CN213064379U - Automatic assembly robot workstation of no holder bearing - Google Patents

Abstract

A retainer-free needle bearing automatic assembly robot workstation comprises a main frame, a bearing outer ring automatic feeding device, a grease quantitative filling mechanism, a needle roller automatic feeding mechanism, an oil filling assembly working mechanism, a visual detection system, an end cover automatic press-fitting mechanism, a robot automatic stacking mechanism and a system control cabinet; the bearing outer ring automatic feeding device, the grease quantitative filling mechanism, the roller pin automatic feeding mechanism, the oil filling assembly working mechanism, the visual detection system, the end cover automatic press-fitting mechanism and the robot automatic stacking mechanism are all arranged on the main frame; has the advantages of low labor intensity, high working efficiency, controllable filling amount of the grease and good product quality.

Description

Automatic assembly robot workstation of no holder bearing

The technical field is as follows:

the utility model relates to an engineering mechanical equipment technical field, the more specifically automatic assembly robot workstation of no holder bearing that says so.

Background art:

with the conversion of domestic economic development modes, the population dividend disappears, the former low-end production mode depending on labor intensity is difficult to continue, under the large background of the transformation and upgrading of the manufacturing industry, the automation, the continuity, the high efficiency and the high quality of the assembly of the needle roller bearing without the retainer are achieved, and the method is also a specific requirement for promoting the intelligent manufacturing to realize the transformation and upgrading of the production modes of the company.

The manual assembly of the needle roller bearing without the retainer is labor-intensive, and has the advantages of high labor intensity, low working efficiency, uncontrollable grease filling amount and poor product quality consistency. The successful research and development of the automatic assembly robot workstation for the needle bearing without the retainer can effectively solve the problems, and meanwhile, the equipment has the advantages that firstly, the mechanical assembly automation degree is gradually improved under the modern background, the assembly efficiency is favorably improved, and the production cost and the management cost of products can be reduced to the minimum. Secondly, the realization of automation can also provide powerful guarantee for the realization of pipelined mode, consequently, use mechanized facilities to the work that has great amount of labour, can reduce staff intensity of labour to a certain extent. Finally, the automation degree of mechanical equipment is improved, and adverse effects of subjective factors such as fatigue, negligence and emotion of workers on product quality can be minimized.

The invention content is as follows:

for solving the problem, overcome the not enough of prior art, the utility model provides a work station of no holder bearing automation assembly robot that intensity of labour is little, work efficiency is high, butter filling volume is controllable, product quality is good.

The utility model provides a no holder bearing automatic assembly robot workstation, including total frame, bearing inner race automatic feed device, grease ration filling mechanism, kingpin automatic feed mechanism, oiling assembly operating mechanism, visual detection system, end cover automatic press fitting mechanism, robot automatic pile up neatly mechanism and system control cabinet; the bearing outer ring automatic feeding device, the grease quantitative filling mechanism, the roller pin automatic feeding mechanism, the oil filling assembly working mechanism, the visual detection system, the end cover automatic press-fitting mechanism and the robot automatic stacking mechanism are all arranged on the main frame;

the bearing outer ring automatic feeding device, the grease quantitative filling mechanism, the roller pin automatic feeding mechanism, the oil filling assembly working mechanism, the visual detection system, the end cover automatic press-fitting mechanism and the robot automatic stacking mechanism are all electrically connected with the system control cabinet.

Further, the automatic bearing outer ring feeding device comprises a first rack, a sliding plate, a pneumatic material blocking mechanism, a pneumatic material pressing mechanism, a pneumatic material pushing mechanism and a bearing outer ring conveying line; the sliding plate is arranged on the first rack, the sliding plate is obliquely arranged, the tail of the sliding plate is provided with a pneumatic material pressing mechanism, the lower portion of the sliding plate is provided with a pneumatic material blocking mechanism, a bearing outer ring conveying line is arranged below the sliding plate, and the other end of the bearing outer ring conveying line is provided with a pneumatic material pushing mechanism.

