CN107877156B - For installing the automatic assembling machine and assembly method of diesel engine cylinder cover valve seat valve rod - Google Patents
For installing the automatic assembling machine and assembly method of diesel engine cylinder cover valve seat valve rod Download PDFInfo
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- CN107877156B CN107877156B CN201710991261.8A CN201710991261A CN107877156B CN 107877156 B CN107877156 B CN 107877156B CN 201710991261 A CN201710991261 A CN 201710991261A CN 107877156 B CN107877156 B CN 107877156B
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- valve seat
- cylinder head
- cylinder cover
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- 230000007246 mechanism Effects 0.000 claims abstract description 96
- 230000003028 elevating effect Effects 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000007306 turnover Effects 0.000 claims abstract description 16
- 230000001360 synchronised effect Effects 0.000 claims description 28
- 238000009826 distribution Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
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- 238000011065 in-situ storage Methods 0.000 claims 1
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- 230000033001 locomotion Effects 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000013519 translation Methods 0.000 description 4
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- 230000002146 bilateral effect Effects 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 3
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- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000001419 dependent effect Effects 0.000 description 1
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- 238000007373 indentation Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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Abstract
The present invention discloses in a kind of diesel engine automatic assembling production field for installing the automatic assembling machine and assembly method of diesel engine cylinder cover valve seat valve rod, there is elevating mechanism above transmission device, elevating mechanism has the hoistable platform of left and right horizontal, hoistable platform connects clamp system, left and right two parts of clamp system are arranged symmetrically in the left and right sides of cylinder head, one turnover mechanism and valve rod drop preventing mechanism are respectively housed on clamp system or so two parts, the middle connection of elevating mechanism is located at the valve seat assemble mechanism right above cylinder head, pass through clamp system, turnover mechanism, the cooperative movement of elevating mechanism realizes the lifting and overturning automation of cylinder of diesel engine, it ensure that valve rod is not fallen off in switching process by valve rod drop preventing mechanism, realize that 4 valve seats disposably assemble by valve seat assemble mechanism, production efficiency is greatly improved, improve production Line automation degree reduces manually to the interference of production process, realizes the Automated assembly of diesel engine cylinder cover valve seat valve rod on production line.
Description
Technical field
The present invention relates to diesel engine automatic assembling production fields, and especially installation diesel engine cylinder cover valve seat valve rod is automatic
Assembly machine.
Background technique
In the mass automatic production of diesel engine, the automatic assembling technique of the valve seat valve rod of cylinder head is essential
, the manpower that can be reduced in production process participates in, and mitigates the labor intensity of worker, improves production efficiency, assembling quality and complete machine
Performance.
The structure of cylinder cover for diesel engine shown in referring to Figures 1 and 2,14 intermediate distribution of cylinder head bottom surface of cylinder head 14
The cylinder cover valve seat mounting hole 16 of a perforation moved towards up and down, 14 four corners of cylinder head bottom surface are cylinder head bores up and down
13,4 cylindrical side wall valve ports 15 outwardly protruded are respectively dispersed in the left and right sidewall of cylinder head 1, and in left and right sidewall
The bilateral symmetry of side wall valve port 15, the central axis of the central axis and cylinder cover valve seat mounting hole 16 of side wall valve port 15 is mutually perpendicular to.4
A identical cylinder cover valve seat 12 is all annular shape, and tight fit is mounted in cylinder cover valve seat mounting hole 16.4 identical gas
Cylinder cap valve rod 11 is all horn-like cylindrical body, and upper section is thin bar head, and the upper side pole wall of thin bar head is equipped with annular groove, under
Section is thick bar head.The upper section thin bar head of cylinder head valve rod 11 is from bottom to top also cross cylinder cover valve seat 12, cylinder head valves
It protrudes after seat mounting hole 16 in the top of cylinder cap upper surface 17.The lower section thick bar head of cylinder head valve rod 11 after being installed
Annular groove part on the lower section of bottom surface 14, thin bar head is in the top of cylinder cap upper surface 17.
Currently, in the assembling process of the mass automatic production of diesel engine, cylinder cover valve seat 12 and cylinder head valve rod 11
Assembly be still completely dependent on manual assembly, by the way that manually first cylinder head 1 is removed in production line, then manually overturning 180 degree,
By manually by the indentation cylinder cover valve seat mounting hole 16 of cylinder cover valve seat 12, then turning over and turning 90 degrees by cylinder head 1 on bottom surface 14,
It is artificial to be packed into cylinder head valve rod 11, valve rod is finally clamped, then cylinder head 1 is turned over to turn 90 degrees it is made to go back to original position.This assembly
Method fully relies on manual operation, and production efficiency is low, and assembling quality not can guarantee.
Summary of the invention
The purpose of the invention is to overcome completely artificial in conventional diesel engine cylinder cover valve seat valve rod assembling process participate in
The drawbacks of, propose it is a kind of for installing the automatic assembling machine and assembly method of diesel engine cylinder cover valve seat valve rod,
The degree of automation in diesel engine cylinder cover valve seat valve rod assembling process is improved, assembling quality and efficiency are improved, is realized
Automated assembly.
