Casting equipment and assembly line

Abstract

The embodiment of the utility model relates to the technical field of semiconductor preparation, and particularly discloses casting equipment and an assembly line, comprising a material spraying mechanism used for storing and spraying slurry; the conveying mechanism is arranged opposite to the spraying mechanism and is used for bearing and conveying the sprayed slurry; the projection of the blowing mechanism is at least partially overlapped with the conveying mechanism, and the blowing mechanism is used for blowing air to the two sides of the slurry so that the two sides of the slurry can be pre-cured; and the drying mechanism is arranged at the tail section of the conveying mechanism, is adjacent to the blowing mechanism, and is used for curing and shaping the slurry passing through the blowing mechanism. According to the embodiment of the utility model, the slurry on the conveying mechanism of the casting equipment can be pre-cured before entering the drying device, so that burrs on the edges of the two sides of the slurry are avoided.

Description

Technical Field

[0001] The embodiments of the present utility model relate to the technical field of semiconductor manufacturing, and particularly to a casting device and an assembly line. Background Art

[0002] MLCC (Multi-layer Ceramic Capacitors) is an essential basic component in the electronics industry. In the preparation process of MLCC, a dielectric film is required as a substrate to carry the conductive layer, and the dielectric film is usually prepared by a casting device.

[0003] In the process of implementing the present utility model, the inventors found that: currently, the existing casting device includes a spraying mechanism, a conveying mechanism, and a drying mechanism. The spraying mechanism, the conveying mechanism, and the drying mechanism are arranged in sequence. When preparing the dielectric film, the spraying mechanism sprays the slurry onto the conveying mechanism, and after being dried by the drying mechanism, a dielectric film is formed for subsequent printing of the conductive layer. When the solvent and moisture in the slurry of the semi-finished thin film on the conveying mechanism are dried by the drying mechanism, due to the certain flow characteristics of the slurry itself and the relatively high temperature in the drying mechanism, the curing speed at the edge position of the semi-finished thin film is relatively fast, which is likely to generate large internal stresses. The edge of the semi-finished thin film is relatively thinner than the middle region, and the internal stress concentration at the edge is obvious, which is likely to form burrs. Summary of the Utility Model

[0004] The main technical problem to be solved by the embodiments of the present utility model is to provide a casting device that can reduce the burrs formed during the curing process of the sprayed slurry in the drying mechanism.

[0005] To solve the above technical problem, a technical solution adopted by the present utility model is: providing a casting device, including: a spraying mechanism for storing and spraying the slurry; a conveying mechanism oppositely arranged with the spraying mechanism for carrying and transferring the sprayed slurry; a blowing mechanism, the projection of the blowing mechanism at least partially overlapping with the conveying mechanism, the blowing mechanism for blowing air on both sides of the slurry to pre-cure both sides of the slurry; a drying mechanism arranged at the tail section of the conveying mechanism and adjacent to the blowing mechanism, the drying mechanism for curing and shaping the slurry that has passed through the blowing mechanism.

[0006] Optionally, the blowing mechanism includes a blowing component and a nozzle, and the blowing component and the nozzle are connected in sequence.

[0007] Optionally, the blowing mechanism includes a heating component, and the heating component is arranged between the blowing component and the nozzle for heating the air flow blown out by the blowing component.

[0008] Optionally, the air blowing mechanism further includes a purification component, which is arranged between the air blowing component and the heating component and is used to purify the air flow blown out by the air blowing component.

[0009] Optionally, the number of the nozzles is at least two, and at least two nozzles are arranged on both sides of the conveying mechanism; the air blowing mechanism further includes a gas distribution component, which is arranged between the heating component and at least two nozzles. The gas distribution component is provided with an air inlet and at least two air outlets. The air inlet is connected to the heating component, and one nozzle is communicated with one air outlet. The gas distribution component is used to divide the air flow heated by the heating component into at least two nozzles.

[0010] Optionally, the air blowing mechanism further includes a temperature detector, which is arranged between the heating component and the gas distribution component and is used to detect the temperature of the air flow heated by the heating component.

[0011] Optionally, the gas distribution component includes a distribution main body and clamping rods. The at least two air outlets are arranged on the distribution main body, and at least two nozzles are detachably connected to the at least two air outlets respectively through the clamping rods.

[0012] Optionally, the material spraying mechanism includes a material bin, a filter, a pump and a coating spray head. The material bin, the pump, the filter and the coating spray head are connected in sequence, and the material spraying port of the coating spray head faces the conveying mechanism.

