CN209157496U - Welding packing production line - Google Patents

Abstract

The utility model relates to the technical field of workpiece welding; in particular, it relates to a welding subassembly production line, which comprises a clamping station, a welding station, a blanking station and a control system arranged in sequence. The clamping station is provided with at least one assembly clamping tool, each assembly clamping tool is provided with a set of traverse trolleys, the clamping station is provided with a traverse track corresponding to the traverse trolley, and the clamping tool is arranged above the traverse track. The track is set to multiple sections, and the multiple sections of the electrified track are spliced together by a traversing trolley. The traversing trolley and the electrified track are equipped with a carrying trolley. The welding station is provided with at least one set of welding tooling, and the blanking station is equipped with blanking tooling , the traverse trolley, the clamping tool, the carrying trolley, the welding tool and the blanking tool are all connected to the control system. The utility model realizes automatic welding and transfer of auto parts, reduces labor intensity, improves welding precision and welding efficiency, and eliminates potential safety hazards.

Description

Welding sub-assembly production line

technical field

The utility model relates to the technical field of workpiece welding, in particular to a welding subassembly production line.

Background technique

In the production process of auto parts, it is necessary to cut the sheet into a suitable shape and then bend it, and then the bent sheet needs to be manually clamped and welded. At present, these sheets are mainly welded manually. However, manual welding has the following defects: 1. The welding precision is low, the speed is slow, and the labor intensity is high; 2. After the welding is completed, the plate transfer is difficult; work injury.

Utility model content

In order to solve the above-mentioned technical problems, the purpose of this utility model is to provide a welding sub-assembly production line, which realizes the automatic welding and transfer of auto parts, reduces labor intensity, improves welding precision and welding efficiency, and eliminates potential safety hazards.

The technical scheme adopted by the utility model for solving its technical problems is:

The welding and sub-assembly production line includes a clamping station, a welding station, a blanking station and a control system arranged in sequence. The above-mentioned stations are laid with live tracks along the way, and the clamping station is provided with at least one assembling and clamping tool. , a set of traverse trolleys are set corresponding to each assembling clamp tool, the clamping station is set with a traverse track corresponding to the traverse trolley, the clamping tool is set above the traverse track, and the electrified track is set to multiple sections, and the multiple sections of the electrified track pass through the traverse track. The trolleys are spliced together, the traverse trolley and the electrified track are matched with a carrying trolley, the welding station is provided with at least one set of welding tooling, the blanking station is equipped with a blanking tooling, the traversing trolley, the clamping tooling, The piggyback trolley, welding tool and blanking tool are all connected to the control system.

The live track is supported by good conductors, such as aluminum, stainless steel, etc. The mains power is stepped down to a safe voltage to supply power to the live track, and the carrying trolley adopts the RGV trolley or AGV trolley sold in the market. To meet the usage requirements, the power supply of the live track needs to be boosted by a booster circuit, and the booster circuit can adopt the existing circuit structure, which will not be described here. After bending, the scattered workpiece pieces are placed in the clamping station, and the clamping tool is used for clamping. After the carrying trolley reaches the traversing trolley, the traversing trolley drives the carrying trolley to move to the clamping station, and the workpiece after clamping is lowered. To the top surface of the piggyback trolley, and then move the trolley laterally to drive the piggyback trolley and the clamping tool with the workpiece to transfer to the welding station. Below the completed welding tooling, after the current welding work of the welding tooling is completed, the welding of the next assembled clamping workpiece is carried out. The welded workpiece is transferred to the quality inspection and repair welding station. If there is a need for repair welding in the quality inspection, repair welding is performed manually.

Preferably, the clamping tool includes a clamping table, a lifting assembly is arranged corresponding to the clamping table, and a transverse fixing member and a longitudinal fixing member are arranged on the clamping table corresponding to the workpiece.

The longitudinal fixing member includes a plurality of placement grooves, longitudinal pressing blocks and longitudinal driving members, the workpiece is fixed by each placing groove, and longitudinal pressing blocks are respectively arranged corresponding to each placing groove, and the longitudinal pressing blocks are connected to the longitudinal driving member through longitudinal pressing arms. At the movable end, the longitudinal driving member is fixed on the clamping table; the lateral fixing member includes a lateral pressing block, a lateral pressing arm and a lateral driving member, the movable end of the lateral driving member is connected with the lateral pressing arm, and the lateral pressing arm is connected to the lateral pressing arm through a rotating shaft. The pressing block is hinged, and the lateral pressing block is arranged on one side of the workpiece.

