CN114646416A - Full-automatic hub bearing unit torque detection machine - Google Patents
Full-automatic hub bearing unit torque detection machine Download PDFInfo
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- CN114646416A CN114646416A CN202210273668.8A CN202210273668A CN114646416A CN 114646416 A CN114646416 A CN 114646416A CN 202210273668 A CN202210273668 A CN 202210273668A CN 114646416 A CN114646416 A CN 114646416A
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- 238000001514 detection method Methods 0.000 title claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 238000007689 inspection Methods 0.000 claims abstract 6
- 239000000463 material Substances 0.000 claims description 23
- 230000007704 transition Effects 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000007667 floating Methods 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims 7
- 230000001360 synchronised effect Effects 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0042—Force sensors associated with force applying means applying a torque
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0009—Force sensors associated with a bearing
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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
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
Abstract
The application discloses full-automatic wheel hub bearing unit torque detection machine, including the supporting cabinet, the cavity has been seted up in the supporting cabinet, the inner wall that the cavity was seted up to the supporting cabinet is provided with the main workstation, be provided with the detection mechanism who is used for detecting wheel hub bearing unit starting torque and rotatory moment of torsion on the main workstation, the supporting cabinet is provided with the actuating mechanism who is used for driving detection mechanism work, the supporting cabinet is connected with the touch-sensitive screen that is used for showing static torque sensor numerical value, main workstation upper surface rotates and is provided with the rotation axis, servo motor and main workstation fixed connection are used for driving the rotation axis to rotate, the up end fixed connection of frock and rotation axis down. This application realizes the automatic moment of torsion automated inspection to hub bearing unit of equipment through setting up detection mechanism, automatic balance adjustment mechanism etc. and has improved the detection precision of moment of torsion.
Description
Technical Field
The invention relates to the field of hub detection equipment, in particular to a full-automatic hub bearing unit torque detection machine.
Background
The quality of automobile parts directly influences the performance of the whole automobile, and plays a significant role in the safety performance and the comfort performance of the automobile. The wheel hub bearing is an integral component of the motor vehicle, which determines the load that the motor vehicle can support and the accuracy of the directional guidance. In order to reduce the fuel consumption of the automobile and reduce the carbon emission, manufacturers of large hub bearing units also continuously improve the structure of the hub bearing unit and update the material of a sealing element of the product so as to reduce the energy consumption of the hub bearing unit to the running of the automobile. The starting torque and the rotating torque of the hub bearing unit are reduced, so that the energy consumption of an automobile can be better reduced, and the torque of the hub bearing unit needs to be detected in the assembling process.
In the related art, the torque of the hub bearing unit is detected by manually placing the hub bearing unit on a simple tool, fixing an inner flange of the hub bearing unit, rotating an outer flange of the hub bearing by a handheld torque wrench through the tool, and reading a torque value on the torque wrench by a worker while rotating the torque wrench.
In view of the above-mentioned related technologies, the inventor considers that the disadvantage is that it is difficult for a worker to rotate the wrench at a constant speed manually, and the rotation angle is difficult to reach more than 360 degrees, and it is difficult to accurately measure the starting torque and the rotation torque of the hub bearing unit.
Disclosure of Invention
In order to improve the problem that it is difficult to accurately measure the starting torque and the rotation torque of a hub bearing unit in the related art, the application provides a full-automatic hub bearing unit torque detection machine.
