CN110756624A - Wheel rim deformation correction device and method - Google Patents
Wheel rim deformation correction device and method Download PDFInfo
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- CN110756624A CN110756624A CN201911072987.7A CN201911072987A CN110756624A CN 110756624 A CN110756624 A CN 110756624A CN 201911072987 A CN201911072987 A CN 201911072987A CN 110756624 A CN110756624 A CN 110756624A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/14—Recontouring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
Abstract
The invention belongs to the technical field of automobile wheel manufacturing, and particularly relates to a wheel rim deformation correction device and a wheel rim deformation correction method.
Description
Technical Field
The application relates to the technical field of automobile wheel manufacturing, in particular to a wheel rim deformation correction device and method.
Background
The machining blank of the aluminum wheel is obtained through the working procedures of smelting, casting, heat treatment and the like, the rim part of the actual machining blank is deformed, and the deformation of the part close to the inner rim is particularly serious, so that the problems of deviation, incapability of machining, uneven machining amount, serious abrasion of a blade and the like exist at the part in the machining process, the yield and the machining quality of the aluminum wheel are reduced, and the manufacturing cost is increased.
Disclosure of Invention
The embodiment of the application provides a wheel rim deformation correction device and method, which can detect a wheel blank rim, find a maximum deformation point, mechanically correct the maximum deformation point, improve the roundness of the wheel blank rim, further improve the rate of finished products of wheels and the processing quality, and reduce the processing cost.
In order to achieve the above object, the present invention provides the following technical solutions.
The wheel rim deformation correction device comprises a rotary fixing assembly, a deformation detection assembly, a correction assembly and a control unit, wherein the rotary fixing assembly comprises a motor, a motor driving unit, a transmission shaft, a mounting seat, a positioning disc and a pressing claw, one end of the transmission shaft is connected with an output shaft of the motor, and the other end of the transmission shaft is connected with the mounting seat; the motor driving unit is used for driving the motor to rotate, and the motor can drive the mounting seat to rotate through the transmission shaft; a positioning disc is fixedly arranged on the mounting seat and used for placing an outer rim of the wheel blank; the pressing claw is detachably fixed on the mounting seat, and the pressing claw is matched with the positioning disc to tightly press and fix the wheel blank; the deformation detection assembly is arranged on the outer side of the rim of the wheel blank and used for collecting outer rim detection data of the wheel blank; the control unit is in signal connection with the motor driving unit and the deformation detection assembly, can receive the outer rim detection data from the deformation detection assembly, compares the outer rim detection data with stored outer rim normal data to obtain an outer rim deformation high point, and sends a control signal to the motor driving unit, and drives the motor to rotate so that the outer rim deformation high point is over against the force application position of the correction assembly; the correcting component comprises a force application component which can apply force to the deformation high point of the outer rim to correct the deformation of the rim.
In some embodiments, the outer sleeve of the transmission shaft is provided with a mounting sleeve, the top of the mounting sleeve is provided with an annular part, the lower part of the mounting sleeve is provided with a cylindrical part, a bearing is arranged between the cylindrical part and the transmission shaft, a bearing is arranged between the annular part and the mounting seat, and the mounting sleeve is fixed on the frame.
In some embodiments, the deformation detection assembly comprises a laser displacement sensor, a linear module and a module mounting seat, the laser displacement sensor is in signal connection with the control unit, the laser displacement sensor is mounted on a sliding part of the linear module, and the linear module is vertically fixed on the module mounting seat; the rotating fixing component drives the wheel blank to rotate, and the laser displacement sensor can vertically move up and down along with the sliding component of the linear module, so that the outer rim detection data of the wheel blank are collected.
In some embodiments, the correcting assembly further comprises a correcting plate, wherein an annular first groove is formed in the bottom surface of the correcting plate, the first groove is matched with the inner rim of the wheel blank, and the force application part applies force to a position, corresponding to the outer rim deformation high point, on the correcting plate.
