CN114346840B - Full-characteristic multi-procedure force control abrasive belt grinding and polishing device for blade - Google Patents
Full-characteristic multi-procedure force control abrasive belt grinding and polishing device for blade Download PDFInfo
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- CN114346840B CN114346840B CN202111537323.0A CN202111537323A CN114346840B CN 114346840 B CN114346840 B CN 114346840B CN 202111537323 A CN202111537323 A CN 202111537323A CN 114346840 B CN114346840 B CN 114346840B
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Abstract
The invention belongs to the field of complex curved surface manufacturing, and particularly discloses a full-characteristic multi-procedure force control abrasive belt grinding and polishing device for a blade. The device comprises a frame, a force control module and a contact wheel type abrasive belt polishing mechanism, wherein the force control module comprises an impedance movement module and a rough polishing support, a repairing support and a fine polishing support which are arranged at one end of the impedance movement module, the contact wheel type abrasive belt 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, 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 through the tensioning module, and the impedance movement module drives the linear movement of the rough polishing support, the repairing support and the fine polishing support so as to realize adjustment of polishing force of the rough polishing abrasive belt, the repairing abrasive belt and the fine polishing abrasive belt. The invention realizes the multiple increase of the abrasive belt in a limited space, and simultaneously realizes the full-characteristic grinding and polishing of the blade, the rough grinding, the fine grinding and the like.
Description
Technical Field
The invention belongs to the field of complex curved surface manufacturing, and particularly relates to a blade full-feature multi-procedure force control abrasive belt grinding and polishing device.
Background
In an aeroengine, gas turbine or steam turbine, a blade is a core part that performs the compression and expansion of gas therein to generate strong power, and its surface quality and profile accuracy have a great impact on the overall aerodynamic performance and performance of the aircraft. The polishing is the last process of blade processing, determines the final contour precision and surface quality, and relates to the final thrust and service life of the engine.
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 initial stage. The related automatic grinding and polishing equipment is mainly divided into a special numerical control machine and a robot grinding and polishing machine, wherein the special numerical control machine is used for grinding and polishing and is evolved from the traditional numerical control machining, and a multi-axis numerical control machine tool is used as a carrier, and an abrasive belt or a grinding wheel is used as a main grinding and polishing tool; the robot polishing is generated by continuously developing robot technology, and generally adopts a robot to clamp the blade to polish on a polishing machine or clamps a polishing tool to polish the fixed or movable blade.
At present, some European and American manufacturing countries have outstanding achievements in the aspect of development of automatic grinding and polishing processing equipment of complex curved blades, and are clamping the layout and preempting the related markets. If the six-axis linkage abrasive belt grinding machine tool for the blade is used, the constant force grinding and polishing of the blade can be realized by adding the pressure shaft, and the complex curved surface can be efficiently and precisely ground and polished; w518TB and W528TB grind and polish the machining center, have also realized the high-precision machining of the profile of blade; in addition, the known robots in the world are successfully developed with the technology of artificial intelligence, sensing, visual recognition and the like. The research of grinding and polishing of the blade abrasive belt in China is late in starting, and the numerical control processing technology for the parts with the complex free curved surfaces is still immature. Therefore, domestic blade grinding and polishing work is mainly finished by manpower, the rejection rate is high, dust hazard is large, the working efficiency is low, the grinding and polishing flexibility of a small number of special numerical control machines is poor, the cost is high, and the grinding and polishing requirements of various blades can not be met. The robot polishing is an important trend of the current blade polishing, but the problems of high flexibility requirement and difficult precise force control of polishing tools exist in the robot polishing.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides a blade full-characteristic multi-procedure force control abrasive belt polishing device, wherein the full-characteristic multi-procedure force control abrasive belt polishing device is correspondingly designed by combining the characteristics of a blade and the polishing process characteristics of the blade in an aeroengine, a gas turbine or a steam turbine, the structure and the specific setting mode of key components such as a frame, a force control module and a contact wheel type abrasive belt polishing mechanism of the full-characteristic multi-procedure force control abrasive belt polishing device are researched and designed, the multiple increase of space utilization rate is correspondingly realized by arranging three or more abrasive belts in parallel, and by setting different abrasive belt models, grinding wheel shapes and the like, the rough polishing, the finish polishing and the finish polishing of the blade can be realized, and the full-characteristic abrasive polishing of the blade such as the blade basin, the blade back, the blade edge, the blade root corner and the edge plate can be truly realized.