The application provides a full-automatic wheel hub bearing unit moment of torsion detects machine adopts following technical scheme:
a full-automatic hub bearing unit torque detection machine comprises a supporting cabinet, wherein a cavity is formed in the supporting cabinet, a main workbench is arranged on the inner wall of the supporting cabinet, the cavity is formed in the inner wall of the supporting cabinet, a detection mechanism for detecting the starting torque and the rotating torque of a hub bearing unit is arranged on the main workbench, the supporting cabinet is provided with a driving mechanism for driving the detection mechanism to work, the detection mechanism comprises a first auxiliary workbench, a servo motor, an upper tool, a lower tool for driving a flange in the hub bearing unit to rotate and a vertically arranged stroke-adjustable cylinder, the stroke-adjustable cylinder is connected with an adjusting bolt for adjusting the extension amount of a piston rod of the cylinder, a plurality of bearing stand columns are arranged on the upper surface of the main workbench, one ends, far away from the main workbench, of the bearing stand columns are connected with the first auxiliary workbench, and the stroke-adjustable cylinder is fixedly connected with the first auxiliary workbench, go up the frock and be connected with the spacer pin that is arranged in inserting the outer flange bolt hole of wheel hub bearing unit, the vertical setting of spacer pin, first auxiliary work platform has seted up the confession the piston rod male through-hole of the adjustable cylinder of stroke, the adjustable cylinder of stroke is used for the drive go up the frock and reciprocate, it is connected with the static torque sensor who is used for detecting wheel hub bearing unit moment of torsion to go up the frock, the supporting cabinet is provided with the touch-sensitive screen that is used for showing wheel hub bearing unit testing result, main workstation upper surface rotates and is provided with the rotation axis, main workstation is seted up and is supplied rotation axis male through-hole, servo motor with main workstation fixed connection is used for the drive the rotation axis rotates, down the frock with the up end fixed connection of rotation axis.
Through adopting above-mentioned technical scheme, the staff has set up static moment of torsion and dynamic moment of torsion earlier through the touch-sensitive screen, then will wait to detect the wheel hub bearing unit of moment of torsion and place on the frock down, actuating mechanism drive stroke adjustable cylinder work, the piston rod of stroke adjustable cylinder moves down, it moves down to drive the frock, the spacer pin inserts in the bolt hole of wheel hub bearing unit outer flange, thereby it is spacing to the outer flange circumference of wheel hub bearing unit, then servo motor starts, the frock is rotatory under the drive, lower frock drives wheel hub bearing unit inner flange and rotates, then static torque sensor comes out and shows through the touch-sensitive screen with the static moment of torsion and the dynamic moment of torsion measurement of wheel hub bearing unit, the wheel hub bearing unit torque value that measures is more accurate.
Optionally, an output end of the piston rod of the stroke-adjustable cylinder is connected with a floating joint, one end, far away from the stroke-adjustable cylinder, of the floating joint is connected with a second auxiliary workbench, the second auxiliary workbench slides up and down relative to the first auxiliary workbench, the second auxiliary workbench is fixedly connected with a vertically arranged cylindrical shaft, the first auxiliary workbench is connected with a linear bearing matched with the cylindrical shaft, and the cylindrical shaft is inserted into the linear bearing and is in sliding connection with the linear bearing.
Through adopting above-mentioned technical scheme, the cylinder axle slides from top to bottom in inserting the linear bearing, and the linear bearing has further guide effect to the cylinder axle for the in-process second auxiliary worktable removal that the adjustable cylinder of stroke extended and shortened is more stable, and the floating joint has the effect of buffering.
Optionally, an automatic balancing device is connected to the bottom of the second auxiliary workbench, the automatic balancing device includes a transition flat plate, a fixed core block and a plurality of equal-height bolts, the transition flat plate is horizontally disposed, through holes for the equal-height bolts to be inserted into are respectively formed in the second auxiliary workbench and the transition flat plate, the equal-height bolts are fixed by nuts after being inserted into the second auxiliary workbench and the transition flat plate, the equal-height bolts are respectively sleeved with a first cylindrical helical compression spring, one end of the first cylindrical helical compression spring is abutted against the upper surface of the transition flat plate, the other end of the first cylindrical helical compression spring is abutted against the lower surface of the second auxiliary workbench, the fixed core block is connected with the second auxiliary workbench and is located at the bottom of the second auxiliary workbench, a steel ball is arranged at the center of the transition flat plate, and the steel ball is located between the fixed core block and the transition flat plate, the transition flat plate and the second auxiliary worktable are both provided with grooves matched with the steel balls.
Through adopting above-mentioned technical scheme, when waiting to detect the wheel hub bearing unit and have the difference in height, when the piston rod of the adjustable cylinder of stroke extended, higher one side will upwards jack-up the transition flat board and compress the first cylinder helical compression spring that corresponds, and the equal altitude bolt of relevant position slides upwards relatively the second auxiliary work platform simultaneously for go up the upper surface that the laminating that the frock can be better waits to detect wheel hub bearing unit outer flange, and each part atress of outer flange is more even.
Optionally, the limiting pin is connected with an automatic hole aligning mechanism for rapidly positioning the outer flange of the hub bearing unit.
