CN113059351B - EPS full-automatic centering pin knocking machine and working method thereof - Google Patents
EPS full-automatic centering pin knocking machine and working method thereof Download PDFInfo
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- CN113059351B CN113059351B CN202110545250.3A CN202110545250A CN113059351B CN 113059351 B CN113059351 B CN 113059351B CN 202110545250 A CN202110545250 A CN 202110545250A CN 113059351 B CN113059351 B CN 113059351B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/04—Devices for boring or drilling centre holes in workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0952—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining
- B23Q17/0957—Detection of tool breakage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
Abstract
An EPS full-automatic centering pin driver and a working method thereof comprise a rotary table with six stations, an index plate arranged at the bottom of the rotary table and used for driving the rotary table to rotate, a clamping mechanism arranged on the rotary table and used for clamping a workpiece, a first centering lifting mechanism arranged on a centering operation station, a first electric drilling power head arranged on a center hole drilling operation station, a second electric drilling power head and a broken cutter detection mechanism arranged on a drilling operation station, a third electric drilling power head and a broken cutter detection mechanism arranged on a reaming operation station, a pin pressing mechanism arranged on a pin pressing operation station and a second centering lifting mechanism arranged on a detection operation station. The invention relates to 6-station automatic equipment which respectively performs centering operation, center hole drilling operation, reaming operation, pin pressing operation and detection operation on a torsion bar, can realize broken cutter detection, gear shaft torsion bar sub-assembly tracing, batch code scanning of an input shaft and cylindrical pins, pressure displacement monitoring of the cylindrical pins and unqualified products in the assembling process.
Description
Technical Field
The invention relates to a pin pressing machine, in particular to an EPS (expandable polystyrene) full-automatic centering pin knocking machine and a working method thereof.
Background
EPS is an abbreviation of Electric Power Steering in english. An electric power steering system is the development direction of an automobile steering system. The system directly provides steering power by the electric power-assisted machine, saves a power steering oil pump, a hose, hydraulic oil, a conveyor belt and a belt pulley arranged on an engine which are necessary for a hydraulic power steering system, saves energy and protects the environment.
The EPS is mainly composed of a torque sensor, a vehicle speed sensor, a motor, a reduction mechanism, an Electronic Control Unit (ECU), and the like. The sensor detects the torque or the rotation angle and the direction of a steering wheel of a driver during steering operation, required information is converted into digital signals to be input into the control unit, the control unit calculates the signals to obtain a torque which is suitable for the driving condition, and finally, an instruction is sent to drive the motor to work, and the output torque of the motor is assisted by the action of the transmission device. The torque sensor is therefore one of the most important devices in EPS systems. The torque sensors are of various types, mainly including potentiometer type torque sensors, torque sensors of metal resistance strain gauges, non-contact type torque sensors and the like, and with the technical progress, sensors with higher precision and lower cost appear.
The torsion bar type torque sensor mainly comprises a torsion bar spring, a corner-displacement converter and a potentiometer. The torsion bar spring mainly functions to detect the torque applied to the steering wheel by the driver and convert the torque into a corresponding turning angle value. When the steering wheel is turned, torque is transmitted to the torsion bar, the input shaft is deviated from the output shaft, and the torque signal is converted into a voltage signal by the angle-displacement converter. The torsion bar is an important part of the whole torsion bar torque sensor, the torsion bar is connected with a steering wheel shaft through a thin tooth-shaped involute spline, and the other end of the torsion bar is connected with a steering output shaft through a radial pin. Therefore, assembly and pinning between the torsion bar and the input and output shafts is critical.
The torsion bar is an important part of the whole torsion bar sensor, and the output of the torsion bar sensor is different from the corresponding output of the torsion bar sensor due to the structural characteristics of the torsion bar sensor. In the prior art, a gear shaft torsion bar can be installed by positioning an input shaft, a certain forward and reverse torsion force is applied to a gear shaft torsion bar sub-assembly, and drilling, pinning and fixing are performed after automatic centering. The existing equipment can only realize that machinery finds the centering position of the torsion bar and beats a pin, cannot realize electrical centering, and cannot detect whether the centering position is correct.
