CN111687632A

CN111687632A - Full-automatic assembling system for miniature bearing

Info

Publication number: CN111687632A
Application number: CN201910197396.6A
Authority: CN
Inventors: 许善明
Original assignee: Guangzhou Shunxin Automation Equipment Co ltd
Current assignee: Guangzhou Shunxin Automation Equipment Co ltd
Priority date: 2019-03-15
Filing date: 2019-03-15
Publication date: 2020-09-22

Abstract

The invention discloses a full-automatic assembling system for a miniature bearing, which comprises a rotary assembling table capable of rotating circumferentially and a multi-stage throwing device arranged on the edge of the rotary assembling table; the upper surface of the rotary assembly table is provided with a plurality of riveting stations for riveting the miniature bearing; each riveting station is provided with a riveting table for receiving each part of the bearing in sequence; the multistage throwing device comprises a first vibration throwing device, a second vibration throwing device and a third vibration throwing device, wherein the first vibration throwing device, the second vibration throwing device and the third vibration throwing device can sequentially throw a bearing outer ring, a retainer and a bearing inner ring onto the riveting table; and a riveting die for applying riveting pressure to the bearing outer ring is arranged between the third vibration dispenser and the first vibration dispenser and above the corresponding riveting table. The miniature bearing part riveting and assembling machine can put miniature bearing parts to be assembled in sequence according to the assembling sequence and automatically rivet, assemble and form the miniature bearing part riveting and assembling machine, and the whole working efficiency is high; the noise and pollution are avoided, and the practicability is high; can be widely applied to the field of miniature bearing riveting assembly.

Description

Full-automatic assembling system for miniature bearing

Technical Field

The invention relates to the technical field of bearing assembly equipment, in particular to a full-automatic assembling system for a miniature bearing.

Background

The Bearing (Bearing) is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient (friction coefficient) in its motion process, and guarantee its gyration precision (accuracy). The ball bearing has the advantages of small friction coefficient, high limit rotating speed, simple structure, low manufacturing cost, high precision, no need of frequent maintenance, large size range and multiple forms, and is a bearing with the widest application. It mainly bears radial load, also can bear certain axial load. When it is subjected to only radial loads, the contact angle is zero. The common micro bearing is composed of an outer ring, a bearing inner ring, a bearing roller and a retainer. The ball bearing is assembled by manually sending each part of the bearing to an assembly station in the assembly process, the bearing is assembled and molded by adopting a pressure method or a thermal deformation method, and the bearing parts are sent to the assembly station by adopting a manual putting mode in the prior art, so that the manual labor amount is improved, and the assembly quality and the assembly efficiency of the miniature bearing are influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a full-automatic assembling system for a miniature bearing, which can improve the assembling quality and efficiency of the miniature bearing and reduce the labor intensity of workers.

The technical scheme adopted by the invention is as follows: a full-automatic assembly system for miniature bearings comprises a rotary assembly table capable of rotating circumferentially and a multi-stage throwing device arranged on the edge of the rotary assembly table; the upper surface of the rotary assembly table is provided with a plurality of riveting stations for riveting the miniature bearing; each riveting station is provided with a riveting table for sequentially receiving each part of the bearing, and the riveting tables are circumferentially arranged; the multistage throwing device comprises a first vibration throwing device, a second vibration throwing device and a third vibration throwing device, wherein the first vibration throwing device, the second vibration throwing device and the third vibration throwing device can sequentially throw a bearing outer ring, a retainer and a bearing inner ring onto the riveting table; roller throwing devices capable of throwing bearing rollers to the riveting station are arranged between the first vibration dispenser and the second vibration dispenser and between the second vibration dispenser and the third vibration dispenser and above the corresponding riveting table; and a riveting die for applying riveting pressure to the bearing outer ring is arranged between the third vibration dispenser and the first vibration dispenser and above the corresponding riveting table, and the riveting die can vertically move up and down.