When using, first manually place the workpiece in the placement groove, and the number and distribution of the placement grooves are adaptively set according to the shape of the workpiece to be clamped. Taking the K-beam as an example, the setting corresponds to one long side of the K-beam. Three placement grooves, two placement grooves are set corresponding to the two short sides of the K-beam, and the lateral pressing block is set on the outside of the long side of the K-shaped beam. Press the workpiece to clamp it longitudinally, and at the same time, the lateral pressing block presses the long side of the K-shaped beam laterally under the action of the lateral pressing arm, and the lateral and longitudinal directions of the K-shaped beam are fixed. Both the transverse driving member and the longitudinal driving member can be air cylinders or electric cylinders. The movable end of the longitudinal driving member is hinged with one end of the longitudinal pressing arm, and the other end of the longitudinal pressing arm is fixedly connected with the longitudinal pressing block. When the movable end of the longitudinal driving member rises, the longitudinal pressing The block is lowered to compress the workpiece, and the action principle of the lateral fixing piece is the same as that of the longitudinal fixing piece.

Further preferably, the lift assembly includes a lift drive motor, a main drive gear, a drive chain, a nut screw pair and a tensioning wheel. The nut screw pair is provided with four pairs corresponding to the four corners of the bottom surface of the clamping table. The lift drive The motor shaft is connected to the main drive gear, the main drive gear drives the rest of the auxiliary drive gears through the transmission chain, the center of the main drive gear and the auxiliary drive gear are each connected to a set of lead screws of a nut-screw pair, and the threaded sleeve of the nut-screw pair is fixedly connected The support plate supporting the bottom surface of the clamping table, after the lift drive motor is started, the four threaded sleeves are driven to rotate through the main transmission gear, transmission chain and auxiliary transmission gear, thereby driving the lead screws of the four nut screw pairs to rise and fall, and then realize the installation For the lifting and lowering of the clamping table, in order to realize the fixing of the clamping table on the carrying trolley, the clamping positioning hole and the clamping positioning pin are set on the bottom surface of the clamping table and the top surface of the carrying trolley. The clamping positioning pin is inserted into the clamping positioning hole to prevent the relative movement between the clamping table and the carrying trolley.

Preferably, the traverse trolley includes a vehicle body, the top surface of the vehicle body is provided with a moving track, a lifting positioning pin and an in-position sensing device corresponding to the carrying trolley. Lifting positioning holes; the clamping station corresponding to the traverse trolley is also provided with a traverse positioning pin, and the traverse positioning pin is provided with a traverse positioning cylinder on the traverse trolley, and the traverse positioning cylinder piston rod is connected to the traverse positioning sleeve.

The car body includes a frame, an axle and a wheel. The frame is provided with an axle. The motor shaft drives the axle to rotate through a gear set. Wheels are installed at both ends of the axle. Action, put the traverse positioning sleeve on the traverse positioning pin to prevent the traverse trolley from shifting. After the clamping table and the carrying trolley are assembled, the traverse positioning cylinder piston rod is retracted, the traverse positioning pin is released, and the traverse positioning pin is released. Move the trolley and carry the trolley back to the electrified track and continue to transfer to the welding station.

Preferably, the welding tool includes a welding displacement mechanism and a welding mechanism, the welding mechanism includes two rows of support columns, a support beam is erected on the top surface of the support columns arranged in the same row, and a transverse rack is erected on each support beam. The traverse gear meshes with the traverse rack, the center of the traverse gear is connected to the welding traverse motor, the welding traverse motor is fixedly connected to the welding cantilever, the welding rack is fixed on the welding cantilever, the welding gear meshes with the welding gear, and the center of the welding gear is connected to the welding motor , the welding motor is fixedly connected with the welding robot, the welding displacement mechanism includes two positioners arranged opposite to the two welding robots, the positioner includes a displacement base, and the side of the displacement base is provided with a lifting track, and the lifting track A lifting tray is arranged on the upper part, and a displacement motor and a locking mechanism are arranged at the top of the displacement base.

Further preferably, the locking mechanism includes a locking base, a locking cylinder and a locking cone pin, the locking base is connected to the rotating shaft of the displacement motor, the locking cylinder is fixed on the locking base, and the cylinder piston is locked. The rod is connected with the locking taper pin, and the clamping table is provided with a locking hole corresponding to the locking pin.