By adopting the technical scheme, after the worker fixes the hub bearing unit to be detected on the lower tool, the hole aligning mechanism automatically enables the upper tool to be faster and circumferentially limit the outer flange of the hub bearing unit, and the working efficiency is improved.
Optionally, the automatic hole aligning mechanism comprises a plurality of pre-tightening bolts and a second cylindrical helical compression spring, the upper tool is provided with a through hole for inserting the pre-tightening bolts, one end of the second cylindrical helical compression spring is connected with the pre-tightening bolts, and the other end of the second cylindrical helical compression spring is connected with the limit pin.
Through adopting above-mentioned technical scheme, after the interior flange of wheel hub bearing unit is fixed with lower frock, compress the outer flange that second cylinder helical compression spring made the spacer pin insert wheel hub bearing unit more easily.
Optionally, the stroke-adjustable cylinder is connected with an upper limit magnetic photoelectric switch and a lower limit magnetic photoelectric switch, the upper limit magnetic photoelectric switch and the lower limit magnetic photoelectric switch are both oriented to the piston rod of the stroke-adjustable cylinder, the upper limit magnetic photoelectric switch and the lower limit magnetic photoelectric switch are connected with the servo motor, when the piston rod of the stroke-adjustable cylinder is located in the detection range of the lower limit magnetic photoelectric switch, the servo motor starts to work, and when the stroke-adjustable cylinder is contracted and reset, the upper limit magnetic photoelectric switch does not detect the piston rod, the whole equipment is stopped.
By adopting the technical scheme, when the stroke-adjustable air cylinder extends, the cylinder shaft is driven to move downwards, the lower limit magnetic photoelectric switch detects that the piston rod of the stroke-adjustable air cylinder is located at the lower limit position, a starting signal is transmitted to the servo motor, the servo motor starts to work and drives the lower tool to rotate, after detection is finished, the servo motor is controlled to stop rotating, then the piston rod of the stroke-adjustable air cylinder returns, the upper limit magnetic photoelectric switch detects that the piston rod of the stroke-adjustable air cylinder is located at the upper limit position, a work cycle is finished, and when the upper limit magnetic photoelectric switch does not detect that the piston rod forming the adjustable air cylinder returns to the upper limit position, the upper limit magnetic photoelectric switch transmits a signal to stop working of the machine.
Optionally, the supporting cabinet is provided with automatic switch, be provided with the material of level setting on the main workstation and examine photoelectric switch, the material examine photoelectric switch with actuating mechanism is connected, the sense terminal orientation of material examine photoelectric switch frock down, when the material examine photoelectric switch detect wheel hub bearing unit and be located the detection range of material examine photoelectric switch and when starting automatic switch, actuating mechanism begins work and drives the piston rod of the adjustable cylinder of stroke and move down.
By adopting the technical scheme, when a worker fixes the hub bearing unit and the lower tool, the material detection photoelectric switch transmits a signal to the driving mechanism and controls the piston rod of the stroke-adjustable cylinder to operate, and when the piston rod of the stroke-adjustable cylinder moves to the position of the lower limit magnetic photoelectric switch, the lower limit magnetic photoelectric switch transmits a starting signal to the servo motor, so that the labor intensity of the worker is further reduced.
Optionally, a safety grating is arranged on the inner wall of the supporting cabinet, which is provided with the cavity, the safety grating is vertically arranged, a light emitter of the safety grating is located on one side of the detection mechanism, a receiver of the safety grating is located on the other side of the detection mechanism, the safety grating is connected with the driving mechanism, and when an object enters the detection mechanism, the driving mechanism stops working.
Through adopting above-mentioned technical scheme, the staff will wait to detect wheel hub bearing unit and place down the frock on fixed back, just can begin work when the staff leaves detection area actuating mechanism and servo motor, improved staff's security.
In summary, the present application includes at least one of the following benefits:
1. the staff will wait to detect the wheel hub bearing unit of moment of torsion and place on lower frock, then actuating mechanism drive stroke adjustable cylinder work, the piston rod of stroke adjustable cylinder moves down, the frock moves down in the drive, the spacer pin inserts in the bolt hole of wheel hub bearing unit outer flange, thereby it is spacing to the outer flange circumference of wheel hub bearing unit, then servo motor starts, the frock is rotatory under the drive, lower frock drives wheel hub bearing unit inner flange and rotates, then static torque sensor comes out and shows through the touch-sensitive screen with the static torque measurement of wheel hub bearing unit, the wheel hub bearing unit torque value that the measurement came out is more accurate.