[0013] Optionally, the conveying mechanism includes a bracket, a driving component, a conveying base belt and a roller shaft component. The roller shaft component is rotatably arranged on the bracket, the conveying base belt is wound around the roller shaft component, and the driving component is connected to at least one roller shaft in the roller shaft component. The driving component is used to drive at least one roller shaft in the roller shaft component to rotate so as to drive the conveying base belt to move.

[0014] To solve the above technical problems, another technical solution adopted by the present utility model is: to provide an assembly line, including the above-mentioned casting equipment.

[0015] The beneficial effects of the embodiments of the present utility model are as follows: Different from the prior art, the embodiments of the present utility model provide a casting device including a material spraying mechanism, a conveying mechanism, a blowing mechanism, and a drying mechanism. The conveying mechanism is disposed opposite to the material spraying mechanism and is used for carrying and transferring the sprayed slurry. The projection of the blowing mechanism at least partially overlaps with the conveying mechanism, and the blowing mechanism is used for blowing the slurry to pre-cure the slurry. The drying mechanism is disposed at the tail section of the conveying mechanism and is adjacent to the blowing mechanism, and is used for curing and shaping the slurry that has passed through the blowing mechanism. Before the slurry enters the curing and shaping process, the two sides of the slurry are preliminarily cured to form a dense "hard shell layer". This "hard shell layer" can effectively limit the flow and deformation inside the slurry, improve the ability to resist internal stress, and thus avoid the formation of burrs when the subsequent slurry enters the drying mechanism for curing and shaping. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the drawings.

[0017] Figure 1 It is a schematic diagram of the casting device provided by the embodiments of the present utility model;

[0018] Figure 2 It is a schematic diagram of the blowing assembly provided by the embodiments of the present utility model. Detailed Embodiments

[0019] To facilitate the understanding of the present utility model, the present utility model will be described in more detail below with reference to the drawings and specific embodiments. It should be noted that when an element is expressed as "fixed to" another element, it can be directly on the other element, or there can be one or more intermediate elements therebetween. When an element is expressed as "connected to" another element, it can be directly connected to the other element, or there can be one or more intermediate elements therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this specification are only for the purpose of illustration.

[0020] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used in this specification in the description of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.

[0021] Existing casting equipment usually includes the most basic slurry spraying mechanism, conveying mechanism, and drying mechanism. Here, the working principle of the casting equipment is briefly described: The spraying equipment sprays the prepared slurry onto the conveying mechanism, which carries and transfers the slurry, and then uses the drying mechanism to dry the slurry carried on the conveying mechanism, so that the solvent and moisture in the slurry volatilize, and a dielectric film for manufacturing MLCC capacitors can be obtained. However, in the preparation process of this dielectric film, burrs often appear at the edges of the slurry due to factors such as the viscosity and fluidity of the slurry, impurities that may be contained in the slurry, the nozzle design of the spraying mechanism, and stress concentration caused by uneven curing temperature during the curing process of the slurry, which affects the subsequent printing and stacking process of MLCC capacitor preparation.

[0022] In this embodiment, assuming that other factors are ideal conditions and only considering the problem of stress concentration caused by uneven curing temperature during the curing process of the slurry, it can be understood that the slurry sprayed by the spraying device presents a film shape. During the curing and shaping process of this film-shaped slurry in the drying mechanism, due to the influence of the objectively existing gravity, fluidity, and surface tension of the slurry on both sides of the film, the slurry thickness on both sides is significantly thinner than that in the middle area. The closer to the edge area on both sides, the thinner the slurry thickness. And in the drying mechanism, the drying conditions provided by the drying mechanism are the same. When slurries with different thicknesses are cured at the same time, the required curing temperature and required curing time are different. And the drying temperature in the drying mechanism is generally relatively high, so that burrs are formed due to stress concentration at the edge positions on both sides of the film-shaped slurry, affecting the subsequent printing and stacking process of the dielectric film.