Further, the grease quantitative filling mechanism comprises a grease quantitative filling machine, a grease filling hose and an automatic grease filling mold, wherein the automatic grease filling mold comprises a grease plugging surface, a grease filling mold, a grease filling hole and a grease outlet hole; one end of the oil filling hose is connected with the grease quantitative filling machine, and the other end of the oil filling hose is connected with the oil filling hole; the oil injection mould and the oil plugging surface are sequentially arranged at one end of the automatic oil injection mould, and the diameter of the oil plugging surface is larger than that of the oil injection mould; the circumferential surface of the oil injection mould is provided with a plurality of oil outlets, and the oil outlets and the oil injection holes are communicated in the automatic oil injection mould; the other end of the automatic oiling mold is provided with a cylinder used for pushing the automatic oiling mold to move.

Further, the roller pin automatic feeding mechanism comprises a second rack, a vibrating disc roller pin feeding machine, an actuating mechanism mounting plate assembly, an electric rotating mechanism assembly, a pneumatic linear motion mechanism and a roller pin feeding preassembly mechanism; the vibrating disc roller pin feeding machine, the actuating mechanism mounting plate assembly and the roller pin feeding preassembly mechanism are all arranged at the upper part of the second rack; the vibration disc roller pin feeding machine is connected with the roller pin feeding preassembling mechanism; the electric rotating mechanism assembly and the pneumatic linear motion mechanism are arranged on two sides of the actuating mechanism mounting plate assembly.

Further, the oil injection assembly working mechanism comprises an oil injection assembly automatic telescopic die assembly, an oil injection assembly positioning tool and a double-gripper two-shaft pneumatic conveying mechanism; the oiling positioning tool is arranged at one end of the oiling assembling automatic telescopic die assembly, and the double-gripper two-shaft pneumatic carrying mechanism is arranged above the oiling positioning tool.

Further, the automatic end cover press-mounting mechanism comprises a third rack, an automatic end cover distribution mechanism, an end cover press-mounting mechanism and an unqualified product tray; the automatic end cover distributing mechanism and the end cover press-fitting mechanism are both arranged on the upper portion of the third rack, and the unqualified product tray is arranged on one side of the third rack.

Further, the robot automatic stacking mechanism comprises a body, a base, an end effector and a double-station stacking tray assembly; the body sets up in the middle of duplex position pile up neatly tray assembly.

The utility model has the advantages that:

the utility model provides an automatic assembly robot workstation of no holder bearing thoroughly solves that manual assembly does not have holder bearing work intensity of labour is big, work efficiency is low, the butter filling volume is uncontrollable, the relatively poor problem of product quality uniformity, has that intensity of labour is little, work efficiency is high, the butter filling volume is controllable, product quality is good advantage.

Description of the drawings:

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic diagram of the enlarged structure of the detail of the automatic feeding device for the outer ring of the bearing of the present invention;

FIG. 4 is a schematic diagram of the detail enlarged structure of the grease quantitative filling machine of the present invention;

FIG. 5 is a schematic diagram of the detailed enlarged structure of the automatic oiling mold of the present invention;

FIG. 6 is a schematic diagram of the detailed enlarged structure of the automatic needle roller feeding mechanism of the present invention;

FIG. 7 is a schematic diagram of the detail enlarged structure of the oil injection assembly working mechanism of the present invention;

FIG. 8 is a schematic view of the detail enlarged structure of the automatic telescopic die assembly for oil injection assembly of the present invention;

FIG. 9 is a schematic view of the oil injection assembly positioning tool of the present invention showing a detailed enlarged structure;

fig. 10 is a schematic diagram of a detailed enlarged structure of the double-gripper two-shaft pneumatic conveying mechanism of the utility model;

FIG. 11 is a schematic diagram of a detail magnifying structure of the vision inspection system of the present invention;

FIG. 12 is a schematic view of the detailed enlarged structure of the automatic press-fitting mechanism for end caps of the present invention;

FIG. 13 is a detailed enlarged structural schematic diagram of the automatic robot palletizing mechanism of the utility model;

FIG. 14 is a general PLC control flow chart of the present invention;

FIG. 15 is a PLC control flow chart of the bearing outer ring automatic feeding mechanism part of the utility model;

FIG. 16 is a PLC control flow chart of the oil injection assembly mechanism part of the present invention;

fig. 17 is the utility model discloses an automatic pile up neatly mechanism part PLC control flow chart of robot.

