A resin sand mold coating apparatus

Abstract

This invention relates to the field of resin sand casting technology, and more particularly to a resin sand casting mold coating equipment. The key technical points of this equipment include: a track device mounted on the ground; a rotating placement device mounted on the track device for placing the mold and driving its rotation, the track device driving the rotating placement device to translate so that it enters the processing station; a displacement device mounted on the ground and adjacent to the processing station; a spraying device mounted on the displacement device, the displacement device driving the spraying device to move, the spraying device for spraying coating onto the mold surface; and an ignition device mounted on the displacement device, the displacement device driving the ignition device to move, the ignition device for igniting the coating applied to the mold surface. This application solves the problems of low coating efficiency and potential harm to the human body in existing coating processes.

Description

Technical Field

[0001] This invention relates to the field of resin sand casting technology, and more particularly to a resin sand casting mold coating device. Background Technology

[0002] Resin sand casting technology is widely used in large wind power casting products, such as wind turbine main shaft products, due to its advantages of high dimensional accuracy, good surface finish and high production efficiency. In resin sand casting production, casting coating is an indispensable key material. Its core function is to form a dense refractory isolation layer between the mold and the high-temperature molten metal to prevent surface defects such as sand adhesion and sand holes from forming on the casting.

[0003] Among them, alcohol-based casting coatings are one of the most widely used coatings for resin sand casting molds. Compared with water-based coatings that require furnace drying, have a long construction cycle, and consume a lot of energy, alcohol-based coatings have significant advantages such as fast drying speed, high construction efficiency, and no need for special drying equipment. After coating, they can be dried quickly by natural evaporation or direct ignition. Therefore, they are the preferred solution in the production of large casting molds.

[0004] However, the coating process for resin sand casting molds still relies heavily on manual coating. On the one hand, manual coating has the problem of low coating efficiency. On the other hand, ignition can easily cause burns, and the coating can easily form harmful volatile substances after combustion, thus affecting human safety and health.

[0005] The above information is provided as background information only to aid in understanding this disclosure and does not constitute an assertion or admission that any of the above content can be used as prior art relative to this disclosure. Summary of the Invention

[0006] This invention provides a resin sand casting coating device to solve the problems of low coating efficiency and potential harm to the human body in the prior art.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] A resin sand casting mold coating device, comprising:

[0009] Track-mounted devices, installed on the ground;

[0010] A rotating placement device is provided on the track device and is used to place the mold and drive the mold to rotate. The track device is used to drive the rotating placement device to translate so that the rotating placement device enters the processing station.

[0011] A displacement device is installed on the ground and is located adjacent to the processing station;

[0012] A spraying device is disposed on the displacement device, the displacement device drives the spraying device to move, and the spraying device is used to spray paint onto the surface of the mold.

[0013] And an ignition device, disposed on the displacement device, the displacement device drives the ignition device to move, the ignition device being used to ignite the coating applied to the surface of the mold.

[0014] Preferably, the spraying device includes:

[0015] A mixing mechanism, having a feeding port and a discharging port, is used to mix the composition into a coating.

[0016] An extension arm is horizontally positioned on the displacement device, and the displacement device drives the extension arm to move in three-dimensional space.

[0017] The nozzle mechanism is located at the end of the extension arm;

[0018] The system includes a conveying mechanism, which is connected to the discharge port and the nozzle mechanism, respectively, for pumping the coating material from the mixing mechanism to the nozzle mechanism so that the nozzle mechanism can spray the coating material onto the mold.

[0019] Preferably, the stirring mechanism includes:

[0020] A mixing tank, wherein the discharge port and the feeding port are provided on the mixing tank;

[0021] A stirring rod is rotatably mounted on the mixing tank and located inside the mixing tank;

[0022] A stirring motor is provided, located in the mixing tank and connected to the stirring rod, for driving the stirring rod to rotate.

[0023] Preferably, the conveying mechanism includes:

[0024] An explosion-proof self-priming pump is installed in the stirring mechanism, and its inlet is connected to the outlet.

[0025] The explosion-proof self-priming pump is connected to the nozzle mechanism and the mixing mechanism respectively through the transport pipeline, and the explosion-proof self-priming pump transports the paint to the nozzle mechanism through the transport pipeline.

[0026] Preferably, the nozzle mechanism includes:

[0027] A rotating platform is rotatably mounted on the extension arm;

[0028] The atomizing nozzle is fixedly installed on the rotating table and connected to the conveying mechanism;

[0029] And a drive assembly, disposed on the extension arm and connected to the rotary table, for driving the rotary table to rotate so that the atomizing nozzle has at least two spraying angles: a horizontal orientation and a vertical downward orientation.

[0030] Preferably, the driving component includes:

[0031] A drive motor is mounted on the extension arm;

[0032] A drive gear ring is fixedly mounted on the rotary table;

[0033] And a drive gear, which is fixedly mounted on the output shaft of the drive motor and meshes with the drive gear ring.

[0034] Preferably, the displacement device includes:

[0035] The lifting linear module is installed on the ground.

