CN214602674U - Automatic welding production line for flanges - Google Patents

Abstract

The utility model relates to an automatic welding production line of flanges, which relates to the field of steel pipe manufacturing equipment and comprises a feeding rack, a discharging rack, a first bearing rack, a second bearing rack, an automatic feeding component, an outer ring welding gun component, a pipe conveying trolley and an inner ring welding gun component; the pipe conveying trolley comprises a first bearing rack, a second bearing rack, a feeding rack, a discharging rack and a pipe conveying trolley, wherein the first bearing rack and the second bearing rack are arranged in parallel at intervals; the outer lane welder subassembly branch is put at the both ends of first bearing rack, inner circle welder subassembly branch is put at the both ends of second bearing rack, automatic feeding subassembly branch is put at the both ends of first bearing rack to set up in one side of outer lane welder subassembly. The utility model discloses can realize the automatic weld of flange and steel pipe, production efficiency is high.

Description

Automatic welding production line for flanges

Technical Field

The utility model relates to a steel pipe manufacture equipment field especially relates to a flange automatic weld production line.

Background

In order to meet the requirements of installation, assembly, use and the like of the pipe fitting, flanges are welded at two ends of the pipe fitting sometimes. If a manual welding mode is adopted, the problems of low efficiency, large welding effect difference and the like exist. Chinese utility model with publication number CN210024318U discloses a welding auxiliary device for welding stainless steel circular pipe flanges. Although the welding efficiency can be improved by using the method, the feeding or discharging operation still needs to be finished manually, and the full-automatic operation of the whole technological process cannot be realized. Therefore, a set of automatic flange welding production line needs to be designed to improve the automation degree of production, guarantee the production effect and improve the production efficiency.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the deficiencies in the prior art, the utility model provides a flange automatic weld production line.

The technical scheme is as follows: in order to achieve the purpose, the utility model discloses an automatic welding production line of flanges, which comprises a feeding rack and a blanking rack for bearing steel pipes, a first bearing rack, a second bearing rack, an automatic feeding assembly, an outer ring welding gun assembly, a pipe conveying trolley and an inner ring welding gun assembly; the pipe conveying trolley is arranged between the feeding rack and the discharging rack, and a pipe to be welded moves among the feeding rack, the first bearing rack, the second bearing rack and the discharging rack under the driving of the pipe conveying trolley; the outer lane welder subassembly branch is put at the both ends of first bearing rack, inner circle welder subassembly branch is put at the both ends of second bearing rack, automatic feeding subassembly branch is put at the both ends of first bearing rack to set up in one side of outer lane welder subassembly.

Furthermore, the feeding rack comprises a plurality of support rods and material stoppers which are arranged in parallel at intervals; the two ends of the supporting rod are respectively provided with a bulge for preventing the steel pipe from rolling off, each supporting rod corresponds to two material stoppers, one material stopper is fixedly connected with the supporting rod, the other material stopper is connected with the supporting rod in a sliding manner, and the material stoppers are arranged at one end of the supporting rod close to the first bearing rack; the top end of the material stopper is provided with a stop pin capable of extending out.

Further, the pipe conveying trolley comprises a trolley body and a guide rail; the guide rail is arranged transversely and longitudinally in a crossed manner with the first bearing rack and the second bearing rack, and the vehicle body is connected with the guide rail in a sliding manner; the bottom of automobile body is connected with the wheel body through first motor drive, the upper portion of automobile body is connected with the V template of liftable.

Furthermore, at least two groups of driven carrier rollers are connected to the first bearing rack.

Furthermore, the second bearing rack is connected with at least one driving carrier roller and at least one driven carrier roller.

Further, the driving carrier roller comprises a bracket, a speed reducer, a connecting shaft, a first roller body, a second roller body, a crankshaft, a chain and a second motor; the second motor is fixedly connected with the support, the connecting shaft is in driving connection with the output end of the second motor through a chain, the first roller body and the second roller body are respectively in rotating connection with the support, two ends of the connecting shaft are respectively in fixed connection with the input end of the speed reducer, and the first roller body and the second roller body are respectively in driving connection with the output end of the speed reducer through a crankshaft.

