CN114454042B - Automatic grinding wheel dressing mechanism of aeroengine She Sun blade grinding machine tool - Google Patents
Automatic grinding wheel dressing mechanism of aeroengine She Sun blade grinding machine tool Download PDFInfo
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- CN114454042B CN114454042B CN202210273125.6A CN202210273125A CN114454042B CN 114454042 B CN114454042 B CN 114454042B CN 202210273125 A CN202210273125 A CN 202210273125A CN 114454042 B CN114454042 B CN 114454042B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The application discloses automatic grinding wheel dressing mechanism of an aeroengine She Sun blade grinding machine tool relates to the technical field of aeroengine production and manufacturing equipment. The device comprises a bracket, a grinding mechanism, a repairing mechanism, a lifting mechanism and a detection control mechanism, wherein the grinding mechanism, the repairing mechanism, the lifting mechanism and the detection control mechanism are arranged on the bracket; the grinding mechanism comprises a grinding wheel for grinding the tenon part structure of the blade; the lifting mechanism is used for driving the repairing mechanism to be far away from or close to the grinding wheel; the detection control mechanism is used for detecting whether the grinding wheel is abraded or not, and if the grinding wheel is abraded, the detection control mechanism controls the lifting mechanism to drive the repairing mechanism to be close to the grinding wheel so as to polish and repair the grinding wheel. When the grinding wheel polishes the blade tenon structure in this application, when detection control mechanism detects the emery wheel and produces wearing and tearing, detection control mechanism automatic control elevating system drives repair mechanism and is close to the emery wheel and polish the restoration to the emery wheel, has effectively guaranteed the precision of polishing of emery wheel to the efficiency of polishing of emery wheel has been improved greatly.
Description
Technical Field
The application relates to the technical field of aeroengine production and manufacturing equipment, in particular to an automatic grinding wheel dressing mechanism of an aeroengine She Sun blade grinding machine tool.
Background
The grinding wheel is a bonded grinding tool with certain strength, which is formed by bonding common abrasive materials into a certain shape (mostly circular, with a through hole in the center) by a bonding agent. It is generally composed of abrasive, bond and air holes, which are often referred to as the three elements of a bonded abrasive tool. According to different classes of binders, ceramic (binder) grinding wheels, resin (binder) grinding wheels, and rubber (binder) grinding wheels are common. The grinding wheel is the one with the largest use amount and the widest use range in the grinding tool, rotates at high speed when in use, and can perform coarse grinding, semi-fine grinding, slotting, cutting and the like on the excircle, the inner circle, the plane, various molded surfaces and the like of a metal or nonmetal workpiece.
The She Sun blade of the aircraft engine is generally made of titanium alloy and composite materials, the strength of the blade is high, and the blade needs to be repeatedly ground and cut in the production process to achieve required precision. In the grinding process, the surface of the grinding wheel is often accompanied by much abrasion, and the abraded grinding wheel has serious influence on the quality precision of the blade grinding of the aircraft engine She Sun. At present, when a grinding wheel is worn, the surface of the grinding wheel is generally polished in a manual repair mode, the polishing precision often depends on the technology and experience of an operator, the polishing precision of the grinding wheel is difficult to guarantee, and the polishing efficiency is low.
Disclosure of Invention
In order to improve the efficiency and the precision of polishing of emery wheel, this application provides an aeroengine She Sun blade grinding machine's automatic mechanism of trimming of emery wheel.
The application provides an aeroengine She Sun blade grinding machine's emery wheel automatic trimming mechanism adopts following technical scheme:
an automatic grinding wheel dressing mechanism of an aeroengine She Sun blade grinding machine tool comprises a support, a grinding mechanism, a repairing mechanism, a lifting mechanism and a detection control mechanism, wherein the grinding mechanism, the repairing mechanism, the lifting mechanism and the detection control mechanism are arranged on the support;
the grinding mechanism comprises a grinding wheel for grinding the tenon part structure of the blade;
the repairing mechanism is used for polishing and repairing the grinding wheel, and the lifting mechanism is used for driving the repairing mechanism to be far away from or close to the grinding wheel;
the detection control mechanism is electrically connected with the repair mechanism and the lifting mechanism;
the detection control mechanism is used for detecting whether the grinding wheel is abraded or not, and if the grinding wheel is abraded, the detection control mechanism controls the lifting mechanism to drive the repairing mechanism to be close to the grinding wheel so as to polish and repair the grinding wheel.
Through adopting above-mentioned technical scheme, when the emery wheel was polished the processing to blade tenon portion structure, when detection control mechanism detected the emery wheel and produced wearing and tearing, detection control mechanism automatic control elevating system drove repair mechanism and is close to the emery wheel and polish the restoration to the emery wheel, has effectively guaranteed the precision of polishing of emery wheel to the efficiency of polishing of emery wheel has been improved greatly.
