polishing machine is evolved from traditional numerical control machining, a multi-axis numerical control machine tool is used as a carrier, and an abrasive belt or an abrasive wheel is used as a main grinding and polishing tool; the robot grinding and polishing is promoted by the continuously developed robot technology, and generally, a robot is used for clamping a blade to grind on a grinding and polishing machine, or a robot is used for clamping a grinding and polishing tool to grind the fixed or movable blade.
At present, some European and American manufacturing strong countries have outstanding achievements in the development of automatic grinding and polishing processing equipment of the blades with complex curved surfaces, and are tightening the layout to seize the relevant market. For example, the blade six-axis linkage abrasive belt grinding machine tool realizes the constant force grinding and polishing of the blade by increasing the pressure shaft, and can carry out high-efficiency and high-precision grinding and polishing on a complex curved surface; the W518TB and W528TB grinding and polishing machining centers also realize the high-precision machining of the blade profile; in addition, the new generation of robot grinding and polishing equipment is successfully developed by combining the technologies of artificial intelligence, sensing, visual identification and the like of the world famous robot. The research on the abrasive belt grinding and polishing of the blades in China starts late, and the numerical control machining technology for complex free-form surface parts is not mature. Therefore, domestic blade grinding and polishing work is mainly finished manually, the rejection rate is high, dust harm is large, the working efficiency is low, a small number of numerical control special machines are poor in grinding and polishing flexibility and high in cost, and the requirements of various blade grinding and polishing cannot be met. The robot grinding and polishing is an important trend of the prior blade grinding and polishing, but the problems of high flexibility requirement and difficult accurate force control of a grinding and polishing tool exist.
Disclosure of Invention
Aiming at the defects or the improvement requirements of the prior art, the invention provides a full-characteristic multi-process force-control abrasive belt grinding and polishing device for blades, wherein the full-characteristic multi-process force-control abrasive belt grinding and polishing device is correspondingly designed by combining the characteristics of the blades in an aircraft engine, a gas turbine or a steam turbine and the grinding and polishing process characteristics thereof, the structures and the specific arrangement modes of key components of the full-characteristic multi-process force-control abrasive belt grinding and polishing device, such as a frame, a force-control module and a contact wheel type abrasive belt grinding and polishing mechanism, are researched and designed, correspondingly, the multiple increase of the space utilization rate can be realized by arranging three or more abrasive belts in parallel, and the coarse grinding, the trimming, the fine grinding and polishing of the blades can be realized by arranging different abrasive belt models, grinding wheel shapes and the like, the full-characteristic grinding and polishing of the blades, the coarse grinding and polishing of the blades can be realized really, Fine grinding and polishing.
In order to achieve the purpose, the invention provides a blade full-characteristic multi-process force control abrasive belt grinding and polishing device, which comprises a frame, a force control module and a contact wheel type abrasive belt grinding and polishing mechanism, wherein,
the force control module is fixedly arranged on the rack and comprises an impedance motion module, a rough grinding support, a repairing support and a finish polishing support, wherein the rough grinding support, the repairing support and the finish polishing support are arranged at one end of the impedance motion module;
the contact wheel type abrasive belt grinding and polishing mechanism comprises a driving module, an abrasive belt guide roller module, a tensioning module, a guide wheel module and an abrasive belt module which are arranged on a rack, wherein the abrasive belt module is wound on the driving module, the abrasive belt guide roller module, the tensioning module and the guide wheel module, is respectively tensioned through the tensioning module and moves through the driving module, the abrasive belt module comprises a rough grinding abrasive belt, a trimming abrasive belt and a finish polishing abrasive belt, the rough grinding abrasive belt is wound on the rough grinding wheel, the trimming abrasive belt is wound on the repair wheel, the finish polishing abrasive belt is wound on the finish polishing wheel, and the linear motion of the rough grinding support, the trimming support and the finish polishing support is driven through an impedance motion module so as to realize the adjustment of the grinding and polishing force of the abrasive belt, the trimming abrasive belt and the finish polishing abrasive belt, and thus realizing the grinding and polishing of the full characteristics of blades.
