A casting temperature partition active control device

Abstract

This invention relates to the field of temperature control technology and proposes a casting temperature zone active control device, including a storage tank, with the casting shell located inside the storage tank, and a temperature regulating device disposed around the periphery of the storage tank. The temperature regulating device is used to regulate the heating rate of different positions on the casting shell, and includes a heating device fitted around the periphery of the storage tank. This technical solution solves the problem in existing technologies that it is impossible to achieve similar cooling rates for parts of the casting shell with varying thicknesses.

Description

Technical Field

[0001] This invention relates to the field of temperature control technology, specifically to an active control device for zoning casting temperature zones. Background Technology

[0002] During the casting process, the different wall thicknesses in different parts of the shell result in different cooling rates. Some areas of the shell are relatively thick and cool too slowly, while others are relatively thin and cool too quickly. This can easily lead to defects such as shrinkage porosity and shrinkage cavities. Current technology cannot make the cooling rates of different parts of the cast shell similar. Summary of the Invention

[0003] This invention proposes an active control device for casting temperature zones, which solves the problem in related technologies that it is impossible to make the cooling rates of parts with different thicknesses of the casting shell similar.

[0004] The technical solution of the present invention is as follows: A casting temperature zone active control device includes: Storage bucket, with the cast shell located inside the storage bucket. A temperature regulating device is disposed around the periphery of the storage tank. The temperature regulating device is used to control the cooling rate at different locations of the casting shell. The temperature regulating device includes: A heating device is fitted around the outer edge of the storage bucket.

[0005] Furthermore, it also includes: The mounting base has the storage bin located on one side. A reciprocating drive device, disposed on the mounting base, is used to drive the temperature regulating device to reciprocate along the axial direction of the storage bin. The reciprocating drive device includes: The sliding rods are all slidably mounted on the mounting base. The temperature regulating device is mounted on the sliding rod and slides along the axial direction of the storage bucket following the sliding rod. A drive mechanism drives the slide bar to slide back and forth.

[0006] Furthermore, the drive mechanism includes: The drive motor is mounted on the mounting base. An adjusting disc is disposed on the output end of the drive motor, and the drive motor drives the adjusting disc to rotate. A lever, which is slidably mounted on the adjustment disc, and is located on the adjustment disc at a position off-center from the axis. A drive groove is provided at the end of the slide rod, and a lever slides within the drive groove. The lever is used to drive the slide rod to reciprocate along the axial direction of the storage bin.

[0007] Furthermore, it also includes: The slide bar has two protrusions, which are arranged opposite each other on the side wall of the middle part of the drive groove. The spacing between the inner walls of the drive grooves along the axial direction of the slide rod gradually decreases from both sides towards the center. This causes the sliding speed to gradually increase as the slide rod drives the temperature regulating device to slide back and forth from the center towards both sides. A first guide plate and a second guide plate are respectively disposed on both sides of the mounting base, and both sides of the slide rod are slidably connected to the first guide plate and the second guide plate respectively. A first convex ring and a second convex ring are respectively disposed on both sides of the slide rod. A first compression spring is disposed between the first convex ring and the first guide plate. One end of the first compression spring is disposed on the first guide plate, and the other end contacts the first convex ring. It is used to provide the force for resetting the slide rod during its reciprocating motion. The second compression spring is disposed between the second convex ring and the second guide plate. One end of the second compression spring is disposed on the second guide plate, and the other end is in contact with the second convex ring. It is used to provide the force for the slide rod to return to its original position during reciprocating motion.

[0008] Furthermore, the reciprocating drive device has two components, which are arranged opposite to each other on both sides of the outer side of the storage bin. The reciprocating drive device also includes: The clamps are multiple, and all of the clamps are fitted and fixedly mounted on the slide rod. The mounting chuck has multiple chucks, and each clamp is provided with one mounting chuck. The heating device is slidably engaged and locked within the mounting chuck.

[0009] Furthermore, the heating device has a semi-circular ring structure, and two semi-circular ring structures are joined together to form a circular ring structure.

[0010] The beneficial effects of this invention are as follows: 1. The temperature control device is located on the outside of the storage tank, and the heating device is set at the thinner part of the casting shell to ensure that the casting shell is heated evenly and thus avoid defects such as shrinkage and porosity.

