CN112412990A - Automatic assembly line for needle roller bearing - Google Patents
Automatic assembly line for needle roller bearing Download PDFInfo
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- CN112412990A CN112412990A CN202011301979.8A CN202011301979A CN112412990A CN 112412990 A CN112412990 A CN 112412990A CN 202011301979 A CN202011301979 A CN 202011301979A CN 112412990 A CN112412990 A CN 112412990A
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- feeding
- plate
- needle roller
- fixed
- outer ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
Abstract
The invention discloses an automatic assembly line for needle bearings, which comprises a feeding device, a conveying device, an inner and outer sleeving device, an assembly device and a discharge conveyor belt, wherein the feeding device, the conveying device, the inner and outer sleeving device, the assembly device and the discharge conveyor belt are arranged from left to right; the left end of the lower end surface of the transfer motion plate is provided with an assembly grabbing unit, and the right end of the lower end surface of the transfer motion plate is provided with a finished product grabbing unit; the inner and outer ring limiting units comprise inner and outer ring limiting supporting plates and isosceles trapezoid-shaped rotary supporting seats; the inner and outer ring limit supporting plates are inclined by forty-five degrees from front to back; the rotary supporting seat is arranged from front to back in an inclined manner at forty-five degrees, and a pair of inclined surfaces of the rotary supporting seat are arranged vertically; the rotary supporting seat is rotatably arranged on the inner and outer ring limiting supporting plates; the pair of inclined planes of the rotary supporting seat are respectively provided with an inner ring limiting seat and an outer ring limiting seat; the needle roller feeding device is positioned at the front side of the inner and outer ring limiting units and is used for inserting the lined needle rollers between the inner and outer rings. The invention has the advantages that: need not artifical the participation, effectively improve assembly efficiency.
Description
Technical Field
The invention relates to the technical field of needle bearing assembly, in particular to an automatic assembly line for needle bearings.
Background
Most of the existing needle bearing assembly needs manual work to participate, for example, in a loading and unloading stage, on the basis of increasing the working strength of workers, human errors in the assembly process can be caused inevitably, and the conditions of low assembly efficiency and poor assembly quality can be caused finally.
Disclosure of Invention
The invention aims to solve the technical problem that the needle bearing needs manual participation to cause low assembly efficiency, and provides an automatic assembly line for the needle bearing.
The technical scheme for solving the technical problems is as follows: an automatic assembly line for needle bearings comprises a feeding device, a conveying device, an inner and outer sleeving device, an assembly device and a discharge conveyor belt, wherein the feeding device, the conveying device, the inner and outer sleeving device, the assembly device and the discharge conveyor belt are arranged from left to right; the feeding device comprises a feeding central plate; a plurality of uniformly distributed feeding supporting feet are arranged on the bottom surface of the feeding central plate; an inner ring blanking hole which penetrates through the feeding center plate up and down is formed at the right rear end of the feeding center plate, and an outer ring blanking hole which penetrates through the feeding center plate up and down is formed at the right front end of the feeding center plate; a pair of lower guide sleeves in the shape of circular cylinders are fixed on the bottom surface of the feeding center plate; the pair of lower guide sleeves respectively face the inner ring blanking hole and the outer ring blanking hole; the front end of the upper end face of the feeding central plate is provided with an outer ring feeding device, and the rear end of the upper end face of the feeding central plate is provided with an inner ring feeding device; the inner ring feeding device and the outer ring feeding device have the same structure; a pair of feeding sliding plates which are symmetrically arranged in front and back are arranged at the lower side of the feeding central plate; the left end of the feeding sliding plate is formed with an intermittent pushing device; the conveying device comprises a pair of conveying units which are symmetrically arranged in front and back; the feeding sliding plates correspond to the conveying units one by one and are connected with the conveying units; the inner and outer sleeving devices comprise inner and outer sleeving units and a pair of intermittent feeding units which are symmetrically arranged front and back; the intermittent feeding units correspond to the conveying units one by one, and the conveying units are connected with the intermittent feeding units; the inner and outer sleeving units are used for placing the inner ring in the outer ring; the right end of the intermittent feeding unit at the front side is provided with a combined piece conveyor belt which conveys the combined piece forward from back; the assembling device comprises an assembly transferring device, a needle roller feeding device and an inner and outer ring limiting unit; the assembly transferring device comprises a transferring support plate arranged in a lifting way; the transfer motion plate is arranged on the front end surface of the transfer support plate in a left-right reciprocating manner; the left end of the lower end surface of the transfer motion plate is provided with an assembly grabbing unit, and the right end of the lower end surface of the transfer motion plate is provided with a finished product grabbing unit; the inner and outer ring limiting units comprise inner and outer ring limiting supporting plates and isosceles trapezoid-shaped rotary supporting seats; the inner and outer ring limit supporting plates are inclined by forty-five degrees from front to back; the rotary supporting seat is arranged from front to back in an inclined manner at forty-five degrees, and a pair of inclined surfaces of the rotary supporting seat are arranged vertically; the rotary supporting seat is rotatably arranged on the inner and outer ring limiting supporting plates; the pair of inclined planes of the rotary supporting seat are respectively provided with an inner ring limiting seat and an outer ring limiting seat; the needle roller feeding device is positioned at the front side of the inner and outer ring limiting units and is used for inserting the lined needle rollers between the inner and outer rings.
Preferably, the outer ring feeding device comprises a feeding motor fixed on the lower end face of the feeding central plate; the upper end of the output shaft of the feeding motor is fixed with a central connecting rod; a circular plate-shaped feeding rotating disc is fixed at the upper end of the central connecting rod; a plurality of feeding inserted rods which are uniformly distributed on the circumference are detachably fixed on the feeding rotating disk; the bottom surface of the feeding inserted bar is flush with the upper end surface of the feeding central plate.
Preferably, the feeding inserted rod is sleeved with a circular pressing ring.