Further, the inner ring welding gun assembly comprises a rack, a support column, a first gun body and a universal joint module; the frame and second bearing rack sliding connection, the bottom and the frame fixed connection of pillar, universal joint module and pillar sliding connection, the universal joint module slides along the horizontal direction, first rifle body and universal joint module releasable connection.

Has the advantages that: the utility model discloses a flange automatic weld production line, transfer the steel pipe from the material loading rack to the first bearing rack through fortune pipe dolly earlier and carry out the outer lane welding of flange and steel pipe, then transfer the steel pipe from the first bearing rack to the second bearing rack through fortune pipe dolly and carry out the inner circle welding of flange and steel pipe, at last transfer the steel pipe from the second bearing rack to the unloading rack; the whole welding process is completely automated, and the production efficiency is improved while the welding effect is ensured.

Drawings

Fig. 1 is a schematic structural layout diagram of the present invention;

fig. 2 is a schematic structural view of the automatic feeding assembly of the present invention;

fig. 3 is a schematic structural view of the bracket of the present invention;

fig. 4 is a schematic structural diagram of the outer ring welding gun assembly according to the present invention;

fig. 5 is a schematic view of the internal structure of the outer ring welding gun assembly according to the present invention;

fig. 6 is a schematic view of a connection structure of a second gun body in the outer ring welding gun assembly according to the present invention;

fig. 7 is a schematic structural view of the clamping jaw of the present invention;

fig. 8 is a schematic structural view of the inner ring welding gun assembly according to the present invention;

fig. 9 is a schematic structural view of the pipe conveying trolley of the present invention;

fig. 10 is a schematic structural view of the driving idler of the present invention;

fig. 11 is a schematic structural view of the driven idler of the present invention;

fig. 12 is a schematic structural view of the joint of the striker of the present invention.

In the figure, 1, a feeding rack; 2. a blanking rack; 3. a first support rack; 4. a second support stand; 5. an automatic feeding assembly; 6. an outer ring welding gun assembly; 7. a pipe conveying trolley; 8. an inner ring welding gun assembly; 9. a support bar; 10. a material stopping device; 11. a protrusion; 12. a stop pin; 13. a vehicle body; 14. a guide rail; 15. a first motor; 16. a wheel body; 17. a V-shaped plate; 18. a driven carrier roller; 19. a driving carrier roller; 20. a support; 21. a speed reducer; 22. a connecting shaft; 23. a first roller body; 24. a second roller body; 25. a crankshaft; 26. a chain; 27. a second motor; 28. a frame; 29. a pillar; 30. a first gun body; 31. a gimbal module; 32. a guide assembly; 33. a support plate; 34. a telescopic rod; 35. a third motor; 36. a driving gear; 37. a driven gear; 38. a mandrel; 39. a fixed flange; 40. a clamping jaw; 41. a top tray assembly; 42. a second gun body; 43. a guide bar; 44. a spring; 45. a tray body; 46. a guide groove; 47. a gantry; 48. a column; 49. a suction cup; 50. a bracket; 51. a groove; 52. a push rod.

Detailed Description

The principles and features of the present invention will be described with reference to the accompanying drawings, 1-12, wherein the examples are provided for illustration only and are not intended to limit the scope of the invention.

