Automatic welding machine for mitre elbows

Abstract

The utility model discloses an automatic welding machine for mitre elbows, which relates to the technical field of pipeline processing and comprises a base, two groups of output ends are arranged at two ends of the base, and the two groups of output ends of the base move relatively during working; at least one group of first lifting cylinders are mounted on the upper side of the base and are arranged between the two groups of output ends of the base; the driving ring is connected with the first lifting air cylinder, a welding assembly is installed on the inner side of the driving ring, and after the driving ring is started, the welding assembly is driven to rotate along the inner circle of the driving ring; and the rotating frame is connected with the output end on one side of the base. When a mitre elbow pipeline is welded, the rotating frame, the lifting frame and the elbow fixing plate in the mitre elbow welding device can adjust the mitre elbow pipeline from multiple angles, so that the mitre elbow welding device can be suitable for mitre elbow pipelines of different models and sizes, and is better in practicability and applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline welding, in particular to an automatic shrimp elbow welding machine. Background Art

[0002] Shrimp elbow is a specially designed welding elbow, its shape is similar to that of shrimp, it is mainly used in specific engineering applications, such as narrow space or complex pipeline layout, it has excellent connection performance and pressure bearing capacity, and is widely used in chemical, petroleum, natural gas, nuclear power, shipbuilding, papermaking, medicine, food and other industries.

[0003] In the processing of shrimp elbow, welding is one of the important processing steps, which is used to assemble it with other pipes.

[0004] After searching, a Chinese patent (publication number: CN203778982U) discloses an automatic welding device for shrimp waist elbows. The patent includes a frame and a circular welding track. A rotating shaft is arranged on the frame, and a plurality of fixed rods are installed on the rotating shaft. A welding trolley is installed on the circular welding track, and a linear slide rail and a fixed oscillator are installed on the welding trolley, and a welding gun fixing device is installed on the oscillator.

[0005] When welding the shrimp elbow, since the shrimp elbow is curved, a welding device is required to conveniently adjust the welding position between the shrimp elbow and another group of welding pipes. Therefore, the utility model proposes an automatic shrimp elbow welding machine. Utility Model Content

[0006] The utility model aims to provide an automatic shrimp elbow welding machine.

[0007] The technical problem solved by the utility model is: how to quickly adjust the welding position of the shrimp elbow during welding to improve the overall welding efficiency.

[0008] The utility model can be implemented by the following technical scheme: the shrimp elbow automatic welding machine includes a base, the base includes a shell, and the first drive screw module and the second drive screw module are respectively installed at both ends inside the shell, and the first drive screw module and the second drive screw module are respectively used as two sets of output ends of the base;

[0009] At least one set of first lifting cylinders is installed on the upper side of the base, the output end of the first lifting cylinder faces upward and is installed with a driving ring, the inner ring of the driving ring is provided with an output end, and the output end of the driving ring is installed with a welding assembly;

[0010] And the first lifting cylinder is arranged between the first driving screw module and the second driving screw module in the base;

[0011] After the driving ring is started, it drives the welding assembly to move in a circular motion, thereby welding the shrimp elbow to the rest of the pipe;

[0012] A rotating frame is installed at the output end of the first driving screw module, a lifting frame is installed at the output end of the rotating frame, and an elbow fixing plate is installed at the output end of the lifting frame. When the shrimp elbow is welded, its non-welded end is fixed on the upper side of the elbow fixing plate;

[0013] A fixing platform is installed at the output end of the second driving screw module, and the fixing platform is used to fix another set of pipes to be welded;

[0014] After the rotating frame is started, it drives the lifting frame and the elbow fixing plate to rotate in the vertical direction. After the lifting frame is started, it drives the elbow fixing plate to move along the lifting frame, so as to cooperate with the elbow fixing plate to align the end of the shrimp elbow to be welded with the welding part of the pipe on the fixed platform.