In some embodiments, the force application component comprises a force application bolt, a support and a support mounting seat, the support mounting seat is fixed on the machine frame, the support is detachably fixed on the support mounting seat, and the force application bolt is detachably fixed in a threaded hole in the support through threads; the correcting assembly further comprises a correcting plate, a pressure sensor and a sensor mounting seat, wherein an annular first groove is formed in the bottom surface of the correcting plate, and the first groove is matched with the inner rim of the wheel blank; the force application bolt passes through a threaded hole in the support and is detachably fixed on the pressure sensor, the pressure sensor is fixedly arranged on the sensor mounting seat, a second groove is formed in the side face of the sensor mounting seat, and the correction plate is arranged in the second groove; and the force application bolt is rotated to apply pressure to the pressure sensor, the pressure sensor applies pressure to the sensor mounting seat, and the sensor mounting seat applies force to a position, corresponding to the outer rim deformation high point, on the correction plate.
In some embodiments, the support mounting seat is further provided with an adjusting cushion block, the adjusting cushion block and the support are sequentially mounted on the support mounting seat, and the mounting height of the support can be changed by replacing the adjusting cushion block.
In some embodiments, the force application parts are multiple and arranged on the same side of the bracket.
In some embodiments, the correcting assembly further comprises a correcting plate, a pressure sensor and a top block, wherein an annular first groove is formed in the bottom surface of the correcting plate, the first groove is matched with the inner rim of the wheel blank, one side of the pressure sensor is installed on the output end of the force application part, the other side of the pressure sensor is fixedly installed on the top block, and the pressure sensor is in signal connection with the control unit; the force application component applies pressure to the pressure sensor, the pressure sensor applies pressure to the ejector block, and the ejector block applies force to a position, corresponding to the outer rim deformation high point, on the correction plate.
In some embodiments, the force application component can be an electric cylinder, a hydraulic cylinder or an air cylinder, and the control unit is in signal connection with the force application driving unit of the force application component.
In some embodiments, a pin mount is fixedly provided on the bracket, and the pin passes through the pin mount and presses the upper surface of the correction plate.
In a second aspect, an embodiment of the present application provides a wheel rim deformation correction method applied to the wheel rim deformation correction device described in any one of the above embodiments, characterized by including the steps of:
placing the wheel blank in a heating furnace for heating and preserving heat; placing a wheel blank with a certain temperature on a positioning disc of a rotary fixing assembly and pressing and fixing the wheel blank through a pressing claw; starting the motor to drive the wheel blank to rotate at a certain rotating speed, and acquiring outer rim detection data of the wheel blank by the deformation detection assembly; the control unit receives the outer rim detection data from the deformation detection component, compares the outer rim detection data with stored outer rim normal data to obtain an outer rim deformation high point, and sends a control signal to the motor driving unit, and the driving unit drives the motor to rotate to a specified angle so that the outer rim deformation high point is over against the force application position of the correction component; the force application component of the correction assembly applies force to the outer rim deformation high point and unloads after a period of time, and the deformation of the rim is corrected.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a wheel rim deformation correction device and a method, wherein a wheel blank is fixed by a rotary fixing component and driven to rotate, a deformation detection component is used for detecting detection data of an outer rim, a control unit finds out a maximum deformation point according to the detection data of the outer rim, and the maximum deformation point is mechanically corrected, so that the roundness of the wheel blank rim is improved, the yield and the processing quality of a wheel are further improved, and the processing cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a wheel rim deformation correction device in embodiment 1 of the present application.
Fig. 2 is a left side view of a wheel rim deformation correcting device in embodiment 1 of the present application.
Fig. 3 is a plan view of a wheel rim deformation correcting device in embodiment 1 of the present application.
Fig. 4 is a schematic structural view of a wheel rim deformation correction device in embodiment 2 of the present application.
Wherein: the device comprises a frame 1, a motor 2, a mounting sleeve 3, a deep groove ball bearing 4, a transmission shaft 5, a thrust ball bearing 6, a mounting seat 7, a positioning disc 8, a pressing claw 9, a wheel blank 10, a support mounting seat 11, an adjusting cushion block 12, a force application bolt 13, a support 14, a pressure sensor 15, a sensor mounting seat 16, a pin mounting seat 17, a correction plate 18, a pin 19, a laser sensor 20, a linear module 21, a module mounting seat 22, a top block 23, a cylinder 24 and a cylinder support 25.