Carrying a small vehicle-mounted clamping table to the bottom of the welding tool assigned by the welding station, the two ends of the clamping table are dragged by the lifting tray, and driven by the lifting rail, the clamping table reaches the displacement base, and the lock on the displacement base The piston rod of the tightening cylinder is extended, and the locking pin is inserted into the locking hole on the clamping table to lock the clamping table, and then the workpiece is welded by the welding robot. After the welding at the current position is completed, according to the preset welding process, The clamping table is driven by the displacement motor to rotate, the workpiece is rotated to the next welding angle, and welding is performed until the welding is completed. In order to prevent the lifting tray from interfering with the rotation of the clamping table during the welding process, after the clamping table is locked , the lifting tray moves down a certain distance. After the welding work is completed, it will return to the position of the displacement base. After locking the cylinder to release the clamping table, the lifting tray will transfer the clamping table to the carrying trolley, and the carrying trolley will clamp the The table is transferred to the next station.

Preferably, the blanking tooling includes two rows of gantry columns arranged side by side, a gantry beam is erected at the top of each row of gantry columns, and beam guide rails are set on both beam guide rails, and a beam slide frame is erected between the two beam guide rails through the beam slider, and the blanking The manipulator is slidably connected with the beam carriage through the left and right moving components, the left and right moving components are slidably connected with one side of the lifting square tube, the bottom end of the lifting square tube is fixedly connected with the unloading manipulator, and the lifting square tube is driven up and down by the lifting driving part.

The whole blanking tooling is supported by the gantry column and the gantry beam. The welded workpiece is driven by the carrying trolley to the position that needs to be blanked. Then, the blanking manipulator moves to the top of the workpiece along the traverse guide rail. If blanking The manipulator is not directly above the workpiece, and the blanking manipulator is adjusted to be directly above the workpiece by moving the component left and right, and then the lifting and driving parts act to drive the blanking manipulator to reach the upper surface of the workpiece, and the blanking manipulator grabs the workpiece and transfers it to the quality. Inspection and repair welding station. Considering that the workpieces clamped by different clamping tooling are different, the positions of the blanking tooling to be transferred are also different. For clear classification, install a barcode or radio frequency card for each clamping tooling, and set up information reading equipment on the blanking tooling. , the blanking manipulator reads the clamping tooling information before grabbing the workpiece, and then obtains the information of the currently grabbed workpiece, so as to transfer the workpiece to the appropriate position. The traverse guide rail can be electric or pneumatic.

Further preferably, the left and right moving assembly includes a fixed seat, a left and right driving motor, and a left and right moving rack, the left and right driving motors are fixed on the fixed seat, and the left and right driving motor rotating shaft is connected to the left and right moving rack through the left and right moving gear, and the left and right moving rack is fixed. On the beam carriage, the lifting square tube runs through the center of the manipulator fixing seat, and a lifting rack is installed on one side of the lifting square tube. The lifting rack is connected with the lifting gear, and the lifting gear is connected with the shaft of the lifting motor. The material manipulator adjusts the left and right positions by moving the components left and right, and realizes the lifting by lifting the square tube and the lifting motor. The rack and pinion method is adopted to ensure high position adjustment accuracy.

Further preferably, the unloading manipulator includes a suction cup and a suction cup fixing plate, a plurality of suction cups and position sensors are fixed on the suction cup fixing plate, the rotating shaft of the suction cup adjusting motor is meshed with the auxiliary adjusting gear through the main adjusting gear, the inner ring of the auxiliary adjusting gear is fixed to the bearing, and the inner ring of the bearing is fixed. The ring is a fixed ring, the inner ring of the bearing is fixedly connected to the lifting square tube, the outer ring of the bearing is fixedly connected to the suction cup fixing plate, the in-position sensor detects the relative distance between the suction cup and the workpiece, and stops the action of the lifting motor when it is in place. When grasping the workpiece, the suction cup angle can be adjusted 360° on the horizontal plane according to the structure of the workpiece to ensure the grasping effect of the blanking manipulator.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model realizes automatic welding and transfer of auto parts, reduces labor intensity, improves welding precision and welding efficiency, and eliminates potential safety hazards. After bending, the scattered workpiece pieces are placed in the clamping station, and the clamping tool is used for clamping. After the carrying trolley reaches the traversing trolley, the traversing trolley drives the carrying trolley to move to the clamping station, and the workpiece after clamping is lowered. To the top surface of the piggyback trolley, and then move the trolley laterally to drive the piggyback trolley and the clamping tool with the workpiece to transfer to the welding station. Below the completed welding tooling, after the current welding work of the welding tooling is completed, the welding of the next assembled clamping workpiece is carried out. The welded workpiece is transferred to the quality inspection and repair welding station. If there is a need for repair welding in the quality inspection, repair welding is performed manually.

Description of drawings

Figure 1 is a schematic diagram of the general assembly structure of the present utility model.

