CN107902350B - Shuttle type RGV flexible assembly line - Google Patents
Shuttle type RGV flexible assembly line Download PDFInfo
- Publication number
- CN107902350B CN107902350B CN201711295220.1A CN201711295220A CN107902350B CN 107902350 B CN107902350 B CN 107902350B CN 201711295220 A CN201711295220 A CN 201711295220A CN 107902350 B CN107902350 B CN 107902350B
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- Prior art keywords
- rgv
- supporting
- power supply
- assembly line
- mounting seat
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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000006872 improvement Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
-
- 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
-
- 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
Abstract
The invention discloses a shuttle type RGV flexible assembly line, which comprises a track, an RGV trolley walking on the track, a liftable supporting tool and a power supply and take-off mechanism, wherein the RGV trolley is arranged on the track; the RGV trolley and the two supporting tools are arranged, and the two supporting tools span over the track and can change stations under the drive of the RGV trolley; the power supply and take-off mechanism comprises mutually independent power supply groups and power take-off groups; the power supply group is arranged on the RGV trolley and is electrically connected with the RGV trolley, and the power taking group is correspondingly arranged on the support leg of the supporting tool and is electrically connected with the driving motor. Through RGV dolly automatic handling, join in marriage the main line equipment form that supports the frock, improved the production efficiency of assembly line, realize local station work piece bottom assembly operation demand through the lift that supports the frock, reduced the setting lifting equipment on this station and need dig the pit, lay complicated work such as track, assembly line overall structure is simple, easily control, possesses better adaptability.
Description
Technical Field
The invention belongs to the field of assembly, and particularly relates to a shuttle RGV flexible assembly line.
Background
The existing assembly line for large engineering machinery equipment mainly depends on simple tools to realize assembly operation, the efficiency is insufficient to meet production requirements, the manual input amount is large, and the labor intensity of workers is high. The enterprises are urgently required to upgrade the existing production line, and the existing assembly conditions are improved by adopting an automatic production line with higher production efficiency.
Disclosure of Invention
Accordingly, the present invention is directed to a shuttle type RGV flexible assembly line, which can improve the production efficiency and the assembly condition.
In order to achieve the above purpose, the present invention provides the following technical solutions: a shuttle type RGV flexible assembly line comprises a track, an RGV trolley walking on the track, a lifting supporting tool and a power supply and take-off mechanism; the RGV trolley and the two supporting tools are arranged, and the two supporting tools span over the track and can change stations under the drive of the RGV trolley;
the power supply and take-off mechanism comprises mutually independent power supply groups and power take-off groups;
the power supply group mainly comprises an insulating mounting seat and a plurality of electric brushes which are arranged on the insulating mounting seat at intervals; the electric brush comprises an electric brush mounting seat, a pipe sleeve and a fastening piece, wherein the pipe sleeve is inserted in the electric brush mounting seat, one end of the pipe sleeve extends out of the electric brush mounting seat, an electric brush head is arranged at the extending end, a wire I penetrates through the pipe sleeve, one end of the wire I is positioned on the electric brush mounting seat through the fastening piece I, and the other end of the wire I is connected with the electric brush head; the electric brush mounting seat is arranged on the insulating mounting seat;
the power taking group mainly comprises an insulating mounting plate and conductive blocks correspondingly matched with brush heads on the power supply group, the bottoms of the conductive blocks are connected with wires II, and the wires II are positioned on the insulating mounting plate through fasteners II;
the supporting tool comprises a supporting beam and supporting legs correspondingly arranged below two ends of the supporting beam, wherein the two supporting legs are connected with the supporting beam through a lifter I and a lifter II respectively, a driving motor is arranged in the supporting beam, and the driving motor is connected with the lifter I and the lifter II through a transmission shaft and drives the lifters I and II to drive the supporting beam to lift;
the power supply group is arranged on the RGV trolley and is electrically connected with the RGV trolley, the power taking group is correspondingly arranged on the supporting leg of the supporting tool, and the lead II is electrically connected with the driving motor.
