CN209094916U

CN209094916U - A kind of machine for automatically assembling needle bearing

Info

Publication number: CN209094916U
Application number: CN201821611522.5U
Authority: CN
Inventors: 冯雨宸; 王刚
Original assignee: Nanjing Songchenda Electronics Co Ltd
Current assignee: Nanjing Songchenda Electronics Co Ltd
Priority date: 2018-09-29
Filing date: 2018-09-29
Publication date: 2019-07-12
Anticipated expiration: 2028-09-29

Abstract

A kind of machine for automatically assembling needle bearing is provided with the first turntable and the second turntable on workbench, and the first turntable and the second turntable are respectively set there are four uniformly distributed clamping jaw one and clamping jaw two, and the position of clamping jaw one is above the position setting of clamping jaw two；Assembly line is provided between first turntable and the second turntable；Automatic error-correcting mechanism, needle roller assemble mechanism and oiling and mechanism for testing are disposed with around first turntable in the counterclockwise direction, a transfer supporting mechanism is equipped with below needle roller assemble mechanism and oiling and mechanism for testing, it is symmetrical arranged with around the second turntable about assembly line around first turntable, axle sleeve overlap joint hold-down mechanism is provided with above assembly line.The machine for automatically assembling needle bearing of the utility model design realizes the full automatic working of needle bearing assembly, and avoiding manual operation influences product quality, improves production efficiency, improves assembly precision, is suitble to promote.

Description

A kind of machine for automatically assembling needle bearing

Technical field

The present invention relates to a kind of machine for automatically assembling needle bearing, belong to field of automation technology.

Background technique

Needle bearing is that component that is fixed and reducing load coefficient of friction, its main function are played in mechanical transmission course It is to support mechanical rotary body, to reduce mechanical load coefficient of friction of the equipment in transmission process.Due to current domestic needle roller The needle roller assembly process of bearing still depends on manual operation, and manual operation difficulty is larger, cost it is at high cost, and fill It is not high with successful bearing quality, the inefficiency of assembly, and it is also easy to safety accident occur during manual assembly.

Therefore, in order to avoid manual assembly influences bearing quality, in order to improve the production efficiency, assembly precision is improved, having must A kind of machine for automatically assembling needle bearing is designed to solve the above problems.

Summary of the invention

To overcome the deficiencies in the prior art described above, the purpose of the present invention is to provide a kind of needle bearing automatic assemblings Machine.

In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of machine for automatically assembling needle bearing, including work Platform is provided with the first turntable and the second turntable on the workbench, and first turntable is respectively arranged with second turntable Four uniformly distributed clamping jaws one and clamping jaw two, the position of the clamping jaw one are above the position setting of the clamping jaw two；Described first It is provided with assembly line between turntable and second turntable, when one of clamping jaw one of first turntable turns to assembly line When top, one of clamping jaw two of second turntable just turns to the underface of the clamping jaw one；First turntable Surrounding is disposed with automatic error-correcting mechanism, needle roller assemble mechanism and oiling and mechanism for testing, the needle roller in the counterclockwise direction A transfer supporting mechanism is equipped with below assemble mechanism and the oiling and mechanism for testing, with described the around first turntable It is symmetrical arranged around two turntables about the assembly line, axle sleeve overlap joint hold-down mechanism is provided with above the assembly line；

The automatic error-correcting device includes the electronic slide unit that one upper side of the first turntable is arranged in, the electronic slide unit On be provided with can side-to-side movement third straight line cylinder, connection one can move up and down and have measurement on the third straight line cylinder The air-actuated jaw of internal diameter function, the side of first turntable are provided with first support, overturning are provided in the first support Fixture, first turntable and the turnover fixture are arranged at the lower section of the air-actuated jaw stroke range；

The needle roller assemble mechanism includes the rotor of cylinder shape, runs through in the middle part of the rotor and is fixed with vertical shaft, institute It states shaft upper end and is provided with fixed plate, the upper and lower of the rotor is respectively arranged with upper fixed seat and lower fixed seat, the shaft Upper end is rotatablely connected through fixed seat and with the fixed plate, and the shaft lower end is rotatably arranged on the lower fixed seat Interior, the shaft upper end and stepper motor are sequentially connected；The side of the rotor has been uniformly arranged several for placing the rolling The arc groove of needle, the side of the arc groove offer vertical card slot, and card slot side can be passed in and out by being provided in the card slot Blade；The track groove of arc-shaped is provided on the lower fixed seat, the arc groove is correspondingly arranged up and down with the track groove, Its lower end can be placed in the track groove when needle roller is put into vertically in the arc groove；The track groove is along the rotor Edge setting, the outlet of the track groove is connected to setting with the side of the lower fixed seat, is provided on the inside of the track groove Circular locating slot, the lower end surface of fixed seat and the upper surface of the lower fixed seat are correspondingly arranged, under the blade End is arranged in the locating slot, the center line coincidence of the center line of the track groove, the center line of rotor, locating slot；Institute It states fixed plate, be provided with the first through hole for widening on upper fixed seat；The middle inside of the blade body offers bullet Spring slot, spring is provided in the spring groove, and the locating slot is fluted close to the setting of the outlet side of the track groove；

