CN115290033A - Detection apparatus for detect foundry goods temperature and deformation simultaneously - Google Patents
Detection apparatus for detect foundry goods temperature and deformation simultaneously Download PDFInfo
- Publication number
- CN115290033A CN115290033A CN202210936290.5A CN202210936290A CN115290033A CN 115290033 A CN115290033 A CN 115290033A CN 202210936290 A CN202210936290 A CN 202210936290A CN 115290033 A CN115290033 A CN 115290033A
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- temperature
- bracket
- deformation
- mold
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
- B22D2/006—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass for the temperature of the molten metal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention provides a detection device for simultaneously detecting the temperature and deformation of a casting, which comprises: the base is provided with a bottom plate and a vertical plate positioned on the bottom plate; the mould is positioned on the bottom plate, positioned on one side of the vertical plate and fixedly connected with the vertical plate; the bracket is arranged on the bottom plate and is positioned on the other side of the vertical plate; the displacement sensors are used for measuring the deformation of the metal melt in the mold in the cooling process and are fixed on the support; the temperature sensors are used for measuring the internal temperature change of the metal melt in the mold in the cooling process, the wiring terminals of the temperature sensors are connected with the detection ends of the displacement sensors, and the temperature measurement ends of the temperature sensors are inserted into the mold through the vertical plate and the mounting holes in the mold in sequence; the displacement sensor is configured to be freely movable in the axial direction along the mounting hole. The invention can simultaneously measure the temperature and deformation data of the same part of the casting, and the data of the temperature and the deformation have high consistency.
Description
Technical Field
The invention relates to the technical field of casting detection, in particular to a detection device for simultaneously detecting the temperature and deformation of a casting.
Background
The conventional detection device for the casting temperature and the deformation detects the casting temperature and the deformation respectively, but the application of the detection device for simultaneously detecting the temperature and the deformation data is very difficult. This structure has the following disadvantages: 1. the temperature evolution and the deformation of the casting in the solidification process are respectively measured, and the temperature and the deformation of the same casting part cannot be simultaneously detected; 2. for the detection of the temperature and deformation in the casting solidification process, the model of the casting in the original method is not unified and can not be standardized, so that the contrast and reference value are not available; 3. the original method cannot replace the die, so the method cannot be suitable for alloys with different melting points, especially alloys with the melting point of more than 1500 ℃ such as high-temperature alloys.
Through search, the following results are found:
the Chinese patent with the application publication number of CN108380855A discloses a device and a method for monitoring the internal temperature of a large casting in the cooling process. According to the internal temperature monitoring device for the cooling process of the large casting, disclosed by the invention, the temperature of the cooling process of the large casting is measured by using the thermocouple and the external equipment, so that the temperature change of the cooling process of the casting is known, and the reasonable taking-out time of the casting is determined, so that the problems of deformation and stress of the casting can be effectively controlled, and the turnover efficiency of producing a sand box is improved. However, the invention still has the following problems: only the temperature can be detected, and the temperature and the displacement of the casting cannot be detected simultaneously.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a detection device for simultaneously detecting the temperature and deformation of a casting, which can simultaneously measure the temperature and deformation data of the same part of the casting, and the data of the temperature and the deformation have high consistency.
The invention is realized by the following technical scheme:
according to one aspect of the present invention, there is provided a detection apparatus for simultaneously detecting a temperature and deformation of a casting, comprising:
a base having a floor and risers located on the floor;
the mould is positioned on the bottom plate, positioned on one side of the vertical plate and fixedly connected with the vertical plate;
the bracket is arranged on the bottom plate and is positioned on the other side of the vertical plate;
a plurality of displacement sensors for measuring the deformation of the metal melt in the mold during the cooling process, the displacement sensors being fixed to the support;
the temperature sensors are used for measuring the internal temperature change of the metal melt in the mold in the cooling process, the wiring terminals of the temperature sensors are connected with the detection ends of the displacement sensors, and the temperature measurement ends of the temperature sensors are inserted into the mold sequentially through the vertical plate and the mounting holes in the mold; the displacement sensor is configured to be freely movable axially along the mounting hole.
Furthermore, a plurality of bracket mounting holes for mounting the bracket are formed in different positions on the base, the diameters of the plurality of bracket mounting holes are the same, and the bracket is mounted in the corresponding bracket mounting hole according to the initial position of the bracket.
Furthermore, the bracket is fixedly connected with the base through a fixing bolt at the bracket mounting hole.
