Rolled glass forming process simulation device

Abstract

The invention discloses a rolled glass forming process simulation device, and belongs to the technical field of rolled glass production. The device comprises a material injection device, a transverse channel, a vertical stirring barrel, a falling channel, a narrowing outlet and a material receiving device which are sequentially communicated, a feed port and a discharge port I are respectively formed in two sides of the bottom of the material injection device; one side of the transverse channel is communicated with the discharge port I, and the other side of the transverse channel is provided with a discharge port II which is used for conveying materials to the vertical stirring barrel; a liftable stirring rod is arranged in the vertical stirring barrel; the falling channel comprises a first connecting port, an inclined channel and a second connecting port which are connected in sequence, the second connecting port is located below the first connecting port, and the horizontal inclination angle of the inclined channel is adjustable; the inner diameter of the narrowing outlet is gradually shrunk in the flowing direction of the materials; the material receiving device is arranged below the narrowing outlet and used for receiving and metering the materials. The method is used for solving the technical problem that rolled glass forming depends on production line trial production verification.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of calendaring glass production, in particular to a calendaring glass forming process simulation device. BACKGROUND

[0002] In the whole production process of calendaring glass, the forming link is the core process that determines the final quality of the product. The glass liquid needs to be melted in the kiln first, then enters the noble metal channel, completes the homogenization treatment in the stirring barrel, and then is flattened by the gravity action through the special channel and nozzle, and then enters the calender for calendaring, annealing, and finally forms the finished product calendaring glass through the cold end treatment. Among them, the state of the glass liquid before leaving the nozzle into the calender is affected by many factors in the forming process, and the state of the glass liquid when leaving the nozzle directly determines the quality of the glass calendaring forming.

[0003] At present, the forming process of calendaring glass in the industry mainly depends on the actual production line. In the existing technical system, the optimization and verification of the forming structure need to be carried out after the actual production line is built and put into operation. By observing the quality defects of the final product, the flow state of the glass liquid in the forming process is reversely inferred, and then the forming structure parameters are adjusted. The existing method has the following disadvantages: 1. It cannot be directly observed and resources are wasted: in the existing technology, the forming process of the glass liquid is in a high-temperature (about 1300℃) and closed brick structure. The high-temperature environment limits the application of observation equipment, and the closed structure blocks the possibility of direct observation, so that the technical personnel cannot obtain the flow state and process of the glass liquid in the channel in real time and directly. Only through the final product quality, the problem source cannot be accurately positioned, which not only takes a long time, but also wastes a lot of manpower and resources.

[0004] 2. Low feasibility of multi-scheme test: since the test depends on the actual production line, the forming structure needs to be replaced, which requires a large modification of the production line. This not only further prolongs the test period, but also may cause irreversible damage to the original structure of the production line, making it difficult to carry out multi-scheme comparison research on the forming process in the industry.

[0005] 3. Insufficient precision of parameter optimization: due to the lack of direct observation data of the flow process of the glass liquid, the existing technology can only indirectly adjust the forming parameters through the final quality of the product, which makes the parameter optimization process more blind and difficult to achieve precise control of the forming process, affecting the stability and consistency of the calendaring glass product quality.

[0006] Therefore, a special device for simulating the forming process of calendaring glass is urgently needed, and a standardized forming process simulation and parameter test method is formed. SUMMARY

[0007] The application provides a calender glass forming process simulation device, and aims to solve the technical problem that calender glass forming relies on production line trial production verification in the prior art.

[0008] To solve the above problems, the application provides a calender glass forming process simulation device, which comprises, in sequence, a material injection device, a horizontal channel, a vertical stirring barrel, a falling channel, a narrowing outlet and a material receiving device. The material injection device is provided with an inlet and an outlet one on both sides of the bottom. The horizontal channel is connected to the outlet one on one side, and is provided with an outlet two on the other side, which is used for conveying the material to the vertical stirring barrel. The vertical stirring barrel is provided with a lifting stirring rod. The falling channel comprises, in sequence, a connecting port one, an inclined channel and a connecting port two, the connecting port two is located below the connecting port one, and the horizontal inclination angle of the inclined channel is adjustable. The inner diameter of the narrowing outlet is gradually reduced in the direction of material flow. The material receiving device is arranged below the narrowing outlet and is used for receiving and metering the material.

