Tube plate welding device

Abstract

The utility model belongs to the technical field of tube plate welding, and particularly relates to a tube plate welding device which comprises a base, a mechanical arm and a welding piece, the mechanical arm is installed on the base, the welding piece is installed at the tail end of the mechanical arm, and a quick dismounting mechanism is connected between the mechanical arm and the welding piece. The quick dismounting mechanism comprises a first connecting plate fixedly mounted at the tail end of the mechanical arm and a second connecting plate fixedly mounted at the upper end of the welding part, an inserting block is fixedly connected to the surface of the lower end of the first connecting plate, a limiting inserting hole is formed in the end of the inserting block, and an inserting groove is formed in the surface of the second connecting plate; according to the quick dismounting device, the quick dismounting mechanism is arranged, so that the limiting inserting rod can be pulled out of the limiting inserting hole by pulling the pulling handle when the welding part breaks down in the later period and needs to be overhauled, the second connecting plate is not limited, quick dismounting of the welding part is completed finally, and later overhauling work of the welding part is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of tube sheet welding, in particular to a tube sheet welding device. Background Art

[0002] In industrial production, especially in the fields of chemical, petroleum, and pharmaceuticals, tube-to-sheet welding is an important connection technology that is widely used in various equipment and pipeline systems. However, traditional tube-to-sheet welding devices have many inconveniences in the disassembly and assembly of welded parts. With the continuous improvement of production automation and efficiency requirements, a tube-to-sheet welding device that can both ensure welding quality and achieve rapid disassembly and assembly has become an urgent need.

[0003] At present, most of the tube sheet welding devices on the market adopt a fixed connection method. If a welded part fails and needs to be repaired in the future, it is necessary to operate in front of the entire device, which will cause inconvenience in the maintenance operation. In addition, the other parts of the device are complicated, which greatly increases the difficulty of maintenance. For this reason, we provide a tube sheet welding device. Utility Model Content

[0004] In order to solve the above problems, the utility model proposes a tube sheet welding device to more accurately solve the problems raised in the above background technology.

[0005] The utility model is realized by the following technical solutions:

[0006] The utility model provides a tube sheet welding device, comprising a base, a mechanical arm and a welding piece, wherein the mechanical arm is mounted on the base, the welding piece is mounted at the end of the mechanical arm, and a quick disassembly mechanism is connected between the mechanical arm and the welding piece;

[0007] The quick disassembly mechanism includes a first connecting plate fixedly installed at the end of the robotic arm and a second connecting plate fixedly installed at the upper end of the welding part, the lower end surface of the first connecting plate is fixedly connected with a plug-in block, the end of the plug-in block is provided with a limited position plug hole, the surface of the second connecting plate is provided with a plug-in groove, the end of the second connecting plate is provided with a rectangular groove, the inner wall of the rectangular groove is slidably connected with a lap slide, the surface of the lap slide is fixedly connected with a connecting rod, the end of the connecting rod is fixedly connected with a lap plate, and the back side of the lap plate is fixedly connected with a limited position plug-in rod.

[0008] Furthermore, the quick disassembly mechanism also includes a strip-shaped receiving groove opened on the side of the rectangular groove, a fixing rod is fixedly connected between the two end walls of the strip-shaped receiving groove, the outer sleeve of the fixing rod is provided with a spring, the outer sliding sleeve of the fixing rod is connected with a sliding sleeve block, and the sliding sleeve block is slidably connected to the inner wall of the strip-shaped receiving groove.

[0009] Furthermore, a hollow box body is fixedly mounted on the upper end of the welding part, an exhaust fan is fixedly mounted on the inner wall of the hollow box body, an air intake hole is opened through the side of the hollow box body, and a pulling handle is fixedly connected to the front side of the lap plate.

[0010] Furthermore, the plug-in block is inserted into the inner wall of the plug-in slot, and the size of the plug-in slot is adapted to the design size of the plug-in block.

[0011] Furthermore, the end of the limiting plug rod passes through the end wall of the plug slot and is inserted into the inner wall of the limiting plug hole, and the inner diameter of the limiting plug hole is matched with the designed outer diameter of the limiting plug rod.

[0012] Furthermore, one end of the spring is fixedly connected to the end wall of the strip-shaped placement groove, and the other end of the spring is fixedly connected to one end surface of the sliding sleeve block.

[0013] Beneficial effects of the utility model:

[0014] The utility model provides a quick disassembly mechanism, so that when a welded part fails and needs to be repaired in the later stage, the limit rod can be pulled out of the limit plug hole by pulling the pull handle, so that the second connecting plate is not restricted, and the welded part can be quickly disassembled, which is convenient for its later maintenance work.

