Large flange plate spin welding device

Abstract

The utility model discloses a rotary welding device for a large flange plate, which belongs to the technical field of clamps and comprises a rotary frame component, an underframe component, a supporting wheel component and a fastening and clamping device, and the rotary frame component is a circular whole consisting of four groups of fan-shaped frames; two semicircular steel plates are arranged on the frame to form a panel, and five V-shaped groove scale marks with different diameters and sizes are arranged on the panel and are reference size lines when workpieces are placed; meanwhile, 30 steel sleeves are further arranged on the panel, straight clamping grooves are formed in the top ends of the steel sleeves, and the straight clamping grooves are used for limiting the directions of matched parts. The outer ring of the bottom of the frame is provided with a supporting wheel sliding way plate, and the surface smoothness and planeness of the sliding way contact surface are guaranteed. According to the rotary welding device for the large flange plate, the automatic welding robot on the rotary welding device can intelligently identify the specification of a welding seam, can be used for welding large, medium and small workpieces, can realize 24-hour uninterrupted work, and is relatively high in working efficiency, good in consistency of the welded workpieces and stable in welding quality.

Description

Technical Field

[0001] The utility model belongs to the technical field of clamps, and in particular relates to a large flange rotary welding device. Background Art

[0002] At present, large flanges are mostly processed by manual welding. Due to the large size of the flange, many reinforcing ribs, and long welds, the quality problems of weld seam porosity and leaks will occur, making it difficult to meet the requirements of the drawings. This will lead to a large number of defective products that need to be repeatedly repaired, which wastes raw materials and reduces production efficiency, bringing inconvenience to the company.

[0003] Therefore, we propose a large flange rotary welding device to solve the above problems. Utility Model Content

[0004] The main purpose of the utility model is to provide a large flange rotary welding device, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A large flange rotary welding device comprises a rotary frame assembly, a base frame assembly, a support wheel assembly and a fastening clamping device.

[0007] The rotating frame assembly is a circular whole composed of four groups of fan-shaped frames; there are two semicircular steel plates on the frame to form a panel, and 5 V-shaped groove scale lines of different diameters are provided on the panel, which are used as reference dimension lines when placing workpieces; at the same time, there are 30 steel sleeves on the panel, and the top of the steel sleeve is provided with a straight groove, and the straight groove is to limit the direction of the mating parts; the outer ring at the bottom of the frame is provided with a support wheel slide plate, and the contact surface with the slide must ensure the surface finish and flatness dimensions; the core of the frame is provided with a circular steel plate, and a plurality of threaded holes and positioning pin holes are drilled around the steel plate; the outer ring of the rotating frame is a channel steel circular steel ring frame, and a plurality of rib plates are provided in the groove to ensure the rigidity of the steel ring. The rotating frame assembly includes a positioning sleeve, a first pad, a motor connecting flange, a flange, a second pad, a first hexagon socket bolt, a spring washer, a second hexagon socket bolt, a third hexagon socket bolt, a first washer, a pin, a reduction motor, a rotating drive device, and a second washer;

[0008] The chassis assembly includes an upper anchor plate, a square tube upper support, a semicircular steel plate, a positioning flange, a channel steel plate, a triangular rib plate, a channel steel support, a hook, a square tube lower support, a square tube horizontal support, a channel steel inclined support, a lower anchor plate, a channel steel short rib plate and an arc plate, wherein the chassis assembly includes a channel steel support, the center of which is welded to the positioning flange compared to the center of the circle, and the outer side of the channel steel support is connected to the semicircular steel plate; the ends of the channel steel support are respectively provided with a square tube upper support, a square tube lower support, an upper anchor plate and a lower anchor plate, and the upper anchor plate is provided with a threaded hole to connect with the support wheel assembly; triangular rib plates and channel steel supports are provided on both sides for connection and fixation; four lifting hooks are provided around the chassis assembly;

[0009] The support wheel assembly includes an end plate, a bottom plate, an intermediate support plate, a shaft washer, a bearing sleeve, a bearing outer wheel, a long shaft, a third washer, a deep groove bearing and a nut. The support wheel assembly is welded together by two end plates, a bottom plate and an intermediate support plate, and three concentric holes are arranged on the upper part of the plate; the support wheel assembly is composed of two groups of bearing sleeves, bearing outer wheels and deep groove bearings, and can withstand a gravity of 10 tons; the support wheel assembly is used to respectively install the two groups of bearing outer wheels into the frame through the long shaft and the third washer, and is tightened with nuts;

[0010] The fastening and clamping device includes a screw seat, a screw nut, a screw and a round shaft, wherein the fastening and clamping device is a welded part body composed of a screw seat, a screw nut and a round shaft, a round hole is provided in the middle of the screw seat to connect with the screw nut, and a round hole is provided at the bottom of the screw seat to connect with the round shaft; the screw is inserted into the screw nut and rotated for clamping; the φ65-0.14-0.33×360-0.1 boss at the bottom of the screw seat cooperates with the groove of the tooling main body steel sleeve to fix the position.