[0011] 2. The distance between the inner walls of the drive groove gradually decreases from both sides to the middle, so that when the slide rod drives the temperature adjustment device to slide back and forth, the sliding speed gradually increases when sliding from the middle to both sides. Therefore, the heat transfer at the corresponding positions is different. The slower the speed, the longer the time, and the more sufficient the heat conduction. This ensures that the cooling rate of different thickness parts of the cast shell inside the storage bucket is similar.

[0012] 3. The temperature regulation device consists of a heating device, which is adjusted according to the different thicknesses of the casting shell to slow down the cooling rate of the thinner parts of the casting shell. Attached Figure Description

[0013] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a top view of the structure of the present invention; Figure 3 This is a top view schematic diagram of the sliding rod in motion according to the present invention; Figure 4 This is a top view schematic diagram of another motion state of the slide rod of the present invention; Figure 5 This is a three-dimensional structural diagram of the temperature regulating device and the clamp assembly of the present invention; Figure 6 This is a three-dimensional structural diagram of the clamp of the present invention; Figure 7 This is a partially enlarged schematic diagram of the first compression spring assembly point of the present invention; Figure 8 This is a partially enlarged schematic diagram of the assembly point of the second compression spring in this invention; Figure 9 This is a schematic diagram of the assembly structure of the lever and adjustment disc of the present invention; In the diagram, 1. Storage bin; 2. Temperature control device; 3. Heating device; 4. Mounting base; 5. Reciprocating drive device; 6. Slide rod; 7. Drive mechanism; 8. Drive motor; 9. Adjustment disc; 10. Lever; 11. Drive groove; 12. First compression spring; 13. Clamp; 14. Mounting chuck; 15. First guide plate; 16. Second guide plate; 17. First convex ring; 18. Second convex ring; 19. Second compression spring; 20. Protrusion. Detailed Implementation

[0015] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0016] like Figures 1-9 As shown, the present invention proposes a casting temperature zone active control device, comprising: Storage bucket 1, the cast shell is located inside storage bucket 1. Temperature regulating device 2 is located around the storage tank 1. Temperature regulating device 2 is used to control the cooling rate at different locations of the casting shell. Temperature regulating device 2 includes: Heating device 3 is installed around the storage bucket 1.

[0017] In this embodiment, a storage bin 1 is designed. The storage bin 1 is a hollow cylindrical structure made of high-temperature resistant material. A cast shell is placed inside the storage bin 1. A temperature regulating device 2 is also designed and installed around the storage bin 1. The temperature regulating device 2 can be a single heating device 3 or multiple heating devices 3, depending on the thickness and number of parts of the cast shell and the specific heating requirements. Since the cast shell is irregular, with varying wall thicknesses, the thinner parts need to be heated to ensure similar cooling rates for the different thicknesses. The heating device can be temperature-controlled using a PLC.

[0018] In this embodiment, two heat insulation devices can be used to define the heating area and reduce the transfer of heat to areas that do not need to be heated. They can be installed in the following way: for example, when using one heating device 3, two heat insulation devices can be used and the two heat insulation devices can be placed around the outer perimeter of the storage bucket 1. The area between the two heat insulation devices is the heating area, and the heating device 3 is located within the heating area. The heat insulation devices are existing technology and will not be specifically described in this invention and are not shown in the accompanying drawings.

[0019] Furthermore, it also includes: Mounting base 4, storage bin 1 is located on one side of mounting base 4. Reciprocating drive device 5, mounted on mounting base 4, is used to drive temperature regulating device 2 to reciprocate along the axial direction of storage tank 1. Reciprocating drive device 5 includes: The slide rod 6 is slidably mounted on the mounting base 4, and the temperature regulating device 2 is mounted on the slide rod 6. The temperature regulating device 2 slides along the axis of the storage bucket 1 following the slide rod 6. Drive mechanism 7 drives slide bar 6 to slide back and forth.