2. When there is the difference in height in the wheel hub bearing unit that awaits measuring, when the piston rod of the adjustable cylinder of stroke extends, higher one side will be upwards jack-up the transition flat board and will correspond first cylinder helical compression spring compression, and the equal altitude bolt of relevant position slides upwards relatively the second auxiliary work platform simultaneously for go up the upper surface that the laminating that the frock can be better awaits measuring wheel hub bearing unit outer flange, and each part atress of outer flange is more even.
3. And the full-automatic system control is adopted, so that the torque detection value of the hub bearing unit is more accurate, and the labor intensity of workers is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a full-automatic hub bearing unit torque detection machine according to an embodiment of the present application.
Fig. 2 is an enlarged schematic view at a in fig. 1.
FIG. 3 is a schematic structural diagram of a detection mechanism of a torque detector of a full-automatic hub bearing unit according to an embodiment of the present application.
Description of reference numerals: 1. a support cabinet; 2. a cavity; 3. a main work table; 4. a detection mechanism; 5. a drive mechanism; 6. a first auxiliary table; 7. a servo motor; 8. assembling a tool; 9. a lower tool; 10. a stroke-adjustable cylinder; 11. a load bearing column; 12. a second auxiliary table; 13. a spacing pin; 14. a static torque sensor; 15. an industrial personal computer; 16. a rotating shaft; 17. a floating joint; 18. a third auxiliary worktable; 19. a cylindrical shaft; 20. a linear bearing; 21. a transition plate; 22. fixing a core block; 23. equal-height bolts; 24. a first cylindrical helical compression spring; 25. a steel ball; 26. a groove; 27. an automatic hole aligning mechanism; 28. pre-tightening the bolts; 29. a second cylindrical helical compression spring; 30. a material detection photoelectric switch; 31. a safety grating; 32. a synchronous belt; 33. an LED lighting lamp; 34. storing the material level to be detected; 35. discharging and storing the material level; 36. a storage level to be treated; 37. a tool to be detected; 38. discharging tooling; 39. an upper limit magnetic photoelectric switch; 40. a lower limit magnetic photoelectric switch; 41. automatic switching; 42. a touch screen; 43. a three-color indicator light; 44. an automatic balancing device; 45. an auxiliary plate; 46. a main shaft outer sleeve; 47. a primary timing pulley; 48. a secondary timing pulley; 49. an air pressure regulating valve; 50. a pneumatic solenoid valve set; 51. and adjusting the bolt.
Detailed Description
The present application is described in further detail below with reference to fig. 1 through 3.
The embodiment of the application discloses full-automatic wheel hub bearing unit moment of torsion detects machine. Referring to fig. 1, full-automatic wheel hub bearing unit torque detection machine includes semi-enclosed supporting cabinet 1, cavity 2 has been seted up in supporting cabinet 1, and supporting cabinet 1 dead ahead opening is used for making things convenient for the staff to operate, the fixed main workstation 3 that is provided with of inner wall that cavity 2 was seted up to supporting cabinet 1, be provided with on the main workstation 3 and be used for detecting wheel hub bearing unit starting torque and rotary torque's detection mechanism 4, the inner wall that cavity 2 was seted up to supporting cabinet 1 still is provided with LED light 33, the top that LED light 33 is located detection mechanism 4 is used for providing the light source when detection mechanism 4 detects, supporting cabinet 1 internal fixation is provided with actuating mechanism 5 that is used for driving detection mechanism 4 work.
Refer to fig. 1, the fixed storage position 34 of waiting to examine that is used for placing and waits to detect wheel hub bearing unit of supporting cabinet 1 left side lateral wall, supporting cabinet 1 still is connected with and is used for waiting to examine the spacing frock 37 of examining of wheel hub bearing unit, supporting cabinet 1 right side lateral wall is fixed to be provided with and is used for placing qualified wheel hub bearing unit's ejection of compact storage position 35 and is used for waiting to examine the spacing ejection of compact frock 38 of qualified wheel hub bearing unit, supporting cabinet 1 right side lateral wall still is fixed to be provided with the pending storage position 36 that is used for placing unqualified product, pending storage position 36 is connected with the photoelectric switch support, the photoelectric switch leg joint has count photoelectric switch, supporting cabinet 1 lateral wall is connected with touch-sensitive screen 42, touch-sensitive screen 42 top is connected with tristimulus designation lamp 43.
