CN112792475B - Cross rod and joint welding equipment and synchronous welding method - Google Patents
Cross rod and joint welding equipment and synchronous welding method Download PDFInfo
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- CN112792475B CN112792475B CN202110317263.5A CN202110317263A CN112792475B CN 112792475 B CN112792475 B CN 112792475B CN 202110317263 A CN202110317263 A CN 202110317263A CN 112792475 B CN112792475 B CN 112792475B
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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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
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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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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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
Abstract
The invention relates to a cross rod and joint welding device and a synchronous welding method, wherein the device comprises a cross rod feeding station, two groups of joint feeding stations, a welding station and a blanking station; the cross rod feeding station, the welding station and the blanking station are arranged on the same production line; the two groups of joint feeding stations are respectively arranged at two sides of the welding station, the cross rod feeding station and the two groups of joint feeding stations work synchronously, the cross rod and the joints are synchronously conveyed into the welding station, and the two groups of joints are respectively conveyed to two ends of the cross rod by the two groups of joint feeding stations, so that accurate feeding action of the cross rod and the joints is realized; the welding station realizes synchronous welding of the cross rod and the joints at the two ends; the synchronous welding method uses the cross bar and joint welding equipment to complete the pre-welding and synchronous welding of the cross bar and the joint. The welding device integrates the cross rod feeding station, the connector feeding station, the welding station and the blanking station, realizes the quick welding of the cross rod and the connector, and realizes the synchronous welding of the cross rod and the connectors at two ends.
Description
Technical Field
The invention relates to the technical field of welding automation equipment, in particular to a welding device and a synchronous welding method for a cross rod and a joint.
Background
In industrial production, rod-shaped formed parts are frequently used, welding joints at two ends of the rod-shaped formed parts are needed when the rod-shaped formed parts are machined, manual welding is firstly carried out, automatic welding is developed later, traditional automatic welding is carried out by utilizing a plurality of welding robots or special machines, and the defects that the equipment investment cost is high, a plurality of operators are needed, the efficiency is low, the single manual welding is about 15-20 s/piece, the quality is unstable and difficult to control, the welding quality needs to be checked in a subsequent process, the occupied area is large and the like exist.
And, current automatic welding equipment can't realize the synchronous welding of the horizontal pole and the joint at both ends, and concrete reason is mainly when welding horizontal pole and joint, needs to weld the periphery of joint, but the welder position among the welding equipment is fixed, just so need drive the joint rotatory, if realize the synchronous welding at both ends, just need control both ends and connect the same rotation time and rotation rate, two kinds of solution have been proposed among the prior art, one kind is automatically controlled synchronization method: namely, the PLC electric cabinet is used for driving the rotating mechanisms of the joints at the two ends to synchronously rotate; the other is a mechanical control synchronization method: namely, the joints at the two ends are driven to synchronously rotate by a mechanical transmission shaft; the electric control synchronization method is simple in structure, but rotation errors exist in the long-term use process, and complete synchronization cannot be achieved; the mechanical control synchronization method can realize complete synchronization, but adds a mechanical transmission shaft, has a complex structure, and has large mechanical loss because the cross rod is longer and synchronously transmits the joints at the two ends of the cross rod.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the problem that the two ends of the cross rod cannot be synchronously welded in the prior art, and provide a cross rod and joint welding device and a synchronous welding method.
In order to solve the technical problem, the invention provides a welding device for a cross rod and joints, which is used for synchronously welding the cross rod and the joints positioned at two ends of the cross rod and comprises a cross rod feeding station, two groups of joint feeding stations, a welding station and a blanking station;
the welding station is divided into an upper welding frame and a lower material moving frame, the upper welding frame is provided with two groups of symmetrically arranged connector overturning and material moving mechanisms and two groups of symmetrically arranged welding and positioning mechanisms, and the lower material moving frame is provided with a cross rod material moving mechanism, a cross rod support frame and two groups of symmetrically arranged connector rotating mechanisms;
the cross rod feeding station, the welding station and the blanking station are arranged on the same production line, and the cross rod moving mechanism is used for connecting the cross rod feeding station and the blanking station to realize the transportation of the cross rod among the cross rod feeding station, the cross rod support frame and the blanking station; the two groups of joint feeding stations are respectively arranged on two sides of the welding station, the joint overturning and moving mechanism is used for connecting the joint feeding station with the joint rotating mechanism, and the two groups of joint overturning and moving mechanisms synchronously realize transportation of the joints between the joint feeding station and the welding station.
