Sand core surface coating drying device

Abstract

The utility model discloses a sand core surface coating drying device which comprises a base, a rotary table assembly, a plurality of supporting assemblies, a plurality of first heat radiation assemblies, a plurality of second heat radiation assemblies, a controller and a temperature sensor. The plurality of first heat radiation assemblies and the plurality of second heat radiation assemblies are respectively arranged on the corresponding supporting assemblies; the controller is arranged on one supporting assembly; the temperature sensor is arranged on one of the first heat radiation assemblies, and the controller is connected with the temperature sensor, the first heat radiation assemblies and the second heat radiation assemblies. Therefore, uniform heat radiation drying can be carried out on the sand core, secondary heating is carried out on the sand core through air waste heat after radiation, the drying efficiency of the sand core is improved, in addition, the whole device can change according to the shape of the sand core, storage and movement are convenient, the workshop space is saved, and the workshop utilization rate and the productivity are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sand core surface drying, in particular to a sand core surface coating drying device. Background Art

[0002] Large wind power castings are usually cast with furan resin sand. In order to improve the surface quality of the castings and solve the problem of sand sticking to the casting surface, a layer of refractory coating needs to be applied on the surface of the sand after the casting is started. The coating is attached in various ways, including flow coating, spray coating and brush coating.

[0003] Since the molding sand is composed of sand core and sand mold, the opposite surfaces of the sand core and the sand mold need to be coated with refractory coating. After coating, the refractory coating needs to be dried. The commonly used drying method is to transport the entire molding sand to the drying equipment (drying room), and by increasing the temperature inside the drying room, the moisture on the surface of the sand core and the sand mold is evaporated to achieve the drying effect.

[0004] However, this drying method has the problems of low thermal energy utilization and high energy consumption. As the size and tonnage of castings increase, the size of the molding sand also increases accordingly, so a larger drying room needs to be built, which increases investment costs, occupies plant space, and reduces production efficiency. Utility Model Content

[0005] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0006] To this end, one purpose of the utility model is to propose a sand core surface coating drying device, which can evenly dry the sand core by thermal radiation, and use the residual heat of the air after radiation to reheat the sand core, thereby improving the drying efficiency of the sand core. In addition, the entire device can be changed according to the shape of the sand core, which is convenient for storage and movement, thereby saving factory space, reducing equipment investment, and improving factory utilization and production capacity.

[0007] To achieve the above-mentioned purpose, the first aspect of the utility model proposes a sand core surface coating drying device, comprising a base, a turntable assembly, a plurality of support assemblies, a plurality of first heat radiation assemblies, a plurality of second heat radiation assemblies, a controller and a temperature sensor, wherein the turntable assembly is rotatably arranged above the base, and a sand core is arranged on the turntable assembly; a plurality of the support assemblies are annularly arranged around the sand core, and two adjacent support assemblies are connected by connecting rods; a plurality of the first heat radiation assemblies and a plurality of the second heat radiation assemblies are respectively arranged on the corresponding support assemblies; the controller is arranged on one of the support assemblies; the temperature sensor is arranged on one of the first heat radiation assemblies, wherein the controller is respectively connected to the temperature sensor, the first heat radiation assembly and the second heat radiation assembly.

[0008] The sand core surface coating drying device of the utility model can perform uniform thermal radiation drying on the sand core through the mutual cooperation of the first thermal radiation component, the second thermal radiation component and the turntable component, and can perform secondary heating on the sand core by utilizing the residual heat of the air after radiation, thereby improving the drying efficiency of the sand core. In addition, the entire device can be changed according to the shape of the sand core and is easy to move. The entire device can be moved out of the production area when idle, thereby saving plant space, reducing equipment investment, and improving plant utilization and production capacity.

[0009] In addition, the sand core surface coating drying device proposed in the application may also have the following additional technical features:

[0010] Specifically, the turntable assembly includes a turntable and a plurality of support platforms, wherein the turntable is rotatably arranged above the base via a support shaft; and the plurality of support platforms are evenly distributed on the upper surface of the turntable.