Referring to fig. 1 and 2, the detection mechanism 4 includes a first auxiliary workbench 6, a servo motor 7, an upper tool 8, a stroke-adjustable cylinder 10 for driving a lower tool 9 and a vertically-arranged stroke-adjustable cylinder 10 for driving the flange rotation in the hub bearing unit, the stroke-adjustable cylinder 10 is connected with an adjusting bolt 51 for controlling the elongation of the piston rod, the upper surface of the main workbench 3 is provided with four bearing columns 11, the bearing columns 11 are vertically arranged, one ends of the bearing columns 11 far away from the main workbench 3 are all connected with the lower surface of the first auxiliary workbench 6, and the driving mechanism 5 is an air pressure regulating valve 49 and a pneumatic electromagnetic valve set 50 for controlling the work of the air pressure regulating valve 49. The model of the air pressure regulating valve 49 used in the embodiment of the application is Airtac-AFR-2000M, the stroke-adjustable air cylinder 10 is fixedly connected with the first auxiliary workbench 6, the upper tool 8 is connected with a limit pin 13 for inserting into a bolt hole of an outer flange of a hub bearing unit, the limit pin 13 is vertically arranged, in the application, the limit pin 13 is a ball head limit pin, the first auxiliary workbench 6 is provided with a through hole for inserting a piston rod of the stroke-adjustable air cylinder 10, the output end of the piston rod of the stroke-adjustable air cylinder 10 is connected with a floating joint 17, one end of the floating joint 17 far away from the stroke-adjustable air cylinder 10 is connected with the second auxiliary workbench 12, the second auxiliary workbench 12 is fixedly provided with four cylindrical shafts 19, the first auxiliary workbench 6 is fixedly provided with a linear bearing 20 for inserting and sliding the cylindrical shafts 19, the cylindrical shafts 19 are all vertically arranged, the bottom of the second auxiliary workbench 12 is fixedly connected with an automatic balance regulating device 44, automatic balancing unit 44's bottom fixedly connected with is used for detecting the static torque sensor 14 of wheel hub bearing unit moment of torsion, static torque sensor 14's model is the general science and technology TQ-664F25Nm in this application, be connected with the industrial computer 15 on the supporting cabinet 1, static torque sensor 14 keeps away from the one end fixedly connected with auxiliary plate 45 of automatic balancing unit 44, auxiliary plate 45 and last frock 8 fixed connection, it is connected with the automation that is used for fixing a position the wheel hub bearing unit outer flange fast to the hole mechanism 27 to go up frock 8.
Referring to fig. 1 and 3, a main spindle sleeve 46 is fixedly connected to the main workbench 3, a through hole for inserting the main spindle sleeve 46 is formed in the main workbench 3, the main spindle sleeve 46 is rotatably connected with a rotating shaft 16, a through hole for inserting the rotating shaft 16 is formed in the main spindle sleeve, an upper end face of the rotating shaft 16 is fixedly connected with the lower tool 9, a third auxiliary workbench 18 is fixedly connected to a bottom wall of the main workbench 3, a servo motor 7 is fixedly connected with the third auxiliary workbench 18, a main synchronous pulley 47 is fixedly sleeved on an output shaft of the servo motor 7, a slave synchronous pulley 48 is fixedly sleeved on the rotating shaft 16, and the main synchronous pulley 47 and the slave synchronous pulley 48 synchronously rotate through a synchronous belt 32.
Referring to fig. 1 and 2, the automatic balancing device 44 includes a fixed core block 22, four vertically arranged equal-height bolts 23, and a horizontally arranged transition flat plate 21, the fixed core block 22 is fixedly connected with the second auxiliary worktable 12, a steel ball 25 is arranged between the transition flat plate 21 and the fixed core block 22, both the transition flat plate 21 and the fixed core block 22 are provided with grooves 26 matched with the steel ball 25, and the bottom of the transition flat plate 21 is connected with the static torque sensor 14.
