CN216420752U - Preparation facilities of high anti-corrosion hot pressing spare part - Google Patents
Preparation facilities of high anti-corrosion hot pressing spare part Download PDFInfo
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- CN216420752U CN216420752U CN202122247215.1U CN202122247215U CN216420752U CN 216420752 U CN216420752 U CN 216420752U CN 202122247215 U CN202122247215 U CN 202122247215U CN 216420752 U CN216420752 U CN 216420752U
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Abstract
The utility model discloses a preparation device of a high corrosion resistant hot-pressed part, which is used for hot forming of a coated high-strength steel part and specifically comprises a hot water tank, a heating device, a mould, a mechanical clamping device, a water supplementing device, a steam condenser and a water filtering module, wherein the hot water tank is used for containing boiling water with the temperature of more than 70 ℃, and the heating device is arranged at the bottom of the hot water tank, so that the temperature of the boiling water can be automatically controlled; the water supplementing device and the water filtering module are installed inside the hot water tank, the steam condenser is installed at the top of the hot water tank, the austenitized blank is transferred into the hot water tank through the mechanical clamping device, is immersed in hot water and stays for a certain time, and then is transferred into the die to be stamped and formed and quenched. The device can prevent the generation of micro-cracks in the forming and hardening processes, the utility model has simple equipment and low investment cost, and can be used by adding a module in the current hot stamping production line; meanwhile, the method has the advantages of saving energy, reducing the cost of the die, cleaning the surface of the blank and the like.
Description
Technical Field
The utility model relates to a high-strength steel hot forming technology among the industrial manufacturing technical field, concretely relates to preparation facilities of high anti-corrosion hot pressing spare part.
Background
High-strength steel members are being widely used in the automotive industry due to their excellent mechanical properties, enabling the realization of lightweight vehicle bodies while improving safety. Hot formed high strength steel components are widely used due to the advantages of low forming force, low part spring back, and the like. The steel for hot stamping can be classified into a non-plated steel and a plated steel. The non-coating steel plate can generate serious oxidation phenomenon in the heating and heat preservation stage, shot blasting is needed in the later stage, the steel plate is easy to rust, the steel plate with the coating overcomes the defects, and the production cost is high.
However, after the pure zinc coating is austenitized, the coating liquid Zn is stamped at a temperature higher than the melting point of the gamma phase of 782 ℃, so that liquid metal brittle cracks are easily generated, and the performance of parts is affected.
In order to prevent the generation of cracks, the current galvanizing hot forming equipment mainly has the following two types:
1) indirect forming equipment: the galvanized sheet is firstly subjected to cold stamping to complete 90% preforming of the part, then the part is heated to austenitize, and then the part is transferred to a cooling die to complete final forming and quenching. At present, the manufacturing of zinc-based coating hot stamping parts is realized by adopting indirect hot stamping in an austenitic steel union, but the process has more procedures (the cold stamping forming is added), the energy consumption is high, the parts need to be placed in a special bracket for heating and transferring, the automation control difficulty is high, and the requirement on a heating furnace is higher.
2) Multi-pass forming equipment: and multiple sets of dies are installed in the hydraulic press, and continuous multi-pass stamping forming is performed by adopting the progressive die principle. The equipment requires a large press, has high automation difficulty and high investment of a plurality of sets of dies.
In addition, patent (201780010625.8) proposes that oxygen be supplied to the sheet metal blank to be formed near the positive radius and/or the drawing edge of the forming die to prevent the formation of microcracks during the forming and hardening, but this device requires high pressure gas, is energy-intensive and costly, and is not easy to implement because the die face is broken by punching holes in the die face.
Patent CN 107922984 a, which proposes a method and apparatus for uniform non-contact cooling of hot non-endless surface, the web is cooled in non-contact by arranging vanes and nozzles; in the non-contact cooling mode, gas is sprayed out through a nozzle and is blown to the surface of the steel plate, and the cooling speed is not uniform; the device is complex to control, needs to feed back the temperature of the plate in real time, and is not easy to implement.
Therefore, the development of equipment for preparing the high-corrosion-resistance hot-pressed part with low cost and easy implementation is very important, the surface decarburization and the oxidation peeling caused by the hot stamping of a bare plate can be effectively reduced, and the corrosion resistance and the service performance of parts are improved.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, especially uneven, the oxide layer of sheet material cooling rate washs the difficulty, the high problem of energy consumption, the utility model aims to provide a preparation facilities of high anticorrosive hot pressing spare part.
