CN114034433B - Balance testing system for vehicle brake disc - Google Patents
Balance testing system for vehicle brake disc Download PDFInfo
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- CN114034433B CN114034433B CN202210019122.XA CN202210019122A CN114034433B CN 114034433 B CN114034433 B CN 114034433B CN 202210019122 A CN202210019122 A CN 202210019122A CN 114034433 B CN114034433 B CN 114034433B
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- 238000012360 testing method Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 66
- 238000003801 milling Methods 0.000 claims abstract description 58
- 238000012937 correction Methods 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 29
- 238000006073 displacement reaction Methods 0.000 claims description 26
- 238000004804 winding Methods 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 238000009423 ventilation Methods 0.000 description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 26
- 229910052742 iron Inorganic materials 0.000 description 12
- 230000033001 locomotion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining imbalance
- G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/30—Compensating imbalance
- G01M1/34—Compensating imbalance by removing material from the body to be tested, e.g. from the tread of tyres
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Abstract
The invention discloses a balance testing system for a vehicle brake disc, which comprises a balance detection module, a de-weight correction module and a collection module, wherein the balance detection module is used for carrying out balance detection on a ventilated brake disc, the de-weight correction module is used for carrying out de-weight on the unbalanced ventilated brake disc in a milling mode, and the collection module is used for recovering metal debris generated when the ventilated brake disc is milled and de-weight corrected. According to the invention, the collection module can collect the metal debris generated in the milling and weight removing process during the balance detection of the ventilated brake disc, so that the phenomenon that the metal debris generated in the milling and weight removing process during the balance detection of the ventilated brake disc covers the balance detection equipment, the surface of the ventilated brake disc to be detected and the air duct to influence the weight removing precision of the ventilated brake disc to be detected is avoided.
Description
Technical Field
The invention relates to the technical field of dynamic balance, in particular to a balance testing system for a vehicle brake disc.
Background
The brake disc is one of the important components of the automobile brake system, the quality of the brake disc is related to the brake performance and the brake safety of the whole automobile, one of the important indexes for judging the quality of the brake disc is whether the balance precision can meet the requirement, the balance precision of the brake disc seriously influences the driving safety, the service life and the personal safety of personnel in the automobile, the detection and the correction of disc workpieces such as the brake disc are mainly completed through a balancing machine, for the brake disc, the problem of uneven mass distribution of the disc body is inevitably caused due to the influence of factors such as the processing environment, the processing technology, the quality of used materials and the like in the manufacturing and processing process, the uneven mass distribution also inevitably causes the phenomenon that the brake disc generates vibration when rotating at high speed, and the vibration belongs to harmful vibration and seriously influences the driving safety of the automobile, The service life and the personal safety of personnel in the vehicle are the essential reasons for the harmful vibration, the brake disc belongs to a disc-shaped workpiece, when the vehicle runs, the brake disc can rotate at a high speed along with wheels, the uneven mass distribution of the brake disc generates centrifugal force to enable the interior of the brake disc to be stressed and unbalanced to generate vibration, the vibration phenomenon is called dynamic unbalance phenomenon, and the uneven mass is called unbalance amount.
The method comprises the steps of accurately detecting and correcting the unbalance of a brake disc, having important influences on mechanical vibration and noise elimination, automobile braking safety and reliability enhancement and brake system service life increase, and aiming at the unbalance problem of the brake disc, the conventional brake disc balance detection system is divided into a balance detection part and a correction part, wherein the balance detection part mainly detects the unbalance size and the phase of the brake disc, and the correction part mainly balances and rebalances a workpiece in a weighting or de-weighting mode after the unbalance detection is completed.
The common rebalancing method for the ventilated brake disc is a de-weight correction method, and the normal method for the de-weight correction is milling de-weight, metal chips are inevitably generated in the milling process of the ventilated brake disc, wherein iron chips can be thrown out in the tangential direction by a milling cutter rotating at high speed when a milling mechanism in a brake disc balance test system mills and de-weights the brake disc, if the metal chip dust thrown out at high speed is not recycled in a centralized manner, the metal chip dust pollutes a processing workshop and causes physical injury to operators, thicker iron powder covers the brake disc balance detection equipment and the surface of the brake disc to be detected, and the metal chips can be accumulated in an air duct of the ventilated brake disc to seriously influence the de-weight precision of the tested ventilated brake disc.
Disclosure of Invention
In order to solve the problems in the background art, the collection module can collect metal debris generated in the milling and weight removing process during the balance detection of the ventilated brake disc, so that the condition that the metal debris generated in the milling and weight removing process during the balance detection of the ventilated brake disc covers the balance detection equipment, the surface of the ventilated brake disc to be detected and the air duct to influence the weight removing precision of the ventilated brake disc to be detected is avoided.