In the drawings: 1. an automatic bearing outer ring feeding device, 2, a grease quantitative filling mechanism, 3, a roller automatic feeding mechanism, 4, an oiling assembly working mechanism, 5, a visual detection system, 6, an automatic end cover press-mounting mechanism, 7, a robot automatic stacking mechanism, 8, a system control cabinet, 11, a first machine frame, 12, a sliding plate, 13, a pneumatic material stopping mechanism, 14, a pneumatic material pressing mechanism, 15, a pneumatic material pushing mechanism, 16, a bearing outer ring conveying line, 21, a grease quantitative filling machine, 22, an oiling hose, 23, an automatic oiling mold, 231, an oil blocking surface, 232, an oiling mold, 233, an oiling hole, 234, an oil outlet hole, 31, a second machine frame, 32, a vibrating disk roller feeding machine, 33, an execution mechanism mounting plate assembly, 34, an electric rotating mechanism assembly, 35, a pneumatic linear motion mechanism, 36, a roller feeding pre-installing mechanism, 321 and a vibrating disk, 322. a needle roller conveying hose 341, a speed reducing motor 342, a rotating shaft 351, a cylinder 352, a needle roller pushing head 361, a needle roller storage device 362, a needle roller pre-installation mould, 363, a needle roller pre-installation mould sleeve 41, an oil injection assembly automatic telescopic mould assembly 42, an oil injection assembly positioning tool 43, a double-gripper pneumatic two-shaft conveying mechanism 411, an installation platform 412, an oil injection mould telescopic assembly 413, a needle roller assembly mould 4131 telescopic assembly 421, a throwing station 422, a station to be grabbed 423, an automatic needle roller assembly station 424, an oil injection station 431, a rodless cylinder installation support 432, a rodless cylinder 433, a rodless cylinder three-shaft cylinder connecting piece 434, a three-shaft cylinder 435, a pneumatic clamping jaw installation plate 436, a gas work clamping jaw 437, a gas work clamping jaw accessory 4131, a needle roller assembly mould 61, a third frame 62 and an end cover automatic material distributing mechanism, 63. the automatic material distribution device comprises an end cover press-fitting mechanism, 64 an unqualified product tray, 621 a material distribution double-shaft cylinder, 622 an end cover push head, 623 an end cover bin, 71 a body, 72 a base, 73 an end effector, 74 and a double-station stacking tray assembly.

The specific implementation mode is as follows:

in order to make the purpose, technical solution and advantages of the present invention more clear, the following will combine the accompanying drawings 1-17 of the present invention to perform more detailed description of the present invention.