Detailed Description
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The embodiment of the invention provides a wheel rim deformation correcting device which comprises a rotary fixing component, a deformation detection component, a correcting component and a control unit, wherein the rotary fixing component comprises a motor, a motor driving unit, a transmission shaft, a mounting seat, a positioning disc and a pressing claw, one end of the transmission shaft is connected with an output shaft of the motor, and the other end of the transmission shaft is connected with the mounting seat; the motor driving unit is used for driving the motor to rotate, and the motor can drive the mounting seat to rotate through the transmission shaft; a positioning disc is fixedly arranged on the mounting seat and used for placing an outer rim of the wheel blank; the pressing claw is detachably fixed on the mounting seat, and the pressing claw is matched with the positioning disc to tightly press and fix the wheel blank; the deformation detection assembly is arranged on the outer side of the rim of the wheel blank and used for collecting outer rim detection data of the wheel blank; the control unit is in signal connection with the motor driving unit and the deformation detection assembly, can receive the outer rim detection data from the deformation detection assembly, compares the outer rim detection data with stored outer rim normal data to obtain an outer rim deformation high point, and sends a control signal to the motor driving unit, and drives the motor to rotate so that the outer rim deformation high point is over against the force application position of the correction assembly; the correcting component comprises a force application component which can apply force to the deformation high point of the outer rim to correct the deformation of the rim. In the embodiment, the wheel blank is fixed by the rotary fixing component and is driven to rotate, the deformation detection component is used for detecting detection data of the outer rim, the control unit finds the maximum deformation point according to the detection data of the outer rim, and the correction component performs mechanical correction on the maximum deformation point, so that the roundness of the wheel blank rim is improved, the yield and the processing quality of the wheel are further improved, and the processing cost is reduced.
In order to ensure that the device bears the weight of stability after applying wheel blank and rotation, keep the stable rotation of transmission shaft, guarantee the firm of rotatory fixed subassembly, in an embodiment of this application, the outside cover of transmission shaft is equipped with the installation cover, and the top of installation cover is ring portion, and the lower part is cylindric portion, be provided with the bearing between cylindric portion and the transmission shaft, be provided with the bearing between ring portion and the mount pad, the installation cover is fixed in the frame. The arrangement of the mounting sleeve and the bearing in the embodiment enables the structure of the whole rotation fixing component to be firmer and the rotation to be more stable.
In one embodiment of the present application, the deformation detection assembly includes a laser displacement sensor, a linear module, and a module mounting seat, the laser displacement sensor is in signal connection with the control unit, the laser displacement sensor is mounted on a sliding component of the linear module, and the linear module is vertically fixed on the module mounting seat; the rotating fixing component drives the wheel blank to rotate, and the laser displacement sensor can vertically move up and down along with the sliding component of the linear module, so that the outer rim detection data of the wheel blank are collected. Utilize laser displacement sensor and linear module to design a deformation detection subassembly in this application, linear module can drive laser displacement sensor and vertically reciprocate to outer rim to the wheel blank carries out comprehensive scanning and draws the detection data, and whole device has simple structure, easily operation, can adapt to the wheel type of different rim structures.
In order to apply force to the high deformation position of the rim in a balanced manner in the deformation correcting process and reduce the error of correction caused by the application of force, in one embodiment of the application, the correcting assembly further comprises a correcting plate, an annular first groove is formed in the bottom surface of the correcting plate, the first groove is matched with the inner rim of the wheel blank, and the force applying component applies force to the position, corresponding to the high deformation position of the outer rim, on the correcting plate. The bottom surface of correction board in this embodiment is provided with the first recess with wheel blank inner rim complex, guarantees the deformation eminence of the balanced effect of application of force ability at the rim, and it is effectual to rectify the deformation, and safe and reliable.
In one embodiment of the application, the force application part comprises a force application bolt, a support and a support mounting seat, the support mounting seat is fixed on the machine frame, the support is detachably fixed on the support mounting seat, and the force application bolt is detachably fixed in a threaded hole in the support through threads; the correcting assembly further comprises a correcting plate, a pressure sensor and a sensor mounting seat, wherein an annular first groove is formed in the bottom surface of the correcting plate, and the first groove is matched with the inner rim of the wheel blank; the force application bolt passes through a threaded hole in the support and is detachably fixed on the pressure sensor, the pressure sensor is fixedly arranged on the sensor mounting seat, a second groove is formed in the side face of the sensor mounting seat, and the correction plate is arranged in the second groove; and the force application bolt is rotated to apply pressure to the pressure sensor, the pressure sensor applies pressure to the sensor mounting seat, and the sensor mounting seat applies force to a position, corresponding to the outer rim deformation high point, on the correction plate. In the embodiment, the correction force is applied in a manual adjustment mode, so that the structure is simple and the operation is easy.