Referring to fig. 1 and 2, the automatic hole aligning mechanism 27 includes a pre-tightening bolt 28 and a second cylindrical helical compression spring 29, a through hole for inserting the pre-tightening bolt 28 is formed in the upper tool 8, one end of the second cylindrical helical compression spring 29 is connected with the pre-tightening bolt 28, the other end of the second cylindrical helical compression spring is connected with the limit pin 13, in the embodiment of the present application, four limit pins 13 are provided, and four automatic hole aligning mechanisms 27 are provided and are located at four corners of the upper tool 8 respectively.
Referring to fig. 1 and 3, the stroke-adjustable cylinder 10 is connected with a horizontally-arranged upper limit magnetic photoelectric switch 39 and a horizontally-arranged lower limit magnetic photoelectric switch 40, the upper limit magnetic photoelectric switch 39 and the lower limit magnetic photoelectric switch 40 are Airtac-DMSGT020 in the present application, the upper limit magnetic photoelectric switch 39 is located on the top of the lower limit magnetic photoelectric switch 40, the upper limit magnetic photoelectric switch 39 and the lower limit magnetic photoelectric switch 40 both face the piston rod of the stroke-adjustable cylinder 10, the upper limit magnetic photoelectric switch 39 is connected with the driving mechanism 5 through a controller, the lower limit magnetic photoelectric switch 40 is connected with the servo motor 7 through a controller, the servo motor 7 starts to work when the piston rod of the stroke-adjustable cylinder 10 is located in the detection range of the lower limit magnetic photoelectric switch 40, after the detection is finished, if the upper limit magnetic photoelectric switch 39 does not detect that the piston rod of the stroke-adjustable cylinder 10 retreats to the upper limit position, the upper limit magnetic photoelectric switch 39 enables the driving mechanism 5 to pause the transmission through the industrial personal computer 15, and the safety of the detection work is further ensured. Supporting cabinet 1 fixedly connected with is used for controlling the automatic switch 41 of 5 work of actuating mechanism and stops, be provided with the material of level setting on the main work platform 3 and examine photoelectric switch 30, the model of material examine photoelectric switch 30 in this application is Panasonic-CX-441, material examine photoelectric switch 30 and be connected with actuating mechanism 5 through the controller, material examine photoelectric switch 30's sense terminal frock 9 down, when material examine photoelectric switch 30 detect that the wheel hub bearing unit is located the detection scope of material examine photoelectric switch 30 and open automatic switch 41, actuating mechanism 5 begins work and drives the piston rod of stroke adjustable cylinder 10 and move down. The inner wall of the supporting cabinet 1, which is provided with the cavity 2, is further provided with a vertically arranged safety grating 31, in the present application, the type of the safety grating 31 is Zhonghushi NA25S-16, a light emitter of the safety grating 31 is positioned at one side of the detection mechanism 4, a receiver of the safety grating 31 is positioned at the other side of the detection mechanism 4, the safety grating 31 is connected with the driving mechanism 5 through a controller, and when an object enters the detection mechanism 4, the driving mechanism 5 stops working.
The implementation principle of the full-automatic hub bearing unit torque detection machine in the embodiment of the application is as follows: the staff inputs the starting torque parameter of product, the rotation torque parameter at first at touch-sensitive screen 42, servo motor 7 parameter and the rotatory parameter of product, then open starting switch, the staff places the wheel hub bearing unit that awaits measuring on frock 9 down, and fix frock 9 and the inner flange of wheel hub bearing unit down, material detection photoelectric switch 30 detects the wheel hub bearing unit on frock 9 down this moment, safety grating 31 and material detection photoelectric switch 30 transmit the start signal to pneumatic solenoid valve group simultaneously when the staff leaves detection mechanism 4, control air pressure regulating valve 49 drive stroke adjustable cylinder 10 work, equipment gets into automatic operation's operating condition. The piston rod of the stroke-adjustable cylinder 10 moves downwards, the extension amount of the piston rod of the stroke-adjustable cylinder 10 is controlled through the adjusting bolt 51, the upper tool 8 is made to just cling to the upper end face of the outer flange of the hub bearing unit, and when the piston rod of the stroke-adjustable cylinder 10 is located at the lower limit position, the lower limit magnetic photoelectric switch 40 controls the servo motor 7 to start working through the industrial personal computer 15. The servo motor 7 drives the primary synchronous belt pulley 47 to rotate, the primary synchronous belt pulley 47 drives the synchronous belt 32 and the secondary synchronous belt pulley 48 to rotate, the secondary synchronous belt pulley drives the rotating shaft 16 to rotate, and the rotating shaft 16 drives the lower tool 9 and the inner flange of the hub bearing unit to work. According to 16 rotation turns of rotation of the rotation axis and the starting torque and the rotation torque that torque sensor gathered that the touch-sensitive screen 42 set for, industrial computer 15 carries out calculation analysis and demonstration final testing result to data, when testing result meets the requirements, the staff places wheel hub bearing unit on ejection of compact frock 38, when testing result meets the requirements, the staff places wheel hub bearing unit in pending storage position 36, the last quantity increase condition of showing the product in pending storage position 36 of touch-sensitive screen 42.