Gas water heater burner shell assembly riveting integrated continuous stamping die and stamping process

Abstract

The application discloses a continuous stamping die and stamping process for assembling and riveting a gas water heater burner shell, and the stamping process comprises the following steps: processing of fire grate pieces, the processing of the fire grate pieces is to form two fire grate pieces by processing a stainless steel plate; processing of flame ports, the processing of the flame ports is to obtain the flame ports through which mixed gas passes by processing the stainless steel plate. The continuous stamping die and stamping process for assembling and riveting the gas water heater burner shell are completed by a set of continuous dies, and the original at least two stamping lines are combined into one stamping line, so that the full-process stamping, assembling and riveting of a complete assembly component composed of three stamping parts are completed under the condition of ensuring the original raw material utilization rate and production speed. By combining the two stamping lines into one stamping line, the workpiece turnover, site storage and assembling links of the two parts are saved, so that the production efficiency is improved and the manufacturing cost is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of burners, in particular to a continuous stamping die and stamping process for assembling and riveting a gas water heater burner shell. BACKGROUND

[0002] A burner, commonly known as a fire, is a device that mixes and burns fuel and air in a certain way. A gas burner is defined as a device that converts heat energy through chemical reactions, that is, it mixes air and fuel in the appropriate ratio through a premixing device to fully burn the heat energy.

[0003] Two fire pieces with flame stabilizing function are assembled and welded to form a burner shell with flame stabilizing function. Figure 3 A complete burner is formed by assembling a flame port at one open end, Figure 1 The flame port is also called a flame port, a combustion port, a top plate, an inner core, etc. Figure 2

[0004] The above-mentioned disadvantages are:

[0005] Two fire pieces with flame stabilizing function are punched from stainless steel strips, and a flame port is assembled, a total of three pieces, the production process is: a set of continuous die punches the flame port; a set of continuous die punches out two fire pieces, which are assembled and riveted in the die or outside the die.

[0006] At least two sets of continuous dies are required to punch out two groups of parts during production, and the assembly of the flame port and the fire is completed outside the die, and then spot welding is used for reinforcement. Multiple operation steps and turnover sites are required during production. SUMMARY

[0007] The present application provides a continuous stamping die and stamping process for assembling and riveting a gas water heater burner shell, to solve the problems raised in the above background.

[0008] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a continuous stamping die and stamping process for assembling and riveting a gas water heater burner shell, the continuous stamping die and stamping process includes the following steps:

[0009] S1, processing the fire piece, the processing of the fire piece is to form two fire pieces by processing a stainless steel plate;

[0010] S2, processing the flame port, the processing of the flame port is to obtain a flame port for mixing gas by processing a stainless steel plate;

[0011] S3, assembling the fire piece, the assembling of the fire piece is to fix the position of the two fire pieces;​

[0012] S4, assembling the flame port, which is to assemble the flame port between two fire row pieces to form an assembly component;

[0013] S5, removing the assembly component, which is to remove the completed assembly component from the stamping line equipment;

[0014] S6, welding, which is to weld the fire row pieces by spot welding.

[0015] Preferably, the processing of the fire row piece and the processing of the flame port both include punching positioning holes, pre-cutting, stretching, shaping, trimming, punching and bending.

[0016] Preferably, the punching positioning holes are punched on the stainless steel plate, and the position of the stainless steel plate is fixed by passing the positioning hole through the guide pin, the pre-cutting is to punch the stainless steel plate into the required shape.

[0017] Preferably, the stretching is to pull the two four sides of the cut stainless steel plate inward to become a three-dimensional shape, the shaping is to press the inaccurate places of the bending and stretching into accurate shapes, the trimming is to remove the excess of the outer edge or inner hole of the stainless steel plate to obtain a neat cross section, the punching is to punch the required holes on the stainless steel plate, and the bending is to bend the stainless steel plate to eighty-five to ninety-five degrees.

[0018] Preferably, the assembly of the fire row piece includes workpiece turning and workpiece fixing, the workpiece turning is to turn one fire row piece above another fire row piece, and the workpiece fixing is to fix the two fire row pieces by folding and hole turning.

[0019] Preferably, the assembly of the flame port includes workpiece rotation and workpiece movement, the workpiece rotation is to turn the flame port by ninety degrees, and the workpiece movement is to move the workpiece between the two fire row pieces.

[0020] Preferably, one side of the fire row piece is provided with a rivet hook for fixing the position of the flame port.

[0021] Preferably, the removal of the assembly component includes movement of the assembly component and sorting of the assembly component, the movement of the assembly component is to remove the assembly component from the stamping line equipment through the sliding groove or the conveyor belt, and the sorting of the assembly component is to arrange the assembly components in order.

[0022] Preferably, the welding includes moving, positioning, spot welding and moving out, the moving is moving the position of the assembly component by the mechanical arm, the positioning is placing the welding point of the assembly component at the output end of the welding machine, the spot welding is welding between the fire row piece and the flame port, and the moving out is moving out the assembly component after the spot welding is finished.