[0011] As a preferred embodiment, it also has a rotary drive device, which includes an upper transition plate and a lower transition plate, and the upper transition plate and the lower transition plate are fixedly connected to the rotating frame assembly and the chassis assembly respectively. The maximum diameter of the welding workpiece turntable is 3200mm, the circumference is 3200×3.14=10048mm; 10048mm circumference / 200mm slowest=50.24 minutes / revolution, about 0.02 revolutions / minute; reduction ratio 150:1, output torque (Max.) 18kNm, axial load (Max.) 2360kN, radial load (Max.) 945kN, output speed ≤1rpm (rated), ≤1.5rpm (Max.).

[0012] As a preferred embodiment, the support wheel assembly includes four groups of symmetrically arranged square tube support frames welded together, and the tops of the four groups of square tube support frames are provided with circular steel plate panels, and the surface of the panel is engraved with arc dimension lines and 30 steel sleeve holes are installed.

[0013] As a preferred implementation scheme, the lower core of the four groups of square tube support frames is provided with a rotating flange threaded hole and a positioning pin hole, and the outer lower end of the four square tube support frame is provided with a supporting wheel circular slide plate to ensure that the circular slide plate is parallel to the track surface of the base frame assembly supporting wheel, so that the rotating frame can run smoothly.

[0014] As a preferred implementation scheme, six upper and lower anchor plates are installed at the ends of the channel steel support to ensure safe and reliable load bearing. The upper core of the chassis assembly is also provided with a positioning flange threaded hole and a positioning pin hole.

[0015] As a preferred implementation scheme, the support wheel assembly is composed of two bearing outer wheels assembled side by side as a group, and the end plate is provided with three threaded holes and three round holes. The three threaded holes are for adjusting the height distance of the rollers, and the three round holes are for fastening bolt holes. The six groups of support wheels are particularly used to increase the load capacity of the tooling.

[0016] As a preferred embodiment, a gear box is provided on the side of the rotary drive device, and a motor shaft reference hole is provided at one end. The two end surface stoppers of the motor connecting flange are connected to the reduction motor reference hole, and the motor connecting flange is provided with a threaded hole to connect to the rotary drive device.

[0017] As a preferred embodiment, a screw nut is provided in the middle of the screw seat, and a positioning shaft is provided in the circular hole below. A rectangular quenched positioning block is provided on one side of the lower end of the screw seat, which cooperates with the steel sleeve in the rotating frame to clamp the workpiece.

[0018] In summary, the technical effects and advantages of the utility model are as follows:

[0019] This large flange rotary welding device benefits from the fact that the rotary welding device is welded with the help of robot welding equipment, which uses robot technology to achieve a higher level of automatic welding. In order to achieve higher operating efficiency through automatic welding and "robot welding", "robot welding" is a manipulator that can apply multi-axis, and has excellent welding effects on intricate positions and inconsistent welding line widths. The automatic welding robot can intelligently identify weld specifications, can be used for welding large, medium and small workpieces, can achieve 24-hour uninterrupted work, has high work efficiency, good consistency of workpieces after welding, and stable welding quality. Automatic welding robots are gradually recognized by manufacturing companies, and in actual production, they also improve the efficiency of input-output. The replacement of manual welding by automatic welding robots is the trend of automation development. The core of future enterprise development is automation and intelligence. Welding will be liberated from monotonous and complicated physical labor and engage in more creative work;

[0020] Thanks to the large flange rotary welding device of the utility model, clamping and positioning are achieved through the rotary welding device, and then connected with the "welding robot" equipment system for coordinated welding, which is convenient, fast and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of the utility model when welding a workpiece;

[0022] Figure 2 For this utility model Figure 1 A magnified view of the structure at center;

[0023] Figure 3 For this utility model Figure 1 A magnified view of the structure at B in the middle;

[0024] Figure 4 It is a top view of the rotating frame assembly of the utility model;

[0025] Figure 5 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 6 It is a structural schematic diagram of one side of the chassis assembly of the utility model;

[0027] Figure 7 It is a structural schematic diagram of the other side of the chassis assembly of the utility model;

[0028] Figure 8 It is a top view of the chassis assembly of the utility model;

[0029] Fig. 9 It is a cross-sectional view of the support wheel assembly of the utility model;

[0030] Fig.10 It is a structural schematic diagram of the fastening and clamping device of the utility model.

