A high-precision glass molding machine

Abstract

The present invention discloses a high-precision glass compression molding machine, comprising a frame, an upper mold and a lower mold which are relatively arranged in the frame up and down, and a compression molding assembly for driving the upper mold and the lower mold to open and close, wherein at least two lower molds are designed, and a movable mold assembly is arranged at the bottom of the lower mold for realizing that a plurality of lower molds are alternately located directly below the upper mold; a cooling assembly for realizing cooling of the lower mold is arranged inside the lower mold, and the cooling assembly comprises an air cooling mechanism, a water cooling mechanism and an evaporation mechanism which cooperate with each other; a heating assembly for realizing preheating of adjacent lower molds is arranged between the plurality of lower molds; the cooling assembly realizes multiple cooling effects, significantly enhances the cooling and cooling of the lower mold and the molded product, shortens the cooling time of the molded product, and enables the molded product to solidify in a short time so as to be closer to the size of the fitting mold to meet the high-precision production requirements.

Description

Technical Field

[0001] The invention relates to the technical field of glass compression molding, in particular to a high-precision glass compression molding machine. Background Art

[0002] The glass compression molding machine first places the glass preform between the upper mold and the lower mold, and then heats the glass preform. When the glass preform reaches a certain temperature, it uses force to push the upper and lower molds together to extrude the preform into the glass shape we need. It has the advantages of high material utilization, precise control of the accuracy of molded parts, and easy mass production.

[0003] At present, the biggest disadvantage of glass compression molding is that after the glass is heated and molded, the finished product needs to be cooled quickly. The cooling speed of the mold directly affects the shrinkage rate of the molded part. The faster the cooling speed, the smaller the shrinkage rate, and the product size is closer to the mold size. If it cannot be cooled quickly, the cooling time will be extended, which gives the material more time to shrink, which may lead to a greater shrinkage rate. The product size may be too small and cannot meet high-precision requirements.

[0004] For this reason, we propose a high-precision glass compression molding machine. Summary of the invention

[0005] In order to overcome the shortcomings of the prior art, the present invention provides a high-precision glass compression molding machine, in which the air cooling mechanism, water cooling mechanism and evaporation mechanism of the cooling component cooperate with each other to achieve multiple cooling effects, significantly enhance the cooling of the lower mold and the molded product, shorten the cooling time of the molded product, and make the molded product solidify in a short time so as to be closer to the size of the fitting mold to meet the high-precision production requirements. The movable mold component enables one of the lower molds to shift immediately after the molding is completed, and the adjacent lower mold is filled at the same time, which is beneficial to reducing the cooling waiting time of the mold and the molded product. The cooling component quickly cools the lower mold while replacing heat, and uses the heating component to transfer heat to the adjacent lower mold for preheating, thereby reducing the heating waiting time of the mold and the molded product and significantly improving the processing efficiency.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] A high-precision glass molding machine comprises a frame, an upper mold and a lower mold arranged in the frame in an upper and lower direction, and a molding assembly for driving the upper mold and the lower mold to open and close, wherein at least two lower molds are designed, and a movable mold assembly is arranged at the bottom of the lower mold to realize that multiple lower molds are alternately located directly below the upper mold;

[0008] The lower mold is provided with a cooling assembly for cooling the lower mold, and the cooling assembly includes an air cooling mechanism, a water cooling mechanism and an evaporation mechanism that cooperate with each other;

[0009] A heating component for preheating adjacent lower molds is arranged between the multiple lower molds;

[0010] Wherein, the movable mold assembly includes a moving table that realizes linear reciprocating motion, and the lower mold is installed on the top of the moving table to realize that multiple lower molds are alternately located directly below the upper mold;

[0011] The air cooling mechanism includes a first heat pipe, a heat exchange channel is longitudinally opened on the bottom surface of the lower mold, the first heat pipe group is embedded in the inner wall of the lower mold and surrounds the mold cavity of the lower mold, and the tail end of the first heat pipe is located inside the upper end of the heat exchange channel;

[0012] The water cooling mechanism includes a water tank, a water pump and a connecting pipe. The water tank is connected to the bottom surface of the lower mold and covers the lower port of the heat exchange channel. The connecting pipe connects the water tank with the middle section of the heat exchange channel. The water pump is installed inside the water tank and connected to the connecting pipe to pump the liquid in the water tank to the heat exchange channel.

