CN217291271U - Automatic O-shaped ring sleeving device for rear cover - Google Patents

Abstract

The utility model relates to the technical field of O-shaped ring assembly, in particular to an automatic O-shaped ring sleeving device for a rear cover; an upper second annular groove and a lower second annular groove are horizontally formed in the periphery of the rear cover, an annular boss protrudes upwards from the bottom inside the rear cover, and a first annular groove is horizontally formed in the periphery of the annular boss; the first annular groove is required to be sleeved with a first O-shaped ring, and the upper second annular groove and the lower second annular groove are required to be sleeved with second O-shaped rings; the automatic O-shaped ring sleeving device comprises a rear cover rotating jig table mechanism, a first O-shaped ring assembling mechanism, a second O-shaped ring assembling mechanism, a first O-shaped ring feeding mechanism for feeding the first O-shaped ring assembling mechanism, and a second O-shaped ring feeding mechanism for feeding the second O-shaped ring assembling mechanism; the rear cover rotating jig table mechanism is provided with a plurality of jigs for placing the rear cover; the utility model provides an automatic cover O type circle device compact structure, the practicality is strong, very big improvement work efficiency.

Description

Automatic O-shaped ring sleeving device for rear cover

Technical Field

The utility model relates to an O type circle assembly technical field, in particular to back lid is with automatic O type circle device that overlaps.

Background

In the prior art, an O-shaped ring is mainly used in the design of cylinder bodies such as an oil cylinder, an air cylinder and the like, and is generally arranged in a groove with a rectangular section on the outer circle or the inner circle to play a sealing role; the O-shaped ring still has good sealing and damping effects in the environments of oil resistance, acid and alkali resistance, chemical erosion and the like, so that the O-shaped ring is the most widely used sealing element in hydraulic and pneumatic transmission systems; the O-shaped ring is installed on the workpiece in a manual assembly mode under the condition that the O-shaped ring is needed to be installed on the workpiece at present, the labor intensity of workers in the assembly mode is high, the working efficiency is low, and the requirement for automatic assembly of the workpiece cannot be met. Therefore, it is necessary to develop an automatic O-ring sleeving device for a rear cover.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is: the utility model provides a back lid is with automatic O type circle device that overlaps to on installing the work piece through the manual work with O type circle among the solution prior art, workman intensity of labour is big, and work efficiency is low, can't satisfy the problem of the demand of the automatic assembly of work piece.

The technical scheme of the utility model is that: an automatic O-shaped ring sleeving device for a rear cover is characterized in that an annular boss protrudes upwards from the bottom inside the rear cover, a first annular groove is horizontally formed in the periphery of the annular boss, and an upper second annular groove and a lower second annular groove are horizontally formed in the periphery of the rear cover; the first annular groove is required to be sleeved with a first O-shaped ring, and the upper second annular groove and the lower second annular groove are required to be sleeved with second O-shaped rings;

the automatic O-shaped ring sleeving device comprises a rear cover rotating jig table mechanism, a first O-shaped ring assembling mechanism, a second O-shaped ring assembling mechanism, a first O-shaped ring feeding mechanism for feeding the first O-shaped ring assembling mechanism, and a second O-shaped ring feeding mechanism for feeding the second O-shaped ring assembling mechanism; the rear cover rotating jig table mechanism is provided with a plurality of jigs for placing the rear cover;

preferably, the rear cover rotating jig table mechanism comprises a cam divider, a rotating table in transmission connection with the cam divider, and four rear cover jigs arranged on the rotating table in four directions, namely front, rear, left and right directions; the rotating table rotates 90 degrees anticlockwise when moving once; the four rear cover jigs respectively correspond to four stations, wherein one station is a first material placing station, and a second first O-ring assembling station, a third second O-ring assembling station and a fourth second O-ring detecting station are respectively arranged in the counterclockwise direction towards the upper right of the first material placing station serving as a base point;

the first O-shaped ring feeding mechanism comprises a first vibrating disc, a linear feeding module arranged at a discharge port of the first vibrating disc, and a first material taking jig arranged at the tail end of the linear feeding module;

the second O-shaped ring feeding mechanism comprises a second vibrating disc, a material conveying module, a taking and placing module and a second material taking jig, wherein the taking and placing module is used for clamping and placing a second O-shaped ring at a discharge port of the second vibrating disc to the starting end of the material conveying module;

the first O-shaped ring assembling mechanism comprises a positioning assembly for fixing a rear cover on a rear cover jig which rotates to a second O-shaped ring assembling station, and a first transplanting mechanism for assembling a first O-shaped ring on the first material taking jig to the rear cover jig on the first O-shaped ring assembling station;

and the second O-shaped ring assembling mechanism comprises a second transfer mechanism which is used for fixing a rear cover on a rear cover jig rotating to a third O-shaped ring assembling station or vertically overturning a 180-degree overturning positioning assembly and assembling a second O-shaped ring on the second material taking jig onto the rear cover jig on the second O-shaped ring assembling station.

Preferably, a convex ring is arranged on the periphery of the rear cover between the upper second annular groove and the lower second annular groove, the upper second annular groove and the lower second annular groove are symmetrically arranged on two sides of the convex ring up and down, and a plurality of through holes vertically penetrate through the periphery of the convex ring; each rear cover jig is vertically provided with a plurality of positioning columns which are in inserting fit with the plurality of through holes;

the linear feeding module comprises a linear guide rail assembly and a linear feeder arranged on the lower end face of the linear guide rail assembly;

the first material taking jig comprises a jig plate which is connected with the linear guide rail assembly and is provided with a U-shaped first notch, and a jacking assembly arranged right below the first notch; the jacking assembly comprises a jacking cylinder and a jig block fixedly connected with a moving part of the jacking cylinder.

Preferably, the linear guide rail assembly comprises a linear rail groove with a U-shaped section and a linear pressing plate covering the linear guide rail groove, and the width of the notch of the linear guide rail groove is matched with the diameter of the first O-shaped ring;

the side of tool board is provided with sensor A who detects first O type circle on the tool board and has or not.

Preferably, the positioning assembly comprises a positioning cylinder and a liftable positioning plate fixedly connected to a moving part of the positioning cylinder, the positioning plate is provided with a first through hole through which the rear cover part can pass, and the periphery of the first through hole is also provided with a plurality of positioning holes which are in inserting fit with the positioning columns;

the first transplanting mechanism comprises a translation cylinder, a lifting cylinder fixedly connected with a moving part of the translation cylinder and a first clamping jaw cylinder vertically arranged on the moving part of the lifting cylinder; the upper end surface of the jig block is provided with a plurality of notches A corresponding to the clamping jaws of the first clamping jaw cylinder;

a first color sensor for detecting whether the first O-shaped ring on the rear cover is assembled on the station is arranged on the side edge of the second first O-shaped ring assembling station;

and a second color sensor for detecting whether two second O-shaped rings on the rear cover on the station are assembled is arranged on the side edge of the fourth second O-shaped ring detection station.

