A casting quality monitoring device

Abstract

The present invention discloses a casting quality monitoring device, which includes a coolant temperature monitoring mechanism, a refining monitoring mechanism, a raw material detection mechanism, and a data analysis mechanism. The data analysis mechanism is electrically connected to the coolant temperature monitoring mechanism, the refining monitoring mechanism, and the raw material detection mechanism respectively; the coolant temperature monitoring mechanism includes a cooling jacket arranged outside the mold. Liquid inlet and outlet pipes are respectively connected to both ends of the cooling jacket. One end of the liquid inlet pipe far away from the cooling jacket is connected with a buffer member, one end of the buffer member far away from the liquid inlet pipe is connected with a liquid supply pipe, and a temperature measuring mechanism is arranged on the buffer member. The present invention can respectively detect the temperature of the coolant before entering the cooling jacket and the temperature of the coolant coming out of the cooling jacket, so as to monitor the cooling rate of the casting.

Description

Technical Field

[0001] The present invention relates to the technical field of casting, and more specifically, to a device for monitoring the casting quality of castings. Background Art

[0002] In the manufacturing process of castings, casting is a crucial step, which directly affects the microstructure, mechanical properties of castings, as well as subsequent processing and applications. There are some deficiencies in traditional casting control methods for aluminum castings, mainly manifested in the following aspects: Purity problem of molten aluminum: In the refining process, there is a lack of real-time and effective monitoring. Problems such as temperature loss of molten aluminum during the process, insufficient refining, and incomplete impurity removal lead to the molten aluminum not meeting the requirements of the casting process, resulting in poor forming such as slag inclusions, as well as problems such as unqualified composition and tissue properties; Filling integrity problem: The temperature of molten aluminum, the structure of the mold, the setting of the temperature field, etc. affect the filling efficiency and feeding of molten aluminum, and it is easy to generate problems such as filling defects and shrinkage porosity; Cooling uniformity problem: During the cooling process of aluminum castings, due to differences in factors such as the geometric shape, wall thickness, and distribution of the cooling medium in different regions of the casting, the cooling speeds are inconsistent, and it is easy to generate uneven cooling phenomena, which may cause stress concentration and deformation inside the casting, affecting the quality and performance of the casting; Casting efficiency problem: Traditional casting control methods may lead to low cooling efficiency, extended production cycles, increased energy consumption and production costs due to inaccurate temperature control of molten aluminum and cooling medium, unreasonable layout of cooling equipment, etc.; Insufficient monitoring of the casting process: In some existing casting control systems, the monitoring of the process is not comprehensive and accurate enough, lacking detection means such as real-time and effective temperature monitoring, flow detection, and composition detection, as well as data analysis means, making it difficult to detect and handle abnormal situations during the casting process in a timely manner. Summary of the Invention

[0003] The purpose of the present invention is to overcome the above deficiencies of the prior art and provide a device for monitoring the casting quality of castings.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] The present invention discloses a device for monitoring the casting quality of castings, including a coolant temperature monitoring mechanism, a refining monitoring mechanism, a raw material detection mechanism, and a data analysis mechanism. The data analysis mechanism is electrically connected to the coolant temperature monitoring mechanism, the refining monitoring mechanism, and the raw material detection mechanism respectively; The coolant temperature monitoring mechanism includes a cooling jacket arranged outside the mold. The two ends of the cooling jacket are respectively connected with a liquid inlet pipe and a liquid outlet pipe. One end of the liquid inlet pipe far away from the cooling jacket is connected with a buffer member. One end of the buffer member far away from the liquid inlet pipe is connected with a liquid supply pipe. A temperature measuring mechanism is arranged on the buffer member, and a temperature sensor three is arranged on the liquid outlet pipe.

[0006] The buffer member includes a diameter-expanded section, a detection section, a diameter-reduced section, and a diameter-varied section that are connected in sequence. The diameter of the end of the diameter-expanded section connected to the liquid supply pipe is smaller than the diameter of the end connected to the detection section. The diameter of the end of the diameter-reduced section connected to the detection section is larger than the diameter of the end connected to the diameter-varied section. The diameter of the end of the diameter-varied section connected to the diameter-reduced section is smaller than the diameter of the end connected to the liquid inlet pipe.