[0009] The calender glass forming process simulation device provided by the application has the following beneficial effects, but is not limited to the following: 1. A complete simulation system of material injection, horizontal conveying, vertical homogenization, inclined flow guiding, shrinkage discharging and metering collection is constructed, the experimental simulation of the calender glass forming process is realized, the metering function of the material receiving device is matched, the real-time observation of the material flow state and the synchronous recording of the flow data in the forming process are supported, the influence of the forming homogenization structure and various design parameters on the glass liquid flow and flow characteristics is intuitively displayed, the forming related test can be carried out without relying on the actual production line, and the status that the prior art relies on the production line trial production verification is completely changed.

[0010] 2. Through the structural design of the lifting stirring rod and the inclined channel with adjustable inclination angle, the influence law of the forming homogenization structure, the channel size and the inclination angle and other key design parameters on the material (simulated glass liquid) flow and flow characteristics can be systematically presented, and direct experimental support is provided for the forming structure optimization.

[0011] Further, the stirring rod of the vertical stirring barrel is connected with a lifting member and a forward and reverse driving member, so that the controllable adjustment of the stirring height and direction is realized.

[0012] Further, the horizontal inclination angle of the inclined channel is adjustable in the range of 30° to 60°.

[0013] Further, the inlet, the outlet one, the outlet two and the connecting port one are all provided with ball valves.

[0014] Further, the material receiving device is made of stainless steel, and the material injection device, the horizontal channel, the vertical stirring barrel, the falling channel and the narrowing outlet are made of acrylic.

[0015] Further, the material is silicone oil.

[0016] Further, the falling channel is a square cross-section channel, the first connecting port is horizontally connected to one side of the vertical stirring barrel, and the second connecting port is vertically connected to the narrowing outlet.

[0017] Further, the falling channel is a detachable structure, and the falling channel body with different inner diameters and different cross-sectional shapes can be replaced. The narrowing outlet is a detachable structure, and the narrowing outlet body with different contraction ratios can be replaced.

[0018] Further, the material receiving device is integrated with a metering scale and a timer.

[0019] Further, the method for using the calender glass forming process simulation device comprises the following steps: Step 1: inject the material from the feeding port into the material injection device, so that the material fills the horizontal channel, the vertical stirring barrel, the falling channel and the narrowing outlet; Step 2: start the stirring rod in the vertical stirring barrel and adjust its height and speed; Step 3: adjust the inclination angle of the falling channel and observe the flow state of the material; Step 4: measure the weight and time of the material flowing out in the material receiving device, calculate the flow rate, and calculate the reference value of the glass liquid flow rate corresponding to the calender structure. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 A schematic diagram of the overall structure of the calender glass forming process simulation device provided by the present application is shown in the figure. Fig. 2 A schematic diagram of the falling channel structure provided by the present application is shown in the figure. Fig. 3 A schematic diagram of the narrowing outlet structure provided by the present application is shown in the figure.

[0021] Explanation of reference signs: 100, material injection device; 200, horizontal channel; 300, vertical stirring barrel; 400, falling channel; 500, narrowing outlet; 600, material receiving device; 700, silicone oil; 101, feeding port; 102, discharge port one; 201, discharge port two; 301, stirring rod; 401, first connecting port; 402, inclined channel; 403, second connecting port. DETAILED DESCRIPTION

[0022] In order to make the purposes, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings which show the embodiments according to the present application. It should be understood that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments described in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort will fall within the scope of protection of the present application.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the specification herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application; the terms "comprising," "comprises" and "comprised of" as used herein are synonymous with "including," "includes" or "containing," "contains," and are inclusive or open-ended and do not exclude additional, unrecited elements or method steps; the terms "a," "an" and "the" used in the specification and the appended claims, unless qualified by a specific recitation, are used generically, not specifically, to mean "one or more." The use of "about" in the specification in relation to a particular recited numerical value means that the exact value is "approximately" or "around" the recited numerical value, that is, within 10% of the recited numerical value, preferably within 1% thereof, and more preferably within 0.1% thereof.

[0024] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "back", and the like is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0025] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection", "attaching" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral connection; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] It should be emphasized that when the term "comprising / including" is used in this specification, it is used to explicitly indicate the presence of the stated feature, integer, step, or component, but does not exclude the presence or addition of one or more other features, integers, steps, parts, or groups of features, integers, steps, or parts.

[0027] like Figs. 1-3 As shown in the figure, the present invention provides a simulation device for the forming process of rolled glass. By simulating the forming process of rolled glass, it can intuitively demonstrate the influence of the forming system structure on the flow rate and flow characteristics of molten glass, and realize real-time observation and analysis of the experimental process.