In one embodiment of the invention, the cross rod loading station comprises a storage bin, an engagement material moving frame and a sequencing material distributing frame; the splicing material moving frame is arranged between the stock bin and the sorting material distributing frame and is used for receiving the cross rods falling from the stock bin and conveying the cross rods to the sorting material distributing frame; the sorting and distributing frame comprises a support frame extending along the discharging direction of the cross rod, wherein the support frame is provided with a plurality of stages of inclined steps, the plurality of stages are connected end to end, a cross rod limiting groove is formed at the joint of the lower position and the upper position of the two adjacent stages of steps, and a cross rod feeding jacking mechanism for pushing the cross rod is arranged below the cross rod limiting groove;
when the cross rod in the stock bin is fallen on the sequencing branch material frame from the nearest step of the linking shift material frame by the linking shift material frame, the cross rod slides to the cross rod limiting groove along the step, the cross rod is jacked up from the cross rod limiting groove by the cross rod loading jacking mechanism, the cross rod slides to the cross rod limiting groove of the next step, and the cross rod reaches the cross rod limiting groove of the step farthest from the linking shift material frame under the drive of the cross rod loading jacking mechanisms.
In one embodiment of the invention, the joint feeding station comprises a feeding vibration disc, a feeding channel, a pushing assembly, a material placing platform, a material moving platform and a clamping assembly, the pushing assembly is arranged at the outlet of the feeding channel, used for pushing one joint in the feeding channel to the material placing platform and stopping the rest joints outside the material placing platform, the clamping component is arranged on the material moving platform, the material moving platform drives the clamping component to grab the joint from the material placing platform, and the joints are moved to the feeding position of the material placing platform, a plurality of groups of clamping components are arranged on the material moving platform, the plurality of groups of clamping components synchronously grab a plurality of joints on the material placing platform, under the drive of the material moving platform, the plurality of joints are moved to a material loading position, and sequencing and loading of the plurality of joints on the material placing platform are achieved.
In one embodiment of the invention, four groups of sliding assemblies moving along the upper welding frame are arranged on the upper welding frame, two groups of joint overturning and material moving mechanisms are symmetrically arranged on the two groups of sliding assemblies positioned on the outer side, and two groups of welding positioning mechanisms are symmetrically arranged on the two groups of sliding assemblies positioned on the inner side.
In one embodiment of the invention, the joint overturning and material moving mechanism comprises an overturning air cylinder, an overturning air cylinder mounting block used for mounting the overturning air cylinder on the sliding assembly and a joint clamping jaw arranged at the end part of the overturning air cylinder, wherein the joint clamping jaw is driven by the overturning air cylinder to rotate 90 degrees after grabbing a joint from a joint feeding station, and the joint is placed into the joint rotating mechanism.
In one embodiment of the invention, the welding positioning mechanism comprises a guide assembly, a pressing positioning assembly and a welding assembly which are arranged on the sliding assembly, the guide assembly, the pressing positioning assembly and the welding assembly are sequentially arranged above the cross rod along the extending direction of the cross rod, the guide assembly limits the position of the cross rod and prevents the cross rod from moving laterally on the cross rod supporting frame, the pressing positioning assembly applies pressure to the direction of the cross rod to press the cross rod against the cross rod supporting frame, and the welding assembly is used for welding the cross rod and the joint.
In an embodiment of the invention, the cross rod material moving mechanism comprises a material moving slide rail and a material moving platform moving along the material moving slide rail, the material moving slide rail is arranged in an extending manner along the cross rod loading station, the welding station and the blanking station, a cross rod placing groove for placing a cross rod is arranged on the material moving platform, and a material moving platform lifting mechanism for driving the material moving platform to lift is arranged below the material moving platform.
In one embodiment of the present invention, the active rotation mechanism includes at least two sets of rotating shafts arranged in parallel, a rotating shaft driving and controlling assembly and a joint clamping assembly are disposed at two ends of each set of rotating shaft, and the rotating shaft driving and controlling assembly includes a driving assembly for driving the rotating shaft to rotate and a control assembly for controlling a rotation angle of the driving assembly;
the driving assembly comprises a rotating shaft gear, a rack, a driving wheel and a driving source, wherein the rotating shaft gear is sleeved on the periphery of the rotating shaft, the rack is meshed with the rotating shaft gear, the driving wheel is meshed with the rack and drives the rack to move, a plurality of groups of rotating shaft gears are meshed with the same rack, the driving source drives the driving wheel to rotate and transmit the rotation to each rotating shaft gear through the rack, the plurality of groups of rotating shaft gears rotate synchronously, and the rotating time and the rotating angle of the plurality of groups of rotating shaft gears are the same;
the control assembly is including setting up anti-dazzling screen on the action wheel and with anti-dazzling screen complex grating reading head, the action wheel rotates a week every time, anti-dazzling screen shelters from the grating reading head once, through setting up grating reading head count, controls the number of revolutions of action wheel to the rotatory angle of control pivot gear.
In one embodiment of the invention, the blanking station comprises a blanking transfer manipulator and a blanking bin, the blanking transfer manipulator moves between the cross rod transfer mechanism and the blanking bin, and the blanking transfer manipulator grabs the welded cross rod from the cross rod transfer mechanism to place the welded cross rod into the blanking bin.