Preferably, the intermittent pushing device comprises a pushing plate and a top plate; a pair of lower supporting seats are arranged right below the feeding central plate; a vertical telescopic hole which penetrates through the left part of the feeding sliding plate up and down is formed in the left part of the feeding sliding plate; a top plate lifting cylinder is fixed on the lower supporting seat; the top plate is vertically and telescopically arranged in the vertical telescopic hole; the top plate is fixed at the upper end of the top plate lifting cylinder; the pair of top plates are respectively positioned right below the pair of lower guide sleeves; the pushing plate moves left and right and is arranged at the upper left end of the upper end surface of the feeding sliding plate; a semi-cylindrical groove-shaped pushing groove is formed at the right end of the pushing plate; a left avoidance groove and a right avoidance groove for the top plate to move left and right are formed at the left end of the pushing groove; a pushing connecting plate is fixed at the left end of the lower end face of the pushing plate; a pushing cylinder is fixed at the left end of the lower end surface of the feeding sliding plate; the pushing connecting plate is fixed at the left end of a piston rod of the pushing cylinder; the right end of the upper end surface of the feeding sliding plate is respectively formed with a pair of front and rear supporting plates which are symmetrically arranged front and rear.
Preferably, the conveying unit includes a left front and rear conveyor belt for front and rear conveying and a right front and rear conveyor belt for front and rear conveying; a conveying sliding plate is arranged between the right front and rear conveying belts and the left front and rear conveying belts; a left conveying chain and a right conveying chain are arranged right above the conveying sliding plate; the conveying chain is provided with a plurality of uniformly distributed conveying driving plates.
Preferably, the intermittent feeding unit comprises a supporting plate and an intermittent driving plate which are sleeved; a front driving cylinder and a rear driving cylinder are respectively fixed at the left ends of the end surfaces of the pair of sleeved supporting plates, which are far away from each other; an intermittent front and rear moving seat is fixed on a piston rod of the front and rear driving cylinder; an intermittent left and right cylinder is fixed on the right end surface of the intermittent front and back moving seat; left and right moving connecting plates are respectively formed at the ends far away from the lower end surfaces of the pair of intermittent driving plates; the left-right moving connecting plate is fixed at the right end of the piston rod of the intermittent left-right air cylinder at the corresponding side; a plurality of isosceles trapezoid-shaped intermittent driving grooves which are uniformly distributed are respectively formed on the mutually close end surfaces of the pair of intermittent driving plates; the inner and outer sheathing units include a pair of front and rear support plates; a sleeved moving seat is arranged between the pair of front and rear supporting plates in a back-and-forth movement manner; a sleeved lifting cylinder is fixed on the upper end surface of the sleeved moving seat; a suction block supporting plate is fixed at the lower end of a piston rod sleeved with the lifting cylinder; the bottom surface of the suction block supporting plate is fixedly provided with a sleeved suction block; the sleeved suction block is used for absorbing the inner ring.
Preferably, the assembly transferring device comprises an assembly conveying support plate; a pair of assembly lifting cylinders which are arranged symmetrically left and right are fixed on the upper end surface of the assembly conveying support plate; the transmission supporting plate is fixed at the upper end of the piston rod of the lifting cylinder of the pair of assembly parts; the assembly grabbing unit is a cylinder claw with a pair of L-shaped assembly claws which are arranged symmetrically left and right and are synchronously far away from or close to the left and right; the middle part of the lower end surface of the body of the assembly grabbing unit is fixed with an inner ring limiting insertion column; the bottom of the inner ring limiting inserted column is formed into a truncated cone with a narrow lower part and a wide upper part; the finished product grabbing unit is an air cylinder claw which is provided with a pair of L-shaped finished product claws which are arranged symmetrically left and right and are synchronously far away from or close to each other left and right.
Preferably, the inner and outer ring limiting units further comprise inner and outer ring supporting seats; a plurality of inner and outer ring supporting feet which are uniformly distributed are arranged on the bottom surfaces of the inner and outer ring supporting seats; the inner and outer ring limiting supporting plates are fixed on the upper end surfaces of the inner and outer ring supporting seats; an intermittent rotating motor is fixed on the rear end surface of the inner and outer ring limiting supporting plates; the rotary supporting seat is fixed on an output shaft of the intermittent rotary motor; a cylindrical groove-shaped limiting slot is formed in the end face, away from the rotary supporting seat, of the inner ring limiting seat and the outer ring limiting seat; the left end and the right end of the side wall of the limiting slot are respectively provided with a claw avoiding slot; the bottom surface center of the limiting slot is formed with a cylindrical limiting central column with the same inner diameter as the inner ring.
Preferably, the needle roller feeding device comprises a needle roller feeding device and a needle roller assembling device; the needle roller feeding device is positioned on the left side of the needle roller assembling device; the needle roller feeding device comprises a hollow cuboid storage box; the bottom surface of the material storage box is provided with a plurality of material storage supporting legs which are uniformly distributed in years; needle roller feeding cylinders are respectively fixed on the front and the rear of the material storage box; the lower ends of the piston rods of the pair of roller pin feeding cylinders are fixedly provided with roller pin feeding connecting plates; a square columnar roller pin feeding column is formed at the right end of the upper end face of the roller pin feeding connecting plate; the roller pin feeding column vertically penetrates through the lower side wall of the storage box, and the right side wall of the roller pin feeding column is flush with the right side wall of the inner cavity of the storage box; a roller pin slot for inserting a roller pin is formed at the upper end of the right end face of the roller pin feeding column; the upper end of the right side wall of the material storage box is provided with a roller pin feeding guide rail which inclines downwards from left to right; the needle roller feeding guide rail is used for sliding the needle rollers in a vertical state; the right end of the needle roller feeding guide rail is sealed and a vertical blanking hole which is vertically penetrated by the needle roller is formed at the right end of the lower side wall of the needle