A connecting type burner tip and a manufacturing process thereof

Abstract

The application discloses a connecting type furnace end and a manufacturing process thereof, which comprises a furnace end base and a nozzle assembly; further comprises an elbow assembly connected to the furnace end base, and the nozzle assembly is connected to the elbow assembly and the furnace end base to realize locking between the elbow assembly and the furnace end base. The process comprises furnace end base processing and manufacturing, nozzle assembly processing and manufacturing, elbow assembly processing and manufacturing and furnace end assembly. The application can realize radial matching sealing of the furnace end, improve stability of the furnace end, and greatly improve performance and service life of the furnace end, reduce energy consumption, and reduce heat capacity and heat transfer in a long time use, which is beneficial to improve stability and reliability. The manufacturing process adopts cold stamping process, which can reduce carbon emission and dust emission. The process is free of screw connection and gluing process, and meanwhile, the process adopts integrated middle type gas outlet to solve the parting problem of the existing furnace end adopting the die casting process.

Description

Technical Field

[0001] This invention relates to the field of stove head technology, and in particular to a connecting stove head and its manufacturing process. Background Technology

[0002] Currently, in the gas stove and integrated stove industry, traditional aircraft-type burners (also known as Siemens or Sakura burners) occupy a large market share due to their low price and good stability, making them an indispensable component in the industry. However, these burners are basically made of cast iron or cast aluminum, using either sand casting for cast iron or aluminum alloy casting for aluminum alloy. The sand casting process involves burning molten iron, requiring coal, and the sand core manufacturing and cavity cleaning processes generate a lot of dust. Mass production requires large production sites, resulting in a poor production environment. In the long run, this is detrimental to the development of the industry and the protection of the ecological environment.

[0003] In the early days, stainless steel burners for built-in stoves appeared on the market, but their structure and manufacturing process mainly involved extensive laser welding or argon arc welding. Due to their complex interlaced structure and numerous curved surfaces, the process stability for mass production was poor. Furthermore, the stainless steel substrate in the areas subjected to laser welding or argon arc welding was affected by high temperatures, which caused certain changes and made them prone to corrosion during use. Therefore, they have not been widely used.

[0004] Aircraft-type furnace heads on the market generally fall into two main categories. One type features a split-mold structure between the ejector tube and the furnace head base, with a long sealing surface between the two. The connection is made with screws, and the joint surfaces are sealed with sealant. The other type has a process hole on the reverse side of the furnace head base, which is then sealed with a flange structure after the workpiece is machined. This also requires screws, glue, or gaskets. This method involves more steps and results in relatively poor thermal stability. Summary of the Invention

[0005] The purpose of this invention is to provide a connecting burner head and its manufacturing process to address the shortcomings of existing technologies. This solution enables radial sealing of the burner head, improves its stability, and results in a smooth internal surface, significantly enhancing its performance and lifespan. Simultaneously, it reduces overall weight, energy consumption, and heat capacity, allowing for rapid cooling and minimizing internal heat transfer during prolonged use, thus improving stability and reliability. This manufacturing process eliminates the need for casting and the burning of coal or gas fuels, employing a cold stamping process that reduces carbon and dust emissions, contributing to environmental protection. The process eliminates screw connections and adhesive bonding, making it suitable for mass production. Furthermore, its integrated, centrally located gas outlet allows for compatibility with burner caps of various structures, solving the mold separation problem inherent in existing die-cast burner heads.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] A connecting burner head, including

[0008] One stove base;

[0009] And an ejector assembly;

[0010] Its features are:

[0011] It also includes an elbow assembly, which is connected to the burner head seat. The ejector tube assembly connects the elbow assembly and the burner head seat, achieving a locking between the elbow assembly and the burner head seat. Through the design of the above structure, radial fit sealing of the burner head can be achieved, improving the stability of the burner head. The internal surface is smooth, greatly improving the performance and service life of the burner head. At the same time, it can reduce the overall weight, reduce energy consumption, reduce heat capacity, and reduce cooling. During long-term use, there is less internal heat transfer, which is conducive to improving stability and reliability.

[0012] Furthermore, the burner head seat is provided with a cavity, and a straight pipe is provided inside the cavity. The outer side of the burner head seat is provided with a first interface and a second interface. The first interface is connected to the straight pipe, and the second interface is used to connect to the elbow assembly. Through the design of the straight pipe, the mixed gas input from the first interface can be stably delivered to the central burner head, improving the working stability of the burner. The elbow assembly can input the mixed gas into the cavity through the second interface for supplying gas to the outer ring burner head.

[0013] Furthermore, the elbow assembly includes a transition elbow, a third connector, and a positioning collar. The third connector and the positioning collar are located at both ends of the transition elbow. The third connector matches the second interface. The positioning collar is used to connect the ejector assembly. The transition elbow improves the connection strength and stability between the positioning collar and the third connector. The positioning collar is used to connect the outer ring fire ejector. The third connector can be radially fitted and sealed with the second interface.

[0014] Furthermore, the positioning collar is connected to the first interface through a positioning component. The positioning component includes a positioning sleeve, a fixing post, and a plug rod. The plug rod is fixedly connected to the fixing post and inserted into the positioning sleeve to achieve positioning between the elbow assembly and the first interface. The design of the positioning component helps to ensure that the transition elbow is installed horizontally and improves the assembly accuracy between the elbow assembly and the furnace head seat.