[0015] A further technical improvement of the utility model is that: the elbow fixing plate includes a connecting ring, the connecting ring is connected to the output end of the lifting frame, a swing motor is installed on one side of the connecting ring, and the inner part of the connecting ring is rotatably connected to an inner support assembly;

[0016] One side of the inner support component is connected to the output end of the swing motor, and the part where the inner support component is connected to the output end of the swing motor and the part where the inner support component is rotatably connected to the connecting ring are axially distributed;

[0017] After the swing motor is started, it drives the seating platform to rotate on the horizontal plane.

[0018] A further technical improvement of the utility model is that the inner support assembly includes four groups of travel mechanisms, and the four groups of travel mechanisms are distributed in a cross shape on the upper side of the seating platform.

[0019] A further technical improvement of the utility model is that the fixed platform includes a base platform, and a connecting portion and a sliding portion are provided at the bottom of the base platform, the connecting portion is used to connect with the output end of the second driving screw module in the base, and the sliding portion is used to slide and connect with the shell of the base.

[0020] A further technical improvement of the utility model is that at least one set of second lifting cylinders is installed inside the base platform, the output end of the second lifting cylinder faces upward and is installed with a lifting platform;

[0021] A horizontal driving mechanism is installed inside the lifting platform, and a welding platform is installed at the output end of the horizontal driving mechanism;

[0022] After the horizontal driving mechanism is started, it drives the welding table to move in a direction perpendicular to the base.

[0023] A further technical improvement of the utility model is that at least one set of fixing frames is installed on the upper side of the welding table;

[0024] The two ends of the fixing frame pass through the two sides of the welding platform. The two sides of the welding platform are both screwed with locking pieces, and the locking pieces are used to fix the corresponding side of the fixing frame.

[0025] Compared with the prior art, the utility model has the following beneficial effects:

[0026] When welding shrimp elbow pipes, the utility model has a rotating frame, a lifting frame and an elbow fixing plate inside thereof that can adjust the shrimp elbow pipes from multiple angles, so that it can be suitable for shrimp elbow pipes of different models and sizes, and has better practicality and applicability. In addition, when welding, one end of the shrimp elbow pipe is fixed on the upper side of the elbow fixing plate, and the firmness is higher during welding.

[0027] On the other hand, the other set of pipes welded to the shrimp elbow pipe can be fixed through the fixing table, and the fixing table can adjust the corresponding pipes in the horizontal and vertical planes, so that the pipes can be better welded to the shrimp elbow pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0029] Figure 1 It is a structural schematic diagram of the utility model;

[0030] Figure 2 It is a schematic diagram of the structure of the rotating frame, the lifting frame and the elbow fixing plate in the utility model;

[0031] Figure 3 It is a side sectional view of the fixing platform in the utility model;

[0032] In the figure: 1. base; 2. rotating frame; 3. lifting frame; 4. elbow fixing plate; 5. first lifting cylinder; 6. driving ring; 7. welding assembly; 8. fixing table; 41. connecting ring; 42. sitting table; 43. swing motor; 44. inner support assembly; 81. basic table; 82. second lifting cylinder; 83. lifting table; 84. horizontal driving mechanism; 85. welding table; 86. fixing frame. DETAILED DESCRIPTION

[0033] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0034] See also Figure 1-3As shown, the shrimp elbow automatic welding machine includes a base 1, the base 1 includes a shell, and the first drive screw module and the second drive screw module are respectively installed at both ends inside the shell, and the first drive screw module and the second drive screw module are respectively used as two sets of output ends of the base 1;

[0035] At least one set of first lifting cylinders 5 is installed on the upper side of the base 1, the output end of the first lifting cylinder 5 faces upward, and a driving ring 6 is installed, the inner ring of the driving ring 6 is provided with an output end, and a welding assembly 7 is installed at the output end of the driving ring 6;

[0036] In this embodiment, the welding assembly 7 adopts any mature welding mechanism in the prior art to reduce production costs;

[0037] And the first lifting cylinder 5 is arranged between the first driving screw module and the second driving screw module in the base 1;

