CN113427438B - Automatic assembling equipment for hub unit clamp spring - Google Patents
Automatic assembling equipment for hub unit clamp spring Download PDFInfo
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- CN113427438B CN113427438B CN202110828818.2A CN202110828818A CN113427438B CN 113427438 B CN113427438 B CN 113427438B CN 202110828818 A CN202110828818 A CN 202110828818A CN 113427438 B CN113427438 B CN 113427438B
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- feeding
- necking
- cylinder
- press
- clamp spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/30—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs
Abstract
The automatic assembling equipment for the clamp spring of the hub unit comprises a feeding device, a transverse moving and carrying mechanism, a necking mechanism and a pressing device which are sequentially arranged, wherein the transverse moving and carrying mechanism runs among the feeding device, the necking mechanism and the pressing device; the feeding device is used for loading the clamp spring; the transverse moving and carrying mechanism is used for grabbing a clamp spring in the feeding device and conveying the clamp spring to the necking mechanism; the necking mechanism compresses the clamp spring to reduce the diameter of the clamp spring, so that the clamp spring is necked; the transverse moving and carrying mechanism then grabs the clamp spring after necking and conveys the clamp spring to a pressing device; the pressing device is used for pressing the clamp spring after necking into the inner ring. The transverse moving mechanism comprises a feeding transverse moving device, a feeding lifting device and a press-fitting device, and the feeding lifting device and the press-fitting device are installed on the feeding transverse moving device. The clamp spring assembly in the hub unit is assembled in an automatic assembly mode, and the full-automatic assembly of the clamp springs of the hub unit with high efficiency and high reliability is achieved, so that the assembly efficiency and the assembly quality of the clamp spring assembly of the hub unit are guaranteed.
Description
Technical Field
The invention relates to automatic equipment for assembling a clamp spring in a hub unit, and belongs to the technical field of automatic assembly of hub units.
Background
The bearing clamp spring is a fastener of the hub unit and is an important component in the hub unit. The bearing clamp spring is used for fixing an inner assembly (an assembly of a bearing inner ring and a roller) in the hub unit bearing, and plays a role in preventing the axial movement of the inner assembly of the hub unit bearing.
The structure of the hub unit is shown in fig. 1, and comprises an outer ring 1, an upper row of inner rings 2 and a lower row of inner rings 5, wherein an upper row of rollers 3 is distributed between the outer ring 1 and the upper row of inner rings 2, a lower row of rollers 4 is distributed between the outer ring 1 and the lower row of inner rings 5, and a spacer ring 6 is arranged between the upper row of inner rings 2 and the lower row of inner rings 5. The inner holes of the upper row of inner rings 2 and the lower row of inner rings 5 are internally provided with clamp springs 7, and the clamp springs 7 are elastic circular rings.
The traditional clamp spring assembly adopts a manual assembly mode, the clamp spring is inserted into the inner side of the bearing inner ring by using a special clamp spring clamp tool for disassembling and assembling the clamp spring, and then the clamp spring is expanded to be placed in a clamp spring groove on the inner side of the bearing inner ring which is processed in advance. The clamp spring is assembled in a traditional manual mode, so that the assembly efficiency of the clamp spring is greatly reduced, and the assembly efficiency of the hub unit is influenced. In addition, the assembly precision and the assembly quality of the clamp spring cannot be guaranteed in the traditional manual mode of assembling the clamp spring, the reliability of the hub unit after assembly cannot be guaranteed, and the vehicle safety of assembling the corresponding hub unit cannot be guaranteed.
Disclosure of Invention
The invention provides automatic assembly equipment for a hub unit clamp spring, aiming at overcoming the defects of the existing bearing clamp spring assembly technology, so as to carry out automatic assembly on the hub unit clamp spring.
The automatic assembling equipment for the hub unit clamp spring adopts the following technical scheme:
the equipment comprises a feeding device, a transverse moving and carrying mechanism, a necking mechanism and a pressing device which are sequentially arranged, wherein the transverse moving and carrying mechanism runs among the feeding device, the necking mechanism and the pressing device; the feeding device is used for loading the clamp spring; the transverse moving and carrying mechanism is used for grabbing a clamp spring in the feeding device and conveying the clamp spring to the necking mechanism; the necking mechanism compresses the clamp spring to reduce the diameter of the clamp spring, so that the clamp spring is necked; the transverse moving and carrying mechanism then grabs the clamp spring after necking and conveys the clamp spring to a pressing device; the pressing device is used for pressing the clamp spring after necking into the inner ring.