Furthermore, a plurality of mounting grooves for mounting the displacement sensors are formed in the support, the mounting grooves are fixedly connected with the support through fasteners, and the displacement sensors are mounted in the corresponding mounting grooves according to the initial positions of the temperature sensors and the displacement sensors.
Further, the fastener is a positioning bolt.
Further, the mold is configured to be replaceable, both the material of the mold and the internal cavity dimensions of the mold being replaceable.
Further, the mould passes through fastening bolt and riser fixed connection.
Further, the temperature sensor is a thermocouple temperature sensor; the distance for inserting the temperature measuring end of the temperature sensor into the die is adjustable.
Furthermore, the temperature sensors and the displacement sensors are uniformly distributed and arrayed along the height direction of the support.
Further, detection device still includes the shell, the shell cover is located the support, displacement sensor with temperature sensor's outside, the shell with base fixed connection.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the detection device for simultaneously detecting the temperature and the deformation of the casting, the temperature sensor and the displacement sensor can synchronously move, so that the temperature and the deformation data of the same part of the casting can be simultaneously measured, and the temperature and the deformation data have high consistency.
2. The detection device for simultaneously detecting the temperature and the deformation of the casting has the advantages that the mold is replaceable, the temperature and the deformation of metals and alloys with different melting points in the solidification process can be measured, and the application range of the temperature and deformation measurement of the casting is expanded.
3. The detection device for simultaneously detecting the temperature and the deformation of the casting has higher flexibility, and can measure the side temperature and the deformation data of the casting with different wall thicknesses only by replacing the mold, thereby improving the working efficiency of measurement.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a detection device for simultaneously detecting the temperature and deformation of a casting according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a detection apparatus for simultaneously detecting temperature and distortion of a casting according to an embodiment of the present invention;
FIG. 3 is a schematic longitudinal sectional view of a detection apparatus for simultaneously detecting temperature and deformation of a casting according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a detection apparatus for simultaneously detecting temperature and deformation of a casting according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the distribution of temperature sensors in an embodiment of the present invention;
in the figure: 1 is the mould, 2 is the base, 21 is the bottom plate, 22 is the riser, 3 is temperature sensor, 4 is displacement sensor, 5 is the support, 6 is the shell, 7 is fastening bolt, 8 is fixing bolt, 9 is the bolt, 10 is the fastener.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will aid those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any manner. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
The embodiment of the invention provides a detection device for simultaneously detecting the temperature and deformation of a casting, and the detection device comprises a base 2, a mould 1, a bracket 5, a plurality of displacement sensors 4 and a plurality of temperature sensors 3, wherein the base is provided with a plurality of positioning holes; the base 2 is provided with a bottom plate 21 and a vertical plate 22 positioned on the bottom plate 21, and the mould 1 is arranged on the bottom plate 21 of the base 2; the mould 1 is positioned at one side of a vertical plate 22 and is fixedly connected with the vertical plate 22; the bracket 5 is arranged on the bottom plate 21 of the base 2, and the bracket 5 is positioned on the other side of the vertical plate 22; the displacement sensors 4 are used for measuring the deformation of the metal melt in the mold 1 in the cooling process, and the displacement sensors 4 are fixed on the bracket 5; the plurality of temperature sensors 3 are used for measuring the internal temperature change of the metal melt in the mold 1 in the cooling process, the wiring terminals of the temperature sensors 3 are connected with the detection ends of the displacement sensors 4, namely, the displacement detection parts, preferably, the wiring terminals of the temperature sensors 3 are connected with the detection ends of the displacement sensors 4 in a gluing connection mode, for example, glue can be used for gluing and fixing, the temperature measurement ends of the temperature sensors 3 are inserted into the mold 1 sequentially through the vertical plates 22 of the base 2 and the mounting holes on the mold 1, the mounting holes are used for inserting the temperature sensors 3 for measurement, specifically, 6 mounting holes are respectively formed in the corresponding positions of the vertical plates 22 of the mold 1 and the base 2, and the positions of the 6 mounting holes are uniformly distributed, and those skilled in the art can understand that the positions and the number of the mounting holes can be appropriately adjusted according to specific conditions and actual needs; the mounting hole is the columniform through-hole, and the mounting hole aperture slightly is greater than the diameter of temperature detect subassembly ceramic rod of temperature sensor 3, and both are clearance fit promptly, and displacement sensor 4 is configured to can be along base 2 and the axial free movement of the mounting hole of mould 1 to reach the purpose that detects the displacement, and the displacement numerical value that detects the gained is the numerical value that the foundry goods solidifies the deformation, thereby has obtained the temperature and the deformation data of the same position of foundry goods simultaneously. In the embodiment of the invention, the temperature sensor 3 and the displacement sensor 4 can move synchronously, so that the temperature and deformation data of the same part of the casting in the solidification process can be measured simultaneously, and the data of the temperature and the deformation have high consistency.