roller feeding guide rail; the needle roller assembling device comprises an assembling support plate; a front-and-back moving groove which penetrates up and down is formed on the assembling support plate; a plurality of assembling supporting feet which are uniformly distributed are formed on the bottom surface of the assembling supporting plate; a movable supporting seat is arranged on the upper end surface of the assembling supporting plate in a back-and-forth movement manner; a needle roller blanking plate is fixed on the upper end of the movable supporting seat; a front and rear driving hole of a round hole-shaped roller pin penetrating through the movable supporting seat from front to rear is formed in the movable supporting seat; a plurality of spacer connecting rods which are uniformly distributed circumferentially are fixed on the front end surface of the movable supporting seat; the front end of the spacer connecting rod is fixedly provided with a spacer supporting plate; a cylindrical partition column is fixed on the rear end face of the partition column supporting plate; the spacer column is coaxially arranged with the front and rear driving holes of the roller pins, and a gap for the roller pins to insert is arranged between the spacer column and the cylindrical surfaces of the front and rear driving holes of the roller pins; an integral driving plate is formed at the bottom of the partition column supporting plate; a front driving cylinder and a rear driving cylinder are fixed on the bottom surface of the assembling support plate; the integral driving plate is arranged in the front and rear moving grooves in a front and rear moving mode and is fixedly connected with a piston rod of the front and rear driving cylinder; a roller pin ejection cylinder is fixed at the front end of the spacer column; a circular plate-shaped roller pin ejection connecting plate is fixed at the front end of a piston rod of the roller pin ejection cylinder; the isolating column is sleeved with a circular ring cylindrical ejection ring; the ejection ring is arranged in a gap between the spacer column and the cylindrical surfaces of the front and rear driving holes of the roller pin in a back and forth manner; a plurality of ejection connecting guide rods which are uniformly distributed circumferentially are formed on the rear end face of the roller pin ejection connecting plate; the ejection connecting guide rod penetrates through the spacer support plate in the front-back direction and is fixedly connected with the ejection ring; a vertical blanking groove is formed at the upper end of the front and rear driving holes of the roller pins; a needle roller guide groove is formed in the needle roller blanking plate; the lower end of the needle roller guide groove is connected with the vertical blanking groove; a guide metal hose is fixed between the lower end of the needle roller feeding guide rail and the upper end of the front end face of the needle roller blanking plate; the upper end of the guide metal hose is communicated with the vertical blanking hole, and the lower end of the guide metal hose is communicated with the upper end of the needle roller guide groove; the needle roller guide groove is S-shaped.
Preferably, the conveyor is provided with a demagnetizing device, an eddy current flaw detector, and a size detector.
The invention has the beneficial effects that: simple structure accomplishes the work piece conveying of going up between unloading and the different processes, greatly increased the efficiency and the automation of processing.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic top view of the feed center plate 11 of the present invention;
FIG. 3 is a schematic structural view of a cross section of the intermittent feed unit of the present invention;
fig. 4 is a schematic structural view from above of the intermittent drive plate 32 of the present invention;
FIG. 5 is a front view of the assembly transferring device of the present invention;
fig. 6 is a schematic structural view of a section of the needle roller feeding device 56 of the present invention;
FIG. 7 is a schematic cross-sectional view of the needle assembly 58 of the present invention;
fig. 8 is a schematic structural view of a section of the needle roller mounting device 58 and the inner and outer race stopper unit 59 of the present invention;
in the figure, 10, the feeding device; 11. a feed center plate; 110. an outer ring blanking hole; 111. an inner ring blanking hole; 12. a feed support leg; 13. a feeding motor; 131. a central connecting rod; 132. a feeding rotating disc; 14. a feeding inserted bar; 141. a compression ring; 15. a lower guide sleeve; 16. a feeding sliding plate; 160. a vertical telescopic hole; 161. a lower support seat; 162. front and rear side support plates; 17. a top plate lifting cylinder; 171. a top plate; 18. a push cylinder; 19. a push plate; 190. a push groove; 1900. left and right avoidance grooves; 191. pushing the connecting plate; 20. a conveying device; 21. a left front and rear conveyor belt; 22. a transfer sled; 23. a conveying chain; 231. transmitting the driving plate; 24. a right front and rear conveyor belt; 30. the inner and outer sleeves are provided with devices; 31. sleeving a supporting plate; 32. an intermittent drive plate; 320. intermittently driving the trough; 321. the connecting plate is moved left and right; 33. intermittently moving the base forward and backward; 331. intermittent left and right cylinders; 34. front and rear support plates; 35. sleeving a movable seat; 36. a lifting cylinder is sleeved; 361. a suction block support plate; 37. sleeving a suction block; 50. an assembly device; 51. an assembly transfer support plate; 52. the assembly lifting cylinder; 521. a transfer support plate; 53. a transfer motion plate; 54. an assembly grasping unit; 541. a combined part jaw; 542. the inner ring is limited and inserted with a column; 55. a finished product grabbing unit; 551. a finished product claw is formed; 56. a needle roller feeding device; 561. a material storage box; 562. a material storage supporting leg; 563. a needle roller feeding cylinder; 564. a needle roller feeding connecting plate; 565. needle roller feeding columns; 5650. a needle slot; 567. a needle roller feeding guide rail; 5670. a vertical blanking hole; 57. a guide metal hose; 58. a needle roller assembling device; 581. assembling a support plate; 5810. moving the slot forward and backward; 582. assembling supporting legs; 583. a front and back driving cylinder; 584. moving the supporting seat; 5840. front and back driving holes of the roller pins; 58400. a vertical blanking groove; 5841. a spacer connecting rod; 5842. a spacer support plate; 5843. an integral drive plate; 585. the roller pin is ejected out of the cylinder; 586. the roller pins are ejected out of the connecting plate; 5861. ejecting out the connecting guide rod; 587. ejecting a ring; 588. a needle roller blanking plate; 5880. a needle roller guide groove; 589. a partition column; 59. an inner and outer ring limit unit; 591. inner and outer ring supporting seats; 592. inner and outer ring supporting legs; 593. an outer ring limit supporting plate; 594. an intermittent rotating electrical machine; 595. rotating the supporting seat; 596. an inner and outer ring limiting seat; 5960. limiting slots; 5961. the claw avoiding groove; 5962. a central limiting column; 60. and a discharge conveyor belt.