[0036] A horizontal linear module is disposed on the lifting linear module, and the lifting linear module is used to drive the horizontal linear module to move up and down;

[0037] And a telescopic module is provided on the horizontal linear module. The lifting linear module is used to drive the horizontal linear module to move horizontally back and forth. The spraying device and the ignition device are provided on the telescopic module. The telescopic module drives the spraying device and the ignition device to alternately approach the rotating placement device along the horizontal direction. The movement output direction of the telescopic module is perpendicular to the movement output direction of the horizontal linear module.

[0038] Preferably, the telescopic module includes:

[0039] A telescopic motor is installed in the horizontal linear module;

[0040] A telescopic gear is fixedly mounted on the output shaft of the telescopic motor;

[0041] The first rack and pinion slider is slidably disposed on the horizontal straight module, and the spraying device is disposed on the first rack and pinion slider;

[0042] The second rack and slider is slidably disposed on the horizontal linear module. The ignition device is disposed on the second rack and slider and parallel to the first rack and slider. The telescopic gear is located between the first rack and slider and the second rack and slider, and the telescopic gear meshes with the first rack and slider and the second rack and slider respectively.

[0043] Preferably, it further includes an air extraction device, the air extraction device comprising:

[0044] An exhaust hood is installed above the rotating storage device;

[0045] An exhaust fan is installed in the exhaust hood;

[0046] And an exhaust gas treatment mechanism, which is connected to the exhaust hood, wherein the exhaust fan is used to draw harmful gases from the exhaust hood to the exhaust gas treatment mechanism.

[0047] Preferably, it also includes a fencing device, which includes multiple fencing panels connected in sequence, the fencing panels surrounding the side of the processing station.

[0048] Compared with the prior art, the present invention has the following beneficial effects:

[0049] The resin sand casting mold coating equipment provided by this invention, under the action of the track device and the rotating placement device, can drive the automatic feeding and unloading of the casting mold, realizing automated transfer. Under the action of the rotating placement device, the casting mold is driven to rotate, thereby widening the spraying area. At this time, under the action of the displacement device, the spraying device can be moved to evenly spray the coating onto the surface of the casting mold. Subsequently, the displacement device drives the ignition device to approach the casting mold and ignite the coating. After the coating dries and hardens, a fire-resistant isolation layer is formed. In the above scheme, the degree of automation of the coating process is increased, which can significantly improve the coating efficiency and reduce human intervention and harm to the human body.

[0050] The present invention has other features and advantages, which will be apparent from or will be set forth in detail in the accompanying drawings and the following detailed description, which together serve to explain the particular principles of the invention. Attached Figure Description

[0051] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0052] Figure 1 This is a schematic diagram of the structure of the resin sand casting coating equipment provided in an embodiment of the present invention;

[0053] Figure 2 This is a schematic diagram of the track device provided in an embodiment of the present invention;

[0054] Figure 3 This is a schematic diagram of the displacement device, spraying device, and ignition device provided in the embodiments of the present invention;

[0055] Figure 4 This is a schematic diagram of the spraying device, ignition device, and telescopic module provided in the embodiments of the present invention;

[0056] Figure 5 This is a structural schematic diagram from another perspective of the displacement device, spraying device, and ignition device provided in the embodiments of the present invention.

[0057] Figure 6 This is a cross-sectional view of the stirring mechanism provided in an embodiment of the present invention;

[0058] Figure 7 This is a partial structural schematic diagram of the spraying device provided in an embodiment of the present invention.

[0059] Figure label:

[0060] 1. Track assembly; 11. Track flatcar; 12. Ground track;

[0061] 2. Rotating storage device;

[0062] 3. Displacement device; 31. Lifting linear module; 32. Horizontal linear module; 33. Telescopic module; 331. Telescopic motor; 332. Telescopic gear; 333. First rack and pinion slider; 334. Second rack and pinion slider;

[0063] 4. Spraying device; 41. Mixing mechanism; 411. Mixing box; 412. Mixing rod; 413. Mixing motor;

[0064] 42. Extending arm;

[0065] 43. Nozzle mechanism; 431. Rotary table; 432. Atomizing nozzle; 433. Drive assembly; 4331. Drive motor; 4332. Drive gear ring; 4333. Drive gear;

[0066] 44. Conveying mechanism; 441. Explosion-proof self-priming pump; 442. Transport pipeline;

[0067] 5. Ignition device;

[0068] 6. Exhaust device; 61. Exhaust hood; 62. Exhaust fan; 63. Waste gas treatment mechanism;

[0069] 7. Fence installation. Detailed Implementation

[0070] To make the objectives, features, and advantages of this invention more apparent and understandable, the technical solutions of the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0071] In the description of this invention, it should be understood that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component present simultaneously. When a component is considered to be "set" on another component, it can be directly set on the other component or there may be an intermediate component present simultaneously.

[0072] Furthermore, terms such as “long,” “short,” “inner,” and “outer” indicate orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings. They are used only for the purpose of describing the present invention and are not intended to indicate or imply that the device or component referred to must have this specific orientation or operate in a specific orientational configuration. Therefore, they should not be construed as limitations of the present invention.

[0073] The following is in conjunction with the appendix Figure 1-7 The technical solution of the present invention will be further illustrated through specific embodiments.

