Plastic hot pressing device for glass rod production

Abstract

The utility model relates to a plastic hot-pressing device for glass rod production, which belongs to the field of plastic hot-pressing and comprises a rack, a shaping mechanism for producing glass rods with different sizes is arranged on the upper surface of the rack, and a thermal cycle mechanism for keeping hot-pressing temperature is arranged in the shaping mechanism. According to the plastic hot-pressing device for glass rod production, by arranging the shaping mechanism and designing a dismounting guide block and a locking bolt, a movable mold and a fixed mold with different sizes can be conveniently replaced to adapt to production of glass rods with different diameters, and the movable mold and the fixed mold are accurately matched through a guide column and a guide hole; the shape accuracy and consistency of the glass rod in the hot pressing process are ensured, a hand wheel and a locking bolt are matched for use, the mold is more convenient and faster to mount and dismount, the mold is allowed to be rapidly replaced due to the design of a shaping mechanism, the equipment adjusting time is shortened, the production efficiency is improved, and the mold stability in the hot pressing process is ensured; and the product quality can be maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic hot pressing, in particular to a plastic hot pressing device for producing glass rods. Background Art

[0002] The plastic hot pressing device for glass rod production is an industrial equipment specially used for producing glass rods. It processes molten glass material into glass rods with a certain diameter, length and shape through the plastic hot pressing process.

[0003] As disclosed in Chinese patent announcement number (CN220450023U), a plastic hot pressing device for producing high borosilicate glass specifically relates to the technical field of high borosilicate glass production. The plastic hot pressing device for producing high borosilicate glass specifically includes a supporting base, a hot pressing body assembly, a driving component and a heating assembly. A heating assembly is arranged on the supporting base, and a load-bearing plate is connected to the supporting base through supporting legs. The load-bearing plate is connected to a mounting plate through supporting rods. A driving component is arranged on the mounting plate, and a hot pressing body assembly is arranged below the driving component. The hot pressing body assembly includes a first fixed plate, a second fixed plate, a telescopic rod, a spring column, a hot pressing module and an upper hot pressing plate. Telescopic rods are arranged around the lower side of the first fixed plate, and a second fixed plate is arranged at the other end of the telescopic rod. A spring column is arranged under the second fixed plate, and a hot pressing module is arranged under the spring column. The upper hot pressing plate is connected to the hot pressing module, and a pressure limiting component is arranged between the supporting legs and the load-bearing plate. Plastic hot pressing of the device can help eliminate internal stress in the glass and improve its strength and durability.

[0004] However, in the prior art such as the above patent, there is still a problem that it is not convenient to disassemble and assemble hot pressing molds of different sizes as a whole or individually for glass rod production. In the prior art, glass rods are produced by hot pressing by means of a hot pressing machine body in conjunction with a hot pressing module, wherein the hot pressing module is connected to a spring column, which makes it difficult to disassemble and assemble, and is not convenient for shaping and hot pressing glass rods of different sizes. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a plastic hot pressing device for glass rod production, which has the advantages of being easy to shape and hot press glass rods of different sizes, and solves the problem in the prior art that it is inconvenient to disassemble and assemble hot pressing molds of different sizes as a whole or separately to produce glass rods.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic hot pressing device for glass rod production, comprising a frame, the upper surface of which is provided with a shaping mechanism for producing glass rods of different sizes, and the interior of the shaping mechanism is provided with a thermal circulation mechanism for maintaining the hot pressing temperature;

[0007] The shaping mechanism includes a processing frame fixed on the upper surface of the frame, a hot pressing cylinder is fixed on the upper surface of the processing frame, a push plate is fixed to the outer side of the hot pressing cylinder output shaft, a bottom plate is fixed on the upper surface of the frame and between the left and right inner walls of the processing frame, a plurality of disassembly and assembly guide blocks are fixed on the opposite sides of the push plate and the bottom plate, a plurality of disassembly and assembly guide blocks on the upper side are slidably connected to the outer sides of the movable mold, a plurality of disassembly and assembly guide blocks on the lower side are slidably connected to the outer sides of the fixed mold, a fixed plate is fixed to the lower surface of the push plate and located on the left side of the movable mold, a through hole is opened on the left side of the fixed plate, and a locking bolt is slidably connected to the inner wall of the through hole, and a fixing screw hole corresponding to the position of the locking bolt is opened on the left side of the movable mold.

