CN115488558A - Welding production line for standard knot - Google Patents
Welding production line for standard knot Download PDFInfo
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- CN115488558A CN115488558A CN202211078488.0A CN202211078488A CN115488558A CN 115488558 A CN115488558 A CN 115488558A CN 202211078488 A CN202211078488 A CN 202211078488A CN 115488558 A CN115488558 A CN 115488558A
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- 238000003466 welding Methods 0.000 title claims abstract description 106
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 51
- 238000012546 transfer Methods 0.000 claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000005498 polishing Methods 0.000 claims description 21
- 230000008439 repair process Effects 0.000 claims description 20
- 238000003860 storage Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000009194 climbing Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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- 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
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- 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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
- B65G47/68—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor
- B65G47/69—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor the articles being accumulated temporarily
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- 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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/92—Devices for picking-up and depositing articles or materials incorporating electrostatic or magnetic grippers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention provides a welding production line for a standard knot, which relates to the technical field of welding production and comprises: the device comprises a cache device, a first carrying device, an assembling assembly device, a second carrying device, a transferring device and a welding assembly device; the first carrying device comprises a transmission rail extending along a first direction and a mechanical arm arranged on the transmission rail in a sliding contact manner, and the mechanical arm grabs or places the main chord member in an electromagnet suction manner; the assembling assembly device is provided with a workbench which is provided with a plurality of hole site reference parts; the second carrying device is provided with a portal crane and a frame beam for supporting the portal crane to freely walk, and the top of the frame beam is provided with a top sliding rail extending along the first direction; the loading transfer trolley of the transfer device is used for carrying out reciprocating transfer between the workbench and the portal crane; the welding assembly device comprises a plurality of welding mechanisms, and each welding mechanism is regularly arranged in a working area defined by the frame beam.
Description
Technical Field
The invention relates to the technical field of welding production, in particular to a welding production line for a standard knot.
Background
The standard section is a main component part of the tower crane and is used for changing the height of a tower body of the tower section with standard size. The tower crane standard knot is generally divided into an integral standard knot and a sheet standard knot according to whether the tower crane standard knot can be split or not, and plays an important role in the composition of the tower crane.
At present, the intelligent production of the tower crane is a major trend of automatic production, and the quality of the whole tower crane is restricted by the processing quality of a standard knot of the tower crane. However, there are many disadvantages in the production process of the tower crane standard knot at present: 1. the structure among all parts is complex, and the automation degree is low due to multiple processing procedures; 2. the related parts have multiple types and specifications, large size and weight and more hidden dangers; 3. the tower crane has the highest proportion in the welding and other processing operations of the standard knot, but the matching of all the devices matched with the tower crane cannot be well connected and matched.
Therefore, the problems in the prior art cause production assembly workshops of most enterprises to be basically in manual/semi-automatic production, the whole machining process needs to depend on manual adjustment of workpiece positions and manual welding operation for many times, and the production efficiency is low. Meanwhile, the temperature of the welded tower crane sections is high, potential labor safety hazards and the like are hidden during transportation, and welding production and manufacturing are not facilitated.
Disclosure of Invention
In view of the above, the present invention provides a welding line for standard knots to solve the above problems. A welding production line for tower machine standard festival in this application, its degree of automation is high, possess advantages such as positioning accuracy is good, has reduced workman's the amount of labour and intensity of labour, improves conveying efficiency, the turnover is convenient, and the management of being convenient for.
The invention adopts the following scheme:
the application provides a welding production line for standard festival, includes: the device comprises a cache device, a first carrying device, an assembling assembly device, a second carrying device, a transferring device and a welding assembly device; the buffer device is used for temporarily storing the main chord; the first carrying device comprises a transmission rail which extends and is configured along a first direction and a mechanical arm which is arranged on the transmission rail in a sliding contact mode, and the mechanical arm grabs or places the main chord member in an attraction mode of an electromagnet; the assembling assembly device is provided with a workbench, the workbench is provided with a plurality of hole site reference parts, and the hole site reference parts are used for accurately limiting the main chord member at a station to be assembled and assembled after the workbench receives the main chord member grabbed and transferred by the mechanical arm, so that the assembling assembly device is suitable for assembling a plurality of sheet sections to be locked and attached on the main chord member to be assembled and fixedly connected to form a standard section to be welded; the second carrying device is provided with a portal crane and a frame beam for supporting the portal crane to freely walk, and the top of the frame beam is provided with a top sliding rail extending along a first direction; the transfer device comprises a loading transfer trolley and a blanking transfer trolley, and the loading transfer trolley is used for performing reciprocating transfer between the workbench and the portal crane; the welding assembly device comprises a plurality of welding mechanisms, and the welding mechanisms are regularly distributed in a working area defined by the frame beam; the buffer device, the first carrying device, the assembling assembly device and the second carrying device are sequentially arranged along a first direction, and a repair welding and polishing mechanism is arranged at the tail end of the production line; the blanking transfer trolley is used for carrying out reciprocating transfer between the repair welding and polishing mechanism and the portal crane.