[0074] Please refer to Figure 1 This invention provides a resin sand casting coating device, including a track device 1, a rotating placement device 2, a displacement device 3, a spraying device 4, and an ignition device 5.

[0075] The track device 1 is set on the ground, the rotating placement device 2 is set on the track device 1 and is used to place the mold and drive the mold to rotate. The track device 1 is used to drive the rotating placement device 2 to translate so that the rotating placement device 2 enters the processing station. The displacement device 3 is set on the ground and is set adjacent to the processing station. The spraying device 4 is set on the displacement device 3 and the displacement device 3 drives the spraying device 4 to move. The spraying device 4 is used to spray paint onto the surface of the mold. The ignition device 5 is set on the displacement device 3 and the displacement device 3 drives the ignition device 5 to move. The ignition device 5 is used to ignite the paint coated on the surface of the mold.

[0076] Among them, combined Figure 2The track device 1 typically includes a track flatcar 11 and two parallel ground rails 12. The ground rails 12 are laid on the ground, and the track flatcar 11 is installed on the two ground rails 12. The track flatcar 11 can slide back and forth along the length of the ground rails 12. At this time, the space area where one end of the ground rail 12 is located is selected as the processing station. The rotating placement device 2 is installed on the track flatcar 11. At this time, the track flatcar 11 can send the rotating placement device 2 into the processing station or send the rotating placement device 2 out of the processing station.

[0077] To facilitate the explanation and understanding of the scheme, a spatial rectangular coordinate system is set here, including the x-axis, y-axis and z-axis. The x-axis and y-axis are mutually perpendicular horizontal axes, and the z-axis is a vertical axis. The track flatcar 11 moves back and forth along the x-axis.

[0078] Based on this, the rotating placement device 2 is mainly used to place the casting mold. It mainly adopts a tray and a heavy-duty hollow rotating platform. The heavy-duty hollow rotating platform is fixedly installed on the rail flat car 11, and the tray is fixedly installed on the heavy-duty hollow rotating platform. The casting mold is placed on the tray, and the casting mold can be stably fixed on the tray by installing positioning blocks or clamps, so that it is not easy to loosen.

[0079] At this time, the heavy-duty hollow rotary platform outputs rotational power, which can drive the pallet to rotate the mold, thereby changing the placement angle of the mold, which is beneficial for multi-angle coating operations on the mold.

[0080] Furthermore, the displacement device 3 is used to output reciprocating movement in space. For example, the displacement device 3 outputs movement in the x-axis, y-axis and z-axis directions respectively. At this time, by setting the spraying device 4 on the displacement device 3, the spraying device 4 can be driven to move flexibly in three-dimensional space, so that the coating can be evenly coated on the surface of the mold through the spraying device 4, thereby realizing the automated coating function.

[0081] It should be explained that the coatings used in this solution are mainly alcohol-based coatings, which have fast-drying properties and can improve the molding efficiency of the mold. It is understood that the coatings use common coating materials, and there are no restrictions on their specific components.

[0082] Furthermore, when the coating is evenly applied to the surface of the mold, the displacement device 3 can be activated again. The displacement device 3 can also drive the ignition device 5 to move flexibly. At this time, by driving the ignition device 5 close to the area on the mold coated with the coating, and then activating the ignition device 5, the coating can be ignited, thereby promoting the rapid hardening and drying of the coating and forming a dense refractory isolation layer, so as to reduce the possibility of surface defects such as sand adhesion and sand holes during casting production.

[0083] In some embodiments, the ignition device 5 may be an electronic pulse igniter with an automatic ignition function. In other embodiments, the ignition device 5 may also be a piezoelectric ceramic igniter or a hot wire igniter. It is understood that any device that can have an automatic ignition function should be tried. No specific structure of the ignition device 5 is limited here.

[0084] It should be added that the track device 1, rotating placement device 2, displacement device 3, spraying device 4, and ignition device 5 can be automatically controlled in sequence by a PLC controller to perform coating actions. The host computer communicates with the PLC controller, which in turn connects to each device. The host computer allows operators to input start / stop commands and sends start / stop instructions to the PLC controller. The PLC controller has a pre-set control program that generates multiple control signals sequentially and sends them to each device. Each device executes its corresponding action in sequence, ultimately achieving automated control of the coating process. It should be explained that controlling the coordination and movement of each device is a common technique. Depending on the actual test, the specific parameters in different steps can be adjusted. The details of how the devices cooperate are not elaborated upon here.

[0085] The resin sand casting mold coating equipment provided in this application embodiment first hoists and fixes the casting mold on the pallet of the rotating placement device 2. Then, the track device 1 is activated, and the track device 1 drives the casting mold into the processing station via the rotating placement device 2. At this time, the casting mold is loaded. Subsequently, the displacement device 3 drives the spraying device 4 to move along the preset spraying trajectory. During this process, the spraying device 4 is activated simultaneously and sprays the coating evenly on the surface of the casting mold. After the spraying is completed, the displacement device 3 is activated again to move the spraying device 4 away to prevent the flame from spreading to the spraying device 4 and damaging it. Then, the ignition device 5 approaches the casting mold and ignites the coating. After the coating dries, the track device 1 moves the rotating placement device 2 away from the processing station, realizing the automated coating process.