It is of the present invention for install diesel engine cylinder cover valve seat valve rod automatic assembling machine the technical solution adopted is that:
It is the transmission device of anterior-posterior horizontal arrangement below automatic assembling machine, transmission device, there is elevating mechanism in top, elevating mechanism, tool
Have a hoistable platform of left and right horizontal, hoistable platform connects clamp system, clamp system, left and right two parts be arranged symmetrically in gas
Cylinder cap, the left and right sides, on clamp system, left and right two parts respectively be equipped with a turnover mechanism and valve rod drop preventing mechanism, lifting
The middle connection of mechanism is located at the valve seat assemble mechanism right above cylinder head；The clamp system includes clamping motor, double
To lead screw, clamp disk and clamp arm, the coaxially connected clamping motor of right end of the two-way lead screw of left and right horizontal arrangement, two-way lead screw
It is coaxially cased with left side nut outside left section, is coaxially cased with right side nut, the thread rotary orientation phase of left side nut and right side nut outside right section
Instead, left side nut is respectively fixedly connected with about one vertical clamp arm through a clamping sliding platform with the lower end of right side nut；
The turnover mechanism include the horizontally disposed synchronous overturning motor of two of left and right sides, two flip-arms, two synchronous belts and
Two overturning belt wheels, a synchronous overturning motor are fixedly connected on the clamp arm of same side, and synchronous overturning motor output shaft is same
Overturning belt wheel above axis connection, top overturning the synchronized band connection of belt wheel below another overturning belt wheel, lower section it is another
One overturning belt wheel is connected to the lower end of clamp arm and the outer end of coaxially connected flip-arm, and the inner end of a flip-arm connects one
Clamp disk；It is each clamp disk top connect a valve rod drop preventing mechanism, each valve rod drop preventing mechanism include pushing motor,
Pushing plate, travelling arm and clamping clip, pushing motor left and right horizontal arrangement, output shaft are fixedly connected with pushing plate, pushing plate lower end
It is fixedly connected with the outer end of travelling arm, the inner end of travelling arm is all connected with one group of clamping clip；Valve seat assemble mechanism includes by Medium-voltage Motor, even
Device is connect, by pressure rack, electromagnetism valve rod and guide post, by the output shaft coaxially connected connector vertically downward of Medium-voltage Motor, under connector
End is through pressing pressure rack Motionless electromagnetic valve rod.
What the assembly method of the present invention for installing the automatic assembling machine of diesel engine cylinder cover valve seat valve rod used
Technical solution be the following steps are included:
A, the bottom surface of cylinder head is seated on transmission device, and cylinder cap upper surface is above；Clamping motor rotates in the forward direction,
Two clamp arms and cylinder head clamping are driven, pinching action is completed；
B, elevating mechanism works, and clamp system is driven to be moved upwards up to setting position, and two synchronous overturning motors work,
It drives clamping disk and cylinder head to turn clockwise 180 degree, so that cylinder cap upper surface has been gone to bottom, the bottom surface of cylinder head is gone to
The top；
C, it is rotated in the forward direction by Medium-voltage Motor, drives the electromagnetism valve rod for being adsorbed with cylinder cover valve seat to move downward, by 4 cylinder head
Valve seat presses fill in 4 cylinder cover valve seat mounting holes of bottom surface simultaneously；Then the power-off of electromagnetism valve rod is detached from cylinder cover valve seat；
It is reversely rotated by Medium-voltage Motor, band moving electromagnetic valve column moves upward to original position；
D, two synchronous overturning motors work at the same time, and cylinder head is turned counterclockwise 90 degree, goes to the bottom surface of cylinder head
Foremost, cylinder cap upper surface are gone to backmost；
E, by 4 cylinder head valve rods pass through cylinder cap valve seat mounting hole, the thin bar head of cylinder head valve rod backwards, pushing motor
Work, makes the thin bar head of clamping clip gripper cylinder lid valve rod；So latter two synchronizes overturning motor work, drives and clamps the disk inverse time
Needle, which turns over, to be turn 90 degrees, and cylinder head is made to rotate back into original position；Elevating mechanism work, drives clamp system and cylinder head to drop downwardly to original position；
Pushing motor work, discharges clamping clip.
The beneficial effect embodied afterwards by adopting the above technical scheme is: the present invention passes through clamp system, turnover mechanism, lifting
The cooperative movement of mechanism realizes the lifting and overturning automation of cylinder of diesel engine, ensure that switching process by valve rod drop preventing mechanism
Middle valve rod is not fallen off, and 4 valve seats may be implemented by valve seat assemble mechanism and disposably assemble, greatly increase the production efficiency,
Production line automation degree is improved, the interference manually to production process is reduced, realizes cylinder cover for diesel engine valve on production line
The Automated assembly of seat valve bar.
Detailed description of the invention
Fig. 1 is the structure of cylinder cover for diesel engine and the assembling structure perspective view of valve seat, valve rod；
Fig. 2 is the vertical view shaft side figure of Fig. 1；
Fig. 3 is the overall structure diagram of automatic assembling machine of the present invention for installing diesel engine cylinder cover valve seat valve rod；
Fig. 4 is the working state schematic representation of transmission device 2 in Fig. 3；
Fig. 5 is the stereochemical structure enlarged drawing of elevating mechanism in Fig. 3；
Fig. 6 is the right view of the elevating mechanism in Fig. 5；
Fig. 7 is the stereochemical structure enlarged drawing of clamp system 4 and turnover mechanism 5 in Fig. 3；
Fig. 8 is the main view of Fig. 7；
Fig. 9 is the stereochemical structure enlarged diagram of 6 right half of valve rod drop preventing mechanism in Fig. 7；
Figure 10 is the stereochemical structure enlarged diagram of valve seat assemble mechanism 7 in Fig. 3；
Figure 11 is the assembled state schematic diagram of automatic assembling machine shown in Fig. 3；
Figure 12 is cylinder head valves after cylinder cover for diesel engine is overturn 90 ° by the turnover mechanism 5 of automatic assembling machine shown in Fig. 3
The relative positional relationship schematic diagram of bar 11 and valve rod drop preventing mechanism 6.
In figure: 1. cylinder head；11. cylinder head valve rod；12. cylinder cover valve seat；13. cylinder head bore；14. cylinder head bottom
Face；15. cylinder head side wall valve port；16. cylinder cover valve seat mounting hole；17. cylinder cap upper surface；
2. transmission device；21. working plate；22. position sensor；23. delivery roller；24. conveyer frames；
3. elevating mechanism；31. hoistable platform；32. riser guide；33. motor support frame；34. lifting motor；35. lifting
Screw rod；36. lifting nut；38. guide rail slide block；
4. clamp system；41. clamping motor；42. motor supporting base；43. sliding block；44. clamping disk；45. clamp arm；46.