In the technical scheme, the full-automatic miniature bearing assembling device can put miniature bearing parts to be assembled in sequence according to the assembling sequence and automatically complete the assembly, so that the whole process does not need manual operation, the purpose of improving the bearing assembling efficiency is achieved, and the yield of the miniature bearing assembly can be obviously improved. The method comprises the following steps that a multi-stage throwing device capable of throwing miniature bearing accessories is arranged on the edge of a rotatable rotary assembly table, the first vibration throwing device, the second vibration throwing device and the third vibration throwing device of the multi-stage throwing device can sequentially throw the miniature bearing accessories to be assembled into a riveting station of the rotary assembly table, successively thrown parts comprise an outer ring, a bearing roller, a retainer, a bearing inner ring and the like of the miniature bearing, after the accessories are thrown, deformation pressure is applied to the outer ring of the bearing through a riveting die, the outer ring is deformed through the riveting die to complete assembly and assembly of the miniature bearing, when the rotary assembly table continuously rotates, the multi-stage throwing device continuously throws the accessories into the riveting station, efficient and continuous assembly is achieved, and due to the fact that the automation degree is high, the processing time of single pieces of bearing assembly is fast, and the overall working efficiency is; and the device has no noise, no pollution and higher practicability.

The preferable technical scheme is characterized in that an assembly groove is formed in the upper surface of the riveting table, and the assembly groove can accommodate a bearing outer ring, a retainer, a bearing inner ring and a bearing roller which are thrown in by the first vibration throwing device, the second vibration throwing device, the third vibration throwing device and the roller throwing device.

Therefore, the assembly groove can accommodate the miniature bearing components thrown by the multi-stage throwing device, and the assembly groove positions the components to prevent the components from falling to other positions except a riveting station.

The preferred technical scheme, its additional technical feature is, each riveting platform lower surface is equipped with downwardly extending's installation department, and is individual the installation department is installed in the mounting groove of locating on the rotatory assembly jig with detachable mode, the cover has the support bearing who sets up in the mounting groove on the installation department.

Like this, riveting platform accessible installation department is stable to be installed on rotatory assembly jig, and the support bearing of cover on the installation department can play the effect of side direction support installation department, improves the stability of riveting platform installation.

The preferable technical scheme is characterized in that the lower end of the mounting part of each riveting platform is provided with a screwed part screwed at the bottom of the mounting groove.

Like this, the riveting platform is installed accessible spiro union portion and rotatory assembly sleeve screw thread adaptation behind the mounting groove, and convenient the dismantlement when improving riveting platform installation stability to the miniature bearing of different specifications of convenient riveting assembly installation.

The preferable technical scheme is characterized in that the roller throwing device comprises a blanking barrel which is arranged above the riveting station and can convey the bearing roller; the upper end surface and the lower end surface of the lower charging barrel are respectively provided with a feeding hole and a discharging hole which are arranged around the axis of the lower charging barrel, and a feeding channel for communicating the feeding hole with the discharging hole is arranged in the lower charging barrel; the feeding shaft capable of vertically moving up and down is arranged in the discharge port, when the feeding shaft rises, the receiving and feeding shaft can seal one end of the feeding channel communicated with the discharge port, and when the feeding shaft descends, the feeding channel is communicated with the discharge port.

Like this, when treating the bearing roller of assembly and putting in, the bearing roller of treating the assembly can be followed the feed inlet and dropped into the feed cylinder, the bearing roller accessible pay-off passageway that drops into the feed inlet is carried to the discharge gate that is located feed cylinder lower extreme face, at defeated material in-process, accessible pay-off axle up-and-down motion puts in the bearing roller to the discharge gate fast and quantitatively, the ascending back of pay-off axle can seal pay-off passageway and the communicating one end of discharge gate, can make the bearing roller save in the pay-off cylinder after the shutoff, after the pay-off axle moves down, the pay-off passageway communicates with each other with the discharge gate, the bearing roller can export the discharge gate, accomplish the fast and quantitatively of bearing roller and put.