The utility model provides a flange automatic weld production line, includes material loading rack 1, unloading rack 2, first bearing rack 3, second bearing rack 4, automatic feeding subassembly 5, outer lane welder subassembly 6, fortune pipe dolly 7 and inner circle welder subassembly 8. First bearing rack 3 and the parallel interval setting of second bearing rack 4, material loading rack 1 sets up in one side of first bearing rack 3, unloading rack 2 sets up in one side of second bearing rack 4, outer lane welder subassembly 6 divides and puts at the both ends of first bearing rack 3, inner circle welder subassembly 8 divides and puts at the both ends of second bearing rack 4. The feeding rack 1 is used for placing steel pipes in front of the welding flanges, and the discharging rack 2 is used for placing steel pipes behind the welding flanges. The outer ring welding gun assembly 6 is used for welding the outer sides of the flange and the steel pipe, and the inner ring welding gun assembly 8 is used for welding the inner sides of the flange and the steel pipe. The pipe conveying trolley 7 can move among the feeding rack 1, the first bearing rack 3, the second bearing rack 4 and the discharging rack 2, so that the transfer of the steel pipes among all the processes is realized.

The structure of material loading rack 1 is roughly the same with unloading rack 2, mainly comprises the bracing piece 9 that four parallel intervals set up, material loading rack 1 lies in with the difference of unloading rack 2: the feeding rack 1 further comprises a material stopper 10. The four support rods 9 are divided into two groups and used for supporting the main body part of the steel pipe. And two ends of the supporting rod 9 are respectively provided with a bulge 11 for preventing the steel pipe from rolling off. In this embodiment, two of the support rods 9 are connected with material stoppers 10, and each support rod 9 is connected with two material stoppers 10. The material blocking devices 10 are arranged at one end close to the first bearing rack 3, one material blocking device 10 is fixedly connected with the supporting rod 9, and the other material blocking device 10 is connected with the supporting rod 9 in a sliding mode. Specifically, the sliding connection between the stopper 10 and the support rod 9 is realized by a screw, as shown in fig. 12. The top of the material stopper 10 is provided with a retractable stop pin 12, and the retraction of the stop pin 12 is realized by an air cylinder.

The pipe conveying trolley 7 comprises a trolley body 13 and a guide rail 14. The guide rail 14 is transversely and longitudinally crossed with the first supporting rack 3 and the second supporting rack 4, and the car body 13 is in sliding connection with the guide rail 14. In the embodiment, two pipe conveying trolleys 7 are used to improve the transportation and transfer efficiency. The bottom of automobile body 13 is connected with through first motor 15 driven wheel body 16, the upper portion of automobile body 13 is connected with the V template 17 of liftable, the lift of V template 17 is realized through the cylinder.

Two sets of driven bearing rollers 18 are connected to the first bearing rack 3, and the two sets of driven bearing rollers 18 are respectively close to the two ends of the first bearing rack 3 and are used for supporting steel pipes to be welded. And a group of driving carrier rollers 19 and a group of driven carrier rollers 18 are connected to the second bearing rack 4. The driving carrier roller 19 comprises a bracket 20, two speed reducers 21, a connecting shaft 22, a first roller body 23, a second roller body 24, a crankshaft 25, a chain 26 and a second motor 27; the second motor 27 is fixedly connected with the support 20, the connecting shaft 22 is connected with the output end of the second motor 27 through a chain 26 in a driving manner, the first roller body 23 and the second roller body 24 are respectively connected with the support 20 in a rotating manner, two ends of the connecting shaft 22 are respectively fixedly connected with the input end of the speed reducer 21, and the first roller body 23 and the second roller body 24 are respectively connected with the output end of the speed reducer 21 through a crankshaft 25 in a driving manner. The steel pipe is driven by the driving carrier roller 19 to rotate in the circumferential direction.