Preferably, the overturning positioning assembly comprises a rotary air claw capable of vertically rotating for 180 degrees and a driving cylinder for driving the rotary air claw to lift;

the second transfer mechanism comprises a second clamping jaw air cylinder and a second clamping jaw air cylinder driving assembly for driving the second clamping jaw air cylinder to move; the second clamping jaw air cylinder driving assembly comprises a cam connecting rod module connected with the second clamping jaw air cylinder and a cam connecting rod driving module driving the cam connecting rod module to act.

Preferably, the second transfer mechanism is arranged on the mounting plate in the vertical direction, the cam connecting rod module comprises a connecting rod, and one end of the connecting rod is provided with a kidney-shaped groove; the mounting plate is provided with a C-shaped guide groove and a pair of linear guide rails A which are fixed on the mounting plate in parallel along the horizontal direction; a pair of linear guide rails B are arranged on the sliding blocks of the pair of linear guide rails A along the vertical direction, and the pair of sliding blocks of the linear guide rails B are fixed on the sliding blocks of the pair of linear guide rails A; the guide rail of the linear guide rail B is fixedly connected with a guide rail connecting block; a shoulder screw is fixed on the guide rail connecting block, a ball bearing is sleeved on the shoulder screw, and a kidney-shaped groove and a C-shaped guide groove on the connecting rod are sleeved on the outer ring of the ball bearing;

the cam connecting rod driving module comprises a servo motor and a right-angle speed reducer in transmission connection with the servo motor, and the other end of the connecting rod is in transmission connection with an output shaft of the right-angle speed reducer.

Preferably, the material conveying module comprises a material conveying rail, a second notch is formed in the middle of the material conveying rail in a penetrating mode along the material conveying direction, the second notch extends to the edge of one end, away from the material conveying rail, of the second material taking jig, and a material conveying driving assembly is arranged right below the second notch;

the conveying track comprises a fixedly arranged bottom plate and two guide rails C which are fixed on the bottom plate in parallel along the conveying direction, and the width-direction distance between the two guide rails C is matched with the diameter of the O-shaped ring; the second notch is formed in the bottom plate of the material conveying rail;

the material conveying driving assembly comprises a transplanting column module and a transplanting column driving module which drives the transplanting column module to lift and reciprocate along the material conveying direction; the transplanting column module comprises a plurality of transplanting columns which are linearly arranged along the material conveying direction and are vertically arranged at the same interval; the transplanting column driving module comprises a lifting driving piece for driving the fixing plate to lift and a reciprocating driving piece for driving the lifting driving piece to integrally reciprocate along the material conveying direction; the transplanting columns are fixed on the fixing plate, and the distance between every two adjacent transplanting columns is larger than the diameter of the second O-shaped ring;

the taking and placing module comprises a finger cylinder, a finger cylinder driving piece for driving the finger cylinder to integrally move, and a blocking assembly for a second O-shaped ring arranged on the side edge of the second vibration disc; the side wall of the discharge path of the second vibrating disk is provided with three second through holes, and the blocking assembly comprises three stop levers capable of stretching in the second through holes and three stop lever driving pieces for respectively driving the three stop levers to stretch; a first sensor for detecting whether a second O-shaped ring exists is arranged on the side edge of each second through hole; a second sensor for detecting whether a second O-shaped ring exists is arranged on the side edge of the finger cylinder;

and the second material taking jig is provided with a plurality of notches B corresponding to the clamping jaw position of the second clamping jaw cylinder. And a sensor B for detecting whether a second O-shaped ring exists is arranged on the side edge of the second material taking jig.

Preferably, the automatic O-shaped ring sleeving device for the rear cover further comprises a rack, and a manual starting deflector rod is arranged on the rack.

Preferably, the automatic O-ring sleeving device for the rear cover further comprises a fool-proof device for placing the second O-ring or the rear cover with the first O-ring unassembled in a distinguishing manner.

Compared with the prior art, the utility model has the advantages that:

(1) the utility model discloses an automatic O-shaped ring sleeving device comprises a rear cover rotating jig table mechanism, a first O-shaped ring assembling mechanism, a second O-shaped ring assembling mechanism, a first O-shaped ring feeding mechanism for feeding the first O-shaped ring assembling mechanism, and a second O-shaped ring feeding mechanism for feeding the second O-shaped ring assembling mechanism; the rear cover rotating jig table mechanism is provided with a plurality of jigs for placing the rear cover; the rear cover rotating jig table mechanism comprises a cam divider, a rotating table in transmission connection with the cam divider, and four rear cover jigs arranged on the rotating table in four directions, namely front, rear, left and right directions; the utility model has the advantages that the automatic operation that the first O-shaped ring is sleeved in the first annular groove and the second O-shaped ring is sleeved in the upper second annular groove and the lower second annular groove is simultaneously completed in one working period, and compared with the manual work, the working efficiency is greatly improved; the utility model provides an automatic cover O type circle device compact structure, the practicality is strong.

(2) In the utility model, a first O-shaped ring feeding mechanism feeds materials continuously through a first vibrating disc and a linear feeder; second O type circle feed mechanism passes through the second vibration dish, defeated material module, gets to put the module and realizes continuous pay-off, and first O type circle feed mechanism and second O type circle feed mechanism structural design are reasonable, degree of automation is high, the smooth high efficiency of material loading.

(3) The utility model discloses well transplanting mechanism B's cam connecting rod module overall arrangement is clean and tidy, simple, the action links up, stable, longe-lived.

(4) The utility model discloses in set up and not distinguished the fool-proofing device of placing by the back lid of having assembled with second O type circle or first O type circle, avoided during unqualified product flows in the rear end flow, improve operating efficiency and product quality level.