Preferably, the driving module includes a driving wheel and a driving motor respectively disposed at two sides of the frame, and a power output shaft of the driving motor is connected to the driving wheel for driving the driving wheel to rotate, so as to drive the rough grinding abrasive belt, the dressing abrasive belt and the fine polishing abrasive belt to move.
Preferably, three first guide grooves are arranged on the driving wheel in parallel, and the rough grinding abrasive belt, the dressing abrasive belt and the fine polishing abrasive belt are respectively arranged in one first guide groove.
As a further preferred, the belt guide roller module comprises a plurality of guide rollers arranged non-collinearly, so that the rough grinding belt, the dressing belt and the finishing belt wound around the guide rollers are in a zigzag shape to increase the winding length of the rough grinding belt, the dressing belt and the finishing belt.
Preferably, the tensioning module includes three tensioning cylinders and three tensioning wheels, the three tensioning cylinders are fixedly disposed on the frame side by side, a push rod of each of the three tensioning cylinders is connected to one tensioning wheel, the rough grinding abrasive belt, the dressing abrasive belt and the finish polishing abrasive belt are respectively wound on one tensioning wheel, and the tensioning degrees of the tensioning cylinders on the rough grinding abrasive belt, the dressing abrasive belt and the finish polishing abrasive belt are respectively adjusted according to different polishing forces.
As a further preference, the guide wheel module comprises a first set of guide wheels provided on both sides of the rough grinding carriage so that a rough grinding belt conforms to the rough grinding carriage arrangement, a second set of guide wheels provided on both sides of the repair carriage so that a repair belt conforms to the repair carriage arrangement, and a third set of guide wheels provided on both sides of the finish polishing carriage so that a finish grinding belt conforms to the finish polishing carriage arrangement.
Preferably, the resistance movement module comprises a sliding block and a movement driving unit, one end of the sliding block is fixedly connected with the rough grinding support, the repairing support and the fine polishing support, and the other end of the sliding block is connected with a power output end of the movement driving unit, and the sliding block drives the rough grinding support, the repairing support and the fine polishing support to move in a compliance manner under the driving of the movement driving unit;
the contact wheel type abrasive belt grinding and polishing mechanism comprises three-dimensional force sensors which are respectively arranged between the rough grinding wheel and the rough grinding support, between the repair wheel and the repair support and between the finish polishing wheel and the finish polishing support, the three-dimensional force sensors are used for detecting contact forces of a workpiece and the rough grinding abrasive belt, the repair abrasive belt and the finish polishing abrasive belt and feeding the contact forces back to a controller, and the controller adjusts the compliance feed amount of the sliding block in real time according to the contact forces.
Generally, compared with the prior art, the above technical solution conceived by the present invention mainly has the following technical advantages:
1. the device realizes the multiple increase of the space utilization rate by arranging three or more abrasive belts in parallel, and can realize the coarse grinding, the modification and the accurate grinding of the blade grinding and polishing, and the grinding and polishing of the full characteristics of the blade, such as a blade basin, a blade back, a blade edge, a blade root corner and a flange plate, by setting different abrasive belt models, grinding wheel shapes and the like, thereby really realizing the full characteristic grinding and polishing of the blade, and multiple processes of the coarse grinding, the accurate grinding and the like.
2. The device can realize high-performance force-controlled grinding and polishing of the blade, stably control the contact force between the grinding wheel and the blade and other parts, and realize stable control of the tension force of the abrasive belt through the tensioning cylinder, thereby improving the grinding and polishing precision and surface quality of the blade and other parts.
3. The device realizes longer abrasive belt winding in a limited space by a multi-wheel winding mode, effectively prolongs the service life of the abrasive belt and increases the replacement period of the abrasive belt.
Drawings
FIG. 1 is a schematic structural view of a full-featured, multi-process force-controlled blade sanding device constructed in accordance with a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of the polishing blade.
