Bolt welding device for heat exchanger

Abstract

The utility model provides a heat exchanger bolt welding device. The heat exchanger bolt welding device comprises a device body, a vertical supporting plate is fixedly connected to the device body, a top plate is fixedly connected to the vertical supporting plate, a lifting motor box is fixedly connected to the top plate, and a lifting fixing frame is fixedly connected to the lifting motor box; the lifting fixing frame is fixedly connected with a lifting motor, an output shaft of the lifting motor is provided with a lifting threaded rod, the lifting threaded rod is in threaded connection with a lifting nut block, the lifting nut block is fixedly connected with a transverse connecting rod, and the transverse connecting rod is fixedly connected with a fixing frame; a sliding rod is fixedly connected to the fixing frame, a sliding block is connected to the sliding rod in a sliding mode, a sliding baffle is fixedly connected to the sliding block, and a fixing spring is arranged on the sliding rod. The heat exchanger bolt welding device has the effect of improving the welding quality.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchanger bolt welding, in particular to a heat exchanger bolt welding device. Background Technique

[0002] A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid, also known as a heat exchanger. Heat exchangers play an important role in many industrial productions such as chemical industry, petroleum, power, food and others. In chemical production, heat exchangers can be used as heaters, coolers, condensers, evaporators, reboilers, etc., and are widely used.

[0003] There are many problems in the actual application of traditional heat exchanger bolt welding devices, especially in the aspect of bolt fixation, showing obvious deficiencies. Traditional welding devices usually only rely on simple manual clamping or positioning methods to handle bolts, lacking a special bolt fixation function. This leads to unstable phenomena such as position deviation and shaking of bolts during welding operations, resulting in a significant reduction in the bolt welding quality.

[0004] Therefore, it is necessary to provide a heat exchanger bolt welding device to solve the above technical problems. Content of the Utility Model

[0005] The utility model provides a heat exchanger bolt welding device, which solves the problem that the traditional device lacks a bolt fixation function, resulting in a significant reduction in welding quality.

[0006] To solve the above technical problems, a heat exchanger bolt welding device provided by the utility model includes: a device main body, a vertical support plate is fixedly connected to the device main body, a top plate is fixedly connected to the vertical support plate, a lifting motor box is fixedly connected to the top plate, a lifting fixing frame is fixedly connected to the lifting motor box, a lifting motor is fixedly connected to the lifting fixing frame, a lifting threaded rod is arranged on the output shaft of the lifting motor, a lifting nut block is threadedly connected to the lifting threaded rod, a transverse connecting rod is fixedly connected to the lifting nut block, a fixing frame is fixedly connected to the transverse connecting rod, a sliding rod is fixedly connected to the fixing frame, a slider is slidably connected to the sliding rod, a sliding baffle is fixedly connected to the slider, a bolt fixing block is fixedly connected to the slider, a fixing spring is arranged on the sliding rod, and a lifting limiting block is fixedly connected to the vertical support plate.

[0007] Preferably, a rotating motor box is fixedly connected to the device main body, a rotating fixing frame is fixedly connected to the rotating motor box, a rotating motor is fixedly connected to the rotating fixing frame, a rotating block is arranged on the rotating motor, a welding rotating frame is fixedly connected to the rotating block, and a welding torch is installed on the welding rotating frame.

[0008] Preferably, a device base plate is fixedly connected to the device main body. An adjustment groove is formed in the device base plate. A partition block is fixedly connected inside the adjustment groove. An adjustment bearing is arranged on the adjustment groove.

[0009] Preferably, an adjustment threaded rod is rotatably connected to the adjustment bearing. An adjustment nut block is threadedly connected to the adjustment threaded rod. A fixing plate is fixedly connected to the adjustment nut block. A handle is fixedly connected to the adjustment threaded rod.

[0010] Preferably, a heat exchanger housing is arranged on the device base plate. Bolts are arranged between the bolt fixing blocks.

[0011] Preferably, a guiding groove is formed in the vertical support plate. The transverse connecting rod is slidably connected to the guiding groove.

[0012] Preferably, a controller is installed on the device base plate. A device support rod is fixedly connected to the device base plate. An anti-slip pad is fixedly connected to the device support rod.