Lead screw support base；47. left side nut；48. two-way lead screw；49 clamp slide rail；410. clamp sliding platform；411. right side spiral shells
It is female；412. clamp disk circular groove；
5. turnover mechanism；51. synchronous overturning motor；52. motor support frame；53. flip-arm；54. synchronous belt；55. overturning
Belt wheel；
6. valve rod drop preventing mechanism；61. pushing motor；62. connecting plate；63. pushing plate；64. travelling arm；65. clamping clip；
66. clamping platform；
7. valve seat assemble mechanism；71. pressing Medium-voltage Motor；72. motor support frame；73. pressing pressure rack；74. guide post；75. electromagnetism
Valve rod；76. connector；
8. rack；81. rack support column；82. framework platform.
Specific embodiment
Referring to Fig. 3, it is transmission dress below the automatic assembling machine of diesel engine cylinder cover valve seat valve rod that the present invention, which is used to install,
2 are set, transmission device 2 is in front and back transmission state and is horizontally arranged on the ground.Cylinder cover for diesel engine 1 is placed on transmission device 2,
It can front and back conveying cylinder lid 1.It is rack 8 in the left and right sides of transmission device 2, rack 8 is in cuboid, and bottom end fixes on the ground,
Across the left and right sides in transmission device 2 and relative to 2 bilateral symmetry of transmission device.It is equipped with to walk up and down in the inside of rack 8
To elevating mechanism 3, elevating mechanism 3 is in the top of transmission device 2, positioned at the upper of 2 upper cylinder lid of transmission device, 1 processing stations
Side, elevating mechanism 3 can upper and lower translations along the vertical direction.A clamp system 4 is connected on elevating mechanism 3, clamp system 4 is presented
Lower trend and left and right two parts are arranged symmetrically, left and right two parts of clamp system 4 in the left and right sides of 1 processing stations of cylinder head,
Cylinder head 1 on transmission device 2 can be realized and be clamped.One turnover mechanism 5 is respectively installed in 4 or so two parts of clamp system,
The valve rod drop preventing mechanism 6 of one or so trend, two anti-lost machines of valve rod are installed respectively in the two-part inside of clamp system 4 or so
Structure 6 is above the left and right sides of 1 processing stations of cylinder head.The middle connecting valve seat assemble mechanism 7 of elevating mechanism 3, valve seat assembly
Mechanism 7 is located at the surface of 1 processing stations of cylinder head.
Referring to fig. 4, transmission device 2 includes working plate 21, position sensor 22, delivery roller 23 and conveyer frames 24.Most bottom
Portion is in the conveyer frames 24 of front and back distribution, and 24 upper surface of conveyer frames is equipped with delivery roller 23, there is rectangular storing on delivery roller 23
The working plate 21 of shape, the plate face diagonal angle of working plate 21 is fixed there are two pin shaft vertically upward, the two pin shafts respectively with Fig. 1
In cylinder head 1 diagonal angle two cylinder head bores 13 correspondence match, for positioning of the cylinder head 1 on working plate 21.
In the corresponding position installation site sensor 22 of conveyer frames 24, the processing of front end whether is moved to for detecting cylinder head 1
At station.When original state, working plate 21 is located at the back-end location of conveyer frames 24, is lifted cylinder head 1 to tooling by suspender
On plate 21, working plate 21 is loaded with cylinder head 1 and can travel forward at this time, until position sensor 22 detects just stop motion,
Cylinder head 1 is in the processing work state of assembly at this time, and after completing assembly work, working plate 21 moves to initial bit backward again
It sets.
Referring to figs. 5 and 6, elevating mechanism 3 is installed in the inside of rack 8.Rack 8 by downward vertical rack support column 81
With the fixed splicing composition of framework platform 81 of upper horizontal.Elevating mechanism 3 includes that a horizontal hoistable platform 31 and two are hung down
Straight riser guide 32, hoistable platform 31 are located at the surface of 1 processing stations of cylinder head, and two vertical riser guides 32 are distinguished
It is fixedly mounted in the left and right sidewall of 8 inside of rack, the left and right end of hoistable platform 31 is respectively fixedly connected with a guide rail slide block 38, leads
Rail sliding block 38 is matched with riser guide 32, and hoistable platform 31 is enable to vertically move along about 32 riser guide.Hoistable platform 31
Left and right end a lifting motor 34 is respectively connected by leading screw and nut mechanism respectively, leading screw and nut mechanism is by lifting nut 36
It is formed with elevating screw 35, two identical lifting motors 34 are arranged vertically and are fixed in rack 8, two lifting motors 34
Output shaft is respectively fixedly and coaxially connected the upper end of an elevating screw 35, the lower end of an elevating screw 35 and a lifting nut 36
It matches.Two lifting nuts 36 are fixedly connected with hoistable platform 31, be respectively fixedly connected in hoistable platform 31 left end and
Right end.When elevating mechanism 3 works, 34 positive and negative rotation of lifting motor drives 35 positive and negative rotation of elevating screw, is driven by liter lifting nut 36
The riser guide 32 that hoistable platform 31 and guide rail slide block 38 vertically move towards moves up and down.
