CN216441618U - Piston casting internal mold temperature data collection system - Google Patents
Piston casting internal mold temperature data collection system Download PDFInfo
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- CN216441618U CN216441618U CN202123230520.6U CN202123230520U CN216441618U CN 216441618 U CN216441618 U CN 216441618U CN 202123230520 U CN202123230520 U CN 202123230520U CN 216441618 U CN216441618 U CN 216441618U
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Abstract
The utility model provides a temperature data collecting system for a piston casting internal mold, which comprises two temperature measuring holes arranged in an internal mold body, wherein the two temperature measuring holes are respectively arranged at two sides of an internal mold cooling water channel; the temperature measuring device is in communication connection with the terminal equipment through a data line. This application is through directly going into the centre form work area with two temperature measuring device and carrying out the temperature measurement in, can acquire the temperature data of different positions in step, and the temperature data who records exports after data line transmission carries out fitting treatment and storage to remote terminal equipment, can accurately represent the real-time temperature of centre form, and the operator real time monitoring centre form temperature variation condition of being convenient for promotes the shaping quality of piston blank.
Description
Technical Field
The utility model relates to the technical field of piston machining, in particular to a temperature data collection system for a piston casting internal mold.
Background
In the traditional aluminum piston casting process, the temperature and the cooling speed of each component of a piston casting mold are usually controlled by technical means, so that sequential solidification of each part of a piston blank is realized, and finally the aluminum piston blank with ideal metallographic structure and performance is obtained. At present, the most effective method for controlling the temperature and cooling speed of each component of a piston casting mold is to introduce high-pressure cooling water into each component (such as an inner mold, a mold cover, a left outer mold and a right outer mold) of the casting mold, and then finally realize the purpose of controlling the temperature of the mold by controlling the flow rate and the water supply time of the cooling water.
The method is characterized in that the accurate control of the mold temperature of the working area of the cast inner mold in the whole casting system is a crucial link in the casting process, and if the fluctuation of the working temperature of the inner mold (normally between 280 ℃ and 360 ℃) is too large, the head of a piston blank may be shrunk or the appearance of a product may be defective.
Most of temperature measuring devices in the industry measure temperature at the far end of an inner mold, and the distance from a working area (the working area is shown in fig. 1) of the casting inner mold is far, so that certain deviation exists between the detected temperature and the actual temperature of the working area of the inner mold, the fluctuation condition of the temperature of the inner mold cannot be fed back in real time, and the misjudgment of monitoring personnel is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a piston casting internal mold temperature data collection system, which solves the technical problems that the existing piston casting internal mold temperature detection method is inaccurate in detection data, the detection system cannot automatically record and trace, and technicians are inconvenient in data research and analysis.
The utility model provides a temperature data collecting system for a piston casting internal mold, which comprises two temperature measuring holes arranged in an internal mold body, wherein the two temperature measuring holes are respectively arranged at two sides of an internal mold cooling water channel; the temperature measuring device is in communication connection with the terminal equipment through a data line.
Preferably, the measuring end of the temperature measuring device is arranged at the bottom of the temperature measuring hole.
Preferably, the two temperature measuring devices are symmetrically distributed relative to the internal mold cooling water channel.
Preferably, the two temperature measuring devices are arranged along the radial direction of the inner die body.
Preferably, the temperature measuring device comprises a temperature measuring body, a temperature measuring probe arranged at the temperature measuring end of the temperature measuring body and a fixing piece arranged at one end of the temperature measuring body far away from the temperature measuring probe, and the fixing piece is locked in the temperature measuring hole in a threaded manner.
Preferably, the length of the temperature measuring body is adjustable in a telescopic manner.
Preferably, the linear distance between the bottom of the temperature measuring hole and the inner wall of the inner die body is 10-12 mm.
According to the temperature data collection system for the piston casting internal mold, the two temperature measuring devices are directly inserted into the working area of the internal mold for measuring the temperature, so that the temperature data of different positions can be synchronously obtained, the measured temperature data are transmitted to the remote terminal equipment through the data line for fitting processing and storage and then output, the real-time temperature of the internal mold can be accurately represented, an operator can conveniently monitor the temperature change condition of the internal mold in real time, and the forming quality of a piston blank is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a piston casting inner mold to which the temperature data collecting system for the piston casting inner mold according to the present invention is applied;
FIG. 2 is a half-sectional view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a time-temperature curve diagram obtained by the temperature data collecting system for the piston casting internal mold provided by the utility model.
The temperature measuring device comprises an inner mold body 1, an inner mold cooling water channel 3, a data line 4, a temperature measuring hole 11, a temperature measuring probe 21, a temperature measuring body 22 and a fixing piece 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 2 to 4, fig. 2 is a half sectional view of fig. 1; FIG. 3 is a cross-sectional view A-A of FIG. 1; fig. 4 is a time-temperature curve diagram obtained by the temperature data collecting system for the piston casting internal mold provided by the utility model.