[0028] The device, arranged horizontally from left to right, includes a material injection device 100, a transverse channel 200, a vertical mixing tank 300, a falling channel 400, a narrowing outlet 500, and a receiving device 600, all connected sequentially. The entire assembly is mounted on an experimental platform for easy observation and parameter adjustment by the operator.

[0029] The material injection device 100 is horizontally fixed on the left side of the experimental table. The material injection device 100 has a rectangular cavity structure with a smooth interior without protrusions to reduce material flow resistance. The material injection device 100 has an inlet 101 on the bottom left and an outlet 102 on the bottom right. Flanges are provided at the two interfaces for sealing connection. The outlet 102 is sealed to the left end of the transverse channel 200 by flange bolts.

[0030] The transverse channel 200 is a horizontal cylindrical channel that is horizontally mounted in the middle of the experimental platform. The right end of the transverse channel 200 is provided with a discharge port 201, which has the same inner diameter as the channel. The interface is equipped with a flange and a seal. The discharge port 201 is sealed and connected to the bottom left side of the vertical mixing tank 300, and is used to transport the material to the vertical mixing tank 300.

[0031] The vertical mixing tank 300 is a cylindrical cavity, vertically fixed to the right side of the experimental platform. Inside is a stainless steel stirring rod 301 with four sets of blades evenly distributed at the bottom. The top of the stirring rod 301 penetrates the top cover of the mixing tank and is fixed to the lifting component via a coupling. The top of the lifting component is connected to the forward and reverse drive component. In this embodiment, the lifting component is an electric push rod, and the forward and reverse drive component is a servo motor, supporting forward and reverse rotation switching. The lifting component of the stirring rod 301 can flexibly adjust the immersion depth of the blades in the material, adapting to the homogenization requirements at different liquid levels, solving the problem that a fixed stirring height cannot cover homogenization at all liquid levels. The forward and reverse drive component supports forward and reverse rotation switching and speed adjustment, simulating production scenarios with different homogenization intensities, achieving precise control of stirring parameters, and improving the comprehensiveness of the simulation.

[0032] The falling channel 400 is a square cross-section channel, integrally injection molded from connection port 1 401, inclined channel 402 and connection port 2 403. Connection port 1 401 is horizontally and sealed to the bottom right side of the vertical mixing tank 300, and connection port 2 403 is vertically and sealed to the top of the narrowing outlet 500. Connection port 2 403 is located below connection port 1 401. The channel as a whole is inclined in a "left higher than right" state to ensure that the material flows naturally by gravity. Connection port 1 401 is a horizontal flange interface, and connection port 2 403 is a vertical downward flange interface. Both interfaces are equipped with adjustable angle connectors. The horizontal inclination angle of the inclined channel 402 can be continuously adjusted by loosening the connector bolts and rotating the channel body.

[0033] The narrowing outlet 500 is vertically fixed directly below the falling channel 400. The inlet end is sealed to the connection port 403. The main body of the narrowing outlet 500 has a right-angled trapezoidal cross section. The inner diameter is gradually narrowed along the material flow direction. The outlet is a flat rectangle with a smooth inner wall without steps to avoid material stagnation.

[0034] The receiving device 600 is a cylindrical structure with an open top. It is placed horizontally on the right side of the experimental table, below the narrowed outlet 500, and is used to receive and measure materials. A weighing scale is embedded in the bottom of the barrel, and a timer is fixed on the outside of the barrel by a bracket. The weighing scale and the timer are connected by a data cable, which can record the material quality and receiving time in real time, ensuring the accuracy of the flow rate data and providing a reliable basis for the conversion of the glass melt flow rate reference value.

[0035] In this embodiment, the horizontal tilt angle adjustment range of the inclined channel 402 is 30° to 60°, with a default initial tilt angle of 45°. The 30°-60° tilt angle adjustment range precisely covers the commonly used tilt angle range of forming channels in actual rolled glass production, ensuring consistency between simulation results and actual production. The continuously adjustable tilt angle design allows for gradient testing of material flow characteristics at different tilt angles without replacing the channel itself, simplifying the experimental process and improving testing efficiency. Furthermore, tilt angle adjustment allows for direct observation of the correlation between material flow rate and tilt angle, providing direct data support for optimizing channel tilt angles in actual production lines and solving the problem of existing technologies being unable to quantify the impact of tilt angles.

[0036] In this embodiment, the inlet 101, outlet 102, outlet 201, and connection 401 are all equipped with manual ball valves, which can independently control the on / off state of each channel and the flow rate of the material. This achieves segmented and independent control of the material flow, and the opening adjustment function of the ball valves can precisely control the material flow rate, maintain the stability of the liquid level in each component, and avoid simulation result errors caused by flow fluctuations.