[0015] The utility model provides a hollow box body, an exhaust fan and an air intake hole, so that the smoke generated during welding can be matched with the corresponding air intake pipe installed at the air intake hole, and the pipe end is aligned with the welding point to achieve the treatment of the smoke, which makes the situation of penetrating the welding point clearer during welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of a partial connection structure between a mechanical arm and a welding part in one embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure between a welding piece and a second connecting plate in one embodiment of the utility model;

[0019] Figure 4 This is a top sectional view of the structure of the second connecting plate of an embodiment of the utility model.

[0020] In the figure: 1. base; 2. mechanical arm; 3. welding part; 4. first connecting plate; 5. second connecting plate; 6. plug-in block; 7. limit plug-in hole; 8. plug-in slot; 9. rectangular groove; 10. overlapping slide plate; 11. connecting rod; 12. overlapping plate; 13. limit plug-in rod; 14. strip placement slot; 15. fixing rod; 16. spring; 17. sliding sleeve block; 18. hollow box body; 19. exhaust fan; 20. air inlet hole; 21. pull handle. DETAILED DESCRIPTION

[0021] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0022] Example

[0023] like Figure 1-Figure 4 As shown, a tube-sheet welding device proposed in one embodiment of the utility model comprises a base 1, a mechanical arm 2 and a welding piece 3, wherein the mechanical arm 2 is mounted on the base 1, the welding piece 3 is mounted at the end of the mechanical arm 2, and a quick disassembly mechanism is connected between the mechanical arm 2 and the welding piece 3; the quick disassembly mechanism comprises a first connecting plate 4 fixedly mounted at the end of the mechanical arm 2 and a second connecting plate 5 fixedly mounted at the upper end of the welding piece 3, a plug-in block 6 is fixedly connected to the lower end surface of the first connecting plate 4, a limited position plug-in hole 7 is provided at the end of the plug-in block 6, a plug-in groove 8 is provided on the surface of the second connecting plate 5, a rectangular groove 9 is provided at the end of the second connecting plate 5, and the rectangular groove 9 has a The inner wall is slidably connected with a lap slide plate 10, and a connecting rod 11 is fixedly connected to the surface of the lap slide plate 10, and a lap plate 12 is fixedly connected to the end of the connecting rod 11, and a limiting rod 13 is fixedly connected to the back of the lap plate 12. A hollow box body 18 is fixedly installed on the upper end of the weldment 3, and an exhaust fan 19 is fixedly installed on the inner wall of the hollow box body 18. An air intake hole 20 is opened through the side of the hollow box body 18, and a pulling handle 21 is fixedly connected to the front of the lap plate 12, and the end of the limiting rod 13 passes through the end wall of the plug-in slot 8 and is inserted into the inner wall of the limiting socket 7, and the inner diameter of the limiting socket 7 is matched with the designed outer diameter of the limiting rod 13.

[0024] Furthermore, the quick disassembly mechanism also includes a strip-shaped placement groove 14 opened on the side of the rectangular groove 9, a fixing rod 15 is fixedly connected between the two end walls of the strip-shaped placement groove 14, a spring 16 is sleeved on the outer periphery of the fixing rod 15, a sliding sleeve block 17 is slidably sleeved on the outer periphery of the fixing rod 15, and the sliding sleeve block 17 is slidably connected to the inner wall of the strip-shaped placement groove 14, one end of the spring 16 is fixedly connected to the end wall of the strip-shaped placement groove 14, and the other end of the spring 16 is fixedly connected to one end surface of the sliding sleeve block 17.

[0025] Among them, by arranging the strip mounting groove 14, the fixing rod 15, the spring 16 and the sliding sleeve block 17, the lap plate 12 can better cooperate with the lap slide plate 10, the connecting rod 11, the strip mounting groove 14, the fixing rod 15 and the sliding sleeve block 17 without being subjected to force and can be reset under the rebound force of the spring 16, thereby achieving the effect of completing the reset of the limit rod 13 and fixing the first connecting plate 4 and the second connecting plate 5 while releasing the pull handle 21.

[0026] Furthermore, a hollow box body 18 is fixedly installed on the upper end of the welding part 3, an exhaust fan 19 is fixedly installed on the inner wall of the hollow box body 18, an air intake hole 20 is opened through the side of the hollow box body 18, and a pulling handle 21 is fixedly connected to the front of the lap plate 12.

[0027] Among them, by setting the hollow box body 18, the exhaust fan 19 and the air inlet hole 20, firstly, the smoke generated at the welding point during welding can be extracted, and secondly, air flow will be generated at the welding point during the exhaust process, which can also achieve a cooling effect on the welding point.