The utility model provides a temperature data collecting system for a piston casting internal mold, which is characterized in that two temperature measuring holes 11 are formed in an internal mold body 1, the two temperature measuring holes 11 are straight-line-shaped inner holes with circular sections, and the two temperature measuring holes 11 are respectively arranged on two sides of an internal mold cooling water channel 3. Each temperature measuring hole 11 is internally provided with a temperature measuring device, and the temperature measuring devices are inserted into the temperature measuring holes 11 and arranged along the depth direction of the temperature measuring holes 11 so that the measuring end parts of the temperature measuring devices are close to the hole bottom positions of the temperature measuring holes 11, and the temperature of the inner mold body 1 can be measured accurately. The mounting end of the temperature measuring device far away from the measuring end is fixedly mounted on the mounting end face of the inlet of the temperature measuring hole 11. The temperature measuring device is connected with terminal equipment such as an external computer through a data line 4 in a communication way.
The problem that piston casting centre form temperature detection technique detected data is inaccurate, detecting system can not automatic recording and trace back and the technical staff is inconvenient to data research analysis is considered in this application, through directly deepening interior mould work area with temperature measuring device and carry out the temperature measurement to adopt two temperature measuring device synchronous measurement, so set up, can ensure that the temperature data that acquire is more accurate, effective. The temperature data measured by the two temperature measuring devices are transmitted to equipment such as a terminal computer through a data line 4 to be subjected to fitting processing and data storage, and as shown in fig. 4, the temperature measurement result is displayed on a display of the terminal equipment for researchers to research and analyze the data.
This application simple structure, can the direct measurement centre form body 1's temperature, the temperature data who acquires are accurate, prevent that centre form operating temperature from appearing great fluctuation and causing piston blank head shrinkage porosity or product appearance defect to scrap in batches, through temperature measuring device real-time detection temperature, obtain continuous data curve, record entire system's temperature data, can observe the centre form temperature variation law in the piston product production process directly perceivedly from this, be convenient for study contrast the difference of temperature data between the different products, and can trace back the temperature data of product in the past, to the work of research accurate control casting centre form temperature, it provides data guidance to promote product quality.
In order to ensure that the acquired temperature data are more accurate, the measuring positions of the temperature measuring devices can be further adjusted, the two temperature measuring devices are arranged at the hole bottom positions of the temperature measuring holes 11, and the two temperature measuring devices can be directly contacted or kept at a distance not greater than 10mm, so that the air contact space can be reduced to ensure the accuracy of measurement.
Further, in order to ensure the synchronism of the temperature detection of the two temperature measuring devices, the two temperature measuring holes 11 are symmetrically formed relative to the internal mold cooling water channel 3, so that the two temperature measuring devices are symmetrically distributed relative to the internal mold cooling water channel 3. The measurement is accurate, and the measurement hole is convenient to process. Meanwhile, the two temperature measuring devices are preferably, but not limited to, arranged along the radial direction of the inner die body 1.
In a specific embodiment, the temperature measuring device comprises a temperature measuring body 22, a temperature measuring probe 21 and a fixing part 23, the temperature measuring body 22 is of a cylindrical structure, the temperature measuring probe 21 is arranged at the temperature measuring end part of the temperature measuring body 22, a temperature sensing module is arranged in the temperature measuring probe, so that the temperature of the inner mold body 1 is detected, and the detection position of the temperature measuring probe 21 is adjusted through the measuring body. The fixing part 23 is arranged at one end of the temperature measuring body 22 far away from the temperature measuring probe 21, the fixing part 23 is provided with an installation hole, and the fixing part 23 is in interference fit with the temperature measuring body 22. The fixing piece 23 is provided with threads on the outer peripheral surface matched with the temperature measuring hole 11, the temperature measuring hole 11 is provided with a threaded hole, the fixing piece 23 is in threaded locking fit with the temperature measuring hole 11, and after the fixing piece 23 is in threaded locking fit with the temperature measuring hole 11, the step surface of the fixing piece 23 is attached to the installation plane of the inlet of the temperature measuring hole 11.
In this embodiment, the temperature measuring body 22 and the temperature measuring probe 21 can be made by modifying a conventional thermocouple, or a temperature measuring element can be used to realize a temperature measuring function. This kind of structure, the equipment is convenient, easily dismantles, and the temperature measuring device after the dismantlement can be applied to other piston casting centre forms and carry out the temperature measurement, realizes repeated turnover and uses, practices thrift the test cost.