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a full-automatic wheel hub bearing unit moment of torsion detects machine, includes supporting cabinet (1), cavity (2) have been seted up in supporting cabinet (1), the inner wall that cavity (2) were seted up in supporting cabinet (1) is provided with main workstation (3), its characterized in that: the wheel hub bearing unit starting torque detection device is characterized in that a detection mechanism (4) used for detecting the starting torque and the rotating torque of a wheel hub bearing unit is arranged on the main workbench (3), the supporting cabinet (1) is provided with a driving mechanism (5) used for driving the detection mechanism (4) to work, the detection mechanism (4) comprises a first auxiliary workbench (6), a servo motor (7), an upper tool (8), a lower tool (9) used for driving a flange in the wheel hub bearing unit to rotate and a vertically arranged stroke-adjustable cylinder (10), the stroke-adjustable cylinder (10) is connected with an adjusting bolt (51) used for adjusting the extension amount of a piston rod of the cylinder, a plurality of bearing stand columns (11) are arranged on the upper surface of the main workbench (3), one ends, far away from the main workbench (3), of the bearing stand columns (11) are connected with the first auxiliary workbench (6), and the stroke-adjustable cylinder (10) is fixedly connected with the first auxiliary workbench (6), the upper tool (8) is connected with a limiting pin (13) used for being inserted into a flange bolt hole outside the hub bearing unit, the limiting pin (13) is vertically arranged, the first auxiliary workbench (6) is provided with a through hole for inserting a piston rod of the stroke-adjustable cylinder (10), the stroke-adjustable cylinder (10) is used for driving the upper tool (8) to move up and down, the upper tool (8) is connected with a static torque sensor (14) used for detecting the torque of the hub bearing unit, the supporting cabinet (1) is provided with a touch screen (42) used for displaying the detection result of the hub bearing unit, the upper surface of the main workbench (3) is rotatably provided with a rotating shaft (16), the main workbench (3) is provided with a through hole for inserting the rotating shaft (16), the servo motor (7) is fixedly connected with the main workbench (3) and used for driving the rotating shaft (16) to rotate, the lower tool (9) is fixedly connected with the upper end face of the rotating shaft (16).
2. The full-automatic hub bearing unit torque detection machine according to claim 1, characterized in that: the output end of the piston rod of the stroke-adjustable cylinder (10) is connected with a floating joint (17), one end, far away from the stroke-adjustable cylinder (10), of the floating joint (17) is connected with a second auxiliary workbench (12), the second auxiliary workbench (12) slides up and down relative to the first auxiliary workbench (6), the second auxiliary workbench (12) is fixedly connected with a vertically-arranged cylindrical shaft (19), the first auxiliary workbench (6) is connected with a linear bearing (20) matched with the cylindrical shaft (19), and the cylindrical shaft (19) is inserted into the linear bearing (20) and is in sliding connection with the linear bearing (20).
3. The full-automatic hub bearing unit torque detection machine according to claim 2, characterized in that: the bottom of the second auxiliary workbench (12) is connected with an automatic balancing device (44), the automatic balancing device (44) comprises a transition flat plate (21), a fixed core block (22) and a plurality of equal-height bolts (23), the transition flat plate (21) is horizontally arranged, through holes for the equal-height bolts (23) to insert are formed in the second auxiliary workbench (12) and the transition flat plate (21), the equal-height bolts (23) are inserted into the second auxiliary workbench (12) and the transition flat plate (21) and then fixed through nuts, first cylindrical spiral compression springs (24) are sleeved on the equal-height bolts (23), one ends of the first cylindrical spiral compression springs (24) are abutted against the upper surface of the transition flat plate (21), the other ends of the first cylindrical spiral compression springs (24) are abutted against the lower surface of the second auxiliary workbench (12), the fixed core block (22) is connected with the second auxiliary workbench (12) and is positioned at the bottom of the second auxiliary workbench, a steel ball (25) is arranged at the center of the transition flat plate (21), the steel ball (25) is positioned between the fixed core block (22) and the transition flat plate (21), and grooves (26) matched with the steel ball (25) are formed in the transition flat plate (21) and the second auxiliary workbench (12).