The utility model provides a no holder bearing automatic assembly robot workstation, including total frame, bearing inner race automatic feed device 1, grease ration filling mechanism 2, bearing roller automatic feed mechanism 3, oiling assembly operating mechanism 4, visual detection system 5, end cover automatic press fitting mechanism 6, robot automatic stacking mechanism 7 and system control cabinet 8; the bearing outer ring automatic feeding device 1, the grease quantitative filling mechanism 2, the roller pin automatic feeding mechanism 3, the oil filling assembly working mechanism 4, the visual detection system 5, the end cover automatic press-fitting mechanism 6 and the robot automatic stacking mechanism 7 are all arranged on the main frame; the bearing outer ring automatic feeding device 1, the grease quantitative filling mechanism 2, the roller pin automatic feeding mechanism 3, the oil filling assembly working mechanism 4, the visual detection system 5, the end cover automatic press-fitting mechanism 6 and the robot automatic stacking mechanism 7 are all electrically connected with a system control cabinet 8; the bearing outer ring automatic feeding device 1 comprises a first rack 11, a sliding plate 12, a pneumatic material stopping mechanism 13, a pneumatic material pressing mechanism 14, a pneumatic material pushing mechanism 15 and a bearing outer ring conveying line 16; the sliding plate 12 is arranged on the first rack 11, the sliding plate 12 is obliquely arranged, the tail part of the sliding plate 12 is provided with a pneumatic material pressing mechanism 14, the lower part of the sliding plate 12 is provided with a pneumatic material blocking mechanism 13, a bearing outer ring conveying line 16 is arranged below the sliding plate 12, and the other end of the bearing outer ring conveying line 16 is provided with a pneumatic material pushing mechanism 15; the grease quantitative filling mechanism 2 comprises a grease quantitative filling machine 21, a grease hose 22 and an automatic grease filling mold 23, wherein the automatic grease filling mold 23 comprises a grease blocking surface 231, a grease filling mold 232, a grease filling hole 233 and a grease outlet 234; one end of the oil filling hose 22 is connected with the grease quantitative filling machine 21, and the other end of the oil filling hose 22 is connected with the oil filling hole 233; the oil injection mould 232 and the oil blocking surface 231 are sequentially arranged at one end of the automatic oil injection mould 23, and the diameter of the oil blocking surface 231 is larger than that of the oil injection mould 232; a plurality of oil outlets 234 are formed in the circumferential surface of the oil injection mold 232, and the oil outlets 234 are communicated with the oil injection holes 233 in the automatic oil injection mold 23; the other end of the automatic oiling mold 23 is provided with a cylinder for pushing the automatic oiling mold 23 to move; the needle roller automatic feeding mechanism 3 comprises a second frame 31, a vibrating disc needle roller feeding machine 32, an actuating mechanism mounting plate assembly 33, an electric rotating mechanism assembly 34, a pneumatic linear motion mechanism 35 and a needle roller feeding pre-installation mechanism 36; the vibrating disc needle roller feeding machine 32, the actuator mounting plate assembly 33 and the needle roller feeding pre-assembly mechanism 36 are all arranged at the upper part of the second frame 31; the vibration disc roller pin feeding machine 32 is connected with a roller pin feeding pre-installation mechanism 36; the electric rotating mechanism assembly 34 and the pneumatic linear motion mechanism 35 are arranged on two sides of the actuator mounting plate assembly 33; the oil injection assembly working mechanism 4 comprises an oil injection assembly automatic telescopic die assembly 41, an oil injection assembly positioning tool 42 and a double-gripper two-shaft pneumatic conveying mechanism 43; the oil injection assembly positioning tool 42 is arranged at one end of the oil injection assembly automatic telescopic die assembly 41, and the double-gripper two-shaft pneumatic conveying mechanism 43 is arranged above the oil injection assembly positioning tool 42; the automatic end cover press-mounting mechanism 6 comprises a third rack 61, an automatic end cover distributing mechanism 62, an end cover press-mounting mechanism 63 and an unqualified product tray 64; the automatic end cover distributing mechanism 62 and the end cover press-fitting mechanism 63 are both arranged at the upper part of the third rack 61, and the unqualified product tray 64 is arranged at one side of the third rack 61; the robot automatic stacking mechanism 7 comprises a body 71, a base 72, an end effector 73 and a double-station stacking tray assembly 74; the body 71 is disposed in the middle of a dual station palletizing tray assembly 74.

The utility model discloses a one of them embodiment as follows:

to the not enough of no holder bearing assembly process, based on the design theory of no holder bearing assembly automation, serialization, high efficiency, intelligent production, the utility model discloses organic integrated PLC control technology, pneumatic technology, visual detection technique and robot technique realize the automatic feed of all spare parts of no holder bearing production process, functions such as automatic quantitative even oiling, automatic assembly, automated inspection, the automatic pile up neatly of robot in the bearing inner race hole.

The needle roller bearing without the retainer consists of a bearing outer ring, a needle roller inside and end covers on two sides, and butter is coated on the inner hole wall of the bearing outer ring.

The automatic assembly robot workstation for the needle bearing without the retainer comprises 8 functional modules, an automatic bearing outer ring feeding mechanism, a grease quantitative filling mechanism 2, an automatic needle roller feeding mechanism 3, an oil injection assembly working mechanism 4, a visual detection system 5, an automatic end cover press-fitting mechanism 6, an automatic robot stacking mechanism 7 and a system control cabinet 8, wherein the functional modules and electrical control components are organically integrated to realize automatic feeding, automatic oil injection, automatic assembly, automatic detection and automatic stacking in the production process of the needle bearing without the retainer.