The feeding device comprises a swing arm mechanism, a rotating mechanism and a lifting mechanism, wherein the swing arm mechanism is installed on the rotating mechanism, the rotating mechanism and the lifting mechanism are installed on the feeding table, the rotating mechanism drives the material column on the swing arm to rotate to the lifting mechanism, and the clamping spring on the material column is upwards jacked by the lifting mechanism to wait for grabbing. The swing arm mechanism comprises a swing arm and a material column, the material column is arranged on the swing arm, and the swing arm is arranged on the rotating mechanism; the rotating mechanism comprises a rotating shaft and a switching cylinder, the rotating shaft is connected with the output end of the switching cylinder, the switching cylinder is installed on the feeding table, and the swinging arm is installed on the rotating shaft; elevating system includes lift slip table and jacking push pedal, and the jacking push pedal is connected on the lift slip table, and the lift slip table is installed on the material loading bench, and the jacking push pedal cover is in the stockpost periphery, lift slip table drive the lift push pedal and go up and down, with the jump ring jacking that makes progress on the stockpost. Lifting slipways are prior art.
The transverse moving mechanism comprises a feeding transverse moving device, a feeding lifting device and a press-fitting device, the feeding lifting device and the press-fitting device are mounted on the feeding transverse moving device, the feeding transverse moving device drives the feeding lifting device and the press-fitting position to move, the feeding lifting device is positioned above the feeding device or above the necking mechanism, a clamp spring is grabbed above the feeding device, the clamp spring is placed above the necking mechanism, the press-fitting position is positioned above the necking mechanism and above the lower press device, the clamp spring after necking is grabbed above the necking mechanism, and the clamp spring is pressed into the inner ring by matching with the lower press device above the lower press device;
the feeding transverse moving device comprises a feeding base and a feeding sliding table, and the feeding sliding table is arranged on the feeding base; the feeding sliding table comprises a conveying cylinder, a conveying sliding rail and a driving seat, the conveying cylinder is installed on one side of the feeding base, the conveying sliding rail is installed on the feeding base, the driving seat is installed on the conveying sliding rail and connected with a piston rod of the conveying cylinder, the conveying cylinder drives the driving seat to move on the conveying sliding rail, and the feeding lifting device and the press-fitting device move transversely along with the driving seat;
the loading base is provided with a press-mounting limiting mechanism, the mechanism comprises a material taking limiting seat, a linkage limiting seat, a tool seat, a long limiting rod and a short limiting rod, the material taking limiting seat and the linkage limiting seat are arranged on the loading base and are positioned at two sides of the carrying slide rail (used for limiting the moving distance of the loading lifting device and the press-mounting device), the long limiting rod and the short limiting rod are arranged on the tool seat, the tool seat is arranged on the linkage slide rail, and the linkage slide rail is arranged on the driving seat; a linkage mechanism is arranged between the tool seat and the linkage limiting seat and comprises a linkage rod, a linkage plate and a spring, the tool seat is connected with the linkage plate through the linkage rod, and the spring is arranged between the linkage plate and the driving seat. The press mounting device is used for limiting different press-down distances through the press mounting limiting mechanism;
the feeding lifting device comprises a feeding rotating device and a feeding clamping device, the feeding rotating device is arranged on the feeding transverse moving device, and the feeding clamping device is connected to the feeding rotating device; the feeding rotating device comprises a feeding lifting cylinder (which is arranged on a driving seat of the feeding transverse moving device and moves on the conveying slide rail along with the driving seat) and a feeding finger connecting plate arranged on the feeding lifting cylinder; the feeding clamping device comprises a feeding tensioning cylinder arranged on the feeding finger connecting plate and a feeding clamping claw arranged on the feeding tensioning cylinder, and is used for grabbing the clamping spring during feeding;
the press-fitting device comprises an inner ring pressing cylinder, a clamp spring pressing-in cylinder and a press-fitting head, wherein the inner ring pressing cylinder, the clamp spring pressing-in cylinder and the press-fitting head are arranged from top to bottom, the inner ring pressing cylinder is installed on the feeding transverse device (driving seat), the press-fitting head and the clamp spring pressing-in cylinder are both connected to a piston rod of the inner ring pressing-in cylinder, a press rod is installed on the piston rod of the clamp spring pressing-in cylinder, and the press rod is coaxial with the press-fitting head. A press mounting cylinder limiting plate is arranged on the press mounting head through a guide rod, limiting through holes are formed in the press mounting cylinder limiting plate, and the press mounting cylinder limiting plate can move along with the guide rod.