The outer ring welding gun assembly 6 comprises a guide assembly 32, a supporting plate 33, a telescopic rod 34, a third motor 35, a driving gear 36, a driven gear 37, a mandrel 38, a fixing flange 39, a clamping jaw 40, a top plate assembly 41 and a second gun body 42; the guide component 32 is fixedly connected with the first holding rack 3, the supporting plate 33 is connected with the guide component 32 in a sliding way, and the sliding of the supporting plate 33 can be realized through an air cylinder. The telescopic rod 34 is rotatably connected with the supporting plate 33, the driven gear 37 is relatively fixed with the telescopic rod 34, the third motor 35 is relatively fixed with the supporting plate 33, the output end of the third motor 35 is connected with the driving gear 36, and the driving gear 36 is in meshing transmission with the driven gear 37, so that the telescopic rod 34 rotates. The output end of the telescopic rod 34 is fixedly connected with the mandrel 38, the mandrel 38 is conical, the fixed flange 39 is fixed relative to the telescopic rod 34, and the telescopic rod 34 can move the mandrel 38 back and forth relative to the fixed flange 39. A plurality of the top disk assemblies 41 are spaced circumferentially about the spindle 38. The top plate assembly 41 includes a guide rod 43, a spring 44, and a plate body 45. The fixed flange 39 is provided with a plurality of guide grooves 46 at intervals along the circumferential direction, the guide rod 43 is slidably connected in the guide grooves 46, the bottom of the guide rod 43 extends out of the guide grooves 46 and is fixedly connected with the disc body 45, the spring 44 is arranged in the guide grooves 46, and the guide rod 43 can enable the disc body 45 to be always in pressing connection with the mandrel 38 under the action of the spring 44. The spindle 38 moves back and forth to slide the disk 45 in a radial direction. The second gun body 42 is connected above the fixing flange 39 in a lifting manner, and the lifting manner of the second gun body 42 is realized by a motor and a lead screw, as shown in fig. 5. The clamping jaws 40 are connected to the fixing flange 39 by means of a rotary cylinder. The clamping jaws 40 are used for fixing flanges to be welded, and the top plate assembly 41 is used for fixing steel pipes to be welded.

The inner ring weld gun assembly 8 includes a frame 28, a strut 29, a first gun body 30, and a gimbal module 31. The frame 28 is connected with the second support stand 4 in a sliding mode, the bottom end of the strut 29 is fixedly connected with the frame 28, the universal joint module 31 is connected with the strut 29 in a sliding mode, the universal joint module 31 slides in the horizontal direction, the first gun body 30 is detachably connected with the universal joint module 31, and the first gun body 30 can rotate relatively under the effect of the universal joint module 31. The gimbal module 31 may be any one that can currently implement this solution.

The automatic feeding assembly 5 is used for moving the flange to be welded to the outer ring welding gun assembly 6. The automatic feeding assembly 5 corresponds to the outer ring welding gun assembly 6 one by one. The automatic feeding assembly 5 comprises a portal frame 47, a stand column 48, a suction cup 49 and a bracket 50. The upright post 48 is connected with the portal frame 47 in a sliding manner, and the upright post 48 can slide horizontally. The sucking disc 49 is connected with the upright post 48 in a sliding way, and the sucking disc 49 can slide up and down. The bracket 50 is arranged below the portal frame 47 and is provided with a groove 51 for placing a flange to be welded, and the tail part of the groove 51 is provided with a push rod 52.

