CN217492655U - Flame dispersion type mould baking device - Google Patents
Flame dispersion type mould baking device Download PDFInfo
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- CN217492655U CN217492655U CN202221231316.8U CN202221231316U CN217492655U CN 217492655 U CN217492655 U CN 217492655U CN 202221231316 U CN202221231316 U CN 202221231316U CN 217492655 U CN217492655 U CN 217492655U
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- flame
- spray gun
- main body
- gun main
- connecting rod
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Abstract
The utility model relates to a flame dispersion type mould baking device, which comprises a heat flow protective cover, a spray gun main body, a gas connecting rod and a gas joint; the heat flow protective cover is arranged at the upper end of the spray gun main body and used for shielding the middle core column when in use; the side part of the upper end of the spray gun main body is provided with a plurality of spray holes, and flame is sprayed out of the spray holes; the lower end of the lance body is open so that the flame is emitted from the lower end. The upper cover plate seals the upper end of the spray gun main body; one end of the gas connecting rod is connected with the spray gun main body; the gas joint is arranged at the other end of the gas connecting rod. The utility model discloses a set of thermal current protection casing changes the injection flow direction of flame from the spray gun jet, and the position of stem forms local neutral gear in the middle of the mould die joint, has avoided the direct contact of flame to middle stem to the deformation that consequently the middle core caused has been eliminated. The product rejection rate is reduced, and the production efficiency is improved.
Description
Technical Field
The utility model relates to a scattered roast mould ware of flame belongs to casting die utensil equipment technical field.
Background
In the production of casting molds, the temperature of the mold is required to be firstly increased to ensure the normal molding of aluminum water in a mold cavity. In low-pressure casting, the die can be rapidly heated only in a mode of heating the die parting surface by an external flame spray gun so as to ensure the die temperature during the initial production. Due to product characteristics, part of the mold has inserts in the parting plane that are elongated and protrude from the mold parting plane, which we refer to as the center core pin. Because the existing spray gun is used for spraying fire at the upper end and the lower end, flame directly contacts the middle core column, and the middle core column is often influenced by the flame to deform and bend, so that the size deviation of a product is caused, and the product is scrapped.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a flame dispersion formula roast mould ware, solve current spray gun and be upper and lower both ends flame spraying, stem in the middle of the flame direct contact, the crooked problem of deformation takes place for middle stem.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model relates to a flame dispersion formula roast mould ware, including thermal current protection casing, spray gun main part, gas connecting rod and gas head. The heat flow protective cover is arranged at the upper end of the spray gun main body and used for shielding the middle core column when in use, so that direct contact of flame to the middle core column is avoided; the side part of the upper end of the spray gun main body is provided with a plurality of spray holes, and flame is sprayed out of the spray holes; the lower end of the lance body is open so that the flame is emitted from the lower end. The upper cover plate seals the upper end of the spray gun main body, so that flame is prevented from being sprayed out of the upper end of the spray gun main body; one end of the gas connecting rod is connected with the spray gun main body; the gas joint is arranged at the other end of the gas connecting rod. The utility model discloses a set of thermal current protection casing changes the injection flow direction of flame from the spray gun jet, and the position of stem forms local neutral gear in the middle of the mould die joint, has avoided the direct contact of flame to middle stem to the deformation that the core consequently caused in the middle of having eliminated. The product rejection rate is reduced, and the production efficiency is improved.
In order to adapt to the middle core columns with different sizes, the heat flow protective cover is in a horn mouth shape.
The spray gun main body is cylindrical, and the spray gun main body is simple in structure, low in cost and convenient to process.
The gas connecting rod is connected in the middle of the spray gun main body, so that gas can be conveyed to the upper end and the lower end of the gas connecting rod conveniently and uniformly.
Further, the heat flow protective cover is made of heat insulation materials.
In order to enable the flame spraying angle to be more inclined to the mould upper mould, the spray gun main body is conical, and the diameter of the spray gun main body is gradually reduced from bottom to top.
Compared with the prior art, the utility model, have following advantage:
the utility model discloses a thermal current protection casing carries out the water conservancy diversion to flame to avoided the direct contact of flame to middle stem, eliminated the deformation that middle core consequently caused. The product rejection rate is reduced, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram in an embodiment of the present invention.
Fig. 2 is a front view of the present invention.
Reference numerals: 101-upper die, 102-middle core column, 103-lower die, 201-heat flow shield, 202-spray gun main body, 203-upper cover plate, 204-gas connecting rod, 205-gas joint and 2021-spray hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, the present invention can be applied to heating a low-pressure mold, which includes an upper mold 101, a middle stem 102 and a lower mold 103. The upper die 101 is arranged on the upper side, the middle core column 102 is positioned on the parting surface of the upper die 101, the middle core column 102 is an elongated insert protruding out of the parting surface of the upper die, and the lower die 103 is arranged below the upper die 101 and is opposite to the upper die. Because the existing spray gun is used for spraying fire at the upper end and the lower end, flame directly contacts the middle core column 102, and the middle core column 102 is affected by the flame and is deformed and bent frequently, so that the size deviation of a product is caused, and the product is scrapped.