In order to achieve the purpose, the invention provides the following technical scheme: a balance test system for a vehicle brake disc comprises a balance detection module, a de-weight correction module and a collection module, wherein the balance detection module is used for carrying out balance detection on a ventilated brake disc, the de-weight correction module is used for carrying out de-weight on an unbalanced ventilated brake disc in a milling mode, the collection module is used for recovering metal debris which is remained in an air duct of the ventilated brake disc and on the surface of the ventilated brake disc when the ventilated brake disc is milled and de-weight corrected, the balance detection module comprises a workbench, a main shaft and a detection part, the workbench comprises a table top and a support, a turntable is arranged on the table top, a controller is further arranged on the table top, a cylinder is arranged on the upper surface of the turntable, the bottom end of the cylinder is connected with the turntable, an upper end opening is formed in the bottom end of the cylinder, an annular hydraulic cylinder is arranged in the center of the turntable, and one end of the annular hydraulic cylinder is connected with the turntable, the annular hydraulic cylinder is connected with the hydraulic control unit, and the hydraulic control unit is connected with the controller to realize the automatic control of the annular hydraulic cylinder by the controller; the balance detection module further comprises a driving part.
Furthermore, the cylinder inner wall quartering part is respectively provided with a sliding chute from top to bottom, a support frame is also arranged in the cylinder, the support frame comprises a first disc and a second disc, the first disc is positioned at the upper part, the second disc is positioned at the lower part, the other end of the annular hydraulic cylinder is connected with the second disc, a web plate is arranged between the first disc and the second disc, the web plate is positioned at the quartering part of the first disc and the second disc, the outer surfaces of the four web plates are provided with first sliding blocks, the first sliding blocks are matched with the sliding chutes formed on the cylinder inner wall, the annular hydraulic cylinder takes the discs as a base and is used for vertically lifting the support frame, the center of the annular hydraulic cylinder is provided with a through hole for inserting a main shaft, the annular hydraulic cylinder is arranged between the rotary disc and the support frame, and can realize the lifting of the support frame and can allow the main shaft to pass through the through hole in the center of the annular hydraulic cylinder, the web between first disc and the second disc has both reduced the material and has guaranteed first disc and second disc at ascending relative distance in vertical direction again, the spout cooperation that first slider and drum inner wall that the web surface was established have realized having played the guide effect to support frame vertical movement when the support frame is lifted by annular hydraulic cylinder vertically to the cooperation of first slider and spout can also guarantee that the drum provides the support frame when the carousel is rotatory and rotates required moment of torsion along with the carousel to realize that the support frame drives the ventilation formula brake disc that is located first carousel tip and rotates along with the carousel is synchronous, mill the duplication for the ventilation formula brake disc and create the prerequisite.
Further, the first disc upper surface is equipped with the support ring, the one end that first disc was kept away from to the support ring is equipped with seal ring, and wherein, carousel, first disc, second disc and drum center department open there is the centre bore, main shaft top-down runs through the centre bore of first disc, second disc, drum, annular pneumatic cylinder and carousel in proper order, tip connection drive division under the main shaft, the drive division is used for driving the main shaft rotatory, the drive division is connected with the detection portion, the detection portion is used for detecting the main shaft vibration on level and vertical direction, the detection portion is installed on the support of workstation, the one end that the drive division was kept away from to the main shaft is equipped with clamping device, the clamping device lower part is equipped with first ring flange, first ring flange is used for the flange department of bearing ventilation formula brake disc.
Furthermore, the sealing washer of establishing is used for sealing the ventilated brake disc inner chamber when the surface of support ring and ventilated brake disc one side cooperate, creates required air current passageway for the collection of iron fillings after the ventilated brake disc mills to remove the heavy back, makes the collection of iron fillings more thoroughly avoid iron fillings to remain in the wind channel of ventilated brake disc and influence the balance detection of ventilated brake disc, and further, install the sensor that is used for monitoring vibration in horizontal and vertical direction in the detection portion and be used for real-time catching the balance detection data of ventilated brake disc and transmit to the controller, and clamping device that the main shaft upper end was established in addition can expand to clamp and contract the release ventilated brake disc under the control of controller as required by the controller control, when clamping device contracts and releases ventilated brake disc, the ventilated brake disc will be carried by the first flange at the lower end of the clamping device.
Further, the collecting module comprises a collecting cover, a clamping assembly is arranged at an opening of the collecting cover and used for clamping the upper surface and the lower surface of the ventilated brake disc, slide rails are symmetrically installed on the outer surface of the cylinder, a slide seat is connected to the slide rails, a telescopic rod is installed on the slide seat, a winding roller is arranged at one end, away from the slide seat, of the telescopic rod, a sealing strip is wound on the winding roller, the winding roller for winding the sealing strip is used for sealing a ventilation opening of the brake disc at one side opposite to the side where the ventilated brake disc is milled to remove the weight, the winding roller is installed on the telescopic rod, when the winding roller is driven by the slide seat to move towards one side close to the ventilated brake disc, the winding roller can be self-adaptive to the arc-shaped profile of the ventilated brake disc through the telescopic adjustment of the telescopic rod, and when the two winding rollers move to two opposite end points in the diameter direction of the ventilated brake disc, half of the ventilation opening is covered by the two winding rollers, the other half of the ventilation opening of the ventilated brake disc is positioned in the milling range of the milling device, and the ventilated brake disc can be driven to rotate through the rotation of the rotary disc so as to change the milling length.