Referring to figs. 7 and 8, a clamp system 4 is connected on the hoistable platform 31 of elevating mechanism 3.Clamp system 4 includes folder
Tight motor 41, two-way lead screw 48 clamp disk 44 and clamp arm 45 etc., and it is flat to be located at lifting for two-way 48 left and right horizontal of lead screw arrangement
31 top middle of platform, it is parallel with hoistable platform 31.The coaxially connected clamping motor 41 of the right end of two-way lead screw 48, clamping motor 41
It is fixed on 31 upper surface of hoistable platform through motor supporting base 42.The left end of two-way lead screw 48 is fixed on by lead screw support base 46
On 31 upper surface of hoistable platform.It is coaxially cased with left side nut 47 outside left section of two-way lead screw 48, is coaxially cased with right side spiral shell outside right section
Mother 411, left side nut 47 is opposite with the rotation direction of thread in the threaded hole of right side nut 411.Left side nut 47 and right side spiral shell
The lower end of mother 411 is respectively fixedly connected with a horizontally disposed clamping sliding platform 410, each following table for clamping sliding platform 410
Face passes through the connection of sliding block 43 and clamps slide rail 49, and clamping slide rail 49 is located on the upper surface of hoistable platform 31 and left and right
It is horizontally disposed.Respectively there are two slide rail 49 is clamped, the two clamp 49 knot of slide rail for each 410 lower section of clamping sliding platform
Structure is identical, is distributed at the front-rear position for clamping 410 lower section of sliding platform.Each lower surface for clamping sliding platform 410 is each solid
Surely about one vertical clamp arm 45 is connected, clamp arm 45 prolongs downward vertically after the corresponding square hole on hoistable platform 31
It stretches.
Turnover mechanism 5 is connected on clamp system 4, turnover mechanism 5 includes two synchronous overturning motors 51, two of left and right sides
53, two synchronous belts 54 of a flip-arm and two overturning belt wheels 55.Wherein, two synchronous overturning motors 51 are horizontally disposed, and one
A synchronous overturning motor 51 is fixedly connected on the clamp arm 45 of same side by motor support frame 52, synchronous overturning 51, motor
In the outside of clamp arm 45.The overturning belt wheel 55 of the coaxially connected top of output shaft of synchronous overturning motor 51, the overturning band of top
Take turns another overturning belt wheel 55 of the 55 synchronized connection of band 54 lower sections.The overturning belt wheel 55 of upper and lower is connected by bearing and is clamped
Arm 45, another overturning belt wheel 55 of lower section are connected to the lower end of clamp arm 45.Another overturning belt wheel 55 of lower section coaxially connects
The outer end of flip-arm 53 is connect, the inner end of a flip-arm 53 connects a clamping disk 44, two 53 bilateral symmetries of flip-arm, overturning
Arm 53 can drive clamping disk 44 to make rotating motion.Clamp the inside that disk 44 is located at 45 lower end of clamp arm, two identical clampings
Disk 44 is arranged symmetrically face-to-face.It is located between two clamping disks 44 in the cylinder head 1 of processing work state.It is clamping in disk 44
4 horizontal clamping disk circular grooves 412, this 4 clamping disk circular grooves 412 and 1 side wall of cylinder cover for diesel engine are provided on end
The upper 4 cylindrical side wall valve ports 15 outwardly protruded match, can clamping cylinder head 1.
When clamp system 4 works, clamping motor 41 is rotated, by driving two-way lead screw 48 to drive left side nut 47 and right side
Nut 411 is opposite simultaneously or backwards to movement, drives two clamping sliding platforms 410 and corresponding clamp arm 45, clamps disk 44
It is opposite simultaneously or mobile backwards.After two clamping disks 44 move towards, make to clamp the clamping disk circular groove 412 on disk 44
Cylindrical side wall valve port 15 in final clamping cylinder head 1 realizes clamping to cylinder head 1 between two clamping disks 44 is located at.When
Two clamping disks 44 discharge cylinder head 1 after movement.When clamping sliding platform 410 moves left and right, clamp arm 45 is driven
It moves left and right simultaneously, the size of the square hole on hoistable platform 31 will be such that clamp arm 45 does not touch when moving left and right with hoistable platform 31
It hits and does not interfere.
After clamp system 4 is completed to clamp, i.e., it is round to clamp 4 clamping disks on disk 44 for the left and right sides of clamp system 4
4 cylindrical side wall valve ports 15 that groove 412 and cylinder cover for diesel engine 1 or so are distributed fit like a glove after final clamping, clamp disk
44 are completely fixed together with cylinder head 1, and two synchronous overturning motors 51 work at this time, and overturning belt wheel 5 and flip-arm 5 is driven to revolve
Turn, drive two clamping disk 44 rotations, two clamping disks 44 hold cylinder head 1 and make rotating motion, and realize turning over for cylinder head 1
Turn.
Referring to Fig. 9, a valve rod drop preventing mechanism 6 is connected in each top for clamping disk 44, two valve rod drop preventing mechanisms 6 are left
The right side is arranged symmetrically in the top of 1 processing stations of cylinder head.Each valve rod drop preventing mechanism 6 include pushing motor 61, pushing plate 63,
Travelling arm 64, clamping clip 65.61 left and right horizontal of pushing motor arrangement is fixed on by connecting plate 62 and clamps 44 upper end of disk, connection
Plate 62 is also connected with horizontally disposed clamping platform 66, and clamping platform 66 extends to 1 processing stations direction of middle cylinders lid.It clamps flat
There are pushing plate 63 and travelling arm 64 above platform 66.The output shaft of pushing motor 61 is fixedly connected with pushing plate 63, and pushing plate 63 can be with
The left and right translation under the promotion of pushing motor 61.63 lower end of pushing plate is threadably secured the travelling arm 64 of 2 groups of strips of connection
Outer end, arrange before and after the travelling arm 64 of 2 groups of strips, the inner end of every group of travelling arm 64 is all connected with one group of clamping clip 65, clamps
Pincers 65 are commercially available part.Two groups of clamping clips 65 are symmetrically arranged, and travelling arm 64 can pushed due to being fixedly connected with pushing plate 63
Plate 63 drives lower or so translation.The upper side pole of the thin bar head of the cylinder head valve rod 11 of the inner end shape and diesel engine of clamping clip 65
The annular groove that wall is equipped with is tangent, so that the cylinder head valve rod 11 to diesel engine clamps.2 groups of clamping clips 65 just correspond to
Mounted 4 cylinder cover for diesel engine valve rods 11 on cylinder cover for diesel engine 1.When cylinder head 1 is overturn, clamping clip 65 clamps gas
Cylinder cap valve rod 11, prevents it from falling off.When work, after cylinder cover for diesel engine 1 installs 4 cylinder cover for diesel engine valve rods 11,4
Cylinder cover for diesel engine valve rod 11 passes through cylinder cover valve seat mounting hole 16 and stretches out from the cylinder cover upper planar surface 17 of cylinder cover for diesel engine 1
Afterwards, the pushing motor 61 of valve rod drop preventing mechanism 6 works, and pushing plate 63 is driven to translate to intermediate piece direction, and clamping clip 65 is close
Intermediate piece does clamping movement, and final every group of clamping clip 65 clamps cylinder cover for diesel engine valve rod 11.