The necking mechanism comprises a necking base and a necking positioning seat, the necking positioning seat is arranged on the necking base, the necking mechanism is distributed on the periphery of the necking positioning seat on the necking base and comprises a necking cylinder and a pulling block, the necking cylinder is arranged on the necking base, and the pulling block is connected with a piston rod of the necking cylinder. The clamp springs are placed on the shrinkage positioning seats, and the necking cylinders sequentially act clockwise to clamp the clamp springs and reduce the outer diameters of the clamp springs.
The pressing device comprises a press-mounting frame and a pressing-in lifting mechanism, and the pressing-in lifting mechanism is arranged on the press-mounting frame; the pressing-in lifting mechanism comprises an inner core, a jacking seat, a jacking cylinder and a limiting cylinder, the jacking cylinder and the limiting cylinder are both installed on the press-mounting frame, the inner core is connected to a piston rod of the jacking cylinder, and the jacking seat is connected to a piston rod of the limiting cylinder. The jacking cylinder drives the inner core to enter the inner ring, the limiting cylinder tightly pushes the lower part of the hub bearing through the jacking seat, and the press-mounting device tightly pushes the upper end face of the inner ring; and pressing the clamp spring into a clamp spring groove position in an inner ring inner hole of the hub unit bearing.
The clamp spring assembling device realizes full-automatic assembly of the clamp spring, reduces assembly errors possibly caused by manual assembly, effectively improves assembly precision, and greatly improves assembly efficiency. The automatic assembly technology of the clamp spring plays an important role in improving the production efficiency of the hub unit and guaranteeing the assembly quality. The advanced automatic assembly technology of the snap spring is a key technology for guaranteeing the reliability of the hub unit and the driving safety of a vehicle.
Drawings
Fig. 1 is a schematic structural view of a conventional wheel hub unit.
Fig. 2 is a schematic view of the overall structure of the automatic assembling equipment for the hub unit clamp spring.
Fig. 3 is a schematic structural view of the feeding device in the invention.
FIG. 4 is a right side view of the structure of the jump ring traverse carrying mechanism of the invention.
FIG. 5 is a structural top view of the jump ring transverse moving and carrying mechanism of the invention.
FIG. 6 is a schematic view of the upper structure of the jump ring traverse conveying mechanism of the present invention.
Fig. 7 is a schematic structural view of the necking mechanism of the present invention.
Fig. 8 is a schematic structural view of the lower press-fitting device in the present invention.
Wherein: 1. the outer ring, 2, an upper row of inner rings, 3, an upper row of rollers, 4, a lower row of rollers, 5, a lower row of inner rings, 6, a space ring and 7, a clamp spring;
8. the automatic feeding device comprises a feeding table, 9 parts of a press mounting frame, 10 parts of an upright post, 11 parts of a feeding leg, 12 parts of a feeding base, 13 parts of a necking table plate, 14 parts of a material post, 15 parts of a material ejecting ring, 16 parts of a base plate, 17 parts of a swing arm, 18 parts of a rotating shaft, 19 parts of a switching cylinder, 20 parts of a lifting sliding table, 21 parts of a jacking push plate, 22 parts of a reflection switch, 23 parts of an opposite emission switch, 24 parts of a reflection switch, 25 parts of a support, 26 parts of a support, 27 parts of an opposite emission switch, 28 parts of a carrying sliding rail, 29 parts of a carrying cylinder, 30 parts of a sliding block, 31 parts of a driving seat, 32 parts of a material taking limiting seat, 33 parts of a linkage limiting seat, 34 parts of a tool seat, 35 parts of a long limiting rod, 36 parts of a short limiting rod, 37 parts of a sliding block 38 parts of a linkage sliding rail, 39 parts of a linkage rod, 40 parts of a linkage plate and 41 parts of a spring. 42. The automatic feeding device comprises a feeding lifting cylinder, 43 feeding finger connecting plates, 44 feeding tensioning cylinder, 45 feeding clamping jaws, 46 inner ring pressing cylinder, 47 clamp spring pressing cylinder, 48 press-fitting head, 49 guide rod, 50 clamp spring detection switch, 51 limiting through hole, 52 press-fitting cylinder limiting plate, 53 necking base, 54 shrinking positioning seat, 55 shrinking mechanism, 56 necking cylinder, 57 pulling block, 58 detection switch, 59 detection switch, 60 proximity switch, 61 inner core, 62 jacking seat, 63 jacking cylinder, 64 first limiting cylinder, 65 second limiting cylinder, 66 guide rod and 67 jacking plate.