The preferable technical scheme is characterized in that a feeding groove which is arranged around the feeding shaft and extends inwards is arranged on the periphery of the lower end of the feeding shaft, when the feeding shaft moves upwards, a groove opening of the feeding groove is communicated with the feeding channel, and when the feeding shaft moves downwards, the groove opening of the feeding groove is communicated with the discharging opening.

Therefore, as the notch of the feeding groove is communicated with the feeding channel, after the bearing roller is thrown into the feeding channel, the bearing roller positioned at the lowest part of the feeding channel can enter the feeding groove; after the feeding shaft moves downwards, the bearing rollers in the feeding groove can enter the discharging hole from the notch of the feeding groove, and the bearing rollers are put in.

The preferable technical scheme is characterized in that the lower end face of the feeding shaft is provided with positioning columns which are axially arranged along the feeding shaft.

Like this, the reference column is reciprocating the in-process, and the reference column can move down to in the riveting station, improves and puts in the precision.

The preferable technical scheme is characterized in that the feeding channel comprises a vertical section which is communicated with the feeding hole and is axially arranged along the feeding barrel, and the lower end of the vertical section is provided with a taper section communicated with the discharging hole.

Therefore, the vertical section can accommodate the bearing roller thrown into the charging barrel, the tapered section can reduce the moving speed of the bearing roller, and the bearing roller can be uniformly distributed in the feeding groove after being output.

The riveting die is characterized in that a detachable portion is arranged at the upper end of the riveting die and connected with a press which is arranged on the edge of the rotary assembly table in a detachable mode, and the press can drive the riveting die to vertically move up and down.

Therefore, the riveting die can quickly complete the riveting assembly of the miniature bearing under the driving of the press machine.

The technical scheme who prefers, its additional technical characterstic is, it is equipped with unloader to correspond riveting station top between press and the first vibration dispenser, unloader is including the swing seat of locating rotatory assembly table limit portion, be equipped with on the swing seat and can wind the wobbling swinging arms of swing seat, the swinging arms end is equipped with the promotion portion to the extension of riveting bench top, works as when the swinging arms was around the swing seat swing, the rotatory assembly table can be released along rotatory assembly table tangential direction with the miniature bearing that the riveting assembly was accomplished to promotion portion.

Therefore, the miniature bearing after being riveted and assembled can swing through the swinging seat, so that the miniature bearing is pushed out of the rotary assembly table along the tangential direction of the rotary assembly table, and quick blanking is realized.

The invention has the beneficial effects that: the full-automatic assembling system for the miniature bearing can sequentially put miniature bearing parts to be assembled according to an assembling sequence and automatically rivet, assemble and form the miniature bearing parts, sequentially put the miniature bearing parts to be assembled on a riveting table of a rotary assembling table by a multi-stage putting device, apply deformation pressure to a bearing outer ring through a riveting die after the bearing parts are put in, and deform the outer ring through the riveting die to finish the assembling and assembling of the miniature bearing; the invention has reasonable structure and convenient operation, the processing time of a single piece for bearing assembly is fast, and the integral working efficiency is high; the bearing riveting assembly machine has higher practicability, can reduce the labor amount of bearing assembly, has higher practical value and popularization value, and can be widely applied to the field of miniature bearing riveting assembly.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a top view of an exemplary fully automated assembly system for a micro-bearing.

FIG. 2 is a side view of an exemplary fully automated micro-bearing assembly system.

Fig. 3 is a schematic riveting diagram 1 of a full-automatic assembling system for a micro bearing according to an embodiment.

Fig. 4 is a schematic riveting diagram 2 of a full-automatic assembling system for a micro bearing according to an embodiment.

Detailed Description

Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the prior art. Therefore, the present invention is an improvement of the prior art, which is substantially in the connection relationship between hardware, and not in the functions and methods themselves, that is, the present invention relates to a point of functions and methods, but does not include the improvements proposed in the functions and methods themselves. The description of the present invention as to functions and methods is provided for better illustration and understanding of the present invention.