Figure 2 is a top view of the clamping tool.

Figure 3 is a perspective view of a clamping tool.

Figure 4 is a bottom view of the traverse trolley.

Fig. 5 is a perspective view of the traverse carriage.

Figure 6 is a left side view of the welding tool.

FIG. 7 is a front view of the welding displacement mechanism and the welding mechanism on the left side of the welding tool.

Figure 8 is a structural diagram of a carrying trolley.

Figure 9 is a structural diagram of a blanking tooling.

FIG. 10 is a partial enlarged view of part A in FIG. 9 .

Figure 11 is a structural diagram of a blanking tooling.

FIG. 12 is a partial enlarged view of part B in FIG. 11 .

In the figure: 1. Clamping station; 2. Welding station; 3. Live track; 4. Traverse trolley; 5. Clamping tool; 6. Clamping table; 10. Longitudinal pressing arm; 11. Horizontal pressing block; 12. Horizontal pressing arm; 13. Horizontal driving member; 14. K-beam; 15. Car body; 16. Moving track; ;18. Lifting cylinder; 19. Carrying trolley; 20. Traverse positioning cylinder; 21. Traverse positioning sleeve; 22. Frame; 23. Axle; 24. Wheel; 25. Electrical box; 26. Support column; 27 , support beam; 28, traverse rack; 29, traverse motor; 30, welding cantilever; 31, welding rack; 32, welding motor; 33, welding robot; 34, positioner; 35, position base; 36. Lifting track; 37. Lifting tray; 38. Positioning motor; 39. Locking mechanism; 40. Locking mechanism shell; 41. Locking fixing plate; 42. Locking taper pin; 43. Gantry column; 44, Gantry beam; 45, beam guide rail; 46, beam slider; 47, beam carriage; 48, blanking manipulator; 49, lifting square tube; 50, fixed seat; 51, left and right drive motor; 52, left and right moving rack; 53, lifting rack; 54, lifting motor; 55, suction cup; 56, suction cup fixing plate; 57, in-position sensor; 58, suction cup adjusting motor.

Detailed ways

The embodiments of the present utility model are further described below in conjunction with the accompanying drawings:

Example 1:

As shown in Figure 1 and Figure 8, the welding and sub-assembly production line of the present utility model includes a clamping station 1, a welding station 2, a blanking station and a control system that are arranged in sequence, and the above-mentioned stations are laid along the way. 3. The clamping station 1 is provided with at least one assembly clamping tool 5. Each assembly clamping tool 5 is provided with a set of traverse trolleys 4. The clamping station 1 corresponds to the traverse trolley 4 and is provided with a traverse track. The clamping tool 5 is arranged above the traverse track, the electrified track 3 is set as multi-segment, and the multi-segment electrified track 3 is spliced together by the traverse trolley 4, and the traverse trolley 4 and the electrified track 3 are matched with a carrying trolley 19. The welding station 2. At least one set of welding tooling is provided, the blanking station is provided with blanking tooling, the traverse trolley 4, the clamping tooling 5, the carrying trolley 19, the welding tooling and the blanking tooling are all connected to the control system, and the blanking tool is connected to the control system. It is located at the rear end of welding station 2, which is not shown in FIG. 1 .

The live track 3 is supported by good conductors, such as aluminum, stainless steel, etc. The mains power is stepped down to a safe voltage to supply power to the live track 3. As shown in Figure 8, the carrying trolley 19 is a commercially available RGV trolley or AGV trolley. Electricity is taken from the electrified track 3. In order to meet the usage requirements, the power supply of the electrified track 3 needs to be boosted by a booster circuit. After bending, the scattered workpiece pieces are placed in the clamping station 1, and the clamping tool 5 is used for clamping. After the piggyback trolley 19 reaches the traverse trolley 4, the traverse trolley 4 drives the piggyback trolley 19 to move to the clamping station 1. , the workpiece that has been clamped falls to the top surface of the trolley 19, and then the trolley 4 drives the trolley 19 and the clamping tool 5 with the workpiece to transfer to the welding station 2, and the control system judges the current work of the welding station 2 Progress, the piggyback trolley 19 moves with the clamping tool 5 to the bottom of the welding tool that is closest to completion. After the current welding work of the welding tool is completed, the welding of the next assembled clamping workpiece is carried out. After the welding is completed, the piggyback trolley 19 will complete the welding. The finished workpiece is transferred to the blanking station, and the welded workpiece is transferred to the quality inspection and repair welding station by the blanking tooling. If the quality inspection requires repair welding, repair welding is performed manually.

