Welding device for boiler

Abstract

The utility model discloses a welding device for a boiler, which comprises a workbench, and a first semicircular frame and a second semicircular frame are hinged in an adjusting seat; through the design of structures such as a first semicircular frame and a third screw rod, a second driving motor and a third driving motor drive a second screw rod and a third screw rod to rotate, so that the second screw rod and the third screw rod can drive a first mounting block and a second mounting block as well as a third mounting block and a fourth mounting block to move; a first iron chain and a second iron chain can be dragged by a first mounting block and a third mounting block when the first mounting block and the third mounting block move, so that the welding positions of the boiler body in a first semicircular frame and a second semicircular frame can be attached, and the boiler body is fixed through the first semicircular frame and the second semicircular frame, so that the welding positions of the boiler body can be aligned; and the situation that the welding effect of the boiler body is affected due to the fact that the welding positions of the boiler body are uneven or gaps of the welding positions are too large is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler welding, in particular to a welding device for boilers. Background Technique

[0002] A boiler is an energy conversion device. The energy input into the boiler includes the chemical energy in fuel and electric energy. The boiler outputs steam, high-temperature water or organic heat carriers with a certain amount of heat energy, which are mainly used in life and also have a small amount of application in industrial production. During the production of boilers, welding is required for boilers.

[0003] In the prior art, a boiler production welding device (publication number: CN218169145U) is provided, which includes a base and a boiler cylinder to be welded. A stabilizing block and a fixing plate are installed on the top of the base. The stabilizing blocks are symmetrically distributed on both sides of the base. The number of fixing plates is two and they are spaced between the two stabilizing blocks. The tops of the two fixing plates... are respectively in close contact with the adjacent stabilizing blocks on both sides. The bottom ends of the welding head and the flux hopper are arranged above the weld of the boiler cylinder; the overall structure of this utility model is reasonably designed and easy to operate, and can realize continuous welding of the inner wall weld of the boiler cylinder, which is beneficial to improving work efficiency, thus meeting the actual production and processing requirements, having a broad market prospect and being conducive to popularization.

[0004] However, there are still some problems in the actual use of the above-mentioned boiler production welding device. For example, when welding the boiler, there is a lack of a mechanism for fixing the boiler, resulting in difficulty in fitting the welding parts of the boiler body, increasing the welding difficulty of the boiler body, and thus affecting the welding effect of the boiler body. Therefore, we need to propose a welding device for boilers. Content of the Utility Model

[0005] The purpose of the utility model is to provide a welding device for boilers, which fixes the boiler body through the first semi-circular frame and the second semi-circular frame, so as to align the welding parts of the boiler body, prevent the welding parts of the boiler body from being uneven or having too large a gap at the welding parts, and affect the welding effect of the boiler body, so as to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A welding device for a boiler, comprising a workbench, an adjusting mechanism is arranged on the workbench, an adjusting seat is arranged on the adjusting mechanism, a first semi-circular frame and a second semi-circular frame are hinged in the adjusting seat, a boiler body is arranged in both the first semi-circular frame and the second semi-circular frame, brackets are fixedly connected to both sides of the adjusting seat, a second driving motor and a third driving motor are respectively fixedly installed on both sides of the brackets, output shafts of the second driving motor and the third driving motor are respectively fixedly connected with a second lead screw and a third lead screw through couplings, and the second lead screw and the third lead screw are both movably installed in the brackets;

[0008] A first limiting mechanism and a second limiting mechanism for limiting the first mounting block and the third mounting block are arranged in the brackets, the first mounting block and the third mounting block are respectively threadedly installed on the second lead screw and the third lead screw, a first iron chain and a second iron chain are respectively fixedly connected to the bottoms of the first limiting mechanism and the first mounting block, and the second limiting mechanism and the third mounting block, and the lower ends of the first iron chain and the second iron chain are respectively fixedly connected to the first semi-circular frame and the second semi-circular frame.

[0009] Preferably, the adjusting mechanism comprises a fixed frame, a first driving motor and a first lead screw, the fixed frame is fixedly connected to the bottom of the workbench, the first driving motor is fixedly installed on the side of the fixed frame, the first lead screw is fixedly connected to the output shaft of the first driving motor through a coupling, the first lead screw is movably installed in the fixed frame, and the adjusting seat is threadedly installed on the first lead screw.