The utility model provides a technical scheme that its technical problem adopted is: a preparation device for high-corrosion-resistance hot-pressed parts comprises a hot water tank, a heating device, a mold, a mechanical clamping device, a water supplementing device, a steam condenser and a water filtering module. Boiling water is filled in the hot water tank and is used for placing blanks; the hot water tank is provided with a heating device and is used for automatically controlling the water temperature in the hot water tank, and the water temperature in the hot water tank is controlled to be 70-100 ℃; the mould is arranged at the bottom of the hot water tank or independently arranged on a press platform;
the side surface of the hot water tank is provided with a water supplementing device, and the water supplementing device is provided with a liquid level position monitor and an electric control water supplementing pump and is used for automatically adding water or prompting to add water when the liquid level is reduced; the upper part of the hot water tank is provided with a steam condenser which is used for collecting, cooling and recovering steam; the hot water tank is provided with a water filtering module.
Specifically, the size of the hot water tank meets the requirement of blank water inlet and outlet, and the hot water tank is provided with a water outlet for draining clean water.
Specifically, an ultrasonic excitation system can be installed inside the hot water tank for cleaning the blank. The hot water may be added with an aqueous solution.
Specifically, heating device is equipped with temperature measurement and feedback module for self-heating when the temperature reduces, stop heating when reaching the temperature point, and heating device installs inside the hot-water tank or independently installs, need possess when heating device independently installs with the hot-water tank between the hydrologic cycle function.
Specifically, when the mold is fixed at the bottom of the hot water tank, the liquid level of boiling water is higher than that of the lower mold of the mold, and the boiling water cannot overflow the hot water tank after the mold is closed.
Specifically, the mechanical clamping device is provided with a clamp for stably moving the high-temperature blank, and the clamp takes a horizontal plane as an axis and rotates at an angle of-45 degrees to 45 degrees; when the mechanical clamping device transfers the high-temperature blank into water and out of water, the time of each position of the blank in boiling water is ensured to be consistent by controlling the water inlet angle and the water outlet angle.
Specifically, the water filtration module has the filtering mechanism of high-temperature water for reduce the concentration of fine granule, and the water filtration module selects filter particle size, filter particle size scope 10um ~ 10mm according to actual demand.
Specifically, the blank is a plate or a pipe, and the material is low-melting-point coating hot forming steel of a GI zinc layer, a GA zinc layer and a zinc-aluminum-magnesium coating.
Specifically, the blank is heated to austenitize, then transferred into a hot water tank for cleaning, stays in boiling water for a certain time, and then enters a die for forming and quenching.
The utility model discloses following beneficial effect has:
1) compared with the existing galvanizing thermoforming equipment, the device in the utility model has simple equipment, does not need to change the equipment layout of the existing production line, only needs to install the device in the existing production line, and does not need to invest in the production line again;
2) the utility model can control the uniform cooling of the blank and the forming temperature of the plate only by controlling the water temperature and the time of the blank entering the water, and the automation is easy to realize;
3) the utility model can effectively clean the surface by directly contacting the flowing liquid with the blank; in addition, the device can also be added with an ultrasonic device to clean the extremely thin oxide layer on the surface of the blank, so that the cleaning effect on the surface oxide layer is enhanced;
4) after the high-temperature blank of the utility model enters hot water, the heat of the blank can be supplemented to the hot water; by adjusting the water quantity and the water temperature, the balance between the heat consumption and the supplementary heat of hot water can be achieved, and continuous production, energy conservation and emission reduction can be realized without supplementing heat to the hot water in the production process;
5) the middle mould of the utility model can be arranged in the hot water tank for heat transfer and heat dissipation, and does not need an extra cooling water channel, thus greatly reducing the processing cost of the mould;
6) the filtering device and the condensing device are arranged in the device, and the filtering device can filter oxide particles in water, so that the water can be recycled; the condensing device can reflux the water vapor generated in the steel plate cooling process, and the drying of the surrounding environment of the production line is ensured.
Drawings
Fig. 1 is a schematic diagram of the device for preparing the plate material of the utility model independent of the hot water tank.
Fig. 2 is a schematic diagram of the device for preparing the plate material of the present invention installed at the bottom of the hot water tank.
Fig. 3 is the structure schematic diagram of the equipment for preparing the pipe mold of the utility model.
Fig. 4 is a schematic diagram of the structure of the pipe mold for preparing the equipment in water.
FIG. 5 is a coating crack pattern diagram of the device of the present invention for producing parts.
In the figure: 1-a hot water tank; 2-a heating device; 3-molding; 4-a mechanical clamping device; 5-a water replenishing module; 6-a steam condenser; 7-water filtration module.
Detailed Description
The technical solution in the embodiments of the present invention will be described in further detail in the following clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
A preparation device for high-corrosion-resistance hot-pressed parts comprises a hot water tank 1, a heating device 2, a mold 3, a mechanical clamping device 4, a water supplementing device 5, a steam condenser 6 and a water filtering module 7.