In order to solve the technical problem, the invention also provides a method for synchronously welding the cross rod and the joint, which uses the welding equipment for welding the cross rod and the joint to synchronously weld the cross rod and the joint and comprises the following steps:
s1, sequencing and feeding a plurality of groups of cross rods and joints through a cross rod feeding station and a joint feeding station;
s2, transferring the joint from the joint feeding station to the joint rotating mechanism through the joint overturning and transferring mechanism, and ensuring that the joints are placed in the joint rotating mechanisms on the two sides of the cross rod in the same state; a cross rod on a cross rod feeding station is received through a cross rod moving mechanism, and the cross rod is placed on a cross rod support frame;
s3, pressing and fixing the cross rod on the cross rod support frame through the welding positioning mechanism, and pre-welding the connection part of the cross rod and the joints at the two sides;
s4, the driving rotating mechanism drives the joint on one side to rotate, the power of the driving rotating mechanism is transmitted to the driven rotating mechanism through the cross rod, synchronous rotation of the two joint rotating mechanisms is achieved, and in the synchronous rotation, the cross rod and the peripheries of the joints on the two sides are welded through the welding positioning mechanism;
s5, after welding, the cross rod moving mechanism takes the cross rod down from the cross rod support frame, drives the cross rod to a blanking station, and completes blanking action of the welded cross rod in the blanking station.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the welding equipment for the cross rod and the joint, the cross rod feeding station, the joint feeding station, the welding station and the blanking station are integrated, so that accurate feeding action of the cross rod and the joint is realized, and the cross rod and the joint can be quickly welded, and the welding equipment has the advantages of high automation degree, high efficiency, few operators, simplicity in operation, stable product welding quality and small occupied area; one of the two joint rotating mechanisms is a driving rotating mechanism, the other joint rotating mechanism is a driven rotating mechanism, power of the driving rotating mechanism is transmitted to the driven rotating mechanism through the cross rod, synchronous rotation of the two joint rotating mechanisms is achieved, and therefore synchronous welding of the cross rod and the joints at two ends is achieved.
The cross bar and joint synchronous welding method provided by the invention has the advantages that the cross bar and joint welding equipment is used, the same placing state of the joints at the two ends of the cross bar in the joint rotating mechanisms positioned at the two sides of the cross bar is ensured in the process of loading the joints, the joints at the two ends and the cross bar are pre-welded, the cross bar becomes a power transmission rod for transmitting the joints to synchronously rotate, and the synchronous welding is ensured under the condition that a mechanical transmission shaft is not added.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of the overall construction of the cross bar and joint welding apparatus of the present invention;
FIG. 2 is a schematic view of the overall structure of the upper welding frame of the present invention;
FIG. 3 is a schematic view of the overall construction of the lower transfer frame of the present invention;
FIG. 4 is a schematic structural view of a cross bar loading station of the present invention;
FIG. 5 is a schematic structural view of a joint loading station of the present invention;
FIG. 6 is a schematic structural diagram of the joint overturning and material moving mechanism of the present invention;
FIG. 7 is a schematic structural view of the weld positioning mechanism of the present invention;
FIG. 8 is a schematic structural view of a cross bar material moving mechanism of the present invention;
fig. 9 is a schematic structural view of the active rotary mechanism of the present invention;
FIG. 10 is a schematic structural view of a blanking station of the present invention;
FIG. 11 is a flow chart of a cross bar and joint synchronous welding method of the present invention.
The specification reference numbers indicate: 1. a cross bar feeding station; 11. a storage bin; 12. connecting the material transferring frames; 13. sorting the material distributing frames; 131. a support frame; 132. a step; 133. a cross bar limiting groove; 134. a cross bar feeding jacking mechanism; 2. a joint feeding station; 21. a feeding channel; 22. a material pushing assembly; 23. a material placing platform; 24. a material moving platform; 25. a gripping assembly; 3. a welding station; 31. the joint overturning and material moving mechanism; 311. turning over the air cylinder; 312. overturning the cylinder mounting block; 313. a connector jaw; 32. a welding positioning mechanism; 321. a guide assembly; 322. a pressing and positioning component; 323. welding the assembly; 33. a slipping component; 34. a cross bar moving mechanism; 341. a material moving slide rail; 342. a material moving platform; 343. a transverse rod placing groove; 344. a material moving platform lifting mechanism; 35. a cross bar support frame; 36. a joint rotating mechanism; 361. a rotating shaft; 362. a rotating shaft driving and controlling component; 3621. a spindle gear; 3622. a rack; 3623. a driving wheel; 3624. a drive source; 3625. a shading sheet; 3626. a grating reading head; 363. a joint clamping assembly; 4. a blanking station; 41. a blanking transfer manipulator; 42. and (5) discharging the material bin.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1, the welding equipment for the cross rod and the joints is used for synchronously welding the cross rod and the joints positioned at two ends of the cross rod, and comprises a cross rod feeding station 1, two groups of joint feeding stations 2, a welding station 3 and a blanking station 4, wherein the cross rod feeding station 1, the welding station 3 and the blanking station 4 are arranged on the same production line; the two groups of joint feeding stations 2 are respectively arranged at two sides of the welding station 3, the cross rod feeding station 1 and the two groups of joint feeding stations 2 work synchronously to convey the cross rod and the joints to the welding station 3 synchronously, and the two groups of joints are conveyed to two ends of the cross rod by the two groups of joint feeding stations 2 respectively, so that accurate feeding of the cross rod and the joints is realized; and the welding station 3 realizes synchronous welding of the cross rod and the joints at the two ends.