Further, collect the cover and be connected with first cantilever, it removes heavy correction module to be equipped with in the cover to collect, clamping assembly includes the clamp plate, clamp plate one side connecting seal strip, clamp plate opposite side erection joint pole, the one end that the clamp plate was kept away from to the connecting rod is equipped with the second slider, it is equipped with the slide to collect the opening part bilateral symmetry from top to bottom of cover, the second slider is located the slide, be equipped with the tensioning spring in the slide, the tensioning spring mounting is in the cavity that second slider and slide one end are constituteed, and is further, clamping assembly is used for sealing up the cover opening part to collecting when collecting the opening part of cover and ventilation type brake disc cooperation, reduces the clearance of collecting cover opening part and ventilation type brake disc and collects the vacuum suction of cover to ventilation type brake disc vent department with the promotion, makes more air current all get into then by the vent that ventilation cover cooperation department flows out through the air again by the vent that collects the cover cooperation department through the ventilation type brake disc The iron fillings that flow in will milling department and the wind channel are taken to collecting and are retrieved in the cover, in addition because clamping device can enough guarantee to collect the adaptability of cover opening part to the ventilation brake disc of different thickness through tensioning spring and the cooperation of second slider can ensure again that clamping assembly is sealed to the centre gripping of ventilation brake disc upper and lower surface when milling device is doing the ascending fine setting of vertical direction.
Further, the module of removing the heavy calibration includes milling equipment, milling equipment installs inside collecting the cover, milling equipment includes actuating mechanism and milling cutter, actuating mechanism is connected with first support arm, milling cutter installs in actuating mechanism's lower extreme, first support arm is connected with vertical displacement device, vertical displacement device is connected with horizontal displacement device, horizontal displacement device installs on the mesa of workstation, and is further, vertical displacement device is used for driving milling equipment and moves in the vertical direction, horizontal displacement device is used for driving milling equipment and moves in the horizontal direction, vertical displacement device and horizontal displacement device participate in the control that ventilated brake disc milled the weight of removing jointly.
Furthermore, an upright post is arranged on the table top of the workbench, a linear bearing is arranged on the upright post, a second support arm is arranged on the linear bearing, a vertical rod is arranged at one end of the second support arm far away from the linear bearing, one end of the vertical rod far away from the second support arm is connected with a second flange which can rotate relative to the vertical rod, the lower surface of the second flange plate is provided with a sealing gasket, the inside of the second flange plate is provided with a containing cavity, further, the vertical rod can realize downward pressurization fixation and upward release on the upper surface of the flange of the ventilated brake disc under the driving of the linear bearing and the second support arm, the second flange plate arranged at the lower end of the vertical rod is used for synchronously rotating along with the ventilated brake disc when the ventilated brake disc is driven to rotate by the turntable, so that clamping force of the second flange plate and the support ring on the flange of the ventilated brake disc is ensured.
Furthermore, the weight-removing correction module further comprises a first motor, the driving part comprises a second motor, the first motor and the second motor are both mounted on the workbench, the turntable is driven by the first motor, the main shaft is driven by the second motor, a collecting pipe is arranged on the outer surface of the collecting cover, and the collecting pipe is connected to the high-power dust collector.
Furthermore, two slide tip passes through the horizontal pole and connects, the reciprocal lead screw of horizontal pole spiro union, reciprocal lead screw passes through the drive of third motor, the third motor is installed in the slide rail tip, first motor, second motor, third motor and detection part all are connected with the controller.
The invention has the beneficial effects that: according to the invention, the metal debris generated in the milling and weight removing process during the balance detection of the ventilated brake disc can be collected through the debris removing module, so that the phenomenon that the metal debris generated in the milling and weight removing process during the balance detection of the ventilated brake disc covers the balance detection equipment, the surface of the ventilated brake disc to be detected and the air duct to influence the weight removing precision of the ventilated brake disc to be detected is avoided.
The annular hydraulic cylinder takes the disc as a base and is used for vertically lifting the supporting frame, a through hole is formed in the center of the annular hydraulic cylinder and is used for inserting the main shaft, the annular hydraulic cylinder is arranged between the turntable and the supporting frame, the lifting of the supporting frame can be realized, the main shaft can be allowed to pass through the through hole in the center of the annular hydraulic cylinder, the web plate between the first disc and the second disc not only reduces the material consumption, but also ensures the relative distance between the first disc and the second disc in the vertical direction, the first sliding block arranged on the outer surface of the web plate is matched with the sliding groove formed in the inner wall of the cylinder, so that the vertical movement of the supporting frame is guided when the supporting frame is vertically lifted by the annular hydraulic cylinder, and the first sliding block is matched with the sliding groove, so that the cylinder can provide the torque required by the supporting frame to rotate along with the turntable when the turntable so as to realize that the supporting frame drives the ventilation type brake disc positioned at the end part of the first turntable to synchronously rotate along with the turntable, the method creates a precondition for milling and de-duplicating the ventilated brake disc.