As a further improvement, the cache device comprises: the lifting device comprises a rack provided with a lifting piece and a jacking mechanism arranged on the rack; the jacking mechanism is used for pushing the main chord upwards and lifting the main chord to be separated from the lifting piece, and the main chord can be automatically turned over and switched to move to a working state which is beneficial to quick grabbing of a mechanical arm in the lifting process; wherein, a plurality of lifting pieces and the associated jacking mechanisms are regularly arranged.
As a further refinement, the first direction is defined as a transport direction in a cross-line direction; the transmission rail is provided with a sliding support and a driving motor for driving the sliding support to move along the transmission rail, the top of the sliding support is fixedly connected with a transverse support extending outwards, and the mechanical arm can be relatively movably arranged at the outer end side of the transverse support up and down to correspondingly form a 21274type frame suitable for grabbing the main chord in the transverse state.
As a further improvement, at least one of the hole site reference parts is configured to be a limit bracket which is formed on the table top of the workbench and is adapted to lean against the main chord member, and a plurality of lock accessories are arranged on the limit bracket; and at least one other hole site reference part is configured to be a support supporting plate arranged opposite to the limiting bracket, and the support supporting plate is convexly configured on the table top, so that a plurality of sheet sections which are respectively spliced and assembled on the main chord member are in centralized lap joint and limited on the support supporting plate and correspondingly assembled to form a triangular standard section.
As a further improvement, the loading transfer trolley freely runs between the workbench and the portal crane along the track; the feeding transfer trolley comprises a trolley body provided with a top rotary table and a guide wheel which is in sliding contact with the track and is matched with the bottom of the trolley body; the rotary table is provided with a support frame which extends outwards and is arranged, the support frame horizontally extends to the outer side along the rotary table, and two fork-shaped supports with positioning fixtures are formed.
As a further improvement, the blanking transfer trolley freely runs between the repair welding and polishing mechanism and the portal crane along the track; the unloading is moved the top that carries the dolly and is formed a rectangle and place the platform, it is equipped with a plurality of locating parts that are used for standard festival to place the joint to place the bench.
As a further improvement, the frame beam comprises two cross beam bodies which are extended along the first direction and provided with top sliding rails and a plurality of upright columns which are used for supporting the cross beam bodies and arranged at intervals, and the working area is formed on one side close to one of the cross beam bodies and is arranged below the two cross beam bodies in the middle.
As a further improvement, the gantry crane is configured into a double-beam structure, the gantry crane is provided with hoisting fixtures for standard sections, and the hoisting fixtures are correspondingly input to the hoisting fixtures for up-and-down hoisting and opening and closing operations after the gantry crane performs sliding contact electricity taking along a top sliding rail; and, at least two gantry cranes are equipped to be used separately for feeding and discharging.
As a further improvement, the welding mechanism comprises a welding robot and a displacement machine table for limiting the welding position of the standard knot; and two machine platforms that shift are opposite to each other through a rack and are set up, the rack is configured to can implement spacingly along X axle direction and Y axle direction with the standard festival that the hoist and mount come.
As a further improvement, the repair welding and polishing mechanism comprises a position changing machine with a clamping station, a temporary storage frame for welding and a limiting frame for polishing, wherein the temporary storage frame and the limiting frame are arranged on two sides of the front end of the position changing machine, and the clamping station is controlled and the position changing machine is used for driving the standard section to turn over and switch positions between the welding station on the temporary storage frame and the polishing station on the limiting frame.