Detailed Description
The invention is used for assembling a clamp spring 7 in an inner ring of a hub unit, and the structure of the clamp spring is shown in figure 2, and the clamp spring assembly comprises a feeding table 8, a press-fitting frame 9, a feeding device, a transverse moving and carrying mechanism, a necking mechanism and a pressing device. The press-mounting frame 9 is provided with an upright post 10 and a feeding leg 11, the upright post 10 is provided with a feeding base 12, and the transverse moving and carrying mechanism is arranged on the feeding base 12. The feeding leg 11 is provided with a necking bedplate 13, and the necking mechanism is arranged on the necking bedplate 13. The feeding device is installed on the feeding table 8. The hold-down device is mounted on the press-fit frame 9.
The feeding device, the transverse moving and carrying mechanism, the necking mechanism and the pressing device are sequentially arranged, and the feeding device is used for loading the clamp spring into the material column 14; the transverse moving carrying mechanism is used for grabbing the clamp springs on the material column 14 and conveying the clamp springs to the necking mechanism, the necking mechanism is used for compressing the clamp springs to reduce the diameter of the clamp springs, the necked clamp springs are conveyed to the pressing-down device through the transverse moving carrying mechanism, and the pressing-down device is used for pressing the necked clamp springs into the inner ring.
As shown in fig. 3, the feeding device includes a swing arm mechanism, a rotating mechanism and a lifting mechanism, and the swing arm mechanism is installed on the rotating mechanism. The swing arm mechanism comprises a swing arm 17 and a material column 14, and two ends of the swing arm 17 are respectively provided with a set of material column. The material column 14 is arranged on an ejection ring 15, the ejection ring 15 is arranged on a base plate 16, and the base plate 16 is arranged on a swing arm 17. The swing arm 17 is mounted on the rotating mechanism (specifically on the rotating shaft 18). The rotating mechanism comprises a rotating shaft 18 and a switching cylinder 19, the rotating shaft 18 is connected with the output end of the switching cylinder 19, the switching cylinder 19 is installed on the feeding table 8, and the switching cylinder 19 is a rack and pinion type swing table cylinder. Elevating system installs on material loading platform 8, and elevating system includes lift slip table 20 and jacking push pedal 21, and jacking push pedal 21 connects on lift slip table 20, and lift slip table 20 installs on material loading platform 8, and lift slip table 20 is prior art, comprises speed reducer, shaft coupling, lead screw and guide rail. The jacking push plate 21 is sleeved on the material column 14 and driven by the lifting sliding table 20 to lift so as to jack the clamp spring upwards. The upper part and the lower part of the material column 14 are respectively provided with a correlation switch, a correlation switch 23 and a correlation switch 27 are arranged on a bracket 25, and a reflection switch 22 and a reflection switch 24 are arranged on a bracket 26; the bracket 25 and the bracket 26 are mounted on the loading table 8. The upper ejection switch 23 and the lower reflection switch 24 are used for detecting whether the clamp spring 7 is lifted in place, and the lower ejection switch 27 and the lower reflection switch 22 are used for detecting whether the material column 14 is short of material.
And the clamping spring is loaded through the loading device. When feeding, the lifting sliding table 20 operates to drive the jacking push plate 21 to ascend, and when the correlation switch 23 and the reflection switch 24 detect the clamp spring 7, the operation stops, and the clamp spring 7 is fed in place; if the snap springs are not detected by the shot-to-shot switch 23 and the reflection switch 24, it is indicated that no snap spring 7 is on the material column, the lifting sliding table 20 drives the jacking push plate 21 to descend, the switching cylinder 19 drives the rotating shaft 18 to rotate, the swing arm 17 rotates along with the rotation of the lifting push plate, the switching of two sets of material columns is realized, the material column with the snap springs is switched to a feeding position, and the snap springs are installed on empty material columns. And after the material columns are switched, the feeding process is executed again.
The traversing carrying mechanism comprises a feeding traversing device, a feeding lifting device and a press-fitting device which are arranged from top to bottom in sequence, as shown in fig. 4, 5 and 6. The feeding lifting device and the press-fitting device are arranged on the feeding transverse moving device, the feeding transverse moving device drives the feeding lifting device to move at a feeding position (above the feeding device) and a press-fitting position (above the necking mechanism), and meanwhile, the press-fitting device moves at the press-fitting position and an assembling position (above the pressing device). When in the feeding position, the feeding and lifting device takes materials (clamp springs) from the material column 14, and the press-fitting device takes materials (the clamp springs after necking) from the clamp spring necking positions (necking mechanisms); and after the material is taken, the material is transversely moved, so that the material taken by the feeding lifting device is positioned at a press-fitting position, the clamp spring is placed at a necking mechanism (a shrinking position), the material taken by the press-fitting device is positioned at an assembling position, and the necking clamp spring is pressed into the inner ring by a pressing-down device. And then the feeding lifting device and the press-mounting device return to the original positions to carry out the next circulation.