Preferably, the detection control mechanism comprises an infrared distance measuring sensor and a controller which are arranged on the bracket;
the infrared distance measuring sensor is in electric signal connection with the input end of the controller, and the output end of the controller is respectively in electric connection with the repairing mechanism and the lifting mechanism;
the grinding wheel grinding device comprises a lifting mechanism, a grinding wheel, an infrared distance measuring sensor, a controller and a repair mechanism, wherein the lifting mechanism is used for lifting a grinding wheel, the infrared distance measuring sensor is used for detecting the distance between the infrared distance measuring sensor and the end face of the grinding wheel, if the distance is larger than the initial set distance between the grinding wheel and the infrared distance measuring sensor, the infrared distance measuring sensor sends an electric signal of grinding wheel abrasion to the controller, and the controller controls the lifting mechanism and the repair mechanism to polish and repair the grinding wheel according to the electric signal.
Through adopting above-mentioned technical scheme, infrared distance measuring sensor detects the distance between the emery wheel terminal surface to whether the analysis reachs the emery wheel and produces wearing and tearing after carrying out the comparison with the initial set distance according to the result of measuring distance, if the emery wheel produces wearing and tearing back infrared distance measuring sensor to controller signals of telecommunication, controller control elevating system and repair mechanism polish the restoration to the emery wheel, have effectively improved the degree of accuracy or the detection efficiency that the emery wheel wearing and tearing detected, and then have improved the efficiency of polishing and the precision of polishing of emery wheel.
Preferably, the detection control mechanism further comprises a rodless cylinder driving the infrared distance measuring sensor to reciprocate along the radial direction of the grinding wheel.
Through adopting above-mentioned technical scheme, rodless cylinder drives infrared distance measuring sensor along emery wheel radial direction reciprocating motion, and then makes things convenient for infrared distance measuring sensor to change the detection position along the emery wheel radial direction, has both been convenient for detect the emery wheel of different diameters size to can detect the prosthetic emery wheel of polishing many times, improved application scope greatly.
Preferably, the repair mechanism comprises a repair wheel, a repair shaft and a repair motor;
the repair shaft is rotatably connected with the bracket, and the axis direction of the modification shaft is parallel to the axis direction of the grinding wheel;
the repairing wheel is coaxially and fixedly connected with the repairing shaft, and the repairing wheel is positioned right above the grinding wheel;
the repair motor is used for driving the repair shaft to rotate, and is electrically connected with the controller.
Through adopting above-mentioned technical scheme, the repair motor drives the restoration axle and restores the wheel rotation, and the restoration wheel is repaired through polishing to the emery wheel of pivoted mode, no matter the emery wheel work or when shutting down the homoenergetic to the emery wheel restoration of polishing, has effectively improved the restoration efficiency of polishing.
Preferably, the lifting mechanism comprises a lifting motor, a lead screw, a supporting block and a guide assembly;
the lifting motor is fixed at the top of the bracket, the output end of the lifting motor is arranged vertically downwards, and the lifting motor is electrically connected with the controller;
the screw rod is coaxially and fixedly connected with the output end of the lifting motor, and one end of the screw rod, which is far away from the lifting motor, is rotatably connected with the bracket;
the supporting block is in threaded connection with the lead screw, and the guide assembly is used for guiding the supporting block to reciprocate along the axial direction of the lead screw;
the repairing motor is fixed on the supporting block, a connecting assembly is arranged at one end of the supporting block, which is far away from the repairing motor, and the repairing shaft is rotatably connected with the supporting block through the connecting assembly;
and a transmission assembly is arranged between the output end of the repair motor and the repair shaft, and the repair motor drives the repair shaft to rotate through the transmission assembly.
By adopting the technical scheme, the lifting motor is started, the lifting motor drives the screw rod to rotate, and further drives the supporting block to move back and forth along the axis direction of the screw rod, and further drives the repairing mechanism to be close to or far away from the grinding wheel; and the repair motor and the repair shaft are respectively arranged at two ends of the supporting block, so that the stability of the supporting block is effectively ensured, and the stability of the repair mechanism in the moving process is further improved.
Preferably, the connecting assembly comprises a connecting rod fixedly connected with the supporting block, and the connecting rod is arranged along the vertical direction;
one end of the connecting rod, which is far away from the supporting block, is fixedly connected with a connecting sleeve, and the connecting sleeve is positioned at the bottom of one end of the screw rod, which is far away from the lifting motor; the repair shaft is rotatably connected in the connecting sleeve.