[0037] In this embodiment, the receiving device 600 is made of stainless steel, while the material injection device 100, the transverse channel 200, the vertical stirring tank 300, the falling channel 400, and the narrowing outlet 500 are all made of acrylic. Acrylic has excellent transparency, enabling real-time and intuitive observation of the material flow process, thus solving the problem that the glass melt forming process cannot be directly observed in the prior art.

[0038] Specifically, silicone oil 700 is preferred as the material. Silicone oil 700 is less affected by ambient temperature, and changes in ambient temperature will not cause changes in the viscosity of silicone oil 700. In addition, silicone oil 700 does not react with acrylic material, ensuring the stability of material flow and the service life of the device. At the same time, the viscosity characteristics of silicone oil 700 are very similar to the flow characteristics of high-temperature molten glass, ensuring the reliability of simulation results.

[0039] In this embodiment, the falling channel 400 is a square cross-section channel. Connector 1 401 is horizontally connected to one side of the vertical stirring tank 300, and connector 2 403 is vertically connected to the narrowing outlet 500. The square cross-section falling channel 400 is consistent with the forming channel structure in actual rolled glass production, which improves the realism of the simulation. The design of connector 1 401 being horizontally connected to the vertical stirring tank 300 and connector 2 403 being vertically connected to the narrowing outlet 500 ensures a smooth transition in the material flow direction and avoids eddies, impacts, and other phenomena caused by improper connection angles.

[0040] In this embodiment, the drop channel 400 is a detachable structure, allowing for the replacement of drop channel 400 bodies with different inner diameters and cross-sectional shapes; the narrowing outlet 500 is also a detachable structure, allowing for the replacement of narrowing outlet 500 bodies with different contraction ratios. The detachable design of the drop channel 400 and the narrowing outlet 500 allows for the rapid replacement of component bodies with different inner diameters, cross-sectional shapes, and contraction ratios, enabling parallel testing of multiple structural schemes and solving the problem that existing technologies cannot simultaneously verify multiple structures. Furthermore, by replacing only the core components, testing of different schemes can be completed, shortening the experimental cycle and reducing testing costs.

[0041] The usage method of this embodiment includes the following steps: Step 1: Inject the material into the material injection device 100 through the inlet 101, so that the material fills the horizontal channel 200, the vertical mixing tank 300, the falling channel 400 and the narrowing outlet 500.

[0042] Specifically, in this embodiment, the ball valves of outlet 102, outlet 201, and connection port 401 are closed, and silicone oil 700 is injected into the material injection device 100 from inlet 101 until the liquid level reaches 2 / 3 of the total height of the device; the ball valve of outlet 102 is opened and the ball valve of outlet 201 is closed, so that silicone oil 700 fills the transverse channel 200; the stirring rod 301 is removed, and the ball valve of outlet 201 is opened, so that silicone oil 700 flows into the vertical stirring tank 300 until the liquid level stabilizes; the ball valve of connection port 401 is opened, so that silicone oil 700 sequentially fills the falling channel 400 and enters the narrowing outlet 500, the flow rate drops rapidly, some silicone oil 700 flows into the receiving device 600, and some gradually fills the narrowing outlet 500 and the falling channel 400. Adjust the opening of the ball valves at the inlet 101 and outlet 102, and maintain the stability of the liquid level by observing the liquid level in the material injection device 100; adjust the opening of the ball valve at outlet 201, wait for the liquid level in the vertical mixing tank 300 to stabilize, and after the mold is filled with silicone oil 700, it flows into the receiving device 600 through the narrowed outlet 500 for recycling and reuse, thus completing the wetting process of the entire device.

[0043] Step 2: Measure the weight and time of the outflowing material in the receiving device 600, calculate the flow rate, and deduce the reference value of the glass melt flow rate for the corresponding rolling structure.

[0044] Specifically, in this embodiment, after the silicone oil 700 has stabilized and flowed, the mass of the received silicone oil 700 is recorded by a weighing scale, and the time is recorded synchronously by a timer. The real-time flow rate of the silicone oil 700 is calculated according to the formula "flow rate = mass / time", and the reference value of the flow rate of the glass melt under the corresponding molding structure is obtained. At the same time, the flow trajectory of the silicone oil 700 in each channel is observed in real time through a transparent acrylic component, and any abnormal phenomena are recorded to guide the optimization of the production line structure.

[0045] Step 3: Start the stirring rod 301 in the vertical mixing tank 300, adjust its height and speed, and repeat step 2.