The oiling and mechanism for testing include the central spindle being rotatably provided in the middle part of bearing outer ring, and the mandrel includes setting Cylindrical body on the inside of the bearing outer ring and the hollow vertical pivot through center setting, the outside of the cylindrical body Face is provided with several oil guide grooves, and the level being connected with the center of the hollow vertical pivot is provided in the slot of the oil guide groove and is gone out Oilhole；The hollow vertical pivot is from top to bottom arranged with first bearing and second bearing, the first bearing and described second respectively Be provided between bearing it is several enter oilhole, it is described enter oilhole with the center of the hollow vertical pivot be connected to setting；The hollow vertical pivot Upper end be provided with speed reducer, be provided with servo motor above the speed reducer, set between the cylindrical body and the speed reducer Cylindrical hollow holders are equipped with, the hollow holders are connect with a third cylinder, and the first bearing, second bearing are equal It is arranged in the hollow holders, the first bearing, second bearing, hollow holders, hollow vertical pivot surround first Cavity is provided with oil-through-hole in the hollow holders, and the oil-through-hole is connected to setting with first cavity；The first axle Hold, speed reducer, hollow holders three surround the second cavity, the induction for testing torque is provided in second cavity Block, the sensor block are set on the hollow vertical pivot；

The transfer supporting mechanism includes horizontally disposed plate on the workbench, is provided with transfer on the plate Part, be provided on the transfer part can side-to-side movement the first fixing seat being used to support；First fixing seat one end it is upper Side is provided with mandrel, is provided with first straight line cylinder below first fixing seat one end, the first straight line cylinder it is upper End is connect through first fixing seat with the mandrel；The side of the plate is arranged in the first straight line cylinder, described The movement slots mobile with first fixing seat for first straight line cylinder are offered on workbench, the first straight line cylinder Lower end is arranged in movement slots.

The axle sleeve overlap joint hold-down mechanism includes bushing build-up member, and the bushing build-up member includes one horizontally disposed Rodless cylinder, be provided on the rodless cylinder can side-to-side movement the first cylinder, be connected with below first cylinder can on Three for picking and placing bearing insert of lower movement refer to pneumatic clamper；The lower left of the rodless cylinder is provided with first turntable Clamping jaw one, the lower right of the rodless cylinder are provided with the clamping jaw two of second turntable, the clamping jaw one and the clamping jaw Two are arranged at below the movement travel that described three refer to pneumatic clamper, and the rodless cylinder is arranged in parallel with the assembly line, the stream The liner plate moved back and forth along the assembly line direction of motion is provided on waterline, the liner plate is connect with the second cylinder, the clamping jaw one, Clamping jaw two is arranged above the movement travel of the liner plate.

Preferred technical solution are as follows: in the automatic error-correcting mechanism, the air-actuated jaw can protrude into described including three Pneumatic-finger in bearing outer ring, the pneumatic-finger top are provided with electronic clamping jaw.

Preferred technical solution are as follows: in the needle roller assemble mechanism, the shaft upper end is fixed with driven gear, described The lower section of the fixed plate, one driving gear of the driven gear side transmission connection, the driving tooth is arranged in driven gear Wheel is connect with the stepper motor, and the top of the fixed plate, the lower section setting of the fixed plate is arranged in the stepper motor There is the first photoelectric sensor, the baffle for first photoelectric sensor measurement is fixed with below the driving gear.

Preferred technical solution are as follows: in the needle roller assemble mechanism, the upper end of fixed seat, which offers, to be detected To the detection slot of the arc groove, the second photoelectric sensor is provided in the detection slot.

Preferred technical solution are as follows: in the oiling and mechanism for testing, the upper and lower end of the cylindrical body is provided with oil Block plate.

Preferred technical solution are as follows: in the transfer supporting mechanism, the left end of the plate is provided with support frame, described It is provided with the channel that Open Side Down on support frame, the upper end of the channel is provided with the of diameter greater than the bearing diameter Two through-holes, the side of the channel are provided with the second straight line cylinder for resisting the mandrel, the lower end of the channel It is arranged higher than first fixing seat；When first fixing seat moves to the lower section of the channel, the mandrel is located at In the channel.

Preferred technical solution are as follows: in axle sleeve overlap joint hold-down mechanism, the liner plate side is provided with block, described Guide post is provided between block and the liner plate, second cylinder is arranged on the block.