[0023] To solve the above problems, the present utility model provides a casting equipment 1000. Please refer to Figure 1 , the casting equipment 1000 includes a spraying mechanism 1, a blowing mechanism 2, a conveying mechanism 3, and a drying mechanism 4. The spraying mechanism 1 is used for storing and spraying the slurry. The spraying mechanism 1 is disposed opposite to the conveying mechanism 3. The conveying mechanism 3 is used for carrying and transferring the sprayed slurry; the projection of the blowing mechanism 2 at least partially overlaps with the conveying mechanism 3, so as to ensure that the working area of the blowing mechanism 2 can cover the conveying mechanism 3, so as to blow air on both sides of the slurry on the conveying mechanism 3 to perform pre-curing treatment on both sides of the slurry; the drying mechanism 4 is disposed at the tail section of the conveying mechanism 3 and is adjacent to the blowing mechanism 2. The drying mechanism 4 is used for curing and shaping the slurry that has passed through the blowing mechanism 2. By pre-curing the slurry sprayed by the spraying mechanism 1 on the conveying mechanism 3 through the blowing mechanism 2 to form a "hard shell layer", this "hard shell layer" can effectively relieve the internal stress generated by the film-shaped slurry in the drying mechanism 4 and avoid the formation of burrs on both sides of the film-shaped slurry.

[0024] It should be noted that in this embodiment, the spraying mechanism 1, the conveying mechanism 3, the blowing mechanism 2, and the drying mechanism 4 are connected through pipelines. The length, thickness, and material of the pipelines are set according to actual requirements. Different pipelines can be selected for connection in different construction environments, and no further examples will be given in this embodiment. Moreover, for the sake of simplifying the structure, the pipelines are not shown in the drawings of this application.

[0025] For the above-mentioned spraying mechanism 1, please refer to Figure 1 , the spraying mechanism 1 includes a material bin 11, a filter 13, a pump 12, and a coating nozzle 14. The material bin 11, the pump 12, the filter 13, and the coating nozzle 14 are connected in sequence, and the spraying port of the coating nozzle 14 faces the conveying mechanism 3 so that the slurry can be sprayed onto the conveying mechanism 3 through the spraying port of the coating nozzle 14 in the required direction and position. Among them, the pump 12 is used to provide power for the flow of the slurry, and the filter 13 is used to filter the impurities existing in the slurry to ensure the quality of the film after curing and shaping. Briefly describe the working logic. The material bin 11 is used to store the slurry. After the slurry is pressurized and transported by the pump 12, the possible impurities inside are filtered by the filter 13, and finally sprayed out through the coating nozzle 14.

[0026] For the above-mentioned blowing mechanism 2, it can be understood that the main function of the blowing mechanism 2 is to assist the volatilization of the solvent and moisture in the slurry. And in order to implement the pre-curing measures for both sides of the slurry on the conveying mechanism 3 in this embodiment, the structure of the blowing assembly 21 needs to be set as follows:

[0027] In some embodiments, please refer to Figure 2 , the blowing mechanism 2 includes a blowing assembly 21 and a nozzle 22. The blowing assembly 21 and the nozzle 22 are connected in sequence. The blowing assembly 21 is used to provide a continuous airflow, and the blowing assembly 21 should be able to achieve instantaneous response for starting and stopping so that the blowing device can cooperate with the starting and stopping of the spraying mechanism 1 when it needs to work. The nozzle 22 is assembled on the blowing mechanism 2, and the nozzle 22 is used to control the direction, angle, and shape of the airflow blown out by the blowing assembly 21.

[0028] It can be understood that the blowing assembly 21 includes but is not limited to an air pump, an air compressor, a gas storage device, etc. In this embodiment, preferably, the blowing assembly 21 is an air pump and its supporting control device. The control device is used to control the working state of the air pump, including but not limited to the starting and stopping of the air pump, the working time, the output power, etc.

[0029] It can be understood that when the working state of the air blowing assembly 21 is fixed, the structural design of the nozzle 22 to a certain extent determines the shape and flow velocity of the ejected air flow. For example, when the cross-sectional shape of the nozzle 22 is circular, the nozzle 22 is suitable for jetting air to a specified orientation or area, while when the cross-sectional shape of the nozzle 22 is strip-shaped, the air flow ejected by the nozzle 22 presents a wide river-like shape, and the nozzle 22 is used for jetting air to a wide area; moreover, it should be noted that the difference between the cross-sectional area of the nozzle 22 and the cross-sectional area of the air flow output by the air blowing assembly 21 affects the wind speed of the air flow finally output to the slurry. According to the "Venturi Effect", that is, when a fluid flows in a pipe, if the cross-sectional area of a certain part of the pipe suddenly becomes smaller, the flow velocity of the fluid will increase, and at the same time the pressure will decrease. This effect is manifested in the nozzle 22 as that when air passes through the narrow channel of the nozzle 22, its flow velocity increases, thereby forming a high-speed air flow at the outlet of the nozzle 22. Therefore, in this embodiment, the cross-sectional area of the nozzle 22 can be adjusted so that the flow velocity of the air flow output by the nozzle 22 meets the actual requirements, and the flow direction of the air flow can also be changed by adjusting the angle of the nozzle 22. For example, in order to save costs, when a small-power air pump is used, the flow velocity of the air flow provided by the air pump does not meet the actual requirements, and a nozzle 22 with a smaller cross-sectional area relative to the first air outlet port 211 of the air pump can be adopted to increase the flow velocity of the air flow output from the air outlet. Or when it is necessary to output air flows to different regions, the air flow passing through the first air outlet port 211 is split, and the flow velocity of the split air flow will decrease. Nozzles 22 with a smaller cross-sectional area relative to each air outlet can be arranged at different first air outlet ports 211 to meet the actual requirements.