Disclosure of Invention
The invention aims to solve the technical problem of providing an EPS (expandable polystyrene) full-automatic centering and pin-punching machine and a working method thereof, which can realize full-automatic operation and add mechanical centering and electrical centering on the basis of original equipment.
In order to solve the technical problem, the technical scheme of the invention is as follows: an EPS full-automatic centering pin driver comprises a rotary disc with six stations, an index plate arranged at the bottom of the rotary disc and used for driving the rotary disc to rotate, a clamping mechanism arranged on the rotary disc and used for clamping a workpiece, a first centering lifting mechanism arranged on a centering operation station, a first electric drilling power head arranged on a center hole drilling operation station, a second electric drilling power head and a broken cutter detection mechanism arranged on a drilling operation station, a third electric drilling power head and a broken cutter detection mechanism arranged on a reaming operation station, a pin pressing mechanism arranged on a pin pressing operation station and a second centering lifting mechanism arranged on a detection operation station; the clamping mechanism comprises an upper clamping mechanism and a lower clamping mechanism, the upper clamping mechanism comprises an installation seat arranged on the turntable, the installation seat is provided with six installation surfaces, guide rails vertically arranged are arranged on the installation surfaces, a chuck fixing seat matched with the guide rails, a fixed chuck arranged on the chuck fixing seat, a lifting driving cylinder used for driving the chuck fixing seat to lift, a limiting seat used for limiting the stroke of the chuck fixing seat, a fixed mandrel arranged on the chuck fixing seat and positioned above the fixed chuck, and a pressing cylinder arranged above the fixed mandrel; the lower clamping mechanism comprises six hydraulic clamping discs fixed on the edge of the rotary table, the hydraulic clamping discs correspond to the fixed chucks one by one, and each hydraulic clamping disc comprises an elastic chuck, a workpiece positioning sleeve arranged in the elastic chuck, a piston arranged outside the elastic chuck and a cylinder body matched with the piston; first accent rises lead screw elevating system that mechanism centering detection subassembly and drive centering detection subassembly go up and down, centering detection mechanism from up including first servo motor, first speed reducer, first shaft coupling, torque sensor, second shaft coupling, encoder, pivot, transition axle and centering chuck down in proper order, first servo motor can drive the centering chuck rotatory.
As an improvement, the pin pressing mechanism comprises a workpiece sheath, a pressure head sleeve, an ejector pin capable of penetrating through the pressure head sleeve and being inserted into the workpiece sheath, a guide shaft connected with the ejector pin, an inner guide sleeve sleeved outside the guide shaft, an outer guide sleeve in sliding fit with the inner guide sleeve and an oil cylinder, wherein an output shaft of the oil cylinder is connected with the guide shaft through a pressure sensor.
As an improvement, the press pin mechanism is connected with the press pin driving mechanism, the press pin driving mechanism comprises a mounting plate, an L-shaped sliding plate in sliding fit with the mounting plate, a fixing plate in sliding fit with the L-shaped sliding plate, a lifting cylinder for driving the L-shaped sliding plate to lift, and a press pin cylinder fixed on the L-shaped sliding plate and used for driving the mounting plate, and the press pin mechanism is fixed on the mounting plate.
As an improvement, a pin inlet is formed in the fixing plate and corresponds to a feeding hole in the pressure head sleeve.
As an improvement, the broken cutter detection mechanism comprises a fixed frame, a movable frame hinged with the fixed frame, a detection head arranged on the movable frame and a driving cylinder for driving the movable frame to rotate.
As an improvement, the screw rod lifting mechanism comprises a sliding plate, a screw rod, a nut seat matched with the screw rod and connected with the sliding plate, a second speed reducer connected with the screw rod and a second servo motor driving the second speed reducer, and the centering detection assembly is fixed on the sliding plate.