[0013] Compared with the related art, a heat exchanger bolt welding device provided by the present utility model has the following

[0014] Beneficial effects:

[0015] The present utility model provides a heat exchanger bolt welding device. When using this device for welding, the lifting motor can be controlled to start through the controller first. The lifting motor will drive the transverse connecting rod to move downward. When reaching the predetermined position, the bolt fixing blocks can be pushed to both sides, and then the bolt can be placed between the two bolt fixing blocks, and then the bolt fixing blocks are loosened. At this time, the bolt fixing blocks will clamp the bolt, and at this time, the bolt can be welded. This device increases the fixing function for the bolt. During the welding process, fixing the bolt can prevent its position from shifting. Stable bolt fixing can reduce the shaking caused by vibration or external force during welding, making the welding process smoother, and improving the strength and reliability of the welding joint, thereby achieving the effect of improving the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of a preferred embodiment of a heat exchanger bolt welding device provided by the present utility model;

[0017] Figure 2 It is Figure 1 a top view schematic diagram of the device main body shown;

[0018] Figure 3 It is Figure 1 a front view sectional schematic diagram of the device main body shown;

[0019] Figure 4 It isFigure 3 Schematic cross-sectional view of the lifting motor box shown

[0020] Figure 5 is Figure 2 Schematic enlarged view of part A shown

[0021] Reference numerals in the figure: 1, device main body; 2, device support rod; 3, fixing plate; 4, heat exchanger housing; 5, welded rotating frame; 6, rotating motor box; 7, lifting motor box; 8, top plate; 9, vertical support plate; 10, controller; 11, anti-slip pad; 12, rotating fixing frame; 13, rotating motor; 14, rotating block; 15, adjusting bearing; 16, adjusting nut block; 17, spacer block; 18, adjusting threaded rod; 19, adjusting groove; 20, handle; 21, lifting motor; 22, lifting fixing frame; 23, lifting threaded rod; 24, guiding groove; 25, lifting nut block; 26, lifting limiting block; 27, device bottom plate; 28, bolt; 29, bolt fixing block; 30, fixing spring; 31, sliding rod; 32, fixing frame; 33, sliding baffle; 34, slider; 35, transverse connecting rod; 36, welding torch. Specific embodiments

[0022] The present invention will be further described below in conjunction with the drawings and embodiments.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , where Figure 1 is a schematic structural view of a preferred embodiment of a heat exchanger bolt welding device provided by the present invention; Figure 2 is Figure 1 Schematic top view of the device main body shown Figure 3 is Figure 1 Schematic front cross-sectional view of the device main body shown Figure 4 is Figure 3 Schematic cross-sectional view of the lifting motor box shown Figure 5 is Figure 2Schematic enlarged view of part A shown. A heat exchanger bolt welding device includes: a device main body 1, on which a vertical support plate 9 is fixedly connected. On the vertical support plate 9, a top plate 8 is fixedly connected. On the top plate 8, a lifting motor box 7 is fixedly connected. On the lifting motor box 7, a lifting fixing frame 22 is fixedly connected. On the lifting fixing frame 22, a lifting motor 21 is fixedly connected. On the output shaft of the lifting motor 21, a lifting threaded rod 23 is provided. On the lifting threaded rod 23, a lifting nut block 25 is threadedly connected. On the lifting nut block 25, a transverse connecting rod 35 is fixedly connected. On the transverse connecting rod 35, a fixing frame 32 is fixedly connected. On the fixing frame 32, a sliding rod 31 is fixedly connected. On the sliding rod 31, a slider 34 is slidably connected. On the slider 34, a sliding baffle 33 is fixedly connected. On the slider 34, a bolt fixing block 29 is fixedly connected. On the sliding rod 31, a fixing spring 30 is provided. On the vertical support plate 9, a lifting limit block 26 is fixedly connected. The bolt fixing block 29 functions to fix the bolt, so as to achieve the effect of facilitating welding.

[0024] On the device main body 1, a rotating motor box 6 is fixedly connected. On the rotating motor box 6, a rotating fixing frame 12 is fixedly connected. On the rotating fixing frame 12, a rotating motor 13 is fixedly connected. On the rotating motor 13, a rotating block 14 is provided. On the rotating block 14, a welding rotating frame 5 is fixedly connected. On the welding rotating frame 5, a welding torch 36 is installed. The welding rotating frame 5 facilitates the welding torch 36 to perform multi-angle welding, so as to achieve the effect of improving the welding accuracy.

[0025] On the device main body 1, a device bottom plate 27 is fixedly connected. On the device bottom plate 27, an adjustment groove 19 is opened. Inside the adjustment groove 19, a partition block 17 is fixedly connected. On the adjustment groove 19, an adjustment bearing 15 is provided. The partition block 17 functions to divide the internal space of the adjustment groove 19.

[0026] On the adjustment bearing 15, an adjustment threaded rod 18 is rotatably connected. On the adjustment threaded rod 18, an adjustment nut block 16 is threadedly connected. On the adjustment nut block 16, a fixing plate 3 is fixedly connected. On the adjustment threaded rod 18, a handle 20 is fixedly connected. The adjustment threaded rod 18 functions to drive the adjustment nut block 16 to move, so as to achieve the effect of being able to fix heat exchanger shells 4 of different sizes.

[0027] On the device bottom plate 27, a heat exchanger shell 4 is provided. Between the bolt fixing blocks 29, a bolt 28 is provided. The bolt fixing block 29 functions to fix the bolt 28 to ensure that the bolt 28 does not loosen during welding.