Further, the power supply group further comprises an electric cylinder, the extending end of the electric cylinder is embedded with the insulating mounting seat through a joint, and the electric cylinder is arranged on the RGV trolley through the electric cylinder mounting seat.
Further, the power supply unit further comprises a sliding block arranged on the insulating mounting seat, a linear guide rail is arranged on the RGV trolley, and the sliding block is sleeved on the linear guide rail and can move along the linear guide rail under the action of the electric cylinder.
Further, each conductive block in the electricity taking group is of a vertically installed strip-shaped structure.
Further, the pipe sleeve is of a double-layer pipe structure, and a spring for adjusting the extension amount of the inner pipe is arranged between the tail ends of the inner pipe and the outer pipe.
Further, still be equipped with the guide post between stabilizer blade and the supporting beam, supporting beam suit is on the guide post and do elevating movement along the guide post under the effect of lift I, lift II.
Further, the pipe sleeve is a copper pipe.
Further, the conductive block is a copper block.
Further, the lifter I and the lifter II are worm and gear lifting mechanisms.
The invention has the beneficial effects that:
(1) The two RGV trolleys are used for carrying workpieces, one is a driving trolley and the other is a driven trolley, so that the occurrence of a dangerous event of overturning caused by instability of the workpieces which is brought when the synchronous operation cannot be carried out and the vehicle slips is prevented.
(2) The supporting tool is not provided with a power supply, and is powered by the RGV trolley through the power supply and take-off mechanism, so that lifting is realized; during assembly operation, the supporting tool is not electrified, and the safety is better.
(3) The lifting of the supporting tool is used for realizing the assembly operation requirement of the bottom of the workpiece at the local station, so that the complex work of digging a pit, paving a track and the like required by the lifting equipment arranged on the station is reduced, the equipment on the production line is simplified, and the assembly of the workpieces with different specifications can be adapted by adjusting the spacing between the front supporting tool and the rear supporting tool, so that the adaptability and the flexibility are wider.
(4) Through automatic handling of the RGV trolley, the production efficiency of an assembly line is improved by matching with a main line equipment form of a supporting tool, the production line equipment is simplified, the product assembly adaptability is wider, and an improved and adjustable space is provided for future assembly processes.
(5) Other auxiliary fixtures can be adopted on the assembly line, so that the assembly efficiency of the production line is improved, and the labor intensity of workers is reduced.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is an assembly line schematic;
FIG. 2 is a schematic diagram of a power take-off mechanism;
FIG. 3 is a schematic diagram of a power pack structure;
FIG. 4 is a schematic view of a brush structure;
FIG. 5 is a schematic diagram of a power take-off set;
FIG. 6 is a schematic view of a support tooling structure;
FIG. 7 is a schematic view of a common station state;
FIG. 8 is a schematic view of a conveyance state;
fig. 9 is a schematic view of the bottom assembly state.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in the figure, the shuttle type RGV flexible assembly line comprises a track 1, an RGV trolley 2 walking on the track 1, a liftable supporting tool 3 and a power supply and take-off mechanism; the RGV trolley 2 and the supporting tools 3 are two, and the two supporting tools 3 span over the track 1 and can change stations under the driving of the RGV trolley 2. Specifically, the assembly line is provided with a plurality of stations, and two RGV trolleys 2 are respectively used as a master trolley and a slave trolley and are used for bearing the conveying task of the whole line or respectively bearing the conveying tasks of the front and rear half assembly lines. Because the workpieces forming the large-scale engineering mechanical equipment are long and heavy, two supporting tools 3 are arranged on each station, and the workpieces are supported by the front supporting tool 3 and the rear supporting tool 3. During conveying, two RGV trolleys 2 respectively correspondingly support one supporting tool 3, and then are carried. The supporting tool 3 can be lifted, so that a workpiece can be lifted to a required height at any station, and the assembly operation is convenient; meanwhile, the space between the two supporting tools 3 can be adjusted through the RGV trolley 2 so as to adapt to the assembly of products with different specifications, so that the assembly line has higher flexibility.