The bearing outer ring automatic feeding mechanism comprises six parts, namely a first rack 11, a sliding plate 12, a pneumatic material blocking mechanism 13, a pneumatic material pressing mechanism 14, a pneumatic material pushing mechanism 15 and a bearing outer ring conveying line 16.

The bearing outer ring is put in batches by the staff and is put on bearing outer ring automatic feed mechanism's slide 12, and the bearing outer ring can wholly slide down under the effect of gravity, for the orderly gliding of control bearing outer ring, has set up pneumatic stock stop 13 between bearing outer ring transfer chain 16 and slide 12, and pneumatic stock stop 13 can prevent that the bearing outer ring from sliding to bearing outer ring transfer chain 16. Meanwhile, a pneumatic material pressing mechanism 14 is installed on the sliding plate 12, and the pneumatic material pressing mechanism 14 mainly functions to press the second row of bearing outer rings (counted from bottom to top) and cooperates with the pneumatic material blocking mechanism 13 to separate the bearing outer rings on the sliding plate 12 from the first row of bearing outer rings (counted from bottom to top).

The work realization flow of the bearing outer ring automatic feeding mechanism is as follows:

(1) the equipment is in an initial state (at the moment, the cylinder of the pneumatic material blocking mechanism 13 extends out, and the cylinder of the pneumatic material pressing mechanism 14 retracts);

(2) a worker puts the bearing outer rings on the sliding plate 12 in batches, and the sliding plate 12 can put 100 bearing outer rings at a time;

(3) the cylinder of the pneumatic pressing mechanism 14 extends out, and the pressing plate on the pneumatic pressing mechanism 14 presses the second row of bearing outer rings (counted from bottom to top);

(4) the cylinder of the pneumatic material pressing mechanism 14 retracts, and the first row of bearing outer rings automatically roll to the bearing outer ring conveying line 16;

(5) the bearing outer ring conveying line 16 conveys the bearing outer ring to a material pushing station of the pneumatic material pushing mechanism 15, meanwhile, the cylinder of the pneumatic material blocking mechanism 13 extends out, the cylinder of the pneumatic material pressing mechanism 14 retracts, and the bearing outer ring automatically slides to the L-shaped plate of the pneumatic material blocking mechanism 13;

(6) and the pneumatic material pushing mechanism 15 pushes the outer ring of the bearing to the automatic oiling station.

The bearing outer ring automatic feeding mechanism is simple in structure, small in occupied area of equipment, high in feeding speed and capable of well meeting requirements of production beats.

In order to improve the efficiency of the automatic assembly of the roller pins, the roller pin assembly comprises two steps of roller pin preassembly and roller pin assembly.

The roller pin is preassembled to the periphery of the roller pin preassembling mould 362 through the roller pin automatic feeding mechanism 3 according to the actual assembling state, and the preassembling work can be carried out simultaneously with the bearing outer ring carrying work, so that the waiting time of roller pin assembling can be greatly reduced, and the roller pin assembling efficiency is improved.

The needle roller automatic feeding system consists of six parts, namely a second frame 31, a needle roller feeding machine 32 of a vibration disc 321, an actuator mounting plate assembly 33, an electric rotating mechanism assembly 34, a pneumatic linear motion mechanism 35 and a needle roller feeding pre-assembly mechanism 36.

The roller pin preassembling working principle is as follows: the rolling needle pre-installation mould 362 is connected with the speed reducing motor 341 through a rotating shaft 342, the rolling needle pre-installation mould 362 can freely rotate in the rolling needle pre-installation mould sleeve 363, rolling needles are thrown into the rolling needle storage device 361 through the rolling needle conveying hose 322 by the vibrating disc 321, and the rolling needles can freely fall into a groove of the rolling needle pre-installation mould 362 when the speed reducing motor 341 rotates, and are uniformly filled into a cavity formed by the rolling needle pre-installation mould 362 and the rolling needle pre-installation mould sleeve 363.