[0028] The vertical support plate 9 is provided with a guide groove 24, and the transverse connecting rod 35 is slidably connected to the guide groove 24. The guide groove 24 has the function of guiding the transverse connecting rod 35, and also has the function of limiting the lifting nut block 25 to a certain extent.

[0029] The controller 10 is installed on the device bottom plate 27, and the device support rod 2 is fixedly connected to the device bottom plate 27. The device support rod 2 is fixedly connected to the anti-skid pad 11. The device support rod 2 has the function of supporting the device body 1 to ensure that the device remains stable during operation.

[0030] The working principle of a heat exchanger bolt welding device provided by the utility model is as follows:

[0031] When using this device for welding, the controller 10 can be used to control the lifting motor 21 to start. The lifting motor 21 will drive the lifting threaded rod 23 to rotate. At this time, the lifting threaded rod 23 will drive the lifting nut block 25 to move downward. The lifting nut block 25 will drive the horizontal connecting rod 35 to move. When the predetermined position is reached, the bolt fixing block 29 can be pushed to both sides, and then the bolt 28 is placed between the two bolt fixing blocks 29. Then the bolt fixing block 29 is loosened. At this time, the fixing spring 30 will use the spring elastic force to push the sliding baffle 33 to move. At the same time, the sliding baffle 33 will drive the bolt fixing block 29 to move. At this time, the bolt fixing block 29 will clamp the bolt 28, and the bolt 28 can be welded.

[0032] Compared with the related art, the heat exchanger bolt welding device provided by the utility model has the following

[0033] Beneficial effects:

[0034] The utility model provides a heat exchanger bolt welding device. When using the device for welding, the lifting motor 21 can be controlled by the controller 10 to start. The lifting motor 21 will drive the horizontal connecting rod 35 to move downward. When reaching the predetermined position, the bolt fixing block 29 can be pushed to both sides, and then the bolt 28 is placed between the two bolt fixing blocks 29, and then the bolt fixing block 29 is loosened. At this time, the bolt fixing block 29 will clamp the bolt 28, and the bolt 28 can be welded. The device adds a fixing function for the bolt. During the welding process, fixing the bolt can prevent its position from shifting. Stable bolt fixing can reduce the shaking caused by vibration or external force during welding, making the welding process more stable, and the strength and reliability of the welding joint can be improved, thereby achieving the effect of improving the welding quality.

[0035] The above are only embodiments of the present utility model, and do not thus limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall similarly be included within the patent protection scope of the present utility model.

Claims

1. A heat exchanger bolt welding device, characterized in that: include: The main body of the device is fixedly connected with a vertical supporting plate, the vertical supporting plate is fixedly connected with a top plate, the top plate is fixedly connected with a lifting motor box, the lifting motor box is fixedly connected with a lifting fixing frame, the lifting motor is fixedly connected with the lifting fixing frame, the lifting motor is fixedly connected with a lifting threaded rod on the output shaft of the lifting motor, the lifting threaded rod is threaded with a lifting nut block, the lifting nut block is fixedly connected with a transverse connecting rod, the transverse connecting rod is fixedly connected with a fixing frame, the fixing frame is fixedly connected with a sliding rod, the sliding rod is slidably connected with a sliding block, the sliding block is fixedly connected with a sliding baffle, the slider is fixedly connected with a bolt fixing block, the sliding rod is provided with a fixing spring, and the sliding rod is fixedly connected with a lifting limiting block.

2. A heat exchanger bolt welding device according to claim 1, characterized in that: The device body is fixedly connected with a rotating motor box, the rotating motor box is fixedly connected with a rotating fixed frame, the rotating fixed frame is fixedly connected with a rotating motor, the rotating motor is provided with a rotating block, the rotating block is fixedly connected with a welding rotating frame, and the welding rotating frame is installed with a welding gun.

3. A heat exchanger bolt welding device according to claim 1, characterized in that: The device body is fixedly connected with a device bottom plate, the device bottom plate is provided with an adjustment groove, a spacer is fixedly connected inside the adjustment groove, and an adjustment bearing is arranged on the adjustment groove.

4. A heat exchanger bolt welding device according to claim 3, characterized in that: An adjusting threaded rod is rotatably connected to the adjusting bearing, an adjusting nut block is threadedly connected to the adjusting threaded rod, a fixing plate is fixedly connected to the adjusting nut block, and a handle is fixedly connected to the adjusting threaded rod.

5. A heat exchanger bolt welding device according to claim 3, characterized in that: A heat exchanger shell is arranged on the bottom plate of the device, and bolts are arranged between the bolt fixing blocks.

6. A heat exchanger bolt welding device according to claim 1, characterized in that: The vertical support plate is provided with a guide groove, and the transverse connecting rod is slidably connected to the guide groove.

7. A heat exchanger bolt welding device according to claim 3, characterized in that: A controller is installed on the device bottom plate, a device support rod is fixedly connected to the device bottom plate, and an anti-skid pad is fixedly connected to the device support rod.

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