CN211248750U - Scaffold plate buckle upright rod workstation - Google Patents

Abstract

The utility model relates to a scaffolding plate buckle and vertical pole workstation. A material feeding and passing device is arranged on one side of the main frame, a tooling platform is slidably installed on the main frame, and a plurality of flipping clip devices are arranged on the tooling platform. and the right clamping device are respectively fixed on the left and right ends of the front-end platform of the main frame, and a top plate device is arranged at the bottom of the front end of the main frame. The plate device is clamped and turned in place, the workpiece round tube is threaded into the workpiece disc through the feeding tube device, the tooling platform slides to push the workpiece into the welding position, and the spot welding and ring welding are completed. Open the workpiece, the welded workpiece slides down the unloading rack to the conveying device, the conveying device sends the welded workpiece to the material frame, and the finished product is completed, saving time and labor, high production efficiency, low labor intensity, no professional It can be completed by only one welder, which greatly reduces the cost.

Description

Scaffolding plate buckle pole workstation

technical field

The utility model relates to an automatic welding machine, in particular to a work station for a scaffolding plate buckle and a pole.

Background technique

At present, when the known scaffolding poles are buckled during welding, the current technology is to manually place the plates one by one, and automatically thread the pipes. The latest technology is also automatic pipe threading and automatic plate placement, but the automatic plate placement and automatic pipe threading device are unstable, resulting in the equipment not working normally and continuously, and the production efficiency is low.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the above technical problems, the purpose of this utility model is to provide a scaffolding plate buckle and pole work station.

A scaffolding plate buckle vertical pole workstation, comprising a main body frame (3), an air storage tank (20) mounted on the main body frame (3), a welding power source (6), an operation box (9) and a power supply control box (2) ), the wire feeding reel shaft (5), the wire feeding motor (4) and the solenoid valve (26) are respectively fixed on the upper part of the main frame (3), and it is characterized in that: a feeding material is provided on one side of the main frame (3). The pipe-piercing device (1), the tooling platform (28) is slidably mounted on the main frame (3), and the tooling platform (28) is provided with a plurality of flipping clip devices (27), a left clamping transmission device (10) and The right clamping device (14) is respectively fixed on the left and right ends of the front end platform of the main body frame (3), and a top plate device (12) is provided at the bottom of the front end of the main body frame (3). The gripping and feeding disc device (8) installed on the main frame (3) cooperates to send the workpiece disc (111) into the flipping clamping device (27) to be clamped and turned in place, and then pass through the feeding and threading device (1). Insert the workpiece circular tube into the workpiece disc (111), the tooling platform (28) slides and pushes the workpiece into the welding position, and the left clamping transmission device (10) clamps and drives the workpiece circular tube to rotate, and the right clamping device (14) The auxiliary left clamping transmission device (10) pushes the workpiece round tube tightly, completes spot welding and girth welding, and the welding is completed. The left clamping transmission device (10) and the right clamping device (14) loosen the workpiece, so that the The welded workpiece slides down to the conveying device (25) along the unloading frame (24), and the welded workpiece is sent into the material frame by the conveying device (25).

The top plate device (12) includes a positioning column (109), a silo bottom plate (110), a guide rail D (118), a slider D (119), a slider E (120), a guide rail E (121), The top plate oil cylinder connecting plate (122), the top plate oil cylinder (123), the top plate base (124), the top plate column (125), the tray bottom plate (126) and the conversion cylinder (127), the top plate oil cylinder (123) is fixed on the At the bottom of the front end of the main frame (3), one end of the top plate oil cylinder connecting plate (122) is connected with the oil cylinder rod of the top plate oil cylinder (123), and the other end is connected with the top plate base (124). Two guide rails E (121) are vertically fixed on the beam, and slide blocks E (120) are slidably installed on the two guide rails E (121). The connection is fixed, and a plurality of top tray uprights (125) are evenly fixed on the upper plane of the top tray base (124);

A plurality of guide rails D (118) are arranged on the front-end platform of the main frame (3), and a slider D (119) is slidably installed on each guide rail D (118), and the tray bottom plate (126) is fixed on the slider by bolts. On the block D (119), a conversion cylinder (127) is installed on the front end platform of the main frame (3), and the cylinder rod of the conversion cylinder (127) is connected with one end of the tray bottom plate (126), and is connected to the tray bottom plate (126) through the A plurality of silo bottom plates (110) are fixed with bolts, two through holes are opened on each of the silo bottom plates (110), and two sets of positioning columns (109) are welded on each silo bottom plate (110). ), two positioning columns (109) are a group, each set of positioning columns (109) corresponds to the through holes formed on the silo bottom plate (110), and each set of positioning columns (109) is sleeved with A plurality of workpiece disks (111) are used to grab the workpiece disks (111) sleeved on the positioning column (109) through the grab-and-feed disk device (8).

The top plate device (12) further includes an upper limit controller (115), a controller bracket A (116), a lower limit controller (117), a disk presence signal controller (130), and a controller bracket B ( 131), the controller bracket A (116) is bolted to the right side of the bottom of the front end of the main frame (3), and the upper limit controller (115) and the lower limit controller (117) are installed on the controller bracket A (116). ), the controller bracket B (131) is fixed on the right side of the front-end platform of the main frame (3) by bolts, and the disk signal controller (130) is fixed on the upper end of the controller bracket B (131).

When the workpiece disk (111) stacked on the top of the positioning column (109) is grasped by the pick-and-feed disk device (8), and the disk signal controller (130) cannot detect the workpiece pipe (111), the top disk The action of the oil cylinder (123) drives the top tray base (124) to move up, so that the top tray column (125) installed on the top tray base (124) passes through the holes of the tray bottom plate (126) and the silo bottom plate (110), At the same time, the workpiece disc (111) is lifted up. At this time, when the disc signal controller (130) detects the workpiece cylinder (111), it controls the lifting cylinder (123) to stop, and the workpiece disc (111) also stops. Do not move, so that the grabbing and feeding disc device (8) can grab it. When the last workpiece disc (111) of the right group is grabbed, the upper limit controller (115) detects a signal and controls the top plate cylinder (115). 123) Start to fall, after the lower limit controller (117) detects the signal, it switches the action of the cylinder (127), pushes the pallet bottom plate (126) to move on the guide rail D (118), and removes another set of workpiece discs (111) Push to the grab position to complete the conversion, so that the grab tray device (8) can grab it.

The grabbing plate device (8) includes a grabbing plate beam (108), a push plate cylinder (112), a push plate slider (113), a push plate guide rail (114), a three-claw cylinder (128) and a drop cylinder (129), a push plate cylinder (112) and a push plate guide rail (114) are respectively installed on the uprights at both ends of the main frame (3), and a push plate slider (113) is slidably installed on the push plate guide rail (114). ), both ends of the grabbing beam (108) are connected and fixed with the pusher slider (113) by bolts, the cylinder rods of the two pusher cylinders (112) are connected with the grabbing beam (108), and the grabbing beam (108) A plurality of falling cylinders (129) are evenly installed on the upper part, and a three-claw cylinder (128) is installed on the cylinder rod of each falling cylinder (129). ) down, so that the cylinder claws of the three-claw cylinder (128) just fall into the hole in the middle of the workpiece disc (111), and the three-claw cylinder (128) moves to make the three cylinder claws of the three-claw cylinder (128) support outward. , fix the workpiece disc (111), at this time, the cylinder rod of the falling air cylinder (129) retracts, driving the workpiece disc (111) to rise and separate from the positioning column (109), through the action of the push disc cylinder (112), the three The workpiece discs (111) grasped by the claw cylinders (128) are respectively sent to the corresponding overturning and clamping devices (27).