In order to adjust the height of the support to adapt to wheel blanks with different total wheel widths, in one embodiment of the application, an adjusting cushion block is further arranged on the support mounting seat, the adjusting cushion block and the support are sequentially mounted on the support mounting seat, and the mounting height of the support can be changed by replacing the adjusting cushion block. In the embodiment, the height is adjusted by adjusting the cushion block.
In order to uniformly apply force from a plurality of positions of the deformation high points, in one embodiment of the application, the force application parts are multiple and are arranged on the same side of the bracket. In the embodiment, a plurality of force application components are arranged to uniformly apply force to a plurality of positions of the deformed high points of the rim, so that the deformation correction effect of the rim is better.
In order to effectively control the magnitude of the applied force, improve the accuracy of the applied force and ensure the correction effect, in an embodiment of the application, the correction assembly further comprises a correction plate, a pressure sensor and a top block, wherein an annular first groove is formed in the bottom surface of the correction plate, the first groove is matched with the inner edge of the wheel blank, one side of the pressure sensor is installed on the output end of the force application part, the other side of the pressure sensor is fixedly provided with the top block, and the pressure sensor is in signal connection with the control unit; the force application component applies pressure to the pressure sensor, the pressure sensor applies pressure to the ejector block, and the ejector block applies force to a position, corresponding to the outer rim deformation high point, on the correction plate. In this embodiment, through set up the kicking block on pressure sensor, through the application of force part application of force of control unit control to the size of application of force can feed back control unit, easily operation, and degree of automation is high, and the size of rectifying the application of force simultaneously is controllable, guarantees the effect of rectifying.
In order to realize automatic application of the correction pressure, in some embodiments, the force application component can be an electric cylinder, a hydraulic cylinder or an air cylinder, and the control unit is in signal connection with a force application driving unit of the force application component. In the embodiment, the control unit controls the force application part to apply force, so that the operation is easy and the automation degree is high.
In order to prevent the correction plate from tilting and separating in the correction process, in some embodiments, a pin mounting seat is fixedly arranged on the bracket, and the pin penetrates through the pin mounting seat and presses the upper surface of the correction plate. The pin is pressed on the correction plate in the embodiment, so that the correction plate is prevented from being tilted and separated, and the correction effect is ensured.
In a second aspect, an embodiment of the present application provides a wheel rim deformation correction method applied to the wheel rim deformation correction device described in any one of the above embodiments, characterized by including the steps of: placing the wheel blank in a heating furnace for heating and preserving heat; placing a wheel blank with a certain temperature on a positioning disc of a rotary fixing assembly and pressing and fixing the wheel blank through a pressing claw; starting the motor to drive the wheel blank to rotate at a certain rotating speed, and acquiring outer rim detection data of the wheel blank by the deformation detection assembly; the control unit receives the outer rim detection data from the deformation detection component, compares the outer rim detection data with stored outer rim normal data to obtain an outer rim deformation high point, and sends a control signal to the motor driving unit, and the driving unit drives the motor to rotate to a specified angle so that the outer rim deformation high point is over against the force application position of the correction component; the force application component of the correction assembly applies force to the outer rim deformation high point and unloads after a period of time, and the deformation of the rim is corrected. In the embodiment, the correction method is applied, so that the deformation of the rim can be obviously corrected, the roundness of the rim of the wheel blank is improved, and the deformation is obviously improved.
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to fig. 1 to 4 in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example 1:
with reference to fig. 1 to 3 of the specification, embodiment 1 provides a wheel rim deformation correction device, which includes a frame 1, a rotation fixing assembly, a deformation detection assembly, a correction assembly, and a control unit.
