CN217418511U - Temperature control device of special-shaped curved surface glass observation window mold - Google Patents
Temperature control device of special-shaped curved surface glass observation window mold Download PDFInfo
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- CN217418511U CN217418511U CN202220897018.6U CN202220897018U CN217418511U CN 217418511 U CN217418511 U CN 217418511U CN 202220897018 U CN202220897018 U CN 202220897018U CN 217418511 U CN217418511 U CN 217418511U
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- control device
- temperature control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The utility model discloses a temperature control device of a special-shaped curved surface glass observation window mould, which comprises a concave mould; the female die is provided with a temperature control device and an auxiliary heating/cooling device, and the temperature of the female die is adjusted by controlling the auxiliary heating/cooling device through the temperature control device. Therefore, the temperature control device is used for controlling the temperature of the mold, and the stability and the yield of the glass product are improved. The problems that when the profiling glass is put into a liquid gob in a cavity of a female die and contacts with the die, the surface of the die expands due to heating to generate residual stress, so that microcracks are generated on the surface of a product, and a difference value is generated due to cold shrinkage are solved.
Description
Technical Field
The utility model relates to a glass observation window mould, the temperature control device of dysmorphism curved surface glass observation window mould specifically says so.
Background
In the forming process of the high-fall special-shaped curved glass, the phenomena of cold lines, demoulding marks, hot spots and the like of a product are difficult to control by the conventional method, and particularly, microcracks generated on the surface of the product cannot meet the requirement of impact resistance stability of the observation window glass of a washing machine. The reasons for this are that the liquid material drop is put into the cavity of the concave die, when the liquid glass drop contacts with the die, the surface of the die expands due to heating, the liquid glass drop shrinks due to cooling, a difference value of 1% -2% exists between the two, namely the viscosity of the liquid glass drop is increased when the liquid glass drop is cooled from 1200 ℃ to 450 ℃, the rheological property of the product with a high-fall abnormal curved surface shape is rapidly lost, the difference of the rheological property of the product is increased, so that residual stress is generated on the product, and the defects of microcracks, cold lines, demoulding marks, hot spots and the like are generated on the local surface of the product due to untimely heat storage and cooling of the abnormal die. On the other hand, the same mold is affected by seasonal environment temperature, and defects are caused by temperature difference in the glass forming process, so that the influence of the mold structure and temperature control on the glass quality in the forming process is very important.
Disclosure of Invention
In view of the above-mentioned current situation, the utility model provides a temperature control device of dysmorphism curved surface glass observation window mould has improved glassware's stability and qualification rate through monitoring and closed-loop control to the mould temperature.
The technical solution of the utility model is that: the temperature control device of the special-shaped curved surface glass observation window mould comprises a concave mould; the female die is provided with a temperature control device and an auxiliary heating/cooling device, and the female die is heated and temperature-regulated by the temperature control device and the auxiliary heating/cooling device.
In the novel temperature control device, the temperature control device comprises three infrared temperature sensing probes which are respectively arranged above, on the side surface and at the bottom of a female die, the probes collect temperature analog quantity, and a proportional valve controller is controlled through PLC closed loop operation; the controller is connected with the auxiliary heating/cooling device to control the proportional valve.
In the novel auxiliary heating device, the auxiliary heating device comprises two flame rings with flame holes, the flame rings are connected with a proportional valve, the proportional valve is connected with an air source, and the proportional valve is connected with a proportional valve controller; the flame-throwing ring is arranged around and above the female die in a surrounding manner.
In the novel cooling device, the auxiliary cooling device comprises two compressed air pipes with the diameter of phi 10mm, the air pipes are connected with a proportional valve, the proportional valve is connected with an air source, and the proportional valve is connected with a proportional valve controller; the air pipe is arranged at the bottom of the female die and the convex part of the special-shaped curved surface on the side surface.
The utility model has the advantages that: through temperature control device, when making die mould glass drop and mould contact in the die cavity of throwing into liquid material, avoided the mould surface to produce residual stress because of the thermal expansion, lead to the problem that the product surface produced the crazing line and receive the cold shrink and produce the difference.
Drawings
Figure 1 is a schematic view of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings of the embodiments.