By adopting the technical scheme, the invention can obtain the following technical effects:
1. the utility model provides a welding production line keeps in main chord member in buffer memory device, shifts by robotic arm of first handling device on its transmission rail, and then will follow main chord member after the magnetism is inhaled and is snatched in the buffer memory device and remove to assembling assembly device's workstation on. And the workbench is used for accurately limiting the main chord at a station to be spliced and assembled through hole position reference parts of the workbench, so that a plurality of sheet sections are locked on the main chord to form the standard sections. The material loading moves and carries the dolly and shifts between workstation and second handling device, move the standard festival hoist that the dolly transmitted and come with the material loading via gantry crane and hoist to the welding assembly device, and then realize the welding operation to the standard festival, it has promoted welding line's degree of automation greatly, improve the operational environment, and can be adapted to the transfer between each part of its standard festival of complicated tower crane, concatenation and go up the unloading operation, can show security and the operability that promotes among the standard festival welding production process.
2. Especially, arrange in proper order along the first direction of production line and set up buffer memory device, first handling device, assemble assembly device and second handling device for the overall arrangement of whole production line is more reasonable, transmission shifts efficiency better, and does benefit to the last unloading of each part material and shifts. And, still be equipped with repair welding and grinding machanism at the end of production line, the unloading moves and carries the dolly and shift between gantry crane and repair welding and grinding machanism, corresponds the standard festival input to repair welding or the station department of polishing that welds the completion after the unloading to realize further maintenance and polish processing operation, promote the functional diversity of production line.
Drawings
FIG. 1 is a schematic diagram of a welding line for standard knots according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a caching apparatus for a welding line of a standard knot according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a first handling device of the welding production line for standard knots according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a splicing assembly device for a welding production line of standard knots according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a loading transfer trolley of a transfer device for a standard knot welding production line according to an embodiment of the invention;
FIG. 6 is a schematic structural view of the transmission assembly of FIG. 5;
FIG. 7 is a schematic structural diagram of a blanking transfer trolley of a transfer device for a welding production line of a standard knot according to an embodiment of the invention;
FIG. 8 is a schematic structural view of a second handling device for a welding line of standard knots according to an embodiment of the present invention;
FIG. 9 is an enlarged partial schematic view of FIG. 8;
FIG. 10 is a schematic structural view of a welding assembly apparatus for a standard knot welding line in accordance with an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of the index table of FIG. 10;
FIG. 12 is a schematic structural diagram of a repair welding and grinding mechanism of a welding production line for standard knots according to an embodiment of the present invention.
Icon:
1-a cache device; 11-a frame; 12-a jacking mechanism;
2-a first handling device; 21-a transmission rail; 22-a mechanical arm; 23-a sliding support; 24-a drive motor; 25-a transverse bracket;
3-assembling the assembly device; 31-a workbench; 32-hole site fiducials; 33-a lock attachment;
4-a second handling device; 41-gantry crane; 411-hoisting the clamp; 42-frame beam; 421-a beam body; 422-upright column;
5-a transfer device; 51-loading transfer trolley; 511-vehicle body; 512-guide wheel; 513-a turntable; 514-a support frame; 515-driving wheel; 516-a follower wheel; 517-a transmission member; 518-a tensioning member; 52-blanking transfer trolley; 521-a rectangular placing table; 522-a stopper;
6-welding the assembly device; 61-a welding robot; 62-a position changing machine; 63-placing the rack;
7-repair welding and polishing mechanism; 71-a position changing machine; 72-temporary storage rack; 73-a limiting frame;
a-standard section; a1-a main chord; a2-segment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Examples
With reference to fig. 1 to 12, the present embodiment provides a welding line for standard knots, including: the device comprises a cache device 1, a first conveying device 2, an assembling assembly device 3, a second conveying device 4, a transferring device 5 and a welding assembly device 6.
The buffer device 1 is used for temporarily storing the main chord A1. The first carrying device 2 includes a transmission rail 21 extending along a first direction, and a robot 22 slidably disposed on the transmission rail 21, wherein the robot 22 picks up or places the main chord A1 by attraction of an electromagnet. The assembling assembly device 3 has a workbench 31, the workbench 31 is provided with a plurality of hole site reference parts 32, and the hole site reference parts 32 are used for accurately limiting the main chord A1 at the station to be assembled and assembled after the workbench 31 receives the main chord A1 grabbed and transferred by the mechanical arm 22, and are further suitable for assembling a plurality of sheet sections A2 to be locked and attached on the main chord A1 to be assembled and fixedly connected to form the standard section A to be welded. The second carrying device 4 is provided with a gantry crane 41 and a frame beam 42 for supporting the gantry crane 41 to freely travel, and the top of the frame beam 42 is provided with a top slide rail extending in the first direction. The transfer device 5 includes a loading transfer cart 51 and a unloading transfer cart 52, and the loading transfer cart 51 is used for reciprocating transfer between the working table 31 and the gantry crane 41. The welding assembly device 6 includes a plurality of welding mechanisms, and each welding mechanism is regularly arranged in a working area defined by the frame beam 42.