The rotary fixing assembly comprises a motor 2, a motor driving unit, an installation sleeve 3, a deep groove ball bearing 4, a transmission shaft 5, a thrust ball bearing 6, an installation seat 7, a positioning disc 8 and a pressing claw 9, wherein one end of the transmission shaft 5 is connected with an output shaft of the motor 2, and the other end of the transmission shaft is connected with the installation seat 7; the motor driving unit is used for driving the motor 2 to rotate, and the motor 2 can drive the mounting seat 7 to rotate through the transmission shaft 6; a positioning disc 8 is fixedly arranged on the mounting seat 7, and the positioning disc 8 is used for placing an outer rim of a wheel blank 10; the pressing claw 9 is detachably fixed on the mounting base 7, and the pressing claw 9 is matched with the positioning disc 8 to tightly press and fix the wheel blank 10. The outside cover of transmission shaft 5 is equipped with installation cover 3, and the top of installation cover is ring portion, and the lower part is the cylindric portion, be provided with deep groove ball bearing 4 between cylindric portion and the transmission shaft 5, be provided with thrust ball bearing 6 between ring portion and the mount pad 7, installation cover 3 is fixed in frame 1.
The deformation detection assembly is arranged on the outer side of the rim of the wheel blank 10, and collects outer rim detection data of the wheel blank 10. The deformation detection assembly comprises a laser displacement sensor 20, a linear module 21 and a module mounting seat 22, the laser displacement sensor 20 is in signal connection with the control unit, the laser displacement sensor 20 is mounted on a sliding part of the linear module 21, and the linear module 21 is vertically fixed on the module mounting seat 22; the rotation fixing component drives the wheel blank 10 to rotate, and the laser displacement sensor 20 can vertically move up and down along with the sliding component of the linear module 21, so that the outer rim detection data of the wheel blank 10 are collected. The linear module is a linear transmission device commonly used in the field, and mainly comprises two modes, namely a ball screw and a linear guide rail, and a synchronous belt pulley. The linear module has wide application range, convenient installation and high precision, is accepted by vast users, and saves the specific link of manufacturing a mechanism for linear motion.
The correction assembly comprises a force application part, a correction plate 18, a pressure sensor 15, a sensor mounting seat 16, a pin mounting seat 17 and a pin 19. The force application components can apply force to the deformation high points of the outer rim to correct the deformation of the rim, and the force application components are multiple and arranged on the same side of the bracket. In this embodiment, the force application component includes a force application bolt 13, a support 14, a support mounting seat 11, and an adjustment cushion block 12, the support mounting seat 11 is fixed on the frame 1, the support 14 is detachably fixed on the support mounting seat 11, the support mounting seat 11 is further provided with the adjustment cushion block 12, the adjustment cushion block 12 and the support 14 are sequentially mounted on the support mounting seat 11, and the mounting height of the support can be changed by replacing the adjustment cushion block 12. In the present embodiment, the number of the urging members is 3, and the urging members are arranged side by side on the left upper cross member of the frame 1 of the wheel rim deformation correction apparatus. The force application bolt 13 is detachably fixed in a threaded hole in the support 14 through threads; the bottom surface of the correction plate 18 is provided with an annular first groove, and the first groove is matched with the inner rim of the wheel blank 10; the force application bolt 13 passes through a threaded hole in the support 14 and is detachably fixed on the pressure sensor 15, the pressure sensor 15 is fixedly installed on the sensor installation seat 16, a second groove is formed in the side face of the sensor installation seat 16, and the correction plate 18 is installed in the second groove; a pin mounting seat 17 is fixedly provided on the bracket 1, and a pin 19 passes through the pin mounting seat 17 and presses an upper surface of the correction plate 18. The force application bolt 13 is rotated to apply pressure to the pressure sensor 15, the pressure sensor 15 applies pressure to the sensor mounting seat 16, and the sensor mounting seat 16 applies force to a position on the correction plate 18 corresponding to the outer rim deformation high point.
The control unit is in signal connection with the motor driving unit and the laser displacement sensor 20 of the deformation detection component, the control unit can receive the outer rim detection data from the deformation detection component, compare the outer rim detection data with the stored outer rim normal data to obtain an outer rim deformation high point, send a control signal to the motor driving unit, drive the motor 2 to rotate, enable the outer rim deformation high point to face a force application position of the correction component, apply force to a position, corresponding to the outer rim deformation high point, on the correction plate 18 through the force application bolt 13, keep for a period of time, and unload the force, and the wheel rim deformation correction process is completed.