In order to achieve the aim, the invention provides a blade full-characteristic multi-procedure 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 frame and comprises an impedance movement 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 movement module, the rough grinding wheel is arranged at the end part of the rough grinding support, the repairing wheel is arranged at the end part of the repairing support, and the fine polishing wheel 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, 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 and respectively tensioned through the tensioning module and moves through the driving module, the abrasive belt module comprises a rough grinding abrasive belt, a polishing abrasive belt and a fine polishing abrasive belt, the rough grinding abrasive belt is wound on the rough grinding wheel, the polishing abrasive belt is wound on the polishing wheel, the fine polishing abrasive belt is wound on the fine polishing wheel, and the impedance movement module drives the linear movement of the rough grinding support, the polishing support and the fine polishing support so as to realize the adjustment of grinding and polishing forces of the rough grinding abrasive belt, the polishing abrasive belt and the fine polishing abrasive belt, thereby realizing the full-characteristic grinding and polishing of the blade.
As a further preferable mode, the driving module comprises driving wheels and driving motors which are respectively arranged on two sides of the frame, and a power output shaft of each driving motor is connected with each driving wheel and used for driving the driving wheels to rotate so as to drive the rough grinding abrasive belt, the repair abrasive belt and the fine polishing abrasive belt to move.
As a further preferable mode, three first guide grooves are arranged on the driving wheel in parallel, and the rough grinding abrasive belt, the repair abrasive belt and the fine polishing abrasive belt are respectively arranged in one first guide groove.
As a further preferred feature, the belt guide roller module comprises a plurality of guide rollers arranged non-collinearly such that the rough grinding belt, the dressing belt and the fine polishing belt wound around the guide rollers are in a fold line shape to increase the winding length of the rough grinding belt, the dressing belt and the fine polishing belt.
As a further preferable mode, the tensioning module comprises three tensioning cylinders and three tensioning wheels, the three tensioning cylinders are fixedly arranged on the frame side by side, a push rod of each of the three tensioning cylinders is connected with one tensioning wheel, the rough grinding abrasive belt, the repair abrasive belt and the fine polishing abrasive belt are respectively wound on one tensioning wheel, and the tensioning degree of the tensioning cylinders on the rough grinding abrasive belt, the repair abrasive belt and the fine polishing abrasive belt is respectively adjusted according to the difference of grinding and polishing forces.
As a further preferred aspect, the guiding wheel module comprises a first set of guiding wheels, a second set of guiding wheels and a third set of guiding wheels, wherein the first set of guiding wheels is arranged on two sides of the rough grinding support, so that rough grinding abrasive belts conform to the arrangement of the rough grinding support, the second set of guiding wheels is arranged on two sides of the repairing support, so that repairing abrasive belts conform to the arrangement of the repairing support, and the third set of guiding wheels is arranged on two sides of the fine polishing support, so that finishing abrasive belts conform to the arrangement of the fine polishing support.
As a further preferable mode, the impedance movement module comprises a sliding block and a movement driving unit, wherein one end of the sliding block is fixedly connected with the rough grinding support, the repair support and the fine polishing support, and the other end of the sliding block is connected with the power output end of the movement driving unit and drives the rough grinding support, the repair support and the fine polishing support to carry out compliant movement under the driving of the movement 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 and the rough grinding support, between the repairing wheel and the repairing support and between the fine polishing wheel and the fine polishing support, wherein the three-dimensional force sensors are used for detecting contact forces of a workpiece and the rough grinding abrasive belt, the repairing abrasive belt and the fine polishing abrasive belt and feeding the contact forces back to the controller, and the controller adjusts the compliant feeding quantity of the sliding block in real time according to the contact forces.
In general, 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 rough grinding, repair and fine grinding of blade grinding and polishing, and the full-characteristic grinding and polishing of blades such as blade basin, blade back, blade edge, blade root corner and edge plate by arranging different abrasive belt types, grinding wheel shapes and the like, thereby truly realizing the multi-characteristic grinding and polishing of blades such as rough grinding, fine grinding and the like.
2. The device can realize the high-performance controlled polishing of the blade, stably control the contact force between the grinding wheel and the blade and the like, and realize the stable control of the tensioning force of the abrasive belt through the tensioning cylinder, thereby improving the polishing precision and the surface quality of the blade and the like.