[0010] Preferably, a positioning rod is fixedly connected to the fixed frame, and the adjusting seat is slidably installed on the positioning rod.

[0011] Preferably, the first limiting mechanism comprises a first limiting rod, a second mounting block and a connecting frame, the first limiting rod is fixedly connected in the bracket, the second mounting block is slidably installed on the first limiting rod, and the connecting frame is fixedly connected to the tops of the first mounting block and the second mounting block.

[0012] Preferably, the second limiting mechanism comprises a second limiting rod, a fourth mounting block and a connecting block, the second limiting rod is fixedly connected in the bracket, the fourth mounting block is slidably installed on the second limiting rod, and two ends of the connecting block are respectively fixedly connected to the sides of the third mounting block and the fourth mounting block.

[0013] Preferably, the first iron chain is fixedly connected to the bottom of the second mounting block, and the second iron chain is fixedly connected to the bottom of the fourth mounting block.

[0014] Preferably, an avoidance hole for the sliding of the support is formed at the top of the workbench, and a mounting frame is fixedly connected to the top of the workbench. A cylinder is fixedly installed on the mounting frame, and a welding machine is fixedly installed on the telescopic rod of the cylinder. A welding head is arranged on the welding machine.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] Through the design of structures such as the first semi-circular frame and the third lead screw, by placing the boiler body in the first semi-circular frame and the second semi-circular frame respectively, and driving the second lead screw and the third lead screw to rotate by the second driving motor and the third driving motor, the second lead screw and the third lead screw can drive the first mounting block and the second mounting block, the third mounting block and the fourth mounting block to move. When the first mounting block and the third mounting block move, they can drag the first iron chain and the second iron chain, so that the first semi-circular frame and the second semi-circular frame can be closed, so that the welding joints of the boiler body in the first semi-circular frame and the second semi-circular frame can be fitted, and the boiler body is fixed by the first semi-circular frame and the second semi-circular frame, so as to facilitate the alignment of the welding joints of the boiler body, and prevent the welding joints of the boiler body from being uneven or having too large a gap at the welding joints, which affects the welding effect of the boiler body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the adjusting seat, the first semi-circular frame, the second semi-circular frame and other structures of the present utility model;

[0019] Figure 3 is a schematic structural diagram of the support of the present utility model;

[0020] Figure 4 is a schematic structural diagram of the cylinder of the present utility model.

[0021] In the figure: 1, workbench; 2, fixed frame; 3, first driving motor; 4, first lead screw; 5, positioning rod; 6, adjusting seat; 7, first semi-circular frame; 8, second semi-circular frame; 9, boiler body; 10, support; 11, second driving motor; 12, second lead screw; 13, first limiting rod; 14, first mounting block; 15, second mounting block; 16, connecting frame; 17, third driving motor; 18, third lead screw; 19, second limiting rod; 20, third mounting block; 21, fourth mounting block; 22, connecting block; 23, first iron chain; 24, second iron chain; 25, mounting frame; 26, cylinder; 27, welding machine; 28, welding head. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1-4 , the present invention provides a technical solution: a welding device for a boiler, including a workbench 1, an adjustment mechanism is arranged on the workbench 1, an adjustment seat 6 is arranged on the adjustment mechanism, a first semi-circular frame 7 and a second semi-circular frame 8 are hinged in the adjustment seat 6, a boiler body 9 is arranged in both the first semi-circular frame 7 and the second semi-circular frame 8, brackets 10 are fixedly connected to both sides of the adjustment seat 6, a second driving motor 11 and a third driving motor 17 are respectively fixedly installed on both sides of the brackets 10, output shafts of the second driving motor 11 and the third driving motor 17 are respectively fixedly connected to a second lead screw 12 and a third lead screw 18 through couplings, and the second lead screw 12 and the third lead screw 18 are both movably installed in the brackets 10;

[0024] A first limiting mechanism and a second limiting mechanism for limiting the first mounting block 14 and the third mounting block 20 are arranged in the brackets 10, the first mounting block 14 and the third mounting block 20 are respectively threadedly installed on the second lead screw 12 and the third lead screw 18, the first limiting mechanism and the bottom of the first mounting block 14, and the second limiting mechanism and the bottom of the third mounting block 20 are respectively fixedly connected to a first iron chain 23 and a second iron chain 24, and the lower ends of the first iron chain 23 and the second iron chain 24 are respectively fixedly connected to the first semi-circular frame 7 and the second semi-circular frame 8;