In all the figures, the same reference numerals denote the same features, in particular: 1-driving wheel, 2-finishing abrasive belt, 3-fine polishing abrasive belt, 4-rough grinding abrasive belt, 5-force control module, 6-guide roller, 7-tensioning wheel, 8-first tensioning cylinder, 9-second tensioning cylinder, 10-driving motor, 11-rough grinding wheel, 12-guide wheel, 13-force control connecting frame, 14-finishing wheel, 15-guide wheel, 16-fine polishing wheel, 17-guide roller and 18-frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, in the blade full-characteristic multi-process force-control abrasive belt grinding and polishing device provided by the embodiment of the present invention, when grinding is performed, a driving motor 10 is used as a power source, a driving wheel 1 is used as a driving member for rotating an abrasive belt to drive three abrasive belts to rotate, and a force control module 5 drives a force control connecting frame 13 and a rough grinding wheel 11, a dressing wheel 14, and a finish polishing wheel 16 mounted thereon to move through motor driving or air cylinder action, so as to control contact force between the grinding and polishing wheels and the blade. Guide rollers 6, 17 etc. function to control the way the sanding belt is wound, to achieve a longer sanding belt winding in a limited space, a larger wrap angle of the sanding belt wound by drive wheel 1 etc. The tensioning cylinder 9 is combined with preset tensioning air pressure through a tensioning wheel 7 arranged at the upper part of the tensioning cylinder to realize dynamic tensioning of the abrasive belt. More specifically, the device comprises a rack 18, a force control module 5 and a contact wheel type abrasive belt grinding and polishing mechanism, wherein the force control module 5 is fixedly arranged on the rack 18, the force control module 5 comprises an impedance motion module, a rough grinding support, a repairing support and a fine polishing support, the rough grinding support, the repairing support and the fine polishing support are arranged at one end of the impedance motion module, a rough grinding wheel 11 is arranged at the end part of the rough grinding support, a repairing wheel 14 is arranged at the end part of the repairing support, and a fine polishing wheel 16 is arranged at the end part of the fine polishing support; the contact wheel type abrasive belt grinding and polishing mechanism comprises a driving module, an abrasive belt guide roller module, a tensioning module, a guide wheel module and an abrasive belt module which are arranged on the frame 18, the abrasive belt module is wound on the driving module, the abrasive belt guide roller module, the tensioning module and the guide wheel module, and are respectively tensioned by a tensioning module and moved by a driving module, the abrasive belt module comprises a rough grinding abrasive belt, a trimming abrasive belt and a finish polishing abrasive belt, the rough grinding abrasive belt is wound on the rough grinding wheel 11, the dressing abrasive belt is wound on the dressing wheel 14, the finish polishing abrasive belt is wound on the finish polishing wheel 16, the linear motion of the rough grinding bracket, the repairing bracket and the fine polishing bracket is driven by the impedance motion module, the adjustment of the grinding and polishing force of the rough grinding abrasive belt, the trimming abrasive belt and the fine polishing abrasive belt is realized, so that the full-characteristic grinding and polishing of the blade is realized.
More specifically, as shown in fig. 1, in the present invention, the frame 18 is a T-shaped frame, which includes a horizontally disposed frame bottom plate and a vertically disposed frame toggle plate, and the frame bottom plate and the frame toggle plate are reinforced and supported by a frame web. The force control module 5 is arranged on the bracket. The force control module 5 comprises an impedance motion module, a rough grinding support, a repairing support and a fine polishing support, wherein the rough grinding support, the repairing support and the fine polishing support are arranged at one end of the impedance motion module, a rough grinding wheel 11 is arranged at the end part of the rough grinding support, a repairing wheel 14 is arranged at the end part of the repairing support, and a fine polishing wheel 16 is arranged at the end part of the fine polishing support. In the invention, the output end of the impedance motion module is fixedly connected with the rough grinding support, the repair support and the fine polishing support, and in the invention, the rough grinding support, the repair support and the fine polishing support are arranged in a divergent mode by taking the output end of the impedance motion module as a center. In the invention, the three abrasive belts which are arranged in parallel are selected according to the working characteristics of rough grinding, trimming and accurate grinding of blade grinding and polishing, so that the controller of the device can select different grinding and polishing wheels for processing at any time when grinding and polishing are carried out on different areas of the blade, the abrasive belts are seamlessly butted to each degree without returning to zero, and the abrasive belts are replaced again. Therefore, the invention realizes the multiple increase of the space utilization rate by arranging three or more abrasive belts in parallel, and can realize the rough grinding, the shape modification and the accurate grinding of the blade grinding and polishing, and the grinding and polishing of the full characteristics of the blade, such as a blade basin, a blade back, a blade edge, a blade root corner and an edge plate (shown in figure 2) by setting different abrasive belt models, grinding wheel shapes and the like, thereby really realizing the full characteristic grinding and polishing of the blade and multiple processes of rough grinding, accurate grinding and the like.