Referring to fig. 1 to 4, fig. 1 is a top view of an embodiment of a full-automatic assembling system for a micro bearing; FIG. 2 is a side view of an exemplary fully automated micro-bearing assembly system; FIG. 3 is a schematic diagram of a riveting system of a full-automatic assembling system for a micro bearing according to an embodiment 1; fig. 4 is a schematic riveting diagram 2 of a full-automatic assembling system for a micro bearing according to an embodiment. In the drawings, each reference numeral indicates the following; the device comprises a rotary assembly table 1, a mounting groove 101, a first vibration dispenser 2, a second vibration dispenser 3, a third vibration dispenser 4, a roller dispensing device 5, a press machine 6, a riveting die 7, a discharging barrel 8, a discharging port 801, a feeding channel 802, a feeding port 803, a feeding shaft 9, a feeding groove 901, a riveting table 10, an assembly groove 1001, a mounting portion 1002, a threaded portion 1003, a supporting bearing 11, a driving motor 12, a vibration disc 13, a conveying channel 14, a bearing outer ring 15, a retainer 16, a bearing roller 17, a bearing inner ring 18, a swing seat 19, a swing rod 20 and a pushing portion 21.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, in an embodiment, the present invention provides a full-automatic assembling system for a micro bearing, which includes a rotating assembly table 1 capable of rotating circumferentially and a multi-stage throwing device disposed at an edge of the rotating assembly table 1; the full-automatic miniature bearing assembly device can put miniature bearing parts to be assembled in order according to the assembly order and automatically complete the assembly, does not need manual operation in the whole process, achieves the purpose of improving the bearing assembly efficiency, and can obviously improve the yield of miniature bearing assembly.

As shown in fig. 1 and 2, a plurality of riveting stations for riveting the miniature bearing are arranged on the upper surface of the rotary assembly table 1; each riveting station is provided with a riveting table 10 for receiving each part of the bearing in sequence, and each riveting table 10 is arranged in a circle; the miniature bearing parts to be assembled can be sequentially put into the riveting station, the multistage putting device for putting in each part of the miniature bearing comprises a first vibration putting device 2, a second vibration putting device 3 and a third vibration putting device 4 which can put in an outer bearing ring 15, a retainer 16 and an inner bearing ring 18 to the riveting station in sequence, and the first vibration putting device 2, the second vibration putting device 3 and the third vibration putting device 4 are arranged around the rotary assembly table 1; the multistage throwing device comprises a first vibration throwing device 2, a second vibration throwing device 3 and a third vibration throwing device 4 which can sequentially throw a bearing outer ring 15, a retainer 16 and a bearing inner ring 18 onto a riveting table 10, wherein the first vibration throwing device 2, the second vibration throwing device 3 and the third vibration throwing device 4 are arranged around a rotary assembly table 1; and a roller throwing device 5 capable of throwing the bearing roller 17 to the riveting station is arranged between the first vibration dispenser 2 and the second vibration dispenser 3 and between the second vibration dispenser 3 and the third vibration dispenser 4 corresponding to the upper part of the riveting table 10. When in throwing, firstly, the bearing outer ring 15 is thrown into a riveting station by the first vibration throwing device 2, then the bearing roller 17 is thrown into the outer ring by the roller throwing device 5, then the retainer 16 is thrown into the bearing outer ring 15 by the second vibration throwing device 3, then the bearing roller 17 is thrown into the bearing outer ring 15 by the roller throwing device 5, finally the bearing inner ring 18 is thrown into the riveting station by the third vibration throwing device 4, all bearing accessories can be assembled after the throwing is finished,