The power supply and take-off mechanism comprises a power supply group 4 and a power take-off group 5 which are mutually independent; the power supply group 4 mainly comprises an insulating mounting seat 41 and a plurality of electric brushes 42 which are arranged on the insulating mounting seat 41 at intervals; the electric brush 42 comprises an electric brush mounting seat 421, a pipe sleeve 422 and a fastening piece 423, wherein the pipe sleeve 422 is inserted in the electric brush mounting seat 421, one end of the pipe sleeve 422 extends out of the electric brush mounting seat 421, an electric brush head 424 is arranged at the extending end, a wire I425 penetrates through the pipe sleeve 422, one end of the wire I425 is positioned on the electric brush mounting seat 421 through the fastening piece I423, and the other end of the wire I425 is connected with the electric brush head 424; the brush mount 421 is provided on the insulating mount 41. The electricity taking group 5 mainly comprises an insulating mounting plate 51 and conductive blocks 52 correspondingly matched with the brush heads 424 on the power supply group 4, and the bottoms of the conductive blocks 52 are connected with wires II which are positioned on the insulating mounting plate 51 through fasteners II 53.
The support tool 3 comprises a support beam 31 and support legs 32 which are correspondingly arranged below two ends of the support beam 31, wherein the two support legs 32 are respectively connected with the support beam 31 through a lifter I33 and a lifter II 34, a driving motor 35 is arranged in the support beam 31, and the driving motor 35 is connected with the lifter I33 and the lifter II 34 through transmission shafts and drives the lifters I and II to drive the support beam 31 to lift.
The power supply group 4 is arranged on the RGV trolley 2 and is electrically connected with the RGV trolley 2, the power taking group 5 is correspondingly arranged on the support legs 32 of the supporting tool 3, and the lead II is electrically connected with the driving motor 5. The support fixture 3 is not electrified itself and is electrically connected with the power supply group 4 on the RGV trolley 2 through the power supply group 5 arranged on the support legs 2.
Specifically, at the work station, the supporting tool 3 plays a role in supporting the workpiece 6, and after the worker completes the assembly operation of the station, the RGV trolley 2 carries the supporting tool 3 and the workpiece 6 to the next station together. When work bottom operation is required, namely when the supporting beam 31 is required to be lifted, the RGV trolley 2 supplies power to the power taking group 5 through the power supply group 4 arranged on the RGV trolley. In power pack 4, a fastener 423 mounted on brush mount 421 is electrically connected to RGV trolley 2, fastener 423 delivers current to wire I425, wire I425 in turn is delivered to brush head 424, and at this point brush head 424 is energized. When the electricity taking group 5 on the supporting tool 3 is in butt joint with the power supply group 4 on the RGV trolley 2, the brush heads 424 electrify the conductive blocks 52, each conductive block 52 in the electricity taking group 5 is correspondingly connected with a power line and a signal line of the driving motor 35, the driving motor 5 is controlled to rotate positively through corresponding power transmission signals, and the supporting beam 31 is finally lifted through the actions of the lifter I33 and the lifter II 34. On the contrary, when the RGV trolley 2 is required to carry the supporting tool 3 and the workpiece 6 to the next station, the driving motor 35 is controlled to rotate reversely, so that the support legs 32 on the supporting tool 3 are separated from the ground, the bottom surface of the supporting beam 31 falls on the RGV trolley 2, and the RGV trolley 2 can move.
This assembly line sets up power supply group 4 on RGV dolly 2, sets up on supporting frock 3 and gets electric group 5, realizes supporting frock 3's power supply control and lifting control through the change of RGV dolly 2 position (supporting frock 3 power supply, break away from supporting frock 3 control supporting frock 3 outage under supporting frock 3), and control process is simple, has eliminated the limitation problem that conventional power supply form exists. In addition, can guarantee that support frock 3 is uncharged at ordinary times, more improve the security.
As a further improvement of the above solution, the power supply unit 4 further includes an electric cylinder 43, where an extended end of the electric cylinder 43 is engaged with the insulating mounting seat 41 through a joint 44, and the electric cylinder 43 is disposed on the RGV trolley 2 through an electric cylinder mounting seat 45. The electric cylinder 43 pushes the insulating mounting seat 41 to drive the electric brush 42 to be matched with the conductive block 52 on the electricity taking group 5, so that the matching reliability of the electric brush 42 and the conductive block 52 is improved.