Detailed Description
As shown in fig. 1 to 8, an automatic needle bearing assembling line includes a feeding device 10, a conveying device 20, an inner and outer sleeve device 30, an assembling device 50 and an discharging conveyor belt 60 arranged from left to right; the feeding device 10 comprises a feeding central plate 11; a plurality of evenly distributed feeding supporting feet 12 are arranged on the bottom surface of the feeding central plate 11; an inner ring blanking hole 111 which penetrates through the feeding center plate 11 up and down is formed at the right rear end of the feeding center plate, and an outer ring blanking hole 110 which penetrates through the feeding center plate up and down is formed at the right front end of the feeding center plate; a pair of lower guide sleeves 15 in the shape of circular cylinders are fixed on the bottom surface of the feeding central plate 11; the pair of lower guide sleeves 15 respectively face the inner ring blanking hole 111 and the outer ring blanking hole 110; an outer ring feeding device is arranged at the front end of the upper end face of the feeding central plate 11, and an inner ring feeding device is arranged at the rear end of the upper end face of the feeding central plate; the inner ring feeding device and the outer ring feeding device have the same structure; a pair of feeding sliding plates 16 which are symmetrically arranged front and back are arranged at the lower side of the feeding central plate 11; the left end of the feeding sliding plate 16 is formed with an intermittent pushing device; the conveying device 20 comprises a pair of conveying units which are symmetrically arranged in front and back; the feeding sliding plates 16 correspond to the conveying units one by one, and the feeding sliding plates 16 are connected with the conveying units; the inside and outside sheathing apparatus 30 includes inside and outside sheathing units and a pair of intermittent feeding units symmetrically disposed in front and rear; the intermittent feeding units correspond to the conveying units one by one, and the conveying units are connected with the intermittent feeding units; the inner and outer sleeving units are used for placing the inner ring in the outer ring; the right end of the intermittent feeding unit at the front side is provided with a combined piece conveyor belt 38 which conveys the combined piece from back to front; the assembling device 50 includes a pack transfer device, a needle roller feeding device, and an inner and outer ring stopper unit 59; the assembly transferring device comprises a transferring support plate 521 which is arranged in a lifting way; a transfer moving plate 53 disposed on the front end surface of the transfer support plate 521 to reciprocate left and right; the left end of the lower end surface of the transferring motion plate 53 is provided with a combined piece grabbing unit 54, and the right end is provided with a finished product grabbing unit 55; the inner and outer ring limit unit 59 comprises an inner and outer ring limit support plate 593 and an isosceles trapezoid-shaped rotary support seat 595; the inner and outer ring limit support plates 593 are inclined by forty-five degrees from front to back; the rotary support 595 is inclined by forty-five degrees from the front to the back, and a pair of inclined surfaces of the rotary support 595 are arranged perpendicular to each other; the rotary supporting seat 595 is rotatably arranged on the inner and outer ring limit supporting plates 593; the pair of inclined planes of the rotary supporting seat 595 is respectively provided with an inner ring limiting seat 596 and an outer ring limiting seat 596; the needle roller supply means is located at the front side of the inner and outer race stopper units 59 and is used to insert the needle rollers arranged in a circle between the inner and outer races.
As shown in fig. 1, the outer ring feeder includes a feed motor 13 fixed to a lower end surface of the feed center plate 11; a central connecting rod 131 is fixed at the upper end of an output shaft of the feeding motor 13; a circular plate-shaped feeding rotating disc 132 is fixed at the upper end of the central connecting rod 131; a plurality of feeding inserted rods 14 which are uniformly distributed on the circumference are detachably fixed on the feeding rotating disk 132; the bottom surface of the feed insert 14 is flush with the upper end surface of the feed center plate 11.
As shown in fig. 1, an annular clamp ring 141 is fitted over the feed plunger 14.
As shown in fig. 1, 3, the intermittent pushing means includes a pushing plate 19 and a top plate 171; a pair of lower supporting seats 161 are arranged right below the feeding central plate 11; a vertical telescopic hole 160 which penetrates up and down is formed at the left part of the feeding sliding plate 16; a top plate lifting cylinder 17 is fixed on the lower support seat 161; the top plate 171 is vertically and telescopically arranged in the vertical telescopic hole 160; the top plate 171 is fixed on the upper end of the top plate lifting cylinder 17; the pair of top plates 171 are respectively positioned right below the pair of lower guide sleeves 15; the pushing plate 19 moves left and right and is arranged at the upper left end of the upper end surface of the feeding sliding plate 16; a semi-cylindrical groove-shaped pushing groove 190 is formed at the right end of the pushing plate 19; a left and right avoidance groove 1900 for the top plate 171 to move left and right is formed at the left end of the push groove 190; a pushing connecting plate 191 is fixed at the left end of the lower end face of the pushing plate 19; a pushing cylinder 18 is fixed at the left end of the lower end surface of the feeding sliding plate 16; the pushing connecting plate 191 is fixed at the left end of the piston rod of the pushing cylinder 18; a pair of front and rear support plates 162 are formed at the right end of the upper end surface of the feed slide plate 16.
As shown in fig. 1, the conveying unit includes a left front-rear conveyor belt 21 that conveys front and rear and a right front-rear conveyor belt 24 that conveys front and rear; a conveying sliding plate 22 is arranged between the right front and rear conveying belts 24 and the left front and rear conveying belts 21; a conveying chain 23 for left and right conveying is arranged right above the conveying sliding plate 22; the conveying chain 23 is provided with a plurality of evenly distributed conveying driving plates 231.
As shown in fig. 1 and 4, the intermittent feeding unit includes a sheathing support plate 31 and an intermittent drive plate 32; front and rear driving cylinders are respectively fixed at the left ends of the end surfaces of the pair of sleeved supporting plates 31 which are far away from each other; an intermittent front and rear moving seat 33 is fixed on a piston rod of the front and rear driving cylinder; an intermittent left and right cylinder 331 is fixed on the right end surface of the intermittent front and rear moving seat 33; left and right connecting plates 321 are respectively formed at the ends far away from the lower end surfaces of the pair of intermittent drive plates 32; the left-right moving connecting plate 321 is fixed at the right end of the piston rod of the intermittent left-right cylinder 331 at the corresponding side; a plurality of isosceles trapezoid-shaped intermittent driving grooves 320 which are uniformly distributed are respectively formed on the mutually close end surfaces of the pair of intermittent driving plates 32; the inner and outer sheathing units include a pair of front and rear support plates 34; a sleeved moving seat 35 is arranged between the front and rear supporting plates 34 in a back-and-forth movement manner; a sleeved lifting cylinder 36 is fixed on the upper end surface of the sleeved moving seat 35; a suction block supporting plate 361 is fixed at the lower end of the piston rod sleeved with the lifting cylinder 36; the bottom surface of the suction block supporting plate 361 is fixedly provided with a sleeved suction block 37; the sleeving and sucking block 37 is used for sucking the inner ring.