[0030] The drying mechanism 4 in the preparation process of the dielectric film of the MLCC capacitor is to evaporate the solvent and moisture in the slurry. Therefore, it can be considered to heat the air flow output from the air blowing mechanism 2 to accelerate the volatilization rate of the solvent and moisture. In some embodiments, please refer to Figure 2 , the air blowing mechanism 2 includes a heating assembly 23, and the heating assembly 23 is arranged between the air blowing assembly 21 and the nozzle 22 for heating the air flow blown out by the air blowing assembly 21.

[0031] It can be understood that the heating assembly 23 includes a housing 231 and a heating tube 232. The housing 231 is provided with a ventilation cavity 2311, a first air inlet port 2312 and a second air outlet port 2313. Both the second air outlet port 2313 and the first air inlet port 2312 are communicated with the ventilation cavity 2311, and the first air inlet port 2312 is connected to the air blowing assembly 21, and the second air outlet port 2313 is connected to the nozzle 22. The heating tube 232 is received in the ventilation cavity 2311 to heat the air entering the ventilation cavity 2311.

[0032] To prevent impurities in the air from being blown onto the slurry by the blowing mechanism 2 and affecting the printing and stacking of the dielectric diaphragm after curing and shaping, in some embodiments, refer to Figure 2 , the blowing mechanism 2 includes a purification component 24. The purification component 24 is arranged between the blowing component 21 and the heating component 23 and is used to purify the air flow blown out by the blowing component 21. Or the purification component 24 is arranged at the air inlet port of the blowing component 21, so as to purify the air at the air inlet source and improve the service life of the blowing component 21.

[0033] Specifically, the purification component 24 includes a filter cotton, a filter housing and a regulating valve. The filter housing is provided with a filter cavity. The filter cotton is accommodated in the filter cavity. The regulating valve is arranged on the filter housing and is connected to the filter cavity and the filter cotton. The regulating valve is used to control the flow rate and pressure of the outside air passing through the filter cotton.

[0034] It should be noted that the filtration accuracy of the purification component 24 is selected according to the actual working scenario requirements, and no further examples will be given in this embodiment.

[0035] In order to blow air on the slurries carried on both sides of the conveying mechanism 3, it can be imagined that multiple blowing mechanisms 2 are used to blow air on different sides of the slurries respectively. Or from the perspective of low cost, an air flow distribution component is used to split the air flow output by the blowing component 21, so that the split air flow can blow on both sides of the slurries. In some embodiments, preferably, the low-cost solution is adopted. Specifically as follows:

[0036] Preferably, the number of nozzles 22 is at least two, and at least two nozzles 22 are arranged on both sides of the conveying mechanism 3; and the blowing mechanism 2 further includes a gas distribution component 25. The gas distribution component 25 is arranged between the heating component 23 and at least two nozzles 22. The gas distribution component 25 is provided with an air inlet and at least two air outlets. The air inlet is connected to the heating component 23, that is, the air inlet is connected to the second air outlet port 2313 of the heating component 23. One nozzle 22 is communicated with one air outlet. The gas distribution component 25 is used to split the air flow heated by the heating component 23 to at least two nozzles 22.

[0037] It can be understood that at least two air paths are arranged inside the gas distribution component 25. At least two air paths are communicated with the air inlet. One air path is communicated with one air inlet. At least two air paths are used to cooperate with at least two nozzles 22, so that the air flow entering the gas distribution component 25 is split by the air paths.