[0020] In this embodiment, a mounting base 4 is designed. During installation, the storage bucket 1 is placed above the mounting base 4. The storage bucket 1 and the mounting base 4 can be fixed by two bolts threaded together. A reciprocating drive device 5 consisting of a slide rod 6 and a drive mechanism 7 is also designed. First, the slide rod 6 is slidably placed on the mounting base 4. Then, the temperature regulating device 2, which is sleeved and installed on the periphery of the storage bucket 1, is placed on the slide rod 6. Next, the output end of the drive mechanism 7 is connected to the slide rod 6. When the drive mechanism 7 starts to work, the slide rod 6 slides back and forth along the axial direction of the storage bucket 1, and the temperature regulating device 2 follows the slide rod 6 and slides along the axial direction of the storage bucket 1. The heating area is relatively uniformly covered, the heat conduction effect is better, and it is ensured that the cooling rate of the casting shell in different thickness parts inside the storage bucket 1 is similar.

[0021] Furthermore, the drive mechanism 7 includes: Drive motor 8 is mounted on mounting base 4. Adjustment disc 9 is mounted on the output end of drive motor 8, and drive motor 8 drives adjustment disc 9 to rotate. The lever 10 is slidably mounted on the adjusting disc 9, and the lever 10 is located on the adjusting disc 9 at a position off-center from the axis. The drive groove 11 is located at the end of the slide bar 6. The lever 10 slides in the drive groove 11 and is used to drive the slide bar 6 to slide back and forth along the axial direction of the storage bucket 1.

[0022] In this embodiment, the drive mechanism 7 consists of a drive motor 8, an adjustment disk 9, a lever 10, and a drive groove 11. First, a drive groove 11 is designed at the end of the slide rod 6. Then, the drive motor 8 is set on the mounting base 4. Next, the adjustment disk 9 is set on the output end of the drive motor 8. Then, the lever 10 is set on the adjustment disk 9, and the end of the lever 10 passes through the drive groove 11. The mounting position of the lever 10 on the adjustment disk 9 is offset from the axis of the adjustment disk 9. The adjustment disk 9 has two elongated holes on both sides of the axis of the adjustment disk 9. The lever 10 has a first threaded part. The first threaded part of the lever 10 is passed through any one of the elongated holes on the adjustment disk 9. Then, a nut is used to thread and lock the lever 10 to the first threaded part. At this time, the lever 10 is firmly fixed on the adjustment disk 9. The PLC controls the drive motor 8 to start working, and then the output end of the drive motor 8 drives the adjustment plate 9 to rotate, so that the lever 10 installed on the adjustment plate 9 slides in the drive groove 11, thereby adjusting the travel distance of the slide rod 6 reciprocating along the axial direction of the storage bucket 1.

[0023] Furthermore, it also includes: The protrusion 20 has two parts, which are arranged opposite each other on the side wall of the middle part of the drive groove 11 along the axial direction of the slide rod 6. The spacing between the inner walls of the drive groove 11 along the axial direction of the slide rod 6 gradually decreases from both sides towards the center. This causes the sliding speed of the slide rod 6, which drives the temperature regulating device 2 to slide back and forth, to gradually increase as it slides from the center towards both sides. A first guide plate 15 and a second guide plate 16 are respectively disposed on both sides of the mounting base 4, and the two sides of the slide rod 6 are slidably connected to the first guide plate 15 and the second guide plate 16 respectively. The first convex ring 17 and the second convex ring 18 are respectively disposed on both sides of the slide rod 6. A first compression spring 12 is disposed between the first convex ring 17 and the first guide plate 15. One end of the first compression spring 12 is disposed on the first guide plate 15, and the other end contacts the first convex ring 17. It is used to provide the force for resetting the slide rod 6 during reciprocating motion. The second compression spring 19 is disposed between the second convex ring 18 and the second guide plate 16. One end of the second compression spring 19 is disposed on the second guide plate 16, and the other end is in contact with the second convex ring 18. It is used to provide the force for resetting the slide rod 6 when it reciprocates.