[0007] Furthermore, the connection between the liquid supply pipe and the diameter-expanded section is located below the center line of the detection section. The connection between the diameter-varied section and the diameter-reduced section is located above the center line of the detection section. An arc-shaped plate is provided above the detection section.

[0008] Furthermore, an installation hole is provided at the middle position of the arc-shaped plate. A sealing plug is provided in the installation hole. The temperature measurement mechanism includes a mounting seat installed on the upper part of the arc-shaped plate. A first temperature sensor and a second temperature sensor are installed at the lower part of the mounting seat. The first temperature sensor and the second temperature sensor pass through the sealing plug. The length of the first temperature sensor is smaller than the length of the second temperature sensor.

[0009] Furthermore, mounting blocks are installed on the outer periphery of the upper side wall of the diameter-expanded section. A guide plate is inserted into the mounting blocks. The guide plate is arc-shaped.

[0010] Furthermore, a limiting block is connected to the end of the guide plate located outside the mounting blocks.

[0011] Furthermore, a deceleration mechanism is installed inside the lower side wall of the diameter-reduced section.

[0012] Furthermore, a first through hole and a second through hole are provided in the lower side wall of the diameter-reduced section. The first through hole and the second through hole are connected. The first through hole communicates with the inner side of the side wall of the diameter-reduced section. The second through hole communicates with the outer side of the side wall of the diameter-reduced section. A stepped surface is formed between the first through hole and the second through hole. The deceleration mechanism includes a motor seat installed in the second through hole. The outer periphery of the motor seat abuts against the inner wall of the second through hole. A motor is installed on the side of the motor seat away from the first through hole. The motor is drivingly connected to a fan blade. The fan blade is located on the side of the motor seat close to the first through hole.

[0013] Furthermore, it further includes a fixing plate. A part of the fixing plate is located in the second through hole. The fixing plate can seal the fixing plate.

[0014] Furthermore, the refining monitoring mechanism is used to obtain relevant data of the refining furnace and send it to the data analysis mechanism. The relevant data of the refining furnace at least includes: the real-time temperature, atmosphere, stirring intensity parameters of the refining furnace, and the gas escape data during the refining process. The waste gas data at least includes: SO 2 concentration, NOX concentration, and dust content.

[0015] The beneficial effects of the present invention are as follows: By separately detecting the temperature of the coolant before entering the cooling jacket and the temperature of the coolant coming out of the cooling jacket, the cooling rate of the casting is monitored to ensure normal cooling of the casting; by providing a buffer member to slow down the flow rate of the coolant before entering the cooling jacket, the temperature measuring mechanism can more accurately detect the temperature of the coolant. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of a casting quality monitoring device in this embodiment;

[0017] Figure 2 It is a schematic structural diagram of a buffer member in this embodiment;

[0018] Figure 3 It is a schematic structural diagram of a speed reduction mechanism in this embodiment.

[0019] Reference numerals: 1, mold; 2, cooling jacket; 3, liquid supply pipe; 4, buffer member; 5, liquid inlet pipe; 6, temperature measuring mechanism; 7, liquid outlet pipe; 8, diameter expansion section; 9, detection section; 10, diameter reduction section; 11, variable diameter section; 12, arc plate; 13, speed reduction mechanism; 14, mounting seat; 15, mounting hole; 16, sealing plug; 17, temperature sensor one; 18, temperature sensor two; 19, mounting block; 20, guide plate; 21, limit block; 22, through hole one; 23, through hole two; 24, step surface; 25, sealing ring; 26, adjusting plate; 27, motor seat; 28, slot; 29, insert block; 30, motor; 31, fan blade; 32, fixing plate; 33, temperature sensor three. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] As shown in the attached Figure 1 - attached Figure 3 figures, a casting quality monitoring device includes a coolant temperature monitoring mechanism, a refining monitoring mechanism, a raw material detection mechanism, and a data analysis mechanism. The data analysis mechanism is electrically connected to the coolant temperature monitoring mechanism, the refining monitoring mechanism, and the raw material detection mechanism respectively.