Specifically, the welding station 3 is divided into an upper welding frame and a lower material moving frame.
Referring to fig. 2, the upper welding frame is provided with two sets of symmetrically arranged joint overturning and material moving mechanisms 31 and two sets of symmetrically arranged welding positioning mechanisms 32, the upper welding frame is provided with four sets of sliding assemblies 33 moving along the upper welding frame, the two sets of joint overturning and material moving mechanisms 31 are symmetrically arranged on the two sets of sliding assemblies 33 arranged on the outer side, and the two sets of welding positioning mechanisms 32 are symmetrically arranged on the two sets of sliding assemblies 33 arranged on the inner side.
Referring to fig. 3, a cross bar material moving mechanism 34, a cross bar support frame 35 and two groups of symmetrically arranged joint rotating mechanisms 36 are arranged on the lower layer material moving frame; a channel is formed between the two groups of symmetrically arranged joint rotating mechanisms 36, and the cross rod material moving mechanism 34 and the cross rod supporting frame 35 are arranged in the channel.
Specifically, the joint overturning and material moving mechanisms 31 are used for connecting the joint feeding station 2 and the joint rotating mechanisms 36, and the two groups of joint overturning and material moving mechanisms 31 synchronously realize the transportation of the joints between the joint feeding station 2 and the welding station 3; the welding positioning mechanisms 32 guide and fix the position of the cross rod, weld the joint of the cross rod and the joint, and the two groups of welding positioning mechanisms 32 synchronously weld the cross rod and the joints at the two ends of the cross rod; the cross bar moving mechanism 34 is used for connecting the cross bar feeding station 1 and the blanking station 4 to realize transportation of cross bars among the cross bar feeding station 1, the cross bar supporting frame 35 and the blanking station 4, the cross bar moving mechanism 34 receives cross bars falling from the cross bar feeding station 1 and conveys the cross bars to the cross bar supporting frame 35, and after welding is completed on the cross bar supporting frame 35, the cross bars are conveyed to the blanking station 4; one of the two sets of joint rotating mechanisms 36 is a driving rotating mechanism, the other set of joint rotating mechanisms is a driven rotating mechanism, and the power of the driving rotating mechanism is transmitted to the driven rotating mechanism through the cross rod, so that the two sets of joint rotating mechanisms 36 synchronously rotate.
Referring to fig. 4, the cross bar loading station includes a bin 11, an engaging material moving frame 12 and a sorting material distributing frame 13; the connecting material moving frame 12 is arranged between the stock bin 11 and the sorting material distributing frame 13, and the connecting material moving frame 12 is used for receiving the cross rods falling from the stock bin 11 and conveying the cross rods to the sorting material distributing frame 13; the sequencing and distributing frame 13 comprises a support frame 131 extending along the cross bar discharging direction, a plurality of stages of inclined steps 132 are arranged on the support frame 131, the plurality of stages of steps 132 are connected end to end, a cross bar limiting groove 133 is formed at the joint of the lower position and the upper position of the adjacent two stages of steps 132, and a cross bar feeding jacking mechanism 134 for pushing the cross bar is arranged below the cross bar limiting groove 133;
when the cross bar in the stock bin 11 is dropped on the step 132 closest to the connecting material-moving frame 12 on the sorting material-distributing frame 13 by the connecting material-moving frame 12, the cross bar slides to the cross bar limiting groove 133 along the step 132, the cross bar is jacked up from the cross bar limiting groove 133 by the cross bar loading jacking mechanism 134, the cross bar slides to the cross bar limiting groove 133 of the next-stage step 132, and the cross bar reaches the cross bar limiting groove 133 of the step 132 farthest from the connecting material-moving frame 12 under the driving of the plurality of cross bar loading jacking mechanisms 134.
In the cross rod feeding station 1 in the embodiment, the linking material moving frame 12 is arranged between the stock bin 11 and the sequencing material distributing frame 13, the linking material moving frame 12 is adopted to receive cross rods falling from the stock bin 11 and convey the cross rods to the sequencing material distributing frame 13, the linking material moving frame 12 can prevent the cross rods in the stock bin 11 from directly falling into the sequencing material distributing frame 13, only one cross rod in single blanking can be ensured to fall into the sequencing material distributing frame 13 through transition of the linking material moving frame 12, and the feeding accuracy is improved;
and, adopt sequencing branch work or material rest 13 to transport many horizontal poles layer by layer to the horizontal pole spacing groove 133, realize the interval sequencing branch of horizontal pole, improve single material loading quantity to improve material loading efficiency.