It can be understood that, because the size of the centre form of difference is different, for improving the universality, can be with temperature measurement body 22 design for the flexible adjustable structure of length, temperature measurement body 22 can adopt components of a whole that can function independently suit structure, and the fitting surface between them of looks cartridge is equipped with the spout or is equipped with one row of spacing hole, and it is fixed to slide the regulation length rethread locking piece along the spout, perhaps slides the connection hole site of adjusting spacing hole, utilizes the fastener fixed. The structure enables the length of the temperature measuring device to be flexible and adjustable, so that the temperature measuring requirements of internal molds in different positions and different sizes can be met, the application range is widened, the temperature measuring device does not need to be replaced, and the measuring cost is saved.
The preferred straight line distance of the hole bottom of the temperature measuring hole 11 to the inner wall of the inner die body 1 is 10 mm-12 mm in the application, so that the phenomenon that the distance is too short to cause perforation in processing or too long to cause inaccurate temperature measurement is avoided. However, the present invention is not limited to this, and the setting may be performed according to actual needs.
To sum up, this application has structurally adjusted the position and the degree of depth of temperature measurement hole 11, adopts two temperature measuring device directly to go deep into interior mould work area and be close the working face and carry out the temperature measurement, can ensure that the temperature data of acquireing is more accurate effective, real-time measured data transmits to external terminal equipment through data line 4 on, terminal equipment is through the mode of taking the mean value to the temperature data point of acquireing carries out the fitting, and show on the display with the form of time(s) -temperature (DEG C) coordinate curve, supply the researcher to carry out research and analysis to data.
Through comparison of experimental data of a production field, the method is found to be accurate and effective in detecting the temperature data of the piston casting internal mold; technicians can observe the internal mold temperature change rule in the production process of a certain piston product more intuitively, and meanwhile, the difference and the similarity of temperature data among different products can be compared; and, can record the data of the past product, in order to trace back in the future.
The piston casting internal mold temperature data collection system provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (7)
1. The temperature data collection system for the piston casting inner mold is characterized by comprising two temperature measuring holes (11) arranged in an inner mold body (1), wherein the two temperature measuring holes (11) are respectively arranged at two sides of an inner mold cooling water channel (3), a temperature measuring device is arranged in each temperature measuring hole (11), and the end part of each temperature measuring device is fixedly arranged on the inlet mounting end surface of the temperature measuring hole (11); the temperature measuring device is in communication connection with the terminal equipment through a data line (4).
2. The piston casting internal mold temperature data collection system according to claim 1, wherein the measuring end of the temperature measuring device is arranged at the bottom of the temperature measuring hole (11).
3. The piston casting internal mold temperature data collection system according to claim 1, wherein two of the temperature measuring devices are symmetrically distributed with respect to the internal mold cooling water passage (3).
4. The piston casting inner mold temperature data collection system according to claim 1, wherein two temperature measuring devices are arranged along a radial direction of the inner mold body (1).
5. The piston casting internal mold temperature data collection system according to any one of claims 1 to 4, characterized in that the temperature measurement device comprises a temperature measurement body (22), a temperature measurement probe (21) arranged at a temperature measurement end part of the temperature measurement body (22), and a fixing piece (23) arranged at one end of the temperature measurement body (22) far away from the temperature measurement probe (21), wherein the fixing piece (23) is locked in the temperature measurement hole (11) in a threaded manner.
6. The piston casting internal mold temperature data collection system according to claim 5, characterized in that the length of the temperature measuring body (22) is telescopically adjustable.
7. The piston casting internal mold temperature data collection system according to claim 1, wherein the straight line distance from the bottom of the temperature measuring hole (11) to the inner wall of the internal mold body (1) is 10mm to 12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123230520.6U CN216441618U (en) | 2021-12-21 | 2021-12-21 | Piston casting internal mold temperature data collection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123230520.6U CN216441618U (en) | 2021-12-21 | 2021-12-21 | Piston casting internal mold temperature data collection system |
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| CN216441618U true CN216441618U (en) | 2022-05-06 |
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| CN202123230520.6U Active CN216441618U (en) | 2021-12-21 | 2021-12-21 | Piston casting internal mold temperature data collection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283649A (en) * | 2022-10-10 | 2022-11-04 | 中信戴卡股份有限公司 | Closed-loop control method and system for mold temperature in wheel casting process |
| CN117232670A (en) * | 2023-11-09 | 2023-12-15 | 希科半导体科技(苏州)有限公司 | Temperature measuring device |
-
2021
- 2021-12-21 CN CN202123230520.6U patent/CN216441618U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283649A (en) * | 2022-10-10 | 2022-11-04 | 中信戴卡股份有限公司 | Closed-loop control method and system for mold temperature in wheel casting process |
| CN115283649B (en) * | 2022-10-10 | 2022-12-13 | 中信戴卡股份有限公司 | Mold temperature closed-loop control method and system in wheel casting process |
| CN117232670A (en) * | 2023-11-09 | 2023-12-15 | 希科半导体科技(苏州)有限公司 | Temperature measuring device |
| CN117232670B (en) * | 2023-11-09 | 2024-02-20 | 希科半导体科技(苏州)有限公司 | Temperature measuring device |
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