[0013] Wherein, the evaporation mechanism comprises a heat sink, which is connected to the inner wall of the upper port of the water storage tank and is located below the lower port of the heat exchange flow channel;

[0014] Among them, the heating component includes an insulation pipe and a return air pipe. The inner wall of the upper end of the lower mold is provided with a heat storage cavity connected to the upper port of the heat exchange flow channel. The insulation pipe connects the heat storage cavity of the lower mold with the heat storage cavity of the adjacent lower mold, and the return air pipe connects the water tank at the bottom of the lower mold with the water tank at the bottom of the adjacent lower mold.

[0015] As a preferred solution of a high-precision glass molding machine described in the present invention, wherein: the movable mold assembly also includes a fixed base plate and a driving mechanism, the fixed base plate is horizontally connected to the inner bottom of the frame and a limiting slide groove is opened on the top surface, the moving platform is slidably arranged on the top surface of the fixed base plate, and a guide sleeve is slidably arranged inside the limiting slide groove, the guide sleeve is connected and fixed to the bottom surface of the moving platform, and the driving mechanism is used to realize the linear reciprocating motion of the guide sleeve in the limiting slide groove.

[0016] As a preferred solution of a high-precision glass molding machine described in the present invention, the driving mechanism includes a reciprocating screw and a servo motor, the reciprocating screw is rotatably arranged inside a limiting slide groove, the guide sleeve is installed on the outer surface of the reciprocating screw for the guide sleeve to perform linear reciprocating motion along the reciprocating screw when the reciprocating screw rotates, and the servo motor is installed inside the frame and its output shaft is connected to one end of the reciprocating screw.

[0017] As a preferred solution of the high-precision glass compression molding machine described in the present invention, the air cooling mechanism further includes a heat conducting plate connected between the inner walls of the heat exchange channel, and the tail end of the first heat pipe is embedded and bonded to the heat conducting plate.

[0018] As a preferred solution of a high-precision glass molding machine described in the present invention, the water cooling mechanism also includes a manifold, a plurality of heat exchange channels are opened and symmetrically distributed around the mold cavity of the lower mold, the number distribution of the connecting pipes corresponds to the heat exchange channels, the manifold connects all the connecting pipes with the water outlet of the water pump, and a water replenishment port is connected to the upper side wall of the water tank.

[0019] As a preferred solution of the high-precision glass molding machine described in the present invention, the evaporation mechanism also includes a second heat pipe, which is embedded in the inner wall of the lower mold and surrounds the mold cavity of the lower mold, and the tail end of the second heat pipe extends to the upper port of the water tank and is embedded and fitted between the heat sink.

[0020] As a preferred solution of the high-precision glass compression molding machine described in the present invention, the heating component also includes an exhaust fan installed on the insulation pipe.

[0021] As a preferred solution of the high-precision glass compression molding machine described in the present invention, the outer contours of the thermal conductive sheet and the heat sink are both continuous S-shaped.

[0022] As a preferred embodiment of the high-precision glass molding machine described in the present invention, there are two lower molds, and contact sensors are provided at both ends of the fixed base plate. When one of the lower molds is located directly below the upper mold, the other lower mold contacts the contact sensor at the adjacent end, and the output signal of the contact sensor is fed back to the control switch of the water pump of the adjacent lower mold.

[0023] As a preferred solution of the high-precision glass molding machine described in the present invention, the front end surface of the frame is provided with a control console connected to the molding assembly and the servo motor signal, and the control console is used to realize the start and stop of the molding assembly and the servo motor.

[0024] Compared with the prior art, the present invention can achieve the following beneficial effects:

[0025] By designing an air cooling mechanism, a water cooling mechanism and an evaporation mechanism that cooperate with each other, rapid cooling of the lower mold is achieved. The first heat pipe of the air cooling mechanism displaces the heat near the mold cavity of the lower mold, which is beneficial to cooling the molded product. At the same time, the water pump of the water cooling mechanism transports the water in the water storage tank to the heat exchange flow channel. The water exchanges heat with the lower mold and flows along the heat exchange flow channel under gravity to take away the heat, thereby accelerating the cooling of the lower mold and the molded product. The first heat pipe of the air cooling mechanism transfers the heat to the heat exchange flow channel so that the air inside it is heated and rises, thereby driving the generation of airflow. The water flow of the water cooling mechanism will drip onto the heat sink of the evaporation mechanism. The airflow cooperates with the heat of the lower mold to cause the water in the heat exchange flow channel and the heat sink to evaporate, thereby absorbing heat. The cooling of the lower mold and the molded product is further enhanced. The water on the heat sink evaporates and absorbs heat, causing the air sucked into the heat exchange flow channel to be cold air. The cold air exchanges heat during the flow along the heat exchange flow channel, thereby taking away the heat of the lower mold, further enhancing the cooling of the lower mold and the molded product. At the same time, the cold air sucked into the heat exchange flow channel is used to cool the first heat pipe, which is conducive to the first heat pipe continuously and efficiently cooling the molded product. The mutual cooperation of the air cooling mechanism, the water cooling mechanism and the evaporation mechanism achieves multiple cooling effects, significantly enhancing the cooling of the lower mold and the molded product, shortening the cooling time of the molded product, and allowing the molded product to solidify in a short time so as to be closer to the size of the fitting mold to meet the high-precision production requirements;

[0026] By designing a cooling component, a moving mold component and a heating component that cooperate with each other, the cooling component displaces the heat of the lower mold and stores it in the heat storage cavity in the form of hot air and steam. The insulation pipe of the heating component transfers the hot air and steam in the heat storage cavity to the adjacent lower mold, that is, displacing the heat to the adjacent lower mold for preheating, saving the heating time of the mold and improving the production efficiency. At the same time, the heat recovery and utilization of the mold during cooling is conducive to saving energy. The hot air and steam flow along the heat exchange flow channel of the adjacent lower mold, that is, the reverse cooling of the lower mold is realized. The first heat pipe in the heat exchange flow channel makes the preheating of the adjacent lower mold more comprehensive and thorough, and the heat After the air and steam are cooled, they flow back along the return air pipe to the lower mold to be cooled. This cycle cools the lower mold while recovering heat to preheat the adjacent lower mold. The moving table of the movable mold assembly alternately positions multiple lower molds directly under the upper mold to complete the mold closing, so that one of the lower molds is immediately shifted after the molding is completed, and the adjacent lower mold is filled at the same time, which is beneficial to reducing the cooling waiting time of the mold and the molded product. The cooling component recovers heat while quickly cooling the lower mold, and uses the heating component to replace the heat to the adjacent lower mold for preheating it, reducing the heating waiting time of the mold and the molded product, and significantly improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of a high-precision glass molding machine.

[0028] Figure 2 A schematic diagram of a molding component of a high-precision glass molding machine.

[0029] Figure 3 A schematic diagram of a moving table of a high-precision glass molding machine.

[0030] Figure 4 It is a schematic diagram of the lower mold of a high-precision glass molding machine.

[0031] Figure 5 A schematic diagram of a heat storage chamber for a high-precision glass molding machine.

[0032] Figure 6 A schematic diagram of a water tank for a high-precision glass molding machine.

[0033] Figure 7 The figure is a schematic diagram of a heat conducting sheet for a high-precision glass molding machine.

[0034] Among them: 1. frame; 2. upper mold; 3. lower mold; 4. molding assembly; 5. control console; 6. fixed base plate; 7. moving table; 8. limit slide; 9. guide sleeve; 10. reciprocating screw; 11. servo motor; 12. contact sensor; 13. heat exchange flow channel; 14. first heat pipe; 15. heat conducting plate; 16. water storage tank; 17. water pump; 18. connecting pipe; 19. manifold; 20. water filling port; 21. heat sink; 22. second heat pipe; 23. insulation pipe; 24. exhaust fan; 25. return air pipe; 26. heat storage chamber. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0036] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0037] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. Example

[0038] Please refer to Figures 1 to 7As shown, the present invention provides a high-precision glass molding machine, comprising a frame 1, an upper mold 2 and a lower mold 3 relatively arranged in the frame 1, and a molding assembly 4 driving the upper mold 2 and the lower mold 3 to open and close, at least two lower molds 3 are designed, and a movable mold assembly is arranged at the bottom of the lower mold 3 to realize that multiple lower molds 3 are alternately located directly below the upper mold 2; a cooling assembly is arranged inside the lower mold 3 to realize cooling of the lower mold 3, and the cooling assembly includes an air cooling mechanism, a water cooling mechanism and an evaporation mechanism that cooperate with each other; a heating assembly is arranged between the multiple lower molds 3 to realize preheating of adjacent lower molds 3;