Drawings

The invention will be further described with reference to the following drawings and examples:

fig. 1 is a schematic perspective view illustrating an automatic O-ring sleeving device for a rear cover according to the present embodiment;

fig. 2 is a schematic perspective view of the rear cover rotating jig table mechanism according to the present embodiment;

fig. 3 is a schematic perspective structure view of the first O-ring feeding mechanism according to the embodiment;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

fig. 5 is a schematic plan view of a depression angle of the first material taking jig according to the embodiment;

fig. 6 is a schematic perspective structure view of the first O-ring assembling mechanism according to the embodiment;

fig. 7 is a schematic perspective view illustrating a second O-ring feeding mechanism and a second transferring mechanism according to the present embodiment;

fig. 8 is a schematic perspective view illustrating a material feeding module and a second material taking jig according to the present embodiment;

fig. 9 is a schematic perspective view of the second transfer mechanism according to this embodiment;

fig. 10 is a schematic perspective view of another angle of the second transfer mechanism in this embodiment;

FIG. 11 is an enlarged view of the structure at B in FIG. 10;

fig. 12 is a schematic perspective view of the turning positioning assembly according to the present embodiment;

fig. 13 is a schematic view illustrating an assembly structure of the rear cover and the rear cover jig according to the embodiment;

fig. 14 is a schematic cross-sectional view of fig. 13.

Wherein: 01. a first material placing station, a 02 and second first O-ring assembling station, a 03 and third second O-ring assembling station, a 04 and fourth second O-ring detecting station, a 05 and rear cover, a 06 and rear cover jig, a 061 and positioning column, a 07 and first O-ring, a 08 and second O-ring;

10. the rear cover rotating jig table mechanism 11, the cam divider 12 and the rotating table;

20. the device comprises a first O-shaped ring feeding mechanism, a first vibrating disc, a linear feeding module, a linear guide rail assembly, 2211, a linear pressing plate, 2212, a linear track groove, 222, a linear feeder, 23, a first material taking jig, 231, a jig plate, 232, a first notch, 233, a jacking assembly, 2331, a jacking cylinder, 2332, a jig block, 2333, a notch A, 24 and a sensor A;

30. the O-shaped ring transplanting device comprises a first O-shaped ring assembling mechanism 31, a positioning component 311, a positioning cylinder 312, a positioning plate 313, a first through hole 314, a positioning hole 32, a first transplanting mechanism 321, a translation cylinder 322, a lifting cylinder 323 and a first clamping jaw cylinder;

40. the second O-shaped ring feeding mechanism 41, the second vibration disc 42, the second through hole 43, the second notch 44, the bottom plate 45, the guide rails C and 46, the finger cylinder 47, the finger cylinder driving part 48, the stop lever 49, the second material taking jig 410, the transplanting column 411, the lifting driving part 412, the reciprocating driving part 413, the first sensor 414, the second sensor 415 and the notch B;

50. the device comprises a second O-shaped ring assembling mechanism, a second O-shaped ring assembling mechanism, a second O-shaped ring assembling mechanism, a second O-shaped ring assembling mechanism, a second O-shaped mechanism, a second assembling mechanism, a second O-shaped ring assembling mechanism, a second O-shaped mechanism, a second assembling mechanism, a;

60. a first color sensor, 61, a second color sensor;

70. and (5) manually starting the deflector rod, 71 and the NG product material box.

Detailed Description

The following detailed description is made in conjunction with specific embodiments of the present invention:

in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 and 2, in the automatic O-ring sleeving device for the rear cover, an annular boss protrudes upwards from the bottom inside the rear cover 05, a first annular groove is horizontally formed in the periphery of the annular boss, and an upper second annular groove and a lower second annular groove are horizontally formed in the periphery of the rear cover 05; the first annular groove needs to be sleeved with a first O-shaped ring 07, and the upper second annular groove and the lower second annular groove need to be sleeved with a second O-shaped ring 08.

The automatic O-ring sleeving device comprises a rear cover rotating jig table mechanism 10, a first O-ring assembling mechanism 30, a second O-ring assembling mechanism 50, a first O-ring feeding mechanism 20 for feeding the first O-ring assembling mechanism 30, and a second O-ring feeding mechanism 40 for feeding the second O-ring assembling mechanism 50; the rear cover rotating jig table mechanism 10 is provided with a plurality of jigs for placing the rear cover 05.

As shown in fig. 2, the rear cover rotating jig table mechanism 10 includes a cam divider 11, a rotating table 12 in transmission connection with the cam divider 11, and four rear cover jigs 06 arranged on the rotating table 12 in four directions, front, rear, left, and right; the rotating table 12 rotates 90 degrees counterclockwise once per action; the four rear cover jigs 06 correspond to four stations respectively, one of the stations is a first discharging station 01, and the first discharging station 01 is used as a base point and is a second first O-shaped ring assembling station 02, a third second O-shaped ring assembling station 03 and a fourth second O-shaped ring detecting station 04 towards the upper right anticlockwise direction.

As shown in fig. 13 and 14, a convex ring is arranged on the periphery of the rear cover 05 between the upper second annular groove and the lower second annular groove, the upper second annular groove and the lower second annular groove are symmetrically arranged on two sides of the convex ring, and a plurality of through holes vertically penetrate through the periphery of the convex ring; each rear cover jig 06 is vertically provided with a plurality of positioning columns 061 which are in penetrating fit with the plurality of through holes.

In this embodiment, the automatic O-ring sleeving device for the rear cover further comprises a frame, a manual starting driving lever 70 is arranged on the frame, the manual starting driving lever 70 is used for driving the rotating table 12 to rotate 90 degrees anticlockwise for the cam divider 11, a worker takes down the rear cover 05 which is detected and completed by the fourth second O-ring detection station 04 on the first discharging station 01 at each time, and then after the rear cover 05 to be assembled is put in, the manual starting driving lever 70 is shifted, the cam divider 11 drives the rotating table 12 to rotate 90 degrees anticlockwise, and the four stations start to act.