[0086] The above coating process significantly reduces human intervention, thereby improving the automation level of the coating process and increasing coating efficiency, while also reducing harm to the human body.

[0087] Reference Figure 3 In order to provide flexible movement guidance for the spraying device 4 and the ignition device 5 in three-dimensional space, in some embodiments, the displacement device 3 includes a lifting linear module 31, a horizontal linear module 32 and a telescopic module 33.

[0088] The lifting linear module 31 is located on the ground, and the horizontal linear module 32 is located on the lifting linear module 31. The lifting linear module 31 is used to drive the horizontal linear module 32 to move up and down. The telescopic module 33 is located on the horizontal linear module 32. The lifting linear module 31 is used to drive the horizontal linear module 32 to move horizontally back and forth. The spraying device 4 and the ignition device 5 are located on the telescopic module 33. The telescopic module 33 drives the spraying device 4 and the ignition device 5 to alternately approach the rotating placement device 2 along the horizontal direction. The movement output direction of the telescopic module 33 is perpendicular to the movement output direction of the horizontal linear module 32.

[0089] Specifically, the lifting linear module 31 is used to output the reciprocating motion along the z-axis, the horizontal linear module 32 is used to output the reciprocating motion along the x-axis, and the telescopic module 33 is used to output the reciprocating motion along the y-axis.

[0090] In some embodiments, the lifting linear module 31 and the horizontal linear module 32 adopt a screw linear module structure or a belt linear module structure. It is understood that both screw linear modules and belt linear modules are common linear module structures. Both mainly output torque through a motor and then transmit power through modules such as screws or belts to drive the slide table to move back and forth. The specific structure of the two will not be described in detail here. At this time, both screw linear modules and belt linear modules can output reciprocating linear motion. Therefore, the specific model of the linear module can be selected according to actual needs. The specific type of linear module is not limited here.

[0091] To install the lifting linear module 31, a gantry bracket can be installed on the bottom surface, and the lifting linear module 31 can be set into two groups. The two groups of lifting linear modules 31 are installed at the two vertical bars of the gantry bracket along the vertical direction, thereby realizing the installation of the lifting linear module 31.

[0092] The horizontal linear module 32 is installed horizontally on the slide of the two sets of lifting linear modules 31. At this time, by activating the two sets of lifting linear modules 31 at the same time, the horizontal linear module 32 can be driven to move up and down. Furthermore, due to the adoption of the gantry structure, the load-bearing strength of the structure can be significantly improved.

[0093] Based on this, the slider of the horizontal linear module 32 is provided with a mounting bracket (not shown in the figure). The mounting bracket extends into the gantry bracket and can be set up using the internal space of the gantry bracket, thereby reducing structural interference and improving structural compactness. On this basis, the telescopic module 33 is installed on the mounting bracket and forms a hoisting outline. At this time, by setting the spraying device 4 and the ignition device 5 on the telescopic module 33, the installation of the structure is realized.

[0094] Based on the above settings, under the combined action of the lifting linear module 31, the horizontal linear module 32 and the telescopic module 33, the spraying device 4 and the ignition device 5 can be driven to move flexibly along the x-axis, y-axis and z-axis directions, so that the paint can be sprayed more comprehensively on the mold. In addition, due to the adoption of the gantry structure, the load-bearing stability of the structure can be significantly improved, and the motion output is more stable and precise.

[0095] In some specific embodiments, refer to Figure 4 The telescopic module 33 includes a telescopic motor 331, a telescopic gear 332, a first rack and pinion slider 333, and a second rack and pinion slider 334.

[0096] The telescopic motor 331 is mounted on the horizontal linear module 32, the telescopic gear 332 is fixedly mounted on the output shaft of the telescopic motor 331, the first rack and pinion slider 333 is slidably mounted on the horizontal linear module 32, the spraying device 4 is mounted on the first rack and pinion slider 333, the second rack and pinion slider 334 is slidably mounted on the horizontal linear module 32, the ignition device 5 is mounted on the second rack and pinion slider 334, the second rack and pinion slider 334 is parallel to the first rack and pinion slider 333, the telescopic gear 332 is located between the first rack and pinion slider 333 and the second rack and pinion slider 334, and the telescopic gear 332 meshes with the first rack and pinion slider 333 and the second rack and pinion slider 334 respectively.

[0097] Specifically, the telescopic motor 331 is selected from motor types that can output forward and reverse torque, such as servo motors or three-phase asynchronous motors. No restrictions are placed on the specific structure of the telescopic motor 331. Furthermore, the telescopic motor 331 is fixedly installed on the mounting bracket of the horizontal linear module 32, and the output shaft of the telescopic motor 331 is set vertically downward.

[0098] In addition, the telescopic gear 332 is fixedly installed on the output shaft of the telescopic motor 331. By driving the telescopic motor 331, the telescopic gear 332 can be rotated in the forward or reverse direction. At the same time, the first rack slider 333 and the second rack slider 334 have similar shapes. Taking the first rack slider 333 as an example, the first rack slider 333 includes a rod body. Multiple meshing teeth are opened on one side of the rod body along the length direction. At this time, a slide rail (not shown in the figure) is provided on the mounting bracket. The first rack slider 333 is provided with a slide groove. The slide groove extends along the length direction of the first rack slider 333. The first rack slider 333 is slidably installed on the slide rail through the slide groove.