Since above-mentioned technical proposal is used, the present invention has the advantage, that compared with prior art

The machine for automatically assembling needle bearing that the present invention designs realizes the full automatic working of needle bearing assembly, can first certainly The internal diameter of dynamic measurement bearing outer ring simultaneously judges to be overturn again after position is corrected errors, and guarantees bearing outer ring position when entering next station It is accurate to set；The automatic assembling to needle roller can be achieved, needle roller is packed into position and is additionally provided with blocking vane, so that needle roller enters vertically into In bearing outer ring, it is ensured that the accuracy of needle roller rigging position；It can be achieved that the automatic oiling of bearing inner race and automatic test are guaranteed to apply It is oily uniform, improve oiling efficiency；Realize the automatic overlap joint of bearing holder (housing, cover), overlap joint precision is high, and compression effect is good, avoids manual operation Product quality is influenced, production efficiency is improved, improves assembly precision, is suitble to promote.

Detailed description of the invention

Fig. 1 is overall schematic of the present invention.

Fig. 2 is automatic error-correcting mechanism overall schematic.

Fig. 3 is needle roller assemble mechanism overall schematic.

Fig. 4 is needle roller assemble mechanism part figure one.

Fig. 5 is needle roller assemble mechanism part figure two.

Fig. 6 is the schematic diagram of upper fixed seat in needle roller assemble mechanism.

Fig. 7 is oiling and mechanism for testing overall schematic.

Fig. 8 is oiling and mechanism for testing partial schematic diagram one.

Fig. 9 is oiling and mechanism for testing partial schematic diagram two.

Figure 10 is the schematic diagram of hollow holders in oiling and mechanism for testing.

Figure 11 is transfer supporting mechanism overall schematic.

Figure 12 is transfer supporting mechanism application schematic diagram.

Figure 13 is that axle sleeve overlaps hold-down mechanism overall schematic.

Figure 14 is the portion A enlarged drawing.

Figure 15 is that axle sleeve overlaps hold-down mechanism partial schematic diagram.

In the figures above, workbench 1, the first turntable 2, the second turntable 3, clamping jaw 1, clamping jaw 2 302, assembly line 4, from Dynamic error correction mechanism 5, electronic slide unit 501, third straight line cylinder 502, air-actuated jaw 503, first support 504, turnover fixture 505, Pneumatic-finger 506, electronic clamping jaw 507, needle roller assemble mechanism 6, rotor 601, shaft 602, fixed plate 603, upper fixed seat 604, Lower fixed seat 605, stepper motor 606, arc groove 607, card slot 608, blade 609, track groove 610, locating slot 611, first is logical Hole 612, driven gear 613, driving gear 614, the first photoelectric sensor 616, baffle 617, detection slot 619, the second photoelectric transfer Sensor 620, spring groove 622, groove 623, oiling and mechanism for testing 7, cylindrical body 701, hollow vertical pivot 702, central spindle 703, Oil Guide Slot 704, horizontal oil outlet 705, first bearing 706, second bearing 707 enter oilhole 708, speed reducer 709, servo motor 710, Hollow holders 711, third cylinder 712, oil-through-hole 714, oil catch disk 715, sensor block 717, transfer supporting mechanism 8, plate 803, transfer part 804, the first fixing seat 805, mandrel 806, first straight line cylinder 807, support frame 808, channel 809, second Straight line cylinder 810, axle sleeve overlap hold-down mechanism 9, and rodless cylinder 901, the first cylinder 902, bearing insert 903, three refer to pneumatic clamper 904, liner plate 912, the second cylinder 913, block 915, guide post 916.

(note: for the ease of comparative illustration, what Figure 11 and Figure 12 were shown is two kinds when fixing seat moves to left or right side State diagram, the first fixing seat 805, first straight line cylinder 807, mandrel 806 quantity it is practical be one).

Specific embodiment

Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book is understood other advantages and efficacy of the present invention easily.

Please refer to Fig. 1 ~ Figure 15.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to Cooperate the revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the invention can be real The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, it should all still fall in disclosed skill Art content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness It is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.

As shown in Fig. 1 ~ Figure 15, a kind of machine for automatically assembling needle bearing, including workbench 1 is provided on workbench 1 One turntable 2 and the second turntable 3, the first turntable 2 and the second turntable 3 are respectively set there are four uniformly distributed clamping jaw 1 and clamping jaw two 302, the position of clamping jaw 1 is above the position setting of clamping jaw 2 302；Stream is provided between first turntable 2 and the second turntable 3 Waterline 4, when one of clamping jaw 1 of the first turntable 2 turns to 4 top of assembly line, one of folder of the second turntable 3 Pawl 2 302 just turns to the underface of the clamping jaw 1；It is disposed in the counterclockwise direction around first turntable 2 certainly Dynamic error correction mechanism 5, needle roller assemble mechanism 6 and oiling and mechanism for testing 7, needle roller assemble mechanism 6 and oiling and 7 lower section of mechanism for testing Equipped with a transfer supporting mechanism 8, it is symmetrical arranged with around the second turntable 3 about assembly line 4 around the first turntable 2, flowing water The top of line 4 is provided with axle sleeve overlap joint hold-down mechanism 9；

Note: the first turntable 2 rotates in the counterclockwise direction, and the second turntable 3 is rotated in the clockwise direction, the first turntable 2, second Turntable 3 is sequentially connected with a servo motor 710, and clamping jaw 1, clamping jaw 2 302 are used to clamping bearing outer ring.