[0038] After the driving ring 6 is started, it drives the welding assembly 7 to perform circular motion, thereby welding the shrimp elbow to the remaining pipes;

[0039] The output end of the first driving screw module is equipped with a rotating frame 2, the output end of the rotating frame 2 is equipped with a lifting frame 3, and the output end of the lifting frame 3 is equipped with an elbow fixing plate 4. When the shrimp elbow is welded, its non-welded end is fixed on the upper side of the elbow fixing plate 4;

[0040] A fixing platform 8 is installed at the output end of the second driving screw module, and the fixing platform 8 is used to fix another set of pipes to be welded;

[0041] After the rotating frame 2 is started, it drives the lifting frame 3 and the elbow fixing plate 4 to rotate in the vertical direction. After the lifting frame 3 is started, it drives the elbow fixing plate 4 to move along the lifting frame 3, so as to cooperate with the elbow fixing plate 4 to align the end of the shrimp elbow to be welded with the welding part of the pipe on the fixed platform 8.

[0042] See also Figure 2 As shown, the elbow fixing plate 4 includes a connecting ring 41, which is connected to the output end of the lifting frame 3, and a swing motor 43 is installed on one side of the connecting ring 41, and an inner support assembly 44 is rotatably connected inside the connecting ring 41;

[0043] One side of the inner support component 44 is connected to the output end of the swing motor 43, and the portion where the inner support component 44 is connected to the output end of the swing motor 43 and the portion where the inner support component 44 is rotatably connected to the connecting ring 41 are axially distributed;

[0044] After the swing motor 43 is started, it drives the seating platform 42 to rotate on the horizontal plane;

[0045] In this embodiment, the lifting frame 3 includes a frame body, a third driving screw module is installed inside the frame body, one end of the connecting ring 41 is connected to the output end of the third driving screw module, and the outer side of the connecting ring 41 is slidably connected to the frame body;

[0046] The inner support assembly 44 includes four sets of travel mechanisms, which are distributed in a cross shape on the upper side of the seating platform 42. In this embodiment, the travel mechanism uses an electric telescopic rod, the output end of which is arranged toward the edge of the seating platform 42 and is equipped with a contact block.

[0047] When the shrimp elbow is placed on the upper side of the seating platform 42, one end of the shrimp elbow is covered on the outside of the inner support assembly 44. The four sets of electric telescopic rods in the inner support assembly 44 are started, driving the contact block to contact the shrimp elbow and fix it on the outside of the seating platform 42.

[0048] See also Figure 3 As shown, the fixed platform 8 includes a base platform 81, and a connecting portion and a sliding portion are provided at the bottom of the base platform 81. The connecting portion is used to connect with the output end of the second driving screw module in the base 1, and the sliding portion is used to be slidably connected with the shell of the base 1.

[0049] A plurality of sets of second lifting cylinders 82 are installed inside the base platform 81, and the output ends of each second lifting cylinder 82 are facing upwards, and a lifting platform 83 is installed;

[0050] A horizontal driving mechanism 84 is installed inside the lifting platform 83, and a welding platform 85 is installed at the output end of the horizontal driving mechanism 84;

[0051] In this embodiment, the horizontal driving mechanism 84 adopts a fourth driving screw module, and the first driving screw module, the second driving screw module, the third driving screw module and the fourth driving screw module all adopt any mature structure in the prior art;

[0052] After the horizontal driving mechanism 84 is started, it drives the welding table 85 to move in a direction perpendicular to the base 1 .

[0053] Two sets of fixing frames 86 are installed on the upper side of the welding table 85;

[0054] Two ends of the fixing frame 86 pass through two sides of the welding platform 85 . Both sides of the welding platform 85 are screwed with locking pieces, and the locking pieces are used to fix the corresponding side of the fixing frame 86 .

