Water heater shell welding device with firm welding seam

Abstract

The utility model relates to the field of welding equipment, in particular to a water heater shell welding device with a firm welding seam, which comprises a rack, a supporting die arranged on the rack, a bottom pressing die vertically arranged below the supporting die in a sliding manner, side pressing dies horizontally arranged on two sides of the supporting die in a sliding manner, and a lifting frame arranged at the upper end of the rack in a sliding manner, a sliding frame is horizontally arranged on the side face of the lifting frame and provided with a welding unit, and the welding unit is arranged above the supporting die. According to the utility model, the bottom pressing die and the two side pressing dies are pressed on the supporting die to play a role in fixing the metal plate, so that the butt joint of gaps of the metal plate is stable, and the welding is more stable and firmer.

Description

Technical Field

[0001] The utility model relates to the field of welding equipment, in particular to a welding device for a water heater shell with a firm weld. Background Art

[0002] A water heater is a common household hot water device. According to the energy type, it is divided into gas water heaters and electric water heaters. In some buildings without gas, such as apartments, electric water heaters are used. Electric water heaters are generally composed of an inner tank and an outer shell for storing water. The inner tank and the outer shell are generally welded with metal plates. During the outer shell welding process, the weld is easily loose due to problems such as loose correspondence of the plates or movement of the plates during welding. Therefore, it is particularly necessary to develop a water heater shell welding device with a firm weld and improved production quality. Summary of the invention

[0003] The utility model aims to provide a water heater shell welding device with a firm weld seam, which has the functions of firm weld seam and improving production quality.

[0004] The technical solutions adopted are as follows:

[0005] A water heater shell welding device with a firm weld comprises a frame, a supporting die is arranged on the frame, a bottom pressure die is arranged vertically and slidably below the supporting die, side pressure dies are arranged horizontally and slidably on both sides of the supporting die, a lifting frame is arranged slidably on the upper end of the frame, a sliding frame is arranged horizontally on the side of the lifting frame, a welding unit is installed on the sliding frame, and the welding unit is arranged above the supporting die.

[0006] Preferably, a lifting platform is provided at the bottom end of the frame, and the upper end of the lifting platform is fixedly connected to the bottom die.

[0007] Preferably, the lifting frame includes a sliding block, and a first telescopic rod is vertically arranged on the frame, and the upper end of the first telescopic rod is fixedly connected to the sliding block.

[0008] Preferably, a plurality of guide shafts are arranged on the side of the lifting frame, the sliding frame is slidably arranged on the guide shafts, a lead screw parallel to the guide shafts is rotatably arranged on the lifting frame, a driving motor connected to the lead screw is arranged on the lifting frame, and the lead screw is threadedly connected to the sliding frame.

[0009] Preferably, a welding groove is provided on the upper end surface of the support mold.

[0010] Preferably, an induced draft fan is disposed inside the support mold, and the induced draft fan is provided with a smoke exhaust pipe extending to the outside of the support mold.

[0011] Compared with the prior art, the beneficial effects are:

[0012] 1. The utility model sets the metal sheet for making the water heater shell on the supporting mold, and makes the welding seam located at the upper end of the supporting mold, and then uses the bottom pressure mold and two side pressure molds to press on the supporting mold to fix the metal sheet, so that the gap of the metal sheet is stably connected and the welding is more stable and firm.

[0013] 2. In the utility model, an induced draft fan is arranged inside the support mold to collect and discharge the welding smoke inside the support mold, thereby reducing the welding smoke from diffusing in the workshop and polluting the workshop environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional structural schematic diagram of a water heater shell welding device with a firm weld seam according to the utility model.

[0015] Figure 2 This is a front view structural diagram of a water heater shell welding device with a firm weld seam according to the utility model.

[0016] Figure 3 This is a left-side structural schematic diagram of a water heater shell welding device with a firm weld seam according to the utility model.

[0017] In the figure: 1. frame, 2. supporting mold, 3. bottom pressure mold, 4. lifting platform, 5. welding groove, 6. side pressure mold, 7. lifting frame, 8. first telescopic rod, 9. guide shaft, 10. screw, 11. driving motor, 12. welding unit, 13. induced draft fan. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with specific embodiments. Figures 1 to 3 As shown:

[0019] Embodiment 1: A device for welding a water heater shell with a strong weld, comprising a frame 1, a support die 2 is arranged on the frame 1, a metal sheet used to make the water heater shell is bent and sleeved on the support die 2, a bottom pressing die 3 is vertically slidably arranged below the support die 2, the bottom pressing die 3 is adapted to the shape of the lower end of the support die 2, the bottom pressing die 3 is raised and pressed on the support die 2 to fix the metal sheet at the lower end of the support die 2,

[0020] Side pressing dies 6 are horizontally slidably arranged on both sides of the supporting die, and the side pressing dies 6 are horizontally slidable, and the side pressing dies 6 fix the metal plates on the left and right sides of the upper end of the supporting die 2. A lifting frame 7 is slidably arranged on the upper end of the frame 1, and a sliding frame is horizontally arranged on the side of the lifting frame 7. The sliding frame is installed with a welding unit 12, and the welding unit 12 is arranged above the supporting die 2. The lifting frame 7 and the sliding frame adjust the position of the welding unit 12.

