CN216680143U - Preheating device for engine cylinder block die - Google Patents
Preheating device for engine cylinder block die Download PDFInfo
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- CN216680143U CN216680143U CN202123364485.7U CN202123364485U CN216680143U CN 216680143 U CN216680143 U CN 216680143U CN 202123364485 U CN202123364485 U CN 202123364485U CN 216680143 U CN216680143 U CN 216680143U
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Abstract
The utility model discloses an engine cylinder body mold preheating device, which comprises an upper layer burning gun structure used for preheating the upper surface of a mold and a lower layer burning gun structure used for preheating the lower surface of the mold, wherein the upper layer burning gun structure comprises an upper main pipeline used for air supply and two upper layer O-shaped pipelines; the upper main pipeline is respectively connected with an upper layer of O-shaped pipeline, a small nozzle which is vertically upward is arranged on the upper layer of O-shaped pipeline, a small nozzle which sprays in the horizontal direction is arranged on the outer side surface of the upper layer of O-shaped pipeline, and a small nozzle which inclines to the position between the two upper layer of O-shaped pipelines is also arranged on the upper layer of O-shaped pipeline; the lower layer lance burning structure comprises a lower main pipeline and two lower layer O-shaped pipelines, wherein the lower layer O-shaped pipelines are provided with large nozzles and lower nozzles which vertically spray downwards, and are also provided with small nozzles which incline towards the lower layer O-shaped pipelines; an air equalizing valve is arranged in the small nozzle.
Description
Technical Field
The utility model relates to the technical field of preheating of engine cylinder body dies, in particular to a preheating device for an engine cylinder body die.
Background
The prior engine cylinder body product heats a die-casting die before die-casting, and the cylinder body is die-cast after the die is heated to a certain temperature by a heating device; however, the existing mold preheating device is not suitable for a mold of a die-casting cylinder body, and the existing mold preheating device is heavy in weight, needs an auxiliary tool, is troublesome to install and needs a plurality of people to cooperate with each other for installation and disassembly. And the flame coverage of the hot burning gun nozzle of the prior preheating device is uneven, so that the preheating is not uniform enough, the temperature rise of the die is slow, and the preheating time is long
Therefore, improvements and developments in the prior art are yet to be made.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a preheating device for an engine cylinder mould, and aims to solve the technical problems that the existing preheating device for the cylinder mould is heavy in weight, needs to be installed and detached by multiple persons in a matching way, is slow in temperature rise of the mould and is long in preheating time.
In order to achieve the purpose, the technical scheme of the utility model is as follows: a preheating device for an engine cylinder body mold comprises an upper layer burning gun structure used for preheating the upper surface of the mold and a lower layer burning gun structure used for preheating the lower surface of the mold, wherein the upper layer burning gun structure comprises an upper main pipeline used for air supply and two upper layer O-shaped pipelines; the upper main pipeline is respectively connected with an upper layer of O-shaped pipeline, a small nozzle which is vertically upward is arranged on the upper layer of O-shaped pipeline, a small nozzle which sprays in the horizontal direction is arranged on the outer side surface of the upper layer of O-shaped pipeline, and a small nozzle which inclines to the position between the two upper layer of O-shaped pipelines is also arranged on the upper layer of O-shaped pipeline; the lower layer burning gun structure comprises a lower main pipeline and two lower layer O-shaped pipelines, wherein the lower layer O-shaped pipelines are provided with a large nozzle and a lower nozzle which vertically spray downwards, and are also provided with a small nozzle which inclines into the lower layer O-shaped pipelines; an air equalizing valve is arranged in the small nozzle.
The preheating device for the engine cylinder body mould is characterized in that two upper-layer O-shaped pipelines are further provided with a ventilation central convolution disc, the ventilation central convolution discs are connected with the upper-layer O-shaped pipelines through gas distribution pipes, and the upper-layer O-shaped pipelines are further communicated with each other through an upper main pipeline.
The preheating device for the engine cylinder body mould is characterized in that the two lower-layer O-shaped pipelines are also provided with a ventilation central convolution disc, and the ventilation central convolution disc is connected with the lower-layer O-shaped pipelines through a gas distribution pipe; the lower layer O-shaped pipelines are communicated with each other through a lower main pipeline.
The preheating device for the engine cylinder body mould is characterized in that an upper pipe air inlet is formed in the upper main pipe.
The preheating device for the engine cylinder body mould is characterized in that a lower pipe air inlet is formed in the lower main pipe.
The preheating device for the engine cylinder body mould is characterized in that 8 small nozzles are obliquely arranged between two upper-layer O-shaped pipelines, and four upper-layer O-shaped pipelines are arranged on each small nozzle.
