CN116100227A - Dynamic balance process and welding equipment for automobile steel hub - Google Patents
Dynamic balance process and welding equipment for automobile steel hub Download PDFInfo
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- CN116100227A CN116100227A CN202310007966.7A CN202310007966A CN116100227A CN 116100227 A CN116100227 A CN 116100227A CN 202310007966 A CN202310007966 A CN 202310007966A CN 116100227 A CN116100227 A CN 116100227A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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Abstract
The application relates to the technical field of steel hub dynamic balance, and specifically discloses an automobile steel hub dynamic balance process and welding equipment, wherein the steel hub dynamic balance process comprises the following steps: dynamic balance test, installation of a balance block and welding of the balance block; the welding equipment used in the dynamic balance process of the automobile steel hub comprises a clamping mechanism, a welding position detection mechanism, a blanking mechanism, a welding mechanism and an auxiliary pressing mechanism. The balancing piece in this application adopts welded fastening's mode to fix the inboard at steel wheel hub body, makes can not produce the clearance because of the centre gripping balancing piece between steel wheel hub body and the plastics wheel decorative cover, has reduced the windage coefficient that the vehicle was gone, has reduced the load that the vehicle was gone.
Description
Technical Field
The application relates to the technical field of dynamic balance of steel hubs, in particular to a dynamic balance process and welding equipment for an automobile steel hub.
Background
The automobile steel hub is taken as a part of the wheel center for installing an axle, is an important component of automobile parts, and the quality of the automobile steel hub greatly influences the safety performance of an automobile.
After the steel wheel hub is produced, a dynamic balance test needs to be carried out on the steel wheel hub, the poor dynamic balance of the steel wheel hub can directly influence the comfort of an automobile in driving, the feeling is less obvious when the automobile is at a low speed, and when the speed of the automobile exceeds 80 km per hour, the steering wheel of the automobile has obvious vibration handfeel, serious vibration sense can cause the vibration of the automobile body, the wheel hub with the poor dynamic balance is used for a long time, the tire can be eccentrically worn, so that the damage of the automobile suspension is accelerated, and the dynamic balance test needs to be adopted to achieve the dynamic balance of the steel wheel hub.
In the related art, a manner of adding a balance weight to a steel hub is often adopted for dynamic balance adjustment, and the method is specific: firstly, a steel wheel hub is mounted on a dynamic balancing machine for dynamic balancing, the position of a balance weight which needs to be added on the steel wheel hub is found, a clamp for clamping is integrally connected to the balance weight, the clamp is clamped on the side edge of the outermost side of the steel wheel hub, and then a plastic wheel decorative cover is covered.
In view of the above related art, since the weight is mounted on the outermost side of the steel hub, a certain gap exists between the steel hub and the plastic wheel decorative cover, and this gap increases the windage coefficient of the vehicle running during the high-speed running of the vehicle, thereby increasing the load of the vehicle running, and thus there is a need for improvement.
Disclosure of Invention
In order to greatly reduce the gap between the steel hub and the plastic wheel decorative cover and further reduce the running load of a vehicle, the application provides a dynamic balance process and welding equipment for the steel hub of an automobile.
The dynamic balance process for the automobile steel hub provided by the first aspect of the application adopts the following technical scheme:
a dynamic balancing process for an automobile steel hub comprises the following steps:
s1: the method comprises the steps of installing a steel hub body on a dynamic balancing machine, detecting dynamic balance of the steel hub body by using the dynamic balancing machine, and finding out an unbalanced position;
s2: taking down the steel hub body from the dynamic balancing machine, and sticking identification strips with different colors from the steel hub body at the positions of the side edges of the steel hub body corresponding to unbalance;
s3: placing the steel hub body on a processing platform, and welding balancing weights at positions, needing to be added with the balancing weights, on the inner side of the steel hub body by using automatic welding equipment on the processing platform;
s4: taking down the steel hub body from the processing platform, mounting the steel hub body on the dynamic balancing machine again, and carrying out secondary dynamic balance detection on the steel hub body;
s5: and repeating the steps S1-S4 until the detected result in the step S4 meets the dynamic balance error range, thereby completing the dynamic balance adjustment of the steel hub body.