The feeding traversing device comprises a feeding base 12 and a feeding sliding table. The material loading slip table is including carrying cylinder 29, slider 30 and transport slide rail 28, and transport cylinder 29 is installed in one side of material loading base 12, adopts mechanical combined type rodless cylinder, and transport slide rail 28 is installed on material loading base 12, and slider 30 is installed on transport slide rail 28 and is connected the piston rod of transport cylinder 29, drives actuating seat 31 and installs on slider 30, and transport cylinder 29 drives actuating seat 31 and moves on transport slide rail 28, and material loading lifting device and the pressure equipment device sideslip on the actuating seat 31 are followed and are removed.
The feeding base 12 is further provided with a press-fitting limiting mechanism, the press-fitting limiting mechanism comprises a feeding limiting seat 32, a linkage limiting seat 33, a tool seat 34, a long limiting rod 35 and a short limiting rod 36, the feeding limiting seat 32 and the linkage limiting seat 33 are installed on the feeding base 12 and are located on two sides of a feeding sliding table (a carrying sliding rail 28) so as to limit the moving distance of the feeding lifting device and the press-fitting device. The long limit rod 35 and the short limit rod 36 are mounted on the tool seat 34, the tool seat 34 is mounted on the linkage slide rail 38 (see fig. 6) through the slide block 37, and the linkage slide rail 38 is mounted on the driving seat 31. A linkage mechanism is arranged between the tool seat 34 and the linkage limiting seat 33. The linkage mechanism comprises a linkage rod 39, a linkage plate 40 and a spring 41, the tool seat 34 is connected with the linkage plate 40 through the linkage rod 39, and the spring 41 is arranged between the linkage plate 40 and the driving seat 31. The invention realizes effective press mounting on different press-down distances through the press mounting limiting mechanism, and the specific process refers to the final description.
The feeding lifting device comprises a feeding rotating device and a feeding clamping device, and the feeding clamping device is connected to the feeding rotating device. The feeding rotating device comprises a feeding lifting cylinder 42 (adopting a cylinder with a guide rod) arranged on the driving seat 31 and a feeding finger connecting plate 43 arranged on the feeding lifting cylinder 42. The feeding clamping device comprises a feeding tensioning cylinder 44 (thin type pneumatic claw) arranged on the feeding finger connecting plate 43 and a feeding clamping claw 45 arranged on the feeding tensioning cylinder 44, and is used for grabbing the clamping spring during feeding. The feeding lifting cylinder 42 moves on the conveying slide rail 28 along with the driving seat 31.
The press-mounting device comprises an inner ring pressing cylinder 46, a clamp spring pressing cylinder 47 and a press-mounting head 48 which are arranged from top to bottom. The inner ring pressing cylinder 46 is mounted on the driving socket 31 to move with the driving socket 31. The press-fitting head 48 and the clamp spring press-fitting cylinder 47 are both connected to a piston rod of the inner ring pressing cylinder 46, the clamp spring press-fitting cylinder 47 is located above the press-fitting head 48, a press rod is mounted on the piston rod of the clamp spring press-fitting cylinder 47, and the press rod is coaxial with the press-fitting head 48. The press-fitting head 48 is provided with a clamp spring detection switch 50. The press-fitting head 48 is provided with a press-fitting cylinder limit plate 52 through a guide rod 49, the guide rod 49 is arranged on the driving seat 31 through a sliding sleeve, and the press-fitting cylinder limit plate 52 is provided with a limit through hole 51. The press-fitting cylinder stopper plate 52 is movable with the guide rod 49.
The transverse moving mechanism is used for moving the clamp spring placed in the stock column to the necking mechanism, the feeding lifting device and the press-fitting device are respectively positioned above the feeding device (the stock column 14) and the necking mechanism (the necking positioning seat 54) in an initial state, the feeding transverse moving device (the moving cylinder 29) drives the feeding lifting device to move at two positions of the feeding device (the stock column 14) and the necking mechanism (the necking positioning seat 54), and meanwhile, the press-fitting device moves at two positions of the necking mechanism (the necking positioning seat 54) and the lower pressing device. Before carrying, a feeding lifting cylinder 42 in the feeding lifting device is started to drive a feeding tensioning cylinder 44 to descend to a proper position, the feeding tensioning cylinder 44 drives a feeding clamping claw 45 to tension, the feeding clamping claw 45 grabs a clamp spring in the material column 14, then the feeding lifting cylinder 42 drives the feeding clamping claw 45 and the grabbed clamp spring to ascend, and after the feeding clamping claw 45 ascends to the proper position, a carrying cylinder 29 is started to drive the feeding clamping claw 45 and the press-mounting device to transversely move, so that the clamp spring on the feeding clamping claw 45 is aligned to a shrinkage positioning seat 54 in the necking mechanism. Then, the feeding lifting cylinder 42 drives the feeding claw 45 to descend to the proper position, the feeding tensioning cylinder 44 drives the feeding claw 45 to loosen, the grabbed snap spring is placed on the shrinkage positioning seat 54, and the feeding lifting cylinder 42 drives the feeding claw 45 to ascend and return.