The sealing washer arranged at the end part of the support ring on the upper surface of the first disc is used for sealing the inner cavity of the ventilated brake disc when the support ring is matched with the surface of one side of the ventilated brake disc, so as to create a required airflow channel for collecting scrap iron after the ventilated brake disc is milled and removed, so that the scrap iron is collected more thoroughly to avoid the scrap iron remaining in the air channel of the ventilated brake disc to influence the balance detection of the ventilated brake disc, and further, the sensor for monitoring vibration in horizontal and vertical directions is arranged in the detection part to capture balance detection data of the ventilated brake disc in real time and transmit the data to the controller, and in addition, the clamping device arranged at the upper end of the main shaft can be controlled by the controller to expand, clamp and contract the ventilated brake disc under the control of the controller according to requirements, when the clamping device contracts to release the ventilated brake disc, the ventilated brake disc is supported by the first flange plate at the lower end of the clamping device.
The roll-up roller of winding sealing band is used for sealing the vent of the ventilation brake disc of the relative one side when milling with the ventilation brake disc and removing the weight, and the roll-up roller is installed on the telescopic link, the roll-up roller is driven by the slide and can make roll-up roller self-adaptation ventilation brake disc curved profile through the flexible regulation of telescopic link when being close to the motion of one side of ventilation brake disc, and the sealing band will cover half the vent of ventilation brake disc when two roll-up rollers move to two relative endpoints on the ventilation brake disc diameter direction, the second half vent of ventilation brake disc then is located milling device's milling range, and can drive the rotatory change that realizes the length that mills of ventilation brake disc through the rotation of carousel.
Clamping unit is used for collecting the cover opening part to be sealed collecting when the opening part of cover and the cooperation of ventilation formula brake disc, reduce the clearance of collecting cover opening part and ventilation formula brake disc and collect the vacuum suction of cover to ventilation formula brake disc vent department in order to promote, thereby make more air current all through ventilation opening entering that ventilation formula brake disc is not sealed and then flow out to take to the collection cover in with the iron fillings that collect the department of milling through the air current, in addition because clamping unit can enough guarantee to collect the adaptability of cover opening part to the ventilation formula brake disc of different thickness through tensioning spring and second slider cooperation and can ensure again that clamping unit is sealed to the centre gripping of surface about the brake disc when milling unit is doing the fine setting in vertical direction.
Drawings
In order to more clearly explain the technical solutions in the embodiments, the drawings in the embodiments will be briefly described below.
FIG. 1 is a view showing a connection structure of a balance detecting module, a deduplication correcting module, and a collecting module according to the present invention.
Fig. 2 is a view showing the structure of the driving part and the detecting part of the present invention.
Fig. 3 is an enlarged view of a in fig. 2.
Fig. 4 is a view showing the structure of the take-up roll of the present invention.
Fig. 5 is an enlarged view of B in fig. 1.
In the figure: 1. a balance detection module; 2. a duplication removal correction module; 3. a collection module; 4. a work table; 5. a main shaft; 6. a detection unit; 7. a table top; 8. a support; 9. a turntable; 10. a cylinder; 11. an annular hydraulic cylinder; 12. a chute; 13. a support frame; 14. a first disc; 15. a second disc; 16. a web; 17. a first slider; 18. a support ring; 19. a sealing gasket; 20. a drive section; 21. a clamping device; 22. a first flange plate; 23. a collection hood; 24. a clamping assembly; 25. a slide rail; 26. a slide base; 27. a telescopic rod; 28. a winding roller; 29. sealing tape; 30. a first support arm; 31. pressing a plate; 32. a sealing strip; 33. a connecting rod; 34. a second slider; 35. a slideway; 36. tensioning the spring; 37. a milling device; 38. a drive mechanism; 39. milling cutters; 40. a vertical displacement device; 41. a horizontal displacement device; 42. a column; 43. a linear bearing; 44. a second support arm; 45. a vertical rod; 46. a second flange plate; 47. a first motor; 48. a second motor; 49. a collection pipe; 50. a third motor; 51. and a controller.
Detailed Description
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. The detailed structure of the present invention will be apparent from the following detailed description of the structure with reference to fig. 1 to 5, and all the structural contents mentioned in the following embodiments are referred to in the accompanying drawings of the specification.
Example 1:
as shown in fig. 1 to 5, the balance testing system for a vehicle brake disc of the present embodiment includes a balance detecting module 1, a weight-removing correcting module 2 and a collecting module 3, wherein the balance detecting module 1 is used for performing balance detection on a ventilated brake disc, the weight-removing correcting module 2 is used for removing weight of an unbalanced ventilated brake disc in a milling manner, the collecting module 3 is used for recovering metal debris remaining in an air duct of the ventilated brake disc and on a surface of the ventilated brake disc when the ventilated brake disc is milled and removed with weight, the balance detecting module 1 includes a workbench 4, a spindle 5 and a detecting portion 6, the workbench 4 includes a table top 7 and a bracket 8, the table top 7 is provided with a turntable 9, the table top 7 is further provided with a controller 51, the upper surface of the turntable 9 is provided with a cylinder 10, a bottom end of the cylinder 10 is connected with the turntable 9 and an upper end of the cylinder is opened, a ring-shaped hydraulic cylinder 11 is arranged at a center of the turntable 9, one end of the ring-shaped hydraulic cylinder 11 is connected with the turntable 9, the annular hydraulic cylinder 11 is connected with a hydraulic control unit, and the hydraulic control unit is connected with a controller 51 to realize the automatic control of the annular hydraulic cylinder 11 by the controller 51; the balance detecting module 1 further includes a driving section 20.