The working method of the invention comprises the following steps:
(1) centering operation: the workpiece information is read by scanning the two-dimensional code through the workpiece, the two-dimensional code is stored and transmitted to the industrial personal computer, and a subsequent operation result is stored in the workpiece information, if the workpiece information is different from the equipment processing machine type information, the equipment alarms and does not operate; after the workpiece is fed, clamping, positioning and centering detection are carried out on the workpiece, when the workpiece is detected, a gear shaft torsion bar sub-assembly is fixed by a fixed chuck, a certain torque is applied to the workpiece through a servo motor to rotate in the forward and reverse directions, the torque is monitored by a torsion sensor, when the rated torque is reached, the forward and reverse angles of the torsion bar are detected, the mechanical centering position of the torsion bar is found, the corresponding angle and output voltage during forward and reverse rotation are detected again by taking the central position as the reference, whether the mechanical centering position and the electrical centering position have deviation or not is detected, and the adjustment and positioning are carried out again;
(2) drilling a central hole: the electric drilling power head provides power, and the center position of the torsion bar is ensured to be fixed when a center hole is drilled;
(3) drilling operation: the position and the speed of the forward/backward speed of the drill bit are detected by the broken cutter detection mechanism, and deburring can be performed after the hole is drilled;
(4) reaming operation: the reaming is the operation of finish machining of the torsion bar pin hole, the rotating speed and the carrying of the reaming can be monitored in real time and adjusted according to different working conditions, and the reaming is stopped for a period of time and then retreated after being in place;
(5) and (3) pin pressing operation: pressing a pin between the shaft and the torsion bar to relatively fix the positions of the shaft and the torsion bar, performing interference fit between the pin and the hole, monitoring the whole press-fitting stroke by pressure and displacement monitoring in the pin pressing operation, drawing a pressure curve, reflecting the press-fitting process in real time, and automatically finding out a pressure inflection point and a catastrophe point;
(6) detection operation: the shaft servo drive detection chuck clamps a workpiece and finds the speed and torque of positive and negative electrode limit of the workpiece, and the maximum/minimum angle full range value needs to be positioned at the center of a torsion bar and the full range angle measured by center detection is between the two values before the full range angle is qualified; the absolute value of the difference between the actual final position of the torsion bar center positioning and the position calculated theoretically is qualified only if the absolute value is smaller than the set value of the error range of the angle center.
Compared with the prior art, the invention has the following beneficial effects:
the invention is a 6-station automatic device which respectively carries out centering operation, center hole drilling operation, reaming operation, pin pressing operation and detection operation on a torsion bar, can realize broken cutter detection, gear shaft torsion bar sub-assembly tracing, batch code scanning of an input shaft and cylindrical pins, pressure displacement monitoring of the cylindrical pins and unqualified products in the assembly process; if NOK is detected in the centering, pin pressing and detecting processes, products can be directly scrapped or equipment can be manually processed by stopping the alarm, the equipment can be connected with a factory MES system, full-automatic operation can be realized, and the method is also suitable for intelligent factories; the invention adds the functions of mechanical centering, electrical centering, automatic detection and the like on the basis of the original equipment, realizes product tracing and data storage analysis, provides big data support, and is key equipment in an intelligent steering gear assembly line.
Drawings
FIG. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view II of the present invention.
Fig. 3 is a schematic view of the upper clamping mechanism.
Fig. 4 is a schematic view of a pin pressing mechanism.
Fig. 5 is a sectional view of the press pin mechanism.
Fig. 6 is a schematic view of a knife break detection mechanism.
Fig. 7 is a schematic diagram of the centering and raising mechanism.
Fig. 8 is a cross-sectional view of a hydraulic clamping disk.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, an EPS full-automatic centering pin machine includes a turntable with six stations, a dividing disc disposed at the bottom of the turntable for driving the turntable to rotate, a clamping mechanism disposed on the turntable for clamping a workpiece, a first centering and raising mechanism 1 disposed at a centering operation station, a first electrical drilling power head 2 disposed at a center hole drilling operation station, a second electrical drilling power head 3 and a broken cutter detection mechanism 9 disposed at a drilling operation station, a third electrical drilling power head 4 and a broken cutter detection mechanism 9 disposed at a reaming operation station, a pin pressing mechanism 5 disposed at a pin pressing operation station, and a second centering and raising mechanism 6 disposed at a detection operation station.