[0099] Correspondingly, the second rack slider 334 is slidably mounted on the mounting bracket in the same way as the first rack slider 333. The meshing teeth on the first rack slider 333 and the meshing teeth on the second rack slider 334 are arranged opposite to each other. Both the first rack slider 333 and the second rack slider 334 extend along the y-axis direction, are parallel to each other, and move in the same direction.

[0100] Based on this, the spraying device 4 is installed on the first rack and pinion slider 333, the ignition device 5 is installed on the second rack and pinion slider 334, and the output shaft of the telescopic motor 331 extends between the first rack and pinion slider 333 and the second rack and pinion slider 334. At this time, the telescopic gear 332 is located between the first rack and pinion slider 333 and the second rack and pinion slider 334, and the two sides of the telescopic gear 332 are respectively connected to the first rack and pinion slider 333 and the second rack and pinion slider 334 through meshing teeth.

[0101] Based on the above configuration, since the telescopic motor 331 has the function of outputting positive or reverse torque, under the action of the first rack and pinion slider 333 and the second rack and pinion slider 334, the spraying device 4 and the ignition device 5 have the following states:

[0102] In the first state, when the telescopic motor 331 outputs positive torque to one side, it can drive the first rack slider 333 to extend towards the processing station, and correspondingly drive the second rack slider 334 to retract away from the processing station. At this time, the spraying device 4 can be extended to the side of the mold to realize the spraying function. In addition, it can also drive the ignition device 5 away from the mold to avoid erroneous ignition and ensure equipment safety.

[0103] In the second state, the telescopic motor 331 outputs reverse torque to the other side, driving the second rack slider 334 to extend towards the processing station. Correspondingly, it drives the first rack slider 333 to retract away from the processing station. At this time, it can drive the ignition device 5 closer to the mold for ignition, and also drive the spraying device 4 away from the mold to prevent the flame from igniting the residual paint on the spraying device 4, which can also play a role in protecting the safety of the equipment.

[0104] Therefore, by adopting the above configuration, the telescopic module 33 can not only drive the spraying device 4 and the ignition device 5 to move respectively, so that they can perform spraying and ignition actions respectively, but also restrict the two to staggered displacement, thereby improving structural safety. At the same time, by driving the two components to move through a single power source, the compactness of the structure can be optimized and the transmission efficiency can be improved.

[0105] Furthermore, referring to Figure 5 The spraying device 4 includes a stirring mechanism 41, an extension arm 42, a nozzle mechanism 43, and a conveying mechanism 44.

[0106] The stirring mechanism 41 has a feeding port and a discharging port. The stirring mechanism 41 is used to stir the composition into a coating. The extension arm 42 is horizontally arranged on the displacement device 3. The displacement device 3 drives the extension arm 42 to move in three-dimensional space. The nozzle mechanism 43 is arranged at the end of the extension arm 42. The conveying mechanism 44 is connected to the discharging port and the nozzle mechanism 43 respectively. It is used to draw the coating in the stirring mechanism 41 to the nozzle mechanism 43 so that the nozzle mechanism 43 sprays the coating to the mold.

[0107] Specifically, the stirring mechanism 41 has a stirring chamber inside. The coating matrix, ethanol and powder are fed into the stirring chamber through the feeding port. The stirring mechanism 41 stirs the components evenly inside the stirring chamber to form a coating.

[0108] In some embodiments, the stirring mechanism 41 can be located on the ground, while in other embodiments, the stirring mechanism 41 can be mounted on a mounting frame. In this case, compared with the option of setting it on the ground, setting it on a mounting frame can shorten the structural size of the conveying mechanism 44 and reduce the possibility of the conveying mechanism 44 being excessively stretched, thereby optimizing and improving structural stability.

[0109] Furthermore, the extension arm 42 has a straight rod-like profile, extends along the y-axis, and is fixedly connected to the first rack and pinion slider 333. When the first rack and pinion slider 333 slides, it drives the extension arm 42 to slide. Based on this, a nozzle mechanism 43 is installed at one end of the extension arm 42 near the processing station, and the conveying mechanism 44 has a suction function, capable of transporting the paint in the mixing chamber to the nozzle mechanism 43 through the discharge port. The nozzle mechanism 43 has an atomization function, using the pressure applied by the conveying mechanism 44 to atomize and spray the paint, thereby uniformly applying it to the surface of the mold.

[0110] By adopting the above configuration, the stirring mechanism 41 can centrally stir and shape the coating, while facilitating the storage of the coating and benefiting long-term processing operations. On this basis, the extension arm 42 can provide an installation position for the nozzle mechanism 43, and facilitate the nozzle mechanism 43 to enter the extension and approach the mold. At this time, under the action of the conveying mechanism 44, the coating can be stably conveyed to the nozzle mechanism 43, so that the nozzle mechanism 43 can stably coat the coating on the surface of the casting.

[0111] It should be added that, in order to install the ignition device 5, a mounting arm (not shown in the figure) can be further provided. The structure of the mounting arm is similar to that of the extension arm 42, and will not be described in detail here. The mounting arm extends along the y-axis and is fixedly installed on the second rack slider 334. At this time, the ignition device 5 is fixedly installed on the end of the mounting arm near the machining station to realize the installation of the ignition device 5.

