Water heater flange welding device

Abstract

The utility model discloses a water heater flange welding device, which relates to the technical field of water heater production equipment and comprises a welding platform, a rotating platform is fixedly mounted above the welding platform, a welding seam cleaning mechanism is arranged on one side of the rotating platform, and a welding mechanism is arranged on the other side of the rotating platform. The welding seam cleaning mechanism comprises a first mounting frame, a sliding rail, mounting angle iron and a first driving air cylinder. According to the automatic welding machine, the driving assembly drives the mounting disc to rotate, a first driving air cylinder in the welding seam cleaning mechanism drives mounting angle iron to move in the direction of a welding seam, so that a steel brush plate on the mounting angle iron conducts polishing and impurity removal on the welding seam, rust and dust on the welding seam are removed, and a welding head in the welding mechanism conducts welding on the welding seam; and as the welding seam is flat, smooth and clean, no air hole is formed during welding, and the compactness and strength of the welding seam are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of water heater production equipment, in particular to a water heater flange welding device. Background Art

[0002] When producing water heaters, the water supply pipe and flange of the water heater need to be welded to each other. Before welding, the flange needs to be accurately placed on the connection part of the water heater and positioned using tools such as clamps or positioning pins to ensure that the flange is aligned with the connection part of the water heater.

[0003] For example, a flange welding device disclosed in Chinese patent publication number CN221621357U includes a flange fixing assembly for fixing the flange and a welding assembly for welding the flange located in the flange fixing assembly; wherein, the flange fixing assembly includes a first disc, an elastic pressure unit, and a driving unit; a mounting circular groove for mounting the flange is provided in the first disc; a plurality of guide grooves are provided along the circumference of the mounting circular groove; the elastic pressure unit includes an arc-shaped pressure plate, a guide block, a first spring, and a second spring; the arc-shaped pressure plate is installed on the end side of the guide groove facing the mounting circular groove; and the guide block is installed in the guide groove.

[0004] However, when welding the water supply pipe of the water heater, there will be impurities such as dust and oil near the weld. If welding is performed directly, it will have a certain adverse effect on the quality of the weld, causing pores in the weld, thereby reducing the density and strength of the weld. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that impurities such as dust and oil will exist near the weld, which will have a certain adverse effect on the quality of the weld if welding is performed directly, resulting in pores in the weld, thereby reducing the density and strength of the weld. A water heater flange welding device is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a water heater flange welding device, comprising a welding platform, a rotating platform fixedly installed above the welding platform, a weld cleaning mechanism provided on one side of the rotating platform, and a welding mechanism provided on the other side of the rotating platform, the weld cleaning mechanism comprising a No. 1 mounting frame, a sliding rail, a mounting angle iron and a No. 1 driving cylinder, the sliding rail being fixedly installed on the inner side of one end of the No. 1 mounting frame by bolts, the mounting angle iron being slidably clamped in the inside of the sliding rail, the driving rod of the No. 1 driving cylinder being fixedly installed on one side of the mounting angle iron by bolts, and a steel brush plate being fixedly installed on the other side of the mounting angle iron by bolts.

[0007] Preferably, the welding mechanism includes a support frame, a mounting platform, a welding point adjustment component and a welding head, the mounting platform is fixedly installed on the top of the support frame, the welding point adjustment component is fixedly installed on the top surface of the mounting platform, and the welding head is arranged above the welding point adjustment component.

[0008] Preferably, the welding point adjustment assembly includes an adjusting slide rail, a slide table and a No. 2 driving cylinder. The slide table is slidably clamped on the outer side of the adjusting slide rail, the driving rod of the No. 2 driving cylinder is fixedly connected to one side of the slide table, and the welding head is fixedly installed on the top of the slide table.

[0009] Preferably, mounting side plates are fixedly connected to both sides of the sliding track by bolts, and high-pressure gas nozzles are fixedly passed through the interiors of the two mounting side plates.

[0010] Preferably, the rotating platform includes a No. 2 mounting frame, and a mounting disc is rotatably connected inside the No. 2 mounting frame. One side of the mounting disc is fixedly connected to a drive shaft, and the outer side of the drive shaft is fixedly connected to a drive pulley. The outer side of the drive pulley is connected to a belt for transmission, and the other end of the inner side of the belt is connected to a drive pulley for transmission, and one side of the drive pulley is connected to a drive assembly for transmission.