The workpiece disc (111) is grasped by the cylinder claws of the three-claw cylinder (128) to the top of the pallet plate (68) of the overturning and clamping device (27), and the workpiece disc is clamped by the overturning and clamping device (27). (111), and turn the workpiece disc (111) into place, and carry out the pipe-piercing operation through the feeding and pipe-piercing device (1), and the feeding and pipe-piercing device (1) includes a feeding cylinder (30), a leather Wheel (31), tube rubbing cylinder (32), guide rail B (33), lower pressure connecting plate (34), tube rubbing bracket (35), push tube guide rail (36), material supporting cylinder plate (37), material supporting Guide post (38), material supporting cylinder connecting plate (39), material supporting cylinder (40), stinger (41), feeding frame (42), guide rail C (43), slider C (44), pipe penetration Platform (45), push tube slider (46), push tube sliding plate (47), hosting die (48), positioning tip (49), slider B (50), pressing cylinder (51), guide sleeve ( 141) and positioning cylinder (142);

A feeding cylinder (30) is installed on both ends of the feeding frame (42), and the feeding frame (42) is placed behind the pipe-piercing platform (45). One side of the pipe-piercing platform (45) is connected to the The main frame (3) is connected and fixed, a stinger (41) is installed above the left side of the pipe-penetrating platform (45), and two guide rails C (43) are fixed on the main surface of the pipe-penetrating platform (45) by bolts. Slide blocks C (44) are slidably installed on the two guide rails C (43), the lower end of the pipe rubbing bracket (35) is fixed on the slider C (44), and the upper end of the pipe rubbing bracket (35) is installed with a downward pressure The cylinder (51) and the slider B (50), the guide rail B (33) is slidably installed on the slider B (50), and the upper end of the guide rail B (33) is connected to the lower pressure cylinder ( 51) is connected with the cylinder rod, the lower end of the guide rail B (33) is installed with a tube rubbing cylinder (32), and a pulley (31) is fixed on the shaft of the tube rubbing cylinder (32);

The material-supporting cylinder plate (37) is fixed on the main surface of the pipe-piercing platform (45) by bolts, and the material-supporting cylinder plate (37) is provided with a material-supporting cylinder (40), a guide sleeve (141), and a material-supporting guide post (38) penetrate into the guide sleeve (141), and the material-supporting guide post (38) is connected with the cylinder rod of the material-supporting cylinder (40) through the material-supporting cylinder connecting plate (39);

Two push-pipe guide rails (36) are fixed on the upper end face of the pipe-piercing platform (45) by bolts, and a push-pipe sliding block (46) is slidably installed on the two push-pipe guide rails (36), and the push-pipe sliding plate ( 47) It is fixed on the push tube slide block (46), and a hosting die (48) is installed above the push tube slide plate (47), and the lower end of the push tube slide plate (47) is connected with the cylinder rod of the pipe threading cylinder (13), The positioning cylinder (142) is fixed on the bottom surface of the hosting mold (48), and a positioning tip (49) is installed on the cylinder rod of the positioning cylinder (142).

The feeding frame (42) has a certain inclination, and the circular tube of the workpiece is laid flat on the feeding frame (42), and the circular tube of the workpiece is fed into the hosting die (48) and The material supporting guide post (38) moves up and down by pressing the cylinder (51), and drives the guide rail B (33) to drive the tube rubbing cylinder (32) and the pulley (31) to fall, so that the pulley (31) presses the pipe and rubs it. The tube cylinder (32) and the positioning cylinder (142) act at the same time, and the rubbing cylinder (32) drives the pulley (31) to rotate, so that the pulley (31) rubs against the workpiece round tube, thereby driving the workpiece round tube to rotate, and the positioning cylinder The positioning tip (49) on the (142) is inserted into the hole of the workpiece round pipe, the positioning is completed, the pressing cylinder (51) and the tube rubbing cylinder (32) are reset, and the pipe threading cylinder (13) moves to drive the hosting mold (48). ) to drive the workpiece round pipe forward for a certain period of time, the material support cylinder (40) moves, and drives the material support guide post (38) to retreat, so that the workpiece round pipe continues to move forward, and the pipe threading cylinder (13) advances in place, making the workpiece round The tube penetrates into the workpiece disc, slides through the tooling platform (28), and drives the overturning and clamping device (27) to move, and sends the workpiece tube and the workpiece disc (111) penetrating into the workpiece disc (111) together. into the welding position.

Three guide rails A (16) are fixed on the upper end surface of the front-end platform of the main frame (3) by bolts, and a sliding block A (17) is slidably installed on each guide rail A (16), and the tooling platform (28) is fixed on the sliding block. On the block A (17), a plurality of flip clip devices (27) are evenly fixed on the upper plane of the tooling platform (28), and the forward push cylinder (23) is installed under the front end platform of the main frame (3), and pushes forward One end of the connecting plate (22) is connected with the cylinder rod of the forward push cylinder (23), and the other end is connected with the tooling platform (28). The chip device (27) sends the workpiece circular tube penetrating into the workpiece disc (111) together with the workpiece disc (111) into the welding position. After the in-position controller (29) detects the signal, the tooling platform (28) stops moving , the left clamping transmission device (10) and the right clamping device (14) clamp the workpiece round tube, the holding device (15) supports the workpiece round tube, and sends the welding torch (21) to the place through the gun feeding device (7). At the welding seam position, the welding power source (6) is turned on, and spot welding starts. After the spot welding is completed, the clamping device (27) and the tooling platform (28) are turned over to return to the initial position, and the left clamping transmission device (10) is clamped and clamped. Drive the workpiece round tube to rotate, and the welding power source (6) is turned on again while rotating, completes one circle of ring welding, and welds the workpiece well.

The welded workpiece slides down to the conveying device (25) along the unloading rack (24), and the workpiece is conveyed out by the conveying device (25), and the conveying device (25) includes a transmission box (52), a chain A (53), sprocket A (54), transmission motor plate (55), transmission motor (56), chain B (57), bearing (58), sprocket bushing (59), fixed shaft (60), chain Wheel B (61) and sprocket C (143);

A fixed shaft (60) is installed at both ends of the inner part of the transmission case (52), a bearing (58) is installed at both ends of the left fixed shaft (60), and the sprocket bushing (59) is sleeved on the bearing (58) , Sprocket A (54) and sprocket C (143) are welded on the sprocket bushing (59); bearings (58) are installed on both ends of the right fixed shaft (60), and the sprocket bushing (59) is set On the bearing (58), the sprocket A (54) is welded on the sprocket bushing (59), and the two chains A (53) are respectively hung on the sprocket A (54) at the left and right ends;

A transmission motor plate (55) is fixed on the transmission case (52) by bolts, the transmission motor (56) is fixed on the transmission motor plate (55), and a sprocket B (61) is inlaid on the shaft of the transmission motor (56). ), sprocket B (61) is connected to sprocket C (143) through chain B (57);

The transmission motor (56) rotates with electricity, and drives the sprocket C (143) to rotate through the chain B (57), thereby driving the sprocket A (54) to form a closed and continuous cyclic transmission structure through the chain A (53). The chain A (53) is continuously cyclically driven, so that the welded workpiece falling on the chain A (53) is transmitted out through the cyclic transmission of the chain A (53).

The unloading rack (24) has a certain inclination and is fixed at the middle position of the inner lower end of the main frame (3) by bolts, and one end of the unloading rack (24) is connected with the conveying device (25) and welded The workpiece slides down along the unloading rack (24) and just falls on the chain A (53) of the conveying device (25), and then the workpiece is conveyed out.