[0008] Furthermore, a controller is fixed to the outside of the frame, and a hand wheel is fixed to the left end of the locking bolt.

[0009] Furthermore, a connecting plate is fixed to the right side of the movable mold, and a guide column is fixed to the lower surface of the connecting plate.

[0010] Furthermore, a guide hole corresponding to the position of the guide post is opened on the upper surface of the fixed mold, and the guide post is slidably connected inside the guide hole.

[0011] Furthermore, a plurality of the disassembly and assembly guide blocks are evenly distributed along the length direction of the push plate and the bottom plate.

[0012] Furthermore, the heat circulation mechanism includes a heat conduction cavity opened inside several disassembly and assembly guide blocks on the upper side, and heat circulation pipes are fixed to the inner walls of the several heat conduction cavities, a water tank is fixed to the upper surface of the processing frame, an electric heating pipe is fixed to the left inner wall of the water tank, a circulation pump is fixed to the right side of the water tank, the water outlet end of the circulation pump is connected to the top end of the heat circulation pipe, the water inlet end of the circulation pump is fixed with a pumping pipe connected to the bottom wall of the water tank, and the bottom end of the heat circulation pipe is connected to a return pipe.

[0013] Furthermore, one end of the water return pipe away from the heat circulation pipe penetrates and extends to the inner top wall of the water tank, and a temperature sensor is fixed to the inner wall of the water tank.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. The plastic hot pressing device for glass rod production is provided with a shaping mechanism. Through the design of disassembling guide blocks and locking bolts, movable molds and fixed molds of different sizes can be easily replaced to adapt to the production of glass rods of different diameters. The movable mold and the fixed mold are precisely matched through guide columns and guide holes to ensure the accuracy and consistency of the shape of the glass rod during the hot pressing process. The coordinated use of the hand wheel and the locking bolt makes the installation and removal process of the mold simpler and faster. The design of the shaping mechanism allows for quick mold replacement, reduces equipment adjustment time, and improves production efficiency. The design of the push plate, movable mold and fixed mold ensures the stability of the mold during the hot pressing process, which helps to maintain product quality.

[0016] 2. The plastic hot pressing device for glass rod production is provided with a heat circulation mechanism. The hot water circulation in the heat circulation tube can evenly transfer heat to the mold to ensure the consistency of the mold surface temperature. The temperature sensor in the water tank and the electric heating tube are used in combination to achieve precise control of the mold heating temperature. The use of a circulation pump reduces heat loss and improves the utilization efficiency of thermal energy, allowing the hot pressing temperature of the mold to be continuously maintained during the production process, which helps to improve the molding quality of the glass rod. Through the temperature sensor and the electric heating tube in the water tank, the operator can easily monitor and adjust the temperature of the entire heat circulation system. The design of the heat circulation mechanism allows the temperature and flow rate of the hot water to be adjusted according to different production needs to adapt to the production of glass rods of different materials or different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the shaping mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the thermal cycle mechanism of the utility model;

[0020] Figure 4 It is a partial schematic diagram of the thermal circulation mechanism of the utility model.

[0021] In the figure: 1 frame, 2 shaping mechanism, 21 processing frame, 22 hot pressing cylinder, 23 push plate, 24 bottom plate, 25 disassembly guide block, 26 movable mold, 27 fixed mold, 28 fixed plate, 29 locking bolt, 210 fixing screw hole, 211 guide column, 3 thermal circulation mechanism, 31 heat transfer cavity, 32 thermal circulation pipe, 33 water tank, 34 electric heating pipe, 35 circulation pump, 36 water extraction pipe, 37 water return pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 In this embodiment, a plastic hot pressing device for producing glass rods includes a frame 1. The upper surface of the frame 1 is provided with a shaping mechanism 2 for producing glass rods of different sizes. The interior of the shaping mechanism 2 is provided with a thermal circulation mechanism 3 for maintaining the hot pressing temperature.