The oil injection assembly process is completed by the grease quantitative filling mechanism 2 and the oil injection assembly working mechanism 4 together.

The oil injection assembly working mechanism 4 consists of an oil injection assembly automatic telescopic die assembly 41, an oil injection assembly positioning tool 42 and a double-gripper two-shaft pneumatic conveying mechanism 43;

the grease quantitative filling mechanism 2 has the function of quantitatively filling oil to the oil filling station of the oil filling and assembling mechanism. The grease quantitative filling mechanism 2 inputs a starting signal and an output signal, can be controlled by a system PLC, and can realize the automatic grease filling function of a production line.

The oil filling hose 22 led out from the grease quantitative filling machine 21 is connected to an oil filling hole 233 of the automatic oil filling mold 23, after the bearing outer ring is pushed to an automatic oil filling station, the cylinder at one end of the automatic oil filling mold 23 extends, the oil filling mold 232 can automatically extend into an inner hole of the bearing outer ring, the oil filling mold 232 and the bearing outer ring keep concentric, after an oil blocking surface 231 of the automatic oil filling mold 23 is tightly connected with the end surface of the bearing outer ring, the grease quantitative filling machine 21 can fill oil into an annular cavity of the stroke of the oil filling mold 232 and the inner hole of the bearing outer ring through the oil filling hole 233, grease uniformly flows out from the oil outlet 234, after the annular cavity is filled with the oil, the cylinder at one end of the automatic oil filling mold 23 retracts, the oil filling mold 232 is separated from the bearing outer ring, and.

The grease quantitative filling mechanism 2 has the advantages of high grease filling speed, uniform grease filling, difficult overflow of grease and simple structure.

The automatic telescopic die assembly 41 for oil injection assembly is composed of three parts, namely an installation platform 411, an oil injection die telescopic assembly 412 and a needle roller assembly die 4131 telescopic assembly 413, wherein the oil injection die telescopic assembly 412 is connected with a grease quantitative filling machine 21 through an oil supply hose, and when the outer ring of the bearing is put to an oil injection station of the oil injection assembly positioning tool 42, the automatic oil injection die 23 can automatically extend to the inner hole of the outer ring of the bearing to perform uniform quantitative oil injection on the inner wall of the outer ring of the bearing; the bearing outer ring which finishes oiling is conveyed to a roller pin automatic assembly station 423 of the oiling assembly positioning tool 42 from an oiling station 424 of the oiling assembly positioning tool 42 by a double-gripper two-shaft pneumatic conveying mechanism 43, and a roller pin assembly mold 4131 can automatically extend to an inner hole of the bearing outer ring at the roller pin automatic assembly station 423 and cooperate with an automatic roller pin feeding system to realize automatic assembly of the roller pins; the mounting platform 411 is also a mounting carrier for the oil injection assembly positioning tool 42 and the double-gripper two-axis pneumatic conveying mechanism 43.

The oiling assembly positioning tool 42 is composed of a positioning tool and an oiling assembly double-shaft cylinder, and four functional areas are an oiling station 424, a rolling needle automatic assembly station 423, a releasing station 421 and a station 422 to be grabbed respectively. The function of the oil injection assembly double-shaft cylinder is to push a workpiece from the putting station 421 to the station 422 to be grabbed along the tooling slide way.

The double-gripper two-shaft pneumatic conveying mechanism 43 comprises a rodless cylinder mounting bracket 431, a rodless cylinder 432, a rodless cylinder three-shaft cylinder connecting piece 433, a three-shaft cylinder 434, a pneumatic clamping jaw mounting plate 435, a pneumatic clamping jaw 436 and a pneumatic clamping jaw accessory 437, and the double-gripper two-shaft pneumatic conveying mechanism 43 has the function of transporting workpieces from an oil injection station 424 to a roller pin automatic assembly station 423 and from the roller pin automatic assembly station 423 to a release station 421; the transfer between the two stations is carried out simultaneously.