As shown in Fig. 2, automatic error-correcting device includes the electronic slide unit 501 that 2 one upper side of the first turntable is arranged in, electric sliding Be provided on platform 501 can side-to-side movement third straight line cylinder 502, on third straight line cylinder 502 connection one can move up and down and Air-actuated jaw 503 with measurement internal diameter function, the side of the first turntable 2 are provided with first support 504, in first support 504 It is provided with turnover fixture 505, the first turntable 2 is arranged at the lower section of 503 stroke range of air-actuated jaw with turnover fixture 505；Gas Dynamic fixture 503 includes three pneumatic-fingers 506 that can be protruded into bearing outer ring, is provided with electronic clamping jaw above pneumatic-finger 506 507；

Error correction principles: after 302) one 301(clamping jaw 2 of clamping jaw is stablized bearing outer ring clamping, air-actuated jaw 503 is moved to Right above bearing outer ring, pneumatic-finger 506 is set to enter the constant depth position in bearing outer ring, pneumatic-finger 506 by cylinder It struts outward and blocks bearing outer ring, electronic clamping jaw 507 has measured the internal diameter of bearing outer ring herein at this time, transmits signals to control Center passes through first the second turntable 3 of turntable 2(if bearing outer ring position is accurate) next station is gone to, if internal diameter Data are not inconsistent with setting, then illustrate bearing outer ring location dislocation, need to overturn, then 302) one 301(clamping jaw 2 of clamping jaw unclamps, gas Dynamic fixture 503 clamps bearing outer ring, is then moved to backing positions, and bearing outer ring is sent into turnover fixture 505 and is clamped, right After bearing outer ring is overturn, then by air-actuated jaw 503 by bearing outer ring return to one 301(clamping jaw 2 of clamping jaw 302) in, so Pass through first the second turntable 3 of turntable 2(again afterwards) bearing outer ring is sent into next station.

Error correction benefits: automatic error-correcting device can automatic measurement bearing outer ring internal diameter and judge to be turned over again after position is corrected errors Turn, guarantee bearing outer ring enter next station when position it is accurate, solve artificial eye discrimination be not easy, reduce manually at This, improves production efficiency, reduces the occurrence rate of waste product, but also personal safety is protected.

As shown in Fig. 3 ~ 6, the rotor 601 of needle roller assemble mechanism 6 including cylinder shape is perpendicular through being fixed in the middle part of rotor 601 Straight shaft 602,602 upper end of shaft are provided with fixed plate 603, and the upper and lower of rotor 601 is respectively arranged with upper fixed seat 604 With lower fixed seat 605,602 upper end of shaft is rotatablely connected through upper fixed seat 604 and with fixed plate 603, the rotation of 602 lower end of shaft It is arranged in lower fixed seat 605,602 upper end of shaft and stepper motor 606 are sequentially connected；The side of rotor 601 has been uniformly arranged Several arc grooves 607 for being used to place needle roller, the side of arc groove 607 offers vertical card slot 608, sets in card slot 608 It is equipped with the blade 609 that can pass in and out 608 side of card slot；The track groove 610 of arc-shaped, arc groove 607 are provided on lower fixed seat 605 It is correspondingly arranged with about 610 track groove, its lower end can be placed in track groove 610 when needle roller is put into vertically in arc groove 607；Track Slot 610 is arranged along the edge of rotor 601, and the outlet of track groove 610 is connected to setting, track groove 610 with the side of lower fixed seat 605 Inside be provided with circular locating slot 611, the lower end surface of upper fixed seat 604 and the upper surface of lower fixed seat 605 are correspondingly arranged, The lower end of blade 609 is arranged in locating slot 611, the center line of track groove 610, the center line of rotor 601, locating slot 611 Center line be overlapped；The first through hole 612 for widening is provided in fixed plate 603, upper fixed seat 604；609 ontology of blade Middle inside offer spring groove 622, spring is provided in spring groove 622, locating slot 611 is close to the outlet of track groove 610 Side setting fluted 623；The lower end surface of upper fixed seat 604 and the upper surface of lower fixed seat 605 are correspondingly arranged, and refer to fixation Seat 604 is also equipped with track groove 610 and locating slot 611, and the locating slot of upper fixed seat 604 is arranged in the upper end of blade 609 In 611.