As shown in fig. 7, the necking mechanism includes a necking base 53 and a necking positioning seat 54, the necking base 53 is installed on the necking platen 13, a plurality of necking mechanisms 55 (five are arranged in fig. 7) are distributed on the periphery of the necking positioning seat 54 on the necking base 53, each necking mechanism 55 includes a necking cylinder 56 and a pulling block 57, the necking cylinder 56 is installed on the necking base 53, and the pulling block 57 is connected with a piston rod of the necking cylinder 56. And one side of each tightening mechanism 55 is provided with a proximity switch 60 respectively for detecting whether the clamp spring necking is in place. The necking base 53 is also provided with opposite detection switches 58 and 59 for detecting whether the clamp spring is pressed in place. After the transverse moving and carrying mechanism is carried in place, the clamp springs are placed on the shrinkage positioning seat 54, the necking cylinders 56 sequentially act clockwise to clamp the clamp springs, the outer diameters of the clamp springs are shrunk, and the necking of the clamp springs is completed, so that the outer diameters of the clamp springs are shrunk to enter inner holes of the inner ring.
After the necking mechanism finishes necking, the carrying cylinder 29 drives the feeding lifting device and the press-fitting device to return to the proper positions, the return positions are limited by the feeding limiting seat 32, at the moment, the feeding lifting device is located above the material column 14, the next clamp spring is fed (the clamp spring feeding process is repeated), and the press-fitting device is located above the necking mechanism. The inner ring pressing cylinder 46 of the press mounting device is started to drive the press mounting head 48 to descend, and the clamp spring which is positioned on the tightening positioning seat 54 and tightened is installed in the press mounting head 48. Whether the circlip has been pressed into the press-fitting head 48 correctly is detected by a circlip detection switch 50. After the clamp springs are pressed in place, the necking cylinders 56 return, and the inner ring pressing cylinder 46 drives the pressing head 48 to ascend in place.
The carrying cylinder 29 drives the feeding lifting device and the press-fitting device to move transversely again, the feeding lifting device is driven to move transversely to the position of the necking mechanism (the necking positioning seat 54), the clamping spring grabbed for the second time is placed on the necking positioning seat 54 by the feeding lifting device, and the necking mechanism repeats the clamping spring necking process. Meanwhile, the press-fitting device (press-fitting head 48) is moved laterally to the position (fitting position) of the press-down device, and when the station detection switch provided on the dipleg 11 detects the inner ring, the press-fitting device and the press-down device press the clip spring into the inner ring together.
The pressing device comprises a press-mounting frame 9 and a press-in lifting mechanism, and the press-in lifting mechanism is arranged on the press-mounting frame 9. The press-in lifting mechanism is used for jacking an inner ring and comprises an inner core 61, a jacking seat 62, a jacking cylinder 63, a first limiting cylinder 64 and a second limiting cylinder 65, the jacking cylinder 63, the first limiting cylinder 64 and the second limiting cylinder 65 are both installed on the press-mounting frame 9, the inner core 61 is connected with a piston rod of the jacking cylinder 63, the jacking seat 62 is connected with piston rods of the first limiting cylinder 64 and the second limiting cylinder 65 through a guide rod 66 and a jacking plate 67, the guide rod 66 is arranged on the press-mounting frame 9 through a sliding sleeve, the upper end of the guide rod is connected with the jacking seat 62, the lower end of the guide rod is connected with the jacking plate 67, and the jacking plate 67 is connected with piston rods of the first limiting cylinder 64 and the second limiting cylinder 65. When the clamp spring is pressed, firstly, the jacking cylinder 63 is started to drive the inner core 61 to ascend to a proper position, so that the inner core 61 enters the inner ring, and the lower end face of the inner ring of the hub bearing is tightly jacked; secondly, the first limiting cylinder 64 and the second limiting cylinder 65 are lifted to the right position, and the lower part of the hub bearing is tightly jacked through the jacking seat 62; then, an inner ring pressing cylinder 46 in the pressing device descends to the right position to tightly push the upper end face of the inner ring of the bearing of the hub unit; and finally, the clamp spring pressing-in cylinder 47 in the press-fitting device descends to the right position, and the clamp spring 7 is pressed into the clamp spring groove position in the inner ring of the hub unit bearing by the pressure rod on the piston rod of the clamp spring pressing-in cylinder 47.