The working principle of needle roller assembly is as follows: after the needle roller is preassembled, the air cylinder of the pneumatic linear motion mechanism 35 can automatically extend, the needle roller pushing head 352 pushes the needle roller into a bearing outer ring which is concentric with and closely contacted with the needle roller preassembly mold sleeve in advance, the bearing outer ring and the needle roller assembling mold 4131 form an annular cavity, the cavity can be just filled with the assembled needle roller, the needle roller pushing head 352 pushes the needle roller in place and then automatically returns, the needle roller assembling mold 4131 also automatically retracts, the needle roller is uniformly attached to an inner hole of the bearing outer ring under the adhesion of grease, and the needle roller bearing outer ring is assembled. The assembly speed is fast, the assembly quality is stable, and the assembly structure is simple.

The visual detection system 5 is composed of a camera, a lens, a light source, a hardware mounting support and an image processing system, the visual detection system 5 is used for detecting whether the bearing outer ring needle roller assembly unit is qualified or not at a visual detection station, qualified products are put to an end cover press-fitting station by the automatic robot stacking system for end cover assembly, and unqualified products are put to a waste recycling station by the automatic robot stacking system.

The vision inspection system 5 converts the detected target into an image signal by using a CCD camera, transmits the image signal to a special image processing system, converts the image signal into a digital signal according to the information of pixel distribution, brightness, color and the like, performs various operations on the signal by the image processing system to extract the characteristics of the target, such as area, quantity, position and length, and outputs the result according to preset allowance and other conditions, including size, angle, number, qualification/disqualification, existence/nonexistence and the like, thereby realizing the automatic identification function.

The automatic end cover press-fitting mechanism 6 comprises a third rack 61, an automatic end cover distributing mechanism 62, an end cover press-fitting mechanism 63 and an unqualified product tray 64, the automatic end cover press-fitting mechanism 6 and the automatic robot stacking mechanism 7 cooperate to realize automatic press-fitting of the needle bearing end cover without the retainer at an end cover press-fitting station, and meanwhile, the mechanism also has the function of storing a small amount of unqualified products.

The automatic end cover distribution mechanism 62 is composed of a distribution double-shaft cylinder 621, an end cover push head 622 and an end cover storage bin 623, the end cover push head 622 is arranged at the end part of the distribution double-shaft cylinder 621, and the automatic end cover distribution mechanism 62 can accurately place end covers in the end cover storage bin 623 one by one to an end cover press-fitting station.

The automatic robot palletizing mechanism 7 is composed of a body 71, a base 72, an end effector 73 and a double-station palletizing tray assembly 74, wherein the end effector 73 is a pneumatic clamping jaw, and the automatic robot palletizing mechanism 7 has the function of carrying, palletizing and storing a needle roller bearing without a retainer. The carrying work of the automatic robot stacking mechanism 7 comprises the steps that the retainer-free needle roller bearing is grabbed to a visual detection station by a station to be grabbed of the oil injection assembly positioning tool 42 for detection, if the product is unqualified, the product is put into an unqualified product tray 64 of the automatic end cover press-fitting mechanism 6 through the visual detection station, if the product is qualified, the product is put into an end cover press-fitting station for press-fitting, and after the press-fitting is completed, the product is carried to a double-station stacking tray assembly 74 for stacking.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a no cage bearing automatic assembly robot workstation which characterized in that: the automatic oil filling device comprises a main frame, a bearing outer ring automatic feeding device (1), an oil quantitative filling mechanism (2), a rolling needle automatic feeding mechanism (3), an oil filling assembly working mechanism (4), a visual detection system (5), an end cover automatic press-fitting mechanism (6), a robot automatic stacking mechanism (7) and a system control cabinet (8); the bearing outer ring automatic feeding device (1), the grease quantitative filling mechanism (2), the roller pin automatic feeding mechanism (3), the oil filling assembly working mechanism (4), the visual detection system (5), the end cover automatic press-fitting mechanism (6) and the robot automatic stacking mechanism (7) are all arranged on the main frame;

the automatic bearing outer ring feeding device (1), the grease quantitative filling mechanism (2), the roller pin automatic feeding mechanism (3), the oil injection assembly working mechanism (4), the visual detection system (5), the automatic end cover press-fitting mechanism (6) and the automatic robot stacking mechanism (7) are all electrically connected with the system control cabinet (8).