[0011] Preferably, the driving assembly includes a driving motor and a speed changer, and the output end of the speed changer is connected to the middle of the transmission pulley.

[0012] Preferably, a positioning rod is fixedly connected to the middle of the other side of the mounting disc, and pipe positioning plates are provided on both sides of the positioning rod. The two pipe positioning plates are slidably clamped on the other side of the mounting disc, and positioning bolts are threaded through both sides of the two pipe positioning plates.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] 1. In the utility model, the driving assembly drives the mounting disc to rotate, and the No. 1 driving cylinder in the weld cleaning mechanism drives the mounting angle iron to move in the direction of the weld, so that the steel brush plate on the mounting angle iron grinds and removes impurities on the weld, removes rust and dust on the weld, and the welding head in the welding mechanism welds the weld. Since the weld is flat, smooth and clean, no pores will appear during welding, thereby ensuring the density and strength of the weld.

[0015] 2. In the utility model, the angle iron is installed and moved between the two high-pressure gas nozzles. The air pump pumps out the high-pressure gas from the two high-pressure gas nozzles. The high-pressure gas blows off the rust and dust on the steel brush plate, thereby preventing the dust remaining inside the steel brush plate from falling onto the weld during the next grinding and impurity removal process, affecting the subsequent grinding and cleanliness of the weld between the next flange and the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of a water heater flange welding device proposed by the utility model;

[0017] Figure 2 The utility model provides a three-dimensional structural diagram of a weld cleaning mechanism in a water heater flange welding device;

[0018] Figure 3 The utility model provides a schematic diagram of the three-dimensional structure of the angle iron installed in the flange welding device of the water heater;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of a rotating platform in a water heater flange welding device proposed in the utility model;

[0020] Figure 5 The utility model provides a three-dimensional structural schematic diagram of a welding mechanism in a water heater flange welding device.

[0021] Legend: 1. Welding platform; 2. Rotating platform; 21. Mounting frame No. 2; 22. Mounting disc; 221. Positioning rod; 222. Pipe positioning plate; 23. Drive shaft; 24. Drive pulley; 25. Belt; 26. Drive pulley; 27. Drive assembly; 271. Drive motor; 272. Speed ​​changer; 3. Weld cleaning mechanism; 31. Mounting frame No. 1; 32. Sliding rail; 321. Mounting side panel; 322. High-pressure gas nozzle; 33. Mounting angle iron; 34. Drive cylinder No. 1; 35. Steel brush plate; 4. Welding mechanism; 41. Support frame; 42. Mounting table; 43. Welding point adjustment assembly; 431. Adjusting slide rail; 432. Sliding table; 433. Drive cylinder No. 2; 44. Welding head. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Example 1: Figure 1 - Figure 5As shown, the utility model provides a water heater flange welding device, including a welding platform 1, a rotating platform 2 is fixedly installed above the welding platform 1, a weld cleaning mechanism 3 is provided on one side of the rotating platform 2, and a welding mechanism 4 is provided on the other side of the rotating platform 2. The weld cleaning mechanism 3 includes a No. 1 mounting frame 31, a sliding rail 32, a mounting angle iron 33 and a No. 1 driving cylinder 34. The sliding rail 32 is fixedly installed on the inner side of one end of the No. 1 mounting frame 31 by bolts, and the mounting angle iron 33 is slidably connected to the inside of the sliding rail 32. The driving rod of the No. 1 driving cylinder 34 is fixedly installed on one side of the mounting angle iron 33 by bolts, and the other side of the mounting angle iron 33 is fixedly installed with a steel brush plate 35 by bolts. The welding mechanism 4 includes a support frame 41, a mounting platform 42, a welding point adjustment component 43 and a welding head 44. The mounting platform 42 is fixedly installed on the top of the supporting frame 41, the welding point adjustment component 43 is fixedly installed on the top surface of the mounting platform 42, and the welding head 44 is arranged above the welding point adjustment component 43. The welding point adjustment component 43 includes an adjustment slide rail 431, a slide table 432 and a No. 2 driving cylinder. The movable cylinder 433 and the slide 432 are slidably connected to the outer side of the adjustment slide rail 431. The driving rod of the No. 2 driving cylinder 433 is fixedly connected to one side of the slide 432. The welding head 44 is fixedly mounted on the top of the slide 432. The rotating platform 2 includes a No. 2 mounting frame 21. The No. 2 mounting frame 21 is internally rotatably connected to the mounting disc 22. One side of the mounting disc 22 is fixedly connected to the driving shaft 23. The outer side of the driving shaft 23 is fixedly connected to the driving pulley 24. The outer side of the driving pulley 24 is connected to the belt 25. The other side of the belt 25 is connected to the driving pulley 24. One end is connected to a transmission pulley 26, and one side of the transmission pulley 26 is connected to a driving assembly 27. The driving assembly 27 includes a driving motor 271 and a speed changer 272. The output end of the speed changer 272 is connected to the middle of the transmission pulley 26. A positioning rod 221 is fixedly connected to the middle of the other side of the mounting disc 22. Pipe positioning plates 222 are provided on both sides of the positioning rod 221. The two pipe positioning plates 222 are slidably connected to the other side of the mounting disc 22. Positioning bolts are threaded through both sides of the two pipe positioning plates 222.