Through adopting above-mentioned technical scheme, the balancing piece adopts welded fastening's mode to fix in the inboard of steel wheel hub body, makes can not produce the clearance because of the centre gripping balancing piece between steel wheel hub body and the plastics wheel decorative cover, has reduced the windage coefficient that the vehicle was gone, has reduced the load that the vehicle was gone.
The second aspect of the application provides a welding equipment, this welding equipment is applied to car steel wheel hub dynamic balance technology, adopts following technical scheme:
a welding apparatus comprising the following components disposed on the processing platform:
the clamping mechanism is used for clamping the steel hub body at a fixed machining position of the machining platform;
the welding position detection mechanism is used for detecting the position of the balance weight to be welded on the steel hub body;
the blanking mechanism is used for blanking the balance weight to a position which is required to be welded on the inner side of the steel hub body;
a welding mechanism for welding the weight fed onto the steel hub body to the inside of the steel hub body;
and the auxiliary pressing mechanism is used for carrying out auxiliary pressing on the balance weight to be welded.
Through adopting above-mentioned technical scheme, when the welding of balancing piece is carried out to the steel wheel hub body to needs, place the steel wheel hub body on processing platform, use fixture to carry out the centre gripping fixedly to the steel wheel hub body, the position of identification strip is detected to the welding position detection mechanism that reuses, find out the position that needs the counter weight, then through the position that the balancing piece needs the counter weight of unloading mechanism with the balancing piece to the steel wheel hub body, supplementary pressing mechanism presses the balancing piece this moment, meanwhile, welding mechanism carries out welded fastening to the junction of balancing piece and steel wheel hub body, thereby accomplish the counter weight to the steel wheel hub body, make the dynamic balance of steel wheel hub body keep good.
Optionally, the fixture include set up in two linear guide on the processing platform and set up in two the clamping piece on the sliding seat of linear guide, two linear guide is located on same straight line, and two the clamping piece can be in the drive of linear guide is down to place the steel hub body on the processing platform carries out the centre gripping fixedly.
Through adopting above-mentioned technical scheme, when needs carry out the centre gripping to the steel wheel hub body on the processing platform fixed, drive linear guide, linear guide drives the sliding seat and removes to make two holders carry out the centre gripping to the perisporium of steel wheel hub body, realize the fixed to steel wheel hub body position, make things convenient for follow-up welding operation.
Optionally, the welding position detection mechanism comprises a mounting frame fixed on the processing platform, a mounting column fixed on the mounting frame perpendicular to the processing platform, a rotating rod rotatably arranged at the lower end of the mounting column, and a color sensor arranged at the end part of the rotating rod far away from the mounting column;
the color sensor is positioned on the outer side of the peripheral wall of the steel hub body and is opposite to the steel hub body, the color sensor can identify the identification strip, and the driving mechanism can drive the color sensor to rotate around the peripheral wall of the steel hub body by taking the axis of the steel hub body as the center of a circle.
Through adopting above-mentioned technical scheme, after accomplishing the fixed to steel hub body position, need find out the position of waiting to balance weight that dynamic balancing machine confirmed this moment, elevating system drives the bull stick and descends to the top position that is close to steel hub body, make colour sensor and recognition strip equal height, control actuating mechanism drives the bull stick and rotates, thereby make colour sensor use the centre of a circle of steel hub body as the axle center rotation, make colour sensor can remove round the peripheral wall of steel hub body, when colour sensor removes to just to with the recognition strip, colour sensor discerns the position of recognition strip, thereby make unloading mechanism carry out the unloading, unloading mechanism is with the accurate position of needing the counter weight of transferring on the steel hub body of balancing weight.
Optionally, the elevating system including set up in first flexible cylinder on the erection column, the erection column is including the first body of rod and the second body of rod that mutual slip cap was established, first body of rod with the mounting bracket is fixed, the fixed end of first flexible cylinder is fixed in on the first body of rod, the flexible end of first flexible cylinder is fixed on the second body of rod.