The buffer device 1, the first carrying device 2, the assembling assembly device 3 and the second carrying device 4 are sequentially arranged along a first direction, and a repair welding and polishing mechanism 7 is arranged at the tail end of the production line. The blanking transfer trolley 52 is used for carrying out reciprocating transfer between the repair welding and grinding mechanism 7 and the portal crane 41.
Above-mentioned a welding production line for tower machine standard festival A, its degree of automation is high, possess advantages such as have that positioning accuracy is good, reduced workman's the amount of labour and intensity of labour, improve conveying efficiency, the turnover is convenient, and the management of being convenient for. Specifically, the main chord A1 is temporarily stored in the temporary storage device 1, and the robot arm 22 of the first carrying device 2 transfers the main chord A1 on the conveying rail 21, so as to move the main chord A1 magnetically attracted and captured from the temporary storage device onto the workbench 31 of the assembling device 3. And the worktable 31 is used for accurately defining the main chord A1 at a work station to be spliced and assembled through the hole site reference piece 32 thereof, so that a plurality of segments A2 are locked on the main chord A1 to form the standard segment a. The loading moves and carries dolly 51 and shifts between workstation 31 and second handling device 4, move the standard festival A hoist that dolly 51 was transmitted and come with the loading via gantry crane 41 and hoist to welding assembly device 6 in, and then realize the welding operation to standard festival A, it has promoted welding production line's degree of automation greatly, improve the operational environment, and can be adapted to the transfer between its standard festival A's of complicated tower crane each part, splice and go up the unloading operation, can show security and the operability that promotes in the standard festival A welding production process.
Especially, arrange in proper order along the first direction of production line and set up buffer memory device 1, first handling device 2, assemble assembly device and second handling device 4 for the overall arrangement of whole production line is more reasonable, transmission shifts efficiency better, and does benefit to the last unloading of each part material and shifts. And, still be equipped with repair welding and grinding machanism 7 at the end of production line, unloading move and carry dolly 52 and shift between gantry crane 41 and repair welding and grinding machanism 7, correspond standard festival A that welding after the unloading was accomplished and input to repair welding or the station department of polishing to realize further maintenance and polish processing operation, promote the functional diversity of production line.
As shown in fig. 2, in the present embodiment, the buffer apparatus 1 includes: a frame 11 provided with a lifting member, and a lifting mechanism 12 provided on the frame 11. The jacking mechanism 12 is configured to push the main chord A1 upward and lift the main chord A1 to a position separated from the lifting member, and enable the main chord A1 to automatically turn over and switch to a working state that is beneficial for the robot arm 22 to quickly grasp the main chord A1 during the lifting process. Specifically, the lifting piece is in a V shape, the main chord A1 is lifted on the rack 11, and then the lifting mechanism 12 is used for lifting and moving to drive the main chord A1 to be far away from the lifting piece, and the main chord A1 is turned to 45 degrees in the lifting process to be adaptive to the magnetic attraction of the mechanical arm 22 for grabbing. It should be mentioned that, for the specific configuration of the lifting member and the lifting mechanism 12 thereof in the cache device 1, please refer to the patent content of the application No. 202122337772.2 previously applied by the present applicant, which is named as a clamping device for workpiece adjustment, and is not described herein again.
Furthermore, in the above, a plurality of lifting elements and their associated lifting devices 12 are regularly arranged. Therefore, the rack 11 is simultaneously provided with a plurality of main chords A1, preferably at least eight main chords A1 arranged in respective lifting pieces at intervals, so that the transfer efficiency of the production line is remarkably improved, and the standby energy consumption is reduced as much as possible.