Referring to Figure 10, the middle of the hoistable platform 31 of elevating mechanism 3 is fixedly connected with a valve seat assemble mechanism 7, valve seat
Assemble mechanism 7 extends to the surface of 1 processing stations of cylinder head vertically downward.Valve seat assemble mechanism 7 includes by Medium-voltage Motor 71, even
Connect device 76, by pressure rack 73, electromagnetism valve rod 75 and guide post 74.It is vertically fixedly mounted on by Medium-voltage Motor 71 by motor support frame 72
On hoistable platform 31, by the output shaft of Medium-voltage Motor 71 columned connector 76 coaxially connected vertically downward, connector 76 passes through
Internal mechanism will be converted to upper and lower translational motion by the rotary motion of Medium-voltage Motor 71, and 76 lower end of connector passes through solid by pressure rack 73
Surely 4 identical electromagnetism valve rods 75 are connected, electromagnetism valve rod 75 can be attracted the cylinder cover valve seat 12 of diesel engine.4 electromagnetism valve rods
75 is arranged side by side two-by-two, the location arrangements spacing of electromagnetism valve rod 75 and the 16 position cloth of cylinder cover valve seat mounting hole of cylinder cover for diesel engine 1
Set it is identical, it is convenient simultaneously by 12 integral installation of cylinder cover valve seat of 4 diesel engines into cylinder cover valve seat mounting hole 16.4
A 75 lower surface of electromagnetism valve rod is connected with columned guide post 74, and guide post 74 is slightly less than in trend, outside diameter up and down
12 diameter of bore of diesel engine cylinder cover valve seat, 12 inner hole of diesel engine cylinder cover valve seat can pass through guide post 74, under electromagnetic action,
The upper surface of cylinder cover valve seat 12 can be absorbed and fixed at together with 75 lower surface of electromagnetism valve rod.
When valve seat assemble mechanism 7 works, rotates in the forward direction by the work of Medium-voltage Motor 71, converted rotary motion by connector 76
For downward translational motion, the electromagnetism valve rod 75 for having adsorbed cylinder cover valve seat 12 is moved downward, and 4 cylinder cover valve seats 12 are pressed simultaneously
Tamponade enters in 4 cylinder cover valve seat mounting holes 16 of cylinder head 1, and then electromagnetism valve rod 75 powers off demagnetization, electromagnetism valve rod 75 and gas
Cylinder cap valve seat 12 is detached from, and cylinder cover valve seat 12 is installed in cylinder cover valve seat mounting hole 16, then anti-by Medium-voltage Motor 71
To rotation, electromagnetism valve rod 75, which moves upwards, restores origin-location, and then electromagnetism valve rod 75 is re-energised, manually again by 4 cylinders
Lid valve seat 12 passes through guide post 74 and places 75 lower surface of electromagnetism valve rod, adsorbs fixed cylinder cover valve seat 12 by electromagnetic action, is
The assembly of cylinder cover valve seat mounting hole 16 of next cylinder cover for diesel engine 1 is ready.
Diesel engine cylinder cover valve seat is specifically completed according to the following steps when automatic assembling machine of the present invention works referring to Fig. 1-10
The automatic assembling of valve rod:
Step 1: working plate 21 is located at the rear end of conveyer frames 24 when initial position, cylinder head 1 is lifted extremely by suspender
On working plate 21, above, the bottom surface 14 of cylinder head 1 is seated on working plate 21 the cylinder cap upper surface 17 of cylinder head 1 at this time,
Working plate 21 is loaded with cylinder head 1 and travels forward, until stop motion at the detection of position sensor 22, at this time at cylinder head 1
In the working condition of process and assemble.
Step 2: elevating mechanism 3 works, control lifting motor 34 is rotated forward, and the elevating screw 35 moved towards up and down is driven to rotate forward,
Lifting nut 36 drives hoistable platform 31 to move to setting position downwards.
Step 3: the work of clamping motor 41 of clamp system 4 rotates in the forward direction movement, two-way lead screw 48 is driven to do rotation fortune
It is dynamic, because left side nut 47 is contrary with the internal screw thread of right side nut 411, when clamping motor 41 drives two-way lead screw 48 to rotate forward
When left side nut 47 drive the clamping sliding platform 410 of lower section to move right, right side nut 411 drives the clamping sliding of lower section flat
Platform 410 is moved to the left, so that 1 workpiece of cylinder head of two centres close to each other of clamp arm 45 be driven to do clamping movement, left and right two
The clamping disk 44 of side is constantly close to middle cylinders lid 1, until upper 4 circular grooves 412 and cylinder of the two clamping disks 44 in left and right
The cylinder head side wall valve ports 15 for 4 protrusions that lid 1 or so is distributed fit like a glove final clamping, complete pinching action.
Step 4: elevating mechanism 3 works, control lifting motor 34 is inverted, and the drive of elevating mechanism 3 holds cylinder head 1
Clamp system 4 is moved upwards up to setting position, at this point, clamp system 4 continues to hold cylinder head 1.