[0039] The air cooling mechanism, the water cooling mechanism and the evaporation mechanism cooperate with each other to achieve multiple cooling effects, significantly enhance the cooling of the lower mold 3 and the molded product, shorten the cooling time of the molded product, and make the molded product solidify in a short time so as to be closer to the size of the mold to meet the high-precision production requirements. The movable mold assembly enables one of the lower molds 3 to shift immediately after the molding is completed, and the adjacent lower mold 3 is replaced at the same time, which is conducive to reducing the cooling waiting time of the mold and the molded product. The cooling assembly recovers heat while cooling the lower mold 3 quickly, and uses the heating assembly to replace the heat to the adjacent lower mold 3 for preheating, thereby reducing the heating waiting time of the mold and the molded product and significantly improving the processing efficiency.

[0040] The air cooling mechanism includes a first heat pipe 14, a heat exchange channel 13 is longitudinally opened on the bottom surface of the lower mold 3, the first heat pipe 14 is embedded in the inner wall of the lower mold 3 and surrounds the mold cavity of the lower mold 3, and the tail end of the first heat pipe 14 is located inside the upper end of the heat exchange channel 13; the water cooling mechanism includes a water tank 16, a water pump 17 and a connecting pipe 18, the water tank 16 is connected to the bottom surface of the lower mold 3 and covers the lower end of the heat exchange channel 13, the connecting pipe 18 connects the water tank 16 with the middle section of the heat exchange channel 13, the water pump 17 is installed inside the water tank 16 and connected to the connecting pipe 18 to realize the pumping of the liquid in the water tank 16 to the heat exchange channel 13; the evaporation mechanism includes a heat sink 21, the heat sink 21 is connected to the inner wall of the upper end of the water tank 16 and is located below the lower end of the heat exchange channel 13;

[0041] The first heat pipe 14 of the air cooling mechanism displaces the heat near the mold cavity of the lower mold 3, which is beneficial to cooling the molded product. At the same time, the water pump 17 of the water cooling mechanism transports the water in the water storage tank 16 to the heat exchange channel 13. The water exchanges heat with the lower mold 3 and flows along the heat exchange channel 13 under gravity to take away the heat, accelerating the cooling of the lower mold 3 and the molded product. The first heat pipe 14 of the air cooling mechanism transfers the heat to the heat exchange channel 13 so that the air inside it is heated and rises, thereby driving the generation of airflow. The water flow of the water cooling mechanism will drip on the heat sink 21 of the evaporation mechanism, and the airflow cooperates with the lower mold 3 to generate the heat. The heat of the mold 3 causes the water in the heat exchange channel 13 and the heat sink 21 to evaporate and absorb heat, further enhancing the cooling of the lower mold 3 and the molded product. The water on the heat sink 21 evaporates and absorbs heat, causing the air inhaled by the heat exchange channel 13 to be cold air. The cold air exchanges heat during its flow along the heat exchange channel 13, thereby taking away the heat of the lower mold 3, further enhancing the cooling of the lower mold 3 and the molded product. At the same time, the cold air inhaled by the heat exchange channel 13 is cooled by the first heat pipe 14, which is beneficial for the first heat pipe 14 to continuously and efficiently cool the molded product.

[0042] The movable mold assembly includes a moving table 7 that realizes linear reciprocating motion, and the lower mold 3 is installed on the top of the moving table 7 to realize that multiple lower molds 3 are alternately located directly below the upper mold 2; the heating assembly includes a heat preservation pipe 23 and a return air pipe 25, and a heat storage cavity 26 connected to the upper port of the heat exchange flow channel 13 is opened on the inner wall of the upper end of the lower mold 3. The heat preservation pipe 23 connects the heat storage cavity 26 of the lower mold 3 with the heat storage cavity 26 of the adjacent lower mold 3, and the return air pipe 25 connects the water storage tank 16 at the bottom of the lower mold 3 with the water storage tank 16 at the bottom of the adjacent lower mold 3;

[0043] The cooling component displaces the heat of the lower mold 3 and stores it in the heat storage chamber 26 in the form of hot air and steam. The insulation pipe 23 of the heating component transfers the hot air and steam in the heat storage chamber 26 to the adjacent lower mold 3, that is, displaces the heat to the adjacent lower mold 3 for preheating it, saving the heating time of the mold and improving the production efficiency. At the same time, the heat energy recovery and utilization of the mold during cooling is conducive to saving energy. The hot air and steam flow along the heat exchange channel 13 of the adjacent lower mold 3, that is, reverse cooling of the lower mold 3 is realized. The first heat pipe 14 in the heat exchange channel 13 makes the preheating of the adjacent lower mold 3 more comprehensive and thorough. After the hot air and steam are cooled, they flow back along the return air pipe 25 to the lower mold 3 to be cooled, thereby circulating to cool the lower mold 3 while recovering heat to preheat the adjacent lower mold 3.