The automatic O-ring sleeving device for the rear cover further comprises a fool-proof device used for placing the second O-ring 08 or the first O-ring 07 in a distinguished manner in the rear cover 05 which is not assembled, the fool-proof device comprises an NG product material box 71 provided with a sensor, and a first color sensor 60 used for detecting whether the first O-ring 07 on the rear cover 05 is assembled on the station is arranged on the side edge of the second first O-ring assembling station 02; a second color sensor 61 for detecting whether two second O-rings 08 on the rear cover 05 on the station are assembled or not is arranged on the side edge of the fourth second O-ring detection station 04; if the first color sensor 60 detects that the first O-ring 07 on the rear cover 05 on the second O-ring assembling station 02 is not assembled, when the rear cover 05 rotates by 90 degrees to the third second O-ring assembling station 03 along with the rear cover jig 06, the second O-ring assembling mechanism 50 does not assemble the rear cover 05 which is not assembled with the first O-ring 07, when the rear cover 05 which is not assembled with the first O-ring 07 rotates by two 90 degrees to the first placing station 01, a worker puts the rear cover 05 which is not assembled with the first O-ring 07 into the NG product material box 71, and when a sensor in the NG product material box 71 senses that the worker puts in the unqualified rear cover 05, the worker pulls the NG product material box 70 to manually start the pulling rod 70, the cam splitter 11 can drive the rotating table 12 to rotate by 90 degrees, and the device can normally work; otherwise, when the first color sensor 60 detects that the first O-ring 07 on the rear cover 05 on the second O-ring assembling station 02 is not assembled, the rear cover 05 without the first O-ring 07 is rotated for two 90 degrees to the first discharging station 01, and when a worker does not put the rear cover 05 without the first O-ring 07 into the NG product material box 71, the worker does not operate even if the worker turns the manual starting driving lever 70. Similarly, if the second color sensor 61 detects that one or two second O-rings 08 on the rear cover 05 on the fourth second O-ring detection station 04 are not assembled, when the rear cover 05 which is not assembled with the second O-rings 08 rotates for 90 degrees to the first discharge station 01, a worker puts the rear cover 05 which is not assembled with the second O-rings 08 into the NG product material box 71, and when the sensor of the NG product material box 71 senses that the worker puts the unqualified rear cover 05, the worker shifts the manual starting deflector rod 70 again, the cam divider 11 can drive the rotating table 12 to rotate 90 degrees anticlockwise, and the equipment can normally work; otherwise, the apparatus does not operate even if the worker dials the manual start lever 70.

As shown in fig. 3, 4 and 5, the first O-ring feeding mechanism 20 includes a first vibrating tray 21, a linear feeding module 22 disposed at a discharge port of the first vibrating tray 21, and a first material taking jig 23 disposed at a tail end of the linear feeding module 22; the linear feeding module 22 comprises a linear guide rail assembly 221 and a linear feeder 222 arranged on the lower end surface of the linear guide rail assembly 221; the first material taking jig 23 comprises a jacking assembly 233 which is connected with the linear guide rail assembly 221, is provided with a U-shaped first notch 232 and is arranged right below the first notch 232; the jacking assembly 233 comprises a jacking cylinder 2331 and a jig block 2332 fixedly connected with the moving part of the jacking cylinder 2331; the linear guide rail assembly 221 comprises a linear rail groove 2212 with a U-shaped section and a linear pressing plate 2211 covered on the linear guide rail groove, the width of the notch of the linear guide rail groove is matched with the diameter of the first O-shaped ring 07, and the depth of the linear rail groove 2212 is matched with the thickness of the first O-shaped ring 07 when the linear rail groove is flatly placed; a sensor A24 for detecting whether the first O-ring 07 on the jig plate 231 exists is arranged on the side edge of the jig plate 231; in this embodiment, the sensor a24 is an optical fiber sensor, the jig plate 231 has a through hole, and the sensor a24 is installed in the through hole.

The working principle of the first O-ring feeding mechanism 20 in this embodiment is as follows: the first vibrating disk 21 enables the disordered first O-rings 07 in the first vibrating disk 21 to automatically and orderly enter the linear rail grooves 2212 one by one, the linear feeder 222 continues to advance the first O-rings 07 in a row and orderly, and the linear pressing plate 2211 is matched with the linear guide rail grooves to form an advancing channel of the first O-rings 07, so that the first O-rings are continuously fed to the first O-ring assembling mechanism 30; when the sensor a24 detects that the first O-ring 07 is on the jig plate 231 of the first material taking jig 23, the first vibration disc 21 and the linear feeder 222 stop feeding, and when the sensor a24 detects that the first O-ring 07 on the jig plate 231 of the first material taking jig 23 is taken away, the first vibration disc 21 and the linear feeder 222 start feeding continuously.

As shown in fig. 6, the first O-ring assembling mechanism 30 includes a positioning assembly 31 for fixing the rear cover 05 on the rear cover jig 06 rotated to the second O-ring assembling station 02, and a first transplanting mechanism 32 for assembling the first O-ring 07 on the first material taking jig 23 to the rear cover jig 06 on the first O-ring 07 assembling station; the positioning assembly 31 comprises a positioning cylinder 311 and a liftable positioning plate 312 fixedly connected to a moving part of the positioning cylinder 311, wherein the positioning plate 312 is provided with a first through hole 313 through which a part of the rear cover 05 can pass, and a plurality of positioning holes 314 which are in penetrating fit with a plurality of positioning columns 061 are further formed around the first through hole 313; when first O type circle 07 is being assembled to the effect of locating plate 312, compress tightly back lid 05 and fix on the tool of this station, because first clamping jaw cylinder 323 is six claw cylinders, retract three clamping jaws at mutual interval earlier when unloading, then lift cylinder 322 retracts and then drive first clamping jaw cylinder 323 and rise, so locating plate 312 can prevent that back lid 05 from being taken up when the assembly.

The first transplanting mechanism 32 comprises a translation cylinder 321, a lifting cylinder 322 fixedly connected with a moving part of the translation cylinder 321, and a first clamping jaw cylinder 323 vertically arranged on the moving part of the lifting cylinder 322, wherein in the embodiment, the first clamping jaw cylinder 323 is a six-jaw cylinder; the upper end face of the jig block 2332 is provided with a plurality of notches a2333 corresponding to the clamping jaws of the first clamping jaw cylinder 323, and the notches a2333 facilitate the clamping jaws of the first clamping jaw cylinder 323 to extend into the notches a2333 and then open to take away the first O-ring 07.

As shown in fig. 7 and 8, the second O-ring feeding mechanism 40 includes a second vibrating tray 41, a material conveying module, a pick-and-place module for clamping the second O-ring 08 at the discharge port of the second vibrating tray 41 to the start end of the material conveying module, and a second material taking jig 49 disposed at the end of the material conveying module; the material conveying module comprises a material conveying rail, a second notch 43 is formed in the middle of the material conveying rail in a penetrating mode along the material conveying direction, the second notch 43 extends to the edge of one end, away from the material conveying rail, of a second material taking jig 49, and a material conveying driving assembly is arranged right below the second notch 43; the material conveying track comprises a fixedly arranged bottom plate 44 and two guide rails C45 which are fixed on the bottom plate 44 in parallel along the material conveying direction, and the width-direction distance between the two guide rails C45 is matched with the diameter of the O-shaped ring; the second notch 43 is formed in the bottom plate 44 of the feeding rail.