Through adopting above-mentioned technical scheme, the connecting sleeve passes through the connecting rod to be set up in the lead screw bottom, when guaranteeing stability, does not influence elevating system and drives repair mechanism and wholly remove.
Preferably, the transmission assembly comprises a driving wheel, a driven wheel and a transmission belt, wherein the driving wheel is coaxially and fixedly connected with the output end of the repair motor, the driven wheel is coaxially and fixedly connected with the repair shaft, and the transmission belt is sleeved and tensioned between the driving wheel and the driven wheel.
Through adopting above-mentioned technical scheme, adopt belt drive's mode to drive the restoration axle and rotate, simple structure, transmission are steady, convenient maintenance.
Preferably, the grinding wheel is positioned outside the bracket, and the bracket is provided with a yielding groove for the connection sleeve to penetrate out;
the stepping groove is connected with a slag trap in a sliding mode, the slag trap is fixed on the connecting sleeve, the connecting sleeve can drive the slag trap to move in a reciprocating mode in the vertical direction, and the stepping groove is always closed in the moving process of the slag trap.
Through adopting above-mentioned technical scheme, the emery wheel sets up in the outside convenience of support and grinds the machined part, supplies the inslot that steps down that the connecting sleeve wore out to set up the slag trap on the support, avoids repairing wheel to polish the piece that produces when restoreing in the groove gets into the support along stepping down.
Preferably, a buffering support assembly is arranged between the slag trap and the bracket.
Through adopting above-mentioned technical scheme, set up buffering supporting component between slag trap and the support, effectively reduce the collision between slag trap reciprocating motion in-process and the support, improve life.
Preferably, the buffer support assembly comprises a fixed cylinder fixedly connected with the bracket, and one end of the fixed cylinder, facing the slag trap, is connected with a sliding cylinder in a sliding manner; a buffer spring is fixedly connected between the fixed cylinder and the sliding cylinder; under the action of the buffer spring, the sliding barrel is always abutted against and pressed against the slag baffle.
Through adopting above-mentioned technical scheme, utilize the buffer capacity of spring, slow down the collision between slag trap and the support, simple structure is practical.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the grinding wheel polishes the tenon part structure of the blade, and the detection control mechanism detects that the grinding wheel is abraded, the detection control mechanism automatically controls the lifting mechanism to drive the repairing mechanism to be close to the grinding wheel to polish and repair the grinding wheel, so that the polishing precision of the grinding wheel is effectively guaranteed, and the polishing efficiency of the grinding wheel is greatly improved;
2. the rodless cylinder drives the infrared distance measuring sensor to reciprocate along the radial direction of the grinding wheel, so that the infrared distance measuring sensor can conveniently change the detection position along the radial direction of the grinding wheel, the grinding wheels with different diameters can be conveniently detected, the grinding wheels which are polished and repaired for multiple times can be detected, and the application range is greatly improved;
3. the repair motor drives the repair shaft and the repair wheel to rotate, the repair wheel polishes and repairs the grinding wheel in a rotating mode, the grinding wheel can be polished and repaired no matter when the grinding wheel works or is stopped, and polishing repair efficiency is effectively improved.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic cross-sectional view showing the inside of the stent in the example of the present application.
FIG. 3 is a schematic sectional view showing the positional relationship among the bracket, the slag trap and the buffering support assembly in the embodiment of the present application.
Description of reference numerals: 1. a support; 11. a yielding groove; 12. a slag trap; 13. a sliding groove; 2. a grinding mechanism; 21. a grinding wheel; 22. grinding the shaft; 23. rotating the motor; 3. a repair mechanism; 31. repairing the wheel; 32. repairing the shaft; 33. repairing the motor; 34. a transmission assembly; 341. a driving wheel; 342. a driven wheel; 343. a drive belt; 4. a lifting mechanism; 41. a lifting motor; 42. a lead screw; 43. a support block; 44. a guide assembly; 441. a connecting plate; 442. a guide rail; 443. a guide card; 5. a detection control mechanism; 51. a rodless cylinder; 52. an infrared ranging sensor; 53. a controller; 6. a connecting assembly; 61. a connecting rod; 62. a connecting sleeve; 7. a buffer support assembly; 71. a fixed cylinder; 72. a sliding barrel; 73. a buffer spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses an automatic grinding wheel dressing mechanism of an aeroengine She Sun blade grinding machine tool.