[0044] Specifically, the movable mold assembly also includes a fixed base plate 6 and a driving mechanism. The fixed base plate 6 is horizontally connected to the inner bottom of the frame 1 and has a limiting slide groove 8 on the top surface. The moving table 7 is slidably arranged on the top surface of the fixed base plate 6. A guide sleeve 9 is slidably arranged inside the limiting slide groove 8. The guide sleeve 9 is connected and fixed to the bottom surface of the moving table 7. The driving mechanism is used to realize the linear reciprocating motion of the guide sleeve 9 in the limiting slide groove 8; the driving mechanism includes a reciprocating screw 10 and a servo motor 11. The reciprocating screw 10 is rotatably arranged inside the limiting slide groove 8. The guide sleeve 9 is installed on the outer surface of the reciprocating screw 10 for the guide sleeve 9 to perform linear reciprocating motion along the reciprocating screw 10 when the reciprocating screw 10 rotates. The servo motor 11 is installed inside the frame 1 and its output shaft is connected to one end of the reciprocating screw 10.

[0045] Specifically, the air cooling mechanism also includes a heat conductive sheet 15, which is connected between the inner walls of the heat exchange channel 13, and the tail end of the first heat pipe 14 is embedded and fitted with the heat conductive sheet 15. The outer contour of the heat conductive sheet 15 is a continuous S shape. The heat conductive sheet 15 increases the contact area between the first heat pipe 14 and the air, and strengthens the heat dissipation of the first heat pipe 14, which is beneficial for the first heat pipe 14 to continuously and efficiently cool the molded product. Secondly, the heat conductive sheet 15 expands the coverage area of ​​the water flow in the heat exchange channel 13, expands the evaporation area of ​​the water flow, and thus strengthens heat absorption and cooling.

[0046] Specifically, the water cooling mechanism also includes a manifold 19. A plurality of heat exchange channels 13 are opened and symmetrically distributed around the mold cavity of the lower mold 3. The number of connecting pipes 18 is distributed corresponding to the heat exchange channels 13. The manifold 19 connects all the connecting pipes 18 with the water outlet of the water pump 17. A water supply port 20 is opened on the upper side wall of the water tank 16.

[0047] Specifically, the evaporation mechanism also includes a second heat pipe 22, which is embedded in the inner wall of the lower mold 3 and surrounds the mold cavity of the lower mold 3. The tail end of the second heat pipe 22 extends to the upper port of the water tank 16 and is embedded and fitted between the heat sink 21. The outer contour of the heat sink 21 is a continuous S-shape. The second heat pipe 22 increases the cooling speed of the lower mold 3 and the molded product. At the same time, the second heat pipe 22 transfers the heat of the lower mold 3 to the heat sink 21, accelerates the evaporation speed of the water on the heat sink 21, and thus enhances the heat absorption and cooling capability.

[0048] Specifically, the heating component also includes an exhaust fan 24 installed on the insulation pipe 23, and the exhaust fan 24 enhances the guiding force of the insulation pipe 23 for the hot air and steam in the heat storage cavity 26.

[0049] Specifically, two lower molds 3 are provided, and contact sensors 12 are provided at both ends of the fixed bottom plate 6. When one of the lower molds 3 is located directly below the upper mold 2, the other lower mold 3 contacts the contact sensor 12 at the adjacent end, and the output signal of the contact sensor 12 is fed back to the control switch of the water pump 17 of the adjacent lower mold 3; the front end surface of the frame 1 is provided with a control console 5 connected to the signal of the molding component 4 and the servo motor 11, and the control console 5 is used to realize the start and stop of the molding component 4 and the servo motor 11. After one of the lower molds 3 completes the molding, it is immediately displaced under the action of the movable mold component, and the adjacent lower mold 3 is replenished at the same time. After the displaced lower mold 3 is displaced, it contacts the contact sensor 12 at the adjacent end, and the contact sensor 12 is When triggered, the output signal controls the water pump 17 of the displaced lower mold 3 to start, and then all the cooling components of the displaced lower mold 3 are started. The cooling component quickly cools the displaced lower mold 3, reducing the cooling waiting time of the mold and the molded product. At the same time, the heating component transfers the heat displaced during the cooling process to the replaced lower mold 3 for preheating, reducing the heating waiting time of the mold and the molded product, and significantly improving the processing efficiency. When the molding of the lower mold 3 is completed, the control console 5 starts the servo motor 11 to execute the action of the movable mold component, and the lower mold 3 is reciprocating. After the replacement, the lower mold 3 disengages from the contact sensor 12 at the adjacent end, and the internal water pump 17 is immediately closed, and the cooling component cannot cooperate, avoiding the cooling component interfering with the lower mold 3 during molding.