During the press mounting process, the press mounting head 48 of the press mounting device needs different pressing distances at the two positions of the necking mechanism and the pressing device. The pressing distance of the pressing head 48 at the necking mechanism for pressing is smaller than the pressing distance of the pressing device at the pressing device. The invention realizes effective press mounting on different press-mounting distances through the press-mounting limiting mechanism in the transverse moving carrying mechanism, as follows.
When the conveying cylinder 29 drives the feeding lifting device and the press-mounting device to return to the limiting position of the material taking limiting seat 32, the press-mounting head 48 of the press-mounting device is aligned with the shrinkage positioning seat 54 of the necking mechanism. The linkage mechanism transversely moves and resets the tool seat 34 through the tool seat slide rails 38 and the tool seat slide blocks 37, at the moment, when the tool seat is pressed downwards, the press mounting air cylinder limiting plate 52 moves downwards, the long limiting rod 35 props against the press mounting air cylinder limiting plate 52, the press mounting head 48 is limited, the press mounting head 48 can be pressed into the tightening positioning seat 54 in the necking mechanism by the press mounting device, and the limitation of the pressing distance is realized.
When the conveying cylinder 29 drives the feeding lifting device and the press-mounting device to move transversely to the limit position of the linkage limit seat 33, the press-mounting head 48 of the press-mounting device is aligned with the inner core 61 of the press-mounting device. At this time, the linkage limiting seat 33 pushes the linkage plate 40, and the linkage plate 40 drives the tool seat 34 to move transversely through the tool seat slide rail 38 and the tool seat slide block 37 through the linkage rod 39, so that the long limiting rod 35 aligns with the limiting through hole 51. When downward press mounting is carried out, the press mounting cylinder limiting plate 52 moves downwards, the long limiting rod 35 penetrates out of the press mounting cylinder limiting plate 52 through the limiting through hole 51, the short limiting rod 36 abuts against the press mounting cylinder limiting plate 52, the press mounting head 48 is limited, downward pressing distance limitation is achieved, and the clamp spring in the press mounting head 48 can be pressed into the clamp groove position of the inner ring inner hole by the press mounting device.
Claims (6)
1. The automatic assembling equipment for the hub unit clamp spring is characterized by comprising a feeding device, a transverse moving and carrying mechanism, a necking mechanism and a pressing device which are sequentially arranged, wherein the transverse moving and carrying mechanism runs among the feeding device, the necking mechanism and the pressing device; the feeding device is used for loading the clamp spring; the transverse moving and carrying mechanism is used for grabbing a clamp spring in the feeding device and conveying the clamp spring to the necking mechanism; the necking mechanism compresses the clamp spring to reduce the diameter of the clamp spring, so that the clamp spring is necked; the transverse moving and carrying mechanism then grabs the clamp spring after necking and conveys the clamp spring to a pressing device; the pressing device is used for pressing the necking clamp spring into the inner ring;
the transverse moving mechanism comprises a feeding transverse moving device, a feeding lifting device and a press-fitting device, the feeding lifting device and the press-fitting device are mounted on the feeding transverse moving device, the feeding transverse moving device drives the feeding lifting device and the press-fitting position to move, the feeding lifting device is positioned above the feeding device or above the necking mechanism, and the press-fitting position is positioned above the necking mechanism or above the lower press-fitting device;
the feeding transverse moving device comprises a feeding base and a feeding sliding table, and the feeding sliding table is arranged on the feeding base; the material loading slip table is including carrying the cylinder, transport slide rail and driving the seat, and the transport cylinder is installed in material loading base one side, and the transport slide rail is installed on material loading base, drives the piston rod that the seat was installed on the transport slide rail and was connected with the transport cylinder.
2. The automatic assembly equipment for the clamp spring of the hub unit according to claim 1, wherein a press-fitting limiting mechanism is arranged on the feeding base and comprises a material taking limiting seat, a linkage limiting seat, a tooling seat, a long limiting rod and a short limiting rod, the material taking limiting seat and the linkage limiting seat are arranged on the feeding base and positioned at two sides of the conveying slide rail, the long limiting rod and the short limiting rod are arranged on the tooling seat, the tooling seat is arranged on a linkage slide rail, and the linkage slide rail is arranged on the driving seat; a linkage mechanism is arranged between the tool seat and the linkage limiting seat and comprises a linkage rod, a linkage plate and a spring, the tool seat is connected with the linkage plate through the linkage rod, and the spring is arranged between the linkage plate and the driving seat.