Specifically, the inner wall quartering of the cylinder 10 is respectively provided with a sliding chute 12 from top to bottom, a support frame 13 is further arranged in the cylinder 10, the support frame 13 comprises a first disk 14 and a second disk 15, the first disk 14 is positioned at the upper part, the second disk 15 is positioned at the lower part, the other end of the annular hydraulic cylinder 11 is connected with the second disk 15, a web 16 is arranged between the first disk 14 and the second disk 15, the web 16 is positioned at the quartering of the first disk 14 and the second disk 15, the outer surfaces of the four webs 16 are provided with first sliding blocks 17, the first sliding blocks 17 are matched with the sliding chutes 12 formed on the inner wall of the cylinder 10, more specifically, the annular hydraulic cylinder 11 takes the disks as a base and is used for vertically lifting the support frame 13, the center of the annular hydraulic cylinder 11 is provided with a through hole for inserting the spindle 5, the annular hydraulic cylinder 11 is arranged between the rotary table 9 and the support frame 13, can lift the support frame 13 and allow the spindle 5 to pass through the through hole at the center thereof, wherein the annular hydraulic cylinder 11 is connected with a hydraulic control unit, the hydraulic control unit is connected with the controller 51 to realize the automatic control of the controller 51 on the annular hydraulic cylinder 11, the web 16 between the first disc 14 and the second disc 15 not only reduces the material consumption but also ensures the relative distance between the first disc 14 and the second disc 15 in the vertical direction, the first slide block 17 arranged on the outer surface of the web 16 is matched with the slide groove 12 formed on the inner wall of the cylinder 10 to realize the guiding function on the vertical movement of the support frame 13 when the support frame 13 is vertically lifted by the annular hydraulic cylinder 11, and the cooperation of the first sliding block 17 and the sliding groove 12 can ensure that the cylinder 10 provides the supporting frame 13 with the torque required by the supporting frame 13 to rotate along with the rotating disc 9 when the rotating disc 9 rotates, the supporting frame 13 drives the ventilated brake disc located at the end of the first rotating disc 9 to synchronously rotate along with the rotating disc 9, and a precondition is created for milling and de-duplicating the ventilated brake disc.
Specifically, a support ring 18 is arranged on the upper surface of a first disc 14, a sealing washer 19 is arranged at one end, away from the first disc 14, of the support ring 18, a center hole is formed in the center of a turntable 9, the center of the first disc 14 and the center hole of a second disc 15, a main shaft 5 sequentially penetrates through the center holes of the first disc 14, the center hole of the second disc 15, a cylinder 10, an annular hydraulic cylinder 11 and the center hole of the turntable 9 from top to bottom, the lower end of the main shaft 5 is connected with a driving part 20, the driving part 20 is used for driving the main shaft 5 to rotate, the driving part 20 is connected with a detection part 6, the detection part 6 is used for detecting vibration of the main shaft 5 in the horizontal and vertical directions, the detection part 6 is installed on a support 8 of a workbench 4, a clamping device 21 is arranged at one end, away from the driving part 20, of the main shaft 5, a first flange 22 is arranged at the lower part of the clamping device 21, and the first flange 22 is used for supporting a flange of a ventilated brake disc.
Specifically, the sealing washer 19 disposed at the end of the support ring 18 on the upper surface of the first disc 14 is used to seal the inner cavity of the ventilated brake disc when the support ring 18 is engaged with the surface of one side of the ventilated brake disc, so as to create a required air flow channel for collecting scrap iron after the ventilated brake disc is milled and removed with weight, so that the scrap iron is collected more thoroughly to avoid the scrap iron remaining in the air channel of the ventilated brake disc to affect the balance detection of the ventilated brake disc, further, the sensor for monitoring vibration in horizontal and vertical directions is disposed in the detection portion 6 to capture the balance detection data of the ventilated brake disc in real time and transmit the data to the controller 51, and the clamping device 21 disposed at the upper end of the main shaft 5 is controlled by the controller 51 to perform expansion clamping and contraction release on the ventilated brake disc as required and under the control of the controller 51, when the clamping device 21 contracts to release the ventilated brake disc, the ventilated brake disc will be carried by the first flange 22 at the lower end of the clamping device 21.
Specifically, the collecting module 3 includes a collecting cover 23, a clamping assembly 24 is disposed at an opening of the collecting cover 23, the clamping assembly 24 is used for clamping upper and lower surfaces of the ventilated brake disc, slide rails 25 are symmetrically mounted on an outer surface of the cylinder 10, a slide carriage 26 is connected to the slide rails 25, a telescopic rod 27 is mounted on an upper surface of the slide carriage 26, a winding roller 28 is disposed at one end of the telescopic rod 27 far away from the slide carriage 26, a sealing tape 29 is wound on the winding roller 28, more specifically, the winding roller 28 wound on the sealing tape 29 is used for sealing a ventilation opening of the brake disc at a side opposite to a side where the ventilated brake disc is milled to remove the weight, and the winding roller 28 is mounted on the telescopic rod 27, when the winding roller 28 is driven by the slide carriage 26 to move to a side close to the ventilated brake disc, the winding roller 28 can be self-adapted to an arc profile of the ventilated brake disc through telescopic adjustment of the telescopic rod 27, and when two winding rollers 28 move to two opposite end points in a diameter direction of the ventilated brake disc, the two winding roller 29 will cover half of the ventilated brake disc The air port and the ventilation port on the other half of the ventilated brake disc are located in the milling range of the milling device 37, and the rotation of the rotary disc 9 can drive the ventilated brake disc to rotate to realize the change of the milling length.