[0011] Specifically, the support assembly includes a base frame, a support frame and a reinforcement frame, wherein a plurality of universal wheels are provided at the bottom of the base frame; the support frame is vertically arranged on the base frame, and the two ends of the connecting rod are respectively connected to the support frame; a cross beam is installed on the upper surface of the base frame, and the two ends of the reinforcement frame are respectively connected to the support frame and the cross beam, and the controller is arranged on the cross beam.

[0012] Specifically, the first heat radiation component includes a first protective cover, a first mounting plate and a plurality of first infrared lamp tubes, wherein the first protective cover is mounted on the supporting frame; the first mounting plate is arranged inside the first protective cover, and the temperature sensor is embedded and mounted on the first mounting plate; the plurality of first infrared lamp tubes are evenly distributed on the opposite surfaces of the first mounting plate and the sand core.

[0013] Specifically, the second heat radiation assembly includes a second protective cover, a second mounting plate and a plurality of second infrared lamp tubes, wherein the second protective cover is rotatably disposed on the base frame; the second mounting plate is disposed inside the second protective cover; and the plurality of second infrared lamp tubes are evenly distributed on the second mounting plate.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0016] Figure 1 This is a structural schematic diagram of a sand core surface coating drying device according to an embodiment of the utility model;

[0017] Figure 2 It is a rear view of a device for drying the surface coating of a sand core according to an embodiment of the utility model.

[0018] As shown in the figure: 1. Base; 2. Turntable assembly; 3. Support assembly; 4. First heat radiation assembly; 5. Second heat radiation assembly; 6. Controller; 7. Temperature sensor; 8. Universal wheel; 9. Sand core; 10. Connecting rod; 11. Support shaft; 20. Turntable; 21. Support platform; 30. Base frame; 31. Support frame; 32. Reinforcement frame; 33. Crossbeam; 40. First protective cover; 41. First mounting plate; 42. First infrared lamp; 50. Second protective cover; 51. Second mounting plate; 52. Second infrared lamp. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limitations on the present invention. On the contrary, the embodiments of the present invention include all changes, modifications, and equivalents that fall within the spirit and connotation of the appended claims.

[0020] The device for drying the surface coating of a sand core according to an embodiment of the utility model will be described below in conjunction with the accompanying drawings.

[0021] like Figure 1 to Figure 2 As shown, the sand core surface coating drying device of the embodiment of the utility model may include a base 1, a turntable assembly 2, multiple support assemblies 3, multiple first heat radiation assemblies 4, multiple second heat radiation assemblies 5, a controller 6 and a temperature sensor 7.

[0022] The turntable assembly 2 is rotatably arranged above the base 1 , and a sand core 9 is provided on the turntable assembly 2 . A plurality of support assemblies 3 are annularly arranged around the sand core 9 , and two adjacent support assemblies 3 are connected via a connecting rod 10 .

[0023] It should be noted that the turntable assembly 2 described in this embodiment can suspend the sand core 9 to facilitate drying the bottom of the sand core 9. The turntable assembly 2 can also drive the sand core 9 to rotate so that the sand core 9 can be heated evenly, thereby improving the drying efficiency of the sand core 9.

[0024] Furthermore, the sand core 9 described in the above embodiment is arranged in a space formed by a plurality of support assemblies 3, and the number of the support assemblies 3 is variable so as to be adjusted according to the size and demand of the sand core to be dried.

[0025] A plurality of first heat radiation components 4 and a plurality of second heat radiation components 5 are respectively arranged on corresponding support components 3, a controller 6 is arranged on one of the support components 3, and a temperature sensor 7 is arranged on one of the first heat radiation components 4, wherein the controller 6 is respectively connected to the temperature sensor 7, the first heat radiation component 4 and the second heat radiation component 5.

[0026] It should be noted that the first heat radiation component 4 described in this embodiment can emit infrared rays to the curved outer wall of the sand core 9, and the second heat radiation component 5 can emit infrared rays to the bottom of the sand core 9. When the sand core 9 receives the infrared rays, the molecules on the surface of the sand core 9 will vibrate, causing its temperature to increase, thereby achieving the purpose of drying.