As shown in fig. 3, in the present embodiment, the first direction is defined as a transport direction in the cross-line direction (as shown in the horizontal cross-line direction in fig. 1). The transmission rail 21 is provided with a sliding bracket 23 and a driving motor 24 for driving the sliding bracket 23 to move along the transmission rail 21. A transverse bracket 25 extending outwards is fixedly connected to the top of the sliding bracket 23, and the mechanical arm 22 is relatively movably arranged at the outer end side of the transverse bracket 25 up and down to correspondingly form a rectangular frame suitable for grabbing the main chord A1 in a transverse state. Therefore, the frame in the shape of a letter 21274enables the mechanical arm 22 to stably ascend, descend and slide on one side of the support, and is greatly suitable for quickly grabbing and smoothly transferring the main chord A1. Obviously, the driving motor 24 drives the sliding support 23 to linearly move relative to the transmission rail 21, which belongs to the existing rail transfer transmission technology, and the electromagnet is arranged on the grabbing part of the mechanical arm 22 to further realize the attraction grabbing of the main chord A1, which is an existing electromagnet structure and is not limited too much here.
As shown in fig. 4, in the present embodiment, at least one of the hole site reference members 32 is configured as a position limiting bracket formed on the top surface of the working table 31 and adapted to the main chord A1 to lean against, and a plurality of locking accessories 33 are provided on the position limiting bracket. And at least one other hole site reference member 32 is configured as a support supporting plate arranged opposite to the limit bracket, and the support supporting plate is convexly configured on the table top, so that the plurality of segments A2 which are respectively spliced and assembled on the main chord A1 are in centralized lap joint and limited on the support supporting plate and correspondingly assembled to form a triangular standard segment A. Preferably, the locking attachments 33 on both sides of the position limiting bracket are respectively used for limiting the main chord A1 on the workbench 31 in an operable manner through a three-point supporting manner, and then the V-shaped segment A2 and the I-shaped segment of the supporting plate pair are respectively spliced at both ends and the middle part of the main chord A1 to form the standard segment A of the triangular support in an assembling manner, and the two segments A2 are mutually connected at the ends and supported and limited on the supporting plate, so as to improve the splicing stability and operability.
It should be noted that, in this embodiment, the main chord A1 and the segment A2 spliced and locked on the surface of the workbench 31 can be realized manually, and the assembled standard segment a is further transferred to the loading transfer trolley 51 in the next process manually, which is a difficult manual operation, and obviously does not affect the automation work of the whole production line.
As shown in fig. 5 to 6, in the present embodiment, the loading transfer cart 51 freely travels between the table 31 and the gantry crane 41 along the rail. The loading transfer trolley 51 comprises a trolley body 511 provided with a top rotary table 513 and a guide wheel 512 which is matched with the rail in a sliding way at the bottom of the trolley body 511. The rotary table 513 is provided with a support bracket 514 extending outwards, and the support bracket 514 extends horizontally to the outside along the rotary table 513 and forms two fork-shaped brackets with positioning fixtures.
The device also comprises a first driving member for the guide wheel 512 and a second driving member (not shown) for the rotary table 513, and a transmission assembly is connected between the first driving member and the guide wheel 512. The transmission assembly comprises a driving wheel 515 butted with the first driving element, two driven wheels 516 butted with the two guide wheels 512 on the same side respectively, and a transmission element 517 connected between the driving wheel 515 and the driven wheels 516, wherein the transmission element 517 is provided with a tension element 518. The second driving member is in bearing connection with the rotary table 513 and is used for controlling the rotary table 513 to rotate along the axial direction thereof to drive the supporting frame 514 thereof to rotate and limit the rotation at the belonging position.
Therefore, the bottom of the vehicle body 511 is provided with the guide wheel 512 for sliding contact adaptation with the rail, the top of the vehicle body 511 is provided with the rotary table 513 and the support frame 514, so that the guide wheel 512 can move to a required station quickly and stably after running on the rail, and the workpiece conveyed by the guide wheel can be correspondingly turned and transposed through a rotary support mode, and can rotate fully for 360 degrees, so that the flexibility of the vehicle body 511 is improved, functional design of a downstream station is not needed, and the transfer transmission requirement is greatly met. And, the driving mechanism is provided with a second driving member for rotating and linking with the rotating table 513 to a position where the rotation is required. And a transmission component is arranged between the first driving part and the guide wheel 512, and the transmission component correspondingly transmits the power of the first driving part to the guide wheel 512 in a high-efficiency manner through the connection and matching of the driving wheel 515 and the driven wheel 516 of the transmission component under the connection and matching of the transmission part 517, so that the walking stability and synchronism of the trolley are ensured. In particular, a tension member 518 is provided on the driving member 517 to promote a compact arrangement between the structural members during driving to improve the power transmission environment.