The clamping mechanism comprises an upper clamping mechanism and a lower clamping mechanism; as shown in fig. 3, the upper clamping mechanism 7 includes a mounting seat 70 provided on the turntable, the mounting seat 70 has six mounting surfaces 71, and the mounting surface 71 is provided with a vertically arranged guide rail 72, a chuck fixing seat 74 matched with the guide rail 72, a fixed chuck 75 provided on the chuck fixing seat 74, a lifting driving cylinder 78 for driving the chuck fixing seat 74 to lift, a limiting seat 73 for limiting the stroke of the chuck fixing seat 74, a fixed mandrel 76 provided on the chuck fixing seat 74 and located above the fixed chuck 75, and a pressing cylinder 77 provided above the fixed mandrel 76; as shown in fig. 8, the lower clamping mechanism includes six hydraulic clamping discs 8 fixed on the edge of the rotary table, the hydraulic clamping discs correspond to the fixed chucks one to one, and each hydraulic clamping disc 8 includes an elastic chuck 82, a workpiece positioning sleeve 81 disposed inside the elastic chuck 82, a piston 83 disposed outside the elastic chuck 82, and a cylinder 84 engaged with the piston 83.
The first centering ascending mechanism and the second centering ascending mechanism have the same structure and comprise a centering detection assembly and a screw rod ascending and descending mechanism for driving the centering detection assembly to ascend and descend. As shown in fig. 7, the centering detection mechanism includes, from bottom to top, a first servo motor 101, a first speed reducer 102, a first coupler 103, a torque sensor 104, a second coupler 105, an encoder 106, a rotating shaft 107, a transition shaft 108, and a fixed chuck 109, and the first servo motor 101 can drive the fixed chuck 109 to rotate. The screw rod lifting mechanism comprises a sliding plate 114, a screw rod 112, a nut seat 113 matched with the screw rod 112 and connected with the sliding plate 114, a second speed reducer 111 connected with the screw rod 112 and a second servo motor 110 driving the second speed reducer 111, and the centering detection assembly is fixed on the sliding plate.
As shown in fig. 6, the broken blade detection mechanism 9 includes a fixed frame 92, a movable frame 91 hinged to the fixed frame 92, a detection head 94 disposed on the movable frame 91, and a driving cylinder 93 for driving the movable frame 91 to rotate.
As shown in fig. 4 and 5, the pin pressing mechanism 51 includes a workpiece sheath 511, a ram sleeve 512, a thimble 513 capable of being inserted into the workpiece sheath through the ram sleeve, a guide shaft 514 connected to the thimble 513, an inner guide sleeve 516 sleeved outside the guide shaft 514, an outer guide sleeve 515 slidably engaged with the inner guide sleeve 516, and an oil cylinder 518, and an output shaft of the oil cylinder 518 is connected to the guide shaft 514 through a pressure sensor 517. The press pin mechanism 51 is connected with the press pin driving mechanism 52, the press pin driving mechanism 52 comprises an installation plate 525, an L-shaped sliding plate 523 in sliding fit with the installation plate 525, a fixing plate 522 in sliding fit with the L-shaped sliding plate 523, a lifting cylinder 521 for driving the L-shaped sliding plate 523 to lift, and a press pin cylinder 524 fixed on the L-shaped sliding plate 523 and used for driving the installation plate, and the press pin mechanism 51 is fixed on the installation plate 525. The fixed plate 522 is provided with a pin inlet 53, and the pin inlet 53 corresponds to a feed inlet on the pressure head sleeve 512.
The integrated machine table meets the requirements of the precision and the rigidity of the equipment in operation, a scrap discharging port is arranged at the rear end of the equipment, scrap iron generated by drilling is discharged from the rear end, the workpiece loading and unloading position is arranged in front of the equipment, manual loading and unloading can be realized, automatic loading and unloading can also be realized by matching with a manipulator or a robot, and a maintenance door is arranged at the front lower part of the equipment, so that the maintenance and the maintenance of motors, sensors and the like of a centering mechanism and a detection mechanism are facilitated; two observation windows on two sides of the equipment and a rear double-open maintenance door.