[0027] Furthermore, the controller 6 described in the above embodiment can be electrically connected to the temperature sensor 7, the first heat radiation component 4 and the second heat radiation component 5 respectively in a wired or wireless manner to control the startup of the first heat radiation component 4 and the second heat radiation component 5, and after analyzing the temperature data transmitted by the temperature sensor 7, the first heat radiation component 4 and the second heat radiation component 5 are turned off, thereby achieving the purpose of saving energy consumption.

[0028] In one embodiment of the present invention, Figure 1 As shown, the turntable assembly 2 may include a turntable 20 and a plurality of support platforms 21 , wherein the turntable 20 is rotatably disposed above the base 1 via a support shaft 11 , and the plurality of support platforms 21 are evenly distributed on the upper surface of the turntable 20 .

[0029] It should be noted that the support shaft 11 described in this embodiment is connected to an external driving mechanism (not shown in the figure), wherein the external driving mechanism can be a motor, and the rotating plate 20 can be driven to rotate by the motor.

[0030] Furthermore, the support platform 21 described in the above embodiment is provided with a clamping block, and the sand core 9 is provided with a clamping groove, and the clamping block is arranged in the clamping groove to limit the sand core 9, thereby improving the stability of the sand core 9 when rotating.

[0031] In order to further clarify the above embodiment, in one embodiment of the present utility model, as Figure 1As shown, the support assembly 3 may include a base frame 30, a support frame 31 and a reinforcement frame 32, wherein a plurality of universal wheels 8 are provided at the bottom of the base frame 30, the support frame 31 is vertically arranged on the base frame 30, and both ends of the connecting rod 10 are respectively connected to the support frame 31, a cross beam 33 is installed on the upper surface of the base frame 30, both ends of the reinforcement frame 32 are respectively connected to the support frame 31 and the cross beam 33, and the controller 6 is arranged on the cross beam 33.

[0032] It should be noted that the two ends of the connecting rod 10 described in this embodiment are movably connected to two adjacent support frames 31 , such as hinged or locked, so as to facilitate the adjustment of the position of the support assembly 3 .

[0033] Furthermore, the cross beam 33 described in the above embodiment is an L-shaped structure, and the two ends of the cross beam 33 are respectively fixedly connected to the base frame 30 and the support frame 31 to support the reinforcement frame 32. It can be understood that the base frame 30, the support frame 31, the reinforcement frame 32 and the cross beam 33 can be fixed by welding, so that the connection is more firm and the stability is better.

[0034] In the embodiment of the present application, a universal wheel 8 is added to facilitate the movement of the entire support assembly 3, so that the support assembly 3 can be moved according to actual needs, and the positions of multiple support assemblies 3 can be changed, which is convenient to operate.

[0035] In one embodiment of the utility model, as shown in the figure, the first heat radiation component 4 may include a first protective cover 40, a first mounting plate 41 and a plurality of first infrared lamp tubes 42, wherein the first protective cover 40 is mounted on the support frame 31, the first mounting plate 41 is arranged inside the first protective cover 40, and the temperature sensor 7 is embedded and mounted on the first mounting plate 41, and the plurality of first infrared lamp tubes 42 are evenly distributed on the opposite surfaces of the first mounting plate 41 and the sand core 9.

[0036] In an embodiment of the present application, the temperature sensor 7 can timely detect the ambient temperature around the sand core 9 and transmit the detected temperature data to the controller 6. The controller 6 analyzes the received temperature data and turns on or off the first infrared lamp 42 according to the analysis results, thereby ensuring that the drying temperature is within a controllable range, saving energy while improving the drying efficiency.

[0037] Furthermore, if Figure 1 As shown, the second heat radiation assembly 5 may include a second protective cover 50, a second mounting plate 51 and a plurality of second infrared lamp tubes 52, wherein the second protective cover 50 may be rotatably set on the base frame 30, the second mounting plate 51 is set inside the second protective cover 50, and the plurality of second infrared lamp tubes 52 are evenly distributed on the second mounting plate 51.

[0038] It should be noted that, in this embodiment, the angle of the second protective cover 50 is adjustable, so as to facilitate drying the bottom of the sand core 9 .

[0039] Specifically, when drying the paint on the surface of the sand core 9, the relevant personnel arrange the support assembly 3 according to the shape and size of the sand core 9, and then place the sand core 9 on the support platform 21 through the cooperation of the gantry car and the crane, and make the block on the support platform 21 be inserted into the inside of the slot on the sand core 9 to limit the sand core 9.