The beneficial effect of the utility model is that: the workpiece disc placed on the top tray silo device is grabbed by the grab-and-feed disc device and sent to the overturning clamping device to be clamped and turned over, and then the tube is installed, passed through the tube, and the tooling platform Push into the welding position, spot welding, girth welding, welding is completed, the two ends are loosened, and the material is automatically unloaded to the conveyor. The conveyor sends the welded workpiece to the material frame, and the finished product is completed, saving time and effort. High efficiency and low labor intensity, it can be completed without professional welders, which greatly reduces the cost.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the present utility model;

Fig. 2 is the side view structure schematic diagram of the present utility model;

Fig. 3 is the top view structure schematic diagram of the present utility model;

Fig. 4 is the front view structure schematic diagram of the material feeding and pipe-piercing device of the present invention;

Fig. 5 is the side view structure schematic diagram of the utility model feeding pipe device;

Fig. 6 is the top-view structure schematic diagram of the material feeding pipe-piercing device of the present invention;

Fig. 7 is the front structure schematic diagram of the grabbing and feeding tray device and the top tray device of the present invention;

8 is a schematic side view of the structure of the grabbing tray device and the top tray device of the present invention;

9 is a schematic top view of the structure of the grabbing tray device and the top tray device of the present invention;

Fig. 10 is the front view structure schematic diagram of the transmission device of the present invention;

Figure 11 is a schematic side view of the structure of the transmission device of the present invention;

Fig. 12 is the top-view structure schematic diagram of the conveying device of the present invention;

13 is a schematic front view of the structure of the flipping clip device of the present invention;

Fig. 14 is the top-view structure schematic diagram of the flipping clip device of the present invention;

Figure 15 is a schematic view of the structure of the right side view of the flipping clip device of the present invention;

Figure 16 is a schematic diagram of the structure of the tray plate of the flipping clip device of the present invention;

Fig. 17 is the side sectional structure schematic diagram of Fig. 16;

18 is a schematic structural diagram of the tray plate flipped 90° of the flipping clip device of the present invention;

Fig. 19 is the front view structure schematic diagram of the gun feeding device of the present invention;

Fig. 20 is the top view structure schematic diagram of the gun feeding device of the present invention;

Figure 21 is a side view structural schematic diagram of the gun feeding device of the present invention;

Figure 22 is a schematic front view of the left clamping transmission device of the present invention;

Figure 23 is a schematic side view of the left clamping transmission device of the present invention;

Fig. 24 is the top view structure diagram of the left clamping transmission device of the present invention;

Figure 25 is a schematic view of the front structure of the right clamping device of the present invention;

26 is a schematic top view of the right clamping device of the present invention;

Figure 27 is a schematic diagram of the main structure of the hosting device of the present invention;

Fig. 28 is the top-view structure schematic diagram of the trusteeship device of the present invention;

Fig. 29 is the side view structure schematic diagram of the trusteeship device of the present invention;

Figure 30 is a schematic structural diagram of the hydraulic device of the present invention.

In the figure: Feeding and threading device 1, power control box 2, main frame 3, wire feeding motor 4, wire feeding reel shaft 5, welding power source 6, gun feeding device 7, grabbing and feeding plate device 8, operation box 9, left Clamping transmission device 10, hydraulic device 11, top tray silo device 12, pipe threading cylinder 13, right clamping device 14, hosting device 15, guide rail A16, slider A17, electromagnetic valve 18, pressure reducing filter 19, Air storage tank 20, welding torch 21, forward push connecting plate 22, forward push cylinder 23, unloading rack 24, conveying device 25, solenoid valve 26, flipping clamping device 27, tooling platform 28, forward push position controller 29, upper Feeding cylinder 30, pulley 31, tube rubbing cylinder 32, guide rail B33, press-down connecting plate 34, pipe-piercing bracket 35, push-pipe guide rail 36, feeding cylinder plate 37, feeding guide post 38, feeding cylinder connecting plate 39 , material supporting cylinder 40, stinger 41, feeding frame 42, guide rail C43, slider C44, pipe penetration platform 45, push pipe slider 46, push pipe sliding plate 47, hosting mold 48, positioning tip 49, slider B50 , lower pressure cylinder 51, transmission box 52, chain A53, sprocket A54, transmission motor plate 55, transmission motor 56, chain B57, bearing 58, sprocket bushing 59, fixed shaft 60, sprocket B 61, chuck cylinder 62. Chuck cylinder plate 63, guide rail E64, slider E65, chuck moving slide plate 66, rotary cylinder 67, pallet plate 68, positioning pin 69, straightening cylinder 70, positioning bolt 71, connecting rod 72, pulley 73, large column 74. Magnet 75, Bolt shaft 76, Slope surface 77, Semi-circular arc surface 78, Welding gun fixture 79, Gun feeding sliding plate 80, Spring 81, Guide rail H82, Copper plate 83, Long bolt 84, Gun feeding base plate 85, Gun feeding cylinder 86. Slider H87, Left Clamping Cylinder 88, Left Clamping Cylinder Plate 89, Left Slider 90, Left Guide Rail 91, Left Top 92, Main Transmission Shaft 93, Main Transmission Box 94, Rotary Motor 95, Reducer 96 , right guide rail 97, right slider 98, right clamping cylinder plate 99, right clamping cylinder 100, slave transmission box 101, slave transmission shaft 102, right center 103, bearing 104, bearing support plate 105, hosting cylinder plate 106 , hosting cylinder 107, grabbing beam 108, positioning column 109, silo bottom plate 110, workpiece disc 111, push plate cylinder 112, push plate slider 113, push plate guide rail 114, upper limit controller 115, controller bracket A116 , lower limit controller 117, guide rail D118, slider D119, slider E120, guide rail E121, top plate cylinder connecting plate 122, top plate cylinder 123, top plate base 124, top plate column 125, tray bottom plate 126, conversion cylinder 127 , three-claw cylinder 128, falling cylinder 129, plate signal controller 130, controller bracket B131, oil pump motor 132, oil pump 133, pipe oil valve 134, top plate oil valve 135, pressure gauge 136, oil circuit distributor 137 , oil pipe A138, oil tank 139, oil pipe B1 40. Guide sleeve 141, positioning cylinder 142, sprocket C143, oil return pipe 144, small column 145.

Detailed ways

As shown in Fig. 1, Fig. 2, Fig. 3, on the right side of the main body frame 3 is installed the feeding pipe device 1, the welding power source 6 and the power supply control box 2 are placed inside the main body frame 3, the solenoid valve 26, the wire feeder The reel shaft 5 and the wire feeding motor 4 are fixed on the upper part of the main body frame 3 by bolts, and the grabbing and feeding disc device 8 and the gun feeding device 7 are fixed in the middle position of the front end of the main body frame 3 by bolts. A top plate device 12 and a hydraulic device 11 are attached to the bottom of the front end of the main body frame 3 . The left clamping transmission device 10 and the right clamping device 14 are respectively fixed to the left and right ends of the front end platform of the main frame 3 through bolts. The through-pipe oil cylinder 13 is bolted to the front of the platform of the main frame 3 .

The output end of the power control box 2 is respectively connected with the input end of the operation box 9 and the welding power source 6 through the line, the output positive electrode of the welding power source 6 is connected with the wire feeding motor 4 through the cable, and the output negative electrode of the welding power source 6 is connected with the gun feeding device through the cable. 7 of the copper plate 83 is connected. The pressure-reducing filter 19 and the electromagnetic air valve 18 are fixed on the left side of the main frame 3 by bolts. The air outlet of the pressure-reducing filter 19 is connected to the air inlet of the electromagnetic air valve 18 through the air pipe, and the air outlets of the electromagnetic air valve 18 are respectively It is connected with the corresponding cylinder through the air pipe to supply air to the cylinder. The air storage tank 20 is fixed at the bottom position on the left side of the main frame 3 by bolts. The air outlet of the air storage tank 20 is connected with the air inlet of the solenoid valve 26 through the air pipe, and the air outlet of the solenoid valve 26 is connected with the inlet of the welding torch 21. The air ports are connected by air pipes.