[0025] The following is a detailed description of the specific settings and functions of this embodiment. The pipe and flange to be welded are inserted into the positioning rod 221 on the mounting disc 22, and the positioning bolt is rotated to fit the two pipe positioning plates 222 and clamp them on the outside of one end of the pipe. The driving motor 271 in the driving assembly 27 drives the speed changer 272 to work, and the speed changer 272 drives the transmission pulley 26 to rotate. Under the transmission of the belt 25, the driving shaft 23 and the mounting disc 22 are driven to rotate. At the same time, the No. 1 driving cylinder 34 in the weld cleaning mechanism 3 drives the mounting angle iron 33 to move in the direction of the weld, so that the steel brush plate 35 on the mounting angle iron 33 grinds and removes impurities on the weld, and removes rust and dust on the weld. After grinding, the No. 1 driving cylinder 34 drives the mounting angle iron 33 to reset, and the welding head 44 in the welding mechanism 4 welds the weld. Since the weld is flat, smooth and clean, no pores will appear during welding, thereby ensuring the density and strength of the weld.

[0026] Example 2: Figure 1 - Figure 3 As shown, a water heater flange welding device includes a welding platform 1, a rotating platform 2 is fixedly installed above the welding platform 1, a weld cleaning mechanism 3 is provided on one side of the rotating platform 2, and a welding mechanism 4 is provided on the other side of the rotating platform 2. The weld cleaning mechanism 3 includes a No. 1 mounting frame 31, a sliding rail 32, a mounting angle iron 33 and a No. 1 driving cylinder 34. The sliding rail 32 is fixedly installed on the inner side of one end of the No. 1 mounting frame 31 by bolts, and the mounting angle iron 33 is slidably clamped in the inside of the sliding rail 32. The driving rod of the No. 1 driving cylinder 34 is fixedly installed on one side of the mounting angle iron 33 by bolts, and a steel brush plate 35 is fixedly installed on the other side of the mounting angle iron 33 by bolts. The two sides of the sliding rail 32 are fixedly connected with mounting side plates 321 by bolts, and the interiors of the two mounting side plates 321 are fixedly penetrated by high-pressure gas nozzles 322.

[0027] The effect achieved by the entire embodiment is that when the No. 1 driving cylinder 34 drives the installation angle iron 33 to reset, the installation angle iron 33 moves between the two high-pressure gas nozzles 322, and the air pump pumps out high-pressure gas from the two high-pressure gas nozzles 322. The high-pressure gas blows off the rust and dust on the steel brush plate 35, thereby preventing the dust remaining inside the steel brush plate 35 from falling onto the weld during the next grinding and impurity removal process, affecting the subsequent grinding and cleanliness of the next flange and pipe weld.