As shown in Figures 2-3, the clamping tool 5 includes a clamping table 6, a lifting assembly is arranged corresponding to the clamping table 6, and a transverse fixing member and a longitudinal fixing member are arranged on the clamping table 6 corresponding to the workpiece; Including a plurality of placement slots 7, longitudinal pressing blocks 8 and longitudinal driving members 9, the workpiece is fixed by each placement slot 7, and longitudinal pressing blocks 8 are respectively arranged corresponding to each placement slot 7, and the longitudinal pressing blocks 8 are connected to the longitudinal pressing arm 10. The movable end of the longitudinal driving member 9 is fixed on the clamping table 6; the transverse fixing member includes a transverse pressing block 11, a transverse pressing arm 12 and a transverse driving member 13, and the movable end of the transverse driving member 13 is connected to the transverse The pressing arm 12, the lateral pressing arm 12 is hinged with the lateral pressing block 11 through the rotating shaft, and the lateral pressing block 11 is arranged on one side of the workpiece.

When in use, first manually place the workpiece in the placement groove 7, and the number and distribution of the placement grooves 7 are adaptively set according to the shape of the workpiece to be clamped. Three placement grooves 7 are provided on the long side of the root, two placement grooves 7 are provided corresponding to two short-side chalks of the K-shaped beam 14, and the lateral pressing block 11 is arranged on the outside of the long side of the K-shaped beam 14. After the K-shaped beam 14 is placed, The longitudinal driving member 9 acts to drive the longitudinal pressing block 8 to press down the workpiece to clamp it longitudinally. At the same time, the lateral pressing block 11 presses the long side of the K-shaped beam 14 laterally under the action of the lateral pressing arm 12, and the K-shaped beam 14 is fixed horizontally and vertically. Both the transverse driving member 13 and the longitudinal driving member 9 can be air cylinders or electric cylinders. The movable end of the longitudinal driving member 9 is hinged with one end of the longitudinal pressing arm 10 , and the other end of the longitudinal pressing arm 10 is fixedly connected with the longitudinal pressing block 8 . When the movable end rises, the longitudinal pressing block 8 descends to compress the workpiece, and the action principle of the transverse fixing piece is the same as that of the longitudinal fixing piece.

The lift assembly includes a lift drive motor, a main drive gear, a drive chain, a nut screw pair and a tensioning wheel. The nut screw pair is provided with four pairs corresponding to the four corners of the bottom surface of the clamping table 6, and the lift drive motor shaft is connected to The main transmission gear, the main transmission gear drives the rest of the auxiliary transmission gears through the transmission chain, the center of the main transmission gear and the auxiliary transmission gear is connected to the lead screw of a set of nut screw pair, and the threaded sleeve of the nut screw pair is fixedly connected to support and clamp The support plate on the bottom surface of table 6, after the lift drive motor is started, the four threaded sleeves are driven to rotate through the main transmission gear, transmission chain and auxiliary transmission gear, thereby driving the lead screws of the four nut screw pairs to rise and fall, thereby realizing the clamping table. 6, in order to realize the fixation of the clamping table 6 on the carrying trolley 19, a clamping positioning hole and a clamping positioning pin are set on the bottom surface of the clamping table 6 and the top surface of the carrying trolley 19. After the carrying trolley 19 is in place, the clamping table 6 is lowered, and the clamping positioning pin is inserted into the clamping positioning hole to prevent relative movement between the clamping table 6 and the carrying trolley 19 .

As shown in Figures 4-5, the traverse trolley 4 includes a vehicle body 15. The top surface of the vehicle body 15 is provided with a moving track 16, a lifting positioning pin 17 and a position sensing device corresponding to the carrying trolley 19. The lifting positioning pin 17 is provided on the lifting cylinder 18. On the piston rod, the bottom surface of the carrying trolley 19 is provided with a lifting positioning hole corresponding to the lifting positioning pin 17; the clamping station 1 corresponding to the traverse trolley 4 is also provided with a traverse positioning pin, and the traverse positioning pin on the traverse trolley 4 is provided with a traverse positioning pin. The cylinder 20, the traverse positioning cylinder 20, the piston rod is connected to the traverse positioning sleeve 21; the vehicle body 15 includes a frame 22, an axle 23 and a wheel 24, an electrical box 25 is arranged at the head end of the frame 22, and a trolley is arranged in the electrical box 25 Drive the motor, the traverse trolley 4 can take power from the electrified track 3, in order to meet the usage requirements of the traverse trolley 4, the power supply of the electrified track 3 also needs to be boosted, and the specific booster circuit has been well known by those skilled in the art, It will not be repeated here. The frame 22 is provided with an axle 23, the trolley drive motor shaft drives the axle 23 to rotate through the gear set, and wheels 24 are installed at both ends of the axle 23. After that, the traverse positioning cylinder 20 is actuated, and the traverse positioning sleeve 21 is set on the traverse positioning pin to prevent the traverse trolley 4 from shifting. After the clamping table 6 and the carrying trolley 19 are assembled, the traverse positioning cylinder 20 The piston rod is retracted, the traverse positioning pin is released, and the traverse trolley 4 with the carrying trolley 19 returns to the electrified track 3 and continues to be transferred to the welding station 2. In order to detect whether the traverse trolley 4 reaches the clamping station 1 in time, the clamping A position sensor is also provided on the ground of the station 1 corresponding to the traverse trolley 4. After the position sensor detects that the traverse trolley 4 is in place, the traverse positioning cylinder 20 is activated. In addition, in order to facilitate the independent control of each traverse trolley 4, there are also A communication module and a controller can be set, and the controller communicates with the control system through the communication module, and the control system sends control commands to the traverse trolley 4 according to processing requirements.

