Molding shell drying device for precision casting
Through the combination of hot air curtain machine and radiation heating, the motor drives the cross and the placement frame to rotate, solving the problems of low efficiency and unevenness of traditional shell drying devices, achieving efficient and uniform shell drying, reducing energy consumption and reducing cracking risks.
Patent Information
- Application Number
- CN202422362927.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-27
AI Technical Summary
The traditional shell drying device has low efficiency and uneven efficiency, resulting in long drying time, high energy consumption, and a risk of cracking of the shell.
The hot air curtain machine is used to combine radiation heating, and the cross and the placement frame are rotated by the motor to form a through-room air. Combined with the horizontal and vertical linear modules and belt transmission devices, the position and angle of the hot air curtain machine are adjusted to achieve uniform drying.
It improves the drying efficiency of the mold shell, reduces energy consumption, avoids the risk of mold shell cracking caused by uneven drying, and improves the drying quality.
Smart Images
Figure CN223145927U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shell drying, in particular to a shell drying device for precision casting. Background Technique
[0002] Casting is a method of pouring liquid metal into a casting cavity adapted to the shape of a part and waiting for it to cool and solidify to obtain the part or blank. Precision casting refers to the general term for processes that obtain castings with precise dimensions. Compared with the traditional sand casting process, the castings obtained by precision casting have more precise dimensions and better surface finish. It includes: investment casting, ceramic mold casting, metal mold casting, die casting, lost foam casting. Precision casting is also called lost wax casting. Its products are precise, complex, and close to the final shape of the part, and can be used directly without machining or with very little machining. It is an advanced near-net-shape forming process. During the production and processing of workpieces, immersion decontamination treatment is commonly used. The workpiece is immersed in an immersion tank filled with treatment liquid to remove some residual liquids on the surface of the workpiece, such as machine oil, surface treatment agent, etc.
[0003] For traditional shell drying devices and equipment, during the process of making the shell, the made shell needs to be placed on a drying rack. Usually, the rack stands indoors and is dried by air conditioning dehumidification and natural wind. Only relying on the self-drying of the shell and air conditioning dehumidification, the drying time of the shell is long and the efficiency is low. At the same time, its windward surface is uneven, resulting in unequal drying times inside the shell and uneven drying degrees. At the same time, as the product rotates with the suspension chain, there is local leeward, resulting in slow drying, and the drying rates of each part are inconsistent, resulting in a long drying time, and there are extreme situations of over-drying and non-drying. At the same time, the energy consumption of air conditioning dehumidification is relatively high. Content of the Utility Model
[0004] To achieve the above object, the utility model provides the following technical solution: A shell drying device for precision casting, including an operating table. A moving plate is arranged on the top of the operating table. A driving motor and a limiting plate are installed on the front surface of the moving plate. The rotating end of the driving motor passes through the limiting plate and is fixed with a cross. Bottom rods are fixed to the bottoms of the four ends of the cross. A placement rack is installed on the bottom rods. A plurality of convex rods are fixed to the front and back surfaces of the placement rack. Hot air curtain machines opposite to the placement rack are installed on the tabletop and the table wall of the operating table.
[0005] Further, a horizontal linear module is installed on the top of the operating table. A support frame is fixed to the moving end of the horizontal linear module. The moving plate is installed on the support frame.
[0006] Further, a vertical linear module is installed on the support frame. The moving plate is installed on the moving end of the vertical linear module.
[0007] Furthermore, a plurality of adjusting plates are installed on both the tabletop and the table wall of the operating table. A servo motor and two oppositely distributed vertical plates are fixed on the plate surface of the adjusting plate. The hot air curtain machine is rotatably installed between the two vertical plates, and the servo motor is fixed to one side shaft end of the hot air curtain machine.
[0008] Furthermore, a plurality of concave platforms are fixed in both the tabletop and the table wall of the operating table, and an arch plate covering the concave platforms is fixed on the tabletop and the table wall. A gap is formed between the bottom of the arch plate and the tabletop of the concave platform. A belt transmission device is installed on the concave platform. The adjusting plate is slidably connected to the concave platform and fixed to the belt end of the belt transmission device.
[0009] Compared with the prior art, the technical solution of the present application has the following beneficial effects:
[0010] For the shell drying device for precision casting, the hot air curtain machine blows air on the bottom and side of the placement rack at the same time, and is also combined with radiant heating. The convective hot air can quickly take away and evaporate the free water on the surface of the shell. The motor drives the cross to rotate, and drives the placement rack to rotate through the bottom rod, forming a through wind, and air can be blown in all directions, so that each part of the shell can be dried evenly, and the risk of shell cracking caused by uneven drying is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 is a schematic structural diagram of the present utility model;
[0012] Figure 2 is a three-dimensional view of the connection structure of the placement rack in the present utility model;
[0013] Figure 3 is a three-dimensional view of the connection structure of the concave platform in the present utility model.
[0014] In the figure: 1. Operating table; 2. Horizontal linear module; 3. Support frame; 4. Vertical linear module; 5. Moving plate; 6. Driving motor; 7. Limiting plate; 8. Cross; 9. Bottom rod; 10. Placement rack; 11. Convex rod; 12. Concave platform; 13. Belt transmission device; 14. Arch plate; 15. Adjusting plate; 16. Vertical plate; 17. Hot air curtain machine; 18. Servo motor. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0015] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.