[0112] Accordingly, based on the above configuration, the mounting arm serves to provide a mounting position for the ignition device 5 and facilitates the ignition device 5 to approach the mold, thus facilitating the ignition operation.

[0113] In some specific embodiments, refer to Figure 5 and Figure 6 The stirring mechanism 41 includes a stirring box 411, a stirring rod 412, and a stirring motor 413.

[0114] The discharge port and the feeding port are located on the mixing tank 411. The stirring rod 412 is rotatably mounted on the mixing tank 411 and located inside the mixing tank 411. The stirring motor 413 is mounted on the mixing tank 411 and connected to the stirring rod 412 to drive the stirring rod 412 to rotate.

[0115] Specifically, the mixing tank 411 is fixedly installed on the mounting frame, and a mixing chamber is formed inside the mixing tank 411. A cover plate is movably installed on the top of the mixing tank 411, and a feeding port is provided through the cover plate. A discharge port is provided through the side wall of the mixing tank 411. The user can put the various components of the paint into the mixing tank 411 according to the preset ratio through the feeding port. The conveying mechanism 44 is connected to the discharge port and is used to draw the paint away from the discharge port.

[0116] Furthermore, the stirring rod 412 has stirring blades, and the two ends of the stirring rod 412 are rotatably mounted on opposite sides of the mixing box 411 through bearing seats. A clearance opening is provided through one side of the mixing box 411, and the stirring blades pass through the clearance opening to the outside of the mixing box 411.

[0117] Based on this, the stirring motor 413 is fixedly installed on the outside of the mixing tank 411, and the output shaft of the stirring motor 413 can be connected to the end of the stirring rod 412 that extends out of the mixing tank 411 via a coupling. By starting the stirring motor 413, the stirring rod 412 can be driven to rotate.

[0118] Based on the above configuration, with the combined action of the mixing tank 411, the mixing rod 412, and the mixing motor 413, users only need to add the paint composition to achieve the automatic mixing and molding function of the paint, which is also convenient for large-scale storage of paint and helps to extend the working time of the equipment.

[0119] Furthermore, in some embodiments, reference is made to Figure 5 The conveying mechanism 44 includes an explosion-proof self-priming pump 441 and a transport pipeline 442.

[0120] The conveying mechanism 44 is located on the mixing mechanism 41 and its inlet is connected to the outlet. The explosion-proof self-priming pump 441 is connected to the spray head mechanism 43 and the mixing mechanism 41 respectively through the transport pipe 442. The explosion-proof self-priming pump 441 transports the paint to the spray head mechanism 43 through the transport pipe 442.

[0121] Specifically, the explosion-proof self-priming pump 441 is fixedly installed on the outer wall of the mixing tank 411, or it can also be fixedly installed on a mounting bracket or extension wall. No restrictions are placed on the specific installation location of the explosion-proof self-priming pump 441. Furthermore, the explosion-proof self-priming pump 441 has an inlet end and an outlet end. The explosion-proof self-priming pump 441 draws in paint through the inlet end and discharges paint through the outlet end.

[0122] The transport pipeline 442 includes a first section and a second section that are separate from each other. When the explosion-proof self-priming pump 441 is connected to the discharge port, the connection is mainly achieved through the first section. Specifically, the two ends of the first section can be connected to the inlet end of the explosion-proof self-priming pump 441 and the discharge port respectively through flange connection. On the same basis, the two ends of the second section can also be connected to the outlet end of the explosion-proof self-priming pump 441 and the nozzle mechanism 43 respectively through flange connection.

[0123] Based on the above configuration, the explosion-proof self-priming pump 441 has good transportation safety. Since the paint is a flammable liquid, it can significantly reduce the risk of fire. In addition, under the guidance of the transport pipeline 442, the paint can be efficiently transported to the nozzle mechanism 43, and the paint has high transportation efficiency.

[0124] Furthermore, in some embodiments, reference is made to Figure 7 The nozzle mechanism 43 includes a rotary table 431, an atomizing nozzle 432, and a drive assembly 433.

[0125] The rotary table 431 is rotatably mounted on the extension arm 42, the atomizing nozzle 432 is fixedly mounted on the rotary table 431 and connected to the conveying mechanism 44, and the drive assembly 433 is mounted on the extension arm 42 and connected to the rotary table 431 to drive the rotary table 431 to rotate so that the atomizing nozzle 432 has at least two spraying angles: a horizontal orientation and a vertical downward orientation.

[0126] Specifically, the rotary table 431 can be rotatably mounted on the end of the extension arm 42 by adding a bearing seat. It should be noted that the rotary table 431 rotates along a rotation axis O, and the rotation axis O is parallel to the y-axis direction. Therefore, when the rotary table 431 rotates, it rotates in a vertical plane.