3. The device provided by the invention realizes longer abrasive belt winding in a limited space in 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 illustration of a blade full feature multi-process force control belt sander constructed in accordance with a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of a polishing blade.
Like reference numerals denote like technical features throughout the drawings, in particular: the machine comprises a 1-driving wheel, a 2-repairing abrasive belt, a 3-fine polishing abrasive belt, a 4-rough polishing abrasive belt, a 5-force control module, a 6-guide roller, a 7-tensioning wheel, an 8-first tensioning cylinder, a 9-second tensioning cylinder, a 10-driving motor, an 11-rough grinding wheel, a 12-guide wheel, a 13-force control connecting frame, a 14-repairing wheel, a 15-guide wheel, a 16-fine polishing wheel, a 17-guide roller and an 18-frame.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1, in the blade full-feature multi-procedure force control abrasive belt polishing device provided by the embodiment of the invention, when in polishing work, a driving motor 10 is used as a power source, a driving wheel 1 is used as a driving piece for rotating an abrasive belt to drive three abrasive belts to rotate, a force control module 5 is used for carrying out action movement through a motor driving or air cylinder and other action forms with a power control connecting frame 13 and a rough polishing wheel 11, a trimming wheel 14 and a fine polishing wheel 16 arranged on the power control connecting frame, so that the contact force between the polishing wheel and the blade and other parts is controlled. Guide cylinder 6, guide cylinder 17, etc. function to control the manner of winding of the sanding belt to achieve longer sanding belt winding, a greater wrap angle of the sanding belt wound by drive wheel 1, etc. in a limited space. The tensioning cylinder 9 realizes dynamic tensioning of the abrasive belt by combining preset tensioning air pressure through a tensioning wheel 7 arranged at the upper part of the tensioning cylinder. More specifically, the device comprises 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 frame 18, the force control module 5 comprises an impedance movement module, a rough grinding support, a repairing support and a fine polishing support, the rough grinding support is arranged at one end of the impedance movement 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, 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 and respectively tensioned through the tensioning module and moves through the driving module, the abrasive belt module comprises a rough grinding abrasive belt, a polishing abrasive belt and a fine polishing abrasive belt, the rough grinding abrasive belt is wound on the rough grinding wheel 11, the polishing abrasive belt is wound on the polishing wheel 14, the fine polishing abrasive belt is wound on the fine polishing wheel 16, and the impedance movement module drives the linear movement of the rough grinding support, the polishing support and the fine polishing support so as to realize the adjustment of grinding and polishing forces of the rough grinding abrasive belt, the polishing abrasive belt and the fine polishing abrasive belt, and realize the full-characteristic grinding and polishing of the blade.
More specifically, as shown in fig. 1, in the present invention, the frame 18 is a T-shaped frame, which includes a frame bottom plate disposed horizontally and a frame toggle plate disposed in a vertical state, and the frame bottom plate and the frame toggle plate are supported by the frame web. The force control module 5 is arranged on the frame toggle plate. The force control module 5 comprises an impedance movement module, a rough grinding support, a repair support and a fine polishing support, wherein the rough grinding support, the repair support and the fine polishing support are arranged at one end of the impedance movement module, the rough grinding wheel 11 is arranged at the end part of the rough grinding support, the repair support is provided with a repair wheel 14, and the fine polishing support is provided with a fine polishing wheel 16. In the invention, the output end of the impedance movement module is fixedly connected with the rough grinding support, the repairing support and the fine polishing support, and the rough grinding support, the repairing support and the fine polishing support are arranged in a divergent mode by taking the output end of the impedance movement module as the center. In the invention, three abrasive belts which are arranged in parallel are selected according to the working characteristics of rough grinding, repair and fine grinding of the blade grinding and polishing, so that when the controller of the device grinds and polishes different areas of the blade, different grinding and polishing wheels can be selected at any time for processing, each degree is in seamless butt joint, return to zero is not needed, and 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, repair and fine grinding of blade grinding and polishing, and the grinding and polishing of full features of the blade such as a blade basin, a blade back, a blade edge, a blade root corner and a flange plate (shown in figure 2) by arranging different abrasive belt types, grinding wheel shapes and the like, thereby truly realizing the multi-feature grinding and polishing of the blade such as rough grinding, fine grinding and the like.