Through adopting above-mentioned technical scheme, after accomplishing the fixed to steel wheel hub body, the height that needs to reduce the bull stick this moment makes colour sensor and unloading mechanism can normally work, and first flexible cylinder extension this moment to drive the second body of rod and move downwards, make colour sensor and unloading mechanism remove the position that corresponds.
Optionally, the actuating mechanism includes being fixed in first driving piece on the second body of rod, coaxial sleeve is fixed in first gear on the first driving piece output and be fixed in the second gear of second body of rod bottom, first gear with the second gear meshing, the bull stick with the flank of tooth of second gear is fixed.
Through adopting above-mentioned technical scheme, when needs drive colour sensor and rotate around the steel wheel hub body peripheral wall, first driving piece drives first gear rotation, and first gear drives the second gear rotation to drive the bull stick and rotate, so that realize colour sensor's removal.
Optionally, the blanking mechanism is mounted on the rotating rod, and is located at the inner periphery side of the steel hub body corresponding to the color sensor; the blanking mechanism comprises a charging box, a rotary drum arranged at the bottom of the charging box in a rotating mode and a rotating assembly driving the rotary drum to rotate, a blanking port is formed in the bottom of the charging box, a plurality of temporary storage grooves are formed in the peripheral wall of the rotary drum, and the balance weights are stacked in the charging box and located at the blanking port.
Through adopting above-mentioned technical scheme, when the charging box moved to the position that corresponds, control the rotation subassembly work, make rotation subassembly drive the rotary drum and rotate, pivoted rotary drum is transported the balancing piece in the charging box to the position that the steel wheel hub body needs the counter weight, realizes placing of balancing piece.
Optionally, the both ends of rotary drum axis are fixed with the pivot, rotate the subassembly including be fixed in second driving piece on the charging box lateral wall, coaxial cover set up be fixed in third gear on the second driving piece output and coaxial cover are located the fourth gear of pivot tip, third gear with fourth gear meshing.
Through adopting above-mentioned technical scheme, when the unloading is carried out to the balancing piece to the needs, control second driving piece work, second driving piece drive third gear rotation, third gear rotation drive fourth gear rotation to make the rotary drum rotate, with this on transporting the steel wheel hub body with the balancing piece in the charging box.
Optionally, the welding mechanism comprises a mounting rod fixed at one end of the rotating rod far away from the blanking mechanism, two welding guns rotatably mounted at the periphery of the mounting rod, and a rotating assembly for driving the two welding guns to rotate by taking the axis of the mounting rod as an axis;
the welding device is characterized in that a mounting frame is sleeved on the mounting rod, two welding guns are located in the mounting frame at one end, close to the mounting rod, of the welding guns, an elastic pressing assembly is arranged between the welding guns and a rod body of the mounting rod, the elastic pressing assembly can drive the two welding guns to elastically press the inner wall of the mounting frame, and the two welding guns can carry out spot welding on a balance block placed on the inner side of the steel hub body under the limit of the mounting frame.
Through adopting above-mentioned technical scheme, after the unloading of balancing piece is accomplished to the rotary drum, the time of passing through several seconds, rotatory hundred eighty degrees of control first driving piece to remove the position of balancing piece with welder, under the effect of installing frame and elasticity pressure subassembly, two welder carry out spot welding along the junction of balancing piece and steel wheel hub body respectively, so realize the welded fastening to the balancing piece.
Optionally, the auxiliary pressing mechanism includes the flexible cylinder of second and set up in the clamp plate of the flexible end of flexible cylinder of second, the flexible end of flexible cylinder of second can be followed perpendicularly the direction of steel wheel hub body is flexible, the clamp plate can be to place in the balancing piece on the steel wheel hub body is inboard supports and presses.