The working method of the invention comprises the following steps:
(1) centering operation: the information of the workpiece is read by scanning the two-dimensional code through the workpiece, the two-dimensional code is stored and transmitted to the industrial personal computer, and a subsequent operation result is stored on the information of the workpiece, if the information of the workpiece is different from the type information of the equipment processing machine, the equipment alarms and does not operate; after the workpiece is fed, clamping, positioning and centering detection are carried out on the workpiece, when the workpiece is detected, a gear shaft torsion bar sub-assembly is fixed by a fixed chuck, a certain torque is applied to the workpiece through a servo motor to rotate in the forward and reverse directions, the torque is monitored by a torsion sensor, when the rated torque is reached, the forward and reverse angles of the torsion bar are detected, the mechanical centering position of the torsion bar is found, the corresponding angle and output voltage during forward and reverse rotation are detected again by taking the central position as the reference, whether the mechanical centering position and the electrical centering position have deviation or not is detected, and the adjustment and positioning are carried out again;
(2) drilling a central hole: the electric drilling power head provides power, and when a center hole is drilled, the center position of the torsion bar is fixed;
(3) drilling operation: the position and the speed of the forward/backward speed of the drill bit are detected by the broken cutter detection mechanism, and deburring can be performed after the hole is drilled;
(4) reaming operation: the reaming is the operation of fine machining of the torsion bar pin hole, the rotating speed and the carrying of the reaming can be monitored in real time and adjusted according to different working conditions, and the reaming is stopped for a period of time and retreated after being in place;
(5) and (3) pin pressing operation: pressing a pin between a shaft and a torsion bar to enable the position of the shaft and the torsion bar to be relatively fixed, enabling the pin and a hole to be in interference fit, monitoring the whole press-fitting stroke by pressure and displacement monitoring in the pin pressing operation, drawing a pressure curve, reflecting the press-fitting process in real time, and automatically finding out a pressure inflection point and a pressure discontinuity point;
(6) detection operation: before detection, the torque sensor can carry out running-in operation, the torque sensor is firstly run-in for a certain number of times and then is detected, and the running-in speed and the torque are required to be within a certain range; the shaft servo drive detection chuck clamps a workpiece and finds the speed and torque of positive and negative electrode limit of the workpiece, and the maximum/minimum angle full range value needs to be positioned at the center of a torsion bar and the full range angle measured by center detection is between the two values before the full range angle is qualified; the absolute value of the difference between the actual final position of the torsion bar center positioning and the theoretically calculated position is calculated to be qualified only if the absolute value is smaller than the set value of the angle center error range.
Claims (6)
1. The utility model provides a full-automatic centering of EPS machine of selling which characterized in that: the automatic centering device comprises a rotary table with six stations, a dividing disc arranged at the bottom of the rotary table and used for driving the rotary table to rotate, a clamping mechanism arranged on the rotary table and used for clamping a workpiece, a first centering lifting mechanism arranged on a centering operation station, a first electrical drilling power head arranged on a center hole drilling operation station, a second electrical drilling power head arranged on a drilling operation station and a broken cutter detection mechanism, a third electrical drilling power head arranged on a reaming operation station and a broken cutter detection mechanism, a pin pressing mechanism arranged on a pin pressing operation station and a second centering lifting mechanism arranged on a detection operation station; the clamping mechanism comprises an upper clamping mechanism and a lower clamping mechanism, the upper clamping mechanism comprises an installation seat arranged on the turntable, the installation seat is provided with six installation surfaces, guide rails vertically arranged are arranged on the installation surfaces, a chuck fixing seat matched with the guide rails, a fixed chuck arranged on the chuck fixing seat, a lifting driving cylinder used for driving the chuck fixing seat to lift, a limiting seat used for limiting the stroke of the chuck fixing seat, a fixed mandrel arranged on the chuck fixing seat and positioned above the fixed chuck, and a pressing cylinder arranged above the fixed mandrel; the lower clamping mechanism comprises six hydraulic clamping discs fixed on the edge of the rotary table, the hydraulic clamping discs correspond to the fixed chucks one by one, and each hydraulic clamping disc comprises an elastic chuck, a workpiece positioning sleeve arranged in the elastic chuck, a piston arranged outside the elastic chuck and a cylinder body matched with the piston; the centering detection assembly of the first centering and ascending mechanism and the lead screw lifting mechanism for driving the centering detection assembly to ascend and descend sequentially comprise a first servo motor, a first speed reducer, a first coupler, a torque sensor, a second coupler, an encoder, a rotating shaft, a transition shaft and a centering chuck from bottom to top, and the first servo motor can drive the centering chuck to rotate.