[0024] like Figure 2 , Figure 3 , Figure 4As shown, in this embodiment, the drive groove 11 is provided at the end of the slide bar 6. Protrusions 20 are provided on the left and right sides of the drive groove 11, and the protrusions 20 are arc-shaped. The distance between the inner walls of the drive groove 11 gradually decreases from the sides towards the center, so that when the lever 10 rotates, it engages with the drive groove 11. The slide bar 6 drives the temperature regulating device 2 to slide back and forth. During the reciprocating stroke, the movement speed gradually increases from the center to the sides, making the cooling rates of different wall thicknesses of the cast shell similar. A first compression spring 12 and a second compression spring 19 are also used to facilitate the operation of the lever 10. When the slide rod 6 moves, it can reset, making the reciprocating motion smoother. The first compression spring 12 is located between the first convex ring 17 and the first guide plate 15. One end of the first compression spring 12 is located on the first guide plate 15, and the other end is in contact with the first convex ring 17. It is used to provide the force for resetting the slide rod 6 during reciprocating motion. The second compression spring 19 is located between the second convex ring 18 and the second guide plate 16. One end of the second compression spring 19 is located on the second guide plate 16, and the other end is in contact with the second convex ring 18. It is used to provide the force for resetting the slide rod 6 during reciprocating motion. When the lever 10 is at the upper end of the drive groove 11, both the first compression spring 12 and the second compression spring 19 are in a relaxed state. When the lever 10 moves to the middle part of the drive groove 11, that is, when the lever 10 is tangent to the protrusion 20 on the left, the slide bar 6 moves to the left. Since one end of the first compression spring 12 is in contact with the first convex ring 17, the first convex ring 17 compresses the first compression spring 12 to the left. Since one end of the second compression spring 19 is in contact with the second convex ring 18, the contact ends of the second compression spring 19 and the second convex ring 18 are separated. When the lever 10 moves to the lower end near the drive groove 11, the second convex ring 18 approaches the second compression spring 19, and then the first compression spring 12 resets and releases its elastic force, so that the inner wall of the drive groove 11 is in close contact with the lever 10, and the reciprocating motion is smoother and more stable.

[0025] When the lever 10 moves within the drive groove 11, it drives the slide bar 6 to reciprocate within a certain stroke, thereby driving the heating device 3 to reciprocate. The protrusion 20 occupies the middle position within the drive groove 11, allowing the lever 10 to more quickly adhere to the inner wall of the drive groove 11 and push the slide bar 6 to move more quickly. This causes the heating device 3 to gradually increase its speed from the middle to both sides. In other words, within one reciprocating stroke, the heating device 3 spends more time in the middle position relative to the thinner part of the cast shell that needs to be heated, and less time in the sides. Therefore, the heat conduction in the middle is greater. At the same time, the thinnest part of the cast shell is also the thinnest part in the middle (generally, when there is a change in thickness, the shape of the cast shell is arc-shaped), requiring the greatest heat conduction. The two sides adjacent to the thinnest part are relatively thicker than the thinnest part, requiring less heat conduction, but less than the thinnest part. Therefore, the heating device 3 moves faster and for a shorter time, resulting in relatively less heat conduction. Note: "relatively thicker" is relative to the thinnest part.

[0026] Furthermore, there are two reciprocating drive devices 5, which are arranged opposite each other on both sides of the outer side of the storage bin 1. The reciprocating drive devices 5 also include: There are multiple clamps 13, and all of the clamps 13 are fitted and fixedly installed on the slide rod 6. There are multiple mounting chucks 14, with one mounting chuck 14 on each clamp 13, and the heating device 3 is slidably engaged in the mounting chuck 14.

[0027] In this embodiment, two reciprocating drive devices 5 are designed, and the two reciprocating drive devices 5 are arranged on both sides of the outer side of the storage bucket 1, and the two reciprocating drive devices 5 are arranged opposite each other. The reciprocating drive device 5 also includes two kinds of accessories: clamps 13 and mounting chucks 14. The reciprocating drive device 5 uses multiple clamps 13, and the multiple clamps 13 are all sleeved and fixedly mounted on the slide rod 6. Each clamp 13 is designed with a mounting chuck 14. The heating device 3 is slidably engaged in the mounting chuck 14. According to the different wall thicknesses of the casting shell, the heating device 3 is slidably adjusted so that the heating device 3 corresponds to the thinner part of the casting shell, thereby making the cooling rate of the casting shell in different thicknesses in the storage bucket 1 similar.

[0028] Furthermore, the heating device 3 has a semi-circular ring structure, and two semi-circular ring structures are joined together to form a circular ring structure.