[0040] Subsequently, relevant personnel control the first infrared lamp tube 42 and the second infrared lamp tube 52 to turn on through the controller 6, and use the first infrared lamp tube 42 and the second infrared lamp tube 52 to emit infrared light to the sand core 9, so as to achieve the purpose of drying the sand core. At the same time, the controller 6 can also be used to control the start of the external driving mechanism, and the driving mechanism drives the rotating plate 20 to rotate, and drives the sand core 9 to rotate through the support platform 21, so as to evenly heat the sand core 9, thereby improving the efficiency of drying the sand core 9.

[0041] At the same time, the temperature sensor 7 can timely detect the temperature around the sand core 9 and transmit the detected temperature data to the controller 6. When the temperature data is greater than the temperature threshold (the temperature threshold can be set according to actual conditions and input into the controller 6 in advance), the controller 6 controls the first infrared lamp 42 and the second infrared lamp 52 to be turned off. At this time, the waste heat of the surrounding air is used to perform secondary drying on the sand core 9, saving energy. At the same time, the rotating sand core 9 can drive the surrounding air flow, further improving the drying rate of the sand core 9.

[0042] In summary, the sand core surface coating drying device of the utility model embodiment can perform uniform thermal radiation drying on the sand core through the mutual cooperation of the first heat radiation component, the second heat radiation component and the turntable component, and can perform secondary heating on the sand core by utilizing the residual heat of the air after radiation, thereby improving the drying efficiency of the sand core. In addition, the entire device can be changed according to the shape of the sand core and is easy to move. The entire device can be moved out of the production area when idle, thereby saving factory space, reducing equipment investment, and improving factory utilization and production capacity.

[0043] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0044] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0045] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and deform the above embodiments within the scope of the present invention.

Claims

1. A sand core surface coating drying device, characterized in that: It includes a base, a turntable assembly, a plurality of support assemblies, a plurality of first heat radiation assemblies, a plurality of second heat radiation assemblies, a controller and a temperature sensor, wherein: The turntable assembly is rotatably arranged above the base, and a sand core is arranged on the turntable assembly; A plurality of the support assemblies are arranged in an annular shape around the sand core, and two adjacent support assemblies are connected by a connecting rod; A plurality of the first heat radiation components and a plurality of the second heat radiation components are respectively arranged on the corresponding support components; The controller is disposed on one of the support assemblies; The temperature sensor is disposed on one of the first heat radiation components, wherein the controller is connected to the temperature sensor, the first heat radiation component and the second heat radiation component respectively.

2. The sand core surface coating drying device according to claim 1, characterized in that: The turntable assembly includes a turntable and a plurality of support platforms, wherein: The rotating plate is rotatably arranged above the base via a supporting shaft; The plurality of support platforms are evenly distributed on the upper surface of the rotating plate.

3. The sand core surface coating drying device according to claim 1, characterized in that: The support assembly includes a base frame, a support frame and a reinforcement frame, wherein: A plurality of universal wheels are provided at the bottom of the base frame; The support frame is vertically arranged on the base frame, and both ends of the connecting rod are respectively connected to the support frame; A crossbeam is installed on the upper surface of the base frame, two ends of the reinforcement frame are respectively connected to the support frame and the crossbeam, and the controller is arranged on the crossbeam.

4. The sand core surface coating drying device according to claim 3, characterized in that: The first heat radiation assembly includes a first protective cover, a first mounting plate and a plurality of first infrared lamp tubes, wherein: The first protective cover is mounted on the supporting frame; The first mounting plate is arranged inside the first protective cover, and the temperature sensor is embedded and mounted on the first mounting plate; The plurality of first infrared lamps are evenly distributed on opposite surfaces of the first mounting plate and the sand core.

5. The sand core surface coating drying device according to claim 3, characterized in that: The second heat radiation assembly includes a second protective cover, a second mounting plate and a plurality of second infrared lamp tubes, wherein: The second protective cover is rotatably disposed on the base frame; The second mounting plate is disposed inside the second protective cover; A plurality of the second infrared lamp tubes are evenly distributed on the second mounting plate.

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