As shown in fig. 1, 5, the assembly transfer device includes an assembly conveying support plate 51; a pair of assembly lifting cylinders 52 which are arranged in bilateral symmetry are fixed on the upper end surface of the assembly conveying support plate 51; the transmission support plate 521 is fixed on the upper ends of the piston rods of the pair of assembly lifting cylinders 52; the assembly grabbing unit 54 is a cylinder jaw having a pair of L-shaped assembly jaws 541 symmetrically arranged left and right and synchronously far away from or close to left and right; an inner ring limiting insertion column 542 is fixed in the middle of the lower end face of the body of the assembly grabbing unit 54; the bottom of the inner ring limiting insert column 542 is formed into a truncated cone with a narrow lower part and a wide upper part; the finished product gripping unit 55 is a cylinder jaw having a pair of L-shaped finished product jaws 551 which are arranged in bilateral symmetry and are simultaneously distant from or close to each other from or to the left and right.
As shown in fig. 1 and 8, the inner and outer race stopper unit 59 further includes inner and outer race support seats 591; a plurality of inner and outer ring supporting feet 592 which are uniformly distributed are arranged on the bottom surfaces of the inner and outer ring supporting seats 591; the inner and outer ring limit supporting plates 593 are fixed on the upper end face of the inner and outer ring supporting seat 591; an intermittent rotating motor 594 is fixed on the rear end face of the inner and outer ring limiting supporting plates 593; the rotary supporting seat 595 is fixed on the output shaft of the intermittent rotating motor 594; a cylindrical groove-shaped limiting slot 5960 is formed in the end face, away from the rotary supporting seat 595, of the inner and outer ring limiting seat 596; the left end and the right end of the side wall of the limiting slot 5960 are respectively provided with a claw avoiding slot 5961; the bottom center of the limit slot 5960 is formed with a cylindrical limit center post 5962 with the same inner diameter as the inner ring.
As shown in fig. 1, 6 to 8, the needle roller feeding device includes a needle roller feeding device 56 and a needle roller assembling device 58; the needle roller feeding device 56 is positioned at the left side of the needle roller assembling device 58; the needle roller feeding device 56 includes a storage case 561 having a hollow rectangular parallelepiped shape; a plurality of evenly annually distributed storage supporting legs 562 are arranged on the bottom surface of the storage box 561; a roller pin feeding cylinder 563 is fixed on the front and the rear of the storage box 561 respectively; a needle roller feeding connecting plate 564 is fixed at the lower end of the piston rod of the pair of needle roller feeding cylinders 563; a roller pin feeding column 565 in a square column shape is formed at the right end of the upper end surface of the roller pin feeding connecting plate 564; the roller needle feeding column 565 vertically passes through the lower side wall of the storage tank 561, and the right side wall of the roller needle feeding column 565 is flush with the right side wall of the inner cavity of the storage tank 561; a needle roller slot 5650 for inserting the needle roller is formed at the upper end of the right end face of the needle roller feeding column 565; a needle roller feeding guide rail 567 which inclines downwards from left to right is arranged at the upper end of the right side wall of the material storage tank 561; the needle roller feeding guide rail 567 is used for sliding the needle rollers in a vertical state; the right end of the needle roller feeding guide rail 567 is sealed, and a vertical blanking hole 5670 which is formed at the right end of the lower side wall of the needle roller feeding guide rail 567 and is used for the needle roller to vertically penetrate through is formed; the needle roller mounting device 58 includes a mounting support plate 581; a front-back moving groove 5810 penetrating up and down is formed on the assembling support plate 581; a plurality of assembly supporting legs 582 which are uniformly distributed are formed on the bottom surface of the assembly supporting plate 581; a movable support base 584 is arranged on the upper end surface of the assembling support plate 581 in a back-and-forth movement manner; a needle roller blanking plate 588 is fixed on the upper end of the movable supporting seat 584; a front and rear driving hole 5840 of a round hole-shaped roller pin penetrating through the front and rear parts is formed in the movable supporting seat 584; a plurality of spacer connecting rods 5841 which are uniformly distributed circumferentially are fixed on the front end surface of the movable supporting seat 584; a spacer support plate 5842 is fixed at the front end of the spacer connecting rod 5841; a cylindrical partition column 589 is fixed on the rear end face of the partition column support plate 5842; the spacers 589 are coaxially arranged with the front and rear needle roller driving holes 5840, and a gap for inserting the needle rollers is arranged between the spacers 589 and the cylindrical surfaces of the front and rear needle roller driving holes 5840; an integral driving plate 5843 is formed on the bottom of the spacer supporting plate 5842; a front and rear driving cylinder 583 is fixed on the bottom surface of the mounting support plate 581; the integral driving plate 5843 is arranged in the front and rear moving groove 5810 in a front and rear moving mode and is fixedly connected with a piston rod of a front and rear driving cylinder 583; a roller pin ejection cylinder 585 is fixed at the front end of the spacer 589; a circular plate-shaped needle roller ejection connecting plate 586 is fixed at the front end of a piston rod of the needle roller ejection cylinder 585; an ejection ring 587 in a circular ring cylinder shape is sleeved on the isolating column 589; the ejection ring 587 moves back and forth and is arranged in a gap between the spacer column 589 and the cylindrical surface of the needle roller front and rear driving hole 5840; a plurality of ejection connecting guide rods 5861 which are uniformly distributed circumferentially are formed on the rear end surface of the needle roller ejection connecting plate 586; the ejection connecting guide rod 5861 penetrates through the column spacer supporting plate 5842 in the front-back direction and is fixedly connected with the ejection ring 587; a vertical blanking groove 58400 is formed at the upper end of the needle roller front and rear driving hole 5840; a needle roller guide groove 5880 is formed in the needle roller blanking plate 588; the lower end of the needle roller guide groove 5880 is connected with the vertical blanking groove 58400; a guide metal hose 57 is fixed between the lower end of the needle roller feeding guide rail 567 and the upper end of the front end face of the needle roller blanking plate 588; the upper end of the guide metal hose 57 is communicated with the vertical blanking hole 5670, and the lower end is communicated with the upper end of the needle roller guide groove 5880; the needle guide groove 5880 is S-shaped.
