CN110977354A - Production process of fuel tank hoop - Google Patents
Production process of fuel tank hoop Download PDFInfo
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- CN110977354A CN110977354A CN201911328581.0A CN201911328581A CN110977354A CN 110977354 A CN110977354 A CN 110977354A CN 201911328581 A CN201911328581 A CN 201911328581A CN 110977354 A CN110977354 A CN 110977354A
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- hoop
- steel block
- fuel tank
- box
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a production process of a fuel tank hoop, which specifically comprises the following steps: s1, selecting raw materials: the invention relates to the technical field of fuel tanks, in particular to a method for cleaning a steel block, which comprises the steps of selecting the steel block as a raw material, cleaning the steel block, removing impurities on the surface, drying the steel block in a dryer, and polishing the surface of the steel block by using a polisher after the steel block is dried. According to the production process of the fuel oil tank hoop, the steel block cut in the step S1 is placed into a smelting chamber of a smelting furnace to be smelted, a tank hoop forming die is selected according to the diameters of the top end and the bottom end of a fuel tank, the smelted material is injected into the die, and the tank hoop is cooled and formed through a cooling runner in the forming die.
Description
Technical Field
The invention relates to the technical field of fuel tanks, in particular to a production process of a fuel tank hoop.
Background
The fuel tank, namely the fuel storage device, the corrosion resistance requires highly, when two working pressure, should seal when the gauge pressure is at least 0.03MPa, the overpressure produced must pass the hole or relief valve to decompress by oneself, the fuel should not flow out from the gland bonnet or pressure balancing unit of the liquid filling when the bend is going, slope road surface or receiving the impact, the fuel tank must leave the engine and install, in order to avoid lighting the fuel when the traffic accident appears, the fuel tank is except storing oil in the hydraulic system, still play the heat dissipation, separate effects such as the bubble in the fluid, precipitate impurity, etc., the fuel tank has two kinds of open fuel tanks and closed fuel tanks, open fuel tank simple structure, the installation is maintained conveniently, the hydraulic system adopts this kind of form generally, the closed fuel tank is used for the pressurized fuel tank.
At present, the production standard of the fuel tank hoop has a plurality of control nodes, the production process is complex, and more manpower is needed for operation, so that the production cost of the fuel tank hoop is increased, in addition, the material waste is easily caused by the existing production technology, and the produced fuel tank hoops have uneven quality.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a production process of a fuel tank hoop, which solves the problems that the production standard of the fuel tank hoop has more control nodes, the production process is complex, more manpower is needed for operation, the production cost of the fuel tank hoop is increased, in addition, the material waste is easily caused by the prior production technology, and the quality of the produced fuel tank hoop is uneven.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a production process of a fuel tank hoop specifically comprises the following steps:
s1, selecting raw materials: selecting a steel block as a raw material, cleaning the steel block, removing impurities on the surface, putting the steel block into a dryer for drying, polishing the surface of the steel block by using a polisher after the steel block is dried, heating the steel block after polishing, taking out the heated steel block by using a high-temperature-resistant manipulator, cutting the steel block into small blocks with the diameter of 20mm by using a cutting machine, and cooling for later use;
s2, raw material treatment: preheating a smelting furnace at the preheating temperature of 400-500 ℃ for 30-60 minutes, placing the steel block cut in the step S1 into a smelting chamber of the smelting furnace for smelting after the preheating of the smelting furnace is completed, selecting a box hoop forming mold according to the diameters of the top end and the bottom end of a fuel tank, cleaning and drying the inside of the forming mold, injecting the smelted material into the mold, and cooling and forming the box hoop through a cooling runner in the forming mold;
s3, cutting: taking out the box hoop in the forming die, manufacturing the formed part taken out of the forming die into a blank in a hot forging and hot pressing mode, and scribing and cutting the blank according to the diameters of the top end and the bottom end of the fuel tank;
s4, quenching: quenching the blank, heating the blank in a high-temperature furnace at 800-;
s5, finished product processing: and passivating the box hoop by using a passivating agent, and spraying protective paint on the surface of the box hoop by using a high-pressure spraying machine to finish the production of a box hoop finished product.