In order to adjust the initial position of the bracket 5 to adapt to the sizes of different temperature sensors 3, in some embodiments, a plurality of bracket mounting holes for mounting the bracket 5 are formed in different positions on the base 2, the diameters of the plurality of bracket mounting holes are the same, the bracket 5 is mounted in the corresponding bracket mounting hole according to the initial position of the bracket 5, and the position of the mounting hole 5 needs to ensure that the temperature measuring end of the temperature sensor 3 is in the proper position in the cavity of the mold and that the displacement sensor 4 can be correctly mounted in the measuring range.
In some preferred embodiments, to achieve the fixed connection of the bracket 5 and the base 2, the bracket 5 is fixedly connected with the base 2 at the bracket mounting hole through a fixing bolt 8. Of course, in other embodiments, other types of fasteners may be used to fixedly connect the bracket 5 and the base 2, and this is not particularly limited in the embodiments of the present invention.
In order to achieve the purpose of adjusting the initial positions of the temperature sensor 3 and the displacement sensor 4, a plurality of mounting grooves for mounting the displacement sensor 4 are formed in the support 5, the positions of the mounting grooves are required to ensure that the measuring rods of the displacement sensor 4 and the temperature sensor 3 are on the same straight line, and the mounting grooves and mounting holes in the die are required to be matched with each other for processing. The mounting grooves are fixedly connected with the bracket 5 through fasteners 10, and the displacement sensors 4 are mounted in the corresponding mounting grooves according to the initial positions of the temperature sensors 3 and the displacement sensors 4. The mounting position of the support is adjusted through the support mounting hole, and the mounting position of the displacement sensor is adjusted through the mounting groove, so that the position accuracy of the displacement sensor can be improved.
In some preferred embodiments, the fastener 10 may be a positioning bolt in order to achieve a fixed connection of the displacement sensor 4 and the bracket 5.
Of course, in other embodiments, other types of fasteners may be used, as long as the same function as in the embodiments of the invention is achieved.
In some preferred embodiments, in order to realize the fixed connection of the mold 1 and the base 2, the mold 1 is fixedly connected with the vertical plate 22 through the fastening bolts 7. Of course, in other embodiments, other types of fasteners may be used to fixedly connect the mold 1 and the base 2, which is not specifically limited in this embodiment of the present invention.
In some embodiments, the mold 1 is configured to be replaceable, both the material of the mold 1 and the internal cavity dimensions of the mold 1 being replaceable. Specifically, temperature and deformation data of castings of different metals and alloys with different wall thicknesses in the solidification process are measured by replacing the die 1, and detection results have comparability and reference value. The temperature and deformation data of metals and alloys with different melting points are tested by replacing the material of the die 1, for example, graphite is used as the die material and is suitable for low-melting-point alloys such as aluminum alloy and the like; the fused quartz is used as a mold material and is suitable for high-melting-point alloys such as high-temperature alloys; by varying the dimensions of the internal cavity of the mould 1, it is possible to measure the temperature and deformation data of castings of different thicknesses, which greatly enlarges the range of application of the device for detection.
To measure temperature and displacement deformation values at different locations of the casting, in some embodiments, the temperature sensor 3 may be a thermocouple temperature sensor; the distance of the temperature measuring end of the temperature sensor 3 inserted into the mold 1 is adjustable, and specifically, the insertion distance is measured and marked in advance on the temperature sensor 3 such as a thermocouple temperature sensor to adjust the distance of the thermocouple temperature sensor inserted into the mold 1. Different plunge distances can measure temperature changes at different depths below the interior surface of the casting to obtain a temperature gradient and time-dependent change below the surface of the casting.
In some embodiments, the temperature sensors 3 and the displacement sensors 4 are arranged in an evenly-distributed array along the height direction of the bracket 5, as shown in fig. 5, the temperature sensors 3 are evenly distributed in 3 rows by 2 columns, which is beneficial to improving the accuracy and precision of measurement.
In other embodiments, the number and distribution of the temperature sensors 3 and the displacement sensors 4 can be varied to achieve simultaneous temperature and deformation measurements for the actual casting to meet the measurement requirements.