Step 5: the synchronous overturning motor 51 of two of turnover mechanism 5 works, synchronous overturning motor 51 is through overturning 55 He of belt wheel
Synchronous belt 54 drives flip-arm 5 to make clockwise rotation, so that driving clamping disk 44 to hold cylinder head 1 does clockwise 180
Degree overturning, makes cylinder cap upper surface 17 go to bottom, and cylinder head bottom surface 14 has been gone to topmost.It is mounted on clamping disk simultaneously
The valve rod drop preventing mechanism 6 of 44 upper ends, which also follows, clamps the realization 180 degree overturning of disk 44, originally the valve above cylinder cover upper planar surface 17
Bar drop preventing mechanism 6 follows clamping disk 44 to be turned to lower section, the lower section of the cylinder cap upper surface 17 after overturning.
Step 6: valve seat assemble mechanism 7 works referring to Figure 11, rotated in the forward direction by Medium-voltage Motor 71, drive is adsorbed with cylinder head
The electromagnetism valve rod 75 of valve seat 12 moves downward, and 4 cylinder cover valve seats 12 are pressed to the cylinder head for filling in cylinder cover for diesel engine 1 simultaneously
In 4 cylinder cover valve seat mounting holes 16 of bottom surface 14, then electromagnetism valve rod 75 powers off demagnetization, electromagnetism valve rod 75 and cylinder of diesel engine
Lid valve seat 12 is detached from, because the outside diameter of guide post 74 is slightly less than 12 diameter of bore of diesel engine cylinder cover valve seat,
When 12 outer wall of diesel engine cylinder cover valve seat and 16 inner hole wall of cylinder cover valve seat mounting hole are interference fitted, diesel engine cylinder cover valve seat 12
Internal diameter and 74 outer wall clearance fit of guide post, electromagnetism valve rod 75 powers off demagnetization electromagnetism valve rod 75 and diesel engine cylinder cover valve seat 12 is de-
From rear, diesel engine cylinder cover valve seat 12 and entire valve seat assemble mechanism 7 are detached from, so that diesel engine cylinder cover valve seat 12 be installed
Into cylinder cover valve seat mounting hole 16.Later, it is reversely rotated by Medium-voltage Motor 71, band moving electromagnetic valve column 75 moves upward to original position.
Then electromagnetism valve rod 75 is re-energised, and 4 cylinder cover valve seats 12 are manually passed through guide post 74 again and place 75 following table of electromagnetism valve rod
Face is adsorbed by electromagnetic action and is fixed, and carries out standard for the assembly of cylinder cover valve seat mounting hole 16 of next cylinder cover for diesel engine 1
It is standby.
Step 7: turnover mechanism 5 works, two synchronous overturning motors 51 are worked at the same time, by cylinder head 1 in the trend of left and right
Axis is that rotation center does 90 degree counterclockwise and overturns, original cylinder head bottom surface 14 is made to have gone to foremost, originally cylinder head 1
Cylinder cover upper planar surface 17 has been gone to backmost.Meanwhile valve rod drop preventing mechanism 6 follows clamping disk 44 also to do 90 degree of overturnings counterclockwise,
It has gone to backmost, has kept plumbness with horizontal plane.
Step 8: manually taking 4 cylinder cover for diesel engine valve rods 11, each cylinder cover for diesel engine valve rod 11 is moved towards in front and back
Cylinder cover valve seat mounting hole 16 in the Primordial Qi cylinder cover bottom surface 14 for having rotated to front, horn-like cylinder of diesel engine
11 thin bar head of lid valve rod passes through the cylinder cover valve seat mounting hole 16 for installing cylinder cover valve seat 12 backwards, subsequent rotating to
17 extension length of plane in cylinder head original, the thick bar bar tail lower surface of cylinder head valve rod 11 and is mounted on and rotates to positive front
Primordial Qi cylinder cover bottom surface 14 on diesel engine cylinder cover valve seat 12 front surface contact, the front and back of cylinder cover for diesel engine valve rod 11 at this time
Trend can freely slide front and back in cylinder cover valve seat mounting hole 16.
Step 9: moving towards to wear before and after 4 cylinder cover for diesel engine valve rods 11 after installing 4 cylinder cover for diesel engine valve rods 11
Cross cylinder cover valve seat mounting hole 16, the thin bar head of cylinder cover for diesel engine valve rod 11 is from rotating to subsequent cylinder cover for diesel engine 1
Cylinder cover upper planar surface 17 stretch out, wherein cylinder head valve rod 11, cylinder cover for diesel engine 1,6 relative positional relationship of valve rod drop preventing mechanism
Referring to Fig.1 shown in 2.At this point, the pushing motor 61 of valve rod drop preventing mechanism 6 works, pushing motor 61 drives pushing plate 63 and sliding
Arm 64 is translated to intermediate 1 workpiece direction of cylinder head, and clamping clip 65 is made to do clamping movement close to cylinder head, final every group of clamping clip
65 form clamping, the thin bar bar of this partial cylinders lid valve rod 11 with round tangent contact of the groove of 11 thin bar head of cylinder head valve rod
Head is the part cylinder cover for diesel engine valve rod 11 for rotating to subsequent original cylinder cover upper planar surface 17 and stretching out, after completing clamping, this
When 4 front and back move towards cylinder cover for diesel engine valve rod 11 cannot in cylinder cover valve seat mounting hole 16 front and back freely slide, avoid
Cylinder head valve rod 11 falls off along the sliding of cylinder cover valve seat mounting hole 16 when overturning workpiece.