[0038] In order to detect the temperature of the air flow and control the temperature of the air flow to meet the requirements, in some preferred embodiments, the air blowing mechanism 2 further includes a temperature detector 26. The temperature detector 26 is arranged between the heating component 23 and the gas distribution component 25 and is used to detect the temperature of the air flow heated by the heating component 23. The temperature detector 26 generates corresponding data and displays it to the user or transmits it to an external control device, so that the user or the control device can adjust the heating power of the heating component 23 to ensure that the pre-curing of the slurry meets the expectations.

[0039] It should be noted that the pre-curing temperature of the casting device 1000 needs to be determined according to the actual spraying thickness of the slurry, and the pre-curing temperature should be significantly lower than the drying temperature set by the subsequent drying mechanism 4. The drying time should be less than or equal to the drying time set by the subsequent drying mechanism 4. Since the parameter settings of the casting device 1000 are jointly determined by factors such as the material of the slurry, the viscosity of the slurry, the fluidity of the slurry, and the spraying thickness of the slurry, specific examples are not given one by one in this embodiment.

[0040] It can be understood that the high-temperature air flow heated by the heating component 23 will have a certain destructive effect on pipes connected by ordinary plugging or clamps. And the nozzle 22, as a device for changing the flow rate and direction of the air flow, its connection with the distribution component should be firm enough to avoid deformation or detachment due to high temperature during long-term use. In some embodiments, the nozzle 22 is connected to the gas distribution component 25 through a clamping rod 252. Specifically, the gas distribution component 25 includes a distribution main body 251 and a clamping rod 252. At least two air outlets are arranged on the distribution main body 251, and at least two nozzles 22 are detachably connected to at least two air outlets through the clamping rod 252 respectively. The detachable connection method enables the nozzle 22 and the like to be independent of the gas distribution component 25 as separate components. When there is a need to replace or upgrade the nozzle 22, it can be replaced conveniently. Of course, the nozzle 22 and the gas distribution component 25 can also be integrally formed.

[0041] Specifically, the above-mentioned detachable connection method is that the distribution main body 251 is provided with a plug-in groove, the nozzle 22 is provided with a plug-in part, the clamping rod 252 is rotatably arranged at the notch of the plug-in groove, and the part of the clamping rod 252 rotatably arranged at the notch of the plug-in groove is a hemispherical rotating part. One side of the hemispherical shape is flush with the edge of the notch of the plug-in groove, which does not affect the insertion of the plug-in part into the plug-in groove. When the other side of the plug-in groove rotates to the upper part of the notch, it partially covers the notch of the plug-in groove. When the plug-in part is received in the plug-in groove, the clamping rod 252 is rotated to drive the rotating part to rotate, and the other side of the rotating part abuts against the plug-in part so that the plug-in part cannot move in the plug-in groove.

[0042] It should be noted that the shape and size of the nozzle 22 can be selected and matched according to actual needs, not limited to the same nozzle 22. In this embodimentFigure 2 Two different nozzles 22 are adopted to adapt to different installation spaces and operating environments.

[0043] For the above-mentioned conveying mechanism 3, please refer to Figure 1 , the conveying mechanism 3 includes a bracket 31, a driving component (not shown in the figure), a conveying baseband 32 and a roller assembly 33. The roller assembly 33 is rotatably arranged on the bracket 31. The conveying baseband 32 is wound around the roller assembly 33. The driving component is connected to at least one roller in the roller assembly 33. The driving component is used to drive at least one roller in the roller assembly 33 to rotate, so as to drive the conveying baseband 32 to move.

[0044] It can be understood that the rollers are used to adjust the rotation direction and tension of the baseband. The arrangement position of the rollers and the winding method of the conveying baseband 32 on the roller assembly 33 need to be arranged in combination with the actual working site and the required conveying position of the baseband. There are various layout methods, and they will not be exemplified one by one in this embodiment.

[0045] For the above-mentioned drying mechanism 4, please refer to Figure 1 The drying mechanism 4 includes a drying chamber and a drying component. The drying component is used to provide sufficient heat for the drying chamber. The drying component is arranged in the drying chamber, and at least part of the conveying mechanism 3 is located in the drying chamber, so that the slurry carried by the conveying mechanism 3 can be dried by the drying component for curing and shaping.