[0015] Furthermore, the end of the third connector is provided with an arc-shaped groove. The arc-shaped groove design facilitates the insertion of the third connector into the second interface, and at the same time helps to fit with the inner wall of the furnace head seat, so that the mixed gas can diffuse rapidly along the cavity.

[0016] Furthermore, a third retaining ring is provided on the side of the transition bend near the third connector. The third retaining ring abuts against the second interface and can play a sealing role to prevent the mixed gas from leaking out.

[0017] Furthermore, the ejector assembly includes a central flame ejector, an outer ring flame ejector, and a damper seat. The central flame ejector is connected to the outer ring flame ejector via a fastener. The air inlet ends of both the central flame ejector and the outer ring flame ejector are connected to the damper seat, and a damper plate is installed on the damper seat. The air outlet ends of the central flame ejector and the outer ring flame ejector are respectively connected to a first connector and a second connector. The first connector matches the first interface, and the second connector matches the positioning sleeve. The central flame ejector and the outer ring flame ejector are relatively long, with good ejection coefficients, suitable for high-load combustion, and will not produce problems such as red flame or yellow flame during long-term operation. The fastener improves the connection stability and reliability between the central flame ejector and the outer ring flame ejector. The damper seat facilitates the installation of the damper plate. The first connector can be inserted into the first interface, and the second connector can be inserted into the positioning sleeve, which helps to improve the connection stability.

[0018] Furthermore, a first retaining ring and a second retaining ring are respectively provided on the side of the central flame ejector tube and the outer ring flame ejector tube near the first connector and the second connector. The first retaining ring abuts against the first interface, and the second retaining ring abuts against the positioning sleeve. The first retaining ring and the second retaining ring can play a sealing role to prevent the leakage of mixed gas.

[0019] Furthermore, the burner head base is provided with a flange, on which a first ear plate and a second ear plate are provided. Both the first ear plate and the second ear plate are provided with mounting holes. The mounting holes on the first ear plate are used to install thermocouples and ignition needles, while the mounting holes on the second ear plate are convenient for installing water pans.

[0020] The manufacturing process of the aforementioned connecting type furnace head is characterized by including the following steps:

[0021] 1) Furnace head base processing and manufacturing

[0022] a. First, the required furnace head base, straight pipe and flange are formed by cold stamping process. The straight pipe is installed vertically in the cavity of the furnace head base.

[0023] b. Then, a first interface and a second interface are formed by stamping along the horizontal direction, so that the first interface is connected to the straight pipe and the second interface is connected to the cavity, and a positioning sleeve is formed along the outer side of the first interface.

[0024] c. Next, the first ear plate and the second ear plate are formed by stamping along the flange, and mounting holes are formed on the first ear plate and the second ear plate respectively.

[0025] 2) Ejector assembly processing and manufacturing

[0026] a. First, the required center ignition tube, outer ring ignition tube, and damper seat are formed by cold stamping process, so that the center ignition tube, outer ring ignition tube, and damper seat are integrally formed. The damper seat is located at the air inlet end of the center ignition tube and the outer ring ignition tube.

[0027] b. Then, a first connector, a second connector, a first retaining ring, and a second retaining ring are formed by stamping along the gas outlet ends of the central fire ejector tube and the outer ring fire ejector tube. The first connector is formed by extending outward from the gas outlet end of the central fire ejector tube, and the first retaining ring is located on the side close to the first connector. The second connector is formed by extending outward from the gas outlet end of the outer ring fire ejector tube, and the second retaining ring is located on the side close to the second connector.

[0028] c. Next, install the fixing parts between the bottom of the central fire ejector tube and the outer ring fire ejector tube, and stamp a fixing groove on the damper seat;

[0029] d. Finally, according to the size of the fixing groove, the required damper plate is stamped and fixedly installed on the damper seat;

[0030] 3) Elbow assembly processing and manufacturing

[0031] a. First, select a round tube, and form a third retaining ring, transition elbow and positioning collar by stamping. Then, bend the transition elbow by bending machine, and put the bent elbow assembly into the conveying mechanism and clamp it.

[0032] b. Then adjust the position of the clamping and positioning mechanism through the control panel on the box, and then put the conveying mechanism in through the feed port on one side of the box. At the same time, start the drive mechanism and drive the conveying mechanism to move along the first guide rail inside the box.

[0033] c. When the conveying mechanism moves to the bottom of the first clamping and positioning mechanism, the sensor on the first clamping and positioning mechanism sends a signal to stop the drive mechanism from working. At the same time, the first clamping and positioning mechanism moves downward to clamp and fix the conveying mechanism on the first guide rail. At this time, the drilling mechanism is started to drill holes in the elbow assembly on the conveying mechanism to form an arc groove on the third joint near the third retaining ring.

[0034] d. After the arc groove is opened, the drilling mechanism is withdrawn, and the first clamping and positioning mechanism is released. The drive mechanism works to transport the conveying mechanism along the first guide rail to the bottom of the second clamping and positioning mechanism. The sensor on the second clamping and positioning mechanism sends a signal to stop the drive mechanism. At the same time, the second clamping and positioning mechanism moves downward to clamp and fix the conveying mechanism. At this time, the cutting mechanism is started to cut the elbow assembly on the conveying mechanism.