Examples
Referring to fig. 1, an automatic grinding wheel dressing mechanism of an aircraft engine She Sun blade grinding machine tool comprises a support 1, a grinding mechanism 2, a repairing mechanism 3, a lifting mechanism 4 and a detection control mechanism 5, wherein the grinding mechanism 2, the repairing mechanism 3, the lifting mechanism 4 and the detection control mechanism are arranged on the support 1. The grinding mechanism 2 comprises a grinding wheel 21 which is rotatably connected with the bracket 1 and is used for grinding the blade tenon structure. The repair mechanism 3 is used for repairing and polishing the circumferential surface of the grinding wheel 21, and the lifting mechanism 4 is used for driving the repair mechanism 3 to be far away from or close to the grinding wheel 21 along the vertical direction. The detection control mechanism 5 is used for detecting whether the surface of the grinding wheel 21 is abraded, and if the abrasion of the grinding wheel 21 is detected, the detection control mechanism 5 simultaneously controls the lifting mechanism 4 and the repairing mechanism 3 to work so that the repairing mechanism 3 polishes the surface of the grinding wheel 21.
Referring to fig. 2, the support 1 is a rectangular support body, and the grinding mechanism 2 is arranged at the bottom of the support 1. The grinding mechanism 2 comprises a grinding shaft 22 which is rotatably connected to the bracket 1, the axial direction of the grinding shaft 22 is arranged along the length direction of the bracket 1, and the grinding shaft 22 penetrates through two ends of the bracket 1. The grinding mechanism 2 further comprises a rotating motor 23 for driving the grinding shaft 22 to rotate, the rotating motor 23 is fixed on the support 1, and the output end of the rotating motor 23 is coaxially and fixedly connected with one end of the grinding shaft 22. The grinding wheel 21 is coaxially and fixedly connected to one end of the grinding shaft 22, which is far away from the rotating motor 23.
The repair mechanism 3 includes a repair wheel 31, a repair shaft 32, and a repair motor 33. The repair wheel 31 is coaxially and fixedly connected to one end of the repair shaft 32, and the repair wheel 31 is located directly above the grinding wheel 21. The repair motor 33 is used for driving the repair shaft 32 and the repair wheel 31 to rotate.
The elevating mechanism 4 includes an elevating motor 41, a lead screw 42, a supporting block 43 and a guide assembly 44. Lift motor 41 fixed connection is in support 1 top to lift motor 41 output sets up vertically downwards. One end of a screw rod 42 is coaxially and fixedly connected with the output end of the lifting motor 41, one end of the screw rod 42, which is far away from the lifting motor 41, is rotatably connected with the bracket 1, and the screw rod 42 is positioned above the repair shaft 32.
The supporting block 43 is a rectangular block, the supporting block 43 is connected to the outer side wall of the screw rod 42 in a threaded manner, the length direction of the supporting block 43 is arranged along the length direction of the bracket 1, and the supporting block 43 penetrates through two ends of the length direction of the bracket 1. The repairing motor 33 is fixedly connected to one end of the supporting block 43, which is far away from the repairing wheel 31 in the length direction, and the output end of the repairing motor 33 is arranged towards the supporting block 43. A transmission assembly 34 is arranged between the output end of the repairing motor 33 and the repairing shaft 32, and the repairing motor 33 drives the repairing shaft 32 to rotate through the transmission assembly 34. The transmission assembly 34 includes a driving wheel 341 coaxially and fixedly connected with the output end of the repairing motor 33, and a driven wheel 342 coaxially and fixedly connected with the repairing shaft 32, and a transmission belt 343 is sleeved and tensioned between the driving wheel 341 and the driven wheel 342.
The guide assembly 44 is disposed at an end of the supporting block 43 away from the repairing motor 33, the guide assembly 44 includes a connecting plate 441 fixedly connected to the supporting block 43, and the connecting plate 441 is a rectangular plate with a length direction arranged along a vertical direction. The guide assembly 44 further includes two guide rails 442 fixed to the bracket 1, and the two guide rails 442 are respectively located at two ends of the support block 43 in the width direction and at one end of the bracket 1 facing the connecting plate 441 in the length direction. The guide rail 442 is provided along the axial direction of the lead screw 42.
Two guide clips 443 are fixedly connected to both ends of the connecting plate 441 in the width direction, and the two guide clips 443 corresponding to one end are arranged at intervals in the vertical direction. Two guide clips 443 on the same end of the connecting plate 441 are slidably connected with the guide rails 442 at corresponding positions.
The lifting mechanism 4 is connected with the repairing mechanism 3 through a connecting assembly 6, the connecting assembly 6 comprises a connecting rod 61 fixedly connected with the connecting plate 441, and the connecting rod 61 is arranged along the vertical direction. One end of the connecting rod 61, which is far away from the connecting plate 441, is fixedly connected with a connecting sleeve 62, the axis direction of the connecting sleeve 62 is arranged along the length direction of the bracket 1, and the repairing shaft 32 is rotatably connected in the connecting sleeve 62. The support 1 is provided with a yielding groove 11 corresponding to the connecting sleeve 62, and the connecting sleeve 62 can reciprocate in the yielding groove 11 along the vertical direction.