[0046] In the embodiment of the present utility model, the casting device 1000 includes a spraying mechanism 1, a conveying mechanism 3, a blowing mechanism 2 and a drying mechanism 4. The spraying mechanism 1 is arranged opposite to the conveying mechanism 3. The spraying mechanism 1 is used for storing and spraying the slurry. The conveying mechanism 3 is used for carrying and transferring the sprayed slurry. And the projection of the blowing mechanism 2 at least partially overlaps with the conveying mechanism 3, so that at least part of the working area of the blowing mechanism 2 falls on the conveying mechanism 3. The drying mechanism 4 is arranged at the tail section of the conveying mechanism 3 and is adjacent to the blowing mechanism 2. The drying mechanism 4 is used for curing and shaping the slurry that has passed through the blowing mechanism 2. Through the above structure, the spraying mechanism 1 sprays the slurry onto the conveying mechanism 3. The conveying mechanism 3 conveys the carried slurry to the blowing mechanism 2. The surface of the slurry is pre-cured by the blowing mechanism 2 to form a "hard shell layer", avoiding the generation of burrs on both sides of the slurry due to internal stress or different curing times. Finally, the drying mechanism 4 completes the curing and shaping of the slurry.

[0047] The present utility model also provides a pipeline embodiment, including the above-mentioned casting device 1000. For the specific structure and function of the casting device 1000, please refer to the above embodiment and will not be introduced one by one.

[0048] It should be noted that the description and drawings of the present utility model have given preferred embodiments of the present utility model. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described in this specification. These embodiments do not serve as additional limitations to the content of the present utility model. The purpose of providing these embodiments is to make the understanding of the disclosed content of the present utility model more thorough and comprehensive. Moreover, the above-mentioned technical features continue to be combined with each other to form various embodiments not listed above, which are all regarded as within the scope described in the description of the present utility model; further, for those of ordinary skill in the art, improvements or transformations can be made according to the above description, and all such improvements and transformations should fall within the protection scope of the appended claims of the present utility model.

Claims

1. A casting device, characterized in that, Comprising: A material spraying mechanism for storing and spraying slurry; A conveying mechanism oppositely arranged with the material spraying mechanism for carrying and transferring the sprayed slurry; A blowing mechanism, the projection of which at least partially overlaps with the conveying mechanism, and the blowing mechanism is used for blowing air on both sides of the slurry to pre-cure both sides of the slurry; A drying mechanism arranged at the tail section of the conveying mechanism and adjacent to the blowing mechanism, and the drying mechanism is used for curing and shaping the slurry that has passed through the blowing mechanism.

2. The casting equipment according to claim 1, characterized in that The blowing mechanism includes a blowing component and a nozzle, and the blowing component and the nozzle are sequentially communicated.

3. The casting equipment according to claim 2, characterized in that The blowing mechanism includes a heating component arranged between the blowing component and the nozzle for heating the air flow blown out by the blowing component.

4. The casting equipment according to claim 3, characterized in that The blowing mechanism further includes a purification component arranged between the blowing component and the heating component for purifying the air flow blown out by the blowing component.

5. The casting equipment according to claim 4, characterized in that The number of the nozzles is at least two, and at least two nozzles are arranged on both sides of the conveying mechanism; The blowing mechanism further includes a gas distribution component arranged between the heating component and at least two nozzles, the gas distribution component is provided with an air inlet and at least two air outlets, the air inlet is connected to the heating component, and one nozzle is communicated with one air outlet, and the gas distribution component is used for splitting the air flow heated by the heating component to at least two nozzles.

6. The casting equipment according to claim 5, characterized in that The blowing mechanism further includes a temperature detector arranged between the heating component and the gas distribution component for detecting the temperature of the air flow heated by the heating component.

7. The casting equipment according to claim 5, characterized in that The gas distribution component includes a distribution main body and a clamping rod, and at least two air outlets are arranged on the distribution main body, and at least two nozzles are detachably connected to at least two air outlets respectively through the clamping rod.

8. The casting equipment according to any one of claims 1-7, characterized in that The material spraying mechanism includes a material bin, a filter, a pump and a coating nozzle, the material bin, the pump, the filter and the coating nozzle are sequentially connected, and the spraying port of the coating nozzle faces the conveying mechanism.

9. The casting equipment according to any one of claims 1-7, characterized in that The conveying mechanism includes a bracket, a driving component, a conveying base belt and a roller shaft component, the roller shaft component is rotatably arranged on the bracket, the conveying base belt is wound around the roller shaft component, the driving component is connected to at least one roller shaft of the roller shaft component, and the driving component is used for driving at least one roller shaft of the roller shaft component to rotate so as to drive the conveying base belt to move.

10. An assembly line, characterized in that, Including the casting device according to any one of claims 1-9.

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