More specifically, in the invention, the rough grinding support, the repair support and the fine polishing support are all arranged in parallel, and the distances from the plane of the frame toggle plate are arranged in an array, and in general, the rough grinding support, the repair support and the fine polishing support are arranged on different planes parallel to the plane of the frame toggle plate. In this way, the procedures of rough grinding, repair grinding and fine grinding are not interfered with each other.
In one embodiment of the present invention, the driving module includes 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 and is used for driving the driving wheel 1 to rotate, so as to drive the rough grinding abrasive belt, the repair abrasive belt and the fine polishing abrasive belt to move. In the present invention, the driving wheel 1 and the driving motor 10 are rotated only and do not move in parallel. Generally, the driving wheel 1 and the driving motor 10 are respectively arranged at two sides of the frame toggle plate, a power output shaft of the driving motor 10 penetrates through the frame 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 repair abrasive belt and the finish polishing abrasive belt are respectively arranged in one first guide groove. The first guide groove is internally provided with a friction surface which is in friction fit with the rough grinding abrasive belt, the trimming abrasive belt and the fine polishing abrasive belt so as to provide power for rotating the rough grinding wheel 11, the trimming wheel 14 and the fine 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 of the three tensioning cylinders is connected with one tensioning wheel, the rough grinding abrasive belt, the finishing abrasive belt and the fine polishing abrasive belt are respectively wound on one tensioning wheel, and the tensioning degree of the tensioning cylinders on the rough grinding abrasive belt, the finishing abrasive belt and the fine polishing abrasive belt is respectively adjusted according to the difference of 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 output shafts of the 3 tensioning cylinders, respectively. The power output shaft of tensioning cylinder and take-up pulley fixed connection, it moves and promotes the take-up pulley along vertical direction in order to realize the different tensioning degree of abrasive band.
The abrasive belt guide roller module comprises a plurality of guide rollers 6 which are not arranged in a collinear manner, so that a rough grinding abrasive belt, a repair abrasive belt and a fine polishing abrasive belt which are wound on the guide rollers 6 are in a fold line shape, and the winding length of the rough grinding abrasive belt, the repair abrasive belt and the fine polishing abrasive 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 fine polishing belt wound on the guide rollers 6 take a fold line shape to increase the winding length of the rough grinding belt, the dressing belt and the fine polishing belt. In a specific embodiment of the invention, the guide rollers 6 of the invention are provided with 6, wherein 3 guide rollers 6 are arranged on the side close to the driving motor 10, 3 are arranged on the side close to the tensioning cylinder 9, and further, 3 guide rollers 6 and the driving wheel 1 form an N-shaped structure, 3 guide rollers and the tensioning module form an N-shaped structure, and the two N-shaped structures are arranged in parallel, so that the force resistance of the abrasive belt passing through each guide roller 6 is reduced while the length of the abrasive belt is prolonged to the maximum. In the preferred embodiment of the invention, the surfaces of the guide cylinder 6 are smooth surfaces, which serve only to extend the length of the sanding belt. In an embodiment of the invention, guide cylinder 6 may rotate with the movement of the sanding belt, further reducing friction inside the sanding belt. Furthermore, in the invention, the guide rollers 6 are respectively arranged at two sides of the driving wheel, 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 guide rollers 6 are respectively arranged at two sides of the driving wheel, 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 group of guide wheels, a second group of guide wheels and a third group of guide wheels, wherein the first group of guide wheels are arranged on two sides of the rough grinding support, so that rough grinding abrasive belts are arranged in compliance with the rough grinding support, the second group of guide wheels are arranged on two sides of the repairing support, so that repairing abrasive belts are arranged in compliance with the repairing support, and the third group of guide wheels are arranged on two sides of the fine polishing support, so that finishing abrasive belts are arranged in compliance with the fine polishing support.