[0035] e. Next, remove the cutting mechanism, release the second clamping and positioning mechanism, start the drive mechanism, and make the conveying mechanism output from the discharge port on the other side of the box along the first guide rail.

[0036] f. Finally, install the insert rod and fixing post along one side of the positioning collar on the processed elbow assembly;

[0037] 4) Furnace head assembly

[0038] a. First, the processed furnace head base, ejector tube assembly, and elbow assembly are polished;

[0039] b. Then insert the third connector on the elbow assembly into the second interface on the burner base until the third retaining ring abuts against the end of the second interface and inserts the rod into the positioning sleeve on the side of the first interface.

[0040] c. Next, assemble the processed ejector tube assembly onto the furnace head and elbow assembly, insert the first connector into the first interface until the first retaining ring abuts against the end of the first interface, and insert the second connector into the positioning sleeve until the second retaining ring abuts against the end of the positioning sleeve.

[0041] d. Finally, install the burner along the top of the burner head and fix the entire burner head in place.

[0042] This manufacturing process does not use casting and does not require the burning of fuels such as coal or gas. It adopts cold stamping, which can reduce carbon and dust emissions and is beneficial to environmental protection. The process does not involve screw connections or adhesive bonding, making it suitable for mass production. At the same time, it adopts an integrated central gas outlet, which is suitable for use with different types of burner heads, solving the mold separation problem of existing burner heads using die casting.

[0043] The present invention, by adopting the above-described technical solution, has the following beneficial effects:

[0044] 1. This invention can achieve radial fit sealing of the burner head, improve the stability of the burner head, and make the interior smooth, which greatly improves the performance and service life of the burner head. At the same time, it can reduce the overall weight, reduce energy consumption, reduce heat capacity, cool down quickly, and reduce internal heat transfer during long-term use, which is conducive to improving stability and reliability.

[0045] 2. The straight pipe design allows the mixed gas input from the first interface to be stably delivered to the center burner cap, improving the working stability of the burner. The elbow assembly allows the mixed gas to be input into the cavity through the second interface for supplying gas to the outer ring burner cap.

[0046] 3. The transition elbow improves the connection strength and stability between the positioning collar and the third connector. The positioning collar is used to connect the outer ring fire ejector tube, and the third connector can be sealed with the second interface radially.

[0047] 4. This manufacturing process does not use casting and does not require the burning of coal, gas, or other fuels. It adopts cold stamping, which can reduce carbon and dust emissions and is beneficial to environmental protection. This process does not involve screw connections or adhesive bonding, making it suitable for mass production. At the same time, it adopts an integrated central gas outlet, which is suitable for use with different types of burner heads, solving the mold separation problem of existing burner heads using die casting. Attached image description:

[0048] The present invention will be further described below with reference to the accompanying drawings:

[0049] Figure 1 This is an illustration of the furnace head in the manufacturing process of a connecting furnace head according to the present invention.

[0050] Figure 2 for Figure 1 Schematic diagram of the structure in direction A;

[0051] Figure 3 for Figure 2 Top view;

[0052] Figure 4 for Figure 3 Schematic diagram of the structure in the middle BB direction;

[0053] Figure 5 for Figure 3 Schematic diagram of the structure in the CC direction;

[0054] Figure 6 This is a schematic diagram of the structure of the furnace head seat in this invention;

[0055] Figure 7 This is a schematic diagram of the elbow assembly in this invention;

[0056] Figure 8 This is a schematic diagram of the ejector assembly in this invention;

[0057] Figure 9 This is a rendering of the damper panel in this invention;

[0058] Figure 10 This is a flowchart of the furnace head manufacturing process in this invention;

[0059] Figure 11 This is a rendering of the box body in this invention;

[0060] Figure 12 This is a schematic diagram of the internal structure of the box in this invention;

[0061] Figure 13 for Figure 12 Schematic diagram of the structure in the D direction;

[0062] Figure 14 This is a schematic diagram of the clamping and positioning mechanism in this invention;

[0063] Figure 15 for Figure 14 Schematic diagram of the structure in the E direction;

[0064] Figure 16 This is a schematic diagram of the conveying mechanism in this invention;

[0065] Figure 17 This is a schematic diagram of the cutting mechanism in this invention;

[0066] Figure 18 This is a schematic diagram of the drilling mechanism in this invention.