[0021] The metal sheet is fixed on the supporting die 2 by using the side die 6 and the bottom die 3 to stabilize the gap of the metal sheet, and then the position of the welding unit 12 is adjusted by using the lifting frame 7 and the sliding frame, and the welding unit 12 is used to weld the joint of the metal sheet;

[0022] Embodiment 2: A device for welding a water heater shell with a strong weld, comprising a frame 1, a support die 2 is arranged on the frame 1, a metal sheet used to make the water heater shell is bent and sleeved on the support die 2, a bottom pressing die 3 is vertically slidably arranged below the support die 2, a lifting platform 4 is arranged at the bottom end of the frame 1, the upper end of the lifting platform 4 is fixedly connected to the bottom pressing die 3, the bottom pressing die 3 is adapted to the shape of the lower end of the support die 2, the bottom pressing die 3 is lifted and pressed on the support die 2, and the metal sheet at the lower end of the support die 2 is fixed,

[0023] The upper end surface of the support mold 2 is provided with a welding groove 5, and the joint of the metal plate corresponds to the welding groove 5. The support mold 2 is provided with an induced draft fan 13, and the induced draft fan 13 is provided with a smoke exhaust pipe extending to the outside of the support mold 2 to collect and exhaust the welding smoke inside the support mold 2, thereby reducing the welding smoke from being diffused in the workshop and polluting the workshop environment.

[0024] Both sides of the support mold 2 are horizontally slidably provided with side pressure molds 6, and the side pressure molds 6 are horizontally slidable. The metal plates on the left and right sides of the upper end of the side pressure mold 6 support mold 2 are fixed. A lifting frame 7 is slidably provided on the upper end of the frame 1. The lifting frame 7 includes a sliding block. A first telescopic rod 8 is vertically provided on the frame 1. The upper end of the first telescopic rod 8 is fixedly connected to the sliding block. A sliding frame is horizontally provided on the side of the lifting frame 7. A plurality of guide shafts 9 are provided on the side of the lifting frame 7. The sliding frame is slidably provided on the guide shaft 9. A lead screw 10 parallel to the guide shaft 9 is rotatably provided on the lifting frame 7. A driving motor 11 connected to the lead screw 10 is provided on the lifting frame 7. The lead screw 10 is threadedly connected to the sliding frame. The driving motor 11 drives the lead screw 10 to rotate, so that the movement of the sliding frame is controlled by the lead screw 10.

[0025] The sliding frame is equipped with a welding unit 12, which is arranged above the supporting mold 2. The lifting frame 7 and the sliding frame adjust the position of the welding unit 12, and the side pressure mold 6 and the bottom pressure mold 3 are used to fix the metal sheet on the supporting mold 2 so that the gap of the metal sheet is stably connected. Then, the lifting frame 7 and the sliding frame are used to adjust the position of the welding unit 12, and the welding unit 12 is used to weld the joints of the metal sheet.

[0026] The specific working process is as follows: the metal sheet for making the water heater shell is sleeved on the supporting mold 2, and the weld is located at the upper end of the supporting mold 2 corresponding to the welding groove 5, the induced draft fan 13 is started, and the bottom pressure mold 3 and the two side pressure molds 6 are pressed on the supporting mold 2 to fix the metal sheet so that the gap of the metal sheet is stably connected, and then the lifting frame 7 is controlled to rise and fall, and the sliding frame slides, so as to change the position of the welding unit 12, and the welding unit 12 is used for welding.

[0027] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A water heater shell welding device with a strong weld, characterized in that: It includes a frame, a supporting mold is arranged on the frame, a bottom pressure mold is vertically slidably arranged below the supporting mold, side pressure molds are horizontally slidably arranged on both sides of the supporting mold, a lifting frame is slidably arranged on the upper end of the frame, a sliding frame is horizontally arranged on the side of the lifting frame, a welding unit is installed on the sliding frame, and the welding unit is arranged above the supporting mold.

2. A water heater shell welding device with a strong weld as claimed in claim 1, characterized in that: A lifting platform is arranged at the bottom end of the frame, and the upper end of the lifting platform is fixedly connected with the bottom pressing die.

3. A water heater shell welding device with a strong weld as claimed in claim 1, characterized in that: The lifting frame comprises a sliding block, a first telescopic rod is vertically arranged on the frame, and the upper end of the first telescopic rod is fixedly connected to the sliding block.

4. A water heater shell welding device with a strong weld as claimed in claim 1, characterized in that: The lifting frame is provided with a plurality of guide shafts on the side, the sliding frame is slidably provided on the guide shafts, the lifting frame is rotatably provided with a lead screw parallel to the guide shafts, the lifting frame is provided with a driving motor connected to the lead screw, and the lead screw is threadedly connected to the sliding frame.

5. A water heater shell welding device with a strong weld as claimed in claim 1, characterized in that: The upper end surface of the supporting mold is provided with a welding groove.

6. A water heater shell welding device with a strong weld as claimed in claim 1, characterized in that: An induced draft fan is arranged inside the support mold, and the induced draft fan is provided with a smoke exhaust pipe extending to the outside of the support mold.

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