Through adopting above-mentioned technical scheme, when welder rotated to the position that corresponds with the balancing piece, control the flexible cylinder of second and descend, the flexible cylinder of second drives the clamp plate and supports to press on the balancing piece, realizes supporting to press fixedly to the balancing piece when spot welding.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the balance weight is fixed on the inner side of the steel hub body in a welding and fixing mode, so that gaps are not generated between the steel hub body and the plastic wheel decorative cover due to clamping of the balance weight, the wind resistance coefficient of vehicle running is reduced, and the load of vehicle running is reduced;
2. the clamping mechanism can clamp and fix the steel hub body, the welding position detection mechanism is used for detecting the position of the identification strip, the position needing to be balanced is found, then the balance weight is fed to the position needing to be balanced of the steel hub body through the blanking mechanism, the auxiliary pressing mechanism presses the balance weight at the moment, and meanwhile, the welding mechanism performs welding and fixing on the joint of the balance weight and the steel hub body, so that the balance weight of the steel hub body is completed, and the dynamic balance of the steel hub body is kept good;
3. the elevating system can drive the bull stick and descend to the top position that is close to the steel wheel hub body, make color sensor and identification strip equal height, control actuating mechanism drives the bull stick and rotates, thereby make color sensor use the centre of a circle of steel wheel hub body to rotate as the axle center, make color sensor can round the peripheral wall of steel wheel hub body remove, when color sensor removes to just right with the identification strip, color sensor discerns the position of identification strip, thereby make unloading mechanism carry out the unloading, unloading mechanism will balance weight accurate the position of needing the counter weight on the steel wheel hub body of transferring down.
Drawings
Fig. 1 is a schematic view of the overall structure of the welding apparatus and the steel hub in the present application.
Fig. 2 is a schematic view of a part of the structure in fig. 1.
Fig. 3 is a schematic view of a portion of the structure of the transfer lever of fig. 2 from a first view.
Fig. 4 is an enlarged view at a in fig. 2.
Fig. 5 is a partial structural schematic diagram of the rotating lever of fig. 2 at a second view angle.
Reference numerals: 1. a processing platform; 11. a steel hub body; 111. an identification strip; 12. positioning columns; 2. a clamping mechanism; 21. a linear guide rail; 22. a clamping member; 3. a welding position detection mechanism; 31. a mounting frame; 32. a mounting column; 321. a first rod body; 322. a second rod body; 33. a rotating rod; 331. a feed inlet; 34. a color sensor; 4. a blanking mechanism; 41. a charging box; 42. a rotating drum; 421. a temporary storage groove; 422. a rotating shaft; 43. a rotating assembly; 431. a second driving member; 432. a third gear; 433. a fourth gear; 5. an auxiliary pressing mechanism; 51. the second telescopic cylinder; 511. a mounting frame; 52. a pressing plate; 6. a welding mechanism; 61. a mounting rod; 62. a welding gun; 63. a rotating assembly; 7. a lifting mechanism; 71. a first telescopic cylinder; 8. a driving mechanism; 81. a first driving member; 82. a first gear; 83. a second gear; 9. the elastic pressing component.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a dynamic balancing process for an automobile steel hub, which comprises the following steps:
s1: the steel hub body 11 is arranged on a dynamic balancing machine, the dynamic balancing machine is used for detecting the dynamic balance of the steel hub body 11, and the unbalanced position is found;
s2: taking the steel hub body 11 off the dynamic balancing machine, and sticking identification strips 111 with different colors from the steel hub body 11 on the side edges of the steel hub body 11 at positions corresponding to unbalance;
s3: placing the steel hub body 11 on the processing platform 1, and welding balancing weights at positions, needing to be added with the balancing weights, on the inner side of the steel hub body 11 by using automatic welding equipment on the processing platform 1;
s4: taking down the steel hub body 11 from the processing platform 1, mounting the steel hub body 11 on the dynamic balancing machine again, and carrying out secondary dynamic balance detection on the steel hub body 11;
s5: and repeating the steps S1-S4 until the detected result in the step S4 meets the dynamic balance error range, thereby completing the dynamic balance adjustment of the steel hub body 11.
The embodiment of the application also discloses welding equipment which is applied to the dynamic balance process of the automobile steel hub.
Referring to fig. 1, 2 and 3, a welding apparatus includes a clamping mechanism 2 provided on a processing platform 1 for clamping and fixing a steel hub body 11, a welding position detecting mechanism 3 for detecting a position on the steel hub body 11 where a weight is to be welded, a discharging mechanism 4 for discharging the weight to the position on the inner side of the steel hub body 11 where the welding is to be performed, an auxiliary pressing mechanism 5 for auxiliary pressing of the weight to be welded, and a welding mechanism 6 for welding the weight to the inner side of the steel hub body 11.