The working process of the device is as follows: (S1) the automatic feeding component 5 moves the flange to be welded to the outer ring welding gun component 6 and fixes the flange to be welded on the outer ring welding gun component 6 through the clamping jaw 40; (S2) the pipe conveying trolley 7 moves the steel pipe to be welded to the first bearing rack 3; (S3) moving the two outer ring welding gun assemblies 6 towards each other to fix the flanges to be welded at the two ends of the steel pipe to be welded, and moving the mandrel 38 to drive the top disc assembly 41 to fix the steel pipe; (S4) the third motor 35 is started, and the flange to be welded and the steel pipe to be welded are rotated in synchronization, and at the same time, the outer ring welding gun assembly 6 starts welding; (S5) after the welding of the flange and the outer part of the steel pipe is finished, the pipe conveying trolley 7 moves the steel pipe and the flange to the second bearing rack 4, the driving carrier roller 19 drives the steel pipe and the flange to rotate together, and meanwhile, the inner ring welding gun assembly 8 starts to work; (S6) when the welding work of the steel pipe and the flange is finished, the pipe conveying trolley 7 moves the welded steel pipe to the blanking rack 2.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a flange automatic weld production line, is including material loading rack (1) and unloading rack (2) that are used for the bearing steel pipe, its characterized in that: the automatic pipe conveying device is characterized by also comprising a first bearing rack (3), a second bearing rack (4), an automatic feeding assembly (5), an outer ring welding gun assembly (6), a pipe conveying trolley (7) and an inner ring welding gun assembly (8); the pipe conveying trolley is characterized in that the first bearing rack (3) and the second bearing rack (4) are arranged in parallel at intervals, the feeding rack (1) is arranged on one side of the first bearing rack (3), the blanking rack (2) is arranged on one side of the second bearing rack (4), the pipe conveying trolley (7) is arranged between the feeding rack (1) and the blanking rack (2), and a pipe to be welded moves among the feeding rack (1), the first bearing rack (3), the second bearing rack (4) and the blanking rack (2) under the driving of the pipe conveying trolley (7); outer lane welder subassembly (6) branch is put at the both ends of first bearing rack (3), inner circle welder subassembly (8) branch is put at the both ends of second bearing rack (4), automatic feeding subassembly (5) branch is put at the both ends of first bearing rack (3) to set up in one side of outer lane welder subassembly (6).

2. The automatic welding production line of flanges according to claim 1, characterized in that: the feeding rack (1) comprises a plurality of supporting rods (9) and material stoppers (10) which are arranged in parallel at intervals; bulges (11) for preventing the steel pipes from rolling off are respectively arranged at two ends of the supporting rod (9), each supporting rod (9) corresponds to two material stoppers (10), one material stopper (10) is fixedly connected with the supporting rod (9), the other material stopper (10) is in sliding connection with the supporting rod (9), and the material stoppers (10) are arranged at one end, close to the first bearing rack (3), of the supporting rod (9); the top end of the material stopper (10) is provided with an extensible stop pin (12).

3. The automatic welding production line of flanges according to claim 1, characterized in that: the pipe conveying trolley (7) comprises a trolley body (13) and a guide rail (14); the guide rail (14) is transversely and longitudinally crossed with the first bearing rack (3) and the second bearing rack (4), and the vehicle body (13) is in sliding connection with the guide rail (14); the bottom of automobile body (13) is connected with wheel body (16) through first motor (15) drive, the upper portion of automobile body (13) is connected with liftable V template (17).

4. The automatic welding production line of flanges according to claim 1, characterized in that: and at least two groups of driven carrier rollers (18) are connected to the first bearing rack (3).

5. The automatic welding production line of flanges according to claim 1, characterized in that: and the second bearing rack (4) is connected with at least one driving carrier roller (19) and at least one driven carrier roller (18).

6. The automatic welding production line of flanges according to claim 5, characterized in that: the driving carrier roller (19) comprises a bracket (20), a speed reducer (21), a connecting shaft (22), a first roller body (23), a second roller body (24), a crankshaft (25), a chain (26) and a second motor (27); second motor (27) and support (20) fixed connection, connecting axle (22) are connected through the output drive of chain (26) with second motor (27), first roll body (23) and second roll body (24) respectively with support (20) swivelling joint, the both ends of connecting axle (22) respectively with the input fixed connection of speed reducer (21), first roll body (23) and second roll body (24) are connected through the output drive of bent axle (25) with speed reducer (21) respectively.

7. The automatic welding production line of flanges according to claim 1, characterized in that: the inner ring welding gun assembly (8) comprises a rack (28), a support column (29), a first gun body (30) and a universal joint module (31); frame (28) and second bearing rack (4) sliding connection, the bottom and frame (28) fixed connection of pillar (29), universal joint module (31) and pillar (29) sliding connection, universal joint module (31) slide along the horizontal direction, first rifle body (30) and universal joint module (31) releasable connection.

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