Dress needle principle: needle roller is put into one by one from fixed plate 603, the first through hole 612 of upper fixed seat 604, is rolled Needle enters 607 posterior end of arc groove and enters in track groove 610, and stepper motor 606 controls shaft 602 along clockwise direction after starting Rotation, shaft 602 drive rotor 601 to rotate, with needle roller from the medial movement of track groove 610 to track when rotor 601 rotates The exit of slot 610, a certain blade 609 just moves to exit with rotor 601 at this time, when needle roller is gone out from outlet, leaf It is corrected under piece 609 into groove 623,609 protruding card slot 608 of blade, carries out blocking positioning to needle roller, guarantee needle roller at this time It is vertically fed into the corresponding position in bearing outer ring, after 609 lower end of blade continues rotating away from groove 623 with rotor 601, blade 609 are retracted by spring effect and continue to rotate clockwise with rotor 601 in card slot 608；When needle roller assembles, bearing outer ring is to be set in On the outside of upper fixed seat 604, lower fixed seat 605.

Dress needle advantage: needle roller assemble mechanism 6 can realize the automatic assembling to needle roller, and needle roller is packed into position and is additionally provided with blocking Blade 609, so that needle roller enters vertically into bearing outer ring, it is ensured that the accuracy of needle roller rigging position improves production efficiency, improves Assembly precision.

As shown in Fig. 7 ~ 10, oiling and mechanism for testing 7 include the central spindle 703 being rotatably provided in the middle part of bearing outer ring, core Axis 806 includes that the cylindrical body 701 on the inside of bearing outer ring and the hollow vertical pivot 702 through the setting of 701 center of cylindrical body, circle is arranged in The lateral surface of cylinder 701 is provided with several oil guide grooves 704, and the center with hollow vertical pivot 702 is provided in the slot of oil guide groove 704 The horizontal oil outlet 705 being connected；Hollow vertical pivot 702 is from top to bottom arranged with first bearing 706 and second bearing 707 respectively, Be provided between first bearing 706 and second bearing 707 it is several enter oilhole 708, enter the center of oilhole 708 Yu hollow vertical pivot 702 Connection setting；The upper end of hollow vertical pivot 702 is provided with speed reducer 709, and servo motor 710, cylinder are provided with above speed reducer 709 Cylindrical hollow holders 711, hollow holders 711 and a third cylinder 712 are provided between body 701 and speed reducer 709 Connection, first bearing 706, second bearing 707 be arranged in hollow holders 711, first bearing 706, second bearing 707, Hollow holders 711, hollow vertical pivot 702 4 surround the first cavity, and oil-through-hole 714 is provided in hollow holders 711, lead to oil Hole 714 is connected to setting with the first cavity；First bearing 706, speed reducer 709,711 three of hollow holders surround the second cavity, The sensor block 717 for testing torque is provided in second cavity, sensor block 717 is set on hollow vertical pivot 702；

Oiling principle:, will be above bearing outer ring by control third cylinder 712 after clamping jaw stablizes bearing outer ring clamping Whole device move down (third cylinder 712 is connect with hollow holders 711, hollow holders 711 be arranged in cylindrical body 701 Between speed reducer 709, whole device can be driven to move downwardly together at this time), cylindrical body 701 is caught in bearing outer ring at this time, Mandrel 806 is controlled by speed reducer 709 and servo motor 710 to rotate, and oil pipe is passed through at oil-through-hole 714, oil body is passed through laggard Enter to the first cavity, then during mandrel 806 rotates, oil body is from entering on hollow vertical pivot 702 during oilhole 708 enters The center of empty vertical pivot 702 simultaneously goes downstream, and oil body flows to oil guide groove 704 from horizontal oil outlet 705, with the rotation of mandrel 806 Realize the oiling to bearing；Sensor block 717 is convenient and efficient high-efficient for detecting torque.

Advantage: automatic oiling and mechanism for testing 7 solve artificial oiling low efficiency, apply oil mass not instead of artificial oiling Uniformly, it is also easy to the problem of polluting to other positions of product, improves production efficiency, also avoiding manpower perspiration influences Product quality.

As shown in Figure 11 ~ 12, transfer supporting mechanism 8 includes the plate 803 that is horizontally set on workbench 1, on plate 803 Be provided with transfer part 804, be provided on transfer part 804 can side-to-side movement the first fixing seat 805 being used to support；First is fixed Seat is provided with mandrel 806 above 805 one end, and first straight line cylinder 807 is provided with below 805 one end of the first fixing seat, the The upper end of one straight line cylinder 807 is connect through the first fixing seat 805 with mandrel 806；First straight line cylinder 807 is arranged in plate 803 side, offers the movement slots mobile with the first fixing seat 805 for first straight line cylinder 807 on workbench 1, and first The lower end of straight line cylinder 807 is arranged in movement slots.Wherein, transfer part 804 can use rodless cylinder.