[0055] When the utility model is in use, one end of the shrimp elbow pipe is placed on the upper side of the seating platform 42, and then the inner support assembly 44 is started to fix the shrimp elbow pipe, and the first drive screw module in the base 1 is started to move the end of the shrimp elbow pipe to be welded to the inside of the drive ring 6;

[0056] Then, another group of pipes to be welded is placed on the upper side of the welding table 85 of the fixed table 8, and then fixed on the upper side of the welding table 85 by the fixing frame 86, and the second driving screw module in the base 1 is started to move one end of the pipe on the upper side of the welding table 85 to the inside of the driving ring 6, and an adjustment spacing is retained between the shrimp elbow pipe and the other group of pipes;

[0057] Start the rotating frame 2, the lifting frame 3 and the swing motor 43, adjust the welding part of the shrimp elbow pipe, start the second lifting cylinder 82 and the horizontal driving mechanism 84 in the fixed platform 8, adjust the welding part of the pipe on the upper side of the welding platform 85, and after the two groups of welding parts are adjusted to a parallel state, start the first driving screw module and the second driving screw module in the base 1 again, fit the welding part of the shrimp elbow pipe and another group of pipes, and move them to the inside of the welding area of ​​the welding assembly 7, and then the welding assembly 7 rotates along the driving ring 6 and performs welding.

[0058] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. Shrimp elbow automatic welding machine, characterized by: include: A base (1) is provided with two sets of output ends at both ends, and the two sets of output ends of the base (1) move independently; First lifting cylinders (5), at least one group of the first lifting cylinders (5) is installed on the upper side of the base (1) and is arranged between two groups of output ends of the base (1); A driving ring (6) is connected to the first lifting cylinder (5), and a welding assembly (7) is installed on the inner side of the driving ring (6). When the driving ring (6) is started, the welding assembly (7) is driven to rotate along the inner ring of the driving ring (6); A rotating frame (2) connected to an output end on one side of the base (1); A fixed platform (8) connected to the output end on the other side of the base (1); The lifting frame (3) is connected to the output end of the rotating frame (2), and the output end of the lifting frame (3) is installed with an elbow fixing plate (4).

2. The shrimp elbow automatic welding machine according to claim 1 is characterized in that: The elbow fixing plate (4) comprises a connecting ring (41), the connecting ring (41) is connected to the output end of the lifting frame (3), and the interior of the connecting ring (41) is rotatably connected to an internal support assembly (44).

3. The shrimp elbow automatic welding machine according to claim 2 is characterized in that: A swing motor (43) is installed on one side of the connecting ring (41); One side of the inner support component (44) is connected to the output end of the swing motor (43), and the portion where the inner support component (44) is connected to the output end of the swing motor (43) is axially distributed with the portion where the inner support component (44) is rotationally connected to the connecting ring (41).

4. The shrimp elbow automatic welding machine according to claim 3 is characterized in that: The inner support assembly (44) includes four groups of travel mechanisms, and the four groups of travel mechanisms are distributed in a cross shape on the upper side of the seating platform (42).

5. The shrimp elbow automatic welding machine according to claim 1 is characterized in that: The fixed platform (8) comprises a base platform (81), and a connecting portion and a sliding portion are provided at the bottom of the base platform (81); The connecting portion is used to be connected to the output end on the corresponding side of the base (1), and the sliding portion is used to be slidably connected to the base (1).

6. The shrimp elbow automatic welding machine according to claim 5 is characterized in that: At least one set of second lifting cylinders (82) is installed inside the base platform (81), and a lifting platform (83) is installed at the top of the output end of the second lifting cylinder (82); A horizontal driving mechanism (84) is installed inside the lifting platform (83), and a welding platform (85) is installed at the output end of the horizontal driving mechanism (84).

7. The shrimp elbow automatic welding machine according to claim 6 is characterized in that: At least one set of fixing frames (86) is installed on the upper side of the welding platform (85); The two ends of the fixing frame (86) pass through the two sides of the welding platform (85), and the two sides of the welding platform (85) are both screwed with locking pieces, and the locking pieces fix the fixing frame (86) on the welding platform (85).

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