[0022] The coolant temperature monitoring mechanism includes a cooling jacket 2 arranged outside the mold 1. Liquid inlet pipe 5 and liquid outlet pipe 7 are respectively connected to both ends of the cooling jacket 2. One end of the liquid inlet pipe 5 away from the cooling jacket 2 is connected to a buffer member 4. One end of the buffer member 4 away from the liquid inlet pipe 5 is connected to a liquid supply pipe 3. A temperature measuring mechanism 6 is arranged on the buffer member 4, and a temperature sensor III 33 is arranged on the liquid outlet pipe 7. The buffer member 4 includes a diameter-expanded section 8, a detection section 9, a diameter-reduced section 10, and a diameter-varied section 11 that are connected in sequence. The diameter of the end of the diameter-expanded section 8 connected to the liquid supply pipe 3 is smaller than the diameter of the end connected to the detection section 9. The diameter of the end of the diameter-reduced section 10 connected to the detection section 9 is larger than the diameter of the end connected to the diameter-varied section 11. The diameter of the end of the diameter-varied section 11 connected to the diameter-reduced section 10 is smaller than the diameter of the end connected to the liquid inlet pipe 5. Through the diameter settings of the diameter-expanded section 8, the detection section 9, the diameter-reduced section 10, and the diameter-varied section 11, the flow rate of the coolant supplied from the liquid supply pipe 3 slows down before entering the liquid inlet pipe 5, and the residence time of the coolant in the buffer member 4 becomes longer, enabling the temperature measuring mechanism 6 to come into contact with the coolant more fully, so that the temperature of the coolant can be detected more accurately. It provides accurate data for the subsequent temperature change of the coolant, so as to correctly detect the cooling rate of the casting, ensure the normal cooling of the casting, effectively release the internal stress of the casting, and avoid the occurrence of deformation and cracks.

[0023] The connection position between the liquid supply pipe 3 and the diameter-expanded section 8 is below the center line of the detection section 9. The connection position between the diameter-varied section 11 and the diameter-reduced section 10 is above the center line of the detection section 9. An arc-shaped plate 12 is arranged above the detection section 9, and the middle position of the arc-shaped plate 12 bulges upward. An installation hole 15 is provided at the middle position of the arc-shaped plate 12, and a sealing plug 16 is arranged in the installation hole 15. The temperature measuring mechanism 6 includes a mounting seat 14 installed on the upper part of the arc-shaped plate 12. A temperature sensor I 17 and a temperature sensor II 18 are installed at the lower part of the mounting seat 14. The temperature sensor I 17 and the temperature sensor II 18 pass through the sealing plug 16. The length of the temperature sensor I 17 is shorter than the length of the temperature sensor II 18. The bottom end of the temperature sensor I 17 is close to the center line of the detection section 9, and the bottom end of the temperature sensor II 18 is close to the bottom of the detection section 9.

[0024] The temperature sensor I 17 and the temperature sensor II 18 are set to detect the coolant temperature respectively, and the two detection results can be compared to eliminate the data with a large difference between the two, so as to ensure the accuracy of the detection results.

[0025] The bottom end of the second temperature sensor 18 is close to the bottom of the detection section 9, mainly targeting the temperature of the coolant directly entering the detection section 9 from the liquid supply pipe 3. After passing through the second temperature sensor 18, these coolants come into contact with the inner side of the lower side wall of the reduced-diameter section 10 and rise along the inner side of the inclined lower side wall of the reduced-diameter section 10. Since the diameter at the connection between the variable-diameter section 11 and the reduced-diameter section 10 is smaller, part of the coolant cannot pass directly through and will flow back along the upper side wall of the reduced-diameter section 10, the top of the detection section 9, and the upper side wall of the enlarged-diameter section 8. The flowing-back coolant converges with the coolant entering from the liquid supply pipe 3. Due to their different flow directions, they impact each other, thus slowing down the flow rate. The converged coolant flows towards the connection between the variable-diameter section 11 and the reduced-diameter section 10, and these coolants will pass through the first temperature sensor 17, and the first temperature sensor 17 monitors the temperature of these coolants.