Referring to fig. 5, the joint feeding station 2 includes a feeding vibration tray, a feeding channel 21, a pushing assembly 22, a material placing platform 23, a material moving platform 24, and a clamping assembly 25, where the pushing assembly 22 is disposed at an outlet of the feeding channel 21 and is configured to push one joint in the feeding channel 21 to the material placing platform 23 and stop other joints outside the material placing platform 23, the clamping assembly 25 is disposed on the material moving platform 24, the material moving platform 24 drives the clamping assembly 25 to grab joints from the material placing platform 23 and move the joints to a feeding position of the material placing platform 23, the material moving platform 24 is provided with a plurality of groups of clamping assemblies 25, the plurality of groups of clamping assemblies 25 synchronously grab the joints on the material placing platform 23, and the joints are moved to the feeding position under the driving of the material moving platform 24, the sequencing and feeding of a plurality of joints on the material placing platform 23 are realized.
In the connector feeding station 2 of the embodiment, the pushing assembly 22 is arranged at an outlet of the feeding channel 21, one connector is pushed to the material placing platform 23 through the pushing assembly 22, and the other connectors are stopped outside the material placing platform 23, so that the feeding action of only one connector can be completed by single feeding, the situation of mistaken blanking of simultaneous blanking of a plurality of connectors is prevented, and the accuracy of connector feeding is improved;
and it gets subassembly 25 to be provided with the multiunit clamp on moving material platform 24, and the multiunit clamp is got subassembly 25 and is got the joint on the subassembly 23 of grabbing in step to the horizontal slip is placed, realizes the sequencing material loading of a plurality of joints on putting material platform 23, can put a plurality of joints of material platform 23 synchronous material loading, improves single material loading quantity, thereby improves material loading efficiency.
Referring to fig. 6, the joint overturning and material moving mechanism 31 includes an overturning cylinder 311, an overturning cylinder mounting block 312 for mounting the overturning cylinder 311 on the sliding assembly 33, and a joint clamping jaw 313 arranged at an end of the overturning cylinder 311, and after the joint is grabbed by the joint clamping jaw 313 from the joint feeding station 2, the joint is driven by the overturning cylinder 311 to rotate 90 °, and the joint is placed into the joint rotating mechanism 36.
In this embodiment, it connects upset to move material mechanism 31 to be provided with the multiunit on the subassembly 33 that slides, and multiunit connects upset to move material mechanism 31 synchronous working, improves work efficiency.
Referring to fig. 7, the welding positioning mechanism 32 includes a guide assembly 321, a pressing positioning assembly 322, and a welding assembly 323 disposed on the sliding assembly 33, the guide assembly 321, the pressing positioning assembly 322, and the welding assembly 323 are sequentially disposed above the cross bar along the extending direction of the cross bar, the sliding assembly 33 drives the guide assembly 321, the pressing positioning assembly 322, and the welding assembly 323 to move to the welding position of the cross bar, the guide assembly 321 and the pressing positioning assembly 322 act on the cross bar synchronously, the guide assembly 321 limits the position of the cross bar to prevent the cross bar from moving laterally on the cross bar support frame 35, the pressing positioning assembly 322 applies pressure to the cross bar direction to press the cross bar against the cross bar support frame 35, and the welding assembly 323 is used to weld the cross bar and the joint.
The integrated direction subassembly 321 of welding position mechanism 32 in this embodiment, compress tightly locating component 322 and welding subassembly 323, the realization is to the direction of horizontal pole, compress tightly the location, and with the welding action that connects, at welded joint's in-process, guarantee to connect the fixed with the horizontal pole relative position, improve the welding precision to drive direction subassembly 321, compress tightly locating component 322 and welding subassembly 323 and move the assigned position through setting up upper welding frame and sliding assembly 33, improve welding efficiency.
Referring to fig. 8, the cross bar transferring mechanism 34 includes a transferring slide rail 341 and a transferring platform 342 moving along the transferring slide rail 341, the transferring slide rail 341 extends along the cross bar loading station 1, the welding station 3 and the unloading station 4, a cross bar placing groove 343 for placing a cross bar is provided on the transferring platform 342, a transferring platform lifting mechanism 344 for driving the transferring platform 342 to lift is provided below the transferring platform 342, the transferring platform 342 of this embodiment first moves below the cross bar loading station 1 along the transferring slide rail 341, the transferring platform lifting mechanism 344 drives the transferring platform 342 to move upwards, the transferring platform 342 receives the cross bar on the sorting and distributing frame 13 and drives the cross bar to move above the cross bar supporting frame 35 along the transferring slide rail 341, at this time, the transferring platform lifting mechanism 344 drives the transferring platform 342 to move downwards, the cross bar is placed on the cross bar supporting frame 35, after the welding is completed, the material moving table lifting mechanism 344 drives the material moving table 342 to move upwards again, and the material moving table 342 receives the cross rod on the cross rod support frame 35 and drives the cross rod to move to the blanking station 4 along the material moving slide rail 341.