[0016] Please refer to Figures 1-3, A shell drying device for precision casting in this embodiment includes an operating table 1. The operating table 1 is L-shaped. A moving plate 5 is installed at the center of the top of the operating table 1. Above the plate surface of the moving plate 5, a driving motor 6 and a limiting plate 7 fixed below the driving motor 6 are installed. The rotating end of the driving motor 6 passes through the limiting plate 7 and is fixed with a cross 8. Bottom rods 9 are fixed to the bottoms of the four ends of the cross 8. A placement rack 10 is installed at the bottom of the bottom rod 9. A plurality of convex rods 11 are installed on the placement rack 10. Two hot air curtain machines 17 distributed opposite to two of the placement racks 10 are installed on both the tabletop and the table wall of the operating table 1.
[0017] In the above structure, by installing the shell on the convex rods, and then running the hot air curtain machine and the driving motor simultaneously, the driving motor can drive the cross to rotate. At the same time, the bottom rod will rotate together with the placement rack, so that the four placements are successively located at the hot air curtain machines on the tabletop and the table wall to complete the drying of the shell. Therefore, the drying can be completed evenly, the energy consumption can be reduced, and the risk of shell cracking caused by uneven drying can also be avoided.
[0018] Among them, a horizontal linear module 2 is installed at the top of the operating table 1. A support frame 3 is fixed to the moving end of the horizontal linear module 2. A vertical linear module 4 is installed on the support frame 3. The moving plate 5 is installed at the moving end of the vertical linear module 4. Through the support frame, the vertical linear module can be pushed out a certain distance, so that the cross is located at the center of the tabletop of the operating table. Through the cooperation of the horizontal linear module and the vertical linear module, the placement rack can be moved to a suitable position relative to the hot air curtain machine according to requirements to complete drying;
[0019] And through the horizontal linear module and the vertical linear module, it is also convenient to move the placement rack to one side for disassembly and assembly.
[0020] In addition, two concave platforms 12 are fixed inside both the tabletop and the table wall of the operating table 1. And slots are opened at the positions on the tabletop and the table wall opposite to the tabletop of the concave platform 12. A belt transmission device 13 is installed on the concave platform 12. And arch plates 14 are fixed at the positions of the tabletop and the table wall at the slots. An adjusting plate 15 connected to the belt end of the belt transmission device 13 is slidably connected to the concave platform 12. Two vertical plates 16 and a servo motor 18 are fixed on the plate surface of the adjusting plate 15. The hot air curtain machine 17 is rotatably installed between the two vertical plates 16. The servo motor 18 drives the hot air curtain machine 17 to rotate in a fan-shaped reciprocating manner. Through the operation of the belt transmission device and the servo motor, the adjusting plate can be driven to move on the concave platform, so that the position of the hot air curtain machine can be adjusted. At the same time, the servo motor can also drive the hot air curtain machine to adjust the blowing angle. Cooperating with the position of the above placement rack, the hot air curtain machine can be adjusted to the best position;
[0021] Meanwhile, it can also follow up and adjust the position and angle of the hot air curtain machine through the reciprocating motion of the belt drive device and the servo motor, so as to expand the blowing range, and can dry the mold shell evenly in the form of sweeping wind, improving the quality and effect of drying the mold shell.
[0022] The working principle of the above embodiment is as follows:
[0023] The transverse linear module drives the cross to be located between multiple hot air curtain machines, and then the vertical linear module drives the placement rack to a certain height below, so that the placement position is the optimal position. Then, through the operation of the belt drive device, the adjustment plate is driven to move, so as to adjust the position of the hot air curtain machine. At the same time, the servo motor can also drive the hot air curtain machine to adjust the angle of the air outlet. Therefore, the hot air curtain machine can also be adjusted to a suitable position for radiant hot air drying of the placement rack, so as to evenly complete the drying of the mold shell, and at the same time, it can prevent the mold shell from cracking during drying, so as to effectively improve the effect and quality of drying the mold shell.
[0024] The entire working process is completed, and the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.
[0025] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "including a..." does not exclude the presence of additional identical elements in the process, method, article or device including the element.
[0026] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A shell drying device for precision casting, characterized in that: It includes an operating table (1). A moving plate (5) is provided at the top of the operating table (1). A driving motor (6) and a limiting plate (7) are installed on the front surface of the moving plate (5). The rotating end of the driving motor (6) passes through the limiting plate (7) and is fixed with a cross (8). Bottom rods (9) are fixed to the bottoms of the four ends of the cross (8). A placing rack (10) is installed on the bottom rods (9). A plurality of convex rods (11) are fixed to the front and back surfaces of the placing rack (10). Hot air curtain machines (17) opposite to the placing rack (10) are installed on both the tabletop and the table wall of the operating table (1).
2. The shell drying device for precision casting according to claim 1, characterized in that: A horizontal linear module (2) is installed at the top of the operating table (1). A support frame (3) is fixed to the moving end of the horizontal linear module (2). The moving plate (5) is installed on the support frame (3).
3. The shell drying device for precision casting according to claim 2, wherein: A vertical linear module (4) is installed on the support frame (3). The moving plate (5) is installed on the moving end of the vertical linear module (4).
4. The shell drying device for precision casting according to claim 1, characterized in that: A plurality of adjusting plates (15) are installed on both the tabletop and the table wall of the operating table (1). A servo motor (18) and two oppositely distributed vertical plates (16) are fixed to the plate surface of the adjusting plate (15). The hot air curtain machine (17) is rotatably installed between the two vertical plates (16). The servo motor (18) is fixed to one side shaft end of the hot air curtain machine (17).
5. The shell drying device for precision casting according to claim 4, characterized in that: A plurality of concave platforms (12) are fixed in both the tabletop and the table wall of the operating table (1). An arch plate (14) covering the concave platforms (12) is fixed to the tabletop and the table wall. A gap is formed between the bottom of the arch plate (14) and the tabletop of the concave platforms (12). A belt transmission device (13) is installed on the concave platforms (12). The adjusting plate (15) is slidably connected to the concave platforms (12) and is fixed to the belt end of the belt transmission device (13).