JP3277149B2 - Manufacturing method of stove burner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a stove burner used for a gas table or the like.

[0002]

2. Description of the Related Art A stove burner used for a gas table or the like is provided with a burner head having an annular mixing chamber and a burner head having a large number of flame openings formed in a radial manner. It has a structure in which a flame outlet is provided, and a sleeve flame is formed at the lower part of the main flame to increase the drawing performance by increasing the load, for example, a malfunction at the time of simmering fire operation, blowout due to sudden operation At the same time, the improvement of the fire transfer performance at the time of ignition, the prevention of lift, etc. are also aimed at.

[0003] In view of the above, there is already known a conventional stove burner in which a sleeve flame opening for forming a sleeve flame independent of a main flame is provided at a joint between a burner main body and a burner head (for example, a real burner). See JP-A-58-71520).

[0004]

However, in the above-mentioned conventional stove burner, the formation of the main flame port and the formation of the sleeve flame port with respect to the burner head are structurally complicated. There is a problem that the production requires a lot of labor and a high level of technology, and the cost is remarkably high.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and in particular, to provide a method of manufacturing a burner burner in which a main flame port and a sleeve flame port for a burner head can be easily manufactured and inexpensively.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a method for manufacturing a stove burner according to the present invention comprises a burner body having a ring-shaped mixing chamber. In the burner head, in which a large number of main flame ports are provided and arranged on the peripheral edge, the burner head has a large number of flame port grooves formed closer to the center than the peripheral edge of the head main body, and the outer peripheral edge of the flame port groove. It has an annular meat portion forming a main flame port and an annular ridge for a sleeve flame port, and has a columnar convex part forming an umbrella part through a vent at the center upper part of the head main body, A first step of producing an unfinished burner head body having a concave hole for forming a next air hole; and a flame port leaving a series of annular ridges at a lower portion of the annular meat part of the unfinished burner head body. The main flame opening leading to the groove is formed by cutting, and the umbrella part is It is summarized as that made by the second step of cutting forms a vent leading to the recessed hole, leaving the number of the support legs.

[0007] In the method for manufacturing a burner burner of the present invention having the above-described structure, the unfinished burner head body formed in the first step is integrally formed, for example, by forging, and is closer to the center than the peripheral edge of the main body of the head. A large number of radial flame slots, an annular meat portion formed on the outer periphery of the flame groove and an annular ridge for a sleeve flame port, and an upper central portion of the head main body. It has a columnar convex portion for forming an umbrella portion through the formed vent, and a concave hole for forming a secondary air hole drilled at the center of the main body of the head.

Next, in the second step, the annular portion formed on the outer peripheral edge of the unfinished burner head body is cut into a flame opening groove by, for example, cutting with a lathe, leaving a series of annular ridges at the bottom. While cutting and forming the main flame opening,
The columnar convex part formed in the upper center of the burner head body is also cut by a lathe, leaving the upper umbrella part and its supporting legs, and cutting the ventilation hole leading to the recessed hole to complete the burner head finished product Is completed.

As a result, for example, the annular wall portion and the columnar convex portion of the unfinished burner head made by forging are
For example, the desired burner head can be manufactured only by cutting with a lathe, so that the manufacture is easy and uniform mass production is possible, and the cost can be significantly reduced.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION In order to further clarify the structure and operation of the present invention described below, an example of a preferred embodiment of a method for manufacturing a cooking stove of the present invention will be described below with reference to the drawings. I do.

In the burner head B, in the first step, a large number of flame slots 2 are formed radially on the lower surface closer to the center than the periphery of the disk-shaped head main body 16, and the main flame is formed on the outer periphery of the flame mouth grooves 2. An annular flesh portion 6 for forming an annular ridge 4 forming a sleeve flame port 5 with the mouth 3 and a burner main body A described later is provided. 1 has a short columnar convex portion 17 for forming the portion 14, and a concave hole 1 for forming a secondary air hole 18 in the center.
The unfinished burner head body 9 provided with the nozzle 9 is integrally formed, for example, by forging (see FIGS. 1 and 2).