The conveyor 20 is provided with a demagnetizing device, an eddy current inspection device, and a size detection device.
The working principle of the automatic assembly line of the needle bearing;
firstly, the bearing outer ring is vertically sleeved on the feeding inserted bar 14 of the outer ring feeding device, the bearing inner ring is sleeved on the feeding inserted bar 14 of the inner ring feeding device, then the top plate 171 descends, then the bearing outer ring or the bearing inner ring is positioned in the pushing groove 190 of the pushing plate 19, then the pushing plate 19 moves rightwards to push the bearing outer ring or the bearing inner ring to the feeding sliding plate 16, then the top plate 171 rises to return to prevent the bearing outer ring or the bearing inner ring from accidentally dropping, then the pushing plate 19 moves leftwards to return to the original position, so that after the bearing outer ring or the bearing inner ring is fully distributed on the feeding sliding plate 16 in the left-right direction, along with the entering of a new bearing outer ring or a new bearing inner ring, the rightmost bearing outer ring or the bearing inner ring enters the conveying device 20 and is conveyed to the intermittent feeding unit of the inner and outer ring feeding device 30, the front and the back move backwards through the sleeving moving seat 35, the sleeving suction block 37 descends to suck the bearing inner ring and ascends to return to the position, then the sleeving moving seat 35 moves forwards, then the sleeving suction block 37 descends to place the bearing inner ring in the bearing outer ring, then the intermittent feeding unit moves the assembly to the assembly conveyor belt 38, then the transmission moving plate 53 moves to the leftmost end, then the transmission support plate 521 descends, in the process, the inner ring limit insert column 542 is inserted into the bearing inner ring, then the pair of assembly clamping jaws 541 close to and clamp the bearing outer ring, then the transmission support plate 521 ascends to return to the position, then the transmission moving plate 53 moves to the rightmost end, so that the assembly is positioned in the limit slot 5960 of the inner and outer ring limit seats 596, at the moment, the bearing inner ring is sleeved in the jaw avoiding slot 5961, the bearing outer ring is contacted with the cylindrical surface of the limit slot 5960, at the moment, then the rotary supporting seat 595 rotates 180 degrees, at this moment, the inner and outer ring limiting seats 596 change from vertical upward to forward direction, then the movable supporting seat 584 moves backwards to the rearmost end, and then the ejecting ring 587 moves backwards, so that the roller pins arranged in a circle are inserted between the bearing outer ring and the bearing inner ring to complete bearing assembly; then the rotary supporting seat 595 rotates 180 degrees, the finished bearing is arranged upwards, then the transfer supporting plate 521 descends, the pair of finished jaws 551 is close to and clamps the finished bearing, then the transfer supporting plate 521 ascends, then the transfer moving plate 53 moves rightmost, then the transfer supporting plate 521 descends, at this moment, the finished bearing is positioned above the discharge conveyor 60, and then the pair of finished jaws 551 is far away, so that the finished bearing falls onto the discharge conveyor 60 and is output along with the discharge conveyor 60; finally, the transfer support plate 521 rises to return, and the transfer motion plate 53 moves leftwards to return;
the needle roller feeding process is that firstly the needle roller feeding column 565 reciprocates, the needle roller is continuously transferred to the needle roller feeding guide rail 567 by the needle roller slot 5650, then the needle roller passes through the vertical blanking hole 5670 and enters the needle roller guide groove 5880 along the guide metal hose 57, and then the needle roller rolls into the gap between the spacer 589 and the cylindrical surface of the needle roller front and rear driving hole 5840 and is arranged into a circle.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, there are variations on the embodiment and the application scope according to the idea of the present invention, and the content of the present description should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides a bearing automatic assembly line which characterized in that: comprises a feeding device (10), a conveying device (20), an inner and outer sleeving device (30), an assembling device (50) and a discharging conveyor belt (60) which are arranged from left to right; the feeding device (10) comprises a feeding central plate (11); a plurality of evenly distributed feeding supporting feet (12) are arranged on the bottom surface of the feeding central plate (11); an inner ring blanking hole (111) which penetrates through the feeding center plate (11) up and down is formed at the rear right end of the feeding center plate, and an outer ring blanking hole (110) which penetrates through the feeding center plate up and down is formed at the front right end of the feeding center plate; a pair of lower guide sleeves (15) in the shape of circular cylinders are fixed on the bottom surface of the feeding center plate (11); the pair of lower guide sleeves (15) respectively face the inner ring blanking hole (111) and the outer ring blanking hole (110); the front end of the upper end face of the feeding central plate (11) is provided with an outer ring feeding device, and the rear end is provided with an inner ring feeding device; the inner ring feeding device and the outer ring feeding device have the same structure; a pair of feeding sliding plates (16) which are symmetrically arranged in front and back are arranged at the lower side of the feeding central plate (11); an intermittent pushing device is formed at the left end of the feeding sliding plate (16); the conveying device (20) comprises a pair of conveying units which are symmetrically arranged in front and back; the feeding sliding plates (16) correspond to the conveying units one by one, and the feeding sliding plates (16) are connected with the conveying units; the inner and outer sleeving devices (30) comprise inner and outer sleeving units and a pair of intermittent feeding units which are symmetrically arranged front and back; the intermittent feeding units correspond to the conveying units one by one, and the conveying units are connected with the intermittent feeding units; the inner and outer sleeving units are used for placing the inner ring in the outer ring; the right end of the intermittent feeding unit at the front side is provided with a combined piece conveyor belt (38) which conveys from back to front; the assembling device (50) comprises a combined piece transferring device, a needle roller feeding device and an inner and outer ring limiting unit (59); the assembly transferring device comprises a transferring support plate (521) arranged in a lifting way; a transfer motion plate (53) which is arranged on the front end surface of the transfer support plate (521) in a reciprocating manner from side to side; the left end of the lower end surface of the transfer motion plate (53) is provided with a combined piece grabbing unit (54), and the right end is provided with a finished product grabbing unit (55); the inner and outer ring limiting unit (59) comprises an inner and outer ring limiting support plate (593) and an isosceles trapezoid-shaped rotary support seat (595); the inner and outer ring limit supporting plates (593) are inclined by forty-five degrees from front to back; the rotary supporting seat (595) is arranged obliquely at forty-five degrees from front to back, and a pair of inclined planes of the rotary supporting seat (595) are arranged vertically to each other; the rotary supporting seat (595) is rotatably arranged on the inner and outer ring limit supporting plates (593); an inner ring limiting seat and an outer ring limiting seat (596) are respectively arranged on a pair of inclined surfaces of the rotary supporting seat (595); a needle roller feeding device is located on the front side of the inner and outer ring stopper units (59) and is used to insert the circularly arranged needle rollers between the inner and outer rings.