as shown in fig. 1 and 2, a riveting die 7 for applying a riveting pressure to the bearing outer ring 15 is arranged between the third vibration dispenser 4 and the first vibration dispenser 2 above the riveting table 10, and the riveting die 7 can vertically move up and down. When the riveting die 7 moves downwards, the riveting die 7 applies deformation pressure to the bearing outer ring 15, and the assembly of the miniature bearing is completed after the bearing outer ring 15 deforms. The rotary assembly table 1 is provided with a plurality of riveting stations, when each riveting station sequentially moves to the lower part of the multi-stage throwing device, each riveting station can receive bearing accessories, when in operation, the rotary assembly table 1 continuously rotates, the multi-stage throwing device continuously throws the accessories into the riveting stations, efficient continuous assembly is realized, the single piece processing time of single bearing assembly is kept for several seconds, the assembly efficiency of the miniature bearing is obviously improved, in the embodiment, the rotary assembly table 1 is preferentially driven by the driving motor 12, and the driving motor 12 can adopt a speed reduction motor, a servo motor and the like in the prior art.

As shown in fig. 1 and 2, in the present embodiment, the first vibration dispenser 2, the second vibration dispenser 3 and the third vibration dispenser 4 are preferably vibration type dispensers commonly used in the prior art, and the vibration type dispensers comprise a vibration disk 13 and a vibrator; vibration dish 13 sets up at the vibrator upside, the vibrator can drive vibration dish 13 vibrations, be equipped with the conveyer way 14 of puting in the bearing accessory on the vibration dish 13, conveyer way 14 extends to riveting platform 10 of riveting platform, vibration dish 13 is placed to each accessory of miniature bearing, the accessory is puted in to riveting platform 10 from conveyer way 14 in an orderly manner along with the vibration of vibration dish 13, be equipped with the shock dynamo in the vibrator inside, the shock dynamo passes through the wire and links to each other with external power source, it shakes to drive the vibrator through the motor.

As shown in fig. 1 and 2, when the multi-stage dropping device drops the bearing component onto the riveting table 10, the bearing component may fall to other positions of the rotating assembly set, and in order to avoid the offset of the dropping of the bearing component, the riveting table 10 is provided with an assembly groove 1001 on the upper surface, and the assembly groove 1001 can accommodate the bearing outer ring 15, the retainer 16, the bearing inner ring 18 and the bearing rollers 17 dropped by the first vibration dispenser 2, the second vibration dispenser 3, the third vibration dispenser 4 and the roller dropping device 5. The assembly groove 1001 can accommodate miniature bearing components thrown in by the multi-stage throwing device, and the assembly groove 1001 positions the components to prevent the bearing components from shifting during throwing.

As shown in fig. 1 and 2, in order to stably mount the caulking stations 10, a mounting portion 1002 extending downward is provided on a lower surface of each caulking station 10, each mounting portion 1002 is detachably mounted to the mounting groove 101 provided in the rotating assembly table 1, and the mounting portion 1002 is fitted with a support bearing provided in the mounting groove 101. The riveting platform 10 can be stably installed on the rotary assembly table 1 through the installation portion 1002, and the supporting bearing sleeved on the installation portion 1002 can play a role in laterally supporting the installation portion 1002, so that the installation stability of the riveting platform 10 is improved.

As shown in fig. 1 and 2, a screw portion 1003 screwed to the bottom of the mounting groove 101 is provided at the lower end of the mounting portion 1002 of each riveting stage 10. Riveting platform 10 is installed accessible spiro union portion 1003 and rotatory assembly cover screw thread adaptation behind mounting groove 101, conveniently dismantles when improving riveting platform 10 installation stability to the miniature bearing of the different specifications of convenient riveting assembly installation.