The lifting motor 41 is started, the lifting motor 41 drives the screw rod 42 to rotate, the supporting block 43 is in threaded connection with the screw rod 42, and under the guiding of the guiding component 44, the supporting block 43 drives the repairing mechanism 3 to reciprocate along the vertical direction, so that the repairing wheel 31 is driven to be close to or far away from the grinding wheel 21. And the repair motor 33 and the repair shaft 32 are respectively located at both ends of the supporting block 43, which effectively ensures the stability of the lifting mechanism 4.
Referring to fig. 1 and 2, the detection control mechanism 5 includes a rodless cylinder 51, an infrared distance measuring sensor 52, and a controller 53. The infrared distance measuring sensor 52 is configured to detect a distance between the end surface of the grinding wheel 21 and the infrared distance measuring sensor 52, determine whether the grinding wheel 21 is worn according to the detected distance, and send an electrical signal indicating whether the grinding wheel 21 is worn to the controller 53. The controller 53 is used for receiving the electric signal sent by the infrared distance measuring sensor 52 and controlling the lifting mechanism 4 and the repairing mechanism 3 to polish and repair the grinding wheel 21 according to the electric signal indication. Rodless cylinder 51 is used for driving infrared distance measuring sensor 52 along emery wheel 21's radial direction reciprocating motion, is convenient for detect the emery wheel 21 of different diameters size to can detect the prosthetic emery wheel 21 of polishing many times, improved application scope greatly.
The rodless cylinder 51 is fixed to an end of the holder 1 facing the grinding wheel 21, a track direction of the rodless cylinder 51 is arranged along a width direction of the holder 1, and the track direction of the rodless cylinder 51 is arranged parallel to one diameter direction of the grinding wheel 21. The infrared distance measuring sensor 52 is mounted on the moving body of the rodless cylinder 51, and the output end of the infrared distance measuring sensor 52 is arranged to be directed perpendicularly to the end face of the grinding wheel 21. The controller 53 is installed on the bracket 1, the infrared distance measuring sensor 52 is connected with the input end of the controller 53 through an electric signal, and the output end of the controller 53 is respectively electrically connected with the repairing motor 33 and the lifting motor 41.
When the abrasion of the grinding wheel 21 is detected, the initial position of the infrared distance measuring sensor 52 is determined by adjusting the initial position of the moving body on the rodless cylinder 51, and the absolute distance from the initial position of the output end of the infrared distance measuring sensor 52 to the peripheral side of the grinding wheel 21 is within the range of the normal abrasion value of the grinding wheel 21, which can be determined by a person skilled in the art. When the abrasion value of the grinding wheel 21 is within the normal abrasion value range, the distance detected by the infrared distance measuring sensor 52 is an initial distance; when the abrasion value of the grinding wheel 21 exceeds the normal abrasion value range, the distance detected by the infrared distance measuring sensor 52 is greater than the initial distance, at this moment, the infrared distance measuring sensor 52 sends an electric signal of abrasion of the grinding wheel 21 to the controller 53, and the controller 53 controls the lifting mechanism 4 and the repair mechanism 3 to work simultaneously after receiving the electric signal of abrasion of the grinding wheel 21, so that the grinding wheel 21 is repaired. And when the grinding wheel 21 is in a working or stopping state, the repairing wheel 31 can repair the grinding wheel 21, so that the application range is further improved.
The receding groove 11 is internally provided with a slag trap 12, the slag trap 12 is a rectangular plate, a circular hole is formed in the middle of the slag trap 12, and the connecting sleeve 62 penetrates through the circular hole to be fixedly connected with the slag trap 12. The support 1 is provided with a sliding groove 13 corresponding to the yielding groove 11, the slag trap 12 is connected in the sliding groove 13 in a sliding manner, and the slag trap 12 can reciprocate along with the connecting sleeve 62 in the sliding groove 13 along the vertical direction. The slag trap 12 not only has the function of blocking polishing debris from entering the support 1, but also has the function of guiding the connecting sleeve 62, and further improves the stability of the repairing wheel 31 in the moving process.
Referring to fig. 3, a plurality of groups of buffer support assemblies 7 are arranged at the bottom of the sliding groove 13, each group of buffer support assemblies 7 comprises a fixed cylinder 71 fixedly connected with the support 1, the fixed cylinder 71 is a circular cylinder with an opening at the top, a sliding cylinder 72 is coaxially sleeved at the top of the fixed cylinder 71, and the sliding cylinder 72 is connected with the fixed cylinder 71 in a sliding manner; the fixed cylinder 71 and the sliding cylinder 72 are provided with a buffer spring 73 in a penetrating way, and two ends of the buffer spring 73 are respectively fixedly connected with the fixed cylinder 71 and the sliding cylinder 72. In the process that the slag trap 12 reciprocates along the vertical direction, under the action of the buffer spring 73, the top of the sliding barrel 72 is always pressed against the bottom of the slag trap 12, so that the stability of the slag trap 12 in the moving process is further improved, and the stability of the repairing wheel 31 is greatly improved.