As shown in Figures 6-7, the welding tool includes a welding displacement mechanism and a welding mechanism. The welding mechanism includes two rows of support columns 26. A support beam 27 is erected on the top of the support columns 26 arranged in the same row. Each support beam The traverse rack 28 is erected on the 27, the traverse gear meshes with the traverse rack 28, the center of the traverse gear is connected to the welding traverse motor 29, the welding traverse motor 29 is fixedly connected with the welding cantilever 30, and the welding cantilever 30 is fixed with welding teeth Bar 31, the welding gear meshes with the welding gear, the center of the welding gear is connected to the welding motor 32, the welding motor 32 is fixedly connected with the welding robot 33, and the welding displacement mechanism includes two displacement machines 34 corresponding to the two welding robots 33 oppositely arranged , the displacement machine 34 includes a displacement base 35, a lifting rail 36 is arranged on the side of the displacement base 35, a lifting tray 37 is arranged on the lifting rail 36, and a displacement motor 38 and a locking mechanism are arranged at the top of the displacement base 35; the locking mechanism It includes a locking base, a locking cylinder and a locking cone pin 42, the locking base is connected with the rotation shaft of the displacement motor 38, the locking cylinder is fixed on the locking base, and the piston rod of the locking cylinder is connected to the locking cone pin 42 , the clamping table 6 is provided with a locking hole corresponding to the locking pin. In FIG. 7, the locking base and the locking cylinder are fixed in the locking mechanism housing 40, and the locking mechanism housing 40 is provided with a through hole corresponding to the locking taper pin 42. The piston rod of the locking cylinder is fixedly connected to the locking cone pin 42 through the locking fixing plate 41 .

The carrying trolley 19 carries the clamping table 6 to the bottom of the welding tool assigned by the welding station 2, and the two ends of the clamping table 6 are dragged by the lifting tray 37. Driven by the lifting rail 36, the clamping table 6 reaches the displacement base. 35. The piston rod of the locking cylinder on the displacement base 35 is extended, and the locking pin is inserted into the locking hole on the clamping table 6 to lock the clamping table 6, and then the workpiece is welded by the welding robot 33. The current position After the welding is completed, according to the preset welding process, the clamping table 6 is driven to rotate by the displacement motor 38, and the workpiece is rotated to the next welding angle, and welding is performed until the welding is completed. The rotation of the clamping table 6 causes interference. After the clamping table 6 is locked, the lifting tray 37 moves down a certain distance. After the welding work is completed, it returns to the position of the displacement base 35, and the locking cylinder releases the clamping table. After 6, the clamping table 6 is transferred to the carrying trolley 19 by the lifting tray 37, and the carrying trolley 19 transfers the clamping table 6 to the next station.

As shown in Figures 9-11, the blanking tooling includes two rows of gantry columns 43 arranged side by side, a gantry beam 44 is erected at the top of each row of gantry columns 43, and beam guide rails 45 are provided on both gantry beams 44, and between the two beam guide rails 45 The cross-beam carriage 47 is erected by the cross-beam slider 46, and the unloading manipulator 48 is slidably connected to the cross-beam carriage 47 through the left and right moving components. The feeding manipulator 48 is fixedly connected, and the lifting square tube 49 is driven up and down by the lifting driving member; the left and right moving components include a fixed seat 50, a left and right driving motor 51, and a left and right moving rack 52. The left and right driving motors 51 are fixed on the fixed seat 50. The rotating shaft of the drive motor 51 is connected to the left and right moving racks 52 through the left and right moving gears, and the left and right moving racks 52 are fixed on the beam carriage 47 . The bar 53, the lifting rack 53 is connected to the lifting gear, the lifting gear is connected to the rotating shaft of the lifting motor 54, the lifting motor 54 is fixed on the fixed seat 50, and the unloading manipulator 48 adjusts the left and right positions by moving the components left and right, and passes the lifting square tube 49 and the lifting motor. 54 to achieve lifting, using rack and pinion, which can ensure high position adjustment accuracy.