Preferably, in the step S1, the temperature of the surface of the steel block is maintained at 200 ℃ during the polishing process of the steel block, and the surface of the steel block is polished to be smooth and then heated to 450 ℃.
Preferably, in step S2, the preheating temperature of the smelting furnace is preferably 500 degrees celsius, the preheating time is 40 minutes, the smelting furnace is a continuous furnace, the steel blocks are loaded from the charging side, and after the procedures of temperature rise, heat preservation and the like are completed according to a given temperature curve, the steel blocks are continuously discharged from the discharging side at a certain speed or at certain time intervals.
Preferably, in step S3, the cutting tool of the box hoop blank is cut by a high-speed laser cutting machine, the high-speed laser cutting machine ensures high speed and stability of the laser cutting process, lamp pump lasers with different powers are selected and matched, high-speed precision machining of cutting and punching can be performed on various metals and materials, and the following dynamic focusing device is matched, so that the cutting quality can be always kept as same as one during the cutting process.
Preferably, in the step S4, the preferred heating temperature of the blank in the high-temperature furnace is 800 ℃, the heating time is 5 minutes, the high-temperature furnace adopts ceramic fiber for heat insulation, the heating speed is greatly increased, and the heat energy consumption is reduced, compared with the traditional muffle furnace, the weight is reduced by 1/2, the heating speed is increased by 1 time, the energy is greatly saved, the service life is increased by 3.5 times, the heat preservation effect is good, the temperature is increased to 1000C, the surface of the shell is not scalded after 1 hour, and scalding is avoided.
Preferably, in the step S4, the passivation treatment agent is prepared by mixing 250ml/L styrene-acrylic emulsion, 10ml/L phytic acid solution, 80ml/L organic silane and 60ml/L composite salt solution for reaction at 30 ℃, and stirring for 3 hours.
Preferably, in step S5, before the box hoop passivation process, the appearance of the box hoop is detected in advance, and the appearance of the box hoop is observed for the presence or absence of wrinkles, deformation, bruising, scratches, burrs, white surface embroidery, and black spot defects.
Preferably, in step S5, the spraying agent is sprayed onto the surface of the box hoop twice, the thickness of the first spraying is 0.1 mm, and the second spraying is performed after the box hoop is left for 30 seconds, and the thickness of the second spraying is 0.2 mm.
(III) advantageous effects
The invention provides a production process of a fuel tank hoop. Compared with the prior art, the method has the following beneficial effects:
(1) the production process of the fuel tank hoop comprises the steps of selecting a steel block as a raw material, cleaning the steel block, removing impurities on the surface of the steel block, drying the steel block in a dryer, polishing the surface of the steel block by using a polisher after the steel block is dried, heating the steel block after polishing, taking out the heated steel block by using a high-temperature-resistant manipulator, cutting the steel block into small blocks with the diameter of 20mm by using a cutting machine, and cooling for later use; preheating a smelting furnace at the preheating temperature of 400-.
(2) The production process of the fuel tank hoop takes out the tank hoop from the forming die, the formed part taken out from the forming die is made into a blank in hot forging and hot pressing modes, the blank is scribed and cut according to the diameter of the top end and the bottom end of a fuel tank, and the quenching processing is carried out: quenching the blank, heating the blank in a high-temperature furnace at 800-: the box hoop is passivated by using a passivation treating agent, the surface of the box hoop is sprayed with protective paint by using a high-pressure spraying machine after passivation treatment, the production of box hoop finished products is completed, the production processes of the box hoop are fewer, each process only needs less manpower to operate, the consumption of labor cost is reduced, and the quality of the produced fuel oil box hoop can be effectively guaranteed.