[0127] Meanwhile, a first hollow channel (not shown in the figure) is provided inside the rotating platform 431. The atomizing head is installed on the outer periphery of the rotating platform 431 and communicates with the first hollow channel. Correspondingly, a second hollow channel communicating with the first hollow channel can be provided inside the extension arm 42. The transport pipe 442 passes through the extension arm 42 and the rotating platform 431 via the second hollow channel and the first hollow channel, and finally connects to the atomizing nozzle 432. By providing coating to the atomizing nozzle 432, the atomizing nozzle 432 can atomize the liquid.

[0128] Based on this, the drive assembly 433 is responsible for driving the rotary table 431 to rotate. Since the rotary table 431 rotates along the horizontal rotation axis O, and the atomizing nozzle 432 is located on the periphery of the rotary table 431, the atomizing nozzle 432 can also rotate along the rotation axis O in a vertical plane. During this process, the spraying direction of the atomizing nozzle 432 has two states:

[0129] In the first state, such as Figure 7 As shown, the atomizing nozzle 432 is set vertically downwards.

[0130] In the second state, the atomizing nozzle 432 is set vertically to the left or right in a horizontal direction.

[0131] It needs to be further explained that in large wind power products, such as wind turbine main shaft products, they usually need to be formed by combining a flat base mold and a column-shaped inner core mold. At this time, the casting surface of the base mold is usually a horizontal plane, but its periphery has a vertical inner wall that also needs to be sprayed, while the inner core mold needs to have the paint sprayed on the outer periphery of the inner core.

[0132] Based on the above configuration, with the rotary table 431, atomizing nozzle 432 and drive assembly 433 working together, the spraying angle can be changed by driving the atomizing nozzle 432 to rotate, thereby meeting the complex surface spraying requirements of large wind power castings.

[0133] Furthermore, in some embodiments, reference continues to be made to... Figure 7 The drive assembly 433 includes a drive motor 4331, a drive gear ring 4332, and a drive gear 4333. The drive motor 4331 is mounted on the extension arm 42, the drive gear ring 4332 is fixedly mounted on the rotary table 431, and the drive gear 4333 is fixedly mounted on the output shaft of the drive motor 4331 and meshes with the drive gear ring 4332.

[0134] Specifically, the drive motor 4331 can be a servo motor, without any specific restrictions. The drive motor 4331 is fixedly mounted on the extension arm 42. The rotary table 431 has a cylindrical structure and a circular outer circumferential surface to facilitate fixing the drive gear ring 4332 to the outer circumference of the rotary table 431.

[0135] Based on the above configuration, under the combined action of the drive motor 4331, the drive gear ring 4332, and the drive gear 4333, the drive motor 4331 drives the drive gear 4333 to rotate, the drive gear 4333 drives the drive gear ring 4332 to rotate, and the drive gear ring 4332 drives the rotary table 431 to rotate, thereby adjusting the spraying angle of the atomizing nozzle 432.

[0136] Furthermore, referring to Figure 1 In order to reduce the harmful gases produced during combustion, an exhaust device 6 is also included, which includes an exhaust hood 61, an exhaust fan 62, and an exhaust gas treatment mechanism 63.

[0137] The exhaust hood 61 is located above the rotating storage device 2, the exhaust fan 62 is located on the exhaust hood 61, and the exhaust gas treatment mechanism 63 is connected to the exhaust hood 61. The exhaust fan 62 is used to extract harmful gases from the exhaust hood 61 to the exhaust gas treatment mechanism 63.

[0138] Specifically, a frame can be installed on the bottom surface, and the exhaust hood 61 is fixedly installed on the frame and positioned above the processing station. When the paint burns, the harmful gases produced will rise and enter the exhaust hood 61.

[0139] At this time, the exhaust fan 62 is fixedly installed inside the exhaust hood 61. By starting the exhaust fan 62, harmful gases can be drawn into the exhaust hood 61. At this time, the exhaust hood 61 is connected to the waste gas treatment mechanism 63 through a pipe, and the waste can be transported to the waste treatment mechanism through the channel.

[0140] In addition, the waste treatment facility can be a combination of activated carbon adsorption device, catalytic combustion device and desulfurization and denitrification device. The activated carbon adsorption device can adsorb organic matter and some harmful gases in the waste gas, the catalytic combustion device can oxidize and decompose organic matter into harmless substances, and the desulfurization and denitrification device can remove sulfur dioxide and nitrogen oxides in the waste gas, thereby enabling the waste gas to be treated harmlessly.

[0141] Based on the above configuration, with the combined action of the exhaust hood 61, the exhaust fan 62, and the waste gas treatment mechanism 63, the waste gas can be collected and treated, thereby further reducing harm to the human body.

[0142] Furthermore, referring to Figure 1It also includes a fencing device 7, which includes multiple fencing panels connected in sequence, and the fencing panels are installed on the side of the processing station.

[0143] Understandably, the specific number of enclosure panels can be adjusted according to actual needs, such as two or three panels, and no specific restrictions are imposed here. In addition, the enclosure device 7 is arranged around the side of the processing station.

[0144] Based on the above setup, the enclosure device 7 can effectively block paint splashes, thereby preventing paint from splashing onto other areas of the processing site and further reducing fire hazards.