The implementation principle of the above embodiment is as follows:
the rotating motor 23 is turned on to work the grinding wheel 21, the detection control mechanism 5 detects the end face of the grinding wheel 21 in the working process of the grinding wheel 21, if the abrasion degree of the grinding wheel 21 exceeds the abrasion degree within the allowable range, the distance detected by the infrared distance measuring sensor 52 is greater than the initial distance, then the infrared distance measuring sensor 52 sends an electric signal to the controller 53, and the controller 53 controls the lifting mechanism 4 and the repairing mechanism 3 to work simultaneously, so that the grinding wheel 21 is repaired. Effectively guarantee the precision of polishing of emery wheel 21, improved emery wheel 21's efficiency of polishing greatly.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an aeroengine She Sun blade grinding machine's emery wheel automatic trimming mechanism which characterized in that: the device comprises a bracket (1), a grinding mechanism (2), a repairing mechanism (3), a lifting mechanism (4) and a detection control mechanism (5), wherein the grinding mechanism, the repairing mechanism, the lifting mechanism and the detection control mechanism are arranged on the bracket (1);
the grinding mechanism (2) comprises a grinding wheel (21) for grinding the blade tenon structure;
the repairing mechanism (3) is used for grinding and repairing the grinding wheel (21), and the lifting mechanism (4) is used for driving the repairing mechanism (3) to be far away from or close to the grinding wheel (21);
the detection control mechanism (5) is electrically connected with the repair mechanism (3) and the lifting mechanism (4);
the detection control mechanism (5) is used for detecting whether the grinding wheel (21) is abraded, and if the grinding wheel (21) is abraded, the detection control mechanism (5) controls the lifting mechanism (4) to drive the repairing mechanism (3) to be close to the grinding wheel (21) so as to polish and repair the grinding wheel (21);
the detection control mechanism (5) comprises an infrared distance measuring sensor (52) and a controller (53) which are arranged on the bracket (1);
the infrared distance measuring sensor (52) is in electric signal connection with the input end of the controller (53), and the output end of the controller (53) is respectively and electrically connected with the repairing mechanism (3) and the lifting mechanism (4);
the infrared distance measuring sensor (52) is used for detecting the distance between the infrared distance measuring sensor (52) and the end face of the grinding wheel (21), if the distance is larger than the initial set distance between the grinding wheel (21) and the infrared distance measuring sensor (52), the infrared distance measuring sensor (52) sends an electric signal of abrasion of the grinding wheel (21) to the controller (53), and the controller (53) controls the lifting mechanism (4) and the repairing mechanism (3) to polish and repair the grinding wheel (21) according to the electric signal;
the detection control mechanism (5) further comprises a rodless cylinder (51) which drives the infrared distance measuring sensor (52) to reciprocate along the radial direction of the grinding wheel (21).
2. The automatic grinding wheel dressing mechanism of an aeroengine She Sun blade grinding machine tool as claimed in claim 1, wherein: the repairing mechanism (3) comprises a repairing wheel (31), a repairing shaft (32) and a repairing motor (33); the repairing shaft (32) is rotatably connected with the bracket (1), and the axis direction of the repairing shaft is parallel to the axis direction of the grinding wheel (21);
the repairing wheel (31) is coaxially and fixedly connected with the repairing shaft (32), and the repairing wheel (31) is positioned right above the grinding wheel (21);
the repairing motor (33) is used for driving the repairing shaft (32) to rotate, and the repairing motor (33) is electrically connected with the controller (53).
3. The automatic grinding wheel dressing mechanism of the aeroengine She Sun blade grinding machine tool as claimed in claim 2, wherein: the lifting mechanism (4) comprises a lifting motor (41), a screw rod (42), a supporting block (43) and a guide component (44);
the lifting motor (41) is fixed at the top of the bracket (1), the output end of the lifting motor (41) is vertically arranged downwards, and the lifting motor (41) is electrically connected with the controller (53);
the lead screw (42) is coaxially and fixedly connected with the output end of the lifting motor (41), and one end of the lead screw (42) departing from the lifting motor (41) is rotatably connected with the bracket (1);
the supporting block (43) is in threaded connection with the screw rod (42), and the guide assembly (44) is used for guiding the supporting block (43) to reciprocate along the axial direction of the screw rod (42);
the repairing motor (33) is fixed on the supporting block (43), a connecting component (6) is arranged at one end, away from the repairing motor (33), of the supporting block (43), and the repairing shaft (32) is rotatably connected with the supporting block (43) through the connecting component (6);
a transmission assembly (34) is arranged between the output end of the repair motor (33) and the repair shaft (32), and the repair motor (33) drives the repair shaft (32) to rotate through the transmission assembly (34).