4. The full-automatic hub bearing unit torque detection machine according to claim 1, characterized in that: the upper tool (8) is connected with an automatic hole aligning mechanism (27) for rapidly positioning the outer flange of the hub bearing unit.
5. The full-automatic hub bearing unit torque detection machine according to claim 4, characterized in that: the automatic hole aligning mechanism (27) comprises a plurality of pre-tightening bolts (28) and a second cylindrical helical compression spring (29), a through hole for inserting the pre-tightening bolt (28) is formed in the upper tool (8), one end of the second cylindrical helical compression spring (29) is connected with the pre-tightening bolt (28), and the other end of the second cylindrical helical compression spring (29) is connected with the limiting pin (13).
6. The full-automatic hub bearing unit torque detection machine according to claim 2, characterized in that: the adjustable air cylinder (10) of stroke is connected with the spacing magnetism photoelectric switch of upper limit (39) that the level set up and the spacing magnetism photoelectric switch of lower limit (40) that the level set up, spacing magnetism photoelectric switch of upper limit (39) and the spacing magnetism photoelectric switch of lower limit (40) all face towards the piston rod of the adjustable air cylinder of stroke (10), spacing magnetism photoelectric switch of upper limit (39) and lower limit (40) with servo motor (7) are connected, and when the piston rod of the adjustable air cylinder of stroke (10) is located during the detection range of spacing magnetism photoelectric switch of lower limit (40), servo motor (7) begin work, works as when the adjustable air cylinder of stroke (10) shrink when reseing, when the piston rod was not detected to spacing magnetism photoelectric switch of upper limit (39), whole equipment shut down.
7. The full-automatic hub bearing unit torque detection machine according to claim 1, characterized in that: supporting cabinet (1) is provided with automatic switch (41), be provided with material inspection photoelectric switch (30) that the level set up on main workstation (3), material inspection photoelectric switch (30) with actuating mechanism (5) are connected, the sense terminal orientation of material inspection photoelectric switch (30) frock (9) down detects when material inspection photoelectric switch (30) and detects that wheel hub bearing unit is located when the detection scope of material inspection photoelectric switch (30) is interior and start automatic switch (41), actuating mechanism (5) begin work and drive the piston rod of stroke adjustable cylinder (10) and move downwards.
8. The full-automatic hub bearing unit torque detection machine according to claim 1, characterized in that: the inner wall of the supporting cabinet (1) provided with the cavity (2) is provided with a safety grating (31), the safety grating (31) is vertically arranged, a light emitter of the safety grating (31) is located on one side of the detection mechanism (4), a receiver of the safety grating (31) is located on the other side of the detection mechanism (4), the safety grating (31) is connected with the driving mechanism (5), and when an object enters the detection mechanism (4), the driving mechanism (5) stops working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210273668.8A CN114646416A (en) | 2022-03-19 | 2022-03-19 | Full-automatic hub bearing unit torque detection machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210273668.8A CN114646416A (en) | 2022-03-19 | 2022-03-19 | Full-automatic hub bearing unit torque detection machine |
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| CN114646416A true CN114646416A (en) | 2022-06-21 |
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| CN202210273668.8A Pending CN114646416A (en) | 2022-03-19 | 2022-03-19 | Full-automatic hub bearing unit torque detection machine |
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| CN103182640A (en) * | 2013-03-22 | 2013-07-03 | 海宁奥通汽车零件有限公司 | Bolt pressing and fitting machine for full-automatic numerical control hub bearing unit |
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2022
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| CN103182640A (en) * | 2013-03-22 | 2013-07-03 | 海宁奥通汽车零件有限公司 | Bolt pressing and fitting machine for full-automatic numerical control hub bearing unit |
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