[0067] In the diagram: 1-furnace head seat; 101-cavity; 102-straight pipe; 103-first interface; 104-first positioning hole; 105-second interface; 106-flange; 107-first ear plate; 108-second ear plate; 109-positioning sleeve;

[0068] 2-Ejector assembly; 201-Center fire ejector; 202-Outer ring fire ejector; 203-Fixed component; 204-Damper seat; 205-Fixing groove; 206-First connector; 207-First retaining ring; 208-Second connector; 209-Second retaining ring;

[0069] 3-Elbow assembly; 301-Transition elbow; 302-Positioning collar; 303-Fixing post; 304-Insertion rod; 305-Third connector; 306-Third retaining ring; 307-Arc groove; 308-Support post; 309-Second positioning hole;

[0070] 4-Damper panel; 401-Fixing hole; 402-Ventilation groove; 403-Matching hole;

[0071] 5-Box body; 6-Control panel; 7-Observation window; 8-Inlet; 9-Outlet; 10-First guide rail; 11-Drive mechanism; 12-Transmission rod; 13-Drive wheel; 14-Auxiliary wheel; 15-Stop bar; 16-Second guide rail; 17-Baffle; 18-Screw; 19-First motor; 20-Clamping and positioning mechanism; 21-Conveying mechanism; 22-Cutting mechanism; 23-Drilling mechanism; 24-Fixing block; 25-Second motor; 26-Drive wheel; 27-Belt; 28-Driven wheel; 29-Moving block; 30-Slot; 31-Threaded hole; 32-First lifting plate; 33-U-shaped frame; 34-Fixing bar; 35-Rear clamping block; 36-First cylinder; 3 7-First piston rod; 38-Sensor; 39-Second cylinder; 40-Moving bar; 41-Front clamping block; 42-Second piston rod; 43-Push rod; 44-Conveying plate; 45-Lower clamp; 46-Upper clamp; 47-Cutting groove; 48-Arc-shaped guide groove; 49-Guide hole; 50-First base plate; 51-Second lifting plate; 52-First guide rod; 53-Third cylinder; 54-Third piston rod; 55-Side plate; 56-Cutting wheel; 57-Third motor; 58-Second base plate; 59-Limiting groove; 60-Loading plate; 61-Third lifting plate; 62-Second guide rod; 63-Fourth cylinder; 64-Fourth piston rod; 65-Fourth motor; 66-Drilling rod. Detailed Implementation

[0072] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0073] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0074] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0075] like Figures 1 to 9 As shown, this invention provides a connecting type of burner head, including a burner head base 1, an ejector tube assembly 2, and an elbow assembly 3. The elbow assembly 3 is connected to the burner head base 1, and the ejector tube assembly 2 connects the elbow assembly 3 and the burner head base 1, achieving a locking between the elbow assembly 3 and the burner head base 1. Through the design of the above structure, radial fit sealing of the burner head can be achieved, improving the stability of the burner head. The internal surface is smooth, greatly improving the performance and service life of the burner head. At the same time, it can reduce the overall weight, reduce energy consumption, reduce heat capacity, and reduce cooling speed. During long-term use, there is less internal heat transfer, which is conducive to improving stability and reliability.

[0076] A flange 106 is provided on the outer side of the burner head base 1 near the opening. The flange 106 has two first ear plates 107 and three second ear plates 108. Both the first ear plates 107 and second ear plates 108 have mounting holes. The mounting holes on the first ear plates 107 are used to install thermocouples and ignition needles, while the mounting holes on the second ear plates 108 facilitate the installation of a water tray. A support column 308 is provided on the outer side of the burner head base 1 for mounting the burner head base 1.

[0077] The elbow assembly 3 includes a transition elbow 301, a third connector 305, and a positioning collar 302. In this application, the transition elbow 301 is preferably bent at 90°. The third connector 305 and the positioning collar 302 are located at both ends of the transition elbow 301. The third connector 305 matches the second interface 105. The positioning collar 302 is used to connect the ejector assembly 2. The transition elbow 301 improves the connection strength and stability between the positioning collar 302 and the third connector 305. The positioning collar 302 is used to connect the outer ring flame ejector 202. The third connector 305 can be radially fitted and sealed with the second interface 105. The end of the third connector 305 is provided with an arc-shaped groove 307. The design of the arc-shaped groove 307 facilitates the insertion of the third connector 305 into the second interface 105 and also facilitates its fit with the inner wall of the burner head seat 1, allowing the mixed gas to diffuse rapidly along the cavity 101.

[0078] The positioning collar 302 is connected to the first interface 103 via a positioning assembly. The positioning assembly includes a positioning sleeve 109, a fixing post 303, and an insertion rod 304. In this application, the positioning sleeve 109 is located on the first interface 103, and the insertion rod 304 is connected to the positioning collar 302 via the fixing post 303. The insertion rod 304 is inserted into the positioning sleeve 109 to achieve positioning between the elbow assembly 3 and the first interface 103. The design of the positioning assembly helps to ensure the horizontal installation of the transition elbow 301 and improves the assembly accuracy between the elbow assembly and the furnace head seat. Alternatively, the positioning sleeve 109 can be connected to the positioning collar 302, and the insertion rod 304 can be connected to the first interface 103 via the fixing post 303.

[0079] A third retaining ring 306 is provided on the transition elbow 301 near the third connector 305. The third retaining ring 306 abuts against the second interface 105 and can play a sealing role to prevent the mixed gas from leaking out. A support column 308 is provided between the transition elbow 301 and the third retaining ring 306 for installation and fixation.