[0023] Technical effects and advantages of the present application:

[0024] The gas water heater burner shell assembly riveting integrated continuous stamping die and stamping process combines two stamping lines into one stamping line, ensures that the original raw material utilization rate and production speed are completed, and completes the full-process stamping, assembly and riveting of the complete assembly component composed of three stamping parts, saves the workpiece turnover, site storage and assembly link of the two parts in the subsequent assembly, thereby improving the production efficiency and reducing the manufacturing cost. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a schematic diagram of the burner (fire row) assembly body;

[0026] Figure 2 It is a schematic diagram of the three parts after the fire row assembly is disassembled;

[0027] Figure 3 It is a schematic diagram of the riveting assembly of two fire row pieces;

[0028] Figure 4 It is a schematic diagram of the arrangement of two fire row pieces and one flame port in the raw material;

[0029] Figure 5 It is a process flowchart of the present application. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] The present application provides a gas water heater burner shell assembly riveting integrated continuous stamping die and stamping process as shown in Figure 1 The integrated continuous stamping die and stamping process includes the following steps:

[0032] S1, processing the fire row piece, the processing of the fire row piece is to form two fire row pieces from a stainless steel plate through processing, as shown in Figure 2 ;

[0033] S2, processing of the flame port, the processing of the flame port is to pass the stainless steel plate to obtain the flame port through the mixed gas, as shown in Figure 2 ;

[0034] S3, assembling of the flame plate, the assembling of the flame plate is to fix the position of the two flame plates Figure 3 );

[0035] S4, assembling of the flame port, the assembling of the flame port is to assemble the flame port between the two flame plates to form an assembled component, as shown in Figure 1 ;

[0036] S5, removing the assembled component, removing the assembled component is to remove the assembled component from the stamping line equipment;

[0037] S6, welding, welding is to weld the flame plate and the flame plate, and the flame plate and the flame port by spot welding.

[0038] It should be noted that the assembled component is composed of two flame plates and a flame port. When assembling the assembled component, the two flame plates are first fixed, then the flame port is inserted between the two flame plates, the flame port is clamped by the two flame plates, and finally the position of the flame port is fixed by spot welding.

[0039] Further, S1-S5 is completed by a continuous die, which combines the original at least two stamping lines into one stamping line, ensuring that the original material utilization rate and production speed are completed by three stamping parts to complete the whole process stamping, assembling and riveting of a complete assembled component. By combining two stamping lines into one stamping line, and saving the workpiece turnover, storage space, and assembly links of the two parts, the production efficiency is improved and the manufacturing cost is reduced. The layout mode is shown in Figure 4 .

[0040] Specifically, the processing of the flame plate and the processing of the flame port both include punching positioning hole, pre-cutting, stretching, shaping, edge cutting, punching and bending.

[0041] Specifically, the punching positioning hole is to punch a positioning hole in the stainless steel plate, and the positioning hole is fixed by the positioning hole through the guide pin to fix the position of the stainless steel plate. The pre-cutting is to cut the stainless steel plate into the required shape.

[0042] It should be noted that the positioning hole in the stainless steel plate is used to fix the position of the stainless steel plate, so as to avoid movement of the stainless steel plate during pre-cutting, thereby avoiding changes in the cutting position and shape of the stainless steel plate due to movement during pre-cutting.

[0043] Specifically, the stretching is to pull the four sides of the punched stainless steel plate inward to become a three-dimensional shape, the shaping is to press the inaccurate places of the bending and stretching into accurate shapes, the trimming is to remove the excess of the outer edge or inner hole of the stainless steel plate to obtain a neat cross section, the punching is to punch the required holes on the stainless steel plate, and the bending is to bend the stainless steel plate to 85-95 degrees.

[0044] It should be noted that the pre-cut stainless steel plate is shaped into a fixed three-dimensional shape by stretching, shaping, trimming, punching and bending; the irregular edges generated by the drawing are punched to obtain a neat profile shape; the riveting holes and flame holes are punched on the fire row piece and the flame port; the riveting edge of the fire row piece and the three-dimensional edge of the flame port are bent out.

[0045] Specifically, the assembly of the fire row piece includes workpiece overturning and workpiece fixing. The workpiece overturning is to overturn one fire row piece above another fire row piece, and the workpiece fixing is to fix the two fire row pieces by bending and hole turning.

[0046] It should be noted that when the fire row piece needs to be assembled, one fire row piece is overturned above another fire row piece to face each other, and the two fire row pieces are fixed by bending and hole turning. The flame port assembly port is located at the joint of the two fire row pieces.

[0047] Specifically, the assembly of the flame port includes workpiece rotation and workpiece movement. The workpiece rotation is to overturn the flame port by 90 degrees, and the workpiece movement is to move the workpiece between the two fire row pieces.