Referring to fig. 9, the active rotation mechanism includes at least two sets of rotating shafts 361 arranged in parallel, a rotating shaft driving and controlling assembly 362 and a joint clamping assembly 363 are disposed at two ends of each set of rotating shaft 361, and the rotating shaft driving and controlling assembly 362 includes a driving assembly for driving the rotating shafts 361 to rotate and a control assembly for controlling a rotation angle of the driving assembly;
the driving assembly comprises a rotating shaft gear 3621 sleeved on the periphery of the rotating shaft 361, a rack 3622 meshed with the rotating shaft gear 3621, a driving wheel 3623 meshed with the rack 3622 and driving the rack 3622 to move and a driving source 3624, wherein a plurality of groups of rotating shaft gears 3621 are meshed with the rack 3622, the driving source 3624 drives the driving wheel 3623 to rotate and transmit the rotation to each rotating shaft gear 3621 through the rack 3622, the plurality of groups of rotating shaft gears 3621 rotate synchronously, and the rotating time and the rotating angle of the plurality of groups of rotating shaft gears 3621 are the same;
the control assembly comprises a light shielding sheet 3625 arranged on the driving wheel 3623 and a grating reading head 3626 matched with the light shielding sheet 3625, wherein the driving wheel 3623 rotates for one circle every time, the light shielding sheet 3625 shields the grating reading head 3626 once, and the rotation number of the driving wheel 3623 is controlled by counting the grating reading head 3626, so that the rotation angle of the rotating shaft gear 3621 is controlled.
The driving rotating mechanism of the embodiment is provided with a plurality of groups of rotating shafts 361, the plurality of groups of rotating shafts 361 are driven to rotate by the same driving source 3624 and the rack 3622 in the driving assembly, so that the rotating shafts 361 are ensured to rotate synchronously, and the rotating time and the rotating angle are ensured to be the same, thereby realizing the synchronous welding of two joints and improving the welding efficiency;
through the cooperation of the anti-dazzling screen 3625 in the control assembly and the cooperation of grating reading head 3626, when action wheel 3623 rotates a week, anti-dazzling screen 3625 shelters from grating reading head 3626 once, realize a count of grating reading head 3626, count through setting up grating reading head 3626, thereby control action wheel 3623's number of revolutions, thereby control the rotatory angle of pivot gear 3621, avoid appearing repeated welding and leak the welded condition, improve the welded precision.
Referring to fig. 10, the blanking station 4 includes a blanking transfer manipulator 41 and a blanking bin 42, the blanking transfer manipulator 41 moves between the cross bar moving mechanism 34 and the blanking bin 42, and the blanking transfer manipulator 41 grabs the welded cross bar from the cross bar moving mechanism 34 and places the welded cross bar into the blanking bin 42.
Referring to fig. 11, the method for synchronously welding the cross bar and the joint, provided by the invention, uses cross bar and joint welding equipment to complete synchronous welding of the cross bar and the joint, and comprises the following steps:
s1, sequencing and feeding a plurality of groups of cross bars and joints through a cross bar feeding station 1 and a joint feeding station 2;
s2, transferring the joint from the joint feeding station 2 to the joint rotating mechanism 36 through the joint overturning and transferring mechanism 31, and ensuring that the placing states of the joint in the joint rotating mechanisms 36 on the two sides of the cross rod are the same; a cross bar on the cross bar feeding station 1 is received through a cross bar moving mechanism 34, and the cross bar is placed on a cross bar support frame 35;
s3, the cross rod is pressed and fixed on the cross rod support frame 35 through the welding positioning mechanism 32, and the joints of the cross rod and the joints on the two sides are pre-welded;
s4, the driving rotating mechanism drives the joint on one side to rotate, the power of the driving rotating mechanism is transmitted to the driven rotating mechanism through the cross rod, synchronous rotation of the two groups of joint rotating mechanisms 36 is achieved, and in the synchronous rotation, the cross rod and the peripheries of the joints on the two sides are welded through the welding positioning mechanism 32;
s5, after welding, the cross bar moving mechanism 34 takes the cross bar off the cross bar support frame 35, drives the cross bar to the blanking station 4, and completes the blanking action of the welded cross bar in the blanking station 4.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. The utility model provides a horizontal pole and joint welding equipment for the horizontal pole with be located the synchronous welding that horizontal pole both ends connect, its characterized in that: the welding device comprises a cross rod feeding station, two groups of joint feeding stations, a welding station and a blanking station;
the cross rod feeding station comprises a stock bin, a connecting material moving frame and a sequencing material distributing frame; the splicing material moving frame is arranged between the stock bin and the sorting material distributing frame and is used for receiving the cross rods falling from the stock bin and conveying the cross rods to the sorting material distributing frame; the sorting and distributing frame comprises a support frame extending along the discharging direction of the cross rod, wherein the support frame is provided with a plurality of stages of inclined steps, the plurality of stages are connected end to end, a cross rod limiting groove is formed at the joint of the lower position and the upper position of the two adjacent stages of steps, and a cross rod feeding jacking mechanism for pushing the cross rod is arranged below the cross rod limiting groove;