Step 10: turnover mechanism 5 works, two synchronous overturning motors 51 work, and do counter-clockwise rotary motion, drive and clamp
Disk 44 does 90 degree of overturnings counterclockwise, and that realizes cylinder head 1 turns counterclockwise movement, makes the cylinder head bottom surface for having gone to foremost
14 have rotated back into original position, while valve rod drop preventing mechanism 6 follows and clamps the overturning of disk 44, has gone to rearmost cylinder head
1 cylinder head bottom surface 14 has gone to original position, and is mounted on the valve rod drop preventing mechanism 6 of 17 top of cylinder cap upper surface originally
It follows clamping disk 44 to do 90 degree of overturnings counterclockwise, has gone to the original position of the top).Meanwhile the clamping of valve rod drop preventing mechanism 6
The groove circle of 11 thin bar head of cylinder head valve rod also does 90 degree of overturnings counterclockwise, originally moves towards in front and back across cylinder cover valve seat
The cylinder head valve rod 11 of mounting hole 16 switchs to thin bar head and upward, thick bar head moving towards under up and down passes through cylinder cover valve seat
Mounting hole 16, i.e., state shown in FIG. 1.
Step 11: elevating mechanism 3 works, control lifting motor 34 is rotated forward, and makes the clamp system 4 that hold cylinder head 1
Drop downwardly to home position.
Step 12: valve rod drop preventing mechanism 6 works, pushing motor 61 drives pushing plate 63 to be displaced outwardly, i.e., to far from gas
The translation of 1 direction of cylinder cap, clamping clip 65 do released movement, final every group of clamping clip 65 release disengaging cylinder head valve rod 11, and 4 at this time
The bottom of the cylinder head valve rod 11 moved towards up and down is contacted with the working plate 21 of transmission device 2, in 1 weight of cylinder cover for diesel engine
Under effect, cylinder head valve rod 11 cannot freely up and down slide in cylinder cover valve seat mounting hole 16, complete installation.
Step 13: transmission device 2 works, working plate 21 is loaded with the cylinder head 1 that assembly is completed and can travel forward, under preparation
The assembly work of one cylinder head 1.
Claims (8)
1. a kind of for installing the automatic assembling machine of diesel engine cylinder cover valve seat valve rod, lower section is the transmission dress of anterior-posterior horizontal arrangement
(2) are set, it is characterized in that: having elevating mechanism (3) above transmission device (2), elevating mechanism (3) has the hoistable platform of left and right horizontal
(31), hoistable platform (31) connection clamp system (4), left and right two parts of clamp system (4) are arranged symmetrically in cylinder head (1)
The left and right sides is respectively equipped with a turnover mechanism (5) and valve rod drop preventing mechanism (6), lifting on the two parts of clamp system (4) left and right
The middle connection of mechanism (3) is located at the valve seat assemble mechanism (7) right above cylinder head (1)；The clamp system (4) includes
Clamping motor (41), two-way lead screw (48) clamp disk (44) and clamp arm (45), the two-way lead screw (48) of left and right horizontal arrangement
The coaxially connected clamping motor of right end (41) is coaxially cased with left side nut (47), coaxial outside right section outside left section of two-way lead screw (48)
The thread rotary orientation of nut (411) on the right side of being cased with, left side nut (47) and right side nut (411) is on the contrary, left side nut (47) and the right side
The lower end of side nut (411) is respectively fixedly connected with about one vertical clamp arm (45) through clamping sliding platform (410)；Institute
The turnover mechanism (5) stated includes two of left and right sides horizontally disposed synchronous overturning motor (51), two flip-arms (53), two
Synchronous belt (54) and two overturning belt wheels (55), synchronous overturning motor (51) are fixedly connected on the clamp arm (45) of same side
On, the overturning belt wheel (55) of the coaxially connected top of output shaft of synchronous overturning motor (51), the overturning belt wheel (55) of top is through same
Another overturning belt wheel (55) of another overturning belt wheel (55) of step band (54) connection lower section, lower section is connected to clamp arm (45)
Lower end and coaxially connected flip-arm (53) outer end, the inner end of flip-arm (53) connects a clamping disk (44)；Every
A top for clamping disk (44) connects a valve rod drop preventing mechanism (6), and each valve rod drop preventing mechanism (6) includes pushing motor
(61), pushing plate (63), travelling arm (64) and clamping clip (65), pushing motor (61) left and right horizontal arrangement, output shaft are fixed
It connects pushing plate (63), pushing plate (63) lower end is fixedly connected with the outer end of travelling arm (64), and the inner end of travelling arm (64) is all connected with
One group of clamping clip (65)；Valve seat assemble mechanism (7) includes by Medium-voltage Motor (71), connector (76), presses pressure rack (73), electromagnetism valve rod
(75) and guide post (74), by the output shaft of Medium-voltage Motor (71) coaxially connected connector (76) vertically downward, under connector (76)
Pressure rack (73) Motionless electromagnetic valve rod (75) is pressed at end, and electromagnetism valve rod (75) lower surface connects guide post (74).
2. it is according to claim 1 for installing the automatic assembling machine of diesel engine cylinder cover valve seat valve rod, it is characterized in that: passing
The bottommost for sending device (2) is in the conveyer frames (24) of front and back distribution, and conveyer frames (24) upper surface is equipped with delivery roller (23), passes
Sending to put on idler wheel (23) has working plate (21), the pin shaft that there are two the plate face diagonal angles of working plate (21) vertically upward, and two
Pin shaft is corresponding with two cylinder head bore (13) of the diagonal angle of cylinder head (1) respectively to be matched.
3. it is according to claim 1 for installing the automatic assembling machine of diesel engine cylinder cover valve seat valve rod, it is characterized in that: rising
Descending mechanism (3) includes a horizontal hoistable platform (31) and two vertical riser guides (32), and hoistable platform (31) is located at
The surface of cylinder head (1) processing stations, the left and right end of hoistable platform (31) are respectively fixedly connected with a guide rail slide block (38), guide rail
Sliding block (38) is matched with vertical riser guide (32), and the left and right end of hoistable platform (31) respectively passes through a feed screw nut respectively
Mechanism connects a lifting motor (34).