The material conveying driving assembly comprises a transplanting column module and a transplanting column driving module which drives the transplanting column module to lift and reciprocate along the material conveying direction; the transplanting column module comprises a plurality of transplanting columns 410 which are linearly arranged along the conveying direction and are vertically arranged at the same interval; the transplanting column driving module comprises a lifting driving member 411 for driving the fixing plate to lift, and a reciprocating driving member 412 for driving the lifting driving member 411 to integrally reciprocate along the material conveying direction; a plurality of transplanting columns 410 are fixed on the fixing plate, and the distance between every two adjacent transplanting columns 410 is larger than the diameter of the second O-ring 08.

The working principle of the material conveying module is as follows: after the lifting driving piece 411 is lifted, the transplanting column 410 penetrates into the second O-shaped ring 08, then the reciprocating driving piece 412 moves forwards, the transplanting column 410 drives the second O-shaped ring 08 to move forwards, and the second O-shaped ring 08 at the foremost end is transplanted to the second material taking jig 49 for being grabbed by the second clamping jaw air cylinder 53; after the forward movement is finished, the lifting driving member 411 descends, and the reciprocating driving member 412 moves backward, so that the transplanting and feeding of a second O-ring 08 is completed, and the circulation is repeated.

The taking and placing module comprises a finger cylinder 46, a finger cylinder driving piece 47 for driving the finger cylinder 46 to integrally move, and a blocking assembly for the second O-shaped ring 08, wherein the blocking assembly is arranged on the side edge of the second vibrating disk 41; three second through holes 42 are formed in the side wall of the discharging path of the second vibrating disk 41, and the blocking assembly comprises three stop levers 48 which can stretch and retract in the second through holes 42 and three stop lever driving pieces which respectively drive the three stop levers 48 to stretch and retract; a first sensor 413 for detecting whether the second O-shaped ring 08 exists is arranged on the side edge of each second through hole 42; a second sensor 414 for detecting the presence of the second O-ring 08 is provided on the side of the finger cylinder 46. In this embodiment, the second vibration disc 41 continuously works, three blocking rods are in a retraction state in an initial state, the second O-ring 08 in the second vibration disc 41 sequentially moves forward, when the second sensor 414 senses the second O-ring 08 and the first sensor 413 senses the second O-ring 08, the blocking rods extend out, and the second O-ring 08 at the blocking component is blocked from moving forward; when the second O-ring 08 at the discharge port of the second vibrating disk 41 is removed by the finger cylinder 46, and the second sensor 414 senses that no second O-ring 08 exists, the stop lever retracts, and the second O-ring 08 moves forwards; and sequentially feeding in a circulating manner. The blocking component prevents the second O-ring 08 from being stacked at the discharge hole of the second vibration disc 41, so that the second O-ring 08 in the second vibration disc 41 is continuously fed to the feeding module according to a set time.

The second material taking jig 49 is provided with a plurality of notches B415 at the positions corresponding to the clamping jaws of the second clamping jaw air cylinder 53; the notches B415 are arranged to facilitate the clamping jaws of the second clamping jaw air cylinder 53 to extend into the notches B415 to open and grab the second O-ring 08. A sensor B for detecting the existence of the second O-shaped ring 08 is arranged on the side edge of the second material taking jig 49, and the sensor B is not shown in the figure; when the sensor B senses that the second O-shaped ring 08 on the second material taking jig 49 is taken away by the second clamping jaw air cylinder 53, the controller controls the transplanting column driving module to move the transplanting column 410 for feeding, and when the sensor B senses that the second material taking jig 49 is provided with the second O-shaped ring 08, the controller controls the transplanting column driving module to stop feeding.

The working principle of the second O-ring feeding mechanism 40 in this embodiment is as follows: the second vibration disc 41 automatically realizes ordered and directional feeding of the disordered whole pile of second O-ring 08 materials in the hopper, and the second O-ring 08 materials are fed to a discharge port of the second vibration disc 41 and are clamped by a finger cylinder 46 of the pick-and-place module; after a finger cylinder 46 of the picking and placing module clamps a second O-shaped ring 08 at a discharge port of the second vibration disc 41, a push rod of a driving piece 47 of the finger cylinder extends to the upper part of the starting end of a material conveying track, the finger cylinder 46 loosens the material feeding, the second O-shaped ring 08 falls on the starting end of the material conveying track, and then the push rod of the driving piece 47 of the finger cylinder retracts to reset; the lifting driving member 411 of the material conveying mechanism rises, the transplanting columns 410 penetrate into the corresponding second O-shaped rings 08 respectively, then the reciprocating driving member 412 moves forwards to drive the second O-shaped rings 08 to move forwards, and the second O-shaped ring 08 at the forefront end is transplanted to the second material taking jig 49 to be grabbed by the second clamping jaw air cylinder 53.

As shown in fig. 9, 10, 11, and 12, the second O-ring assembling mechanism 50 includes a turning positioning component 31 that fixes or vertically turns over the rear cover 05 on the rear cover jig 06 rotated to the third second O-ring assembling station 03 by 180 degrees, and a second transfer mechanism that assembles the second O-ring 08 on the second material taking jig 49 onto the rear cover jig 06 on the second O-ring 08 assembling station.

The overturning positioning assembly 31 comprises a rotary air claw 51 capable of vertically rotating for 180 degrees and a driving air cylinder 52 for driving the rotary air claw 51 to ascend and descend; the second transfer mechanism comprises a second clamping jaw air cylinder 53 and a second clamping jaw air cylinder driving assembly for driving the second clamping jaw air cylinder 53 to move, wherein in the embodiment, the second clamping jaw air cylinder 53 is a six-jaw air cylinder; the second clamping jaw air cylinder driving component comprises a cam connecting rod module connected with the second clamping jaw air cylinder 53 and a cam connecting rod driving module driving the cam connecting rod module to move. The second transfer mechanism is arranged on the vertical mounting plate 54, the cam connecting rod module comprises a connecting rod 55, and one end of the connecting rod 55 is provided with a kidney-shaped groove 56; the mounting plate 54 is provided with a C-shaped guide groove 57 and a pair of linear guide rails A58 fixed on the mounting plate 54 in parallel along the horizontal direction; a linear guide rail B59 is vertically arranged on the slide blocks of the pair of linear guide rails A58, and the pair of slide blocks of the linear guide rail B59 are fixed on the slide blocks of the pair of linear guide rails A58; the guide rail of the linear guide rail B59 is fixedly connected with a guide rail connecting block 510; a shoulder screw 511 is fixed on the guide rail connecting block 510, a ball bearing 512 is sleeved on the shoulder screw 511, and the kidney-shaped groove 56 and the C-shaped guide groove 57 on the connecting rod 55 are sleeved on the outer ring of the ball bearing 512; the cam link driving module comprises a servo motor 513 and a right-angle speed reducer 514 in transmission connection with the servo motor 513, and the other end of the link 55 is in transmission connection with an output shaft of the right-angle speed reducer 514.