As a further improvement of the above solution, the power supply unit 4 further includes a slider 46 disposed on the insulating mounting seat 41, and the RGV trolley 2 is provided with a linear guide rail 7, and the slider 46 is sleeved on the linear guide rail 7 and can move along the linear guide rail 7 under the action of the electric cylinder 43. By the cooperation of the linear guide rail 7 and the sliding block 46, the traveling path of the insulating mounting seat 41 is restrained, so that the abutting precision of the electric brush 42 and the conductive block 52 is improved.
As a further improvement of the above solution, each conductive block 52 in the electricity taking set 5 is a vertically installed elongated structure, and its height is not less than the height of the stand bar from the ground when the RGV trolley 2 carries the supporting tool. In order to ensure that the electricity taking group and the power supply group of the supporting tool 3 are not separated from each other in the lifting process, and the reliable electricity obtaining of the supporting tool 3 is realized.
As a further improvement of the above solution, the sleeve 422 has a double-layer tube structure, and a spring 426 for adjusting the extension of the inner tube is disposed between the tail ends of the inner tube and the outer tube. The spring 426 has a certain compression stroke, can adapt to the distance error between the power supply group and the power taking group, and ensures that the contact power taking is stable and reliable.
As a further improvement of the above scheme, a guide post 36 is further arranged between the leg 32 and the supporting beam 31, and the supporting beam 31 is sleeved on the guide post 36 and moves up and down along the guide post 36 under the action of the lifter i 33 and the lifter ii 34. Four groups of guide posts are arranged at the position, two guide posts are arranged on the two support legs 32 respectively, so that the whole structure is stable, and the stability is good.
As a further improvement of the above solution, the sleeve 422 is a copper tube, and the conductive tube 52 is a copper block. Of course, other conductive materials may be used instead of the sleeve and the conductive block.
As a further improvement of the scheme, the lifter I33 and the lifter II 34 are worm and gear lifting mechanisms; the mechanism has good self-locking performance after lifting and stopping, thereby ensuring the safe production of workers during assembly operation.
The basic flow of the assembly line is as follows:
1. the method comprises the steps that a work piece is hoisted to a supporting tool by a workshop crane at a first station at the initial end of an assembly line, and then is assembled;
2. after the assembly is completed, an operator presses a finishing button and communicates with an upper computer through an Ethernet communication system;
3. before being carried to the next station, the RGV trolley controls the supporting tool to shrink the supporting legs, so that the supporting legs are separated from the ground, and the supporting cross beam is seated on the RGV trolley;
4. after the operation condition is met, the RGV main vehicle and the RGV auxiliary vehicle carry two supporting tools and workpieces together and are conveyed to a second station, and the station positioning is automatically positioned by the RGV trolley according to the assembled workpieces;
5. when the second station is reached, when the bottom of the workpiece is required to be operated, the RGV trolley controls the supporting tool to lift the supporting beam, so that the support legs are supported on the ground, and the supporting beam is at a proper height, and then the second station is assembled;
6. so reciprocating, realize the automatic transport of whole production line.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (9)
1. A shuttle type RGV flexible assembly line, includes track, walking RGV dolly on the track, its characterized in that: the lifting support tool and the power supply and take-off mechanism are also included; the RGV trolley and the two supporting tools are arranged, and the two supporting tools span over the track and can change stations under the drive of the RGV trolley;
the power supply and take-off mechanism comprises mutually independent power supply groups and power take-off groups;
the power supply group mainly comprises an insulating mounting seat and a plurality of electric brushes which are arranged on the insulating mounting seat at intervals; the electric brush comprises an electric brush mounting seat, a pipe sleeve and a fastening piece, wherein the pipe sleeve is inserted in the electric brush mounting seat, one end of the pipe sleeve extends out of the electric brush mounting seat, an electric brush head is arranged at the extending end, a wire I penetrates through the pipe sleeve, one end of the wire I is positioned on the electric brush mounting seat through the fastening piece I, and the other end of the wire I is connected with the electric brush head; the electric brush mounting seat is arranged on the insulating mounting seat;
the power taking group mainly comprises an insulating mounting plate and conductive blocks correspondingly matched with brush heads on the power supply group, the bottoms of the conductive blocks are connected with wires II, and the wires II are positioned on the insulating mounting plate through fasteners II;
the supporting tool comprises a supporting beam and supporting legs correspondingly arranged below two ends of the supporting beam, wherein the two supporting legs are connected with the supporting beam through a lifter I and a lifter II respectively, a driving motor is arranged in the supporting beam, and the driving motor is connected with the lifter I and the lifter II through a transmission shaft and drives the lifters I and II to drive the supporting beam to lift;
the power supply group is arranged on the RGV trolley and is electrically connected with the RGV trolley, the power taking group is correspondingly arranged on the supporting leg of the supporting tool, and the lead II is electrically connected with the driving motor.