Three guide rails A16 are fixed on the upper end surface of the front-end platform of the main frame 3 by bolts, and a slider A17 is slidably installed on each guide rail A16. The tooling platform 28 is fixed on the slider A17, and the upper plane of the tooling platform 28 is evenly A plurality of flip clip devices 27 are fixed, the forward push cylinder 23 is installed under the front end platform of the main frame 3 , one end of the forward push connecting plate 22 is connected with the cylinder rod of the forward push cylinder 23 , and the other end is connected with the tooling platform 28 . The forward push-in-position controller 29 is installed on the inner side of the left end of the large platform of the main frame 3, the two sets of hosting devices 15 are fixed on the upper surface of the platform by bolts, and the transmission device 25 is installed in the rear position of the inner lower end of the main frame 3, and the two sets have a certain inclination. The unloading rack 24 is fixed at the middle position of the lower end inside the main frame 3 by bolts, and one end of the unloading rack 24 is connected with the conveying device 25 .

As shown in FIG. 7 , FIG. 8 , and FIG. 9 , the top plate device 12 cooperates with the grab-and-feed plate device 8 to send the workpiece disk 111 to the overturning and clamping device 27 . The top plate device 12 includes a positioning column 109, a silo bottom plate 110, a guide rail D118, a slide block D119, a slide block E120, a guide rail E121, a top plate oil cylinder connecting plate 122, a top plate oil cylinder 123, a top plate base 124, and a top plate. The tray column 125, the tray bottom plate 126 and the conversion cylinder 127, the top tray cylinder 123 is fixed on the bottom of the front end of the main frame 3, one end of the top tray cylinder connecting plate 122 is connected with the cylinder rod of the top tray cylinder 123, and the other end is connected with the top tray base 124 , Two guide rails E121 are vertically fixed on the inner vertical beam of the main frame 3, and slide blocks E120 are slidably installed on the two guide rails E121. A plurality of top plate uprights 125 are uniformly fixed on the upper plane of the base 124 . A plurality of guide rails D118 are provided on the front end platform of the main frame 3 , and a slider D119 is slidably installed on each guide rail D118 . The tray bottom plate 126 is fixed on the slider D119 by bolts and is installed on the front end platform of the main frame 3 . There is a conversion cylinder 127, the cylinder rod of the conversion cylinder 127 is connected with one end of the tray bottom plate 126, and a plurality of silo bottom plates 110 are fixed on the tray bottom plate 126 by bolts. Two sets of positioning columns 109 are welded on each silo bottom plate 110, and the two positioning columns 109 are a group. A plurality of workpiece disks 111 are sheathed on each of the positioning columns 109 , and the workpiece disks 111 sheathed on the positioning columns 109 are grasped by the grab-and-feed disk device 8 .

The top plate device 12 also includes an upper limit controller 115, a controller bracket A116, a lower limit controller 117, a disk signal controller 130 and a controller bracket B131, and the controller bracket A116 is fixed to the main frame 3 by bolts. On the right side of the bottom of the front end, the upper limit controller 115 and the lower limit controller 117 are installed on the controller bracket A116, the controller bracket B131 is fixed on the right side of the front end platform of the main frame 3 by bolts, and the disk signal controller 130 is fixed at the upper end of the controller bracket B131.

When the workpiece disk 111 stacked on the top of the positioning column 109 is grasped by the grab-and-feed disk device 8, and the disk signal controller 130 cannot detect the workpiece pipe 111, the top disk cylinder 123 moves to drive the top disk base 124 to move up Move the top plate column 125 installed on the top plate base 124 through the holes of the tray bottom plate 126 and the silo bottom plate 110, and lift the workpiece disk 111 at the same time. At this time, the disk signal controller 130 detects the workpiece circle. When pipe 111, the top plate cylinder 123 is controlled to stop, and the workpiece disk 111 also stops, so that the grabbing and feeding disk device 8 can grab it. When the last workpiece disk 111 of the right group is grabbed, it passes the upper limit The controller 115 detects the signal and controls the top plate cylinder 123 to start to fall. After the lower limit controller 117 detects the signal, the switching cylinder 127 moves, pushes the pallet bottom plate 126 to move on the guide rail D118, and pushes another set of workpiece discs 111 To the grab position, the transition is completed for grabbing by the grab tray device 8 .

The grabbing tray device 8 includes a grab tray beam 108 , a push tray cylinder 112 , a tray tray slider 113 , a tray tray guide rail 114 , a three-claw cylinder 128 and a drop cylinder 129 . A push plate cylinder 112 and a push plate guide rail 114 are installed, and a push plate slider 113 is slidably installed on the push plate guide rail 114. Both ends of the catch plate beam 108 are connected and fixed with the push plate slider 113 by bolts. The cylinder rod of 112 is connected with the grabbing plate beam 108, and a plurality of drop cylinders 129 are evenly installed on the grabbing plate beam 108. A three-claw cylinder 128 is installed on the cylinder rod of each drop cylinder 129, and the cylinder rod of the drop cylinder 129 extends. out, drive the three-claw cylinder 128 to move down, so that the cylinder claws of the three-claw cylinder 128 just fall into the hole in the middle of the workpiece disc 111, and the three-claw cylinder 128 moves, so that the three cylinder claws of the three-claw cylinder 128 are supported outward, and the The workpiece disc 111 is fixed. At this time, the cylinder rod of the drop cylinder 129 is retracted, which drives the workpiece disc 111 to rise and separate from the positioning column 109. By the action of the push cylinder 112, the workpiece disc 111 captured by the three-claw cylinder 128 is respectively It is sent to the corresponding flipping clip device 27 .

As shown in Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, Figure 18, the flipping and clamping device 27 includes a chuck cylinder 62, a chuck cylinder plate 63, a guide rail E64, a slider E65, Chuck moving slide 66 , rotary cylinder 67 , pallet plate 68 , positioning pin 69 , straightening cylinder 70 , positioning bolt 71 , connecting rod 72 , pulley 73 , large column 74 , small column 145 , magnet 75 and latch shaft 76 . The chuck cylinder 62 is fixed on the chuck cylinder plate 63 by bolts, the cylinder rod of the clamping plate cylinder 62 is connected with the chuck movable sliding plate 66, the chuck cylinder plate 63 is fixed on the tooling platform 28 by bolts, and the two guide rails E64 are bolted It is fixed on the tooling platform 28 in parallel, the slide block E65 is slidably installed on the two guide rails E64, the chuck moving slide plate 66 is installed on the slide block E65, the rotary cylinder 67 is installed on the chuck moving slide plate 66, and the rotary cylinder A pallet plate 68 is fixed on the shaft of 67 by bolts, and two magnets 75 and two positioning pins 69 are respectively inlaid on the large plane of the pallet plate 68 . A circular arc slope 77 with a 30° angle and a width of 5mm is milled on the upper and lower sides of the semi-circular arc of the pallet plate 68. The purpose is to: even if the workpiece pipe passing through the semi-circular arc surface 78 is not straight and has a little curvature, the workpiece The circular tube will also smoothly slide into the workpiece disc hole along the sloped surface 77 on the semicircular arc surface 78 . The size of the semicircular arc surface 78 is slightly smaller than the size of the central hole of the workpiece disk.