The blanking tooling supports the entire blanking tooling through the gantry column 43 and the gantry beam 44. The welded workpiece is driven by the carrying trolley 19 to reach the position where the blanking is required. Then, the blanking manipulator 48 moves along the traverse guide rail. To the top of the workpiece, if the blanking manipulator 48 is not directly above the workpiece, adjust the blanking manipulator 48 to be directly above the workpiece by moving the component left and right, and then lift the driving part to drive the blanking manipulator 48 to the upper surface of the workpiece. The manipulator 48 grabs the workpiece and transfers it to the quality inspection and repair welding station. Considering that the workpieces clamped by different clamping tooling 5 are different, the positions of the blanking tooling to be transferred are also different. For clear classification, install a barcode or radio frequency card for each clamping tooling 5, and set the information reading on the blanking tooling. The unloading manipulator 48 reads the information of the clamping tool 5 every time before grabbing the workpiece, and then obtains the information of the workpiece currently being grabbed, so as to transfer the workpiece to an appropriate position. The traverse guide rail can be electric or pneumatic.

As shown in FIG. 12, the unloading manipulator 48 includes a suction cup 55 and a suction cup fixing plate 56. Several suction cups 55 and position sensors 57 are fixed on the suction cup fixing plate 56. The rotating shaft of the suction cup adjusting motor 58 meshes with the auxiliary adjusting gear through the main adjusting gear. Adjust the inner ring of the gear to fix the bearing, the inner ring of the bearing is a fixed ring, the inner ring of the bearing is fixedly connected to the lifting square tube 49, the outer ring of the bearing is fixedly connected to the suction cup fixing plate 56, the position sensor 57 detects the relative distance between the suction cup 55 and the workpiece, and stops when it is in place When the lifting motor 54 is actuated, the suction cup 55 can use an electromagnet or a vacuum suction cup 55. When grasping the workpiece, the angle of the suction cup 55 can be adjusted 360° on the horizontal plane according to the workpiece structure to ensure the grasping effect of the unloading manipulator 48.

Claims (10)

1. a kind of welding dispenses production line, which is characterized in that including set gradually clamping station (1), welding post (2), under Expect station and control system, above-mentioned each station is laid with band electric rail (3) on the way, and the clamping station (1) is equipped at least one set of dress It presss from both sides tooling (5), every group of clamping tooling (5) is correspondingly arranged one group of cross traveling trolley (4), and clamping station (1) corresponding cross traveling trolley (4) is set Cross moving track is set, clamping tooling (5) is arranged above cross moving track, and the band electric rail (3) is set as multistage, multistage band electric rail (3) it is stitched together by cross traveling trolley (4), cross traveling trolley (4) and bears trolley (19), institute with being arranged with electric rail (3) It states welding post (2) and at least one set of welding tooling is set, blanking tool, the cross traveling trolley (4), dress is arranged in the discharge station Folder tooling (5) bears trolley (19), welding tooling and blanking tool and is connected to control system.

2. welding according to claim 1 dispenses production line, which is characterized in that the clamping tooling (5) includes clamping bench (6), lifting assembly is arranged in corresponding clamping bench (6), and workpiece setting transverse direction fixing piece and longitudinally fixed is corresponded on the clamping bench (6) Part.

3. welding according to claim 2 dispenses production line, which is characterized in that the longitudinally fixed part includes multiple placements Slot (7), longitudinal briquetting (8) and zigzag tread patterns part (9), workpiece is fixed by each placing groove (7), and corresponding each placing groove (7) is respectively Longitudinal briquetting (8) is set, and the longitudinal direction briquetting (8) passes through longitudinal pressure arm (10) and is connected to zigzag tread patterns part (9) movable end, longitudinal Actuator (9) is fixed on clamping bench (6)；The transverse direction fixing piece includes lateral briquetting (11), lateral pressure arm (12) and laterally Actuator (13), laterally driven part (13) movable end connect lateral pressure arm (12), and lateral pressure arm (12) passes through shaft and cross Hingedly to briquetting (11), lateral briquetting (11) is set to workpiece side.