As shown in fig. 2, 3 and 4, in order to realize the orderly delivery of the bearing rollers 17, the roller delivery device 5 in the embodiment includes a feed cylinder 8 disposed above the riveting station and capable of conveying the bearing rollers 17; the upper end surface and the lower end surface of the lower charging barrel 8 are respectively provided with a feeding hole 803 and a discharging hole 801 which are arranged around the axis of the lower charging barrel 8, and a feeding channel 802 for communicating the feeding hole 803 and the discharging hole 801 is arranged in the lower charging barrel 8; a feeding shaft 9 capable of vertically moving up and down is arranged in the discharge port 801, when the feeding shaft 9 rises, the receiving and feeding shaft 9 can seal one end of the feeding channel 802 communicated with the discharge port 801, and when the feeding shaft 9 descends, the feeding channel 802 is communicated with the discharge port 801. In the material conveying process, the bearing rollers 17 can be rapidly and quantitatively put into the discharge port 801 through the up-and-down movement of the feeding shaft 9, the feeding shaft 9 capable of moving up and down in the vertical direction is arranged in the discharge port 801, one end, communicated with the discharge port 801, of the feeding channel 802 can be sealed after the feeding shaft 9 rises, the bearing rollers 17 can be stored in the feeding barrel after being sealed, after the feeding shaft 9 moves down, the feeding channel 802 is communicated with the discharge port 801, the discharge port 801 can be output by the bearing rollers 17, the rapid and quantitative putting of the bearing rollers 17 is completed, and the feeding efficiency is higher.

As shown in fig. 2, 3 and 4, a feed chute 901 is provided on the outer periphery of the lower end of the feed shaft 9 and extends inward around the feed shaft 9, and when the feed shaft 9 moves upward, the notch of the feed chute 901 communicates with the feed passage 802, and when the feed shaft 9 moves downward, the notch of the feed chute 901 communicates with the discharge port 801. Because the notch of the feeding groove 901 is communicated with the feeding channel 802, after the feeding channel 802 drops the bearing roller 17, the bearing roller 17 positioned at the lowest part of the feeding channel 802 can enter the feeding groove 901; after the feeding shaft 9 moves downwards, the bearing rollers 17 in the feeding groove 901 can enter the discharging hole 801 from the notch of the feeding groove 901, and the feeding of the bearing rollers 17 is realized. In some embodiments, in order to ensure that the bearing rollers 17 are smoothly delivered from the feeding chute 901 to the discharge port 801, the lower side wall of the feeding chute 901 is provided with a plurality of guide grooves arranged around the feeding shaft 9, and the bottom wall of the guide grooves has a certain inclination, so that the lower side wall of the feeding chute 901 is inclined downwards, and the inclination is preferably 5-10 degrees, so that the bearing rollers automatically roll to the discharge port 801 under the action of gravity.

As shown in fig. 2, 3 and 4, in order to improve the feeding accuracy, positioning columns are provided on the lower end surface of the feed shaft 9 so as to be arranged along the axial direction of the feed shaft 9. The positioning column can move downwards into the assembling groove 1001 of the riveting table in the up-and-down moving process, and the purpose of improving the throwing precision is achieved.

As shown in fig. 2, 3 and 4, the feeding channel 802 includes a vertical section which is communicated with the feeding port 803 and is arranged along the axial direction of the lower barrel 8, and the lower end of the vertical section is provided with a taper section communicated with the discharging port 801. The vertical section can accommodate the bearing roller 17 thrown into the charging barrel 8, and the tapered section can reduce the moving speed of the bearing roller 17 and ensure that the bearing roller 17 can be uniformly distributed in the feeding groove 901 after being output. In this embodiment, in order to prevent the bearing roller from being blocked in the feeding channel, an anti-blocking assembly is arranged in the feeding channel, and includes a plurality of nozzles arranged in a vertical section of the feeding channel, the nozzles are arranged toward the tapered section, and when the bearing roller is input into the vertical section, the bearing roller can enter the tapered section under the action of air flow, so as to achieve the purpose of preventing the bearing roller from being blocked.