Transfer principle: firstly, the assembly of needle bearing is to first pass through needle roller assemble mechanism 6 to be sent again after the assembly is completed to oiling And mechanism for testing 7 carries out oiling and detection, therefore, when the first fixing seat 805 needs under needle roller assemble mechanism 6 with mandrel 806 When side's support positioning, the first fixing seat 805 is just moved to right side corresponding position and installs the bearing outer ring set of needle after the completion of filling needle It is located at outside mandrel 806, and is moved to the left the lower section of oiling and mechanism for testing 7 with mandrel 806 and the first fixing seat 805, It completes the support to oiling step to position, mandrel 806 can then be realized by first straight line cylinder 807 and be moved up and down；This design letter It is single flexible, it is agile, it is at low cost and high-efficient.

As shown in Figure 13 ~ 15, it includes bushing build-up member that axle sleeve, which overlaps hold-down mechanism 9, and bushing build-up member includes a water The rodless cylinder 901 of flat setting, be provided on rodless cylinder 901 can side-to-side movement the first cylinder 902, under the first cylinder 902 Side is connected with three for picking and placing bearing insert 903 that can be moved up and down and refers to pneumatic clamper 904；The lower left of rodless cylinder 901 is set It is equipped with the clamping jaw 1 of the first turntable 2, the lower right of rodless cylinder 901 is provided with the clamping jaw 2 302 of the second turntable 3, clamping jaw One 301 are arranged at below the movement travel of three finger pneumatic clampers 904 with clamping jaw 2 302, and rodless cylinder 901 is parallel with assembly line 4 to be set It sets, the liner plate 912 moved back and forth along 4 direction of motion of assembly line is provided on assembly line 4, liner plate 912 and the second cylinder 913 connect It connects, clamping jaw 1, clamping jaw 2 302 are arranged above the movement travel of liner plate 912；

Axle sleeve overlaps principle: it is 706 sets of first bearing that it is folded, which first to define clamping jaw 1, and folded clamping jaw 2 302 is the second axis 707 sets are held, after 706 sets of first bearing keeps stablizing with 707 sets of second bearing of position, liner plate 912 passes through the second cylinder 913 Action to 707 sets of second bearing of lower section, at this point, the first cylinder 902 removes feeding (jewel with three finger pneumatic clampers 904 903) set, protrudes into three finger pneumatic clampers 904 among bearing insert 903 when feeding, feeding, then, first can be propped up by opening pneumatic clamper Bearing insert 903 is transported to 706 sets of first bearing of top with three finger pneumatic clampers 904 by cylinder 902, so that three refer to pneumatic clamper 904 It moves downward, so that bearing insert 903 is applied in 706 sets of first bearing, in 707 sets of second bearing and compresses, then control lining Plate 912 is removed, while clamping jaw 1, clamping jaw 2 302 unclamp, and enable three finger pneumatic clampers 904 that the axle sleeve overlapped is placed on assembly line On 4 synchronous belt and send to subsequent processing.

Advantage: axle sleeve overlap joint hold-down mechanism 9 is overlapped bearing instead of manpower automatically, and overlap joint precision is high, compresses effect Fruit is good, and avoiding manpower and perspiring influences product quality, improves production efficiency.

Total principle: as shown in Figure 1, phase is respectively realized by the first turntable 2 or the second turntable 3 in the left and right sides on workbench 1 Same process flow: 5-needle roller assemble mechanism, the 6-oiling of automatic error-correcting mechanism and 7-axle sleeve of mechanism for testing overlap hold-down mechanism 9, First turntable 2 rotates in the counterclockwise direction, and the second turntable 3 is rotated in the clockwise direction, and it is public affairs that bottom bracket axle, which overlaps hold-down mechanism 9, It is sent out after the completion of thering is mechanism, axle sleeve overlap joint to compress by assembly line 4, completes needle bearing automatic assembling.

Preferred embodiment are as follows: as shown in figure 3,602 upper end of shaft is fixed with driven tooth in needle roller assemble mechanism 6 Wheel 613, driven gear 613 are arranged in the lower section of fixed plate 603, and 613 side of driven gear is sequentially connected a driving gear 614, Driving gear 614 is connect with stepper motor 606, and the top of fixed plate 603, the lower section of fixed plate 603 is arranged in stepper motor 606 It is provided with the first photoelectric sensor 616, the lower section of driving gear 614 is fixed with the gear for the measurement of the first photoelectric sensor 616 Plate 617.Stepper motor 606 drives driven gear 613 by control driving gear 614, then by driven gear 613 with turn Axis 602；The quantity of baffle 617 is equal with the quantity of arc groove 607, and baffle 617 is laid around the center line of driving gear 614 It sets, when baffle 617 is by the first photoelectric sensor 616, can record once, needle roller quantity and needle roller position can be carried out Automatic detection, easy to control, automatic detection improve production efficiency convenient for the control of control centre.