The hot water tank 1 is used for placing blanks, and the size of the hot water tank meets the requirements of the blanks on water inlet and water outlet.
The hot water tank 1 is used for containing boiling water with the temperature of more than 70 ℃. A heating device 2 is arranged at the bottom and used for automatically controlling the water temperature in the hot water tank 1; the heating device 2 is provided with a temperature measuring and feedback module for automatically heating when the water temperature is reduced, and stops heating when reaching a temperature point, and the heating device 2 can be connected with the hot water tank 1 or can be independent, and has a water circulation function with the hot water tank 1 if being independent.
The mould 3 is arranged at the bottom of the hot water tank 1 and is fixed on the press platform together with the hot water tank, the boiling water level is higher than that of the lower mould of the mould, and the boiling water cannot overflow the hot water tank 1 after the upper mould is closed. Or the mould 3 is independently fixed on the platform of the press, and the hot water tank 1 is placed at a proper position.
The mechanical clamping device 4 is provided with a clamp for stably moving the high-temperature blank, and the clamp has high-temperature resistance and waterproof functions; the device has the function of rotating at an angle of-45 degrees by taking a horizontal plane x (or y) as an axis; when the mechanical clamping device 4 transfers the high-temperature blank into water and out of water, the time of each position of the blank in the boiling water is ensured to be consistent by controlling the water inlet angle and the water outlet angle.
A water supplementing device 5 is installed on the side part of the hot water tank 1, and the water supplementing device 5 is provided with a liquid level position monitor and an electric control water supplementing pump and is used for automatically adding water or prompting to add water when the liquid level is lowered; the upper part of the hot water tank 1 is provided with a steam condenser 6 for collecting, cooling and recovering the steam in the hot water tank 1 to reduce the humidity of the production environment.
A water filtering module 7 is installed in the hot water tank 1. The water filtering module 7 has a filtering mechanism of high-temperature water for reducing the concentration of fine particles, and the water filtering module selects the size of filtering particles according to actual requirements, and the size range of the filtering particles is 10 um-10 mm.
The hot water tank 1 is provided with a water outlet for draining water and cleaning the hot water tank 1. An ultrasonic excitation system can be installed inside the hot water tank 1 for cleaning the blank.
The blank is a plate or a pipe, and the material is low-melting-point coating hot forming steel of a GI zinc layer, a GA zinc layer and a zinc-aluminum-magnesium coating.
After being heated to austenitize, the blank is firstly transferred into a hot water tank 1 for cleaning, stays in boiling water for a certain time, and then enters a die 3 for forming and quenching.
The first embodiment is as follows:
as shown in fig. 1, a device for preparing a high corrosion resistance hot-pressed part. The hot water tank 1 is used for containing boiling water with the temperature higher than 70 ℃, is provided with a water inlet and a water changing port, and has the functions of water discharging cleaning and water circulation.
The heating device 2 has the functions of temperature measurement and negative feedback, can automatically heat when the water temperature in the hot water tank 1 is reduced, and stops heating when reaching a temperature point. The heating device can be connected with the hot water tank 1 or can be independent, and if the heating device is independent, the heating device needs to have a water circulation function with the hot water tank 1.
The die 3 is mounted on the press table.
The mechanical clamping device 4 is provided with a clamp for stably moving the high-temperature blank, and has high-temperature resistance and waterproof functions; the rotation function of minus 45 degrees to 45 degrees is carried out by taking a horizontal plane x (or y) as an axis.
And the water replenishing device 5 has water surface position monitoring and water replenishing functions and can add water or prompt when the liquid level is lowered.
And the steam condenser 6 has the functions of collecting, cooling and recovering water vapor so as to reduce the humidity of the production environment.
The water filtering module 7 has a function of filtering and circulating high-temperature water, and reduces the concentration of fine particles.
The method comprises the following specific operation steps: heating the plated hot-formed steel sheet in a heating furnace to a fully austenitized state (AC3 or higher); transferring the high-temperature plate material into a hot water tank 1 by a mechanical clamping device 4, entering water at a certain angle (such as 30 degrees), and discharging water at a symmetrical angle (such as-30 degrees) after adjusting the angle to uniformly cool the plate material; the plate stays in boiling water for a certain time; and after water is discharged, putting the plate into a die 3 for stamping forming and quenching. FIG. 5 is a crack pattern of the plated layer of a formed article, and it can be seen that the crack does not penetrate into the substrate.