when a cross rod in the storage bin falls on the step which is closest to the linking material moving frame on the sequencing material distributing frame through the linking material moving frame, the cross rod slides into a cross rod limiting groove along the step, the cross rod is jacked up from the cross rod limiting groove by the cross rod loading jacking mechanism and slides into a cross rod limiting groove of the next step, and the cross rod reaches the cross rod limiting groove of the step which is farthest from the linking material moving frame under the driving of the plurality of cross rod loading jacking mechanisms;
the welding station is divided into an upper welding frame and a lower material moving frame, the upper welding frame is provided with two groups of symmetrically arranged connector overturning and material moving mechanisms and two groups of symmetrically arranged welding and positioning mechanisms, and the lower material moving frame is provided with a cross rod material moving mechanism, a cross rod support frame and two groups of symmetrically arranged connector rotating mechanisms;
the cross rod feeding station, the welding station and the blanking station are arranged on the same production line, and the cross rod moving mechanism is used for connecting the cross rod feeding station and the blanking station to realize the transportation of the cross rod among the cross rod feeding station, the cross rod support frame and the blanking station; the two groups of joint feeding stations are respectively arranged at two sides of the welding station, the joint overturning and moving mechanism is used for connecting the joint feeding station with the joint rotating mechanism, and the two groups of joint overturning and moving mechanisms synchronously realize the transportation of the joint between the joint feeding station and the welding station;
one of the two joint rotating mechanisms is a driving rotating mechanism, the other joint rotating mechanism is a driven rotating mechanism, and the power of the driving rotating mechanism is transmitted to the driven rotating mechanism through the cross rod, so that the two joint rotating mechanisms synchronously rotate.
2. The cross-bar and joint welding apparatus of claim 1, wherein: the joint material loading station includes material loading vibration dish, material loading passageway, pushes away the material subassembly, puts the material platform, moves the material platform and gets the subassembly with pressing from both sides, it sets up in the exit of material loading passageway to push away wherein one in the material loading passageway connects the propelling movement extremely put on the material platform, and with all the other joints backstop put outside the material platform, press from both sides the subassembly and set up on moving the material platform, it drives to move the material platform press from both sides and get the subassembly follow it snatchs the joint to put on the material platform, and move the joint extremely the material loading position of putting the material platform, it gets the subassembly to be provided with the multiunit clamp on the material platform, the multiunit clamp is got the subassembly and is snatched in step a plurality of joints on putting the material platform move under the drive of material platform, will be a plurality of the joint moves to the material loading position, realize a plurality of joints be in arrange the material loading on the material platform.
3. The cross-bar and joint welding apparatus of claim 1, wherein: the upper welding frame is provided with four groups of sliding assemblies moving along the upper welding frame, the joint overturning and material moving mechanisms are symmetrically arranged on the two groups of sliding assemblies positioned on the outer side, and the welding positioning mechanisms are symmetrically arranged on the two groups of sliding assemblies positioned on the inner side.
4. The cross-bar and joint welding apparatus of claim 3, wherein: the joint overturning and material moving mechanism comprises an overturning air cylinder, an overturning air cylinder installation block and a joint clamping jaw, wherein the overturning air cylinder installation block is used for installing the overturning air cylinder on the sliding assembly, the joint clamping jaw is arranged at the end part of the overturning air cylinder, and the joint clamping jaw drives the joint to rotate 90 degrees through the overturning air cylinder after grabbing the joint from a joint feeding station, and puts the joint into the joint rotating mechanism.
5. The cross-bar and joint welding apparatus of claim 3, wherein: welding position mechanism is including setting up direction subassembly, compressing tightly locating component and the welding subassembly on the subassembly that slides, direction subassembly, compressing tightly locating component and welding subassembly set gradually in the horizontal pole top along the extending direction of horizontal pole, the position of horizontal pole is injectd to the direction subassembly, prevents that the horizontal pole from side to side movement on the horizontal pole support frame, compress tightly locating component and apply pressure to the horizontal pole direction and support the horizontal pole and press on the horizontal pole support frame, the welding subassembly is used for realizing the welding to horizontal pole and joint.
6. The cross-bar and joint welding apparatus of claim 1, wherein: the horizontal pole moves material mechanism including moving the material slide rail and moving the material platform along moving the material slide rail and removing, move the material slide rail and follow horizontal pole material loading station, welding station and unloading station extend the setting, it is provided with the horizontal pole standing groove that is used for placing the horizontal pole to move the material bench, it is provided with the material platform elevating system that moves that drives and move the material platform and go up and down to move material platform below.