The temperature control device of the special-shaped curved surface glass observation window mold shown in the figure 1 comprises a female mold 1, wherein an infrared temperature sensing probe 3, an auxiliary heating device 4 and an auxiliary cooling device 5 are arranged above, on the side surface and at the bottom of the female mold 1, and the temperature control device 2 is used for controlling the auxiliary heating device 4 and the auxiliary cooling device 5 to regulate the temperature of the female mold 1. In this embodiment, the temperature control device 2 includes an infrared temperature sensing probe 3, the infrared temperature sensing probe 3 is mounted on each part of the female die 1 and connected to the temperature control device 2, and the temperature control device 2 is connected to an auxiliary heating device 4 and an auxiliary cooling device 5 to control the gas passing amount. In the novel heating device, the auxiliary heating device 4 comprises a flame projecting ring 6 distributed with flame projecting holes, the flame projecting ring 6 is connected with a proportional valve 7, and the proportional valve 7 is connected with an air source 8; the proportional valve 7 is connected with the temperature control device 2 to control the gas throughput, and the flame ring 6 is arranged around the female die 1. In the novel heating device, the auxiliary heating device 5 comprises an air pipe 9, the air pipe 9 is connected with a proportional valve 7, and the proportional valve 7 is connected with a compressed air source 10; the proportional valve 7 is connected with the temperature control device 2 to control the gas passing amount, and the air pipe 9 is arranged at the bottom of the female die 1 and the convex part of the special-shaped curved surface on the side surface in a surrounding way.
The specific working method comprises the following steps:
1. when the infrared temperature sensing probe 3 around the female die 1 senses that the temperature of the female die 1 is normal, the auxiliary heating device 4 and the auxiliary cooling device 5 on the infrared temperature sensing probe are not started.
2. When the infrared temperature sensing probe 3 around the female die 1 senses that the temperature of the female die 1 is low, the temperature is transmitted to the temperature control device 2 through the infrared temperature sensing probe 3, the proportional valve 7 is opened, the gas source 8 enters the auxiliary heating device 4 through the proportional valve 7 to be ignited, so that the combustion gas is combusted in the flame ring 6, and the female die 1 is preheated to meet the temperature requirement.
3. When the infrared temperature sensing probe 3 senses that the temperature of the female die 1 is high, the temperature control device 2 closes the auxiliary heating device 4, opens the first proportional valve 7-1, supplies air to the compressed air source 10, and supplies air to the air pipe 9 through the cooling device to cool the female die 1 to the temperature requirement.
Claims (4)
1. The temperature control device of the special-shaped curved surface glass observation window mould comprises a concave mould; the device is characterized in that a temperature control device and an auxiliary heating device are arranged at the female die part, and the female die is heated and temperature-regulated through the temperature control device, the auxiliary heating device and the auxiliary cooling device.
2. The temperature control device of the special-shaped curved surface glass observation window mold as claimed in claim 1, wherein the temperature control device comprises infrared temperature sensing probes, the probes are respectively arranged above, on the side surface and at the bottom of the female mold, the probes collect temperature analog quantities, and the proportional valve controller is controlled through PLC closed loop operation; the controller is connected with the auxiliary heating/cooling device to control the proportional valve.
3. The temperature control device for the special-shaped curved glass observation window mold according to claim 1, wherein the auxiliary heating device comprises a flame ring with flame holes, the flame ring is connected with a proportional valve, the proportional valve is connected with an air source, and the proportional valve is connected with a proportional valve controller; the flame-throwing ring is arranged around and above the female die in a surrounding manner.
4. The temperature control device for the special-shaped curved glass observation window mold according to claim 1, wherein the auxiliary cooling device comprises two compressed air pipes with the diameter of phi 10mm, the air pipes are connected with a proportional valve, the proportional valve is connected with an air source, and the proportional valve is connected with a proportional valve controller; the air pipe is arranged at the bottom of the female die and the convex part of the special-shaped curved surface on the side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220897018.6U CN217418511U (en) | 2022-04-19 | 2022-04-19 | Temperature control device of special-shaped curved surface glass observation window mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220897018.6U CN217418511U (en) | 2022-04-19 | 2022-04-19 | Temperature control device of special-shaped curved surface glass observation window mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217418511U true CN217418511U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220897018.6U Active CN217418511U (en) | 2022-04-19 | 2022-04-19 | Temperature control device of special-shaped curved surface glass observation window mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217418511U (en) |
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2022
- 2022-04-19 CN CN202220897018.6U patent/CN217418511U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The Temperature Control Device of the Observation Window Mold for Irregular Curved Glass Effective date of registration: 20230817 Granted publication date: 20220913 Pledgee: Qinhuangdao Branch of Bank of Communications Co.,Ltd. Pledgor: Qinhuangdao Great Wall Glass Industry Co.,Ltd. Registration number: Y2023980052718 |