In order to solve the above problem, an embodiment of the present invention provides a flame dispersion type mold baking device, which includes a heat flow protective cover 201, a spray gun main body 202, a gas connecting rod 204 and a gas joint 205. The heat flow shield 201 is arranged at the upper end of the spray gun main body 202 and used for shielding the middle core column 102 when in use, so that direct contact of flame to the middle core column 102 is avoided; a plurality of jet holes 2021 are formed in the side portion of the upper end of the spray gun main body 202, and flame is jetted from the jet holes 2021; the lower end of the lance body 202 is open so that the flame is emitted from the lower end. The upper cover plate 203 closes the upper end of the torch body 202, thereby preventing flames from being emitted from the upper end of the torch body 202; one end of the gas connecting rod 204 is connected with the spray gun main body 202; the air joint 205 is installed at the other end of the air connection rod 204.
The utility model discloses an effect is through a set of thermal current protection casing 201, changes the injection flow direction of flame from the spray gun jet, and the position of stem 102 forms local neutral gear in the middle of the mould die joint, has avoided the direct contact of flame to middle stem to eliminated the deformation that middle stem 102 consequently caused, reduced the product disability rate, improved production efficiency.
When the heat flow protective cover is used, the heat flow protective cover 201 is opposite to the middle core column 102, and the upper end face of the spray gun main body 202 is mutually welded and fixed with the heat flow protective cover 201 through the upper cover plate 203.
The gas is ignited after entering the spray gun main body 202 through the gas connecting rod 204, and at this time, the flame is sprayed out from the spraying hole 2021 and the lower end on the side part of the upper end of the spray gun main body 202, and meanwhile, the flame on the upper end avoids the middle core column 102 through the flow guiding effect of the heat flow protective cover 201, so that the heating work of the mold is completed.
In order to accommodate different sizes of the central stem 102, the heat flux shield 201 is flared.
The spray gun main body 202 is cylindrical, and the cylindrical spray gun main body 202 is simple in structure, low in cost and convenient to machine.
The gas connecting rod 204 is connected to the middle of the spray gun main body 202, so that gas can be conveniently conveyed to the upper end and the lower end of the gas connecting rod 204, and the gas can be uniformly conveyed.
The heat flow protective cover 201 adopts heat insulation materials to better protect the middle core column 102.
In another preferred embodiment, in order to make the flame injection angle more biased toward the upper mold 101, the lance main body 202 is conical, and the diameter of the lance main body 202 gradually decreases from bottom to top.
Claims (6)
1. A flame dispersion grill, comprising:
a heat flux shield (201), the heat flux shield (201) being disposed at an upper end of the lance body (202) to shield the middle stem (102);
the flame spraying device comprises a spray gun main body (202), wherein a plurality of spraying holes (2021) for spraying flame are formed in the side part of the upper end of the spray gun main body (202), and the lower end of the spray gun main body (202) is opened so that the flame can be sprayed out from the lower end at the same time;
an upper cover plate (203), wherein the upper cover plate (203) closes the upper end of the spray gun main body (202);
one end of the gas connecting rod (204) is connected with the spray gun main body (202), and the gas connecting rod (204) is communicated with the spray gun main body (202);
and the air joint (205) is arranged at the other end of the air connecting rod (204).
2. The flame dispersion grill of claim 1, wherein the heat flux shield (201) is flared.
3. The flame dispersal grill of claim 1, wherein the lance body (202) is cylindrical.
4. The flame dispersion grill of claim 1, wherein the gas connecting rod (204) is connected to a middle portion of the lance body (202).
5. The flame dispersion grill of claim 1, wherein the heat flow shield (201) is made of a heat insulating material.
6. The flame dispersion type grill of claim 1, wherein the grill body (202) has a conical shape, and the diameter of the grill body (202) is gradually reduced from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221231316.8U CN217492655U (en) | 2022-05-19 | 2022-05-19 | Flame dispersion type mould baking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221231316.8U CN217492655U (en) | 2022-05-19 | 2022-05-19 | Flame dispersion type mould baking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217492655U true CN217492655U (en) | 2022-09-27 |
Family
ID=83353256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221231316.8U Active CN217492655U (en) | 2022-05-19 | 2022-05-19 | Flame dispersion type mould baking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217492655U (en) |
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2022
- 2022-05-19 CN CN202221231316.8U patent/CN217492655U/en active Active
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