The two driven wheels 516 are oppositely arranged at the left side and the right side below the driving wheel 515, the wheel structures of the three wheels are cooperatively matched on the same transmission plane, and the transmission part 517 is configured to surround and sleeve the elastic belt between the driving wheel 515 and the two driven wheels 516. Therefore, the driving wheel 515 and the driven wheel 516 are in belt transmission connection through a belt on the same transmission plane, so as to achieve the purpose of smooth transmission. It is obvious that the wheel structure in the above is a general term including a driving wheel 515 and two driven wheels 516.
Wherein a tensioning member 518 is provided between any two wheel structures, and the tensioning member 518 is configured as a tensioning wheel. The tensioning wheel presses and tightens the belt of the path section from outside to inside between the two wheel structures. Specifically, the tension pulley is configured as a follower pulley that presses on the belt to change the wrap angle of the drive pulley 515 and the follower pulley 516 or to control the tension of the belt. By using the tensioning wheel as a tensioning device of the belt transmission, when the center distance of the belt cannot be adjusted, the tensioning wheel can be used for tensioning the belt.
Wherein each tensioner wheel is constantly positioned in the drive plane and three tensioner wheels are opposed to each other to form an inverted triangular shaped tensioner area (as shown in figure 6). The tension pulley located between the two driven pulleys 516 is disposed centrally between the two driven pulleys, and the belt is wound around the outer peripheral side of any one of the driven pulleys 516 to the upper end side of the tension pulley. Correspondingly, the tension pulley between the driving pulley 515 and the driven pulley 516 is configured such that a belt wound around the outer peripheral side of the driving pulley 515 is vertically attached to the outer peripheral side of the associated tension pulley until it is engaged with the outer end side of the driven pulley 516. In the aforesaid, through direction, the tensioning effect of each take-up pulley between the wheel structure, rationally distributed and design benefit are applicable to the high-efficient transmission of area conveying.
The first driving member is a servo motor, the driving wheel 515 is sleeved and externally disposed on an output shaft of the first driving member, and the driven wheel 516 is axially connected with the guide wheel 512 thereof so as to be coaxially disposed on the outer side of the vehicle body 5111. The driving wheel 515 and the output shaft are sleeved in a direct connection transmission mode, so that unnecessary transmission energy consumption can be reduced.
The second driving member is a servo motor, and an output shaft of the second driving member is longitudinally butted with the rotary table 513. The support bracket 514 extends horizontally to the outside along the turntable 513 and forms two fork-shaped brackets with positioning fixtures. The rotary table 513 is provided with 360-degree rotation along the axial direction through the servo motor, the workpiece is clamped on the positioning clamp and limited on the fork-shaped support, and the servo motor is controlled to rotate by 90 degrees, 180 degrees, 270 degrees or 360 degrees, so that the flexibility of the vehicle body 511 is higher, and the vehicle body is adaptive to different downlink stations to flexibly and quickly access the workpiece.
The transfer trolley is suitable for the carrying environment of various types of rail-bound trolleys, and the trolley body 511 is supported on the rail through the guide wheel 512 arranged at the bottom of the trolley body, so that the guide wheel 512 is in sliding contact fit with a guide rail on the rail, the power transmission process for driving the trolleys to walk is more efficient and stable, and the problems of short plates and defects of the rail-bound trolleys can be effectively solved.
As shown in fig. 7, in the present embodiment, the blanking transfer cart 52 is freely movable along its track between the repair welding and polishing mechanism 7 and the gantry crane 41. The blanking transfer trolley 52 has a rectangular placing table 521 formed on the top thereof, and the placing table is provided with a plurality of stoppers 522 for placing and clamping the standard knot a. Specifically, the stoppers 522 are configured to allow the standard knot a to be lifted from top to bottom to be placed on the placing table as follows, and are engaged with the respective stoppers 522 to restrict the standard knot a from being shifted in the horizontal direction with respect to the placing table. Obviously, the blanking transfer trolley 52 can also be equipped with the transmission component as mentioned above, so as to improve the transmission efficiency and smooth transfer of the transfer trolley.