[0080] Ejector assembly 2 includes a central ignition ejector 201, an outer ring ignition ejector 202, and a damper seat 204. The central ignition ejector 201 is connected to the outer ring ignition ejector 202 via a fastener 203. The air inlet ends of both the central ignition ejector 201 and the outer ring ignition ejector 202 are connected to the damper seat 204. A damper plate 4 is installed on the damper seat 204. The air outlet ends of the central ignition ejector 201 and the outer ring ignition ejector 202 are respectively connected to a first connector 206 and a second connector 208. The first connector 206... The first connector 206 is matched with the first interface 103. In this application, the first interface 103 has a first positioning hole 104, and the first connector 206 is limited to the first positioning hole 104. The second connector 208 matches the positioning collar 302, and the positioning collar 302 has a second positioning hole 309, and the second connector 208 is limited to the second positioning hole 309. Alternatively, the first interface can be inserted into the first connector, and the positioning collar can be inserted into the second connector. The specific choice can be made according to the needs. The center flame injector 201 and the outer ring flame injector 202 are relatively long, with a good injection coefficient, suitable for high-load combustion, and will not have problems such as red flame or yellow flame during long-term operation. The fastener 203 improves the connection stability and reliability between the center flame injector 201 and the outer ring flame injector 202. The damper seat 204 facilitates the installation of the damper plate 4. The first connector 206 can be inserted into the first interface 103, and the second connector 208 can be inserted into the positioning collar 302, which helps to improve the connection stability. Two fixing holes 401 are symmetrically provided on the damper plate 4. Ventilation grooves 402 are symmetrically provided on both sides of each fixing hole 401. Matching holes 403 are symmetrically provided between the two fixing holes 401, which facilitates the connection of the damper seat 204 by fastening screws.

[0081] The central ignition ejector 201 and the outer ring ignition ejector 202 are respectively provided with a first retaining ring 207 and a second retaining ring 209 on the side near the first connector 206 and the second connector 208. The first retaining ring 207 abuts against the first interface 103, and the second retaining ring 209 abuts against the positioning collar 302. The first retaining ring 207 and the second retaining ring 209 can play a sealing role to prevent leakage of the mixed gas. The central ignition ejector 201 and the outer ring ignition ejector 202 have a Venturi structure.

[0082] The burner head base 1 has a cavity 101, and an opening at the top of the burner head base 1 connects to the cavity 101. A straight pipe 102 is installed inside the cavity 101, with the top end of the straight pipe 102 extending beyond the opening. A first interface 103 and a second interface 105 are located on the outer side of the burner head base 1, and the first interface 103 and the second interface 105 are distributed at a 90° angle. The first interface 103 connects to the straight pipe 102, and the second interface 105 is used to connect to the elbow assembly 3. Through the design of the straight pipe 102, the mixed gas input from the first interface 103 can be stably delivered to the central burner cap, improving the working stability of the burner. The elbow assembly 3 can input the mixed gas into the cavity 101 through the second interface 105 for supplying gas to the outer ring burner cap.

[0083] For example Figures 10 to 18 The diagram illustrates a manufacturing process for a connecting burner head according to the present invention, comprising the following steps:

[0084] 1) Manufacturing of furnace head base 1

[0085] a. First, the required burner head seat 1, straight pipe 102 and flange 106 are formed by cold stamping process. The straight pipe 102 is vertically installed in the cavity 101 of the burner head seat 1, and the top of the burner head seat 1 forms an opening that connects to the cavity 101.

[0086] b. Then, a first interface 103 and a second interface 105 are formed by stamping along the horizontal direction. A 90° angle is formed between the first interface 103 and the second interface 105, so that the first interface 103 is connected to the straight pipe 102 and the second interface 105 is connected to the cavity 101. A positioning sleeve 109 is formed along the outer side of the first interface 103.

[0087] c. Next, a first ear plate 107 and a second ear plate 108 are formed by stamping along the flange 106. Mounting holes are formed on the first ear plate 107 and the second ear plate 108, respectively.

[0088] 2) Fabrication of ejector assembly 2

[0089] a. First, the required center ignition tube 201, outer ring ignition tube 202 and damper seat 204 are formed by cold stamping process, so that the center ignition tube 201, outer ring ignition tube 202 and damper seat 204 are integrally formed, and the damper seat 204 is located at the air inlet end of the center ignition tube 201 and outer ring ignition tube 202.

[0090] b. Then, a first connector 206, a second connector 208, a first retaining ring 207, and a second retaining ring 209 are formed by stamping along the gas outlet ends of the central fire ejector tube 201 and the outer ring fire ejector tube 202. The first connector 206 is formed by extending outward from the gas outlet end of the central fire ejector tube 201, and the first retaining ring 207 is located on the side close to the first connector 206. The second connector 208 is formed by extending outward from the gas outlet end of the outer ring fire ejector tube 202, and the second retaining ring 209 is located on the side close to the second connector 208.

[0091] c. Next, install the fixing part 203 between the bottom of the central fire ejector tube 201 and the outer ring fire ejector tube 202, and punch a fixing groove 205 on the damper seat 204.

[0092] d. Finally, according to the dimensions of the fixing groove 205, the required damper plate 4 is stamped and fixedly installed on the damper seat 204.

[0093] 3) Elbow assembly 3 processing and manufacturing

[0094] a. First, select a round tube and form a third retaining ring 306, a transition elbow 301 and a positioning collar 302 by stamping. Then, bend the transition elbow 301 to form a 90° angle by a bending machine. Place the bent elbow assembly 3 into the conveying mechanism 21 and clamp it in place.