The processing platform 1 is further provided with a control panel, which can respectively control the work of the electrical elements in the clamping mechanism 2, the welding position detecting mechanism 3, the blanking mechanism 4, the welding mechanism 6 and the auxiliary pressing mechanism 5, and the control panel is not shown in the figure.
Referring to fig. 1 and 2, the clamping mechanism 2 includes two linear guide rails 21 and a clamping member 22, the two linear guide rails 21 are provided, the linear guide rails 21 are controlled by a control panel, the two linear guide rails 21 are fixed on the processing platform 1 through bolts, and the two linear guide rails 21 are positioned on the same straight line; the clamping piece 22 is clamping plates, two clamping plates are arranged corresponding to the linear guide rails 21, the two clamping plates are fixed on sliding seats corresponding to the linear guide rails 21, and when the control panel is operated, the two linear guide rails 21 drive the two sliding seats to move towards the direction of approaching to each other, so that the two clamping plates clamp and fix the steel hub body 11 placed on the processing platform 1.
In order to conveniently place the steel hub body 11 at the correct position of the processing platform 1, referring to fig. 2, a positioning column 12 is welded vertically on the processing platform 1, and before the steel hub body 11 is placed, the center of the steel hub body 11 is sleeved on the positioning column 12.
Referring to fig. 1, 2 and 3, the welding position detecting mechanism 3 includes a mounting frame 31, a mounting post 32, a rotating rod 33 and a color sensor 34, the mounting frame 31 is welded and fixed on the processing platform 1, the mounting post 32 includes a first rod body 321 and a second rod body 322 which are sleeved in a sliding manner, the first rod body 321 and the second rod body 322 are both perpendicular to the processing platform 1, the first rod body 321 is fixed with the mounting frame 31, the rotating rod 33 is rotatably mounted at the lower end of the second rod body 322, a lifting mechanism 7 for driving the rotating rod 33 to lift is arranged between the first rod body 321 and the second rod body 322, and a driving mechanism 8 for driving the rotating rod 33 to rotate is also arranged between the first rod body 321 and the second rod body 322;
referring to fig. 1, 2 and 3, the color sensor 34 is fixedly installed at one end of the rotating rod 33, the color sensor 34 is electrically connected with the control panel, the color sensor 34 is located at the outer side of the peripheral wall of the steel hub body 11 and is opposite to the steel hub body 11, the color sensor 34 can identify the identification strip 111 with different colors from the steel hub body 11, the lifting mechanism 7 can drive the rotating rod 33 to be close to the steel hub body 11, and the driving mechanism 8 can drive the color sensor 34 to rotate around the peripheral wall of the steel hub body 11 by taking the axle center of the steel hub body 11 as the center of a circle. When the color sensor 34 is aligned with the identification strip 111, the control panel controls the driving mechanism 8 to stop working, so that the discharging mechanism 4 can discharge the balance weight to the corresponding position inside the steel hub body 11.
Referring to fig. 1 and 2, the lifting mechanism 7 includes a first telescopic cylinder 71 mounted on a first rod 321, the first telescopic cylinder 71 is electrically connected with a control panel, a fixed end of the first telescopic cylinder 71 is fixed on the first rod 321, a telescopic end of the first telescopic cylinder 71 is fixed on a second rod 322, and the control panel can control the first telescopic cylinder 71 to extend, so that the rotating rod 33 is driven to lift, and the color sensor 34 is moved to a position equal to the height of the identification strip 111.
Referring to fig. 2, 3 and 4, the driving mechanism 8 includes a first driving member 81, a first gear 82 and a second gear 83, the first driving member 81 is a servo motor, rotation of the servo motor is controlled by a control panel, the servo motor is welded and fixed on a peripheral wall of the second rod body 322, the first gear 82 is coaxially sleeved and fixed on an output end of the servo motor, the second gear 83 is welded and fixed between a lower end of the second rod body 322 and the rotating rod 33, and the first gear 82 and the second gear 83 are meshed.