4. it is according to claim 1 for installing the automatic assembling machine of diesel engine cylinder cover valve seat valve rod, it is characterized in that: institute
The clamping sliding platform (410) stated is horizontally disposed, and lower surface passes through sliding block (43) connection and clamps slide rail (49), clamps
Slide rail (49) is located on the upper surface of hoistable platform (31) and left and right horizontal, and clamp arm (45) is on hoistable platform (31)
Corresponding square hole after extend downward vertically.
5. it is according to claim 1 for installing the automatic assembling machine of diesel engine cylinder cover valve seat valve rod, it is characterized in that: institute
4 horizontal clamping disk circular grooves (412), this 4 clamping disk circular grooves are provided on the inner end for the clamping disk (44) stated
(412) it matches with 4 cylindrical side wall valve ports (15) outwardly protruded on cylinder cover for diesel engine (1) side wall with clamping cylinder head
(1).
6. it is according to claim 1 for installing the automatic assembling machine of diesel engine cylinder cover valve seat valve rod, it is characterized in that: folder
The annular that the upper side pole wall of the thin bar head of the cylinder head valve rod (11) of the inner end shape and diesel engine of clencher (65) is equipped with is recessed
Slot is tangent, can clamp to cylinder head valve rod (11).
7. it is according to claim 1 for installing the automatic assembling machine of diesel engine cylinder cover valve seat valve rod, it is characterized in that: institute
The electromagnetism valve rod (75) stated has 4, the cloth of the cylinder cover valve seat mounting hole of the arrangement and cylinder head (1) of 4 electromagnetism valve rods (75)
Set identical, every 4 electromagnetism valve rods (75) lower surface is all connected with columned guide post (74), and the outer diameter of guide post (74) is small
Internal diameter in cylinder cover valve seat (12).
8. a kind of as described in claim 1 for installing the assembly side of the automatic assembling machine of diesel engine cylinder cover valve seat valve rod
Method, it is characterized in that the following steps are included:
A, the bottom surface (14) of cylinder head (1) is seated on transmission device (2), and cylinder cap upper surface (17) is above；Clamping motor
(41) it rotates in the forward direction, drives two clamp arms (45) and cylinder head (1) clamping, complete pinching action；
B, elevating mechanism (3) works, and clamp system (4) is driven to be moved upwards up to setting position, two synchronous overturnings motor (51)
Work drives clamping disk (44) and cylinder head (1) to turn clockwise 180 degree, cylinder cap upper surface (17) is made to have gone to bottom,
The bottom surface (14) of cylinder head (1) goes to the top；
C, it is rotated in the forward direction by Medium-voltage Motor (71), drives the electromagnetism valve rod (75) for being adsorbed with cylinder cover valve seat (12) to move downward, by 4
A cylinder cover valve seat (12) presses fill in 4 cylinder cover valve seat mounting holes (16) of bottom surface (14) simultaneously；Then electromagnetism valve rod
(75) power-off is detached from cylinder cover valve seat (12)；It is reversely rotated by Medium-voltage Motor (71), band moving electromagnetic valve column (75) moves upward to
It is in situ；
D, two synchronous overturnings motor (51) work at the same time, and cylinder head (1) is turned counterclockwise 90 degree, makes the bottom of cylinder head (1)
Face (14) goes to foremost, and cylinder cap upper surface (17) is gone to backmost；
E, by 4 cylinder head valve rods (11) pass through cylinder cap valve seat mounting hole (16), the thin bar head of cylinder head valve rod (11) backwards,
Pushing motor (61) work, makes the thin bar head of clamping clip (65) gripper cylinder lid valve rod (11)；So latter two synchronizes overturning electricity
Machine (51) work, drives clamping disk (44) to turn counterclockwise 90 degree, cylinder head (1) is made to rotate back into original position；Elevating mechanism (3) work
Make, clamp system (4) and cylinder head (1) is driven to drop downwardly to original position；Pushing motor (61) work, discharges clamping clip (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710991261.8A CN107877156B (en) | 2017-10-23 | 2017-10-23 | For installing the automatic assembling machine and assembly method of diesel engine cylinder cover valve seat valve rod |
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| CN201710991261.8A CN107877156B (en) | 2017-10-23 | 2017-10-23 | For installing the automatic assembling machine and assembly method of diesel engine cylinder cover valve seat valve rod |
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| CN107877156B true CN107877156B (en) | 2019-10-01 |
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| CN201710991261.8A Expired - Fee Related CN107877156B (en) | 2017-10-23 | 2017-10-23 | For installing the automatic assembling machine and assembly method of diesel engine cylinder cover valve seat valve rod |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108747315A (en) * | 2018-07-09 | 2018-11-06 | 中山市科力高自动化设备有限公司 | A kind of clamping device of front overhang absorber spring kludge |
| CN109158857A (en) * | 2018-11-01 | 2019-01-08 | 江苏集萃智能制造技术研究所有限公司 | A kind of grass trimmer lifting transfer positioner |
| CN109896257A (en) * | 2019-04-11 | 2019-06-18 | 瑞安市雏鹰课后托管服务有限公司 | A kind of turnover device of overhead chain conveyer |
| CN113369862B (en) * | 2021-07-09 | 2023-08-22 | 北京机械设备研究所 | Automatic press-fitting system and method for ball screw auxiliary bearing |
| CN115156979B (en) * | 2022-08-16 | 2023-09-01 | 安庆中船动力配套有限公司 | Automatic overturning device for cylinder cover production |
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Application publication date: 20180406 Assignee: Center for technology transfer Jiangsu University of Science and Technology Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2021980006173 Denomination of invention: Automatic assembly machine and assembly method for installing valve rod of valve seat of diesel engine cylinder head Granted publication date: 20191001 License type: Common License Record date: 20210714 |
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Assignee: Center for technology transfer Jiangsu University of Science and Technology Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2021980006173 Date of cancellation: 20210826 |
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