[0031] In the figure: 1, rotating frame assembly; 5, upper transition plate; 6, positioning sleeve; 7, lower transition plate; 8, first pad; 9, motor connection flange; 10, flange; 11, second pad; 12, first hexagon socket bolt; 13, spring washer; 14, second hexagon socket bolt; 15, third hexagon socket bolt; 16, first washer; 17, pin; 18, reduction motor; 19, rotation drive device; 20, second washer; 21, workpiece to be welded;

[0032] 2. Chassis assembly; 201. Upper anchor plate; 202. Square tube upper support; 203. Semicircular steel plate; 204. Positioning flange; 205. Channel steel plate; 206. Triangular rib plate; 207. Channel steel support; 208. Hook; 209. Square tube lower support; 210. Square tube horizontal support; 211. Channel steel oblique support; 212. Lower anchor plate; 213. Channel steel short rib plate; 214. Arc plate;

[0033] 3. Support wheel assembly; 301. End plate; 302. Bottom plate; 303. Intermediate support plate; 304. Shaft pad; 305. Bearing sleeve; 306. Bearing outer wheel; 307. Long shaft; 308. Third washer; 309. Deep groove bearing; 310. Nut;

[0034] 4. Fastening and clamping device; 401. Screw seat; 402. Screw nut; 403. Screw; 404. Round shaft. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0036] Reference Figure 1-Figure 10 A large flange rotary welding device comprises a rotary frame assembly 1, a base frame assembly 2, a support wheel assembly 3 and a fastening clamping device 4, wherein the rotary frame assembly 1 is used to support a workpiece 21 to be welded;

[0037] The rotating frame assembly 1 is a circular whole composed of four groups of fan-shaped frames; there are two semicircular steel plates on the frame to form a panel, and 5 V-shaped groove scale lines of different diameters are arranged on the panel, which are used as reference dimension lines when placing workpieces; at the same time, 30 steel sleeves are arranged on the panel, and straight grooves are arranged on the top of the steel sleeves, and the straight grooves are used to limit the direction of the mating parts; the outer ring of the bottom of the frame is provided with a support wheel slide plate, and the contact surface with the slide must ensure the surface finish and flatness dimensions; the core of the frame is provided with a circular steel plate, and a plurality of threaded holes and positioning pin holes are drilled around the steel plate; the outer ring of the rotating frame is a channel steel circular steel ring frame, and a plurality of rib plates are arranged in the groove to ensure the rigidity of the steel ring. The rotating frame assembly 1 includes a positioning sleeve 6, a first gasket 8, a motor connecting flange 9, a flange 10, a second gasket 11, a first hexagon socket bolt 12, a spring washer 13, a second hexagon socket bolt 14, a third hexagon socket bolt 15, a first washer 16, a pin 17, a reduction motor 18, a rotating drive device 19 and a second gasket 20;

[0038] The chassis assembly 2 includes an upper anchor plate 201, a square tube upper support 202, a semicircular steel plate 203, a positioning flange 204, a channel steel plate 205, a triangular rib plate 206, a channel steel support 207, a hook 208, a square tube lower support 209, a square tube horizontal support 210, a channel steel oblique support 211, a lower anchor plate 212, a channel steel short rib plate 213 and an arc plate 214, wherein the chassis assembly 2: includes a channel steel support 207, which is welded to the positioning flange at the center compared to the center of the circle, and the channel steel support 207 The outer side is connected to the semicircular steel plate 203; the ends of the channel steel support 207 are respectively provided with a square tube upper support 202, a square tube lower support 209, an upper anchor plate 201, and a lower anchor plate 212. The upper anchor plate 201 is provided with a threaded hole to connect with the support wheel assembly 3; triangular rib plates 206 are provided on both sides to connect and fix with the channel steel support 207; four lifting hooks are provided around the base frame assembly 2; six upper anchor plates 201 and lower anchor plates 212 are respectively installed at the ends of the channel steel support 207 to ensure safe and reliable load-bearing. The upper core of the base frame assembly 2 is also provided with a positioning flange threaded hole and a positioning pin hole;