[0095] The conveying mechanism 21 specifically includes a conveying plate 44, a lower clamp 45, and an upper clamp 46. The upper clamp 46 and the lower clamp 45 are connected to the conveying plate 44 by fastening bolts. The conveying plate 44 is provided with a cutting groove 47 and a through hole 49. The upper clamp 46 and the lower clamp 45 are provided with an arc-shaped guide groove 48, which fits into the through hole 49. The upper clamp 46 and the lower clamp 45 are provided with cavities for placing the elbow assembly 3. The upper clamp 46 and the lower clamp 45 are provided with through grooves, which are located in the same vertical plane as the cutting groove 47, facilitating the cutting of the elbow assembly 3. During cutting, the third connector 305 is close to the arc-shaped guide groove 48, and the positioning sleeve 109 is close to the through groove. The upper clamp 46 and the lower clamp 45 can clamp and fix the elbow assembly 3, which is beneficial for the precise cutting of the elbow assembly 3.

[0096] b. Then, adjust the position of the clamping and positioning mechanism 20 through the control panel 6 on the box 5, and then put the conveying mechanism 21 in through the feed port 8 on one side of the box 5. At the same time, start the drive mechanism 11, and drive the conveying mechanism 21 to move along the first guide rail 10 inside the box 5. The box 5 is provided with an observation window 7, which makes it easy for the operator to see the internal processing status intuitively.

[0097] The clamping and positioning mechanism 20 is connected to the housing 5 via the second guide rail 16. A baffle 17 and a first motor 19 are provided on the inner wall of the housing 5. The first motor 19 is connected to the baffle 17 via a screw 18 passing through the clamping and positioning mechanism 20. The screw 18 has two threaded sections with opposite rotation directions. In actual use, the first motor 19 first drives the screw 18 to rotate, moving the two clamping and positioning mechanisms 20 to the required positions, and then the drilling mechanism 23 and the cutting mechanism 22 are installed.

[0098] The clamping and positioning mechanism 20 specifically includes a movable block 29, a first lifting plate 32, a U-shaped frame 33, a fixing strip 34, and a moving strip 40. The movable block 29 has symmetrically arranged slots 30 that match the second guide rail 16. The movable block 29 also has threaded holes 31 that match the screw 18. Two first cylinders 36 are located at the bottom of the movable block 29. The first cylinders 36 are connected to the first lifting plate 32 via first piston rods 37. U-shaped frames 33 are symmetrically arranged on both sides of the first lifting plate 32. The two sides of the two U-shaped frames 33 are connected by fixing strips 34. One fixing strip 34 has a rear clamping block 35, and the other fixing strip 34 has symmetrically arranged second cylinders 39. The second cylinders 39 are connected to push rods 43 via second piston rods 42. A moving strip 40 is located between the two push rods 43, and a front clamping block 41 is located on the moving strip 40. A sensor 38 is located on the bottom surface of the first lifting plate 32. The first cylinder 36 can drive the first lifting plate 32 to move up and down via the first piston rod 37. In turn, the U-shaped frame 33 can drive the fixed bar 34 and the moving bar 40 to move up and down. The fixed bar 34 can press the conveying mechanism 21. The second cylinder 39 can drive the moving bar 40 to move via the push rod 43, and make the front clamping block 41 and the rear clamping block 35 cooperate to clamp and position the conveying mechanism 21, thereby improving the processing accuracy and quality of the elbow assembly 3.

[0099] The drive mechanism 11 specifically includes a second motor 25, a driving wheel 26, a driven wheel 28, a belt 27, a drive wheel 13, and an auxiliary wheel 14. The second motor 25 is connected to the bottom of the housing 5 via a fixing block 24. The output shaft of the second motor 25 is connected to the driving wheel 26. Drive wheels 13 are evenly arranged on the top surface of the first guide rail 10. Two opposite drive wheels 13 are connected by a transmission rod 12. The end of the transmission rod 12 is provided with a driven wheel 28, which is connected to the driving wheel 26 via a belt 27. An auxiliary wheel 14 is provided on the first guide rail 10, and the auxiliary wheel 14 is evenly arranged between two adjacent drive wheels 13 on the same side. The second motor 25 drives the driving wheel 26 to rotate, which in turn drives the driven wheel 28 to rotate via the belt 27. This causes the transmission rod 12 to drive the drive wheels 13 on both sides to rotate synchronously, thereby realizing the conveying of the conveying mechanism 21. The auxiliary wheel 14 is used to support the conveying mechanism 21 and improve the stability and reliability of the movement of the conveying mechanism 21.

[0100] A stop bar 15 is provided on the outer side of the first guide rail 10 for limiting the conveying mechanism 21.

[0101] c. When the conveying mechanism 21 moves to below the first clamping and positioning mechanism 20, the sensor 38 on the first clamping and positioning mechanism 20 sends a signal to stop the drive mechanism 11 from working. At the same time, the first clamping and positioning mechanism 20 moves downward to clamp and fix the conveying mechanism 21 on the first guide rail 10. At this time, the drilling mechanism 23 is started to drill the elbow assembly 3 on the conveying mechanism 21 to form an arc groove 307 on the third joint 305 near the third retaining ring 306.