Next, in the second step, the annular portion 6 formed on the outer peripheral edge of the flame opening groove 2 of the unfinished burner head body D made in the first step is cut, for example, by a lathe. Only a portion 6a of the main flame port 3 is cut and removed to a predetermined depth e while leaving a series of annular ridges 4 at the lower portion to form the main flame port 3 communicating with the flame port groove 2. Then, a series of main flame ports 3 and a series of annular ridges 4 for forming sleeve flame ports 5 are formed. The columnar convex portion 17 in the upper center of the head main body 16 is also cut by a lathe, for example, to cut only the portion 13a of the vent 13 to a certain depth f while leaving the upper umbrella portion 14 and its support leg 20. The vent 13 is removed to communicate with the recess 19 at the center, and the umbrella 14 for preventing inflow of juice and the vent 13 communicating with the central secondary air hole 18 are formed at the upper center of the head main body 16. . The support leg 20 is formed so as to protrude inward in advance by the thickness of the portion 13a to be cut and removed (see FIG. 2).

As described above, an unfinished burner head body D having a main flame port 3, an annular ridge 4 and a ventilation port 13 is formed by only forging an unfinished burner head body D by forging and cutting with a lathe. (See FIGS. 3 and 6).

The burner main body A is cast and molded, the mixing pipe 7 is integrally connected to the annular mixing chamber 1, and the above-mentioned projection 12 forming the flame opening groove 2 of the burner head B is placed on the upper opening. A flame opening forming portion 9 which forms a sleeve flame opening 5 by a bearing portion 8 and the annular ridge 4 of the burner head B is provided with a step, and the secondary air of the burner head B is provided at a central portion. Connection tube 11 into which support tube 10 forming hole 18 can be inserted and supported
Which are integrally formed.

In the above configuration, when the ridge 12 forming the flame opening groove 2 of the burner head B is placed on the support portion 8 of the burner body A and the burner head B is placed on the burner body A,
A main flame port 3 communicating with a large number of flame port grooves 2 of the burner head B is formed, and also communicates with the flame port groove 2 between the annular ridge 4 of the burner head B and the flame port forming portion 9 of the burner body A. A belt-shaped sleeve flame port 5 is formed independently of the upper main flame port 3 (see FIGS. 5 and 7).

Therefore, the annular mixing chamber 1 of the burner body A
The mixed gas sent to the series of main flame ports 3 through each flame port groove 2 burns in the main flame port 3 to form a main flame a, and from the annular mixing chamber 1 through each flame port groove 2. The mixed gas sent to the belt-shaped sleeve flame port 5 burns in the sleeve flame port 5 and forms a corona-shaped sleeve flame b below the main flame a to perform the flame holding function of the main flame a.

Although an example of the embodiment of the present invention has been described above, the present invention is not limited to the embodiment and can be implemented in various forms without departing from the gist of the present invention. Of course.

[0018]

According to the above-described method for manufacturing the burner burner of the present invention, the annular ridge and the vent for the main flame port and the sleeve flame port can be formed by simply cutting the unfinished burner head body. Since the desired burner head can be formed and manufactured, its manufacture is easy, and the cost can be significantly reduced as compared with the conventional one, in addition to the fact that uniform product mass production is possible.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of an unfinished burner head made in a first step in a method for manufacturing a cooking burner according to the present invention.

FIG. 2 is a plan view cut along line XX of FIG. 1;

FIG. 3 is a cross-sectional view showing a cutting state of a burner head body in a second step.

FIG. 4 is a partially cutaway elevation view of the completed burner head.

FIG. 5 is a front view of only a main part of an assembled state in which a burner head is mounted on a burner main body.

FIG. 6 is a sectional view showing a burner main body and a burner head separately.

FIG. 7 is an overall sectional view of an assembled state in which a burner head is mounted on a burner main body.

[Explanation of symbols]

 Reference Signs List A burner body B burner head 1 annular mixing chamber 2 flame slot 3 main flame 4 annular ridge 5 sleeve flame 6 annular meat portion 13 vent 14 umbrella 17 columnar projection 18 secondary air hole 19 concave hole D Burner head body 20 Support leg

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) F23D 14/74 F23D 14/06

Claims (1)

(57) [Claims] A burner head having a plurality of flame ports provided radially on a burner main body having an annular mixing chamber, and a burner head having a plurality of main flame ports disposed on a peripheral edge thereof. The burner head has an annular flesh portion in which a number of flame slots are formed closer to the center than the peripheral edge of the head main body, and an outer peripheral edge of the flame aperture groove forms a main flame port and an annular ridge for a sleeve flame port. Prepared,
At the center upper part of the head main body, there is a columnar convex part forming an umbrella part through a vent, and a non-finished burner head body with a concave hole forming a secondary air hole at the center part is produced. 1 step, while forming a main flame port passing through the flame port groove by cutting a series of annular ridges at the lower part of the annular meat portion of the unfinished burner head body, and forming an umbrella section on the columnar convex section. And a second step of cutting and forming a ventilation hole communicating with the recessed hole while leaving a plurality of support legs.