[0039] The support wheel assembly 3 includes an end plate 301, a bottom plate 302, an intermediate support plate 303, a shaft washer 304, a bearing sleeve 305, a bearing outer wheel 306, a long shaft 307, a third washer 308, a deep groove bearing 309 and a nut 310, wherein the support wheel assembly 3 is welded by two end plates 301, a bottom plate 302 and an intermediate support plate 303, and three concentric circular holes are provided on the upper part of the plate; the support wheel assembly 3 is composed of two groups of bearing sleeves 305, a bearing outer wheel 306, and a deep groove bearing 309, and can withstand a gravity of 10 tons; the support wheel assembly 3 is connected through the long shaft 307 and The third washer 308 respectively installs the two groups of bearing outer wheels 306 into the frame and tightens them with nuts 310; the support wheel assembly 3 includes four groups of symmetrically arranged square tube support frames welded together, and the tops of the four groups of square tube support frames are provided with circular steel plate panels, and the surface of the panel is engraved with arc dimension lines and 30 steel sleeve holes for installation; the support wheel assembly 3 is composed of two bearing outer wheels 306 assembled side by side as a group, and the end plate 301 is provided with three threaded holes and three round holes. The three threaded holes are used to adjust the height distance of the rollers, and the three round holes are fastening bolt holes. The six groups of support wheels are especially used to increase the load capacity of the tooling;

[0040] The fastening and clamping device 4 includes a screw seat 401, a screw nut 402, a screw 403 and a round shaft 404, wherein the fastening and clamping device 4: is a welded part body composed of a screw seat 401, a screw nut 402 and a round shaft 404, a round hole is provided in the middle of the screw seat 401 to connect with the screw nut 402, and a round hole is provided at the bottom of the screw seat 401 to connect with the round shaft 404; the screw 403 is inserted into the screw nut 402 and rotated for clamping; the φ65-0.14-0.33×360-0.1 boss at the bottom of the screw seat 401 cooperates with the groove of the tooling main body steel sleeve to fix the position.

[0041] The large flange rotary welding device also has a rotary drive device, which includes an upper transition plate 5 and a lower transition plate 7, and the upper transition plate 5 and the lower transition plate 7 are fixedly connected to the rotating frame assembly and the chassis assembly respectively. The maximum diameter of the welding workpiece rotary table is 3200mm, the circumference is 3200×3.14=10048mm; 10048mm circumference / 200mm slowest=50.24 minutes / revolution, about 0.02 revolutions / minute; reduction ratio is 150:1, output torque (Max.) is 18kNm, axial load (Max.) is 2360kN, radial load (Max.) is 945kN, output speed is ≤1rpm (rated), ≤1.5rpm (Max.).

[0042] It is worth noting that the core of the lower end of the four groups of square tube support frames is provided with a rotating flange threaded hole and a positioning pin hole, and the lower end of the outer side of the four square tube support frame is provided with a supporting wheel circular slide plate to ensure that the circular slide plate is parallel to the track surface of the support wheel of the base frame assembly, so that the rotating frame can run smoothly.

[0043] A gear box is provided on the side of the rotary drive device, and a motor shaft reference hole is provided at one end, and the stoppers at both end surfaces of the motor connection flange are connected to the reduction motor reference hole, and the motor connection flange is provided with a threaded hole to connect with the rotary drive device;

[0044] A screw nut 402 is provided in the middle of the screw seat 401, and a positioning shaft is provided in the circular hole below. A rectangular hardened positioning block is provided on one side of the lower end of the screw seat 401, which cooperates with the steel sleeve in the rotating frame to clamp the workpiece;