2. The shuttle RGV flexible assembly line of claim 1, wherein: the power supply unit further comprises an electric cylinder, the extending end of the electric cylinder is embedded with the insulating mounting seat through a joint, and the electric cylinder is arranged on the RGV trolley through the electric cylinder mounting seat.
3. The shuttle RGV flexible assembly line of claim 2, wherein: the power supply unit further comprises a sliding block arranged on the insulating mounting seat, a linear guide rail is arranged on the RGV trolley, and the sliding block is sleeved on the linear guide rail and can move along the linear guide rail under the action of the electric cylinder.
4. The shuttle RGV flexible assembly line of claim 1, wherein: each conductive block in the electricity taking group is of a vertically installed strip-shaped structure.
5. The shuttle RGV flexible assembly line according to any one of claims 1 to 4, wherein: the pipe sleeve is of a double-layer pipe structure, and a spring for adjusting the extension amount of the inner pipe is arranged between the tail ends of the inner pipe and the outer pipe.
6. The shuttle RGV flexible assembly line of claim 5, wherein: and a guide column is further arranged between the support legs and the supporting cross beam, and the supporting cross beam is sleeved on the guide column and moves up and down along the guide column under the action of the lifter I and the lifter II.
7. The shuttle RGV flexible assembly line of claim 5, wherein: the pipe sleeve is a copper pipe.
8. The shuttle RGV flexible assembly line of claim 5, wherein: the conductive block is a copper block.
9. The shuttle RGV flexible assembly line of claim 6, wherein: and the lifter I and the lifter II are worm and gear lifting mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295220.1A CN107902350B (en) | 2017-12-08 | 2017-12-08 | Shuttle type RGV flexible assembly line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295220.1A CN107902350B (en) | 2017-12-08 | 2017-12-08 | Shuttle type RGV flexible assembly line |
Publications (2)
| Publication Number | Publication Date |
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| CN107902350A CN107902350A (en) | 2018-04-13 |
| CN107902350B true CN107902350B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711295220.1A Active CN107902350B (en) | 2017-12-08 | 2017-12-08 | Shuttle type RGV flexible assembly line |
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| Country | Link |
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| CN (1) | CN107902350B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673089B (en) * | 2018-07-12 | 2023-09-05 | 中国联合工程有限公司 | Multi-station assembly system for directly assembling coating power and free chain |
| CN110082616A (en) * | 2019-04-09 | 2019-08-02 | 广东嘉腾机器人自动化有限公司 | Test trolley and test macro |
| CN114701814A (en) * | 2022-04-02 | 2022-07-05 | 宁波金凤焊割机械制造有限公司 | Steel member processing turnover dolly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08138756A (en) * | 1994-11-11 | 1996-05-31 | Toyota Autom Loom Works Ltd | Battery charging method in carrier system and its device |
| JPH11146565A (en) * | 1997-11-05 | 1999-05-28 | Murata Mach Ltd | Automatic guided vehicle and charging system therefor |
| CN103481895A (en) * | 2013-06-20 | 2014-01-01 | 湖北华昌达智能装备股份有限公司 | Rail guided vehicle (RGV) |
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| CN107902350A (en) | 2018-04-13 |
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