[0029] In this embodiment, the heating device 3 is a semi-circular ring structure. The heating device 3 slides within the mounting chuck 14, making assembly and disassembly more convenient without requiring complete disassembly. During installation, the two mounting chucks 14 are slid and offset axially. One semi-circular ring structure of the heating device 3 is fitted onto the storage bucket 1 and slid into one mounting chuck 14. Then, the other semi-circular ring structure of the heating device 3 is also fitted onto the storage bucket 1 and slid into the other mounting chuck 14. The two semi-circular ring structures of the heating device 3 can form a circular ring structure. After aligning the positions, the two mounting chucks 14 are slid into place to form the circular ring structure. The heating device 3 includes two semi-circular ring structures, each of which can operate independently for heating. This allows for the use of a semi-circular ring structure to heat thinner areas when the cast shell has uneven thickness in the circumferential direction.

[0030] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A casting temperature zone active control device, characterized in that, include: Storage bucket (1), with a cast shell located inside the storage bucket (1), A temperature regulating device (2) is disposed around the storage tank (1). The temperature regulating device (2) is used to regulate the heating rate at different positions of the casting shell. The temperature regulating device (2) includes: Heating device (3), which is sleeved around the storage bucket (1); Mounting base (4), the storage bin (1) is disposed on one side of the mounting base (4). A reciprocating drive device (5) is disposed on the mounting base (4). The reciprocating drive device (5) is used to drive the temperature regulating device (2) to reciprocate along the axial direction of the storage bin (1). The reciprocating drive device (5) includes: A sliding rod (6) is slidably mounted on the mounting base (4), and a temperature regulating device (2) is mounted on the sliding rod (6). The temperature regulating device (2) slides along the axial direction of the storage bucket (1) following the sliding rod (6). The drive mechanism (7) drives the slide bar (6) to slide back and forth.

2. The active control device for casting temperature zoning according to claim 1, characterized in that, The drive mechanism (7) includes: A drive motor (8) is mounted on the mounting base (4). An adjusting disc (9) is disposed on the output end of the drive motor (8), and the drive motor (8) drives the adjusting disc (9) to rotate. A lever (10) is slidably mounted on the adjusting disk (9), and the lever (10) is located on the adjusting disk (9) at a position off-center from the axis. A drive groove (11) is provided at the end of the slide bar (6), and a lever (10) slides in the drive groove (11). The lever (10) is used to drive the slide bar (6) to slide back and forth along the axial direction of the storage bucket (1).

3. The active control device for casting temperature zoning according to claim 2, characterized in that, The reciprocating drive device (5) further includes: The protrusion (20) has two parts, which are arranged opposite each other on the side wall of the middle part of the drive groove (11) along the axial direction of the slide bar (6). The spacing between the inner walls of the drive groove (11) along the axial direction of the slide rod (6) gradually decreases from both sides to the middle, so that when the slide rod (6) drives the temperature regulating device (2) to slide back and forth, the sliding speed gradually increases when sliding from the middle to both sides. A first guide plate (15) and a second guide plate (16) are respectively disposed on both sides of the mounting base (4), and the two sides of the slide rod (6) are slidably connected to the first guide plate (15) and the second guide plate (16) respectively. A first convex ring (17) and a second convex ring (18) are respectively disposed on both sides of the slide rod (6). A first compression spring (12) is disposed between the first convex ring (17) and the first guide plate (15). One end of the first compression spring (12) is disposed on the first guide plate (15), and the other end is in contact with the first convex ring (17). It is used to provide the force for the slide rod (6) to return to its original position during reciprocating motion. The second compression spring (19) is disposed between the second convex ring (18) and the second guide plate (16). One end of the second compression spring (19) is disposed on the second guide plate (16), and the other end is in contact with the second convex ring (18). It is used to provide the force for the slide rod (6) to reset during reciprocating motion.

4. The active control device for casting temperature zoning according to claim 3, characterized in that, The reciprocating drive device (5) has two components, which are arranged opposite each other on both sides of the outer side of the storage bin (1). The reciprocating drive device (5) further includes: Multiple clamps (13) are provided, and all of the clamps (13) are sleeved on the slide rod (6). There are multiple mounting chucks (14), and each of the clamps (13) is provided with a mounting chuck (14). The heating device (3) is slidably disposed in the mounting chuck (14).

5. The active control device for casting temperature zoning according to claim 4, characterized in that, The heating device (3) is a semi-circular ring structure, and two semi-circular ring structures are joined together to form a circular ring structure.

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