4. The automatic grinding wheel dressing mechanism of the She Sun blade grinding machine of the aircraft engine as claimed in claim 3, wherein: the connecting assembly (6) comprises a connecting rod (61) fixedly connected with the supporting block (43), and the connecting rod (61) is arranged along the vertical direction;
one end, away from the supporting block (43), of the connecting rod (61) is fixedly connected with a connecting sleeve (62), and the connecting sleeve (62) is located at the bottom of one end, away from the lifting motor (41), of the screw rod (42); the repair shaft (32) is rotatably connected to the inside of the connecting sleeve (62).
5. The automatic grinding wheel dressing mechanism of the aeroengine She Sun blade grinding machine tool as claimed in claim 3, wherein: the transmission assembly (34) comprises a driving wheel (341) coaxially and fixedly connected with the output end of the repair motor (33), a driven wheel (342) coaxially and fixedly connected with the repair shaft (32), and a transmission belt (343) which is sleeved and tensioned between the driving wheel (341) and the driven wheel (342).
6. The automatic grinding wheel dressing mechanism of the aeroengine She Sun blade grinding machine tool as claimed in claim 4, wherein: the grinding wheel (21) is positioned outside the support (1), and the support (1) is provided with a yielding groove (11) for the connection sleeve (62) to penetrate through;
the device is characterized in that a slag blocking plate (12) is connected to the inside of the abdicating groove (11) in a sliding mode, the slag blocking plate (12) is fixed on the connecting sleeve (62), the connecting sleeve (62) can drive the slag blocking plate (12) to move in a reciprocating mode in the vertical direction, and the slag blocking plate (12) moves to always shield the abdicating groove (11).
7. The automatic grinding wheel dressing mechanism of the aeroengine She Sun blade grinding machine tool as claimed in claim 6, wherein: and a buffer supporting component (7) is arranged between the slag trap (12) and the bracket (1).
8. The automatic grinding wheel dressing mechanism of an aeroengine She Sun blade grinding machine tool as claimed in claim 7, wherein: the buffer support assembly (7) comprises a fixed cylinder (71) fixedly connected with the bracket (1), and one end, facing the slag trap (12), of the fixed cylinder (71) is connected with a sliding cylinder (72) in a sliding manner; a buffer spring (73) is fixedly connected between the fixed cylinder (71) and the sliding cylinder (72); under the action of the buffer spring (73), the sliding barrel (72) is always pressed against the slag blocking plate (12).
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| CN202210273125.6A CN114454042B (en) | 2022-03-19 | 2022-03-19 | Automatic grinding wheel dressing mechanism of aeroengine She Sun blade grinding machine tool |
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| CN202210273125.6A CN114454042B (en) | 2022-03-19 | 2022-03-19 | Automatic grinding wheel dressing mechanism of aeroengine She Sun blade grinding machine tool |
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| CN114454042B true CN114454042B (en) | 2022-11-18 |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4295301A (en) * | 1979-11-08 | 1981-10-20 | Trw Inc. | Dressing apparatus with means for detecting grinding wheel wear |
| EP0255267A2 (en) * | 1986-08-01 | 1988-02-03 | Unicorn Industries Plc | Improvements in or relating to the dressing of grinding wheels |
| JPH06238561A (en) * | 1993-02-12 | 1994-08-30 | Hitachi Seiko Ltd | Determination of dressing timing for grinding wheel |
| JP2006142454A (en) * | 2004-11-24 | 2006-06-08 | Okamoto Machine Tool Works Ltd | Grinding wheel forming device for surface grinding machine and dressing method for grinding wheel using the same |
| CN101200046A (en) * | 2006-12-13 | 2008-06-18 | 顾关耀 | Numerical control automatic tooth profile strength forming grinder |
| KR20110048371A (en) * | 2009-11-02 | 2011-05-11 | (주)테스 | Creep-feed grinder |