Specifically, the collecting cover 23 is connected with the first supporting arm 30, the weight-removing correction module 2 is arranged in the collecting cover 23, the clamping assembly 24 comprises a pressing plate 31, one side of the pressing plate 31 is connected with a sealing strip 32, the other side of the pressing plate 31 is provided with a connecting rod 33, one end of the connecting rod 33, which is far away from the pressing plate 31, is provided with a second slide block 34, the upper side and the lower side of the opening of the collecting cover 23 are symmetrically provided with slide ways 35, the second slide block 34 is positioned in the slide way 35, a tensioning spring 36 is arranged in the slide way 35, the tensioning spring 36 is arranged in a cavity formed by the second slide block 34 and one end of the slide way 35, more specifically, the clamping assembly 24 is used for sealing the opening of the collecting cover 23 when the opening of the collecting cover 23 is matched with the ventilating type brake disc, the gap between the opening of the collecting cover 23 and the ventilating type brake disc is reduced to improve the vacuum suction force of the collecting cover 23 to the ventilating opening of the ventilating disc, more air flows into the air flows through the ventilating opening of the ventilating disc which is not sealed with the ventilating opening of the ventilating disc, and then flows out from the ventilating opening of the position of the collecting cover 23 And the scrap iron at the milling position is brought into the collecting cover 23 by the airflow to be recycled, and in addition, the clamping device 21 is matched with the second sliding block 34 through the tension spring 36, so that the adaptability of the opening of the collecting cover 23 to ventilated brake discs with different thicknesses can be ensured, and the clamping assembly 24 can be ensured to clamp and seal the upper surface and the lower surface of the brake disc when the milling device 37 is subjected to fine adjustment in the vertical direction.
Specifically, the weight-reducing correction module 2 comprises a milling device 37, the milling device 37 is mounted inside the collecting cover 23, the milling device 37 comprises a driving mechanism 38 and a milling cutter 39, the driving mechanism 38 is connected with the first support arm 30, the milling cutter 39 is mounted at the lower end of the driving mechanism 38, the first support arm 30 is connected with a vertical displacement device 40, the vertical displacement device 40 is connected with a horizontal displacement device 41, the horizontal displacement device 41 is mounted on the table top 7 of the workbench 4, more specifically, the vertical displacement device 40 is used for driving the milling device 37 to move in the vertical direction, the horizontal displacement device 41 is used for driving the milling device 37 to move in the horizontal direction, the vertical displacement device 40 and the horizontal displacement device 41 jointly participate in the control of the weight-reducing quality of the ventilated brake disc milling, and both the vertical displacement device 40 and the horizontal displacement device 41 are connected with the controller 51.
Specifically, an upright post 42 is installed on the table top 7 of the workbench 4, a linear bearing 43 is installed on the upright post 42, a second support arm 44 is installed on the linear bearing 43, a vertical rod 45 is arranged at one end of the second support arm 44, which is far away from the linear bearing 43, one end of the vertical rod 45, which is far away from the second support arm 44, is connected with a second flange 46, the second flange 46 can rotate relative to the vertical rod 45, a sealing gasket 19 is arranged on the lower surface of the second flange 46, a containing cavity is arranged inside the second flange 46, the containing cavity arranged inside the second flange 46 is used for containing the clamping device 21 at the end of the main shaft 5 when the second flange 46 moves downwards, more specifically, the vertical rod 45 can realize downward pressurization fixing and upward releasing of the upper surface at the flange of the ventilated brake disc under the driving of the linear bearing 43 and the second flange 44, wherein the second flange 46 arranged at the lower end of the vertical rod 45 is used for synchronously rotating with the ventilated brake disc when the ventilated brake disc is driven by the turntable 9, thereby ensuring a clamping force at the second flange 46 and the support ring 18 against the ventilated brake disc flange.
Specifically, the duplication elimination correction module 2 further comprises a first motor 47, the driving portion 20 comprises a second motor 48, the first motor 47 and the second motor 48 are both mounted on the workbench 4, the turntable 9 is driven by the first motor 47, the spindle 5 is driven by the second motor 48, a collecting pipe 49 is arranged on the outer surface of the collecting cover 23, and the collecting pipe 49 is connected to the high-power dust collector.
Specifically, the ends of the two sliding seats 26 are connected through a cross rod, the cross rod is in threaded connection with a reciprocating lead screw, the reciprocating lead screw is driven by a third motor 50, and the third motor 50 is mounted at the end of the sliding rail 25.
More specifically, the first motor 47, the second motor 48, the third motor 50, and the detection section 6 are all connected to the controller 51.