[0025] The adjustment mechanism includes a fixed frame 2, a first driving motor 3 and a first lead screw 4, the fixed frame 2 is fixedly connected to the bottom of the workbench 1, the first driving motor 3 is fixedly installed on the side of the fixed frame 2, the first lead screw 4 is fixedly connected to the output shaft of the first driving motor 3 through a coupling, the first lead screw 4 is movably installed in the fixed frame 2, the adjustment seat 6 is threadedly installed on the first lead screw 4, a positioning rod 5 is fixedly connected to the fixed frame 2, and the adjustment seat 6 is slidably installed on the positioning rod 5;

[0026] Through the arrangement of the positioning rod 5, the output shaft of the first driving motor 3 rotates to drive the first lead screw 4 to rotate. The adjustment seat 6 can be driven by the first lead screw 4 to move on the positioning rod 5. The adjustment seat 6 can be positioned by the positioning rod 5, so that the adjustment seat 6 can move smoothly;

[0027] The first limiting mechanism includes a first limiting rod 13, a second mounting block 15 and a connecting frame 16. The first limiting rod 13 is fixedly connected inside the bracket 10. The second mounting block 15 is slidably mounted on the first limiting rod 13. The connecting frame 16 is fixedly connected to the tops of the first mounting block 14 and the second mounting block 15. The second limiting mechanism includes a second limiting rod 19, a fourth mounting block 21 and a connecting block 22. The second limiting rod 19 is fixedly connected inside the bracket 10. The fourth mounting block 21 is slidably mounted on the second limiting rod 19. The two ends of the connecting block 22 are respectively fixedly connected to the sides of the third mounting block 20 and the fourth mounting block 21. The first iron chain 23 is fixedly connected to the bottom of the second mounting block 15. The second iron chain 24 is fixedly connected to the bottom of the fourth mounting block 21;

[0028] Through the arrangement of the first limiting rod 13, the first limiting rod 13 and the second limiting rod 19 limit the first mounting block 14 and the second mounting block 15, and the third mounting block 20 and the fourth mounting block 21, so that the first mounting block 14 and the second mounting block 15, and the third mounting block 20 and the fourth mounting block 21 can move horizontally;

[0029] An avoidance hole for the sliding of the bracket 10 is opened at the top of the workbench 1. An installation frame 25 is fixedly connected to the top of the workbench 1. A cylinder 26 is fixedly installed on the installation frame 25. A welding machine 27 is fixedly installed on the telescopic rod of the cylinder 26. A welding head 28 is arranged on the welding machine 27;

[0030] In the specific use process, first place the boiler body 9 in the first semi-circular frame 7 and the second semi-circular frame 8. The second driving motor 11 and the third driving motor 17 work. The second driving motor 11 and the third driving motor 17 drive the second lead screw 12 and the third lead screw 18 to rotate. The rotation of the second lead screw 12 and the third lead screw 18 can drive the first mounting block 14 and the third mounting block 20 to move. When the first mounting block 14 and the third mounting block 20 move, the connecting frame 16 and the connecting block 22 can drive the second mounting block 15 and the fourth mounting block 20 to move on the first limiting rod 13 and the second limiting rod 19. Thus, the first limiting rod 13 and the second limiting rod 19 can limit the first mounting block 14 and the second mounting block 15, and the third mounting block 20 and the fourth mounting block 21, so that the first mounting block 14 and the second mounting block 15, and the third mounting block 20 and the fourth mounting block 21 can move horizontally. When the first mounting block 14 and the second mounting block 15, and the third mounting block 20 and the fourth mounting block 21 move, the first iron chain 23 and the second iron chain 24 can be dragged, so that the first semi-circular frame 7 and the second semi-circular frame 8 can be closed, so that the welding joints of the boiler body 9 in the first semi-circular frame 7 and the second semi-circular frame 8 can be fitted, and the boiler body 9 is fixed by the first semi-circular frame 7 and the second semi-circular frame 8;