[0046] Specifically, in this embodiment, after the silicone oil 700 has stabilized its flow, the stirring rod 301 is installed, the servo motor is started, and the height of the stirring rod 301 is adjusted by an electric push rod, so that the blades are immersed below the surface of the silicone oil 700, thereby achieving homogenization of the material. The influence of the stirring structure on the glass melt flow process and the final glass melt flow rate is observed by controlling the height and rotation speed of the stirring rod 301.

[0047] Step 4: Observe the material flow by adjusting the tilt angle of the falling channel 400, and repeat step 2.

[0048] Specifically, in this embodiment, the connecting bolts of the falling channel 400 are loosened, and the horizontal tilt angle of the inclined channel 402 is adjusted to different angles such as 30°, 45°, and 60° to test the effect of different tilt angles on the glass melt flow process and the final glass melt flow rate.

[0049] In addition, in this embodiment, by replacing the falling channel 400 with different inner diameters and cross-sectional shapes, or by replacing the narrowing outlet 500 with different shrinkage ratios, the above steps are repeated to achieve comparative testing of different molding structure schemes.

[0050] The embodiments of the present invention have been described in detail above, but the content described is only a preferred embodiment of the present invention and should not be considered as limiting the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. An apparatus for simulating a calendered glass forming process, characterized by, It comprises a material injection device (100), a horizontal channel (200), a vertical stirring barrel (300), a falling channel (400), a narrowing outlet (500) and a material receiving device (600) connected in sequence. The material injection device (100) is provided with a feeding port (101) and a discharging port I (102) on both sides of the bottom. The horizontal channel (200) is connected with the discharging port I (102) on one side, and is provided with a discharging port II (201) on the other side for conveying the material to the vertical stirring barrel (300). The vertical stirring barrel (300) is provided with a liftable stirring rod (301). The falling channel (400) comprises a connecting port I (401), an inclined channel (402) and a connecting port II (403) connected in sequence, the connecting port II (403) is located below the connecting port I (401), and the horizontal inclination angle of the inclined channel (402) is adjustable. The inner diameter of the narrowing outlet (500) is gradually reduced along the direction of material flow. The material receiving device (600) is arranged below the narrowing outlet (500) for receiving and metering the material.

2. The rolled glass forming process simulation apparatus of claim 1, wherein, The stirring rod (301) of the vertical stirring barrel (300) is connected with a lifting member and a forward and reverse driving member to realize controllable adjustment of the stirring height and direction.

3. The rolled glass forming process simulation apparatus of claim 1, wherein, The horizontal inclination angle of the inclined channel (402) is adjustable in the range of 30° to 60°.

4. The rolled glass forming process simulation apparatus of claim 1, wherein, The feeding port (101), the discharging port I (102), the discharging port II (201) and the connecting port I (401) are all provided with ball valves.

5. The rolled glass forming process simulation apparatus of claim 1, wherein, The material receiving device (600) is made of stainless steel, and the material injection device (100), the horizontal channel (200), the vertical stirring barrel (300), the falling channel (400) and the narrowing outlet (500) are all made of acrylic.

6. The rolled glass forming process simulation apparatus of claim 5, wherein, The material is silicone oil (700).

7. The rolled glass forming process simulation apparatus of claim 1 or 3, wherein The falling channel (400) is a square section channel, the connecting port I (401) is horizontally connected with one side of the vertical stirring barrel (300), and the connecting port II (403) is vertically connected with the narrowing outlet (500).

8. The rolled glass forming process simulation apparatus of claim 1, wherein, The falling channel (400) has a detachable structure, and the falling channel (400) body with different inner diameters and different cross-sectional shapes can be replaced. The narrowing outlet (500) has a detachable structure, and the narrowing outlet (500) body with different shrinkage ratios can be replaced.

9. The rolled glass forming process simulation apparatus of claim 1, wherein, The material receiving device (600) is integrated with a metering scale and a timer.

10. The method of using a simulation of a process for forming rolled glass as defined in any one of claims 1 to 9, wherein, It comprises the following steps: Step one: inject the material from the feeding port (101) into the material injection device (100), so that the material fills the horizontal channel (200), the vertical stirring barrel (300), the falling channel (400) and the narrowing outlet (500); Step two: measure the weight and time of the outflowing material in the material receiving device (600), calculate the flow rate, and calculate the reference value of the glass liquid flow rate corresponding to the calender structure according to the reference value; Step three: start the stirring rod (301) in the vertical stirring barrel (300), adjust its height and speed, and repeat step two; Step four: adjust the inclination angle of the falling channel (400), observe the material flow state, and repeat step two.

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