2. The cage-less needle bearing automated assembly robotic workstation of claim 1, wherein: the automatic bearing outer ring feeding device (1) comprises a first rack (11), a sliding plate (12), a pneumatic material blocking mechanism (13), a pneumatic material pressing mechanism (14), a pneumatic material pushing mechanism (15) and a bearing outer ring conveying line (16); the improved pneumatic material pushing device is characterized in that the sliding plate (12) is arranged on the first rack (11), the sliding plate (12) is obliquely arranged, a pneumatic material pressing mechanism (14) is arranged at the tail of the sliding plate (12), a pneumatic material blocking mechanism (13) is arranged at the lower part of the sliding plate (12), a bearing outer ring conveying line (16) is arranged below the sliding plate (12), and a pneumatic material pushing mechanism (15) is arranged at the other end of the bearing outer ring conveying line (16).

3. The cage-less needle bearing automated assembly robotic workstation of claim 1, wherein: the grease quantitative filling mechanism (2) comprises a grease quantitative filling machine (21), a grease hose (22) and an automatic grease injection mold (23), wherein the automatic grease injection mold (23) comprises a grease blocking surface (231), a grease injection mold (232), a grease injection hole (233) and a grease outlet hole (234); one end of the oil filling hose (22) is connected with the grease quantitative filling machine (21), and the other end of the oil filling hose (22) is connected with the oil filling hole (233); the oil injection mould (232) and the oil blocking surface (231) are sequentially arranged at one end of the automatic oil injection mould (23), and the diameter of the oil blocking surface (231) is larger than that of the oil injection mould (232); a plurality of oil outlets (234) are formed in the circumferential surface of the oil injection mould (232), and the oil outlets (234) are communicated with the oil injection holes (233) in the automatic oil injection mould (23); and the other end of the automatic oiling mold (23) is provided with a cylinder for pushing the automatic oiling mold (23) to move.

4. The cage-less needle bearing automated assembly robotic workstation of claim 1, wherein: the automatic needle roller feeding mechanism (3) comprises a second rack (31), a vibrating disc needle roller feeding machine (32), an actuating mechanism mounting plate assembly (33), an electric rotating mechanism assembly (34), a pneumatic linear motion mechanism (35) and a needle roller feeding pre-installation mechanism (36); the vibrating disc needle roller feeding machine (32), the actuator mounting plate assembly (33) and the needle roller feeding pre-assembly mechanism (36) are all arranged at the upper part of the second rack (31); the vibration disc roller pin feeding machine (32) is connected with a roller pin feeding pre-installation mechanism (36); the electric rotating mechanism assembly (34) and the pneumatic linear motion mechanism (35) are arranged on two sides of the actuator mounting plate assembly (33).

5. The cage-less needle bearing automated assembly robotic workstation of claim 1, wherein: the oil injection assembly working mechanism (4) comprises an oil injection assembly automatic telescopic die assembly (41), an oil injection assembly positioning tool (42) and a double-gripper two-shaft pneumatic conveying mechanism (43); the double-gripper two-axis pneumatic conveying mechanism is characterized in that the oiling assembling and positioning tool (42) is arranged at one end of the oiling assembling automatic telescopic die assembly (41), and the double-gripper two-axis pneumatic conveying mechanism (43) is arranged above the oiling assembling and positioning tool (42).

6. The cage-less needle bearing automated assembly robotic workstation of claim 1, wherein: the automatic end cover press-mounting mechanism (6) comprises a third rack (61), an automatic end cover distribution mechanism (62), an end cover press-mounting mechanism (63) and an unqualified product tray (64); the automatic end cover distributing mechanism (62) and the end cover press-fitting mechanism (63) are arranged on the upper portion of the third rack (61), and the unqualified product tray (64) is arranged on one side of the third rack (61).

7. The cage-less needle bearing automated assembly robotic workstation of claim 1, wherein: the robot automatic stacking mechanism (7) comprises a body (71), a base (72), an end effector (73) and a double-station stacking tray assembly (74); the body (71) is arranged in the middle of the double-station stacking tray assembly (74).

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