[0031] It works through the first driving motor 3. The rotation of the output shaft of the first driving motor 3 drives the first lead screw 4 to rotate. Through the first lead screw 4, the adjusting seat 6 can be driven to move on the positioning rod 5. The positioning rod 5 can position the adjusting seat 6 so that the adjusting seat 6 can move smoothly. When the adjusting seat 6 moves, it can drive the bracket 10 to move simultaneously, so that the boiler body 9 can be brought closer to the welding machine 27. It works through the cylinder 26. The telescopic rod of the cylinder 26 pushes the welding machine 27. After the welding machine 27 is brought close to the welding part of the boiler body 9, the welding part of the boiler body 9 is welded by the welding head 28.

[0032] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding device for a boiler, comprising a workbench (1), characterized in that: An adjusting mechanism is provided on the workbench (1), an adjusting seat (6) is provided on the adjusting mechanism, a first semi-circular frame (7) and a second semi-circular frame (8) are hinged in the adjusting seat (6), a boiler body (9) is provided in each of the first semi-circular frame (7) and the second semi-circular frame (8), brackets (10) are fixedly connected to both sides of the adjusting seat (6), a second driving motor (11) and a third driving motor (17) are respectively and fixedly installed on both sides of the bracket (10), output shafts of the second driving motor (11) and the third driving motor (17) are respectively and fixedly connected to a second lead screw (12) and a third lead screw (18) through couplings, and the second lead screw (12) and the third lead screw (18) are both movably installed in the bracket (10). A first limiting mechanism and a second limiting mechanism for limiting a first mounting block (14) and a third mounting block (20) are provided in the bracket (10), the first mounting block (14) and the third mounting block (20) are respectively threadedly installed on the second lead screw (12) and the third lead screw (18), a first iron chain (23) and a second iron chain (24) are respectively and fixedly connected to bottoms of the first limiting mechanism and the first mounting block (14), and the second limiting mechanism and the third mounting block (20), and lower ends of the first iron chain (23) and the second iron chain (24) are respectively and fixedly connected to the first semi-circular frame (7) and the second semi-circular frame (8).

2. The welding device for a boiler according to claim 1, characterized in that: The adjusting mechanism includes a fixed frame (2), a first driving motor (3) and a first lead screw (4), the fixed frame (2) is fixedly connected to the bottom of the workbench (1), the first driving motor (3) is fixedly installed on the side of the fixed frame (2), the first lead screw (4) is fixedly connected to the output shaft of the first driving motor (3) through a coupling, the first lead screw (4) is movably installed in the fixed frame (2), and the adjusting seat (6) is threadedly installed on the first lead screw (4).

3. The welding device for a boiler according to claim 2, characterized in that: A positioning rod (5) is fixedly connected to the fixed frame (2), and the adjusting seat (6) is slidably installed on the positioning rod (5).

4. A welding device for a boiler according to claim 1, characterized in that: The first limiting mechanism includes a first limiting rod (13), a second mounting block (15) and a connecting frame (16), the first limiting rod (13) is fixedly connected in the bracket (10), the second mounting block (15) is slidably installed on the first limiting rod (13), and the connecting frame (16) is fixedly connected to tops of the first mounting block (14) and the second mounting block (15).

5. A welding device for a boiler according to claim 4, characterized in that: The second limiting mechanism includes a second limiting rod (19), a fourth mounting block (21) and a connecting block (22), the second limiting rod (19) is fixedly connected in the bracket (10), the fourth mounting block (21) is slidably installed on the second limiting rod (19), and two ends of the connecting block (22) are respectively and fixedly connected to sides of the third mounting block (20) and the fourth mounting block (21).

6. The welding device for a boiler according to claim 5, characterized in that: The first iron chain (23) is fixedly connected to the bottom of the second mounting block (15), and the second iron chain (24) is fixedly connected to the bottom of the fourth mounting block (21).

7. A welding device for a boiler according to claim 1, characterized in that: A relief hole for the sliding of the bracket (10) is formed in the top of the workbench (1). An installation frame (25) is fixedly connected to the top of the workbench (1). A cylinder (26) is fixedly installed on the installation frame (25). A welding machine (27) is fixedly installed on the telescopic rod of the cylinder (26). A welding head (28) is arranged on the welding machine (27).

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