The detection device for detecting the temperature and deformation of the casting in the embodiment further comprises a shell 6, the shell 6 is sleeved outside the support 5, the displacement sensor 4 and the temperature sensor 3, and in some preferred embodiments, in order to realize the fixed connection between the shell 6 and the base 2, the shell 6 is fixedly connected with the base 2 through a bolt 9.
In order to measure the pressure of the molten metal in the mould 1 during cooling, it will be appreciated that in other embodiments the displacement sensor 4 may also be replaced by a pressure sensor for testing pressure data during solidification of the casting. Adjustments and variations to the displacement sensor are also within the scope of the present invention.
The above embodiment of the invention has the following beneficial effects: according to the detection device for simultaneously detecting the temperature and the deformation of the casting, the temperature sensor and the displacement sensor can move synchronously, so that the temperature and the deformation data of the same part of the casting can be simultaneously measured, and the temperature and the deformation data have high consistency. In addition, the mould has replaceability, and can be used for measuring the temperature and deformation of metals and alloys with different melting points in the solidification process, thereby enlarging the application range of measuring the temperature and deformation of the casting. The detection device in the embodiment of the invention has higher flexibility, and can measure the side temperature and deformation data of the castings with different wall thicknesses only by replacing the die, thereby improving the working efficiency of measurement.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The above-described preferred features may be used in any combination without conflict with each other.
Claims (10)
1. A detection device for simultaneously detecting the temperature and deformation of a casting is characterized by comprising:
a base having a floor and risers located on the floor;
the mould is positioned on the bottom plate, positioned on one side of the vertical plate and fixedly connected with the vertical plate;
the bracket is arranged on the bottom plate and is positioned on the other side of the vertical plate;
a plurality of displacement sensors for measuring the deformation of the metal melt in the mold during the cooling process, wherein the displacement sensors are fixed on the bracket;
the temperature sensors are used for measuring the internal temperature change of the metal melt in the mold in the cooling process, the wiring terminals of the temperature sensors are connected with the detection ends of the displacement sensors, and the temperature measurement ends of the temperature sensors are inserted into the mold sequentially through the vertical plate and the mounting holes in the mold; the displacement sensor is configured to be freely movable axially along the mounting hole.
2. The apparatus of claim 1, wherein a plurality of bracket mounting holes are formed at different positions on the base for mounting the bracket, the bracket mounting holes have the same diameter, and the bracket is mounted in the corresponding bracket mounting hole according to an initial position of the bracket.
3. A device for simultaneously detecting the temperature and deformation of a casting according to claim 2, wherein the bracket is fixedly connected with the base at the bracket mounting hole through a fixing bolt.
4. The apparatus of claim 1, wherein the support has a plurality of mounting slots for mounting the displacement sensor, the mounting slots are fixedly connected to the support via fasteners, and the displacement sensor is mounted in the corresponding mounting slot according to the initial positions of the temperature sensor and the displacement sensor.
5. The apparatus of claim 4, wherein the fastener is a set bolt.
6. A simultaneous detection apparatus for temperature and deformation of a casting according to claim 1, wherein said mold is configured to be replaceable, both in material of said mold and in internal cavity dimensions of said mold.
7. The apparatus of claim 1, wherein the mold is fixedly connected to the riser by fastening bolts.
8. The apparatus for simultaneously sensing the temperature and deformation of a casting according to claim 1, wherein said temperature sensor is a thermocouple temperature sensor; the distance for inserting the temperature measuring end of the temperature sensor into the die is adjustable.
9. The apparatus of claim 1, wherein the temperature sensor and the displacement sensor are arranged in an array that is evenly spaced along the height of the support.
10. A device for detecting the temperature and deformation of a casting according to any one of claims 1 to 9, further comprising a housing, wherein the housing is sleeved outside the bracket, the displacement sensor and the temperature sensor, and the housing is fixedly connected with the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210936290.5A CN115290033A (en) | 2022-08-05 | 2022-08-05 | Detection apparatus for detect foundry goods temperature and deformation simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210936290.5A CN115290033A (en) | 2022-08-05 | 2022-08-05 | Detection apparatus for detect foundry goods temperature and deformation simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115290033A true CN115290033A (en) | 2022-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210936290.5A Pending CN115290033A (en) | 2022-08-05 | 2022-08-05 | Detection apparatus for detect foundry goods temperature and deformation simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115290033A (en) |
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2022
- 2022-08-05 CN CN202210936290.5A patent/CN115290033A/en active Pending
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