2. The automatic needle bearing assembly line of claim 1, wherein: the outer ring feeding device comprises a feeding motor (13) fixed on the lower end face of the feeding central plate (11); the upper end of the output shaft of the feeding motor (13) is fixed with a central connecting rod (131); a circular plate-shaped feeding rotating disc (132) is fixed at the upper end of the central connecting rod (131); a plurality of feeding inserted rods (14) which are uniformly distributed on the circumference are detachably fixed on the feeding rotating disk (132); the bottom surface of the feeding inserted rod (14) is flush with the upper end surface of the feeding central plate (11).
3. The automatic needle bearing assembly line of claim 2, wherein: the annular compression ring (141) is sleeved on the feeding inserted bar (14).
4. The automatic needle bearing assembly line of claim 1, wherein: the intermittent pushing device comprises a pushing plate (19) and a top plate (171); a pair of lower supporting seats (161) are arranged right below the feeding central plate (11); a vertical telescopic hole (160) which penetrates through the left part of the feeding sliding plate (16) up and down is formed on the left part of the feeding sliding plate; a top plate lifting cylinder (17) is fixed on the lower support seat (161); the top plate (171) is vertically and telescopically arranged in the vertical telescopic hole (160); the top plate (171) is fixed at the upper end of the top plate lifting cylinder (17); the pair of top plates (171) are respectively positioned right below the pair of lower guide sleeves (15); the pushing plate (19) moves left and right and is arranged at the upper left end of the upper end surface of the feeding sliding plate (16); a semi-cylindrical groove-shaped pushing groove (190) is formed at the right end of the pushing plate (19); a left and right avoidance groove (1900) for the top plate (171) to move left and right is formed at the left end of the pushing groove (190); a pushing connecting plate (191) is fixed at the left end of the lower end face of the pushing plate (19); a pushing cylinder (18) is fixed at the left end of the lower end surface of the feeding sliding plate (16); the pushing connecting plate (191) is fixed at the left end of the piston rod of the pushing cylinder (18); a pair of front and rear support plates (162) which are symmetrically arranged in front and rear are respectively formed at the right end of the upper end surface of the feeding sliding plate (16).
5. The automatic needle bearing assembly line of claim 1, wherein: the conveying unit comprises a left front and rear conveying belt (21) for front and rear conveying and a right front and rear conveying belt (24) for front and rear conveying; a conveying sliding plate (22) is arranged between the right front and rear conveyor belt (24) and the left front and rear conveyor belt (21); a left-right conveying chain (23) is arranged right above the conveying sliding plate (22); the conveying chain (23) is provided with a plurality of uniformly distributed conveying driving plates (231).
6. The automatic needle bearing assembly line of claim 1, wherein: the intermittent feeding unit comprises a sleeved supporting plate (31) and an intermittent driving plate (32); a front driving cylinder and a rear driving cylinder are respectively fixed at the upper left ends of the end surfaces of the pair of sleeved supporting plates (31) which are far away from each other; an intermittent front and rear moving seat (33) is fixed on a piston rod of the front and rear driving cylinder; an intermittent left and right air cylinder (331) is fixed on the right end surface of the intermittent front and back moving seat (33); left and right connecting plates (321) are respectively formed at the ends far away from the lower end surfaces of the pair of intermittent driving plates (32); the left-right moving connecting plate (321) is fixed at the right end of the piston rod of the intermittent left-right cylinder (331) at the corresponding side; a plurality of isosceles trapezoid-shaped intermittent driving grooves (320) which are uniformly distributed are respectively formed on the mutually close end surfaces of the pair of intermittent driving plates (32); the inner and outer sheathing units include a pair of front and rear support plates (34); a sleeved moving seat (35) is arranged between the front and rear supporting plates (34) in a back-and-forth movement way; a sleeved lifting cylinder (36) is fixed on the upper end surface of the sleeved moving seat (35); a suction block supporting plate (361) is fixed at the lower end of the piston rod sleeved with the lifting cylinder (36); a sleeved suction block (37) is fixed on the bottom surface of the suction block supporting plate (361); the sleeved suction block (37) is used for sucking the inner ring.
7. The automatic needle bearing assembly line of claim 1, wherein: the assembly transfer device includes an assembly transfer support plate (51); a pair of assembly lifting cylinders (52) which are arranged symmetrically left and right are fixed on the upper end surface of the assembly conveying support plate (51); the transmission support plate (521) is fixed at the upper end of the piston rod of the pair of assembly lifting cylinders (52); the assembly grabbing unit (54) is a cylinder claw with a pair of L-shaped assembly claws (541) which are arranged symmetrically left and right and synchronously far away from or close to each other left and right; an inner ring limiting insertion column (542) is fixed in the middle of the lower end face of the body of the assembly grabbing unit (54); the bottom of the inner ring limiting insert column (542) is formed into a truncated cone with a narrow lower part and a wide upper part; the finished product grabbing unit (55) is a cylinder claw with a pair of L-shaped finished product claws (551) which are arranged symmetrically left and right and are synchronously far away or close left and right.