The preheating device for the engine cylinder body mould is characterized in that 8 small nozzles which are vertically upward are arranged on each upper layer O-shaped pipeline.
The preheating device for the engine cylinder body mould is characterized in that 13 small nozzles for horizontally spraying are arranged on each upper layer O-shaped pipeline.
The preheating device for the engine cylinder body mould is characterized in that each lower layer of O-shaped pipeline is provided with 4 large nozzles which vertically spray downwards.
According to the preheating device for the engine cylinder body mould, an included angle of 40-45 degrees is formed between a small nozzle in an O-shaped pipeline which is inclined to the lower layer and the vertical direction.
Has the advantages that: according to the utility model, the preheating device is arranged into the split type upper-layer burning gun structure and the split type lower-layer burning gun structure, so that the weight of the single-layer burning gun is reduced to be within the physical force carrying weight limit specified by the state, the use and the installation are convenient, auxiliary tools are not needed, and the single-layer burning gun can be automatically installed and disassembled by one person; through the improved design of the small nozzle, flame more uniformly covers on the cylinder body die, heating is uniform, the uneven difference of the heating speeds of different parts of the die is improved, the heating speed of the die is accelerated, and the heating time of the die is saved by 40%.
Drawings
Fig. 1 is a bottom view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a top view of the superstructures burning torch of the utility model.
Fig. 4 is a bottom view of the lower lance structure of the present invention.
FIG. 5 is a cross-sectional view of the lower lance structure of the present invention.
FIG. 6 is a cross-sectional view of a small nozzle of the present invention.
FIG. 7 is a top view of a small nozzle of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1-5, the utility model discloses a preheating device for an engine cylinder mould, which comprises an upper layer burning gun structure 100 used for preheating the upper surface of the mould and a lower layer burning gun structure 200 used for preheating the lower surface of the mould, wherein the upper layer burning gun structure 100 comprises an upper main pipe 101 used for supplying air and two upper layer 'O' shaped pipes 102; the upper main pipeline 101 is respectively connected with an upper layer O-shaped pipeline 102, a small nozzle 300 which is vertically upward is arranged on the upper surface of the upper layer O-shaped pipeline 101, a small nozzle 300 which sprays in the horizontal direction is arranged on the outer side surface of the upper layer O-shaped pipeline 101, and the upper layer O-shaped pipeline 102 is also provided with a small nozzle 300 which inclines to the position between the two upper layer O-shaped pipelines; the lower layer burning gun structure 200 comprises a lower main pipeline 201 and two lower layer O-shaped pipelines 202, wherein the lower layer O-shaped pipeline 201 is provided with a large nozzle 400 and a lower nozzle 300 which are vertically downwards sprayed, and the lower layer O-shaped pipeline 202 is also provided with a small nozzle 300 which is inclined into the lower layer O-shaped pipeline; an air equalizing valve 301 is arranged in the small nozzle 300.
After the structure is adopted, the preheating device is designed into a split type upper layer burning gun structure and a split type lower layer burning gun structure, so that the installation is convenient, auxiliary tools are not needed, one person can install and disassemble the preheating device by himself, and the weight is lighter; in addition, the small nozzle is internally provided with the air equalizing valve, so that flame can be more uniformly covered on the cylinder body die, the heating is uniform, the non-uniform difference of the heating speeds of different parts of the die is improved, the heating speed of the die is accelerated, and the heating time of the die is saved by 40%.
Preferably, the two upper layer O-shaped pipes 101 are further provided with a ventilation central convolution 500, the ventilation central convolution 500 is connected with the upper layer O-shaped pipes 101 through the gas distribution pipe 600, and the upper layer O-shaped pipes 101 are further communicated with each other through the upper main pipe 101. The gas exchange between the two upper layer O-shaped pipelines can be uniform through the ventilation center convolution disc.
Preferably, the two lower-layer "O" shaped pipes 201 are further provided with a ventilation central convolution 500, and the ventilation central convolution 500 is connected with the lower-layer "O" shaped pipe 202 through the gas distribution pipe 60; the lower layer O-shaped pipelines 202 are also communicated with each other through a lower main pipeline 201. The gas exchange between the two lower O-shaped pipelines can be uniform through the ventilation center convolution disc.
Preferably, the upper main pipe 101 is provided with an upper pipe air inlet 103.
Preferably, the lower main pipe 201 is provided with a lower pipe air inlet 203.
Preferably, there are 8 small nozzles 300 arranged obliquely between two upper level "O" tubes 101, four for each upper level "O" tube 101.
Preferably, 8 small nozzles 300 are arranged vertically upward in each upper "O" shaped pipe 101.
Preferably, 13 small nozzles 300 for horizontal spraying are provided per upper "O" shaped pipe 101.