Example 2:
the same parts in this embodiment as those in embodiment 1 are not described again, but the difference lies in the working process of the balance testing system for a vehicle brake disc of the present invention.
Step one, after equipment is electrified, a central hole of a ventilated brake disc penetrates through the upper end of a main shaft 5, and then the ventilated brake disc is placed on the upper surface of a first flange plate 22 on the main shaft 5;
step two, after a clamping instruction is input to the controller 51, the controller 51 enables the clamping device 21 at the upper end of the instruction main shaft 5 to be matched with a central hole of the ventilated brake disc to clamp the ventilated brake disc;
step three, after a detection instruction is input into the controller 51, the controller 51 instructs the second motor 48 in the balance detection module 1 to operate to drive the main shaft 5 to rotate so as to perform balance detection on the ventilated brake disc, and when the second motor 48 drives the main shaft 5 to rotate so as to perform balance detection on the ventilated brake disc, the detection part 6 in the balance detection module 1 monitors the vibration of the main shaft 5 in the horizontal and vertical directions through a sensor installed in the detection part 6 and transmits a vibration signal to the controller 51 for operation, so that the unbalance amount and the phase of the ventilated brake disc are obtained;
after the balance detection of the ventilated brake disc is completed, the controller 51 instructs the second motor 48 to rotate according to the calculated unbalance amount and the phase to rotate the unbalanced part of the ventilated brake disc to the position facing the de-weight correction module 2, the controller 51 instructs the second motor 48 to stop rotating, and the controller 51 instructs the clamping device 21 to contract and release the ventilated brake disc after the second motor 48 stops rotating;
fifthly, the controller 51 instructs the hydraulic control unit to supply liquid to the annular hydraulic cylinder 11 to drive the support frame 13 to lift the ventilated brake disc;
step six, the controller 51 instructs the linear bearing 43 to move downwards to drive the second flange plate 46 to press the upper surface of the flange plate of the ventilated brake disc;
step seven, the controller 51 instructs the third motor 50 to operate to drive the lead screw to drive the take-up roller 28 mounted on the slide carriage 26 to feed towards the ventilated brake disc along the slide rail 25, and the sealing tape 29 wound on the two take-up rollers 28 after the take-up roller 28 contacts the outer edge of the ventilated brake disc seals the air outlets at the edge of the ventilated brake disc, wherein the covering area of the sealing tape 29 to the air outlets at the edge of the ventilated brake disc is gradually increased with the continuous operation of the third motor 50, and the covering area of the sealing tape 29 to the air outlets of the ventilated brake disc is comprehensively calculated by the controller 51 according to the magnitude and phase of the unbalance amount of the ventilated brake disc;
step eight, the controller 51 instructs the weight removal correction module 2 to approach the part of the ventilated brake disc needing to be milled and removed weight, and the milling cutter 39 is used for milling and removing weight on the edge of the ventilated brake disc;
step nine, when the weight removal correction module 2 mills the ventilated brake disc to remove the weight, the controller 51 instructs the first motor 47 to operate the driving turntable 9 to drive the ventilated brake disc to rotate so as to change the milling arc length of the ventilated brake disc, wherein the controller 51 can control the milling position and the milling depth of the ventilated brake disc by controlling the vertical displacement device 40 and the horizontal displacement device 41;
step ten, after the weight-removing correction of the ventilated brake disc is completed, the controller 51 instructs the linear bearing 43 to drive the second flange 46 to move upwards, and the controller 51 instructs the hydraulic control unit to work and recover the annular hydraulic cylinder 11 to drive the ventilated brake disc to fall to the first flange 22;
and step eleven, repeating the contents of the second step and the third step to perform secondary balance detection on the ventilated brake disc, completing the balance detection of the brake disc if the secondary balance detection result of the brake disc reaches the standard, and repeating the contents of the third step to the tenth step if the secondary balance detection result of the brake disc does not reach the standard until the balance detection result of the ventilated brake disc reaches the standard.
The above description is intended to explain the present invention further and to help understand the method of the present invention and its core idea, not to limit the invention, but to the extent that the invention is defined by the claims, those skilled in the art can make modifications, decorations or changes without departing from the principle of the invention, and also can combine the above technical features in a proper manner, and the invention can be modified in any form without departing from the basic structure of the invention.