As shown in fig. 2, 3 and 4, the lower charging barrel 8 is provided with a mounting hole for movably mounting the feeding shaft 9, and the mounting hole is arranged along the axis of the lower charging barrel 8. The feeding shaft 9 can be movably arranged in the mounting hole, and the feeding shaft 9 can stably move along the axis of the lower charging barrel 8 along the mounting hole. A plurality of linear bearings sleeved on the feeding shaft 9 are arranged in the mounting holes. The linear bearing sleeved on the feeding shaft 9 can reduce the friction force of the feeding shaft 9 moving up and down, and plays a role in reducing heating and abrasion.

As shown in fig. 2, 3 and 4, the depth of the feed chute 901 is adapted to the diameter of the bearing roller 17. When the depth of the feeding groove 901 is adapted to the diameter of the bearing roller 17, the feeding groove 901 can accommodate one circle of bearing rollers 17, so that one circle of bearing rollers 17 is thrown in a fixed amount each time, and the phenomenon that the number of the bearing rollers 17 thrown in each time is too large or too small is avoided.

As shown in fig. 2, 3 and 4, in this embodiment, in order to implement the automatic quantitative feeding of the bearing roller 17, a driving component for driving the feeding shaft 9 to move up and down is connected to the upper end of the feeding shaft 9, in this embodiment, the driving component is preferably driven by an air pump, a piston rod of the air pump is movably connected to the feeding shaft 9, so as to ensure that the feeding shaft 9 can move up and down under the driving of the air pump, and the air pump can be connected to an electrical automation control component such as a PLC controller through a circuit, and the PLC controller can also control the rotary assembly table 1, a multi-stage feeding device, and the like to perform linkage operation at the same time, so as to ensure the high.

As shown in fig. 1 and 2, the upper end of the riveting die 7 is provided with a detachable portion, the detachable portion is detachably connected to a press 6 provided at the edge of the rotary assembly table 1, and the press 6 can drive the riveting die 7 to move up and down in the vertical direction. The riveting die 7 can quickly complete the riveting assembly of the miniature bearing under the driving of the press 6.

As shown in fig. 1 and 2, a blanking device is disposed between the press machine 6 and the first vibratory feeder 2 corresponding to the riveting station, the blanking device includes a swing seat 19 disposed at an edge portion of the rotating assembly table 1, a swing rod 20 capable of swinging around the swing seat 19 is disposed on the swing seat 19, a pushing portion 21 extending above the riveting table 10 is disposed at a tail end of the swing rod 20, and when the swing rod 20 swings around the swing seat 19, the pushing portion 21 can push the micro bearing subjected to riveting assembly out of the rotating assembly table 1 along a tangential direction of the rotating assembly table 1. The miniature bearing after the riveting assembly can swing through the swing seat 19, so that the miniature bearing is pushed out of the rotary assembly table 1 along the tangential direction of the rotary assembly table 1, and the rapid blanking is realized.

While the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides a full automatic assembly system of miniature bearing which characterized in that: comprises a rotary assembly table (1) capable of rotating in the circumferential direction and a multi-stage throwing device arranged on the edge of the rotary assembly table (1);

the upper surface of the rotary assembly table (1) is provided with a plurality of riveting stations for riveting the miniature bearing; each riveting station is provided with a riveting table (10) for sequentially receiving each part of the bearing, and each riveting table (10) is arranged in a circle;

the multistage throwing device comprises a first vibration throwing device (2), a second vibration throwing device (3) and a third vibration throwing device (4), wherein the first vibration throwing device (2), the second vibration throwing device (3) and the third vibration throwing device (4) can sequentially throw a bearing outer ring (15), a retainer (16) and a bearing inner ring (18) onto a riveting table (10), and the first vibration throwing device (2), the second vibration throwing device (3) and the third vibration throwing device (4) are arranged around a rotary assembly table (1); a roller throwing device (5) capable of throwing bearing rollers (17) to a riveting station is arranged between the first vibration dispenser (2) and the second vibration dispenser (3) and between the second vibration dispenser (3) and the third vibration dispenser (4) and above the riveting table (10);

and a riveting die (7) for applying riveting pressure to the bearing outer ring (15) is arranged between the third vibration dispenser (4) and the first vibration dispenser (2) and above the corresponding riveting table (10), and the riveting die (7) can vertically move up and down.