More specifically, in the present invention, the rough grinding support, the repairing support and the fine polishing support are all arranged in parallel and arranged in an array at a distance from the plane of the rack toggle plate, and in general, the rough grinding support, the repairing support and the fine polishing support are arranged on different planes parallel to the plane of the rack toggle plate. In this way, the processes of rough grinding, shape correcting and fine grinding are not interfered with each other.
In one embodiment of the present invention, the driving module comprises a driving wheel 1 and a driving motor 10 respectively disposed at two sides of the frame 18, and a power output shaft of the driving motor 10 is connected to the driving wheel 1 for driving the driving wheel 1 to rotate, so as to drive the rough grinding abrasive belt, the dressing abrasive belt and the fine polishing abrasive belt to move. In the present invention, the driving wheel 1 and the driving motor 10 only rotate and do not move in parallel. Generally, the driving wheel 1 and the driving motor 10 are respectively arranged at two sides of a rack toggle plate, a power output shaft of the driving motor 10 penetrates through the rack toggle plate to be connected with the driving wheel 1, three first guide grooves are arranged on the driving wheel 1 in parallel, and the rough grinding abrasive belt, the trimming abrasive belt and the fine polishing abrasive belt are respectively arranged in one first guide groove. The first guide groove is provided with a friction surface which is in friction fit with the rough grinding abrasive belt, the dressing abrasive belt and the finish polishing sand to provide power for the rotation of the rough grinding wheel 11, the dressing wheel 14 and the finish polishing wheel 16.
In the invention, the tensioning module comprises three tensioning cylinders and three tensioning wheels, the three tensioning cylinders are fixedly arranged on the frame 18 side by side, a push rod of each tensioning cylinder is connected with one tensioning wheel, the rough grinding abrasive belt, the dressing abrasive belt and the finish polishing abrasive belt are respectively wound on one tensioning wheel, and the tensioning degrees of the tensioning cylinders on the rough grinding abrasive belt, the dressing abrasive belt and the finish polishing abrasive belt are respectively adjusted according to different grinding and polishing forces. The tensioning cylinder is in communication connection with the main control module and provides different tensioning forces for the abrasive belt according to instructions of the main control module. More specifically, in the present invention, the control module controls the power take-off shafts of the 3 tensioning cylinders, respectively. The power output shaft of the tensioning cylinder is fixedly connected with the tensioning wheel, and the tensioning wheel is pushed in the vertical direction to achieve different tensioning degrees of the abrasive belt.
The belt guide roller module comprises a plurality of guide rollers 6 which are arranged in a non-collinear manner, so that the rough grinding belt, the dressing belt and the finish polishing belt wound on the guide rollers 6 are in a zigzag shape, and the winding length of the rough grinding belt, the dressing belt and the finish polishing belt is increased. In one embodiment of the invention, the belt guide roller module comprises a plurality of guide rollers 6 arranged non-collinearly so that the rough grinding belt, the dressing belt and the finishing belt wound around the guide rollers 6 are in a zigzag shape to increase the winding length of the rough grinding belt, the dressing belt and the finishing belt. In an embodiment of the present invention, there are 6 guiding rollers 6, wherein 3 guiding rollers 6 are disposed on a side close to the driving motor 10, and 3 guiding rollers 6 are disposed on a side close to the tensioning cylinder 9, and further, 3 guiding rollers 6 and the driving wheel 1 form an N-shape, and 3 guiding rollers and the tensioning module form an N-shape, and the two N-shapes are arranged in parallel, in this way, the length of the abrasive belt is extended to the maximum extent, and the resistance of the abrasive belt passing through each guiding roller 6 is reduced. In the preferred embodiment of the invention, the surfaces of guide rollers 6 are smooth surfaces, which only serve to extend the length of the sanding belt. In a particular embodiment of the invention, guide roller 6 is rotatable with the movement of the sanding belt, further reducing the friction inside the sanding belt. Furthermore, in the invention, the two sides of the driving wheel are respectively provided with the guide rollers 6, so that when the abrasive belt is wound along the driving wheel, the wrap angle of the abrasive belt wound by the driving wheel is larger, namely the two sides of the driving wheel are respectively provided with the guide rollers 6, so that the wrap angle of the abrasive belt wound on the driving wheel 1 is increased, and the rotation driving force of the abrasive belt is increased.