| CN202174501U (en) * | 2011-07-29 | 2012-03-28 | 台州瓦尔特工具制造有限公司 | Grinding wheel structure of tap grinding machine |
| CN103659480A (en) * | 2013-12-04 | 2014-03-26 | 江门市江海区杰能机电科技有限公司 | Gear grinding machine |
| CN105234820A (en) * | 2015-08-24 | 2016-01-13 | 哈尔滨工业大学 | Non-contact online detection method for circular degree error and abrasion loss of metal based abrasion wheel and device for achieving method |
| CN207379858U (en) * | 2017-09-28 | 2018-05-18 | 贵州福斯特磨料磨具有限公司 | A kind of abrasion of grinding wheel detection device |
| CN108406539A (en) * | 2018-04-27 | 2018-08-17 | 苏州富强科技有限公司 | Lower groove grinding device in a kind of automatic loading/unloading formula |
| CN208034428U (en) * | 2018-03-26 | 2018-11-02 | 菊龙（天津）磨具有限公司 | Arc diamond wheel modifies regulating device |
| CN110587402A (en) * | 2019-09-03 | 2019-12-20 | 南通大学 | Method and device for detecting and trimming end face grinding wheel quality in real time |
| CN210307337U (en) * | 2020-01-11 | 2020-04-14 | 大连金华齿轮箱制造有限公司 | Gear grinding wheel dressing device |
| CN112372379A (en) * | 2020-11-12 | 2021-02-19 | 中国航发南方工业有限公司 | Grinding method for complex curved surface type blade tip for aero-engine |
| CN215147801U (en) * | 2020-12-31 | 2021-12-14 | 青岛铂锐迪精密机械有限公司 | Burnishing device is used in mould processing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06155267A (en) * | 1992-11-19 | 1994-06-03 | Nkk Corp | Grinder device |
| JP3751997B2 (en) * | 1995-07-12 | 2006-03-08 | 株式会社デンソー | Grinding apparatus and grinding wheel forming method |
| EP3061565B1 (en) * | 2015-02-24 | 2020-11-25 | OFFICINA MECCANICA DOMASO S.p.A. | Adjusting device for a grinding machine |
| CN215748610U (en) * | 2021-07-14 | 2022-02-08 | 绍兴美力精密弹簧有限公司 | Numerical control spring grinding machine capable of adaptively adjusting clearance of grinding wheel |
-
2022
- 2022-03-19 CN CN202210273125.6A patent/CN114454042B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4295301A (en) * | 1979-11-08 | 1981-10-20 | Trw Inc. | Dressing apparatus with means for detecting grinding wheel wear |
| EP0255267A2 (en) * | 1986-08-01 | 1988-02-03 | Unicorn Industries Plc | Improvements in or relating to the dressing of grinding wheels |
| JPH06238561A (en) * | 1993-02-12 | 1994-08-30 | Hitachi Seiko Ltd | Determination of dressing timing for grinding wheel |
| JP2006142454A (en) * | 2004-11-24 | 2006-06-08 | Okamoto Machine Tool Works Ltd | Grinding wheel forming device for surface grinding machine and dressing method for grinding wheel using the same |
| CN101200046A (en) * | 2006-12-13 | 2008-06-18 | 顾关耀 | Numerical control automatic tooth profile strength forming grinder |
| KR20110048371A (en) * | 2009-11-02 | 2011-05-11 | (주)테스 | Creep-feed grinder |
| CN202174501U (en) * | 2011-07-29 | 2012-03-28 | 台州瓦尔特工具制造有限公司 | Grinding wheel structure of tap grinding machine |
| CN103659480A (en) * | 2013-12-04 | 2014-03-26 | 江门市江海区杰能机电科技有限公司 | Gear grinding machine |
| CN105234820A (en) * | 2015-08-24 | 2016-01-13 | 哈尔滨工业大学 | Non-contact online detection method for circular degree error and abrasion loss of metal based abrasion wheel and device for achieving method |
| CN207379858U (en) * | 2017-09-28 | 2018-05-18 | 贵州福斯特磨料磨具有限公司 | A kind of abrasion of grinding wheel detection device |
| CN208034428U (en) * | 2018-03-26 | 2018-11-02 | 菊龙（天津）磨具有限公司 | Arc diamond wheel modifies regulating device |
| CN108406539A (en) * | 2018-04-27 | 2018-08-17 | 苏州富强科技有限公司 | Lower groove grinding device in a kind of automatic loading/unloading formula |
| CN110587402A (en) * | 2019-09-03 | 2019-12-20 | 南通大学 | Method and device for detecting and trimming end face grinding wheel quality in real time |
| CN210307337U (en) * | 2020-01-11 | 2020-04-14 | 大连金华齿轮箱制造有限公司 | Gear grinding wheel dressing device |
| CN112372379A (en) * | 2020-11-12 | 2021-02-19 | 中国航发南方工业有限公司 | Grinding method for complex curved surface type blade tip for aero-engine |
| CN215147801U (en) * | 2020-12-31 | 2021-12-14 | 青岛铂锐迪精密机械有限公司 | Burnishing device is used in mould processing |
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| CN114454042A (en) | 2022-05-10 |
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