The specific working flow of the automatic O-shaped ring sleeving device for the rear cover in the embodiment is as follows:

in an initial state, four rear covers 05 are placed on four rear cover jigs 06 on the rotating table 12, specifically, the rear cover 05 to be assembled is placed on the first discharging station 01, the rear cover 05 assembled with the first O-shaped ring 07 is placed on the second O-shaped ring assembling station 02, the rear cover 05 assembled with the first O-shaped ring 07 is placed on the third O-shaped ring assembling station 03, the rear cover 05 assembled with the first O-shaped ring 07 and the two second O-shaped rings 08 is placed, and the rear cover 05 detected is placed on the fourth O-shaped ring detecting station 04. The material discharging process of the first material discharging station 01 is as follows: a worker places the rear cover 05 on the rear cover jig 06 on the first material placing station 01 with the opening facing upwards, and the positioning columns 061 on the rear cover jig 06 are inserted into corresponding through holes in the rear cover 05, so that the rear cover 05 is fixed;

(1) starting a main power supply, wherein at the moment, the first O-shaped ring feeding mechanism 20 and the second O-shaped ring feeding mechanism 40 start automatic feeding, and the first material taking jig 23 and the second material taking jig 49 are kept to be filled with materials; the working principle of the first O-ring feeding mechanism 20 and the second O-ring feeding mechanism 40 is described above, and is not described herein again;

(2) the manual starting deflector rod 70 is pulled, the cam divider 11 drives the rotating table 12 to rotate 90 degrees anticlockwise, the rear cover 05 to be assembled on the original first discharging station 01 then covers the jig 06 to rotate to the second first O-shaped ring assembling station 02, the positioning cylinder 311 of the positioning assembly 31 drives the positioning plate 312 to descend, the first through hole 313 of the positioning plate 312 is sleeved on the rear cover 05, the bottom surface of the positioning plate 312 is in contact with the top surface of the boss of the rear cover 05, and the positioning column 061 on the rear cover jig 06 is inserted into the corresponding positioning hole 314 of the positioning plate 312, so that the rear cover 05 to be assembled is fixed;

the jacking cylinder 2331 drives the jig block 2332 to ascend, and the jig block 2332 jacks the first O-shaped ring 07 on the jig plate 231 to a clamping jaw working range of the first clamping jaw cylinder 323; six clamping jaws of a first clamping jaw air cylinder 323 in the first transplanting mechanism 32 of the first O-ring assembling mechanism 30 are opened, and the first O-ring 07 on the jig block 2332 is taken away; because the first clamping jaw cylinder 323 is a six-jaw cylinder, the first O-shaped ring 07 is in an equilateral hexagon shape on the clamping jaw at the moment; a translation cylinder 321 in the first transplanting mechanism 32 extends leftwards to drive a first clamping jaw cylinder 323 to move leftwards, then a lifting cylinder 322 extends downwards to drive a clamping jaw of the first clamping jaw cylinder 323 to move downwards to the lowest point of the stroke of the clamping jaw to perform blanking on a first O-shaped ring 07;

during blanking, three clamping jaws which are spaced from each other in the clamping jaws of the first clamping jaw cylinder 323 are retracted firstly, at the moment, the first O-shaped ring 07 is in an equilateral triangle shape, three side parts of the first O-shaped ring 07 in the equilateral triangle shape are clamped into the first annular groove of the rear cover 05, then the lifting cylinder 322 is retracted to drive the first clamping jaw cylinder 323 to ascend, and as the first O-shaped ring 07 is partially clamped into the first annular groove of the rear cover 05, when the first clamping jaw cylinder 323 ascends, the first O-shaped ring 07 is integrally fixed in the first annular groove of the rear cover 05 due to the blocking force of the first annular groove of the rear cover 05 on the first O-shaped ring 07, so that the blanking of the first clamping jaw cylinder 323 is completed; then, the translation cylinder 321 retracts rightwards to reset, the positioning cylinder 311 retracts upwards to reset, the first clamping jaw cylinder 323 is driven to return to the initial state to reset, namely, the first clamping jaw cylinder 323 returns to the position right above the feeding jig A, and meanwhile, the remaining three clamping jaws of the first clamping jaw cylinder 323 retract;

(3) meanwhile, the original rear cover 05 on the second O-shaped ring assembling station 02 is covered with the jig 06 and rotated to the third second O-shaped ring assembling station 03; the initial position of the second clamping jaw air cylinder 53 is located in the middle of the guide stroke of the C-shaped guide groove 57, a second O-shaped ring 08 is already taken from the clamping jaw of the second clamping jaw air cylinder 53, and the second O-shaped ring 08 is in an equilateral hexagon on the clamping jaw due to the fact that the second clamping jaw air cylinder 53 is a six-jaw air cylinder; the second annular groove on the rear cover 05 is positioned right above the lower second annular groove;

the driving air cylinder 52 of the overturning positioning assembly 31 retracts downwards to drive the rotary air claw 51 to move downwards to two sides of the rear cover 05 on the third O-shaped ring assembly station 03, and then the rotary air claw 51 retracts to fix the rear cover 05; a servo motor 513 in the transplanting mechanism B drives the connecting rod 55 to swing clockwise through a right-angle speed reducer 514, and when the second clamping jaw air cylinder 53 moves to the lowest end of the rightmost end, blanking is performed;