When the control panel controls the servo motor to rotate, the servo motor drives the first gear 82 to rotate, and the first gear 82 drives the second gear 83 meshed with the first gear 82 to rotate, so that the rotating rod 33 is driven to rotate, and the color sensor 34 can identify the position of the identification strip 111.
Referring to fig. 2 and 3, the discharging mechanism 4 is mounted on the rotating lever 33 with the corresponding color sensor 34 located on the inner peripheral side of the steel hub body 11. The discharging mechanism 4 comprises a charging box 41, a rotary drum 42 and a rotating assembly 43, wherein the charging box 41 is fixedly welded on a rotary rod 33, a charging hole 331 communicated with the charging box 41 is formed in the top of the charging box 41 and the corresponding rotary rod 33, and a balance weight can be stacked in the charging box 41 through the charging hole 331. The rotary drum 42 rotates the lower extreme of installing at charging box 41, and the blanking mouth has been seted up to charging box 41's bottom, and a plurality of temporary storage grooves 421 have been seted up to corresponding blanking mouth on the rotary drum 42 periphery wall, and when rotary drum 42 rotated, the balancing piece in charging box 41 can fall into temporary storage groove 421 through the blanking mouth, rotates the position of needing to place in transporting steel wheel hub body 11 through rotary drum 42.
Referring to fig. 3, the rotating shaft 422 is welded and fixed to both ends of the axis of the drum 42, the rotating assembly 43 includes a second driving member 431, a third gear 432, and a fourth gear 433, the second driving member 431 is a gear motor, the gear motor is fixed on the side wall of the charging box 41, the third gear 432 is coaxially sleeved and fixed on the output shaft of the gear motor, the fourth gear 433 is coaxially sleeved and fixed to the end of the rotating shaft 422, and the third gear 432 and the fourth gear 433 are meshed. The gear motor is also in electrical communication with the control panel, and the control panel can drive the gear motor to rotate after the color sensor 34 recognizes the recognition strip 111, so that the balance weights are fed to the steel hub body 11, and meanwhile, the control panel controls the servo motor to rotate, so that the plurality of balance weights can be placed on the inner side of the steel hub body 11 along the circumferential interval of the steel hub body 11.
Referring to fig. 2 and 3, the auxiliary pressing mechanism 5 includes a second telescopic cylinder 51 and a pressing plate 52 provided at a telescopic end of the second telescopic cylinder 51, the telescopic end of the second telescopic cylinder 51 being capable of expanding and contracting in a direction perpendicular to the steel hub body 11, the pressing plate 52 being capable of pressing a weight placed on an inner side of the steel hub body 11.
Referring to fig. 3 and 5, the welding mechanism 6 includes a mounting rod 61, two welding guns 62 and a rotating assembly 63, the mounting rod 61 is welded and fixed at one end of the rotating rod 33 far away from the color sensor 34, the two welding guns 62 are respectively rotatably mounted on the fixed end of the second telescopic cylinder 51, the two welding guns 62 are respectively symmetrically positioned at the periphery of the second telescopic cylinder 51, and the rotating assembly 63 can drive the two welding guns 62 to rotate by taking the axis of the mounting rod 61 as the axis;
referring to fig. 3 and 5, a mounting frame 511 is fixedly sleeved on the fixed end of the second telescopic cylinder 51, one end, close to the mounting rod 61, of each of the two welding guns 62 is located in the mounting frame 511, an elastic pressing assembly 9 is arranged between each of the welding guns 62 and the rod body of the mounting rod 61, each of the elastic pressing assemblies 9 comprises two mounting cylinders fixed on the peripheral wall of the fixed end of the second telescopic cylinder 51 in a welded mode and two springs installed in the corresponding mounting cylinder, one end of each of the springs is fixed to the bottom of the corresponding mounting cylinder, the other end of each of the springs is fixed to one end, far from the welding tip, of each of the welding guns 62, the two springs are always in a compressed state, the two welding guns 62 are elastically pressed against the inner wall of the mounting frame 511, and the welding tips of the two welding guns 62 can spot weld balance blocks placed on the inner side of the steel hub body 11 under the limit of the mounting frame 511.