Referring to fig. 1-3, it can be seen that a mounting sleeve 3 is fixed on a frame 1 by a plurality of screws, a motor 2 is mounted on the mounting sleeve 3, a transmission shaft 5 is matched with the mounting sleeve 3 by a deep groove ball bearing 4, a mounting seat 7 is matched with the mounting sleeve 3 by a thrust ball bearing 6 and is in key connection with the transmission shaft 5, a positioning disc 8 is fixed on the mounting seat 7 by bolts, a wheel blank 10 is placed on the positioning disc 8 and is pressed by a pressing claw 9, a support mounting seat 11 is welded on the frame 1, an adjusting cushion block 12 and a support 14 are sequentially mounted on a support mounting seat 11, a correcting plate 18 is placed on the wheel blank 10, a sensor mounting seat 16 is in groove fit with the correcting plate 18, a pressure sensor 15 is mounted on a sensor mounting seat 16, a force application bolt 13 is respectively in threaded fit with the support 14 and the pressure sensor 15, a pin mounting seat 17 is welded on the frame 1, a pin 19 passes through the pin mounting, the module mount 22 is welded to the frame 1, the line module 21 is mounted to the module mount 22, and the laser sensor 20 is mounted to the line module 21.
In practical use, firstly, the wheel blank 10 is placed in a heating furnace to be heated and insulated, for example, the temperature can be raised to 350 ℃ and insulated for 10 min; placing a wheel blank 10 with a certain temperature on a positioning disc 8, ensuring that a valve hole is opposite to a pressure sensor 15, and pressing and fixing the wheel blank through a pressing claw 9; starting the motor 2 to drive the wheel blank 10 to rotate at a certain rotating speed, and dynamically acquiring outer rim deformation data of the wheel blank 10 in real time by the laser sensor 20; the control unit receives the outer rim deformation data from the deformation detection component, compares the outer rim deformation data with stored outer rim normal data to obtain an outer rim deformation high point, sends a control signal to the motor driving unit, and drives the motor 2 to rotate to a specified angle, so that the outer rim deformation high point is opposite to a force application position of the correction component, and the outer rim deformation high point of the wheel blank 10 is ensured to be opposite to the pressure sensor 15; the correcting plate 18 is placed on the wheel blank 10, the first groove at the lower part is matched with the inner rim of the wheel blank 10, the mounting pin 19 penetrates through the pin mounting seat 17 and presses the upper surface of the correcting plate 18 to prevent the correcting plate 18 from tilting and separating in the correcting process, force is applied to the position, corresponding to the outer rim deformation high point, on the correcting plate 18 through the force application bolt 13, so that force is applied to the outer rim deformation high point and is unloaded after being kept for a period of time, and the wheel rim deformation correcting process is completed. In a primary experiment, the wheel blank 11 is placed in a heating furnace, heated to 350 ℃ and kept warm for 10min, the loading force is 26KN, the wheel-shaped rim only has one high point, the deformation of the high point of the wheel-shaped rim of the blank before correction is 1.33mm, the deformation of the high point of the wheel-shaped rim of the blank after correction is 0.31mm, and the deformation is obviously improved.
Example 2:
example 2 differs from example 1 mainly in that: the force application member is different. In embodiment 1, the force application bolt can be manually rotated to apply force, in embodiment 2, the force application component can be an electric cylinder, a hydraulic cylinder or an air cylinder, and the control unit is in signal connection with the force application driving unit of the force application component and can automatically and controllably apply the correction force.
As shown in fig. 4, specifically in example 2: the force application component comprises an air cylinder 24, an air cylinder driving unit and an air cylinder support 25, the air cylinder 24 is fixed on the air cylinder support 25, the air cylinder support 25 is fixed on the support 1, and the control unit is in signal connection with the force application driving unit of the force application component, namely the control unit is in signal connection with the air cylinder driving unit of the air cylinder 24; the correcting component further comprises a correcting plate 18, a pressure sensor 15 and a top block 23, wherein an annular first groove is formed in the bottom surface of the correcting plate 18 and matched with the inner rim of the wheel blank 10, one side of the pressure sensor 15 is installed on the output end of an air cylinder 24, the other side of the pressure sensor 15 is fixedly provided with the top block 23, and the pressure sensor is in signal connection with the control unit; the air cylinder 24 applies pressure to the pressure sensor 15, the pressure sensor 15 applies pressure to the top block 23, and the top block 23 applies force to a position, corresponding to the outer rim deformation high point, on the correction plate.