[0050] The present invention provides a high-precision glass compression molding machine, and its working steps are as follows:

[0051] Step 1: The control console 5 starts the servo motor 11 to drive the reciprocating screw 10 to rotate. The rotation of the reciprocating screw 10 causes the guide sleeve 9 to drive the moving table 7 to perform linear reciprocating motion along the limiting slide groove 8, and the moving table 7 moves the lower mold 3 together;

[0052] Step 2: When one of the lower molds 3 is located directly below the upper mold 2, the glass blank is placed on the lower mold 3, the mold and the glass blank are heated, and the control console 5 starts the molding assembly 4, so that the upper mold 2 and the lower mold 3 are molded together to complete the molding;

[0053] Step 3: After the lower mold 3 is closed, the control console 5 starts the movable mold assembly, the lower mold 3 is displaced, and the adjacent lower mold 3 is synchronously displaced to fill the position;

[0054] Step 4: After the shifting is completed, the displaced lower mold 3 contacts the contact sensor 12 at the adjacent end. When the contact sensor 12 is triggered, the output signal controls the water pump 17 of the displaced lower mold 3 to start, and all cooling components of the displaced lower mold 3 are started;

[0055] Step 5: The air cooling mechanism, water cooling mechanism and evaporation mechanism of the cooling assembly cooperate with each other to achieve multiple cooling effects, significantly enhance the cooling of the lower mold 3 and the molded product, shorten the cooling time of the molded product, and make the molded product solidify in a short time so as to be closer to the size of the mold to meet the high-precision production requirements;

[0056] Step 6: While the lower mold 3 is being rapidly cooled, the heat displaced by the cooling component is transferred to the replaced lower mold 3 by the heating component to preheat it, thereby reducing the heating waiting time of the mold and the molded product and significantly improving the processing efficiency;

[0057] Step 7: After the molding is completed, the reciprocating motion is started. After the lower mold 3 is replaced, it is separated from the contact sensor 12 at the adjacent end, and the internal water pump 17 is immediately turned off. The cooling component cannot cooperate to prevent the cooling component from interfering with the lower mold 3 during molding.

[0058] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A high-precision glass molding machine, comprising a frame (1), an upper mold (2) and a lower mold (3) arranged in the frame (1) in a vertical direction, and a molding assembly (4) for driving the upper mold (2) and the lower mold (3) to open and close, characterized in that: There are at least two lower molds (3), and a movable mold assembly is provided at the bottom of the lower mold (3) to enable the plurality of lower molds (3) to be alternately located directly below the upper mold (2); A cooling component for cooling the lower mold (3) is arranged inside the lower mold (3), and the cooling component comprises an air cooling mechanism, a water cooling mechanism and an evaporation mechanism that cooperate with each other; A heating component for preheating adjacent lower moulds (3) is provided between the plurality of lower moulds (3); The movable mold assembly comprises a moving table (7) for realizing linear reciprocating motion, and the lower mold (3) is installed on the top of the moving table (7) so that a plurality of lower molds (3) are alternately located directly below the upper mold (2); The air cooling mechanism comprises a first heat pipe (14), a heat exchange channel (13) is longitudinally opened on the bottom surface of the lower mold (3), the first heat pipe (14) is embedded in the inner wall of the lower mold (3) and surrounds the mold cavity of the lower mold (3), and the tail end of the first heat pipe (14) is located inside the upper end of the heat exchange channel (13); The water cooling mechanism comprises a water tank (16), a water pump (17) and a connecting pipe (18); the water tank (16) is connected to the bottom surface of the lower mold (3) and covers the lower port of the heat exchange channel (13); the connecting pipe (18) connects the water tank (16) with the interior of the middle section of the heat exchange channel (13); the water pump (17) is installed inside the water tank (16) and connected to the connecting pipe (18) to pump the liquid in the water tank (16) to the heat exchange channel (13); Wherein, the evaporation mechanism comprises a heat sink (21), the heat sink (21) being connected to the inner wall of the upper port of the water storage tank (16) and being located below the lower port of the heat exchange flow channel (13); The evaporation mechanism further comprises a second heat pipe (22), the second heat pipe (22) being embedded in the inner wall of the lower mold (3) and surrounding the mold cavity of the lower mold (3), the tail end of the second heat pipe (22) extending to the upper port of the water storage tank (16) and being embedded and fitted between the heat sink (21); The heat supply component comprises a heat preservation pipe (23) and a return air pipe (25); the inner wall of the upper end of the lower mold (3) is provided with a heat storage cavity (26) which is connected to the upper port of the heat exchange flow channel (13); the heat preservation pipe (23) connects the heat storage cavity (26) of the lower mold (3) with the heat storage cavity (26) of the adjacent lower mold (3); and the return air pipe (25) connects the water storage tank (16) at the bottom of the lower mold (3) with the water storage tank (16) at the bottom of the adjacent lower mold (3).