Preferred embodiment are as follows: as shown in figure 3, the upper end of upper fixed seat 604 offers in needle roller assemble mechanism 6 It can detect the detection slot 619 of arc groove 607, the second photoelectric sensor 620 is provided in detection slot 619.Automatic detection, just In whole control, production efficiency is improved.

Preferred embodiment are as follows: as shown in figure 9, the upper and lower end of cylindrical body 701 is all provided in oiling and mechanism for testing 7 It is equipped with oil catch disk 715.It prevents about 701 permeability of cylindrical body and pollutes bearing other do not need the position of oiling.

Preferred embodiment are as follows: as shown in FIG. 11 and 12, in transfer supporting mechanism 8, the left end of plate 803 is provided with Support frame 808 is provided with the channel 809 that Open Side Down on support frame 808, and the upper end of channel 809 is provided with diameter and is greater than Second through-hole of bearing diameter, the side of channel 809 are provided with the second straight line cylinder 810 for resisting mandrel 806, flute profile The lower end of part 809 is arranged higher than the first fixing seat 805；When the first fixing seat 805 moves to the lower section of channel 809, mandrel 806 are located in channel 809.It realizes that the conflict to mandrel 806 positions here by setting second straight line cylinder 810, can avoid The influence of position, guarantees stable structure, it is ensured that oiling and mechanism for testing 7 when oiling and 7 inner engine oil of mechanism for testing reset bearing Flexible movements are reliable.

Preferred embodiment are as follows: as shown in figure 15, in axle sleeve overlap joint hold-down mechanism 9,912 side of liner plate is provided with gear Block 915, is provided with guide post 916 between block 915 and liner plate 912, the second cylinder 913 is arranged on block 915.Improve liner plate The linearity and stationarity of 912 movements, guarantee 912 accurate positioning of liner plate, improve axle sleeve and overlap stability.

The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.

Claims

1. a kind of machine for automatically assembling needle bearing, including workbench, it is characterised in that: be provided with the first turntable on the workbench With the second turntable, first turntable and second turntable are respectively set that there are four uniformly distributed clamping jaws one and clamping jaw two, described The position of clamping jaw one is above the position setting of the clamping jaw two；Stream is provided between first turntable and second turntable Waterline, when one of clamping jaw one of first turntable turns to above assembly line, second turntable one of them Clamping jaw two just turns to the underface of the clamping jaw one；It is disposed in the counterclockwise direction around first turntable automatic Error correction mechanism, needle roller assemble mechanism and oiling and mechanism for testing, under the needle roller assemble mechanism and the oiling and mechanism for testing Side is equipped with a transfer supporting mechanism, around first turntable with it is symmetrical about the assembly line around second turntable It is arranged, axle sleeve overlap joint hold-down mechanism is provided with above the assembly line；

The automatic error-correcting device includes the electronic slide unit that one upper side of the first turntable is arranged in, and is set on the electronic slide unit Be equipped with can side-to-side movement third straight line cylinder, connection one can move up and down and have measurement internal diameter on the third straight line cylinder The air-actuated jaw of function, the side of first turntable are provided with first support, are provided with turnover fixture in the first support, First turntable and the turnover fixture are arranged at the lower section of the air-actuated jaw stroke range；

The needle roller assemble mechanism includes the rotor of cylinder shape, runs through in the middle part of the rotor and is fixed with vertical shaft, and described turn Axis upper end is provided with fixed plate, and the upper and lower of the rotor is respectively arranged with upper fixed seat and lower fixed seat, the shaft upper end It being rotatablely connected through fixed seat and with the fixed plate, the shaft lower end is rotatably arranged in the lower fixed seat, The shaft upper end and stepper motor are sequentially connected；The side of the rotor is uniformly arranged several for placing the needle roller Arc groove, the side of the arc groove offer vertical card slot, the leaf that can pass in and out card slot side are provided in the card slot Piece；The track groove of arc-shaped is provided on the lower fixed seat, the arc groove is correspondingly arranged up and down with the track groove, described Its lower end can be placed in the track groove when needle roller is put into vertically in the arc groove；The track groove is along the edge of the rotor Setting, the outlet of the track groove is connected to setting with the side of the lower fixed seat, is provided with circle on the inside of the track groove Locating slot, the lower end surface of fixed seat and the upper surface of the lower fixed seat be correspondingly arranged, and the lower end of the blade is equal It is arranged in the locating slot, the center line coincidence of the center line of the track groove, the center line of rotor, locating slot；It is described solid The first through hole for widening is provided on fixed board, upper fixed seat；The middle inside of the blade body offers spring groove, Spring is provided in the spring groove, the locating slot is fluted close to the setting of the outlet side of the track groove；