8. The automatic needle bearing assembly line of claim 1, wherein: the inner and outer ring limiting unit (59) further comprises an inner and outer ring supporting seat (591); a plurality of inner and outer ring supporting feet (592) which are uniformly distributed are arranged on the bottom surfaces of the inner and outer ring supporting seats (591); the inner and outer ring limit supporting plates (593) are fixed on the upper end surfaces of the inner and outer ring supporting seats (591); an intermittent rotating motor (594) is fixed on the rear end face of the inner and outer ring limiting supporting plates (593); the rotary supporting seat (595) is fixed on an output shaft of the intermittent rotating motor (594); a cylindrical groove-shaped limiting slot (5960) is formed in the end face, away from the rotary supporting seat (595), of the inner and outer ring limiting seat (596); the left end and the right end of the side wall of the limiting slot (5960) are respectively provided with a claw avoiding slot (5961); a cylindrical limiting central column (5962) with the same inner diameter as the inner ring is formed in the center of the bottom surface of the limiting slot (5960).
9. The automatic needle bearing assembly line of claim 1, wherein: the needle roller feeding device comprises a needle roller feeding device (56) and a needle roller assembling device (58); the needle roller feeding device (56) is positioned on the left side of the needle roller assembling device (58); the needle roller feeding device (56) comprises a storage box (561) which is hollow and cuboid; a plurality of material storage supporting legs (562) which are uniformly distributed in years are arranged on the bottom surface of the material storage box (561); a roller pin feeding cylinder (563) is respectively fixed on the front and the rear of the material storage box (561); the lower ends of the piston rods of the pair of needle roller feeding cylinders (563) are fixed with needle roller feeding connecting plates (564); a roller pin feeding column (565) in a square column shape is formed at the right end of the upper end surface of the roller pin feeding connecting plate (564); the roller needle feeding column (565) vertically penetrates through the lower side wall of the storage tank (561) and the right side wall of the roller needle feeding column (565) is flush with the right side wall of the inner cavity of the storage tank (561); a needle roller slot (5650) for inserting the needle roller is formed at the upper end of the right end surface of the needle roller feeding column (565); the upper end of the right side wall of the material storage box (561) is provided with a needle roller feeding guide rail (567) which inclines downwards from left to right; the needle roller feeding guide rail (567) is used for the needle rollers in a vertical state to slide; the right end of the needle roller feeding guide rail (567) is sealed and provided, and a vertical blanking hole (5670) which is penetrated vertically and is used for the needle roller to vertically penetrate is formed at the right end of the lower side wall of the needle roller feeding guide rail (567); the needle roller assembly device (58) comprises an assembly support plate (581); a front-back moving groove (5810) which penetrates through the assembly supporting plate (581) up and down is formed on the assembly supporting plate (581); a plurality of assembling supporting feet (582) which are uniformly distributed are formed on the bottom surface of the assembling supporting plate (581); a movable supporting seat 584 is arranged on the upper end surface of the assembling supporting plate 581 in a back-and-forth movement mode; a needle roller blanking plate (588) is fixed on the upper end of the movable supporting seat (584); a front and rear driving hole (5840) of a round hole-shaped needle roller penetrating through the front and rear is formed in the movable supporting seat (584); a plurality of spacer connecting rods (5841) which are uniformly distributed circumferentially are fixed on the front end surface of the movable supporting seat (584); a spacer support plate (5842) is fixed at the front end of the spacer connecting rod (5841); a cylindrical partition column (589) is fixed on the rear end face of the partition column supporting plate (5842); the spacers (589) and the front and rear needle roller driving holes (5840) are coaxially arranged, and a gap for inserting the needle rollers is arranged between the spacers (589) and the cylindrical surfaces of the front and rear needle roller driving holes (5840); an integral driving plate (5843) is formed on the bottom of the partition column supporting plate (5842); a front and rear driving cylinder (583) is fixed on the bottom surface of the assembly supporting plate (581); the integral driving plate (5843) is arranged in the front and rear moving groove (5810) in a front and rear moving mode and is fixedly connected with a piston rod of a front and rear driving cylinder (583); a roller pin ejecting cylinder (585) is fixed at the front end of the spacer column (589); a circular plate-shaped needle roller ejection connecting plate (586) is fixed at the front end of a piston rod of the needle roller ejection cylinder (585); the isolating column (589) is sleeved with a circular-ring cylindrical ejection ring (587); the ejection ring (587) is arranged in a gap between the spacer column (589) and the cylindrical surface of the needle roller front-back driving hole (5840) in a front-back movement mode; a plurality of ejection connecting guide rods (5861) which are uniformly distributed circumferentially are formed on the rear end surface of the needle roller ejection connecting plate (586); the ejection connecting guide rod (5861) penetrates through the column spacer supporting plate (5842) in the front-back direction and is fixedly connected with the ejection ring (587); a vertical blanking groove (58400) is formed at the upper end of the front and rear driving holes (5840) of the roller pins; a needle roller guide groove (5880) is formed in the needle roller blanking plate (588); the lower end of the needle roller guide groove (5880) is connected with a vertical blanking groove (58400); a guide metal hose (57) is fixed between the lower end of the needle roller feeding guide rail (567) and the upper end of the front end face of the needle roller blanking plate (588); the upper end of the guide metal hose (57) is communicated with the vertical blanking hole (5670), and the lower end of the guide metal hose is communicated with the upper end of the needle roller guide groove (5880); the needle roller guide groove (5880) is S-shaped.
10. The automatic needle bearing assembly line of claim 1, wherein: the conveying device (20) is provided with a demagnetizing device, an eddy current flaw detection device and a size detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011301979.8A CN112412990B (en) | 2020-11-19 | 2020-11-19 | Automatic assembly line for needle roller bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011301979.8A CN112412990B (en) | 2020-11-19 | 2020-11-19 | Automatic assembly line for needle roller bearing |
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| CN112412990A true CN112412990A (en) | 2021-02-26 |
| CN112412990B CN112412990B (en) | 2022-03-11 |
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| CN115539519A (en) * | 2022-10-31 | 2022-12-30 | 黄石人本轴承有限公司 | Full-roller outer-ring-free cylindrical roller bearing assembly machine and use method thereof |
| CN116852069A (en) * | 2023-09-04 | 2023-10-10 | 万向钱潮股份公司 | Universal joint mounting system |
| CN117432719A (en) * | 2023-12-20 | 2024-01-23 | 无锡双益精密机械有限公司 | Roller bearing assembly devices |
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