[0028] Working principle of the utility model: when the tube-to-sheet welding device is in use, if the welding part 3 fails, the pull handle 21 can be pulled to drive the lap plate 12 and the limit plug rod 13 to move, so that the end of the limit plug rod 13 is pulled out from the inner wall of the limit plug hole 7, and the plug block 6 is not constrained at this time, and then the welding part 3 can be moved down to complete the rapid disassembly; after the overhaul is completed, only the pull handle 21 needs to be pulled again, and then the second connecting plate 5 is close to the first connecting plate 4 and the plug block 6 is inserted into the plug slot 8, and then the force on the pull handle 21 is released to reset the limit plug rod 13 and insert it into the inner wall of the limit plug hole 7, so as to achieve the rapid installation effect of the welding part 3; and if the smoke is large during the whole welding process, the corresponding air duct can be installed through the air inlet through hole 20 before that, and the exhaust end of the air duct can be close to the welding place, so that the exhaust fan 19 can be started at the same time of the later welding, so that the air duct can absorb the smoke, so as to achieve the purpose of better smoke treatment.

[0029] Finally, it should be noted that the basic concepts have been described above. Obviously, for those skilled in the art, the above detailed disclosure is only an example and does not constitute a limitation of this specification. Although it is not explicitly stated here, those skilled in the art may make various modifications, improvements and corrections to this specification. Such modifications, improvements and corrections are suggested in this specification, so such modifications, improvements and corrections still belong to the spirit and scope of the exemplary embodiments of this specification. At the same time, this specification uses specific words to describe the embodiments of this specification. For example, "one embodiment", "one embodiment", and / or "some embodiments" refer to a certain feature, structure or characteristic related to at least one embodiment of this specification. Therefore, it should be emphasized and noted that "one embodiment" or "one embodiment" or "an alternative embodiment" mentioned twice or more in different positions in this specification does not necessarily refer to the same embodiment. In addition, certain features, structures or characteristics in one or more embodiments of this specification can be appropriately combined. In addition, unless explicitly stated in the claims, the order of processing elements and sequences described in this specification, the use of alphanumeric characters, or the use of other names are not used to limit the order of the processes and methods of this specification.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A tube-to-sheet welding device, comprising a base (1), a mechanical arm (2) and a welding piece (3), wherein the mechanical arm (2) is mounted on the base (1), and the welding piece (3) is mounted at the end of the mechanical arm (2), characterized in that: A quick disassembly mechanism is connected between the mechanical arm (2) and the welding piece (3); The quick disassembly mechanism comprises a first connecting plate (4) fixedly mounted at the end of the mechanical arm (2) and a second connecting plate (5) fixedly mounted at the upper end of the welding part (3); a plug-in block (6) is fixedly connected to the lower end surface of the first connecting plate (4); a limit plug-in hole (7) is provided at the end of the plug-in block (6); a plug-in groove (8) is provided on the surface of the second connecting plate (5); a rectangular groove (9) is provided at the end of the second connecting plate (5); a lap slide plate (10) is slidably connected to the inner wall of the rectangular groove (9); a connecting rod (11) is fixedly connected to the surface of the lap slide plate (10); a lap plate (12) is fixedly connected to the end of the connecting rod (11); and a limit plug-in rod (13) is fixedly connected to the back of the lap plate (12).

2. A tube sheet welding device according to claim 1, characterized in that: The quick disassembly mechanism also includes a strip-shaped placement groove (14) provided on the side of the rectangular groove (9), a fixing rod (15) is fixedly connected between the two end walls of the strip-shaped placement groove (14), a spring (16) is sleeved on the outer periphery of the fixing rod (15), a sliding sleeve block (17) is slidably sleeved on the outer periphery of the fixing rod (15), and the sliding sleeve block (17) is slidably connected to the inner wall of the strip-shaped placement groove (14).

3. The tube sheet welding device according to claim 1, characterized in that: A hollow box body (18) is fixedly mounted on the upper end of the welding part (3), an exhaust fan (19) is fixedly mounted on the inner wall of the hollow box body (18), an air intake hole (20) is formed through the side of the hollow box body (18), and a pulling handle (21) is fixedly connected to the front side of the lap plate (12).

4. A tube sheet welding device according to claim 1, characterized in that: The plug-in block (6) is inserted into the inner wall of the plug-in slot (8), and the size of the plug-in slot (8) is adapted to the design size of the plug-in block (6).

5. The tube sheet welding device according to claim 1, characterized in that: The end of the limiting plug rod (13) passes through the end wall of the insertion groove (8) and is inserted into the inner wall of the limiting plug hole (7), and the inner diameter of the limiting plug hole (7) is adapted to the designed outer diameter of the limiting plug rod (13).

6. A tube sheet welding device according to claim 2, characterized in that: One end of the spring (16) is fixedly connected to the end wall of the strip-shaped placement groove (14), and the other end of the spring (16) is fixedly connected to one end surface of the sliding sleeve block (17).

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