[0024] See also Figure 2 In order to disassemble, shape and hot-press glass rods of different sizes, the shaping mechanism 2 in this embodiment includes a processing frame 21 fixed on the upper surface of the frame 1, a hot-pressing cylinder 22 is fixed on the upper surface of the processing frame 21, a push plate 23 is fixed on the outer side of the output shaft of the hot-pressing cylinder 22, a bottom plate 24 is fixed on the upper surface of the frame 1 and located between the inner walls on the left and right sides of the processing frame 21, and a plurality of disassembly guide blocks 25 are fixed on the opposite sides of the push plate 23 and the bottom plate 24. According to the size of the glass rod to be produced, the corresponding movable mold 26 and fixed mold 27 are selected to ensure that they can adapt to the disassembly guide blocks 25, and the outer sides of the plurality of disassembly guide blocks 25 on the upper side are slidably connected with The movable mold 26 and the outer sides of several disassembly and assembly guide blocks 25 on the lower side are slidably connected with the fixed mold 27. With the cooperation of the heat circulation mechanism 3, the mold and the glass material are preheated to the appropriate hot pressing temperature, and the molten glass material is placed between the movable mold 26 and the fixed mold 27. A fixed plate 28 is fixed to the lower surface of the push plate 23 and located on the left side of the movable mold 26. A through hole is opened on the left side of the fixed plate 28, and a locking bolt 29 is slidably connected to the inner wall of the through hole. A fixing screw hole 210 corresponding to the position of the locking bolt 29 is opened on the left side of the movable mold 26. The push plate 23 is pushed by the hot pressing cylinder 22, so that the movable mold 26 applies pressure to the fixed mold 27 to achieve plastic deformation of the glass material.

[0025] In this embodiment, a controller is fixed to the outside of the frame 1, a hand wheel is fixed to the left end of the locking bolt 29, a connecting plate is fixed to the right side of the movable mold 26, and a guide column 211 is fixed to the lower surface of the connecting plate, the movable mold 26 and the fixed mold 27 are slidably connected to the upper and lower disassembly guide blocks 25, respectively, and the movable mold 26 is fixed to the lower surface of the push plate 23 by the locking bolt 29 and the fixing screw hole 210, ensuring that the guide column 211 on the movable mold 26 is correctly aligned with the guide hole on the fixed mold 27 to achieve accurate mold positioning, and the fixed mold 27 A guide hole corresponding to the position of the guide column 211 is opened on the upper surface, and the guide column 211 is slidably connected to the inside of the guide hole. A plurality of disassembly and assembly guide blocks 25 are evenly distributed along the length direction of the push plate 23 and the bottom plate 24. The glass rod is kept at the set pressure and temperature for a period of time to make the glass rod reach the desired shape and size. The pressure is reduced, the formed glass rod is taken out, and the next annealing and cooling treatment is carried out. If the mold size needs to be changed, the locking bolt 29 can be loosened, the movable mold 26 and the fixed mold 27 can be removed for cleaning or replacement.

[0026] See also Figure 3 to Figure 4 In order to perform heat circulation and hot pressing on the glass rod, the heat circulation mechanism 3 in this embodiment includes a heat conduction cavity 31 opened inside a plurality of disassembly guide blocks 25 on the upper side, and a heat circulation pipe 32 is fixed to the inner wall of the plurality of heat conduction cavities 31, a water tank 33 is fixed to the upper surface of the processing frame 21, an electric heating pipe 34 is fixed to the inner wall on the left side of the water tank 33, a proper amount of water is injected into the water tank 33, and the electric heating pipe 34 is started to heat the water to the required hot pressing temperature, a circulation pump 35 is fixed to the right side of the water tank 33, the water outlet end of the circulation pump 35 is connected to the top end of the heat circulation pipe 32, a water pumping pipe 36 connected to the inner bottom wall of the water tank 33 is fixed to the water inlet end of the circulation pump 35, and a return pipe 37 is connected to the bottom end of the heat circulation pipe 32, and the circulation pump 35 is turned on to circulate hot water between the water tank 33, the heat circulation pipe 32 and the return pipe 37, and the hot water circulates in the heat circulation pipe 32.