2. The EPS full-automatic centering and pin-striking machine according to claim 1, characterized in that: the pin pressing mechanism comprises a workpiece sheath, a pressure head sleeve, a thimble capable of penetrating through the pressure head sleeve and being inserted into the workpiece sheath, a guide shaft connected with the thimble, an inner guide sleeve sleeved outside the guide shaft, an outer guide sleeve in sliding fit with the inner guide sleeve and an oil cylinder, and an output shaft of the oil cylinder is connected with the guide shaft through a pressure sensor.
3. The EPS full-automatic centering and pin-striking machine according to claim 2, characterized in that: the pressure pin mechanism is connected with the pressure pin driving mechanism, the pressure pin driving mechanism comprises a mounting plate, an L-shaped sliding plate in sliding fit with the mounting plate, a fixing plate in sliding fit with the L-shaped sliding plate, a lifting cylinder for driving the L-shaped sliding plate to lift, and a pressure pin cylinder which is fixed on the L-shaped sliding plate and used for driving the mounting plate, and the pressure pin mechanism is fixed on the mounting plate.
4. The full-automatic EPS centering and pin removing machine according to claim 3, characterized in that: and a pin inlet is formed in the fixing plate and corresponds to a feed inlet in the pressure head sleeve.
5. The full-automatic EPS centering and pin removing machine according to claim 1, characterized in that: the broken cutter detection mechanism comprises a fixed frame, a movable frame hinged with the fixed frame, a detection head arranged on the movable frame and a driving cylinder for driving the movable frame to rotate.
6. The full-automatic EPS centering and pin removing machine according to claim 1, characterized in that: the screw rod lifting mechanism comprises a sliding plate, a screw rod, a nut seat matched with the screw rod and connected with the sliding plate, a second speed reducer connected with the screw rod and a second servo motor driving the second speed reducer, and the centering detection assembly is fixed on the sliding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110545250.3A CN113059351B (en) | 2021-05-19 | 2021-05-19 | EPS full-automatic centering pin knocking machine and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110545250.3A CN113059351B (en) | 2021-05-19 | 2021-05-19 | EPS full-automatic centering pin knocking machine and working method thereof |
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| CN113059351A CN113059351A (en) | 2021-07-02 |
| CN113059351B true CN113059351B (en) | 2022-07-19 |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006090410A (en) * | 2004-09-22 | 2006-04-06 | Nsk Ltd | Roller bearing cage assembling device and its method |
| CN201881143U (en) * | 2010-11-28 | 2011-06-29 | 湖北唯思凌科装备制造有限公司 | Automatic balancing pin pressing machine tool of automobile power steering gear valve assembly |
| CN202804633U (en) * | 2012-09-25 | 2013-03-20 | 株洲鹏发机电制造有限责任公司 | Multifunctional integration electric power steering (EPS) drilling and reaming pin pressing machine |
| CN202846142U (en) * | 2012-10-10 | 2013-04-03 | 浙江凌翔科技有限公司 | Electric power storage (EPS) intelligent assembling detecting production line |
| CN203495550U (en) * | 2013-09-04 | 2014-03-26 | 温岭市装配设备成套有限公司 | Five-station combination machine tool for valve element torsion rod of automobile steering device |
| CN206779886U (en) * | 2017-05-31 | 2017-12-22 | 宁波考比锐特汽车科技有限公司 | Input shaft drilling pin pressing machine |
| CN209050392U (en) * | 2018-10-26 | 2019-07-02 | 湖北祥锦汽车转向系统股份有限公司 | A kind of automatic assembling of auto steerer processing and beats and sell equipment |
| CN110238657B (en) * | 2018-12-19 | 2024-02-13 | 吉林瑞铭机电设备有限公司 | EPS automatic balance drilling pin pressing machine |
| CN211939748U (en) * | 2019-11-09 | 2020-11-17 | 天津德科汽车部件股份有限公司 | Novel electric power steering input shaft and output shaft pressure equipment torsion bar centering device |
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2021
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