As shown in fig. 8 and 9, in the present embodiment, the frame beam 42 includes two cross beam bodies 421 extending along the first direction to form the top sliding rail, and a plurality of upright posts 422 arranged at intervals for supporting the cross beam bodies 421, and the working area is formed at a side close to one of the cross beam bodies 421 and is centrally disposed below the two cross beam bodies 421. Wherein, a working area for the welding mechanism is defined between the two cross beam bodies 421, so that the standard section a lifted by the gantry crane 41 can be quickly transferred to the welding mechanism in the working area.
Further, the gantry crane 41 is configured as a double beam structure, which is provided with a lifting clamp 411 for the standard knot a, and the lifting clamp 411 is correspondingly input to the lifting clamp 411 for lifting up and down and opening and closing operations after the gantry crane 41 performs sliding contact power supply along the top sliding rail. And, at least two gantry cranes 41 are equipped to be used separately for feeding and discharging. Wherein, the gantry crane 41 with the double-beam structure can greatly improve the safety of the hoisting process, and ensure that the grabbing and placing of the workpiece have enough strength. And the hoisting clamp 411 can adopt the existing form of opening and closing clamps, and can hoist the workpiece to the welding mechanism. In this embodiment, the opposition is equipped with two independent sliding contact gantry crane 41 at the top slide rail, and gantry crane 41 that is close to workstation 31 one side is used for carrying out the material loading hoist and mount of work piece alone, and gantry crane 41 that is keeping away from workstation 31 one side is used for carrying out the unloading hoist and mount of work piece alone, and it divides the work to be more definite, and reasonable in design and efficiency are better.
As shown in fig. 10 and 11, in the present embodiment, the welding mechanism includes a welding robot 61 and a displacement table 62 for defining the welding position of the standard knot a. And the two displacement machines 62 are arranged oppositely through a placing rack 63, and the placing rack 63 is configured to limit the hoisted standard knot A along the X-axis direction and the Y-axis direction (the horizontal direction). Wherein, welding robot 61 is intelligent multiaxis welding machines hand to welding operation is implemented to standard festival A on the rack 63 more accurately. Space for overturning the placing frame 63 and the standard knot A thereof is formed between the two displacement machines 62, so that the multi-directional position adjustment is facilitated to adapt to the welding operation.
As shown in fig. 12, in this embodiment, the repair welding and polishing mechanism 7 includes a positioner 71 having a clamping station, and a temporary storage rack 72 for welding and a limiting rack 73 for polishing which are disposed at both sides of the front end of the positioner 71, and the clamping station is controlled by the positioner 71 to drive the standard knot a to turn over and switch positions between the welding station on the temporary storage rack 72 and the polishing station on the limiting rack 73. The limiting frame 73 and the temporary storage frame 72 are arranged on two sides of the front end of the positioner 71 in an opposite mode respectively, so that selective repair welding operation and polishing operation are conducted on the turned standard knot A, reasonable layout among all stations in the device is greatly improved, and welding production and manufacturing of the tower crane standard knot A are remarkably improved.
It should be mentioned that, a visiting channel and a material flow channel are respectively arranged along two sides of the production line, so that the use flexibility of the welding production line is improved, and the production environment is better.
The above are only preferred embodiments of the present invention, and the scope of the present invention is not limited to the above examples, and all technical solutions that fall under the spirit of the present invention belong to the scope of the present invention.
Claims (10)
1. A welding production line for standard knots, comprising:
the buffer device is used for temporarily storing the main chord;
the first carrying device comprises a transmission rail which extends and is configured along a first direction and a mechanical arm which is arranged on the transmission rail in a sliding contact mode, wherein the mechanical arm grabs or places the main chord in an electromagnet suction mode;
the assembling assembly device is provided with a workbench, the workbench is provided with a plurality of hole position reference parts, and the hole position reference parts are used for accurately limiting the main chord member at a station to be assembled and assembled after the workbench receives the main chord member grabbed and transferred by the mechanical arm, so that the assembling assembly device is suitable for assembling a plurality of sheet sections to be locked and attached on the main chord member to be assembled and fixedly connected into a standard section to be welded;
the second carrying device is provided with a portal crane and a frame beam for supporting the portal crane to freely walk, and the top of the frame beam is provided with a top sliding rail extending along the first direction;
the transfer device comprises a loading transfer trolley and a blanking transfer trolley, wherein the loading transfer trolley is used for carrying out reciprocating transfer between the workbench and the portal crane;
the welding assembly device comprises a plurality of welding mechanisms, and each welding mechanism is regularly distributed in a working area defined by the frame beam;
wherein the content of the first and second substances,
the buffer device, the first carrying device, the assembling assembly device and the second carrying device are sequentially arranged along a first direction, and a repair welding and polishing mechanism is arranged at the tail end of the production line; the blanking transfer trolley is used for carrying out reciprocating transfer between the repair welding and polishing mechanism and the portal crane.