In a preferred embodiment of the invention, the guide wheel module comprises a first set of guide wheels provided on both sides of the rough grinding carriage such that the rough grinding belt conforms to the rough grinding carriage arrangement, a second set of guide wheels provided on both sides of the repair carriage such that the repair belt conforms to the repair carriage arrangement, and a third set of guide wheels provided on both sides of the finish polishing carriage such that the finish grinding belt conforms to the finish polishing carriage arrangement.
In a preferred embodiment of the invention, the impedance motion module comprises a slide block and a motion driving unit, one end of the slide block is fixedly connected with the rough grinding support, the repairing support and the fine polishing support, and the other end of the slide block is connected with a power output end of the motion driving unit, and the slide block drives the rough grinding support, the repairing support and the fine polishing support to make compliant motion under the driving of the motion driving unit; the contact wheel type abrasive belt grinding and polishing mechanism preferably comprises three-dimensional force sensors which are respectively arranged between the rough grinding wheel 11 and the rough grinding support, between the repair wheel 14 and the repair support and between the finish polishing wheel 16 and the finish polishing support, the three-dimensional force sensors are used for detecting contact forces of a workpiece and the rough grinding abrasive belt, the repair abrasive belt and the finish polishing abrasive belt and feeding the contact forces back to a controller, and the controller adjusts the compliance feed amount of the sliding block in real time according to the contact forces.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A full-characteristic multi-process force control abrasive belt grinding and polishing device for a blade is characterized by comprising a frame (18), a force control module (5) and a contact wheel type abrasive belt grinding and polishing mechanism, wherein,
the force control module (5) is fixedly arranged on the rack (18), the force control module (5) comprises an impedance motion module, a rough grinding support, a repairing support and a fine polishing support, the rough grinding support, the repairing support and the fine polishing support are arranged at one end of the impedance motion module, a rough grinding wheel (11) is arranged at the end part of the rough grinding support, a repairing wheel (14) is arranged at the end part of the repairing support, and a fine polishing wheel (16) is arranged at the end part of the fine polishing support;
the contact wheel type abrasive belt grinding and polishing mechanism comprises a driving module, an abrasive belt guide roller module, a tensioning module, a guide wheel module and an abrasive belt module which are arranged on the frame (18), the abrasive belt module is wound on the driving module, the abrasive belt guide roller module, the tensioning module and the guide wheel module, and are respectively tensioned by a tensioning module and moved by a driving module, the abrasive belt module comprises a rough grinding abrasive belt, a trimming abrasive belt and a finish polishing abrasive belt, the rough grinding abrasive belt is wound on the rough grinding wheel (11), the trimming abrasive belt is wound on the trimming wheel (14), the fine polishing abrasive belt is wound on the fine polishing wheel (16), the linear motion of the rough grinding bracket, the repairing bracket and the fine polishing bracket is driven by the impedance motion module, the adjustment of the grinding and polishing force of the rough grinding abrasive belt, the trimming abrasive belt and the fine polishing abrasive belt is realized, so that the full-characteristic grinding and polishing of the blade is realized.
2. The blade full-characteristic multi-process force-control abrasive belt grinding and polishing device as claimed in claim 1, wherein the driving module comprises a driving wheel (1) and a driving motor (10) respectively arranged at two sides of the frame (18), and a power output shaft of the driving motor (10) is connected with the driving wheel (1) and is used for driving the driving wheel (1) to rotate so as to drive the rough grinding abrasive belt, the dressing abrasive belt and the fine polishing abrasive belt to move.