A straightening cylinder 70 is installed on the bottom plate of the chuck moving slide 66, the large column 74 and the small column 145 are welded on the bottom plate of the chuck moving slide 66, the positioning bolt 71 passes through the hole on the small column 145, and is connected with the straightening cylinder 70. The cylinder rod is matched against the two surfaces of the lower end of the connecting rod 72. A pulley 73 is sleeved on the upper end shaft of the connecting rod 72 , and the positioning bolt 71 is rotated to drive the connecting rod 72 to move left and right, thereby adjusting the position of the pulley 73 . A bolt shaft 76 is embedded in the upper end of the large column 74, and the bolt shaft 76 penetrates into the hole of the connecting rod 72, so that the connecting rod 72 can only swing left and right, but cannot move forward and backward. When passing through the pipe, the workpiece round pipe moves forward against the pulley 73, and the straightening cylinder 70 extends against the lower end of the connecting rod 72 to prevent the pulley 73 from swinging left and right, and the straightening workpiece round pipe can quickly penetrate into the workpiece disk. (Because the round tube has to pass through 6 workpiece disks 111 continuously, the distance between the workpiece disks 111 and the disks is 500MM)

As shown in Fig. 4, Fig. 5, Fig. 6, the material feeding and threading device 1 includes a feeding cylinder 30, a pulley 31, a pipe rubbing cylinder 32, a guide rail B33, a lower pressure connecting plate 34, and a pipe rubbing bracket 35 , push tube guide rail 36, material support cylinder plate 37, material support guide post 38, material support cylinder connecting plate 39, material support cylinder 40, stinger 41, feeding frame 42, guide rail C43, slider C44, pipe penetration platform 45 , Push tube slider 46 , push tube sliding plate 47 , hosting mold 48 , positioning tip 49 , slider B50 , pressing cylinder 51 , guide sleeve 141 and positioning cylinder 142 . The feeding frame 42 has a certain inclination, the workpiece circular tube is placed on the feeding frame 42, and the feeding cylinder 30 is installed on both ends of the feeding frame 42. Behind, one side of the pipe-piercing platform 45 is connected and fixed with the main frame 3 by bolts, a stinger 41 is installed above the left side of the pipe-piercing platform 45, and two guide rails C43 are fixed on the main surface of the pipe-piercing platform 45 by bolts. , a slider C44 is slidably installed on the two guide rails C43, the lower end of the tube rubbing bracket 35 is fixed on the slider C44, the upper end of the tube rubbing bracket 35 is installed with a pressing cylinder 51 and a slider B50, and the guide rail B33 is slidably installed on the slider C44. On the slider B50, the upper end of the guide rail B33 is connected with the cylinder rod of the pressing cylinder 51 through the pressing connecting plate 34, the lower end of the guide rail B33 is installed with a tube rubbing cylinder 32, and a pulley 31 is fixed on the shaft of the tube rubbing cylinder 32. .

The material supporting cylinder plate 37 is fixed on the main surface of the pipe-piercing platform 45 by bolts. The material supporting cylinder 40 and the guide sleeve 141 are installed on the material supporting cylinder plate 37. The material guide post 38 is connected with the cylinder rod of the material supporting cylinder 40 through the material supporting cylinder connecting plate 39 . Two push-pipe guide rails 36 are fixed on the upper end face of the pipe-piercing platform 45 by bolts, and a push-pipe slide block 46 is slidably installed on the two push-pipe guide rails 36 , and a push-pipe sliding plate 47 is fixed on the push-pipe slide block 46 , a trustee mold 48 is installed above the push tube sliding plate 47, the lower end of the push tube slide plate 47 is connected with the oil cylinder rod of the penetrating oil cylinder 13, the positioning cylinder 142 is fixed on the bottom surface of the trustee mold 48, and is installed on the cylinder rod of the positioning cylinder 142 There are positioning tips 49.

Through the action of the feeding cylinder 30, the workpiece round tube is sent to the hosting die 48 and the supporting guide post 38, the cylinder 51 is pressed down, and the guide rail B33 is driven to drive the tube rubbing cylinder 32 and the pulley 31 to fall, so that the pulley 31 is pressed Hold the pipe, the rubbing cylinder 32 and the positioning cylinder 142 act at the same time, and the rubbing cylinder 32 drives the pulley 31 to rotate, so that the pulley 31 rubs against the workpiece round pipe, and then drives the workpiece round pipe to rotate, positioning the positioning tip 49 on the cylinder 142 Inserted into the hole of the workpiece round tube, the positioning is completed, the pressing cylinder 51 and the tube rubbing cylinder 32 are reset, the pipe threading oil cylinder 13 moves, and drives the hosting die 48 to drive the workpiece round tube forward. After advancing for a certain period of time, the feeding cylinder 40 moves, Drive the support guide post 38 to retreat, let the workpiece round tube continue to move forward, and the pipe threading cylinder 13 advances in place, so that the workpiece round tube penetrates into the workpiece disk, slides through the tooling platform 28, and drives the overturning clamping device 27 to move. The workpiece round tube penetrating into the workpiece disk 111 is sent to the welding position together with the workpiece disk 111. After the forward push-to-position controller 29 detects the signal, the tooling platform 28 stops moving, and is clamped and driven by the left clamping transmission device 10. The workpiece round tube rotates, and the right clamping device 14 cooperates with the left clamping transmission device 10 to tighten the workpiece round tube.

As shown in FIGS. 22 , 23 and 24 , the left clamping transmission device 10 includes a left clamping cylinder 88 , a left clamping cylinder plate 89 , a left sliding block 90 , a left guide rail 91 , a left center 92 , a main The transmission shaft 93 , the main transmission box 94 , the rotating motor 95 and the reducer 96 , the left clamping cylinder plate 89 is fixed on the front end platform of the main frame 12 by bolts, and a left clamping cylinder is installed on the left clamping cylinder plate 89 88, the cylinder rod of the left clamping cylinder 88 is connected with the main transmission box 94, the two left guide rails 91 are arranged in parallel on the front end platform of the main frame 3, and the left slider 90 is slidably installed on the two left guide rails 91, The main transmission box 94 is fixed on the left slider 90, a reducer 96 is installed on the main transmission box 94, the motor shaft of the rotating motor 95 is connected with the input shaft of the reducer 96, and one end of the main transmission shaft 93 is connected with the reducer 61. The left top 92 is installed on the other end of the main drive shaft 93, the left clamping cylinder 88 acts to drive the main transmission box 94 to move to the right, the left top 92 bears the workpiece round tube, and the rotary motor 95 is powered to rotate, The reducer 96 is driven to drive the main drive shaft 93 to rotate, so that the workpiece circular tube rotates.

As shown in FIGS. 25 and 26 , the right clamping device 14 includes a right guide rail 97 , a right sliding block 98 , a right clamping cylinder plate 99 , a right clamping cylinder 100 , a slave transmission case 101 , a slave transmission shaft 102 and a right The center 103, the right clamping cylinder plate 99 is fixed on the front end platform of the main frame 3 by bolts, the right clamping cylinder 100 is installed on the right clamping cylinder plate 99, the cylinder rod of the right clamping cylinder 100 is connected with the drive box body 101 is connected, the two right guide rails 97 are arranged in parallel on the front end platform of the main frame 3, the right slider 98 is slidably installed on the two right guide rails 97, and the slave transmission box 101 is fixed on the right slider 98, and the slave transmission One end of the shaft 102 passes through the sub-transmission box 101, and is connected and fixed with the sub-transmission box 101. A right center 103 is installed on the other end of the sub-transmission shaft 102, and the right clamping cylinder 100 acts to drive the sub-transmission box 101 to the left. Move the right center 103 against the workpiece round tube, and after the workpiece round tube is clamped, the holding device 15 holds the workpiece round tube.

As shown in Figure 27, Figure 28, Figure 29, the hosting device 15 includes a bearing 104, a bearing support plate 105, a hosting cylinder plate 106 and a hosting cylinder 107, and the hosting cylinder plate 106 is bolted to the front end of the main frame 3 On the platform, a hosting cylinder 107 is installed on the hosting cylinder plate 106, the cylinder rod of the hosting cylinder 107 is connected with the bearing support plate 105, a bearing 104 is installed on the bearing supporting plate 105, and the hosting cylinder 107 moves to drive the bearing support plate 105 to move , so that the bearing 104 supports the workpiece round tube, and the welding torch 21 is sent to the welding position through the gun feeding device 7 for welding.