2. The full-automatic assembling system for the micro bearing according to claim 1, wherein:

the upper surface of each riveting table (10) is provided with an assembly groove (1001), and the assembly grooves (1001) can accommodate a first vibration dispenser (2), a second vibration dispenser (3), a third vibration dispenser (4) and a bearing outer ring (15), a retainer (16), a bearing inner ring (18) and a bearing roller (17) which are dispensed by a roller dispensing device.

3. The full-automatic assembling system for the micro bearing according to claim 1, wherein:

each riveting platform (10) lower surface is equipped with downwardly extending installation department (1002), each installation department (1002) are installed in installing mounting groove (101) on rotary assembly platform (1) with detachable mode, the cover has support bearing (11) of setting in mounting groove (101) on installation department (1002).

4. The full-automatic assembling system for the micro bearing according to claim 1, wherein:

the lower end of the mounting part (1002) of each riveting table (10) is provided with a screw part (1003) which is screwed at the bottom of the mounting groove (101).

5. The full-automatic assembling system for the micro bearing according to claim 1, wherein:

the roller throwing device (5) comprises a blanking cylinder (8) which is arranged above the riveting table (10) and can convey the bearing roller (17); the feeding device is characterized in that a feeding hole (803) and a discharging hole (801) which are arranged around the axis of the lower charging barrel (8) are respectively formed in the upper end face and the lower end face of the lower charging barrel (8), and a feeding channel (802) for communicating the feeding hole (803) with the discharging hole (801) is formed in the lower charging barrel (8); the feeding shaft (9) capable of vertically moving up and down is arranged in the discharging port (801), and when the feeding shaft (9) moves up and down, the feeding shaft (9) can output the bearing roller input into the feeding channel (802) to the outside of the discharging port (801).

6. The fully automatic assembling system for the micro bearing according to claim 5, wherein:

the feeding shaft (9) is provided with a feeding groove (901) which is arranged around the feeding shaft (9) and extends inwards on the periphery of the lower end of the feeding shaft (9), when the feeding shaft (9) moves upwards, a notch of the feeding groove (901) is communicated with the feeding channel (802), the bearing roller can enter the feeding groove (901) from the feeding channel (802), when the feeding shaft (9) moves downwards, the notch of the feeding groove (901) is communicated with the discharging hole (801), and the bearing roller in the feeding groove (901) can enter the discharging hole (801) from the feeding groove (901).

7. The fully automatic assembling system for the micro bearing according to claim 5, wherein:

and the lower end surface of the feeding shaft (9) is provided with positioning columns which are axially arranged along the feeding shaft (9).

8. The fully automatic assembling system for the micro bearing according to claim 5, wherein:

the feeding channel (802) comprises a vertical section which is communicated with the feeding hole (803) and is arranged along the axial direction of the feeding barrel (8), and the lower end of the vertical section is provided with a taper section communicated with the discharging hole (801).

9. The full-automatic assembling system for the micro bearing according to claim 1, wherein:

riveting mould (7) upper end is equipped with dismouting portion, dismouting portion links to each other with press (6) of locating rotatory assembly jig (1) limit portion with detachable mode, press (6) can drive riveting mould (7) and reciprocate vertically.

10. The fully automatic assembling system for the micro bearing according to claim 9, wherein:

correspond riveting station top and be equipped with unloader between press (6) and first vibration dispenser (2), unloader is including swing seat (19) of locating rotatory assembly table (1) limit portion, be equipped with on swing seat (19) and to wind swing seat (19) wobbling swinging arms (20), swinging arms (20) end is equipped with promotion portion (21) to extending above riveting platform (10), works as when swinging arms (20) are around swing seat (19) swing, promotion portion (21) can be with the miniature bearing of riveting assembly completion along rotatory assembly table (1) tangential direction release rotatory assembly table (1).