[0026] The first temperature sensor 17 and the second temperature sensor 18 target different coolants for monitoring and can obtain more data for comparison.

[0027] An installation block 19 is installed on the outer periphery of the upper side wall of the enlarged-diameter section 8. A guide plate 20 is inserted through the installation block 19, and the guide plate 20 is arc-shaped. Holes consistent with the radian of the guide plate 20 are provided on the side wall of the enlarged-diameter section 8 and the installation block 19, so that the guide plate 20 can extend into the enlarged-diameter section 8 through the hole, and the guide plate 20 can move along the hole.

[0028] The setting of the guide plate 20 can, firstly, guide the coolant just entering the enlarged-diameter section 8 from the liquid supply pipe 3, making the coolant flow downward. Secondly, the guide plate 20 guides the flowing-back coolant, making the flowing-back coolant flow towards the lower end of the first temperature sensor 17. In this way, the coolants detected by the first temperature sensor 17 and the second temperature sensor 18 can be better distinguished, thus making the detection data more diverse.

[0029] A limiting block 21 is connected to the end of the guide plate 20 located outside the installation block 19. The limiting block 21 is used to limit the guide plate 20 to prevent the guide plate 20 from falling into the buffer member 4.

[0030] A deceleration mechanism 13 is installed inside the lower side wall of the reduced-diameter section 10. The deceleration mechanism 13 can operate actively to slow down the flow rate of the coolant in the buffer member 4. Through hole one 22 and through hole two 23 are provided in the lower side wall of the reduced-diameter section 10. Through hole one 22 and through hole two 23 are connected to each other. Through hole one 22 communicates with the inner side of the side wall of the reduced-diameter section 10, and through hole two 23 communicates with the outer side of the side wall of the reduced-diameter section 10. A step surface 24 is formed between through hole one 22 and through hole two 23. The deceleration mechanism 13 includes a motor base 27 installed in through hole two 23. The outer periphery of the motor base 27 abuts against the inner wall of through hole two 23. A motor 30 is installed on one side of the motor base 27 away from through hole one 22. The motor 30 is drivingly connected to a fan blade 31. The fan blade 31 is located on the side of the motor base 27 close to through hole one 22. The motor 30 drives the fan blade 31 to rotate, which can stir the coolant and at the same time make the coolant have a movement tendency to move from right to left, which is opposite to the movement tendency of the coolant entering from the liquid supply pipe 3, so that the coolant can produce an obvious deceleration effect.

[0031] A fixing plate 32 is also installed at through hole two 23. The fixing plate 32 has two parts. One part is located inside through hole two 23 and abuts against the motor 30, and the other part is fixed to the outer side of the side wall of the reduced-diameter section 10 by bolts, playing a role in sealing through hole two 23.

[0032] A sealing ring 25 is arranged in through hole one 22. One part of the sealing ring 25 is located inside through hole one 22 and is arranged in fit with the inner wall of through hole one 22. One part of the sealing ring 25 is located on the step surface 24 and is arranged in fit with the step surface 24. The sealing ring 25 plays a sealing role.

[0033] An adjusting plate 26 is detachably installed on the motor base 27. The adjusting plate 26 has a hole in the middle and is installed on the motor base 27. A slot 28 is provided on the side of the motor base 27 facing through hole one 22. A plug 29 is connected to the adjusting plate 26 and can be inserted into the slot 28. Adjusting plates 26 with different hole diameters can be installed on the motor base 27, so as to control the strength of stirring the coolant when the fan blade 31 rotates and produce different degrees of deceleration effects.

[0034] The refining monitoring mechanism is used to obtain the relevant data of the refining furnace and send it to the data analysis mechanism. The relevant data of the refining furnace at least includes: the real-time temperature, atmosphere, stirring intensity parameters of the refining furnace, and the gas escape data during the refining process. The waste gas data at least includes: SO 2 concentration, NOX concentration and dust content.

[0035] The above are only the preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the concept of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art, several improvements and refinements made without departing from the principle of the present invention should also be regarded as within the protection scope of the present invention.