3. The automatic assembling equipment for the clamp spring of the hub unit as claimed in claim 1, wherein the feeding lifting device comprises a feeding rotating device and a feeding clamping device, the feeding rotating device is mounted on the feeding traversing device, and the feeding clamping device is connected to the feeding rotating device; the feeding rotating device comprises a feeding lifting cylinder and a feeding finger connecting plate arranged on the feeding lifting cylinder; the feeding clamping device comprises a feeding tensioning cylinder and a feeding clamping claw, wherein the feeding tensioning cylinder is installed on the feeding finger connecting plate, and the feeding clamping claw is installed on the feeding tensioning cylinder.
4. The automatic assembling equipment for the snap spring of the hub unit as claimed in claim 1, wherein the press-fitting device comprises an inner ring pressing cylinder, a snap spring pressing cylinder and a press-fitting head, the inner ring pressing cylinder is mounted on the feeding traverse device, the press-fitting head and the snap spring pressing cylinder are both connected to a piston rod of the inner ring pressing cylinder, and the piston rod of the snap spring pressing cylinder is provided with a press rod which is coaxial with the press-fitting head.
5. The automatic assembly equipment for the clamp spring of the hub unit according to claim 1, wherein the necking mechanism comprises a necking base and a necking positioning seat, the necking positioning seat is arranged on the necking base, the necking mechanism is distributed on the periphery of the necking positioning seat on the necking base, the necking mechanism comprises a necking cylinder and a pulling block, the necking cylinder is arranged on the necking base, and the pulling block is connected with a piston rod of the necking cylinder.
6. The automatic assembling equipment for the clamp spring of the hub unit according to claim 1, wherein the pressing device comprises a press-mounting frame and a press-in lifting mechanism, and the press-in lifting mechanism is installed on the press-mounting frame; the pressing-in lifting mechanism comprises an inner core, a jacking seat, a jacking cylinder and a limiting cylinder, the jacking cylinder and the limiting cylinder are both installed on the press-mounting frame, the inner core is connected to a piston rod of the jacking cylinder, and the jacking seat is connected to a piston rod of the limiting cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110828818.2A CN113427438B (en) | 2021-07-22 | 2021-07-22 | Automatic assembling equipment for hub unit clamp spring |
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| CN202110828818.2A CN113427438B (en) | 2021-07-22 | 2021-07-22 | Automatic assembling equipment for hub unit clamp spring |
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| CN113427438A CN113427438A (en) | 2021-09-24 |
| CN113427438B true CN113427438B (en) | 2022-04-29 |
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| CN116475773B (en) * | 2023-06-21 | 2023-09-08 | 中利特(天津)智能科技有限公司 | Automatic assembly production line for hydraulic bushings |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112917150A (en) * | 2021-03-22 | 2021-06-08 | 名盛(宁波)智能科技有限公司 | Automatic mounting equipment for hub built-in parts |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR7501227U (en) * | 1995-07-18 | 1997-11-18 | Fernando Polino | Hardware arrangement for disassembling the spring / damper assembly |
| CN204184918U (en) * | 2014-10-22 | 2015-03-04 | 济南易恒技术有限公司 | Magnetic gasket automatic charging device |
| CN104384904B (en) * | 2014-11-04 | 2016-09-21 | 浙江大学台州研究院 | Jump ring automatic assembling machine |
| CN105277124A (en) * | 2015-11-11 | 2016-01-27 | 济南易恒技术有限公司 | Wheel hub unit flange plate end jump and radial jump detection equipment |
| CN106514219B (en) * | 2017-01-13 | 2019-04-02 | 重庆建设车用空调器有限责任公司 | One kind extending out formula circlip automatic assembling mechanism |
| CN109434453B (en) * | 2018-12-26 | 2020-05-05 | 银川西部大森数控技术有限公司 | Automatic assembling machine and assembling method for automobile hub steering knuckle |
| CN210757541U (en) * | 2019-10-22 | 2020-06-16 | 苏州纳斯汀自动化设备有限公司 | Automatic clamp spring assembling equipment |
| CN111098130B (en) * | 2020-01-15 | 2020-12-08 | 杭州沃德汽车部件制造有限公司 | Automatic line assembly process for hub lock assembly detection |
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| CN112917150A (en) * | 2021-03-22 | 2021-06-08 | 名盛(宁波)智能科技有限公司 | Automatic mounting equipment for hub built-in parts |
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