As shown in Figure 19, Figure 20, Figure 21, the gun feeding device 7 includes a welding gun fixture 79, a gun feeding sliding slide 80, a spring 81, a guide rail H82, a copper plate 83, a long bolt 84, a gun feeding base plate 85, The gun feeding cylinder 86 and the sliding block H87 are provided with two parallel guide rails H82 on the gun feeding base plate 85, the sliding block H87 is slidably installed on the two guide rails H82, and the gun feeding sliding slide 80 is fixed on the sliding block H87. Two ends of the gun feeding sliding plate 80 are provided with welding gun fixtures 79 for fixing the welding gun 21. The gun feeding cylinder 86 is mounted on the gun feeding base plate 85 through bolts, and the cylinder rod of the gun feeding cylinder 86 is connected with the gun feeding movable sliding plate 80. , the two long bolts 84 are connected with the copper plate 83 through the gun feeding sliding plate 80, the spring 81 is set on the long bolt 84, and the gun feeding cylinder 86 moves to drive the gun feeding sliding plate 80 to drive the welding gun 21 to slide on the guide rail H82. When the gun feeding sliding slide 80 moves downward, the copper plate 83 is pressed on the workpiece disc 111, and the welding gun 21 falls to the welding seam position for spot welding and girth welding.

As shown in FIGS. 1 and 2 , one end of the welding gun 21 is connected to the wire feeding motor 4 , and the other end is fixed on the welding gun fixture 79 . The welding wire wound on the wire feeding reel shaft 5 is placed between the upper and lower wire feeding pulleys of the wire feeding motor 4 . , the welding wire is clamped by the upper and lower wire feed rollers and transported to the welding gun 21 .

As shown in Fig. 3, Fig. 10, Fig. 11, Fig. 12, the welded workpiece slides down the unloading rack 24 to the conveying device 25, and the workpiece is conveyed out by the conveying device 25. The conveying device 25 includes a transmission Box 52, chain A53, sprocket A54, transmission motor plate 55, transmission motor 56, chain B57, bearing 58, sprocket bushing 59, fixed shaft 60, sprocket B61 and sprocket C143, inside the transmission box 52 A fixed shaft 60 is installed at both ends, a bearing 58 is installed at both ends of the left fixed shaft 60, the sprocket sleeve 59 is sleeved on the bearing 58, and the sprocket A54 and the sprocket C143 are welded on the sprocket sleeve 59; Bearings 58 are installed on both ends of the side fixed shaft 60 , the sprocket bushing 59 is sleeved on the bearing 58 , and the sprocket A54 is welded on the sprocket bushing 59 . A transmission motor plate 55 is fixed on the transmission box 52 by bolts, the transmission motor 56 is fixed on the transmission motor plate 55, and a sprocket B61 is inlaid on the shaft of the transmission motor 56, and the sprocket B61 is connected with the sprocket C143 through the chain B57 . The transmission motor 56 is powered to rotate, and drives the sprocket C143 to rotate through the chain B57, thereby driving the sprocket A54 to form a closed and continuous cyclic transmission structure through the chain A53. The welded workpiece is sent out through the circulating transmission of the chain A53.

As shown in FIG. 30 , the hydraulic device 11 includes an oil pump motor 132 , an oil pump 133 , a pipe oil valve 134 , a top plate oil valve 135 , a pressure gauge 136 , an oil circuit distributor 137 , an oil pipe A138 , an oil tank 139 , an oil pipe B140, guide sleeve 141, positioning cylinder 142, sprocket C143 and oil return pipe 144. The oil pump 133 is fixed on the oil pump motor 132 through bolts, and the rotating shaft of the oil pump motor 132 is connected with the input shaft of the oil pump 133 . The input port of the oil pump 133 is connected to the oil tank 139 through the oil pipe B140, and the output port of the oil pump 133 is connected to the oil inlet port of the oil circuit distributor 137 through the oil pipe A138. The top plate cylinder 123 is connected. The oil passage distributor 137 is provided with a through-pipe oil valve 134 and a top plate oil valve 135. The through-pipe oil valve 134 and the top plate oil valve 135 are connected to the power control box 2 through wires, and the oil return port of the oil circuit distributor 137 It is connected to the oil tank 139 through the oil return pipe 144 .

Before starting the welding work, set the parameters through the touch screen on the operation box 9, manually transport the welding wire into the welding torch 21, lay the workpiece circular tube to be welded on the loading frame 42, and place the workpiece circular tube 111 in the direction according to the direction. The code is placed on the positioning post 109 and the code is full. Press the start button on the operation box 9 , the disc signal controller 130 detects the signal and detects the workpiece disc 111 .

A: The six falling cylinders 129 fall at the same time, driving the three-claw cylinder 128 to fall. The cylinder claws of the three-claw cylinder 128 are just put into the middle hole of the workpiece disc. The workpiece disc 111 is fixed, the falling air cylinder 129 is reset, and the workpiece disc 111 is driven to rise and disengage from the positioning column 109, the push disc cylinder 112 moves, and the six discs 111 are sent to the tray plate 68 of the flipping and clamping device 27. When the disc signal controller 130 cannot detect the signal of the workpiece disc 111, the top disc oil cylinder 123 moves to drive the top disc base 124 to move up, thereby driving the six top disc uprights 125 to lift the disc 111 at the same time. There is a disc signal controller 130. After the signal is detected, the top plate cylinder 123 stops moving, and the disk 111 stops moving. The push plate cylinder 112 returns to the initial position, and further drives the catch plate beam 108 to return to its original position, so that the three-claw cylinder 128 returns to the top of the workpiece disc 111 . The workpiece disc 111 is placed on the pallet plate 68, the magnet 75 is sucked, the positioning pin 69 is stuck to the workpiece disc 111, the rotary cylinder 67 is actuated, and it is turned 90 degrees counterclockwise. Disc 111 is clamped. While grabbing the plate, the feeding cylinder 30 acts to send the workpiece round tube to the hosting die 48 and the supporting material guide post 38, presses the cylinder 51 to act, the pulley 31 presses the workpiece round tube, the rubbing cylinder 32 and the positioning cylinder 142 At the same time, it drives the pulley 31 to rotate, and through the friction between the pulley 31 and the workpiece pipe, the workpiece pipe is driven to rotate, the positioning tip on the positioning cylinder 142 is inserted into the hole on the workpiece pipe, the positioning is completed, and the cylinder 51 is pressed down. And the rubbing cylinder 32 is reset. Then the pipe threading cylinder 13 moves to drive the hosting mold 48 to drive the workpiece round pipe forward. After advancing for a certain period of time, the material supporting cylinder 40 moves to drive the material supporting guide post 38 to retreat, avoid the pipe and let the pipe continue to advance, and the pipe threading cylinder 13 moves forward. After being in place, the round pipe is inserted into the disk, and then the positioning cylinder 142 is reset, and the pipe-penetrating oil cylinder 13 starts to retreat.

B: When the pipe-penetrating oil cylinder 13 retreats, the cylinder 23 is pushed forward, which drives the tooling platform 28 to move inward and pushes it to the welding position. After the in-position controller 29 detects the signal, the tooling platform 28 stops moving, and the left clamping cylinder 88 and the right The clamping cylinder 100 acts simultaneously to drive the left top 92 and the right top 103 to clamp the round tube. After clamping, the entrusting cylinder 107 moves to hold the round tube, and then the gun-feeding cylinder 86 moves. The gun-feeding cylinder 86 drives the welding gun 21 to drop down to the welding position. The welding power source 6 is turned on to start spot welding. After the spot welding is completed, The chuck cylinder 62 is reset first, then the rotary cylinder 67 is reset, the cylinder 23 is pushed forward and then reset, and the tooling platform 28 returns to the initial position. After the tooling platform 28 returns to the initial position, the rotary motor 95 is powered to drive the main drive shaft 93 to rotate, thereby driving the circular tube to rotate, while the welding power source 6 is turned on again to start ring welding. At the same time of ring welding, repeat the action of step A to thread another workpiece round tube into another set of workpiece disks. After the girth welding is completed, the welding power source 6 is turned off, the rotating motor 95 is stopped, the welding torch 21 is raised and reset, the left clamping cylinder 88 and the right clamping cylinder 100 are reset at the same time to loosen the round pipe, and the custody cylinder 107 is also reset. Along the slope of the unloading rack 24, it slides down onto the two circulating chains A53 of the conveying device 25, and the rotating chains A53 convey the workpieces out. When the welded workpiece slides down onto the conveying device 25, the outer circular tube has already penetrated into the disc, and the action of step B is repeated.