The implementation principle of the welding equipment in the embodiment of the application is as follows: firstly, sleeving a steel hub body 11 on a positioning column 12, operating a control panel to enable a clamping mechanism 2 to clamp and fix the steel hub body 11, then controlling a lifting mechanism 7 to descend by the control panel to enable a rotating rod 33 to descend above the steel hub body 11, enabling a color sensor 34 to be at the same height as a recognition strip 111, controlling a driving mechanism 8 to work by the control panel to enable the driving mechanism 8 to drive the rotating rod 33 to rotate, and enabling the color sensor 34 to rotate around the outer ring of the steel hub body 11;
when the color sensor 34 is opposite to the identification strip 111, the color sensor 34 recognizes the identification strip 111 at this time, the control panel controls the driving mechanism 8 to reduce the speed, the rotation speed of the rotating rod 33 is greatly reduced, meanwhile, the blanking mechanism 4 loads the balance weight to the position on the steel hub body 11 where the balance weight needs to be added, and the blanking mechanism 4 loads the balance weight interval which needs to be blanked to the steel hub body 11 while the rotating rod 33 rotates slowly;
when the blanking to the balancing piece is accomplished, control panel control actuating mechanism 8 rotatory one hundred eighty degrees makes welding mechanism 6 rotate to the position of balancing piece, and control panel control assists pressing mechanism 5 to press down the fixed to the balancing piece that needs welded this moment, then welding mechanism 6 carries out spot welding to the junction of balancing piece and steel wheel hub body 11 to the realization is to the welding of balancing piece.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. A dynamic balance process for an automobile steel hub is characterized by comprising the following steps of: the method comprises the following steps:
s1: the method comprises the steps of installing a steel hub body (11) on a dynamic balancing machine, detecting dynamic balance of the steel hub body (11) by using the dynamic balancing machine, and finding out an unbalanced position;
s2: taking down the steel hub body (11) from the dynamic balancing machine, and sticking identification strips (111) with different colors from the steel hub body (11) on the side edges of the steel hub body (11) corresponding to the unbalanced positions;
s3: placing the steel hub body (11) on a processing platform (1), and welding a balancing weight at a position, where the balancing weight needs to be added, on the inner side of the steel hub body (11) by using automatic welding equipment on the processing platform (1);
s4: taking down the steel hub body (11) from the processing platform (1), mounting the steel hub body (11) on the dynamic balancing machine again, and carrying out secondary dynamic balance detection on the steel hub body (11);
s5: and repeating the steps S1-S4 until the detected result in the step S4 meets the dynamic balance error range, thereby completing the dynamic balance adjustment of the steel hub body (11).
2. A welding device applied to the dynamic balance process of the automobile steel hub according to claim 1, which is characterized in that: the device comprises the following parts arranged on the processing platform (1):
the clamping mechanism (2) is used for clamping the steel hub body (11) at a fixed machining position of the machining platform (1);
the welding position detection mechanism (3) is used for detecting the position of a balance weight to be welded on the steel hub body (11);
the blanking mechanism (4) is used for blanking the balance weight to a position which is required to be welded on the inner side of the steel hub body (11);
a welding mechanism (6) for welding a weight fed onto the steel hub body (11) to the inside of the steel hub body (11);
and the auxiliary pressing mechanism (5) is used for carrying out auxiliary pressing on the balance weight to be welded.
3. A welding apparatus as defined in claim 2, wherein: the clamping mechanism (2) comprises two linear guide rails (21) arranged on the processing platform (1) and clamping pieces (22) arranged on sliding seats of the two linear guide rails (21), the two linear guide rails (21) are positioned on the same straight line, and the two clamping pieces (22) can clamp and fix a steel hub body (11) placed on the processing platform (1) under the driving of the linear guide rails (21).
4. A welding apparatus as defined in claim 2, wherein: the welding position detection mechanism (3) comprises a mounting frame (31) fixed on the processing platform (1), a mounting column (32) perpendicular to the processing platform (1) and fixed on the mounting frame (31), a rotating rod (33) rotatably arranged at the lower end of the mounting column (32), and a color sensor (34) arranged at the end part of the rotating rod (33) away from the mounting column (32);
the color sensor (34) is located on the outer side of the peripheral wall of the steel hub body (11) and right against the steel hub body (11), the color sensor (34) can identify the identification strip (111), and the driving mechanism (8) can drive the color sensor (34) to rotate around the peripheral wall of the steel hub body (11) by taking the axle center of the steel hub body (11) as the circle center.