In a preferred embodiment of the invention, the impedance movement module comprises a sliding block and a movement driving unit, wherein 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 the power output end of the movement driving unit and drives the rough grinding support, the repairing support and the fine polishing support to carry out compliant movement under the driving of the movement driving unit; the contact wheel type abrasive belt grinding and polishing mechanism preferably comprises three-dimensional force sensors respectively arranged between the rough grinding wheel 11 and the rough grinding support, between the repairing wheel 14 and the repairing support and between the fine polishing wheel 16 and the fine polishing support, wherein the three-dimensional force sensors are used for detecting contact forces of a workpiece and the rough grinding abrasive belt, the repairing abrasive belt and the fine polishing abrasive belt and feeding the contact forces back to a controller, and the controller adjusts the compliance feed quantity of the sliding block in real time according to the contact forces.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The full-characteristic multi-procedure force control abrasive belt polishing device for the blade is characterized by comprising a frame (18), a force control module (5) and a contact wheel type abrasive belt polishing mechanism, wherein,
the force control module (5) is fixedly arranged on the frame (18), the force control module (5) comprises an impedance movement 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 movement module, the rough grinding wheel (11) is arranged at the end part of the rough grinding support, the repairing wheel (14) is arranged at the end part of the repairing support, and the 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 a frame (18), 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 and is respectively tensioned through the tensioning module and moves through the driving module, the abrasive belt module comprises a rough grinding abrasive belt, a polishing abrasive belt and a fine polishing abrasive belt, the three abrasive belts are arranged in parallel, the rough grinding abrasive belt is wound on a rough grinding wheel (11), the polishing abrasive belt is wound on a polishing wheel (14), the fine polishing abrasive belt is wound on a fine polishing wheel (16), and the linear movement of the rough grinding support, the polishing support and the fine polishing support is driven through an impedance movement module so as to realize the adjustment of grinding forces of the rough grinding abrasive belt, the polishing abrasive belt and the fine polishing abrasive belt, and the full-polishing abrasive belt, thereby realizing the full-characteristic grinding and polishing of the blade;
the impedance 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, the other end of the sliding block is connected with the power output end of the movement driving unit, and the rough grinding support, the repairing support and the fine polishing support are driven by the movement driving unit to perform compliant movement;
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 repairing wheel (14) and the repairing support and between the fine polishing wheel (16) and the fine polishing support, the three-dimensional force sensors are used for detecting contact forces of a workpiece and the rough grinding abrasive belt, the repairing abrasive belt and the fine polishing abrasive belt, the contact forces are fed back to the controller, and the controller adjusts the compliance feed quantity of the sliding block in real time according to the contact forces.
2. The blade full-feature multi-procedure force control abrasive belt polishing device according to claim 1, wherein the driving module comprises driving wheels (1) and driving motors (10) which are respectively arranged on two sides of the frame (18), and a power output shaft of each driving motor (10) is connected with each driving wheel (1) and is used for driving the driving wheels (1) to rotate so as to drive the rough abrasive belt, the repair abrasive belt and the fine abrasive belt to move.
3. The blade full-feature multi-procedure force control abrasive belt grinding and polishing device according to claim 2, wherein three first guide grooves are arranged on the driving wheel (1) in parallel, and the rough grinding abrasive belt, the repair abrasive belt and the fine polishing abrasive belt are respectively arranged in one first guide groove.
4. A blade full-featured multi-process force-controlled belt sander according to claim 1, characterized in that the belt guide roller module comprises a plurality of guide rollers (6) arranged non-collinearly so that the rough, repair and finish sanding belts wound on the guide rollers (6) take the shape of fold lines to increase the winding length of the rough, repair and finish sanding belts.
5. The blade full-feature multi-procedure force control abrasive belt grinding and polishing device according to 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 push rod of each tensioning cylinder is connected with one tensioning wheel, the rough grinding abrasive belt, the repair abrasive belt and the fine polishing abrasive belt are respectively wound on the tensioning wheels corresponding to the rough grinding abrasive belt, the repair abrasive belt and the fine polishing abrasive belt, and the tensioning degree of the tensioning cylinders on the rough grinding abrasive belt, the repair abrasive belt and the fine polishing abrasive belt is respectively adjusted according to the difference of grinding and polishing forces.
6. The blade full-feature multi-process force control abrasive belt polishing device according to claim 1, wherein the guide wheel module comprises a first group of guide wheels, a second group of guide wheels and a third group of guide wheels, wherein the first group of guide wheels are arranged on two sides of the rough grinding support, so that rough grinding abrasive belts are arranged according to the rough grinding support, the second group of guide wheels are arranged on two sides of the repairing support, so that repairing abrasive belts are arranged according to the repairing support, and the third group of guide wheels are arranged on two sides of the fine polishing support, so that finishing abrasive belts are arranged according to the fine polishing support.
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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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| CN114346840A CN114346840A (en) | 2022-04-15 |
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| 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 |
| CN115972039A (en) * | 2023-02-01 | 2023-04-18 | 北京理工大学 | Wheel-changing type force-control abrasive belt grinding and polishing device mounted on industrial robot |
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2021
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