[0028] The method of use and working principle of this device are as follows: the pipe and flange to be welded are inserted into the positioning rod 221 on the mounting disc 22, and the positioning bolt is rotated to clamp the two pipe positioning plates 222 on the outside of one end of the pipe. The driving motor 271 in the driving assembly 27 drives the speed changer 272 to work, and the speed changer 272 drives the driving pulley 26 to rotate. Under the drive of the belt 25, the driving shaft 23 and the mounting disc 22 are driven to rotate. At the same time, the No. 1 driving cylinder 34 in the weld cleaning mechanism 3 is driven. Drive the installation angle iron 33 to move in the direction of the weld, so that the steel brush plate 35 on the installation angle iron 33 grinds and removes impurities on the weld, and removes rust and dust on the weld. After grinding, the No. 1 driving cylinder 34 drives the installation angle iron 33 to reset, and the installation angle iron 33 moves between the two high-pressure gas nozzles 322. The air pump pumps out high-pressure gas from the two high-pressure gas nozzles 322. The high-pressure gas blows off the rust and dust on the steel brush plate 35, and the welding head 44 in the welding mechanism 4 welds the weld.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A water heater flange welding device, comprising a welding platform (1), characterized in that: A rotating platform (2) is fixedly installed above the welding platform (1), a weld cleaning mechanism (3) is provided on one side of the rotating platform (2), and a welding mechanism (4) is provided on the other side of the rotating platform (2). The weld cleaning mechanism (3) comprises a No. 1 mounting frame (31), a sliding track (32), a mounting angle iron (33) and a No. 1 driving cylinder (34), wherein the sliding track (32) is fixedly installed on the inner side of one end of the No. 1 mounting frame (31) by bolts, the mounting angle iron (33) is slidably engaged in the interior of the sliding track (32), a driving rod of the No. 1 driving cylinder (34) is fixedly installed on one side of the mounting angle iron (33) by bolts, and a steel brush plate (35) is fixedly installed on the other side of the mounting angle iron (33) by bolts.

2. A water heater flange welding device according to claim 1, characterized in that: The welding mechanism (4) comprises a support frame (41), a mounting platform (42), a welding point adjustment component (43) and a welding head (44); the mounting platform (42) is fixedly mounted on the top of the support frame (41); the welding point adjustment component (43) is fixedly mounted on the top surface of the mounting platform (42); and the welding head (44) is arranged above the welding point adjustment component (43).

3. A water heater flange welding device according to claim 2, characterized in that: The welding point adjustment assembly (43) includes an adjustment slide rail (431), a slide table (432) and a second driving cylinder (433), wherein the slide table (432) is slidably connected to the outer side of the adjustment slide rail (431), a driving rod of the second driving cylinder (433) is fixedly connected to one side of the slide table (432), and the welding head (44) is fixedly installed on the top of the slide table (432).

4. A water heater flange welding device according to claim 1, characterized in that: Both sides of the sliding track (32) are fixedly connected with mounting side plates (321) by means of bolts, and high-pressure gas nozzles (322) are fixedly passed through the interiors of the two mounting side plates (321).

5. The water heater flange welding device according to claim 1, characterized in that: The rotating platform (2) includes a second mounting frame (21), a mounting disc (22) is rotatably connected inside the second mounting frame (21), a driving shaft (23) is fixedly connected to one side of the mounting disc (22), a driving pulley (24) is fixedly connected to the outside of the driving shaft (23), a belt (25) is connected to the outside of the driving pulley (24), the other end of the inner side of the belt (25) is connected to the driving pulley (26), and one side of the driving pulley (26) is connected to the driving assembly (27).

6. A water heater flange welding device according to claim 5, characterized in that: The driving assembly (27) comprises a driving motor (271) and a speed changer (272), wherein an output end of the speed changer (272) is connected to the middle of the driving pulley (26).

7. The water heater flange welding device according to claim 5, characterized in that: A positioning rod (221) is fixedly connected to the middle of the other side of the mounting disc (22), and pipe positioning plates (222) are provided on both sides of the positioning rod (221). The two pipe positioning plates (222) are slidably connected to the other side of the mounting disc (22), and positioning bolts are threadedly passed through both sides of the two pipe positioning plates (222).

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