Drawings
Fig. 1 is a flow chart of a production process of the fuel tank hoop.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a technical solution: a production process of a fuel tank hoop specifically comprises the following steps:
s1, selecting raw materials: selecting a steel block as a raw material, cleaning the steel block, removing impurities on the surface, putting the steel block into a dryer for drying, polishing the surface of the steel block by using a polisher after the steel block is dried, heating the steel block after polishing, taking out the heated steel block by using a high-temperature-resistant manipulator, cutting the steel block into small blocks with the diameter of 20mm by using a cutting machine, and cooling for later use;
s2, raw material treatment: preheating a smelting furnace at the preheating temperature of 400-500 ℃ for 30-60 minutes, placing the steel block cut in the step S1 into a smelting chamber of the smelting furnace for smelting after the preheating of the smelting furnace is completed, selecting a box hoop forming mold according to the diameters of the top end and the bottom end of a fuel tank, cleaning and drying the inside of the forming mold, injecting the smelted material into the mold, and cooling and forming the box hoop through a cooling runner in the forming mold;
s3, cutting: taking out the box hoop in the forming die, manufacturing the formed part taken out of the forming die into a blank in a hot forging and hot pressing mode, and scribing and cutting the blank according to the diameters of the top end and the bottom end of the fuel tank;
s4, quenching: quenching the blank, heating the blank in a high-temperature furnace at 800-;
s5, finished product processing: and passivating the box hoop by using a passivating treatment agent, spraying protective paint on the surface of the box hoop by using a high-pressure spraying machine to finish the production of a box hoop finished product, wherein the content which is not described in detail in the specification belongs to the prior art which is known by the technical personnel in the field.
In the invention, in step S1, the temperature of the surface of the steel block is maintained at 200 ℃ during the polishing process of the steel block, and the surface of the steel block is polished to be smooth and then heated to 450 ℃.
In the present invention, in step S2, the preheating temperature of the melting furnace is preferably 500 degrees celsius, the preheating time is 40 minutes, the melting furnace is a continuous furnace, the steel blocks are loaded from the charging side, and after the processes of temperature rise, heat preservation and the like are completed according to a given temperature curve in the furnace, the steel blocks are continuously discharged from the discharging side at a certain speed or at certain time intervals.
In the invention, in step S3, a high-speed laser cutting machine is used for cutting the cutting tool of the box hoop blank, the high-speed laser cutting machine ensures high speed and stability of the laser cutting process, lamp pump lasers with different powers are selected and matched, high-speed precision machining of cutting and punching of various metals and materials can be carried out, and the following dynamic focusing device is matched, so that the cutting quality can be always kept as same as one in the cutting process.
In the invention, in step S4, the preferred heating temperature of the blank in the high-temperature furnace is 800 ℃, the heating time is 5 minutes, the high-temperature furnace adopts ceramic fiber for heat insulation, the heating speed is greatly improved, the heat energy consumption is reduced, compared with the traditional muffle furnace, the weight is reduced by 1/2, the heating speed is improved by 1 time, the energy is greatly saved, the service life is improved by 3.5 times, the heat preservation effect is good, the temperature is raised to 1000 ℃, the surface of the shell is not scalded after 1 hour, and the scald is avoided.
In the invention, in step S4, 250ml/L styrene-acrylic emulsion, 10ml/L phytic acid solution, 80ml/L organosilane and 60ml/L composite salt solution are selected as passivation treatment agent to carry out mixing reaction at the reaction temperature of 30 ℃, and the passivation treatment agent is formed by stirring for 3 hours.
In the present invention, in step S5, before the box hoop passivation process is performed, the appearance of the box hoop is detected in advance, and the appearance of the box hoop is observed for the presence or absence of wrinkling, deformation, bruise, scratches, burrs, white surface embroidery, and black spot defects.