A correction method of the wheel rim deformation correction device in embodiment 2 is: firstly, placing the wheel blank 10 in a heating furnace for heating and heat preservation, for example, heating to 300 ℃ and heat preservation for 10 min; placing a wheel blank 10 with a certain temperature on a positioning disc 8, ensuring that a valve hole is opposite to a pressure sensor 15, and pressing and fixing the wheel blank through a pressing claw 9; starting the motor 2 to drive the wheel blank 10 to rotate at a certain rotating speed, and dynamically acquiring outer rim deformation data of the wheel blank 10 in real time by the laser sensor 20; the control unit receives the outer rim deformation data from the deformation detection component, compares the outer rim deformation data with stored outer rim normal data to obtain an outer rim deformation high point, sends a control signal to the motor driving unit, the driving unit drives the motor 2 to rotate to a specified angle, the outer rim deformation high point is opposite to a force application position of the correction component, and the outer rim deformation high point of the wheel blank 10 is ensured to be opposite to the pressure sensor 15 and the ejector block 23; the correction plate 18 is placed on the wheel blank 10, the first groove at the lower part is matched with the inner rim of the wheel blank 10, the mounting pin 19 penetrates through the pin mounting seat 17 and presses the upper surface of the correction plate 18, the problems that the correction plate 18 is tilted and separated in the correction process and the like are prevented, the control unit automatically controls the piston rod of the air cylinder 24 to drive the pressure sensor 20 and the ejector block 23 to move towards the wheel blank, the ejector block 23 applies force to the position, corresponding to the outer rim deformation high point, on the correction plate 18, the pressure sensor 20 measures the magnitude of the applied force and feeds the magnitude of the applied force back to the control unit, so that the magnitude of the applied correction force is detected and controlled in real time, the force is applied to the outer rim deformation high point and is unloaded after being kept for a period of time. In a primary experiment, the wheel blank 11 is placed in a heating furnace, heated to 300 ℃ and kept warm for 10min, the loading force is 30KN, the wheel-shaped rim only has one high point, the deformation of the high point of the wheel-shaped rim of the blank before correction is 1.15mm, the deformation of the high point of the wheel-shaped rim of the blank after correction is 0.35mm, and the deformation is obviously improved.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (11)
1. A wheel rim deformation correcting device is characterized by comprising a rotary fixing component, a deformation detection component, a correcting component and a control unit,
the rotary fixing assembly comprises a motor, a motor driving unit, a transmission shaft, a mounting seat, a positioning disc and a pressing claw, wherein one end of the transmission shaft is connected with an output shaft of the motor, and the other end of the transmission shaft is connected with the mounting seat; the motor driving unit is used for driving the motor to rotate, and the motor can drive the mounting seat to rotate through the transmission shaft; a positioning disc is fixedly arranged on the mounting seat and used for placing an outer rim of the wheel blank; the pressing claw is detachably fixed on the mounting seat, and the pressing claw is matched with the positioning disc to tightly press and fix the wheel blank;
the deformation detection assembly is arranged on the outer side of the rim of the wheel blank and used for collecting outer rim detection data of the wheel blank;
the control unit is in signal connection with the motor driving unit and the deformation detection assembly, can receive the outer rim detection data from the deformation detection assembly, compares the outer rim detection data with stored outer rim normal data to obtain an outer rim deformation high point, and sends a control signal to the motor driving unit, and drives the motor to rotate so that the outer rim deformation high point is over against the force application position of the correction assembly;
the correcting component comprises a force application component which can apply force to the deformation high point of the outer rim to correct the deformation of the rim.
2. The apparatus as claimed in claim 1, wherein the drive shaft is externally fitted with a mounting sleeve, the mounting sleeve has a top portion having an annular portion and a lower portion having a cylindrical portion, a bearing is disposed between the cylindrical portion and the drive shaft, a bearing is disposed between the annular portion and the mounting seat, and the mounting sleeve is fixed to the frame.