[0145] Therefore, the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A resin sand casting mold coating device, characterized in that, include: Track device (1), installed on the ground; A rotating placement device (2) is provided on the track device (1) and is used to place the mold and drive the mold to rotate. The track device (1) is used to drive the rotating placement device (2) to translate so that the rotating placement device (2) enters the processing station. The displacement device (3) is installed on the ground and is located adjacent to the processing station; A spraying device (4) is provided on the displacement device (3), the displacement device (3) drives the spraying device (4) to move, and the spraying device (4) is used to spray paint onto the surface of the mold. And an ignition device (5) is disposed on the displacement device (3), the displacement device (3) drives the ignition device (5) to move, the ignition device (5) is used to ignite the coating applied to the surface of the mold.

2. The resin sand casting mold coating equipment according to claim 1, characterized in that, The spraying device (4) includes: The stirring mechanism (41) has a feeding port and a discharging port for stirring the composition into a coating. An extension arm (42) is horizontally positioned on the displacement device (3), and the displacement device (3) drives the extension arm (42) to move in three-dimensional space; The nozzle mechanism (43) is disposed at the end of the extension arm (42); The conveying mechanism (44) is connected to the discharge port and the nozzle mechanism (43) respectively, and is used to pump the coating in the stirring mechanism (41) to the nozzle mechanism (43) so that the nozzle mechanism (43) sprays the coating to the mold.

3. The resin sand casting mold coating equipment according to claim 2, characterized in that, The stirring mechanism (41) includes: A mixing tank (411), wherein the discharge port and the feeding port are provided on the mixing tank (411); A stirring rod (412) is rotatably mounted on the stirring tank (411) and located inside the stirring tank (411); A stirring motor (413) is provided in the mixing tank (411) and connected to the stirring rod (412) for driving the stirring rod (412) to rotate.

4. The resin sand casting mold coating equipment according to claim 2, characterized in that, The conveying mechanism (44) includes: An explosion-proof self-priming pump (441) is installed in the stirring mechanism (41), and its inlet end is connected to the outlet. The explosion-proof self-priming pump (441) is connected to the nozzle mechanism (43) and the stirring mechanism (41) respectively through the transport pipe (442). The explosion-proof self-priming pump (441) transports the paint to the nozzle mechanism (43) through the transport pipe (442).

5. The resin sand casting mold coating equipment according to claim 2, characterized in that, The nozzle mechanism (43) includes: A rotating platform (431) is rotatably mounted on the extension arm (42); Atomizing nozzle (432) is fixedly installed on the rotary table (431) and connected to the conveying mechanism (44); And a drive assembly (433), disposed on the extension arm (42) and connected to the rotary table (431), for driving the rotary table (431) to rotate so that the atomizing nozzle (432) includes at least two spraying angles: a horizontal orientation and a vertical downward orientation.

6. The resin sand casting mold coating equipment according to claim 5, characterized in that: The driving component (433) includes: A drive motor (4331) is disposed on the extension arm (42); A drive gear ring (4332) is fixedly mounted on the rotary table (431); And a drive gear (4333), which is fixedly mounted on the output shaft of the drive motor (4331) and meshes with the drive gear ring (4332).

7. The resin sand casting mold coating equipment according to claim 1, characterized in that, The displacement device (3) includes: A lifting linear module (31) is installed on the ground; A horizontal linear module (32) is disposed on the lifting linear module (31), and the lifting linear module (31) is used to drive the horizontal linear module (32) to move up and down; And a telescopic module (33) is provided on the horizontal linear module (32). The lifting linear module (31) is used to drive the horizontal linear module (32) to move horizontally back and forth. The spraying device (4) and the ignition device (5) are provided on the telescopic module (33). The telescopic module (33) drives the spraying device (4) and the ignition device (5) to alternately approach the rotating placement device (2) in the horizontal direction. The movement output direction of the telescopic module (33) is perpendicular to the movement output direction of the horizontal linear module (32).

8. The resin sand casting mold coating equipment according to claim 7, characterized in that, The telescopic module (33) includes: A telescopic motor (331) is installed in the horizontal linear module (32); The telescopic gear (332) is fixedly mounted on the output shaft of the telescopic motor (331); The first rack and pinion slider (333) is slidably disposed on the horizontal straight module (32), and the spraying device (4) is disposed on the first rack and pinion slider (333); The second rack and pinion slider (334) is slidably disposed on the horizontal linear module (32). The ignition device (5) is disposed on the second rack and pinion slider (334) and parallel to the first rack and pinion slider (333). The telescopic gear (332) is located between the first rack and pinion slider (333) and the second rack and pinion slider (334), and the telescopic gear (332) meshes with the first rack and pinion slider (333) and the second rack and pinion slider (334) respectively.

9. The resin sand casting mold coating equipment according to claim 1, characterized in that, It also includes an air extraction device (6), which comprises: An exhaust hood (61) is disposed above the rotating storage device (2); An exhaust fan (62) is installed in the exhaust hood (61); And an exhaust gas treatment mechanism (63) connected to the exhaust hood (61), wherein the exhaust fan (62) is used to draw harmful gases from the exhaust hood (61) into the exhaust gas treatment mechanism (63).

10. The resin sand casting mold coating equipment according to claim 1, characterized in that, It also includes a fencing device (7), which includes multiple fencing panels connected in sequence, and the fencing panels are arranged around the side of the processing station.

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