4. welding according to claim 2 dispenses production line, which is characterized in that the lifting assembly includes lifting driving electricity Machine, main drive gear, driving chain, nut-screw rod are secondary and tensioning wheel, the nut screw pair correspond to the four of clamping bench (6) bottom surface Fourth officer is arranged in a angle, and the lifting driving motor shaft connects main drive gear, and main drive gear drives it by driving chain The center of remaining auxiliary transmission gear transmission, main drive gear and auxiliary transmission gear respectively connects the lead screw of set screw lead screw pair, nut The thread bush of lead screw pair is fixedly connected with the support plate of support clamping bench (6) bottom surface.

5. welding according to claim 2 dispenses production line, which is characterized in that the cross traveling trolley (4) includes car body (15), car body (15) top surface is corresponding bears trolley (19) setting moving track (16), elevation dowel pin (17) and incudes dress in place It sets, elevation dowel pin (17) is set on the piston rod of lifting cylinder (18), is born trolley (19) bottom surface and is corresponded to elevation dowel pin (17) setting lifting location hole；Clamping station (1) corresponding cross traveling trolley (4) is also provided with traversing positioning pin, cross traveling trolley (4) on pair Answer traversing positioning pin that traversing positioning cylinder (20) is set, traversing positioning cylinder (20) piston rod connects traversing abutment sleeve (21).

6. welding according to claim 2 dispenses production line, which is characterized in that the welding tooling includes positioner Structure and welding mechanism, the welding mechanism include two rows of support posts (26), and support post (26) top surface with row's setting is set up A piece support beam (27) sets up traversing rack gear (28) on every support beam (27), and traversing gear is nibbled with traversing rack gear (28) It closes, the traversing traversing motor of gear centre connecting welding (29), welds traversing motor (29) and be fixedly connected with welding cantilever (30), welded It connects and is fixedly welded rack gear (31) on cantilever (30), welded gear is engaged with welded gear, welded gear center connecting welding motor (32), welding motor (32) is fixedly connected with welding robot (33), and the positioner structure includes corresponding two bonding machines Two positioners (34) that device people (33) is oppositely arranged, the positioner (34) include shift base (35), shift base (35) Fluctuating orbit (36) are arranged in side, and lifting tray (37) are arranged on fluctuating orbit (36), the setting displacement of shift base (35) top Motor (38) and retaining mechanism.

7. welding according to claim 6 dispenses production line, which is characterized in that the retaining mechanism include locking pedestal, Locking cylinder and locking taper pin (42), the locking pedestal are connect with displacement motor (38) shaft, fixed on the locking pedestal Locking hole is arranged in locking cylinder, locking cylinder piston rod connection locking taper pin (42), the corresponding locking pin of clamping bench (6).

8. welding according to claim 1 dispenses production line, which is characterized in that the blanking tool includes arranged side by side Two column gantry upright posts (43), each column gantry upright post (43) top set up gantry beam (44), and two gantry beams (44) are respectively provided with Beam guideway (45) sets up beam carriage (47) by crossbeam sliding block (46) between two beam guideways (45), blanking mechanical hand (48) it is slidably connected by moving left and right component with beam carriage (47), it is described to move left and right component and lifting square tube (49) side It is slidably connected, lifting square tube (49) bottom end is fixedly connected with blanking mechanical hand (48), and lifting square tube (49) passes through lifting actuator Driving lifting.

9. welding according to claim 8 dispenses production line, which is characterized in that the component that moves left and right includes fixing seat (50), left and right driving motor (51), move left and right rack gear (52), the left and right driving motor (51) is fixed on fixing seat (50) On, left and right driving motor (51) shaft moves left and right rack gear (52) by moving left and right gear connection, moves left and right rack gear (52) It is fixed on beam carriage (47), the lifting square tube (49) runs through manipulator fixing seat (50) center, goes up and down square tube (49) one Lifter rack (53) are installed in side, and lifter rack (53) connects lifting gear, and lifting gear connects lifting motor (54) shaft, lifting Motor (54) is fixed on fixing seat (50).

10. welding according to claim 9 dispenses production line, which is characterized in that the blanking mechanical hand (48) includes inhaling Disk (55) and sucker fixed plate (56) fix several suckers (55) and sensors in place (57), sucker in sucker fixed plate (56) It adjusts motor (58) shaft and auxiliary adjustment gear, auxiliary adjustment gear inner ring fixing bearing, bearing inner race is engaged by main regulation gear For retainer plate, bearing inner race is fixedly connected with lifting square tube (49), and bearing outer ring is fixedly connected with sucker fixed plate (56).