In the invention, in step S5, the surface of the box hoop is sprayed twice with the spraying agent, the thickness of the first spraying is 0.1 mm, the box hoop is placed for 30 seconds and then is sprayed for the second time, and the thickness of the second spraying is 0.2 mm.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A production process of a fuel tank hoop is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, selecting raw materials: selecting a steel block as a raw material, cleaning the steel block, removing impurities on the surface, putting the steel block into a dryer for drying, polishing the surface of the steel block by using a polisher after the steel block is dried, heating the steel block after polishing, taking out the heated steel block by using a high-temperature-resistant manipulator, cutting the steel block into small blocks with the diameter of 20mm by using a cutting machine, and cooling for later use;
s2, raw material treatment: preheating a smelting furnace at the preheating temperature of 400-500 ℃ for 30-60 minutes, placing the steel block cut in the step S1 into a smelting chamber of the smelting furnace for smelting after the preheating of the smelting furnace is completed, selecting a box hoop forming mold according to the diameters of the top end and the bottom end of a fuel tank, cleaning and drying the inside of the forming mold, injecting the smelted material into the mold, and cooling and forming the box hoop through a cooling runner in the forming mold;
s3, cutting: taking out the box hoop in the forming die, manufacturing the formed part taken out of the forming die into a blank in a hot forging and hot pressing mode, and scribing and cutting the blank according to the diameters of the top end and the bottom end of the fuel tank;
s4, quenching: quenching the blank, heating the blank in a high-temperature furnace at 800-;
s5, finished product processing: and passivating the box hoop by using a passivating agent, and spraying protective paint on the surface of the box hoop by using a high-pressure spraying machine to finish the production of a box hoop finished product.
2. The production process of the fuel tank hoop according to claim 1, characterized in that: in the step S1, the temperature of the surface of the steel block is maintained at 200 ℃ during the polishing process of the steel block, and the surface of the steel block is polished to be smooth and then heated to 450 ℃.
3. The production process of the fuel tank hoop according to claim 1, characterized in that: in step S2, the preheating temperature of the smelting furnace is preferably 500 degrees celsius, and the preheating time is 40 minutes.
4. The production process of the fuel tank hoop according to claim 1, characterized in that: in step S3, a high-speed laser cutting machine is used to perform a cutting process on the cutting tool of the box-hoop blank.
5. The production process of the fuel tank hoop according to claim 1, characterized in that: in step S4, the blank is preferably heated in a high temperature furnace at 800 degrees celsius for 5 minutes.
6. The production process of the fuel tank hoop according to claim 1, characterized in that: in the step S4, the passivation treating agent is prepared by mixing and reacting 250ml/L styrene-acrylic emulsion, 10ml/L phytic acid solution, 80ml/L organosilane and 60ml/L composite salt solution at the reaction temperature of 30 ℃ for 3 hours.
7. The production process of the fuel tank hoop according to claim 1, characterized in that: in step S5, before the box hoop passivation process, the appearance of the box hoop is detected in advance, and whether the appearance of the box hoop has wrinkles, deformation, bruising, scratches, burrs, white embroidery on the surface, or black spot defect is observed.
8. The production process of the fuel tank hoop according to claim 1, characterized in that: in the step S5, the surface of the box hoop is sprayed twice with the spraying agent, the thickness of the first spraying is 0.1 mm, and the box hoop is placed for 30 seconds and then sprayed for the second time, and the thickness of the second spraying is 0.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911328581.0A CN110977354A (en) | 2019-12-20 | 2019-12-20 | Production process of fuel tank hoop |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911328581.0A CN110977354A (en) | 2019-12-20 | 2019-12-20 | Production process of fuel tank hoop |
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| CN110977354A true CN110977354A (en) | 2020-04-10 |
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| CN201911328581.0A Pending CN110977354A (en) | 2019-12-20 | 2019-12-20 | Production process of fuel tank hoop |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112676771A (en) * | 2020-11-24 | 2021-04-20 | 瑞安市遵盛汽车零部件有限公司 | Processing technology of high-strength large hexagon bolt |
| CN115198281A (en) * | 2022-06-22 | 2022-10-18 | 安徽省霍山恒鑫金属制品有限公司 | Surface treatment method for metal casting |
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| CN115198281B (en) * | 2022-06-22 | 2024-02-02 | 安徽省霍山恒鑫金属制品有限公司 | Surface treatment method for metal castings |
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