[0102] The drilling mechanism 23 specifically includes a second base plate 58, a loading plate 60, a third lifting plate 61, a fourth motor 65, and a drilling rod 66. The second base plate 58 is located at the bottom of the housing 5, and a limiting groove 59 is provided on the top surface of the second base plate 58. A synchronous motor is provided inside the second base, and the synchronous motor is connected to a rotating rod. The loading plate 60 is located on the top surface of the second base plate 58, and the loading plate 60 is connected to the rotating rod through a push rod. The rotating rod has external threads. A fourth cylinder 63 and a second guide rod 62 are provided on the top surface of the loading plate 60. The fourth cylinder 63 is connected to the third lifting plate 61 through a fourth piston rod 64. The third lifting plate 61 is movably connected to the second guide rod 62. The fourth motor 65 is located on the third lifting plate 61, and the drilling rod 66 is connected to the output shaft of the fourth motor 65. The third lifting plate 61 is moved by the fourth cylinder 63 through the fourth piston rod 64, thereby adjusting the height of the drilling rod 66. The fourth motor 65 is used to drive the drilling rod 66 to rotate.

[0103] d. After the arc groove 307 is opened, the drilling mechanism 23 is withdrawn, and the first clamping and positioning mechanism 20 is released. The drive mechanism 11 works to transport the conveying mechanism 21 along the first guide rail 10 to the bottom of the second clamping and positioning mechanism 20. The sensor 38 on the second clamping and positioning mechanism 20 sends a signal to stop the drive mechanism 11. At the same time, the second clamping and positioning mechanism 20 moves downward to clamp and fix the conveying mechanism 21. At this time, the cutting mechanism 22 is started to cut the elbow assembly 3 on the conveying mechanism 21.

[0104] The cutting mechanism 22 specifically includes a first base plate 50 and a second lifting plate 51. The first base plate 50 is located at the bottom of the housing 5. A third cylinder 53 and a first guide rod 52 are provided on the top surface of the first base plate 50. The third cylinder 53 is connected to the second lifting plate 51 through a third piston rod 54, which is used to drive the second lifting plate 51 to move up and down. The second lifting plate 51 is movably connected to the first guide rod 52. Side plates 55 are symmetrically provided on the top surface of the second lifting plate 51. A cutting wheel 56 is rotatably connected between the two side plates 55. A third motor 57 is provided on the side of the second lifting plate 51. The third motor 57 is connected to the rotating shaft on the cutting wheel 56 through a gear set.

[0105] e. Next, remove the cutting mechanism 22, release the second clamping and positioning mechanism 20, start the drive mechanism 11, and make the conveying mechanism 21 output from the discharge port 9 on the other side of the box 5 along the first guide rail 10.

[0106] f. Finally, install the insert rod 304 and the fixing post 303 along one side of the positioning collar 302 on the processed elbow assembly 3.

[0107] 4) Furnace head assembly

[0108] a. First, the processed furnace head base 1, ejector tube assembly 2 and elbow assembly 3 are polished;

[0109] b. Then insert the third connector 305 on the elbow assembly 3 into the second interface 105 on the burner base until the third retaining ring 306 abuts against the end of the second interface 105, and insert the rod 304 into the positioning sleeve 109 on the side of the first interface 103.

[0110] c. Next, assemble the processed ejector tube assembly 2 onto the furnace head seat 1 and the elbow assembly 3, so that the first connector 206 is inserted into the first interface 103 until the first retaining ring 207 abuts against the end of the first interface 103, and the second connector 208 is inserted into the positioning collar 302 until the second retaining ring 209 abuts against the end of the positioning collar 302.

[0111] d. Finally, install the burner along the top of the burner head base 1 and fix the entire burner head in place.

[0112] This manufacturing process does not use casting and does not require the burning of fuels such as coal or gas. It adopts cold stamping, which can reduce carbon and dust emissions and is beneficial to environmental protection. The process does not involve screw connections or adhesive bonding, making it suitable for mass production. At the same time, it adopts an integrated central gas outlet, which is suitable for use with different types of burner heads, solving the mold separation problem of existing burner heads using die casting.

[0113] The above are merely specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on the present invention to achieve substantially the same technical effect are all covered within the protection scope of the present invention.

Claims

1. A connecting burner head, comprising: One stove base; And an ejector assembly; Its features are: It also includes an elbow assembly connected to the burner head seat, and an ejector tube assembly connecting the elbow assembly and the burner head seat to achieve locking between the elbow assembly and the burner head seat. The burner head seat has a cavity containing a straight pipe, and a first interface and a second interface on the outer side of the burner head seat. The first interface communicates with the straight pipe, and the second interface is used to connect the elbow assembly. The elbow assembly includes a transition elbow, a third connector, and a positioning collar. The third connector and the positioning collar are located at both ends of the transition elbow. The third connector matches the second interface, and the positioning collar is used to connect the ejector tube assembly. The positioning collar is connected to the first interface through a positioning assembly, which includes a positioning sleeve, a fixing post, and a insertion rod. The insertion rod is fixedly connected to the fixing post and inserted into the positioning sleeve to achieve positioning between the elbow assembly and the first interface.