C: When the last workpiece disc 111 of the right group is grabbed, the upper limit controller 125 detects the signal, the top plate oil cylinder 123 begins to fall, and after the drop to the lower limit controller 127 detects the signal, the top plate oil cylinder 123 stops action, the switching cylinder 127 is opened, pushes the tray bottom plate 126 to move to the right on the guide rail D118, and pushes another group of stacked workpiece discs 111 to the grab position to complete the switching, and repeat the above actions. At this time, the workpiece disk 111 can be stacked on the empty positioning column 109, and the two silos can be converted to each other, which improves the production efficiency.

Claims (10)

1. The utility model provides a pole setting workstation is detained to scaffold dish, includes, main body frame (3) and gas holder (20), welding power supply (6), control box (9) and power control box (2) installed on main body frame (3), send a set axle (5), send a motor (4) and solenoid valve (26) to fix respectively on the upper portion of main body frame (3), its characterized in that: a feeding pipe penetrating device (1) is arranged on one side of a main body frame (3), a tool platform (28) is slidably mounted on the main body frame (3), a plurality of overturning clamping piece devices (27) are arranged on the tool platform (28), a left clamping transmission device (10) and a right clamping device (14) are respectively fixed at the left end and the right end of a front end platform of the main body frame (3), a top disc device (12) is arranged at the bottom of the front end of the main body frame (3), the top disc device (12) is matched with a grabbing disc device (8) mounted on the main body frame (3) to send a workpiece disc (111) onto the overturning clamping piece devices (27) to be clamped and overturned in place, a workpiece round pipe penetrates into the workpiece disc (111) through the feeding pipe penetrating device (1), the tool platform (28) slides to push the workpiece into a welding position, and the workpiece round pipe is clamped and driven to rotate through the left clamping transmission device (10), the right clamping device (14) assists the left clamping transmission device (10) to tightly push the workpiece round tube to finish spot welding and girth welding, the left clamping transmission device (10) and the right clamping device (14) release the workpiece, so that the welded workpiece slides down to the conveying device (25) along the discharging frame (24), and the welded workpiece is conveyed into the material frame by the conveying device (25).

2. The scaffold coil poling workstation of claim 1, wherein: the top disc device (12) comprises a positioning column (109), a bin bottom plate (110), a guide rail D (118), a slide block D (119), a slide block E (120), a guide rail E (121), a top disc oil cylinder connecting plate (122), a top disc oil cylinder (123), a top disc base (124), a top disc upright post (125), a tray bottom plate (126) and a conversion air cylinder (127), wherein the top disc oil cylinder (123) is fixed at the bottom of the front end of the main body frame (3), one end of the top disc oil cylinder connecting plate (122) is connected with an oil cylinder rod of the top disc oil cylinder (123), the other end of the top disc oil cylinder connecting plate is connected with the top disc base (124), two guide rails E (121) are vertically fixed on the inner vertical beam of the main body frame (3), the two guide rails E (121) are respectively provided with a slide block E (120) in a sliding way, two ends of the top disk base (124) are fixedly connected with the slide blocks E (120) through bolts, a plurality of top tray columns (125) are uniformly fixed on the upper plane of the top tray base (124);

a plurality of guide rails D (118) are arranged on a front end platform of the main body frame (3), a sliding block D (119) is arranged on each guide rail D (118) in a sliding way, a tray bottom plate (126) is fixed on the sliding block D (119) through bolts, a conversion cylinder (127) is arranged on a front end platform of the main body frame (3), a cylinder rod of the conversion cylinder (127) is connected with one end of the tray bottom plate (126), a plurality of bin bottom plates (110) are fixed on the tray bottom plate (126) through bolts, two through holes are arranged on each bin bottom plate (110), two groups of positioning columns (109) are welded on each bin bottom plate (110), two positioning columns (109) form a group, each group of positioning columns (109) corresponds to a through hole arranged on the bin bottom plate (110), each group of positioning columns (109) is sleeved with a plurality of workpiece discs (111), the workpiece disc (111) sleeved on the positioning column (109) is grabbed by the grabbing disc device (8).

3. The scaffold looping erecting workstation of claim 2, wherein: the top disc device (12) further comprises an upper limit controller (115), a controller support A (116), a lower limit controller (117), a disc signal controller (130) and a controller support B (131), wherein the controller support A (116) is fixed on the right side of the bottom of the front end of the main body frame (3) through bolts, the upper limit controller (115) and the lower limit controller (117) are installed on the controller support A (116), the controller support B (131) is fixed on the right side of the front end platform of the main body frame (3) through bolts, and the disc signal controller (130) is fixed at the upper end of the controller support B (131).

4. The scaffold looping erecting workstation of claim 2, wherein: when the workpiece disc (111) stacked on the uppermost part of the positioning column (109) is grabbed by the grabbing and conveying disc device (8) and a disc signal controller (130) cannot detect the workpiece disc (111), the top disc oil cylinder (123) acts to drive the top disc base (124) to move upwards, so that a top disc upright post (125) arranged on the top disc base (124) penetrates through holes of the tray bottom plate (126) and the bin bottom plate (110) and jacks up the workpiece disc (111), at the same time, when the disc signal controller (130) detects the workpiece disc (111), the top disc oil cylinder (123) is controlled to stop acting, the workpiece disc (111) also stops acting so as to grab and convey the disc device (8) to grab, when the last workpiece disc (111) in the right group is grabbed, a signal is detected by the upper limit controller (115), the top disc oil cylinder (123) is controlled to start falling, and when the lower limit controller (117) detects the signal, the switching cylinder (127) acts to push the tray bottom plate (126) to move on the guide rail D (118) to push the other group of workpiece disks (111) to the grabbing position, so that switching is completed, and the grabbing and sending disk device (8) can grab.

5. The scaffold looping erecting workstation of claim 2, wherein: the disc grabbing and conveying device (8) comprises a disc grabbing beam (108), a disc pushing cylinder (112), a disc pushing slider (113), a disc pushing guide rail (114), a three-jaw cylinder (128) and a falling cylinder (129), wherein the disc pushing cylinder (112) and the disc pushing guide rail (114) are respectively installed on upright columns at two ends of a main body frame (3), the disc pushing slider (113) is installed on the disc pushing guide rail (114) in a sliding mode, two ends of the disc grabbing beam (108) are fixedly connected with the disc pushing slider (113) through bolts, cylinder rods of the two disc pushing cylinders (112) are connected with the disc grabbing beam (108), a plurality of falling cylinders (129) are evenly installed on the disc grabbing beam (108), the three-jaw cylinder (128) is installed on the cylinder rod of each falling cylinder (129), a rod of the falling cylinder (129) extends out to drive the three-jaw cylinder (128) to move downwards, so that the cylinder jaws of the three-jaw cylinder (128) just fall into a hole in the middle of a workpiece disc (111), the three-jaw cylinder (128) acts to enable three cylinder jaws of the three-jaw cylinder (128) to be outwards supported to fix the workpiece disc (111), at the moment, the cylinder rod of the falling cylinder (129) retracts to drive the workpiece disc (111) to ascend and separate from the positioning column (109), and the workpiece disc (111) grabbed by the three-jaw cylinder (128) is respectively conveyed to the corresponding overturning clamping piece devices (27) through the action of the disc pushing cylinder (112).