2. Welding line for standard knots according to claim 1, characterised in that said buffer means comprise: the lifting mechanism is arranged on the rack; the jacking mechanism is used for pushing the main chord upwards and lifting the main chord to be separated from the lifting piece, and the main chord can be automatically turned over and switched to move to a working state beneficial to quick grabbing by a mechanical arm in the lifting process; wherein, regularly arrange a plurality of lifting member and attached climbing mechanism.
3. Welding line for standard knots according to claim 1, characterised in that said first direction is defined as the transport direction in the cross-line direction; the transmission rail is provided with a sliding support and a driving motor for driving the sliding support to move along the transmission rail, the top of the sliding support is fixedly connected with a transverse support extending outwards, and the mechanical arm can be movably arranged at the outer end side of the transverse support up and down relatively to form a 2127474-shaped frame suitable for grabbing the main chord in a transverse state correspondingly.
4. The welding production line for the standard knot according to claim 1, wherein at least one of the hole site reference parts is configured to be a limiting bracket which is formed on the table top of the workbench and is adapted to lean against the main chord, and a plurality of locking accessories are arranged on the limiting bracket;
and at least one other hole position reference part is configured to be a supporting plate arranged opposite to the limiting bracket, and the supporting plate is convexly configured on the table top, so that a plurality of sheet sections which are respectively spliced and assembled on the main chord member are in centralized lap joint and limited on the supporting plate and correspondingly assembled to form a triangular standard section.
5. The welding production line for the standard knot as claimed in claim 1, wherein the loading transfer trolley freely travels between the workbench and the gantry crane along the track thereof; the feeding transfer trolley comprises a trolley body provided with a top rotary table and a guide wheel which is in sliding contact with the track and is matched with the bottom of the trolley body; the rotary table is provided with a support frame which extends outwards, the support frame horizontally extends to the outer side along the rotary table, and two fork-shaped supports with positioning fixtures are formed.
6. The welding production line for the standard knot according to claim 1, wherein the blanking transfer trolley freely travels along the track thereof between the repair welding and polishing mechanism and the gantry crane; the unloading is carried the top of dolly and is formed a rectangle and place the platform, it is equipped with a plurality of locating parts that are used for standard festival to place the joint to place the bench to place.
7. A welding line for standard knots according to claim 1, characterised in that said frame beams comprise two cross-beam bodies extending in a first direction, provided with means forming top runners, and a plurality of spaced-apart uprights for supporting the cross-beam bodies, said work area being formed near one side of one of the cross-beam bodies and centrally arranged below both cross-beam bodies.
8. The welding production line for the standard knot according to claim 1, wherein the gantry crane is configured into a double-beam structure and is provided with a hoisting clamp for the standard knot, and the hoisting clamp is correspondingly input to the hoisting clamp for up-and-down hoisting and opening and closing operations after the gantry crane performs sliding contact electricity taking along a top sliding rail; and, at least two gantry cranes are equipped to be used separately for feeding and discharging.
9. The welding production line for standard knots according to claim 1, characterized in that said welding mechanism comprises a welding robot, and a displacement table for defining the welding position of the standard knots; and two machine platforms that shift are opposite to each other through a rack and are set up, the rack is configured to can implement spacingly along X axle direction and Y axle direction with the standard festival that the hoist and mount come.
10. The welding production line for the standard knot according to claim 1, wherein the repair welding and polishing mechanism comprises a position changer with a clamping station, and a temporary storage rack for welding and a limiting rack for polishing which are arranged on two sides of the front end of the position changer, wherein the clamping station is controlled by the position changer to drive the standard knot to turn over and switch positions between the welding station on the temporary storage rack and the polishing station on the limiting rack.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211078488.0A CN115488558A (en) | 2022-09-05 | 2022-09-05 | Welding production line for standard knot |
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| CN202211078488.0A CN115488558A (en) | 2022-09-05 | 2022-09-05 | Welding production line for standard knot |
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