2. The connecting type burner head according to claim 1, characterized in that: The end of the third connector is provided with an arc-shaped groove.

3. The connecting type burner head according to claim 1, characterized in that: A third retaining ring is provided on the side of the transition elbow near the third connector, and the third retaining ring abuts against the second interface.

4. A connecting type burner head according to claim 1, characterized in that: The ejector assembly includes a central ignition ejector, an outer ring ignition ejector, and a damper seat. The central ignition ejector is connected to the outer ring ignition ejector via a fastener. The air inlet ends of both the central ignition ejector and the outer ring ignition ejector are connected to the damper seat. A damper plate is installed on the damper seat. The air outlet ends of the central ignition ejector and the outer ring ignition ejector are respectively connected to a first connector and a second connector. The first connector matches the first interface, and the second connector matches the positioning collar.

5. A connecting type burner head according to claim 4, characterized in that: The central fire ejector tube and the outer ring fire ejector tube are respectively provided with a first retaining ring and a second retaining ring on the side near the first connector and the second connector. The first retaining ring abuts against the first interface, and the second retaining ring abuts against the positioning collar.

6. A connecting type burner head according to claim 1, characterized in that: The burner head seat is provided with a flange, and the flange is provided with a first ear plate and a second ear plate, both of which are provided with mounting holes.

7. The manufacturing process of a connecting type furnace head as described in any one of claims 1 to 6, characterized in that... Includes the following steps: 1) Furnace head base processing and manufacturing a. First, the required furnace head base, straight pipe and flange are formed by cold stamping process. The straight pipe is installed vertically in the cavity of the furnace head base. b. Then, a first interface and a second interface are formed by stamping along the horizontal direction, so that the first interface is connected to the straight pipe and the second interface is connected to the cavity, and a positioning sleeve is formed along the outer side of the first interface. c. Next, the first ear plate and the second ear plate are formed by stamping along the flange, and mounting holes are formed on the first ear plate and the second ear plate respectively. 2) Ejector assembly processing and manufacturing a. First, the required center ignition tube, outer ring ignition tube, and damper seat are formed by cold stamping process, so that the center ignition tube, outer ring ignition tube, and damper seat are integrally formed. The damper seat is located at the air inlet end of the center ignition tube and the outer ring ignition tube. b. Then, a first connector, a second connector, a first retaining ring, and a second retaining ring are formed by stamping along the gas outlet ends of the central fire ejector tube and the outer ring fire ejector tube. The first connector is formed by extending outward from the gas outlet end of the central fire ejector tube, and the first retaining ring is located on the side close to the first connector. The second connector is formed by extending outward from the gas outlet end of the outer ring fire ejector tube, and the second retaining ring is located on the side close to the second connector. c. Next, install the fixing parts between the bottom of the central fire ejector tube and the outer ring fire ejector tube, and stamp a fixing groove on the damper seat; d. Finally, according to the size of the fixing groove, the required damper plate is stamped and fixedly installed on the damper seat; 3) Elbow component processing and manufacturing a. First, select a round tube, and form a third retaining ring, transition elbow and positioning collar by stamping. Then, bend the transition elbow by bending machine, and put the bent elbow assembly into the conveying mechanism and clamp it. b. Then adjust the position of the clamping and positioning mechanism through the control panel on the box, and then put the conveying mechanism in through the feed port on one side of the box. At the same time, start the drive mechanism and drive the conveying mechanism to move along the first guide rail inside the box. c. When the conveying mechanism moves to the bottom of the first clamping and positioning mechanism, the sensor on the first clamping and positioning mechanism sends a signal to stop the drive mechanism from working. At the same time, the first clamping and positioning mechanism moves downward to clamp and fix the conveying mechanism on the first guide rail. At this time, the drilling mechanism is started to drill holes in the elbow assembly on the conveying mechanism to form an arc groove on the third joint near the third retaining ring. d. After the arc groove is opened, the drilling mechanism is withdrawn, and the first clamping and positioning mechanism is released. The drive mechanism works to transport the conveying mechanism along the first guide rail to the bottom of the second clamping and positioning mechanism. The sensor on the second clamping and positioning mechanism sends a signal to stop the drive mechanism. At the same time, the second clamping and positioning mechanism moves downward to clamp and fix the conveying mechanism. At this time, the cutting mechanism is started to cut the elbow assembly on the conveying mechanism. e. Next, remove the cutting mechanism, release the second clamping and positioning mechanism, start the drive mechanism, and make the conveying mechanism output from the discharge port on the other side of the box along the first guide rail. f. Finally, install the insert rod and fixing post along one side of the positioning collar on the processed elbow assembly; 4) Burner head assembly a. First, the processed furnace head base, ejector tube assembly, and elbow assembly are polished; b. Then insert the third connector on the elbow assembly into the second interface on the burner base until the third retaining ring abuts against the end of the second interface and inserts the rod into the positioning sleeve on the side of the first interface. c. Next, assemble the processed ejector tube assembly onto the furnace head and elbow assembly, insert the first connector into the first interface until the first retaining ring abuts against the end of the first interface, and insert the second connector into the positioning sleeve until the second retaining ring abuts against the end of the positioning sleeve. d. Finally, install the burner along the top of the burner head and fix the entire burner head in place.

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