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A large flange rotary welding device, comprising a rotary frame assembly (1), a base assembly (2), a support wheel assembly (3) and a fastening clamping device (4), characterized in that: The rotating frame assembly (1) is a circular entity composed of four groups of fan-shaped frames; the frame is provided with two semicircular steel plates (203) to form a panel, and the panel is provided with 5 V-shaped groove scale lines of different diameters; at the same time, 30 steel sleeves are also provided on the panel; the outer ring of the bottom of the frame is provided with a supporting wheel slide plate; the core of the frame is provided with a circular steel plate, and the periphery of the steel plate is drilled with a plurality of threaded holes and positioning pin holes; the outer ring of the rotating frame is a channel steel circular steel ring frame, and a plurality of rib plates are provided in the groove, wherein the rotating frame assembly (1) includes a positioning sleeve (6), a first gasket (8), a motor connecting flange (9), a flange (10), a second gasket (11), a first hexagon socket bolt (12), a spring washer (13), a second hexagon socket bolt (14), a third hexagon socket bolt (15), a first washer (16), a pin (17), a reduction motor (18), a rotating drive device (19) and a second gasket (20); The base frame assembly (2) comprises an upper anchor plate (201), a square tube upper support (202), a semicircular steel plate (203), a positioning flange (204), a channel steel plate (205), a triangular rib plate (206), a channel steel support (207), a hook (208), a square tube lower support (209), a square tube horizontal support (210), a channel steel oblique support (211), a lower anchor plate (212), a channel steel short rib plate (213) and an arc plate (214), wherein the base frame assembly (2) comprises a channel steel support (207). The center is welded to the positioning flange (204) at the center of the circle, and the outer side of the channel steel support (207) is connected to the semicircular steel plate (203); the ends of the channel steel support (207) are respectively provided with a square tube upper support (202), a square tube lower support (209), an upper anchor plate (201), and a lower anchor plate (212); the upper anchor plate (201) is provided with a threaded hole to be connected to the support wheel assembly (3); triangular rib plates (206) are provided on both sides to be connected and fixed to the channel steel support (207); four hooks (208) are provided around the bottom frame assembly (2); The support wheel assembly (3) comprises an end plate (301), a bottom plate (302), an intermediate support plate (303), a shaft washer (304), a bearing sleeve (305), a bearing outer wheel (306), a long shaft (307), a third washer (308), a deep groove bearing (309) and a nut (310), wherein the support wheel assembly (3) is welded together by two end plates (301), a bottom plate (302) and an intermediate support plate (303), and three concentric circular holes are arranged on the upper part of the plate; the support wheel assembly (3) is composed of two groups of bearing sleeves (305), bearing outer wheels (306) and deep groove bearings (309); the support wheel assembly (3) is respectively used to install the two groups of bearing outer wheels (306) into the frame through the long shaft (307) and the third washer (308), and is fastened with nuts (310); The fastening and clamping device (4) comprises a screw seat (401), a screw nut (402), a screw (403) and a round shaft (404), wherein the fastening and clamping device (4) is a welded body composed of the screw seat (401), the screw nut (402) and the round shaft (404); a round hole is provided in the middle of the screw seat (401) to be connected to the screw nut (402); a round hole is provided at the bottom of the screw seat (401) to be connected to the round shaft (404); the screw (403) is inserted into the screw nut (402) and rotated for clamping.

2. A large flange rotary welding device according to claim 1, characterized in that: It also has a rotary drive device, which comprises an upper transition plate (5) and a lower transition plate (7), and the upper transition plate (5) and the lower transition plate (7) are respectively fixedly connected to the rotating frame assembly and the base frame assembly.

3. A large flange rotary welding device according to claim 1, characterized in that: The support wheel assembly (3) comprises four groups of symmetrically arranged square tube support frames welded together, and the top ends of the four groups of square tube support frames are provided with circular steel plate panels, the surface of the panel is engraved with arc dimension lines and is equipped with 30 steel sleeve holes.

4. A large flange rotary welding device according to claim 3, characterized in that: The core parts of the lower ends of the four groups of square tube support frames are provided with rotating flange threaded holes and positioning pin holes, and the outer lower ends of the four square tube support frames are provided with supporting wheel circular slide plates.

5. A large flange rotary welding device according to claim 1, characterized in that: Six upper anchor plates (201) and a lower anchor plate (212) are respectively installed at the ends of the channel steel support (207).

6. A large flange rotary welding device according to claim 1, characterized in that: The supporting wheel assembly (3) is composed of two bearing outer wheels (306) assembled side by side as a group, and the end plate (301) is provided with three threaded holes and three circular holes.

7. A large flange rotary welding device according to claim 2, characterized in that: A gear box is provided on the side of the rotary drive device, and a motor shaft reference hole is provided at one end. The motor connecting flange (9) is connected to the reduction motor reference hole by stoppers at both end surfaces. The motor connecting flange (9) is provided with a threaded hole to connect to the rotary drive device.

8. A large flange rotary welding device according to claim 1, characterized in that: A screw nut (402) is provided in the middle of the screw seat (401) for passing through, and a positioning shaft is provided in the circular hole below.

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