The oiling and mechanism for testing include the central spindle being rotatably provided in the middle part of bearing outer ring, and the mandrel includes being arranged in institute The cylindrical body on the inside of bearing outer ring and the hollow vertical pivot through center setting are stated, the lateral surface of the cylindrical body is set Several oil guide grooves are equipped with, it is fuel-displaced that the level being connected with the center of the hollow vertical pivot is provided in the slot of the oil guide groove Hole；The hollow vertical pivot is from top to bottom arranged with first bearing and second bearing, the first bearing and second axis respectively Be provided between holding it is several enter oilhole, it is described enter oilhole with the center of the hollow vertical pivot be connected to setting；The hollow vertical pivot Upper end is provided with speed reducer, is provided with servo motor above the speed reducer, is arranged between the cylindrical body and the speed reducer There are cylindrical hollow holders, the hollow holders are connect with a third cylinder, and the first bearing, second bearing are all provided with It sets in the hollow holders, the first bearing, second bearing, hollow holders, hollow vertical pivot surround the first sky Chamber is provided with oil-through-hole in the hollow holders, and the oil-through-hole is connected to setting with first cavity；The first axle Hold, speed reducer, hollow holders three surround the second cavity, the induction for testing torque is provided in second cavity Block, the sensor block are set on the hollow vertical pivot；

The transfer supporting mechanism includes horizontally disposed plate on the workbench, is provided with transfer part on the plate, Be provided on the transfer part can side-to-side movement the first fixing seat being used to support；First fixing seat is set above one end It is equipped with mandrel, first straight line cylinder is provided with below first fixing seat one end, the upper end of the first straight line cylinder is passed through First fixing seat is worn to connect with the mandrel；The side of the plate, the work is arranged in the first straight line cylinder The movement slots mobile with first fixing seat for first straight line cylinder, the lower end of the first straight line cylinder are offered on platform It is arranged in movement slots；

The axle sleeve overlap joint hold-down mechanism includes bushing build-up member, and the bushing build-up member includes a horizontally disposed no bar Cylinder, be provided on the rodless cylinder can side-to-side movement the first cylinder, be connected with and can transport up and down below first cylinder Three dynamic for picking and placing bearing insert refer to pneumatic clamper；The lower left of the rodless cylinder is provided with the clamping jaw of first turntable One, the lower right of the rodless cylinder is provided with the clamping jaw two of second turntable, and the clamping jaw one and the clamping jaw two are equal It is arranged in below the movement travel that described three refer to pneumatic clamper, the rodless cylinder is arranged in parallel with the assembly line, the assembly line On be provided with the liner plate moved back and forth along the assembly line direction of motion, the liner plate connect with the second cylinder, the clamping jaw one, clamping jaw Two are arranged above the movement travel of the liner plate.

2. a kind of machine for automatically assembling needle bearing according to claim 1, it is characterised in that: in the automatic error-correcting mechanism In, the air-actuated jaw includes three pneumatic-fingers that can be protruded into the bearing outer ring, is provided with above the pneumatic-finger Electronic clamping jaw.

3. a kind of machine for automatically assembling needle bearing according to claim 1, it is characterised in that: in the needle roller assemble mechanism In, the shaft upper end is fixed with driven gear, and the lower section of the fixed plate, the driven gear is arranged in the driven gear One driving gear of side transmission connection, the driving gear are connect with the stepper motor, and the stepper motor is arranged described The top of fixed plate, the first photoelectric sensor is provided with below the fixed plate, and the lower section fixation of the driving gear is useful In the baffle of first photoelectric sensor measurement.

4. a kind of machine for automatically assembling needle bearing according to claim 1, it is characterised in that: in the needle roller assemble mechanism In, the upper end of fixed seat offers the detection slot that can detect the arc groove, is provided with second in the detection slot Photoelectric sensor.

5. a kind of machine for automatically assembling needle bearing according to claim 1, it is characterised in that: in the oiling and test machine In structure, the upper and lower end of the cylindrical body is provided with oil catch disk.

6. a kind of machine for automatically assembling needle bearing according to claim 1, it is characterised in that: in the transfer supporting mechanism In, the left end of the plate is provided with support frame, the channel that Open Side Down is provided on support frame as described above, the channel Upper end is provided with the second through-hole that diameter is greater than the bearing diameter, and the side of the channel is provided with for resisting the core The lower end of the second straight line cylinder of axis, the channel is arranged higher than first fixing seat；When first fixing seat moves To the channel lower section when, the mandrel is located in the channel.

7. a kind of machine for automatically assembling needle bearing according to claim 1, it is characterised in that: overlap and compress in the axle sleeve In mechanism, the liner plate side is provided with block, and guide post is provided between the block and the liner plate, and second cylinder is set It sets on the block.