3. The blade full-characteristic multi-process force-control abrasive belt grinding and polishing device as claimed in claim 2, wherein three first guide grooves are arranged on the driving wheel (1) in parallel, and the rough grinding abrasive belt, the dressing abrasive belt and the finishing abrasive belt are respectively arranged in one first guide groove.
4. The blade full-featured multi-process force-controlled belt grinding and polishing device as claimed in claim 1, wherein the belt guide roller module comprises a plurality of guide rollers (6) arranged non-collinearly so that the rough grinding belt, the dressing belt and the finish polishing belt wound around the guide rollers (6) are in a zigzag shape to increase the winding length of the rough grinding belt, the dressing belt and the finish polishing belt.
5. The blade full-characteristic multi-process force-control abrasive belt grinding and polishing device as claimed in claim 1, wherein the tensioning module comprises three tensioning cylinders and three tensioning wheels, the three tensioning cylinders are fixedly arranged on the frame (18) side by side, a tensioning wheel is connected to a push rod of each of the three tensioning cylinders, the rough grinding abrasive belt, the dressing abrasive belt and the finish polishing abrasive belt are respectively wound on a tensioning wheel, and the tensioning degrees of the tensioning cylinders on the rough grinding abrasive belt, the dressing abrasive belt and the finish polishing abrasive belt are respectively adjusted according to different grinding and polishing forces.
6. The blade full-featured multiple-process force-controlled abrasive belt grinding and polishing device of claim 1, wherein the guide wheel module comprises a first set of guide wheels, a second set of guide wheels and a third set of guide wheels, the first set of guide wheels are arranged on two sides of the rough grinding support so that a rough abrasive belt conforms to the arrangement of the rough grinding support, the second set of guide wheels are arranged on two sides of the repair support so that a repair abrasive belt conforms to the arrangement of the repair support, and the third set of guide wheels are arranged on two sides of the finish polishing support so that a finish abrasive belt conforms to the arrangement of the finish polishing support.
7. The blade full-characteristic multi-process force-control abrasive belt grinding and polishing device as claimed in claim 1, wherein the resistance movement module comprises a slider and a movement driving unit, one end of the slider is fixedly connected with the rough grinding support, the repairing support and the fine polishing support, the other end of the slider is connected with a power output end of the movement driving unit, and the slider is driven by the movement driving unit to drive the rough grinding support, the repairing support and the fine polishing support to move in a compliance manner;
the contact wheel type abrasive belt grinding and polishing mechanism further comprises three-dimensional force sensors which are respectively arranged between the rough grinding wheel (11) and the rough grinding support, between the repair wheel (14) and the repair support and between the finish polishing wheel (16) and the finish polishing support, the three-dimensional force sensors are used for detecting contact forces of a workpiece and the rough grinding abrasive belt, the repair abrasive belt and the finish polishing abrasive belt and feeding the contact forces back to a controller, and the controller adjusts the compliance feed amount of the sliding block in real time according to the contact forces.
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| CN202111537323.0A CN114346840B (en) | 2021-12-15 | 2021-12-15 | Full-characteristic multi-procedure force control abrasive belt grinding and polishing device for blade |
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| CN202111537323.0A CN114346840B (en) | 2021-12-15 | 2021-12-15 | Full-characteristic multi-procedure force control abrasive belt grinding and polishing device for blade |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986340A (en) * | 2022-06-02 | 2022-09-02 | 武汉数字化设计与制造创新中心有限公司 | Force-rotation speed cooperative control full-characteristic abrasive belt grinding and polishing system and method |
| CN115488734A (en) * | 2022-09-29 | 2022-12-20 | 中国航发动力股份有限公司 | Chamfering machining method for edge plate face of compressor rotor blade |
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| CN114986340A (en) * | 2022-06-02 | 2022-09-02 | 武汉数字化设计与制造创新中心有限公司 | Force-rotation speed cooperative control full-characteristic abrasive belt grinding and polishing system and method |
| CN114986340B (en) * | 2022-06-02 | 2023-10-17 | 武汉数字化设计与制造创新中心有限公司 | Full-feature abrasive belt polishing system and method with cooperative control of force and rotation speed |
| CN115488734A (en) * | 2022-09-29 | 2022-12-20 | 中国航发动力股份有限公司 | Chamfering machining method for edge plate face of compressor rotor blade |
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