Preferably, 4 large nozzles 700 are provided to spray vertically downward per lower layer of the "O" shaped pipe 201, so that the lower mold of the lower cylinder mold can be better preheated.
Preferably, the small nozzles 300 in the pipe 201 are inclined to the lower "O" level at an angle of 40-45 degrees from vertical, with an angle of 41 degrees being most preferred. The engine block mold can be uniformly preheated.
As shown in fig. 6 and 7, the small nozzle 300 includes a nozzle body 310 and an air equalizing valve 320, the air equalizing valve 320 is installed in the nozzle body 310, a central vent hole 321 is formed in the center of the air equalizing valve 320, and four air equalizing holes 322 are formed around the central vent hole 321.
According to the utility model, the preheating device is arranged into the split type upper-layer burning gun structure and the split type lower-layer burning gun structure, so that the weight of the single-layer burning gun is reduced to be within the physical force carrying weight limit specified by the state, the use and the installation are convenient, auxiliary tools are not needed, and the single-layer burning gun can be automatically installed and disassembled by one person; secondly, through the improved design of the small nozzle, the flame can be more uniformly covered on the cylinder body die, the heating is uniform, the non-uniform difference of the heating speeds of different parts of the die is improved, the heating speed of the die is accelerated, and the heating time of the die is saved by 40%.
The above is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, modifications or equivalent substitutions of the technical solution of the present invention without inventive work may be made without departing from the scope of the present invention.
Claims (10)
1. The preheating device for the engine cylinder body mold is characterized by comprising an upper layer burning gun structure used for preheating the upper surface of the mold and a lower layer burning gun structure used for preheating the lower surface of the mold, wherein the upper layer burning gun structure comprises an upper main pipeline used for air supply and two upper layer O-shaped pipelines; the upper main pipeline is respectively connected with an upper layer of O-shaped pipeline, a small nozzle which is vertically upward is arranged on the upper layer of O-shaped pipeline, a small nozzle which sprays in the horizontal direction is arranged on the outer side surface of the upper layer of O-shaped pipeline, and a small nozzle which inclines to the position between the two upper layer of O-shaped pipelines is also arranged on the upper layer of O-shaped pipeline; the lower layer burning gun structure comprises a lower main pipeline and two lower layer O-shaped pipelines, wherein the lower layer O-shaped pipelines are provided with a large nozzle and a lower nozzle which vertically spray downwards, and are also provided with a small nozzle which inclines into the lower layer O-shaped pipelines; an air equalizing valve is arranged in the small nozzle.
2. The preheating device for the engine cylinder block mold according to claim 1, wherein the two upper layer "O" shaped pipelines are further provided with a ventilation central convolution disc, the ventilation central convolution disc is connected with the upper layer "O" shaped pipelines through a gas distribution pipe, and the upper layer "O" shaped pipelines are further communicated with each other through an upper main pipeline.
3. The preheating device for the engine cylinder mold according to claim 1, wherein the two lower-layer O-shaped pipelines are further provided with a ventilation central convolute disc, and the ventilation central convolute disc is connected with the lower-layer O-shaped pipelines through a gas distribution pipe; the lower layer O-shaped pipelines are communicated with each other through a lower main pipeline.
4. The engine block mold preheating apparatus of claim 1, wherein the upper main pipe is provided with an upper pipe air inlet.
5. The engine block mold preheating apparatus of claim 1, wherein the lower main pipe is provided with a lower pipe air inlet.
6. The engine block mold preheating apparatus of claim 1, wherein there are 8 small nozzles inclined between two upper "O" shaped pipes, four for each upper "O" shaped pipe.
7. The engine block mold preheating apparatus of claim 1, wherein 8 small nozzles are provided vertically upward per upper layer "O" shaped pipe.
8. The engine block mold preheating apparatus of claim 1, wherein 13 small nozzles are provided for horizontal injection per upper "O" shaped pipe.
9. The engine block mold preheating apparatus of claim 1, wherein 4 large nozzles are provided for vertically downward injection per lower layer of "O" shaped pipe.
10. The engine block mold preheating apparatus of claim 1, wherein the small nozzles in the obliquely downward "O" shaped duct form an angle of 40 to 45 degrees with the vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123364485.7U CN216680143U (en) | 2021-12-30 | 2021-12-30 | Preheating device for engine cylinder block die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123364485.7U CN216680143U (en) | 2021-12-30 | 2021-12-30 | Preheating device for engine cylinder block die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216680143U true CN216680143U (en) | 2022-06-07 |
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ID=81844959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123364485.7U Active CN216680143U (en) | 2021-12-30 | 2021-12-30 | Preheating device for engine cylinder block die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216680143U (en) |
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2021
- 2021-12-30 CN CN202123364485.7U patent/CN216680143U/en active Active
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