[0048] Specifically, one side of the fire row piece is provided with a rivet hook for fixing the position of the flame port.

[0049] It should be noted that when the flame port needs to be fixed between the two fire row pieces, the flame port is placed between the two fire row pieces, and the rivet hook is bent towards the flame port to fix the flame port between the two fire row pieces, as shown in Figure 1 .

[0050] Specifically, the moving out of the assembly component includes the movement of the assembly component and the sequencing of the assembly component. The movement of the assembly component is to move the assembly component out of the stamping line equipment through the sliding groove or the conveying belt, and the sequencing of the assembly component is to arrange the assembly components in order.

[0051] Specifically, the welding includes moving, positioning, spot welding and moving out. The moving is to move the position of the assembly component by the mechanical arm, the positioning is to place the welding point of the assembly component at the output end of the welding machine, the spot welding is to weld the fire row piece, the fire row piece and the flame port, and the moving out is to move the assembly component out of the spot welding machine after the spot welding is completed.

[0052] It should be noted that the mechanical arm is set by the gripper of the mechanical arm to grasp the assembly component, and then move the assembly component to the output end of the spot welding machine. After the assembly component is taken out from the stamping line equipment, the two fire plate pieces and the flame port are fixed by spot welding.

[0053] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, such as size and shape changes of the fire plate piece, size, distribution mode, distribution number, and shape changes of the flame port. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A continuous stamping process for riveting a gas water heater burner housing assembly, characterized in that, The integrated continuous stamping process comprises the following steps: S1, performing fire row piece processing, the fire row piece processing is to form two fire row pieces by processing a stainless steel plate; S2, performing flame port processing, the flame port processing is to obtain a flame port passing through mixed fuel gas by processing a stainless steel plate; S3, performing fire row piece assembly, the fire row piece assembly is to fix the positions of the two fire row pieces; S4, performing flame port assembly, the flame port assembly is to assemble the flame port between the two fire row pieces to form an assembly component; S5, performing assembly component removal, the assembly component removal is to remove the completed assembly component from the stamping line equipment; S6, performing welding, the welding is to weld the fire row pieces and the flame port by spot welding; Wherein, S1-S5 are completed by a set of continuous dies, the fire row piece assembly comprises workpiece overturning and workpiece fixing, the workpiece overturning is to overturn one fire row piece above another fire row piece, and the workpiece fixing is to fix the two fire row pieces by edge folding and hole turning; The flame port assembly comprises workpiece rotation and workpiece movement, the workpiece rotation is to overturn the flame port by ninety degrees, and the workpiece movement is to move the flame port between the two fire row pieces.

2. The gas water heater burner housing assembly riveted integrated continuous stamping process of claim 1, wherein, The fire row piece processing and the flame port processing both comprise punch positioning hole, pre-cutting, stretching, shaping, edge cutting, punching and bending.

3. The gas water heater burner housing assembly riveted integrated continuous stamping process of claim 2, wherein, The punch positioning hole is to fix the position of the stainless steel plate by punching a hole on the stainless steel plate and passing a guide pin through the positioning hole, the pre-cutting is to punch the stainless steel plate into a required shape.

4. The gas water heater burner housing assembly riveted integrated continuous stamping process of claim 3, wherein, The stretching is to pull the four sides of the cut stainless steel plate inward to become a three-dimensional shape, the shaping is to press the inaccurate places of the bending and stretching into accurate shapes, the edge cutting is to remove the excess of the outer edge or inner hole of the stainless steel plate to obtain a neat cross section, the punching is to punch a required hole on the stainless steel plate, and the bending is to bend the stainless steel plate to eighty-five to ninety-five degrees.

5. The gas water heater burner housing assembly riveted integrated continuous stamping process of claim 1, wherein, When the fire row pieces need to be assembled, one fire row piece is overturned above another fire row piece to face each other.

6. The gas water heater burner housing assembly riveted integrated continuous stamping process of claim 5, wherein, The flame port assembly port is located at the abutting position of the two fire row pieces.

7. The gas water heater burner housing assembly riveted integrated continuous stamping process of claim 6, wherein, One side of the fire row piece is provided with a rivet hook for fixing the position of the flame port.

8. The gas water heater burner housing assembly riveted integrated continuous stamping process of claim 1, wherein, The assembly component removal comprises assembly component movement and assembly component sequencing, the assembly component movement is to remove the assembly component from the stamping line equipment by a sliding groove or a conveying belt, and the assembly component sequencing is to arrange the assembly components in sequence.

9. The gas water heater burner housing assembly riveted integrated continuous stamping process of claim 1 wherein, The welding comprises movement, positioning, spot welding and removal, the movement is to move the position of the assembly component by a mechanical arm, the positioning is to place the welding point of the assembly component at the output end of a welding machine, the spot welding is to weld the fire row pieces and the flame port, and the removal is to remove the assembly component after the spot welding from the spot welding machine.

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