2. A high-precision glass compression molding machine according to claim 1, characterized in that: The movable mold assembly also includes a fixed bottom plate (6) and a driving mechanism. The fixed bottom plate (6) is horizontally connected to the inner bottom of the frame (1) and has a limit slide groove (8) on the top surface. The moving platform (7) is slidably arranged on the top surface of the fixed bottom plate (6). A guide sleeve (9) is slidably arranged inside the limit slide groove (8). The guide sleeve (9) is connected and fixed to the bottom surface of the moving platform (7). The driving mechanism is used to realize the linear reciprocating motion of the guide sleeve (9) in the limit slide groove (8).

3. A high-precision glass compression molding machine according to claim 2, characterized in that: The driving mechanism comprises a reciprocating screw (10) and a servo motor (11); the reciprocating screw (10) is rotatably arranged inside a limiting slide groove (8); the guide sleeve (9) is mounted on the outer surface of the reciprocating screw (10) so as to allow the guide sleeve (9) to perform linear reciprocating motion along the reciprocating screw (10) when the reciprocating screw (10) rotates; and the servo motor (11) is mounted inside a frame (1) and its output shaft is connected to one end of the reciprocating screw (10).

4. A high-precision glass compression molding machine according to claim 1, characterized in that: The air cooling mechanism further comprises a heat conducting sheet (15), wherein the heat conducting sheet (15) is connected between the inner walls of the heat exchange flow channel (13), and the tail end of the first heat pipe (14) is embedded and fitted between the heat conducting sheet (15).

5. The high-precision glass compression molding machine according to claim 1, characterized in that: The water cooling mechanism further comprises a manifold (19), the heat exchange flow channel (13) is provided with a plurality of connecting pipes (18) which are symmetrically distributed around the mold cavity of the lower mold (3), the number of connecting pipes (18) distributed corresponds to the heat exchange flow channel (13), the manifold (19) connects all the connecting pipes (18) with the water outlet of the water pump (17), and the upper end side wall of the water storage tank (16) is connected with a water supply port (20).

6. A high-precision glass compression molding machine according to claim 1, characterized in that: The heating component also includes an exhaust fan (24) installed on the thermal insulation pipe (23).

7. A high-precision glass compression molding machine according to claim 4, characterized in that: The outer contours of the heat conducting sheet (15) and the heat dissipating sheet (21) are both continuous S-shaped.

8. The high-precision glass compression molding machine according to claim 2, characterized in that: Two lower molds (3) are provided, and contact sensors (12) are provided at both ends of the fixed bottom plate (6). When one of the lower molds (3) is located directly below the upper mold (2), the other lower mold (3) contacts the contact sensor (12) at the adjacent end, and the output signal of the contact sensor (12) is fed back to the control switch of the water pump (17) of the adjacent lower mold (3).

9. The high-precision glass compression molding machine according to claim 3, characterized in that: The front end surface of the frame (1) is provided with a control console (5) connected to the mold pressing component (4) and the servo motor (11) by signal, and the control console (5) is used to realize the start and stop of the mold pressing component (4) and the servo motor (11).

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