during blanking, the second clamping jaw air cylinder 53 retracts three clamping jaws which are spaced from each other, at the moment, the second O-shaped ring 08 is in an equilateral triangle shape, three side parts of the second O-shaped ring 08 in the equilateral triangle shape are clamped into an upper second annular groove of the rear cover 05, and then the servo motor 513 drives the connecting rod 55 to swing anticlockwise so that the second clamping jaw air cylinder 53 returns to the initial position after rising; since second O-ring 08 has been partially snapped into the upper second annular groove of rear cover 05, the blocking force of the upper second annular groove of rear cover 05 against second O-ring 08 secures second O-ring 08 in its entirety in the upper second annular groove of rear cover 05 when second jaw cylinder 53 is raised; the servo motor 513 drives the connecting rod 55 to swing anticlockwise through the right-angle speed reducer 514, so as to drive the second clamping jaw cylinder 53 located at the initial position to move leftwards and downwards, meanwhile, the remaining three clamping jaws of the second clamping jaw cylinder 53 retract, when the connecting rod moves to the lowest end of the leftmost end, the second clamping jaw cylinder 53 opens, and then the second O-ring 08 on the second material taking jig 49 is opened and taken away, at the moment, the second O-ring 08 is in an equilateral hexagon shape, and then the servo motor 513 drives the connecting rod 55 to swing clockwise to the initial position (namely, the middle position of the guide stroke of the C-shaped guide groove 57) through the right-angle speed reducer 514;

fitting of the second O-ring 08 on the lower second annular groove of the rear cover 05; the driving cylinder 52 extends out to drive the rotary air claw 51 to ascend, the rotary air claw 51 rotates the rear cover 05 by 180 degrees after the rotary air claw 51 ascends to the highest point, the lower second annular groove is located right above the upper second annular groove, then the driving cylinder 52 retracts to drive the rotary air claw 51 to descend, and the rear cover 05 is installed on a rear cover jig 06 of a third second O-shaped ring assembling station 03 in a reverse buckling mode at the moment; then a servo motor 513 in the transplanting mechanism B drives a connecting rod 55 to swing clockwise through a right-angle speed reducer 514, drives a second clamping jaw air cylinder 53 located at an initial position to move rightwards and downwards, when the second clamping jaw air cylinder 53 moves to the lowest end of the rightmost end, the second clamping jaw air cylinder 53 retracts three clamping jaws which are spaced from each other, at the moment, a second O-ring 08 is in an equilateral triangle shape, three edge parts of the second O-ring 08 in the equilateral triangle shape are clamped into a lower second annular groove of the rear cover 05, and then the servo motor 513 drives the connecting rod 55 to swing anticlockwise, so that the second clamping jaw air cylinder 53 rises and returns to the initial position (namely the middle position of the guide stroke of the C-shaped guide groove 57); since second O-ring 08 has been partially snapped into the lower second annular groove of back cover 05, the blocking force of the lower second annular groove of back cover 05 against second O-ring 08 causes second O-ring 08 to be integrally secured in the lower second annular groove of back cover 05 as second jaw cylinder 53 is raised;

the servo motor 513 drives the connecting rod 55 to swing anticlockwise through the right-angle speed reducer 514, so as to drive the second clamping jaw air cylinder 53 located at the initial position to move leftwards and downwards, meanwhile, the remaining three clamping jaws of the second clamping jaw air cylinder 53 retract, when the second clamping jaw air cylinder 53 moves to the lowest end of the leftmost end, the second clamping jaw air cylinder 53 opens, so that the second O-ring 08 on the second material taking jig 49 is opened and taken away, at the moment, the second O-ring 08 is in an equilateral hexagon shape, and then the servo motor 513 drives the connecting rod 55 to swing clockwise to the initial position (namely, the middle position of the guide stroke of the C-shaped guide groove 57) through the right-angle speed reducer 514, so that the connecting rod 55 is used by the second O-ring assembling mechanism 50 in the next cycle; in the whole working process of the second O-ring assembling mechanism 50, the second clamping jaw air cylinder 53 is driven by the second clamping jaw air cylinder driving assembly to vertically move horizontally and vertically;

(4) meanwhile, the original rear cover 05 on the third second O-shaped ring assembling station 03 is covered with the jig 06 and then rotates to the fourth second O-shaped ring detecting station 04; the second color sensor 61 detects the rear cover 05 on the fourth second O-ring detection station 04;

(5) meanwhile, the rear cover 05 on the original fourth second O-shaped ring detection station 04 is then covered by the jig 06 to rotate to the first discharging station 01, the detected rear cover 05 on the original fourth second O-shaped ring detection station 04 on the first discharging station 01 is manually taken down, and then the rear cover 05 to be assembled is placed.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. It is obvious to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, and that the embodiments are therefore to be considered in all respects as exemplary and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (10)

1. The utility model provides a back lid is with automatic cover O type circle device which characterized in that: an annular boss protrudes upwards from the bottom inside the rear cover, a first annular groove is horizontally formed in the periphery of the annular boss, and an upper second annular groove and a lower second annular groove are horizontally formed in the periphery of the rear cover; the first annular groove is required to be sleeved with a first O-shaped ring, and the upper second annular groove and the lower second annular groove are required to be sleeved with second O-shaped rings;

the automatic O-shaped ring sleeving device comprises a rear cover rotating jig table mechanism, a first O-shaped ring assembling mechanism, a second O-shaped ring assembling mechanism, a first O-shaped ring feeding mechanism for feeding the first O-shaped ring assembling mechanism, and a second O-shaped ring feeding mechanism for feeding the second O-shaped ring assembling mechanism; and the rear cover rotating jig table mechanism is provided with a plurality of jigs for placing the rear cover.

2. The automatic O-ring sleeving device for the rear cover as claimed in claim 1, wherein:

the rear cover rotating jig table mechanism comprises a cam divider, a rotating table in transmission connection with the cam divider, and four rear cover jigs arranged on the rotating table in four directions, namely front, rear, left and right directions; the rotating table rotates 90 degrees anticlockwise when moving once; the four rear cover jigs respectively correspond to four stations, wherein one station is a first material placing station, and a second first O-ring assembling station, a third second O-ring assembling station and a fourth second O-ring detecting station are respectively arranged in the counterclockwise direction towards the upper right of the first material placing station serving as a base point;

the first O-shaped ring feeding mechanism comprises a first vibrating disc, a linear feeding module arranged at a discharge port of the first vibrating disc, and a first material taking jig arranged at the tail end of the linear feeding module;

the second O-shaped ring feeding mechanism comprises a second vibrating disc, a material conveying module, a taking and placing module and a second material taking jig, wherein the taking and placing module is used for clamping and placing a second O-shaped ring at a discharge port of the second vibrating disc to the starting end of the material conveying module;

the first O-shaped ring assembling mechanism comprises a positioning assembly for fixing a rear cover on a rear cover jig which rotates to a second O-shaped ring assembling station, and a first transplanting mechanism for assembling a first O-shaped ring on the first material taking jig to the rear cover jig on the first O-shaped ring assembling station;

and the second O-shaped ring assembling mechanism comprises a second transfer mechanism which is used for fixing a rear cover on a rear cover jig rotating to a third O-shaped ring assembling station or vertically overturning a 180-degree overturning positioning assembly and assembling a second O-shaped ring on the second material taking jig onto the rear cover jig on the second O-shaped ring assembling station.