Claims (3)
1. A balance test system for a vehicle brake disc comprises a balance detection module, a de-weight correction module and a collection module, and is characterized in that the balance detection module is used for carrying out balance detection on a ventilated brake disc, the de-weight correction module is used for carrying out de-weight on an unbalanced ventilated brake disc in a milling mode, the collection module is used for recovering metal debris which is remained in an air duct of the ventilated brake disc and on the surface of the ventilated brake disc when the ventilated brake disc is milled for de-weight correction, the balance detection module comprises a workbench, a main shaft and a detection part, the workbench comprises a table top and a support, a turntable is arranged on the table top, a controller is further arranged on the table top, a cylinder is arranged on the upper surface of the turntable, the bottom end of the cylinder is connected with the turntable and is provided with an upper opening, an annular hydraulic cylinder is arranged at the center of the turntable, and one end of the annular hydraulic cylinder is connected with the turntable, the annular hydraulic cylinder is connected with the hydraulic control unit, and the hydraulic control unit is connected with the controller to realize the automatic control of the annular hydraulic cylinder by the controller; the cylinder is characterized in that sliding grooves are respectively formed in the quartering parts of the inner wall of the cylinder from top to bottom, a supporting frame is further arranged in the cylinder and comprises a first disc and a second disc, the first disc is located at the upper part, the second disc is located at the lower part, the other end of the annular hydraulic cylinder is connected with the second disc, a web plate is arranged between the first disc and the second disc and located at the quartering parts of the first disc and the second disc, first sliding blocks are arranged on the outer surfaces of the four web plates, the first sliding blocks are matched with the sliding grooves formed in the inner wall of the cylinder, a supporting ring is arranged on the upper surface of the first disc, a sealing gasket is arranged at one end, away from the first disc, of the supporting ring, and the balance detection module further comprises a driving part;
the center of the turntable, the first disc, the second disc and the cylinder is provided with center holes, the main shaft sequentially penetrates through the center holes of the first disc, the second disc, the cylinder, the annular hydraulic cylinder and the turntable from top to bottom, the lower end of the main shaft is connected with a driving part, the driving part is used for driving the main shaft to rotate, the driving part is connected with a detection part, the detection part is used for detecting the vibration of the main shaft in the horizontal and vertical directions, the detection part is installed on a support of a workbench, one end of the main shaft, which is far away from the driving part, is provided with a clamping device, the lower part of the clamping device is provided with a first flange plate, the first flange plate is used for supporting the flange of the ventilated brake disc, the collection module comprises a collection cover, the opening of the collection cover is provided with a clamping component, the clamping component is used for clamping the upper surface and the lower surface of the ventilated brake disc, and the outer surface of the cylinder is symmetrically provided with slide rails, a sliding seat is connected to the sliding rail, a telescopic rod is arranged on the upper surface of the sliding seat, a winding roller is arranged at one end, away from the sliding seat, of the telescopic rod, and a sealing strip is wound on the winding roller;
the collecting cover is connected with the first supporting arm, a weight-removing correction module is arranged in the collecting cover, the clamping assembly comprises a pressing plate, one side of the pressing plate is connected with a sealing strip, the other side of the pressing plate is provided with a connecting rod, one end, away from the pressing plate, of the connecting rod is provided with a second sliding block, the upper side and the lower side of the opening of the collecting cover are symmetrically provided with sliding ways, the second sliding block is positioned in the sliding way, a tensioning spring is arranged in the sliding way, and the tensioning spring is arranged in a cavity formed by the second sliding block and one end of the sliding way;
the de-weight correction module comprises a milling device, the milling device is arranged in the collection cover, the milling device comprises a driving mechanism and a milling cutter, the driving mechanism is connected with a first support arm, the milling cutter is arranged at the lower end of the driving mechanism, the first support arm is connected with a vertical displacement device, the vertical displacement device is connected with a horizontal displacement device, and the horizontal displacement device is arranged on the table top of the workbench;
the utility model discloses a vertical installation of workstation, including workstation, linear bearing, the last second support arm of installing of linear bearing, linear bearing's one end is kept away from to the second support arm is equipped with the montant, the second ring flange is connected to the one end that the second support arm was kept away from to the montant, the second ring flange can be rotatory for the montant, second ring flange lower surface is equipped with seal ring, the inside chamber that holds that is equipped with of second ring flange.
2. The balance testing system for the vehicle brake disc according to claim 1, wherein the de-weighting correction module further comprises a first motor, the driving part comprises a second motor, the first motor and the second motor are both mounted on the workbench, the turntable is driven by the first motor, the spindle is driven by the second motor, and a collecting pipe is arranged on the outer surface of the collecting cover and connected to the high-power dust collector.
3. The balance testing system for a vehicle brake disc according to claim 1, wherein two ends of the sliding base are connected by a cross bar, the cross bar is screwed with a reciprocating lead screw, the reciprocating lead screw is driven by a third motor, and the third motor is mounted at an end of a sliding rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210019122.XA CN114034433B (en) | 2022-01-10 | 2022-01-10 | Balance testing system for vehicle brake disc |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210019122.XA CN114034433B (en) | 2022-01-10 | 2022-01-10 | Balance testing system for vehicle brake disc |
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| CN114034433A CN114034433A (en) | 2022-02-11 |
| CN114034433B true CN114034433B (en) | 2022-03-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117245124B (en) * | 2023-11-20 | 2024-02-06 | 赢信汇通(雅安)智能制造有限公司 | Brake drum dynamic balance adjusting device and adjusting method |
| CN117381036B (en) * | 2023-12-11 | 2024-03-01 | 厦门财鑫科技有限公司 | Milling equipment for S elbow inner groove |
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Denomination of invention: A Balance Testing System for Vehicle Brake Discs Effective date of registration: 20230526 Granted publication date: 20220315 Pledgee: Yantai Branch of China Merchants Bank Co.,Ltd. Pledgor: YANTAI HONGTIAN AUTO PARTS Co.,Ltd. Registration number: Y2023980041729 |