Claims

1. A casting quality monitoring device, characterized in that: The invention comprises a cooling liquid temperature monitoring mechanism, wherein the cooling liquid temperature monitoring mechanism comprises a cooling jacket (2) arranged outside a mold (1), wherein two ends of the cooling jacket (2) are respectively connected to a liquid inlet pipe (5) and a liquid outlet pipe (7), wherein one end of the liquid inlet pipe (5) away from the cooling jacket (2) is connected to a buffer component (4), and one end of the buffer component (4) away from the liquid inlet pipe (5) is connected to a liquid supply pipe (3), wherein a temperature measuring mechanism (6) is arranged on the buffer component (4), and a temperature sensor (33) is arranged on the liquid outlet pipe (7), wherein the buffer component (4) comprises an expansion section (8), a detection section (9), and a reduction section ( 10) and a reducing section (11); the temperature measuring mechanism (6) comprises a mounting seat (14) mounted on the upper part of the arc plate (12), a temperature sensor 1 (17) and a temperature sensor 2 (18) being mounted on the lower part of the mounting seat (14), the length of the temperature sensor 1 (17) being less than the length of the temperature sensor 2 (18); a mounting block (19) is mounted on the outer periphery of the upper side wall of the expanding section (8), a guide plate (20) is inserted into the mounting block (19), and the guide plate (20) is arc-shaped; one end of the guide plate (20) located outside the mounting block (19) is connected to a limiting block (21).

2. A casting quality monitoring device according to claim 1, characterized in that: The connection between the liquid supply pipe (3) and the expanded diameter section (8) is located below the center line of the detection section (9), the connection between the reduced diameter section (11) and the reduced diameter section (10) is located above the center line of the detection section (9), and an arc plate (12) is provided above the detection section (9).

3. A casting quality monitoring device according to claim 2, characterized in that: A mounting hole (15) is provided in the middle of the arc-shaped plate (12), a sealing plug (16) is provided in the mounting hole (15), and the temperature sensor 1 (17) and the temperature sensor 2 (18) are provided through the sealing plug (16).

4. A casting quality monitoring device according to claim 1, characterized in that: It also includes a refining monitoring mechanism, a raw material testing mechanism, and a data analysis mechanism. The data analysis mechanism is electrically connected to the coolant temperature monitoring mechanism, the refining monitoring mechanism, and the raw material testing mechanism respectively.

5. A casting quality monitoring device according to claim 1, characterized in that: The diameter of the end of the expanded diameter section (8) connected to the liquid supply pipe (3) is smaller than the diameter of the end connected to the detection section (9); the diameter of the end of the reduced diameter section (10) connected to the detection section (9) is larger than the diameter of the end connected to the reduced diameter section (11); and the diameter of the end of the reduced diameter section (11) connected to the reduced diameter section (10) is smaller than the diameter of the end connected to the liquid inlet pipe (5).

6. A casting quality monitoring device according to claim 1, characterized in that: A speed reduction mechanism (13) is installed in the lower side wall of the reduced diameter section (10).

7. A casting quality monitoring device according to claim 6, characterized in that: The lower side wall of the reduced diameter section (10) is provided with a through hole 1 (22) and a through hole 2 (23), the through hole 1 (22) and the through hole 2 (23) are connected, the through hole 1 (22) is connected to the inner side of the side wall of the reduced diameter section (10), and the through hole 2 (23) is connected to the outer side of the side wall of the reduced diameter section (10), a step surface (24) is formed between the through hole 1 (22) and the through hole 2 (23), the reduction mechanism comprises a motor seat (27) installed in the through hole 2 (23), the outer periphery of the motor seat (27) abuts against the inner wall of the through hole 2 (23), a motor (30) is installed on the side of the motor seat (27) away from the through hole 1 (22), the motor (30) is driven and connected to a fan blade (31), and the fan blade (31) is located on the side of the motor seat (27) close to the through hole 1 (22).

8. A casting quality monitoring device according to claim 7, characterized in that: It also includes a fixing plate (32), a portion of which is located in the second through hole (23), and the fixing plate (32) is capable of closing the fixing plate (32).

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