3. The apparatus of claim 1, wherein the deformation detecting assembly comprises a laser displacement sensor, a linear module, and a module mounting seat, the laser displacement sensor is connected to the control unit via signals, the laser displacement sensor is mounted on a sliding component of the linear module, and the linear module is vertically fixed on the module mounting seat; the rotating fixing component drives the wheel blank to rotate, and the laser displacement sensor can vertically move up and down along with the sliding component of the linear module, so that the outer rim detection data of the wheel blank are collected.
4. The apparatus of claim 1 wherein the correction assembly further comprises a correction plate having a bottom surface defining a first annular groove, the first annular groove engaging the inner rim of the wheel blank, the force applying member applying a force to the correction plate at a location corresponding to the outer rim deformation height.
5. The apparatus of claim 1, wherein the force applying member comprises a force applying bolt, a support, and a support mounting seat, the support mounting seat is fixed on the frame, the support is detachably fixed on the support mounting seat, and the force applying bolt is detachably fixed in a threaded hole of the support through a thread; the correcting assembly further comprises a correcting plate, a pressure sensor and a sensor mounting seat, wherein an annular first groove is formed in the bottom surface of the correcting plate, and the first groove is matched with the inner rim of the wheel blank; the force application bolt passes through a threaded hole in the support and is detachably fixed on the pressure sensor, the pressure sensor is fixedly arranged on the sensor mounting seat, a second groove is formed in the side face of the sensor mounting seat, and the correction plate is arranged in the second groove; and the force application bolt is rotated to apply pressure to the pressure sensor, the pressure sensor applies pressure to the sensor mounting seat, and the sensor mounting seat applies force to a position, corresponding to the outer rim deformation high point, on the correction plate.
6. The apparatus of claim 5, wherein the seat mount is further provided with an adjustment pad, the adjustment pad and the seat are sequentially mounted on the seat mount, and the mounting height of the seat can be changed by replacing the adjustment pad.
7. The apparatus of claim 5 wherein the force applying members are provided in plural numbers and are disposed on the same side of the frame.
8. The apparatus as claimed in claim 1, wherein the correcting assembly further comprises a correcting plate, a pressure sensor, and a top block, wherein the bottom surface of the correcting plate is provided with a first annular groove, the first annular groove is engaged with the inner rim of the wheel blank, one side of the pressure sensor is mounted on the output end of the force applying component, the other side of the pressure sensor is fixedly mounted with the top block, and the pressure sensor is in signal connection with the control unit; the force application component applies pressure to the pressure sensor, the pressure sensor applies pressure to the ejector block, and the ejector block applies force to a position, corresponding to the outer rim deformation high point, on the correction plate.
9. The apparatus of claim 8, wherein the force applying member is an electric cylinder, a hydraulic cylinder or an air cylinder, and the control unit is in signal connection with the force applying driving unit of the force applying member.
10. The apparatus for correcting deformation of a wheel rim according to any one of claims 4 to 9, wherein a pin receiving seat is fixedly provided on the bracket, and the pin passes through the pin receiving seat and presses the upper surface of the correction plate.
11. A wheel rim deformation correction method applied to the wheel rim deformation correction apparatus described in any one of claims 1 to 10, characterized by comprising the steps of:
placing the wheel blank in a heating furnace for heating and preserving heat;
placing a wheel blank with a certain temperature on a positioning disc of a rotary fixing assembly and pressing and fixing the wheel blank through a pressing claw;
starting the motor to drive the wheel blank to rotate at a certain rotating speed, and acquiring outer rim detection data of the wheel blank by the deformation detection assembly;
the control unit receives the outer rim detection data from the deformation detection component, compares the outer rim detection data with stored outer rim normal data to obtain an outer rim deformation high point, and sends a control signal to the motor driving unit, and the driving unit drives the motor to rotate to a specified angle so that the outer rim deformation high point is over against the force application position of the correction component;
the force application component of the correction assembly applies force to the outer rim deformation high point and unloads after a period of time, and the deformation of the rim is corrected.
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| CN201911072987.7A CN110756624B (en) | 2019-11-05 | 2019-11-05 | Wheel rim deformation correction device and method |
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| CN201911072987.7A CN110756624B (en) | 2019-11-05 | 2019-11-05 | Wheel rim deformation correction device and method |
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