7. The cross-bar and joint welding apparatus of claim 1, wherein: the active rotating mechanism comprises at least two groups of rotating shafts which are arranged in parallel, a rotating shaft driving and controlling assembly and a connector clamping assembly are arranged at two ends of each group of rotating shafts, and each rotating shaft driving and controlling assembly comprises a driving assembly for driving the rotating shaft to rotate and a control assembly for controlling the rotating angle of the driving assembly;
the driving assembly comprises a rotating shaft gear, a rack, a driving wheel and a driving source, wherein the rotating shaft gear is sleeved on the periphery of the rotating shaft, the rack is meshed with the rotating shaft gear, the driving wheel is meshed with the rack and drives the rack to move, a plurality of groups of rotating shaft gears are meshed with the same rack, the driving source drives the driving wheel to rotate and transmit the rotation to each rotating shaft gear through the rack, the plurality of groups of rotating shaft gears rotate synchronously, and the rotating time and the rotating angle of the plurality of groups of rotating shaft gears are the same;
the control assembly is including setting up anti-dazzling screen on the action wheel and with anti-dazzling screen complex grating reading head, the action wheel rotates a week every time, anti-dazzling screen shelters from the grating reading head once, through setting up grating reading head count, controls the number of revolutions of action wheel to the rotatory angle of control pivot gear.
8. The cross-bar and joint welding apparatus of claim 1, wherein: the blanking station comprises a blanking transfer manipulator and a blanking bin, the blanking transfer manipulator moves between the cross rod material moving mechanism and the blanking bin, and the welded cross rod is grabbed from the cross rod material moving mechanism and placed in the blanking bin by the blanking transfer manipulator.
9. A cross bar and joint synchronous welding method is characterized in that: synchronous welding of a cross-bar to a joint is accomplished using the cross-bar and joint welding apparatus of any of the preceding claims 1-8, comprising the steps of:
s1, sequencing and feeding a plurality of groups of cross rods and joints through a cross rod feeding station and a joint feeding station;
s2, transferring the joint from the joint feeding station to the joint rotating mechanism through the joint overturning and transferring mechanism, and ensuring that the joints are placed in the joint rotating mechanisms on the two sides of the cross rod in the same state; a cross rod on a cross rod feeding station is received through a cross rod moving mechanism, and the cross rod is placed on a cross rod support frame;
s3, pressing and fixing the cross rod on the cross rod support frame through the welding positioning mechanism, and pre-welding the connection part of the cross rod and the joints at the two sides;
s4, the driving rotating mechanism drives the joint on one side to rotate, the power of the driving rotating mechanism is transmitted to the driven rotating mechanism through the cross rod, synchronous rotation of the two joint rotating mechanisms is achieved, and in the synchronous rotation, the cross rod and the peripheries of the joints on the two sides are welded through the welding positioning mechanism;
s5, after welding, the cross rod moving mechanism takes the cross rod down from the cross rod support frame, drives the cross rod to a blanking station, and completes blanking action of the welded cross rod in the blanking station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110317263.5A CN112792475B (en) | 2021-03-25 | 2021-03-25 | Cross rod and joint welding equipment and synchronous welding method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110317263.5A CN112792475B (en) | 2021-03-25 | 2021-03-25 | Cross rod and joint welding equipment and synchronous welding method |
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| CN112792475A CN112792475A (en) | 2021-05-14 |
| CN112792475B true CN112792475B (en) | 2021-08-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113907842B (en) * | 2021-10-19 | 2023-07-25 | 惠州市顺美医疗科技有限公司 | Bolt taking bracket and automatic production process thereof |
| CN117047395A (en) * | 2023-08-25 | 2023-11-14 | 太仓博宏机械有限公司 | Pipe fitting assembling and welding production line and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58181482A (en) * | 1982-04-16 | 1983-10-24 | Mitsubishi Heavy Ind Ltd | Welding device of pipe and flange |
| MXPA04001593A (en) * | 2001-08-20 | 2005-09-08 | Veri Tek International Corp | Shaft truing system. |
| CN202527836U (en) * | 2012-03-27 | 2012-11-14 | 梁尧忠 | Automatic welding machine for cross rods of scaffold |
| CN205043374U (en) * | 2015-10-10 | 2016-02-24 | 安徽卓良新材料有限公司 | Automatic horizontal pole welding machine of horizontal numerical control |
| CN205996430U (en) * | 2016-09-19 | 2017-03-08 | 任丘市金狮焊机制造有限公司 | Scaffold cross bar double automatic welding device |
| CN106695235B (en) * | 2017-03-10 | 2018-03-16 | 深圳一诺基业科技有限公司 | A kind of Full-automatic welding equipment |
| CN107775222B (en) * | 2017-12-08 | 2023-06-30 | 威海科莱默自动化设备股份有限公司 | Automatic spiral welding machine and welding method thereof |
| CN212705098U (en) * | 2020-06-02 | 2021-03-16 | 新疆福泰建设(集团)有限公司 | Tie rod welding device |
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