5. A welding apparatus as defined in claim 4, wherein: elevating system (7) including set up in first flexible cylinder (71) on erection column (32), erection column (32) are including first body of rod (321) and second body of rod (322) that mutual slip cap was established, first body of rod (321) with mounting bracket (31) are fixed, the fixed end of first flexible cylinder (71) is fixed in on first body of rod (321), the flexible end of first flexible cylinder (71) is fixed on second body of rod (322).
6. A welding apparatus as defined in claim 5, wherein: the driving mechanism (8) comprises a first driving piece (81) fixed on the second rod body (322), a first gear (82) coaxially sleeved and fixed on the output end of the first driving piece (81) and a second gear (83) fixed at the bottom of the second rod body (322), the first gear (82) is meshed with the second gear (83), and the rotating rod (33) is fixed with the tooth surface of the second gear (83).
7. A welding apparatus as defined in claim 4, wherein: the blanking mechanism (4) is arranged on the rotating rod (33) and is positioned on the inner periphery side of the steel hub body (11) corresponding to the color sensor (34); the blanking mechanism (4) comprises a charging box (41), a rotary drum (42) arranged at the bottom of the charging box (41) in a rotating mode and a rotating assembly (43) driving the rotary drum (42) to rotate, a blanking port is formed in the bottom of the charging box (41), a plurality of temporary storage grooves (421) are formed in the peripheral wall of the rotary drum (42) corresponding to the blanking port, and the balance weights are stacked in the charging box (41) and located at the blanking port.
8. A welding apparatus as defined in claim 7, wherein: the rotary drum is characterized in that rotating shafts (422) are fixed at two ends of the axis of the rotary drum (42), the rotating assembly (43) comprises a second driving part (431) fixed on the side wall of the charging box (41), a third gear (432) coaxially sleeved and fixed on the output end of the second driving part (431) and a fourth gear (433) coaxially sleeved at the end part of the rotating shafts (422), and the third gear (432) is meshed with the fourth gear (433).
9. A welding apparatus as defined in claim 4, wherein: the welding mechanism (6) comprises a mounting rod (61) fixed at one end of the rotating rod (33) far away from the blanking mechanism (4), two welding guns (62) rotatably mounted on the periphery of the mounting rod (61), and a rotating assembly (63) for driving the two welding guns (62) to rotate by taking the axis of the mounting rod (61) as the axis;
the welding device is characterized in that a mounting frame (511) is sleeved on the mounting rod (61), two welding guns (62) are located in the mounting frame (511) near one end of the mounting rod (61), an elastic pressing component (9) is arranged between the welding guns (62) and the rod body of the mounting rod (61), the elastic pressing component (9) can drive the two welding guns (62) to elastically press on the inner wall of the mounting frame (511), and the two welding guns (62) can perform spot welding on a balance block placed on the inner side of the steel hub body (11) under the limit of the mounting frame (511).
10. A welding apparatus according to any one of claims 2-9, characterized in that: the auxiliary pressing mechanism (5) comprises a second telescopic cylinder (51) and a pressing plate (52) arranged at the telescopic end of the second telescopic cylinder (51), the telescopic end of the second telescopic cylinder (51) can stretch out and draw back along the direction perpendicular to the steel hub body (11), and the pressing plate (52) can press a balance block placed on the inner side of the steel hub body (11).
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| CN202310007966.7A CN116100227B (en) | 2023-01-04 | 2023-01-04 | Dynamic balance process and welding equipment for automobile steel hub |
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| CN202310007966.7A CN116100227B (en) | 2023-01-04 | 2023-01-04 | Dynamic balance process and welding equipment for automobile steel hub |
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| CN116100227B CN116100227B (en) | 2023-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117824923A (en) * | 2024-02-29 | 2024-04-05 | 武汉成华汽车饰件有限公司 | Dynamic balance process and welding equipment for automobile steel hub |
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|---|---|
| CN116100227B (en) | 2023-09-29 |
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