3. The automatic O-ring sleeving device for the rear cover as claimed in claim 2, wherein: a convex ring is arranged on the periphery of the rear cover between the upper second annular groove and the lower second annular groove, the upper second annular groove and the lower second annular groove are symmetrically arranged on two sides of the convex ring up and down, and a plurality of through holes vertically penetrate through the periphery of the convex ring; each rear cover jig is vertically provided with a plurality of positioning columns which are in inserting fit with the plurality of through holes;

the linear feeding module comprises a linear guide rail assembly and a linear feeder arranged on the lower end face of the linear guide rail assembly;

the first material taking jig comprises a jig plate which is connected with the linear guide rail assembly and is provided with a U-shaped first notch, and a jacking assembly arranged right below the first notch; the jacking assembly comprises a jacking cylinder and a jig block fixedly connected with a moving part of the jacking cylinder.

4. The automatic O-ring sleeving device for the rear cover as claimed in claim 3, wherein: the linear guide rail assembly comprises a linear rail groove with a U-shaped section and a linear pressing plate covering the linear guide rail groove, and the width of the notch of the linear guide rail groove is matched with the diameter of the first O-shaped ring;

the side of tool board is provided with sensor A who detects first O type circle on the tool board and has or not.

5. The automatic O-ring sleeving device for the rear cover as claimed in claim 4, wherein: the positioning assembly comprises a positioning cylinder and a liftable positioning plate fixedly connected to a moving part of the positioning cylinder, a first through hole for the rear cover part to pass through is formed in the positioning plate, and a plurality of positioning holes which are in inserting fit with the positioning columns are formed in the periphery of the first through hole;

the first transplanting mechanism comprises a translation cylinder, a lifting cylinder fixedly connected with a moving part of the translation cylinder and a first clamping jaw cylinder vertically arranged on the moving part of the lifting cylinder; the upper end surface of the jig block is provided with a plurality of notches A corresponding to the clamping jaws of the first clamping jaw cylinder;

a first color sensor for detecting whether the first O-shaped ring on the rear cover is assembled on the station is arranged on the side edge of the second first O-shaped ring assembling station;

and a second color sensor for detecting whether two second O-shaped rings on the rear cover on the station are assembled is arranged on the side edge of the fourth second O-shaped ring detection station.

6. The automatic O-ring sleeving device for the rear cover as claimed in claim 2, wherein: the overturning positioning assembly comprises a rotary air claw capable of vertically rotating for 180 degrees and a driving cylinder for driving the rotary air claw to lift;

the second transfer mechanism comprises a second clamping jaw air cylinder and a second clamping jaw air cylinder driving assembly for driving the second clamping jaw air cylinder to move; the second clamping jaw air cylinder driving assembly comprises a cam connecting rod module connected with the second clamping jaw air cylinder and a cam connecting rod driving module driving the cam connecting rod module to move.

7. The automatic O-ring sleeving device for the rear cover as claimed in claim 6, wherein: the second shifting mechanism is arranged on the mounting plate in the vertical direction, the cam connecting rod module comprises a connecting rod, and one end of the connecting rod is provided with a kidney-shaped groove; the mounting plate is provided with a C-shaped guide groove and a pair of linear guide rails A which are fixed on the mounting plate in parallel along the horizontal direction; a pair of slide blocks of the linear guide rails B are fixed on the slide blocks of the linear guide rails A; the guide rail of the linear guide rail B is fixedly connected with a guide rail connecting block; a shoulder screw is fixed on the guide rail connecting block, a ball bearing is sleeved on the shoulder screw, and a kidney-shaped groove and a C-shaped guide groove on the connecting rod are sleeved on the outer ring of the ball bearing;

the cam connecting rod driving module comprises a servo motor and a right-angle speed reducer in transmission connection with the servo motor, and the other end of the connecting rod is in transmission connection with an output shaft of the right-angle speed reducer.

8. The automatic O-ring sleeving device for the rear cover as claimed in claim 2, wherein: the material conveying module comprises a material conveying rail, a second notch is formed in the middle of the material conveying rail in a penetrating mode along the material conveying direction, the second notch extends to the edge, away from one end of the material conveying rail, of a second material taking jig, and a material conveying driving assembly is arranged right below the second notch;

the conveying track comprises a fixedly arranged bottom plate and two guide rails C which are fixed on the bottom plate in parallel along the conveying direction, and the distance between the two guide rails C in the width direction is matched with the diameter of the O-shaped ring; the second notch is formed in the bottom plate of the material conveying rail;

the material conveying driving assembly comprises a transplanting column module and a transplanting column driving module which drives the transplanting column module to lift and reciprocate along the material conveying direction; the transplanting column module comprises a plurality of transplanting columns which are linearly arranged along the material conveying direction and are vertically arranged at the same interval; the transplanting column driving module comprises a lifting driving piece for driving the fixing plate to lift and a reciprocating driving piece for driving the lifting driving piece to integrally reciprocate along the material conveying direction; the transplanting columns are fixed on the fixing plate, and the distance between every two adjacent transplanting columns is larger than the diameter of the second O-shaped ring;

the taking and placing module comprises a finger cylinder, a finger cylinder driving piece for driving the finger cylinder to integrally move, and a blocking assembly for a second O-shaped ring arranged on the side edge of the second vibration disc; the side wall of the discharge path of the second vibrating disk is provided with three second through holes, and the blocking assembly comprises three stop levers capable of stretching in the second through holes and three stop lever driving pieces for respectively driving the three stop levers to stretch; a first sensor for detecting whether a second O-shaped ring exists is arranged on the side edge of each second through hole; a second sensor for detecting whether a second O-shaped ring exists is arranged on the side edge of the finger cylinder;

the second material taking jig is provided with a plurality of notches B corresponding to the clamping jaw positions of the second clamping jaw air cylinder; the side of second material taking jig is equipped with the sensor B that detects second O type circle and has or not.

9. The automatic O-ring sleeving device for the rear cover as claimed in claim 1, wherein: the automatic O-shaped ring sleeving device for the rear cover further comprises a rack, and a manual starting deflector rod is arranged on the rack.

10. The automatic O-ring sleeving device for the rear cover as claimed in claim 1, wherein: the automatic O-ring sleeving device for the rear cover further comprises a fool-proof device used for distinguishing the rear cover which is not assembled with the second O-ring or the first O-ring.

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