Example two:
as shown in fig. 2, the lower die of the die 3 and the hot water tank 1 are mounted on the platform of the press together, the die 3 is fixed at the bottom of the hot water tank 1, the boiling water level is higher than the die, and the boiling water does not overflow the hot water tank 1 after die assembly.
The coating hot-formed steel plate is heated to a complete austenitizing state (more than AC 3) in a heating furnace, a high-temperature plate is transferred into a hot water tank 1 by a mechanical clamping device 4 and is put into water, the high-temperature plate stays in boiling water for a certain time, the plate is placed above a die, and the die is pressed downwards to form and quench the plate.
Example three:
as shown in fig. 3, the specific operation steps are: the test piece is a plated hot-formed pipe, and other steps are the same as those in the first embodiment.
Example four:
as shown in fig. 4, the pipe forming mold is installed inside the hot water tank 1, the plated pipe is heated in a heating furnace to a completely austenitized state (AC3 or more), the high-temperature pipe material is transferred to the hot water tank 1 by the mechanical clamping device 4, the pipe material is put into the mold 3, the pipe end is sealed by the sealing device, and then pipe forming is performed.
The utility model discloses not be limited to above-mentioned embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (7)
1. The preparation device of the high-corrosion-resistance hot-pressing part is characterized by comprising a hot water tank, a heating device, a mold, a mechanical clamping device, a water supplementing device, a steam condenser and a water filtering module, wherein boiling water is contained in the hot water tank and used for placing a blank, the heating device is installed on the hot water tank and used for automatically controlling the water temperature in the hot water tank, the water temperature in the hot water tank is controlled to be 70-100 ℃, and the mold is installed at the bottom of the hot water tank or is independently installed on a press platform;
the side-mounting of hot-water tank has the moisturizing device, and the moisturizing device is equipped with liquid level position monitor and automatically controlled moisturizing pump for automatic watering or suggestion are watered when the liquid level reduces, and the vapor condenser is installed on the upper portion of hot-water tank for collect, cool off and retrieve the vapor in the hot-water tank, still install water filtration module on the hot-water tank.
2. The manufacturing device of the high-corrosion-resistance hot-pressed part according to claim 1, wherein the size of the hot water tank meets the requirement of the blank on water inlet and outlet, the hot water tank is provided with a water outlet for draining and cleaning the hot water tank, and an ultrasonic excitation system is arranged in the hot water tank for cleaning the blank.
3. The apparatus for preparing highly corrosion-resistant hot-pressed parts according to claim 1, wherein the heating device is provided with a temperature measuring and feedback module for automatically heating when the temperature of water is reduced and stopping heating when the temperature reaches a point, the heating device is installed inside the hot water tank or is independently installed, and the heating device is required to have a water circulation function with the hot water tank when being independently installed.
4. The apparatus for preparing a highly corrosion-resistant hot-pressed part according to claim 1, wherein when the mold is fixed to the bottom of the hot water tank, the boiling water level is higher than that of the lower mold of the mold, and the boiling water does not overflow the hot water tank after the mold is closed.
5. The apparatus for preparing highly corrosion-resistant hot-pressed parts according to claim 1, wherein the mechanical holding device is provided with a clamp for stably moving the high-temperature blank, the clamp is provided with a rotating shaft having a horizontal plane as an axis and performing an angle of-45 ° to 45 °; when the mechanical clamping device transfers the high-temperature blank into water and out of water, the time of each position of the blank in boiling water is ensured to be consistent by controlling the water inlet angle and the water outlet angle.
6. The apparatus for preparing high corrosion resistant hot-pressed parts according to claim 1, wherein the water filtering module has a filtering mechanism of high temperature water for reducing the concentration of fine particles, and the water filtering module selects the size of filtering particles according to actual requirements, and the size of the filtering particles ranges from 10um to 10 mm.
7. The apparatus for preparing highly corrosion-resistant hot-pressed parts according to claim 1, wherein the blank is a plate or a pipe, and the blank is a low melting point plated hot-formed steel having a GI zinc layer, a GA zinc layer, or a zinc-aluminum-magnesium plated layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122247215.1U CN216420752U (en) | 2021-09-16 | 2021-09-16 | Preparation facilities of high anti-corrosion hot pressing spare part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122247215.1U CN216420752U (en) | 2021-09-16 | 2021-09-16 | Preparation facilities of high anti-corrosion hot pressing spare part |
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| CN216420752U true CN216420752U (en) | 2022-05-03 |
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| CN202122247215.1U Active CN216420752U (en) | 2021-09-16 | 2021-09-16 | Preparation facilities of high anti-corrosion hot pressing spare part |
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- 2021-09-16 CN CN202122247215.1U patent/CN216420752U/en active Active
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