6. The scaffold looping erecting workstation of claim 5, wherein: the workpiece disc (111) is grabbed and conveyed to the upper surface of a tray plate (68) of a turnover clamping piece device (27) by a cylinder claw of a three-claw cylinder (128), the workpiece disc (111) is clamped by the turnover clamping piece device (27) and turned in place, and a pipe penetrating operation is performed through a feeding pipe penetrating device (1), wherein the feeding pipe penetrating device (1) comprises a feeding cylinder (30), a belt pulley (31), a pipe twisting cylinder (32), a guide rail B (33), a lower pressing connecting plate (34), a pipe twisting support (35), a pipe pushing guide rail (36), a material supporting cylinder plate (37), a material supporting guide pillar (38), a material supporting cylinder connecting plate (39), a material supporting cylinder (40), a pipe supporting frame (41), a feeding frame (42), a guide rail C (43), a sliding block C (44), a pipe penetrating platform (45), a pipe pushing sliding block (46), a pipe pushing sliding plate (47), a pipe supporting die (48), A positioning tip (49), a slide block B (50), a downward pressing cylinder (51), a guide sleeve (141) and a positioning cylinder (142);

the feeding device comprises a feeding frame (42), feeding cylinders (30) are mounted at two ends of the upper surface of the feeding frame (42), the feeding frame (42) is placed behind a pipe penetrating platform (45), one side of the pipe penetrating platform (45) is fixedly connected with a main body frame (3) through bolts, a pipe supporting frame (41) is mounted above the left side of the pipe penetrating platform (45), two guide rails C (43) are fixed on the main surface of the pipe penetrating platform (45) through bolts, sliding blocks C (44) are mounted on the two guide rails C (43) in a sliding mode, the lower end of a pipe twisting support (35) is fixed on the sliding block C (44), a pressing cylinder (51) and a sliding block B (50) are mounted at the upper end of the pipe twisting support (35), the guide rails B (33) are mounted on the sliding block B (50) in a sliding mode, the upper end of the guide rails B (33) is connected with cylinder rods of the pressing cylinder (51) through a pressing connecting plate (34), and the lower end of the guide rails B, a leather wheel (31) is fixed on the shaft of the rubbing tube cylinder (32);

a material supporting cylinder plate (37) is fixed on the main surface of the pipe penetrating platform (45) through a bolt, a material supporting cylinder (40) and a guide sleeve (141) are installed on the material supporting cylinder plate (37), a material supporting guide pillar (38) penetrates into the guide sleeve (141), and the material supporting guide pillar (38) is connected with a cylinder rod of the material supporting cylinder (40) through a material supporting cylinder connecting plate (39);

two push pipe guide rails (36) are fixed on the upper end face of the pipe penetrating platform (45) through bolts, a push pipe sliding block (46) is installed on each push pipe guide rail (36) in a sliding mode, a push pipe sliding plate (47) is fixed on each push pipe sliding block (46), a pipe supporting die (48) is installed above each push pipe sliding plate (47), the lower end of each push pipe sliding plate (47) is connected with an oil cylinder rod of a pipe penetrating oil cylinder (13), a positioning air cylinder (142) is fixed on the bottom face of each pipe supporting die (48), and a positioning tip (49) is installed on an air cylinder rod of each positioning air cylinder (142).

7. The scaffold looping erecting workstation of claim 6, wherein: the feeding frame (42) has a certain inclination, a workpiece round tube is flatly laid on the feeding frame (42), the workpiece round tube is fed onto the supporting tube die (48) and the supporting guide post (38) through the action of the feeding cylinder (30), the pressing cylinder (51) acts to drive the guide rail B (33) to drive the rubbing tube cylinder (32) and the leather wheel (31) to fall down, the leather wheel (31) presses the tube, the rubbing tube cylinder (32) and the positioning cylinder (142) act simultaneously, the leather wheel (31) is driven to rotate through the rubbing tube cylinder (32), the leather wheel (31) rubs with the workpiece round tube to drive the workpiece round tube to rotate, the positioning tip (49) on the positioning cylinder (142) is inserted into a hole of the workpiece round tube, the positioning is completed, the pressing cylinder (51) and the rubbing tube cylinder (32) reset, the penetrating tube cylinder (13) acts to drive the supporting tube die (48) to drive the workpiece round tube to advance, when the workpiece is moved forward for a certain time, the material supporting cylinder (40) acts to drive the material supporting guide post (38) to retract, so that the workpiece circular tube continues to move forward, the tube penetrating cylinder (13) moves forward in place, the workpiece circular tube penetrates into the workpiece disc, the tool platform (28) slides to drive the turnover clamping piece device (27) to move, and the workpiece circular tube penetrating into the workpiece disc (111) and the workpiece disc (111) are conveyed to a welding position together.

8. The scaffold coil poling workstation of claim 1, wherein: three guide rails A (16) are fixed on the upper end surface of a front end platform of a main body frame (3) through bolts, a sliding block A (17) is installed on each guide rail A (16) in a sliding mode, a tool platform (28) is fixed on the sliding block A (17), a plurality of turnover clamping piece devices (27) are evenly fixed on the upper plane of the tool platform (28), a forward pushing cylinder (23) is installed below the front end platform of the main body frame (3), one end of a forward pushing connecting plate (22) is connected with a cylinder rod of the forward pushing cylinder (23), the other end of the forward pushing connecting plate is connected with the tool platform (28), the forward pushing cylinder (23) moves to drive the tool platform (28) to move inwards, so that the turnover clamping piece devices (27) are driven to convey a workpiece circular pipe penetrating into a workpiece disc (111) and the workpiece disc (111) to a welding position together, and the tool platform (28) stops moving after a signal is detected by a position controller, the left clamping transmission device (10) and the right clamping device (14) clamp a workpiece circular tube tightly, the pipe supporting device (15) supports the workpiece circular tube, a welding gun (21) is conveyed to a welding seam position through the gun conveying device (7), the welding power supply (6) is opened, spot welding is started, after the spot welding is finished, the overturning clamping piece device (27) and the tooling platform (28) return to an initial position, the workpiece circular tube is clamped and driven to rotate through the left clamping transmission device (10), the welding power supply (6) is opened again during rotation, circular welding for one circle is completed, and the workpiece is welded well.

9. The scaffold looping erecting workstation of claim 8, wherein: the welded workpieces slide onto a conveying device (25) along a discharging frame (24), the workpieces are conveyed out by the conveying device (25), and the conveying device (25) comprises a transmission box body (52), a chain A (53), a chain wheel A (54), a transmission motor plate (55), a transmission motor (56), a chain B (57), a bearing (58), a chain wheel shaft sleeve (59), a fixed shaft (60), a chain wheel B (61) and a chain wheel C (143);

fixed shafts (60) are installed at two ends in the transmission case body (52), bearings (58) are installed at two ends of the left fixed shaft (60), a chain wheel shaft sleeve (59) is sleeved on the bearings (58), and a chain wheel A (54) and a chain wheel C (143) are welded on the chain wheel shaft sleeve (59); bearings (58) are installed at two ends of a right fixed shaft (60), a chain wheel shaft sleeve (59) is sleeved on the bearings (58), a chain wheel A (54) is welded on the chain wheel shaft sleeve (59), and two chains A (53) are hung on the chain wheels A (54) at the left end and the right end respectively;

a transmission motor plate (55) is fixed on the transmission box body (52) through bolts, a transmission motor (56) is fixed on the transmission motor plate (55), a chain wheel B (61) is embedded on a shaft of the transmission motor (56), and the chain wheel B (61) is connected with a chain wheel C (143) through a chain B (57);

the transmission motor (56) is powered on to rotate, the chain B (57) drives the chain wheel C (143) to rotate, so that the chain wheel A (54) is driven to form a closed continuous circulating transmission structure through the chain A (53), the two chains A (53) are in continuous circulating transmission, a welded workpiece falls on the chain A (53), and the workpiece is transmitted out through the circulating transmission of the chains A (53).

10. The scaffold looping erecting workstation of claim 9, wherein: the welding machine is characterized in that the discharging frame (24) is provided with a certain inclination and fixed at the middle position of the lower end in the main body frame (3) through bolts, one end of the discharging frame (24) is connected with the conveying device (25), and a welded workpiece slides down along the discharging frame (24) and just falls onto a chain A (53) of the conveying device (25) so as to be conveyed out.

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