[0027] In this embodiment, the end of the return pipe 37 away from the heat circulation pipe 32 passes through and extends to the inner top wall of the water tank 33. A temperature sensor is fixed to the inner wall of the water tank 33. Heat is transferred to the mold through the heat conduction cavity 31 to preheat the mold to the hot pressing temperature. The temperature sensor is used to monitor the hot water temperature and the power of the electric heating pipe 34 is adjusted as needed to maintain a constant hot pressing temperature. After production is completed, the electric heating pipe 34 and the circulation pump 35 are turned off to stop the hot water circulation.

[0028] The working principle of the above embodiment is:

[0029] (1) When disassembling, shaping and hot pressing glass rods of different sizes, select the corresponding movable mold 26 and fixed mold 27 according to the size of the glass rod to be produced, and ensure that they can adapt to the disassembly guide block 25, and slide the movable mold 26 and the fixed mold 27 with the upper and lower disassembly guide blocks 25 respectively, fix the movable mold 26 to the lower surface of the push plate 23 through the locking bolts 29 and the fixing screw holes 210, and ensure that the guide column 211 on the movable mold 26 is correctly aligned with the guide hole on the fixed mold 27 to achieve accurate mold positioning. , preheat the mold and glass material to an appropriate hot pressing temperature, place the molten glass material between the movable mold 26 and the fixed mold 27, push the push plate 23 through the hot pressing cylinder 22, so that the movable mold 26 applies pressure to the fixed mold 27 to achieve plastic deformation of the glass material, maintain it for a period of time at the set pressure and temperature, so that the glass rod reaches the desired shape and size, reduce the pressure, take out the formed glass rod, and carry out the next annealing and cooling treatment. If the mold size needs to be changed, loosen the locking bolt 29, remove the movable mold 26 and the fixed mold 27, and clean or replace them.

[0030] (2) When the glass rod is subjected to heat circulation and hot pressing, a proper amount of water is injected into the water tank 33, and the electric heating tube 34 is started to heat the water to the required hot pressing temperature. The circulation pump 35 is turned on to circulate the hot water between the water tank 33, the heat circulation tube 32 and the return water tube 37. The hot water circulates in the heat circulation tube 32 and transfers the heat to the mold through the heat transfer cavity 31 to preheat the mold to the hot pressing temperature. The temperature of the hot water is monitored by a temperature sensor, and the power of the electric heating tube 34 is adjusted as needed to maintain a constant hot pressing temperature. After the production is completed, the electric heating tube 34 and the circulation pump 35 are turned off to stop the hot water circulation.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0032] The standard parts used in this application document can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in this field. Therefore, this application document will no longer explain the control method and circuit connection in detail.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A plastic hot pressing device for glass rod production, comprising a frame (1), characterized in that: The upper surface of the frame (1) is provided with a shaping mechanism (2) for producing glass rods of different sizes, and the interior of the shaping mechanism (2) is provided with a thermal circulation mechanism (3) for maintaining the hot pressing temperature; The shaping mechanism (2) comprises a processing frame (21) fixed on the upper surface of the frame (1), a hot pressing cylinder (22) is fixed on the upper surface of the processing frame (21), a push plate (23) is fixed on the outer side of the output shaft of the hot pressing cylinder (22), a bottom plate (24) is fixed on the upper surface of the frame (1) and located between the left and right inner walls of the processing frame (21), a plurality of disassembly guide blocks (25) are fixed on the opposite sides of the push plate (23) and the bottom plate (24), and a plurality of disassembly guide blocks (25) are fixed on the upper side. The outer sides of the guide blocks (25) are slidably connected to movable molds (26), and the outer sides of several disassembly guide blocks (25) on the lower side are slidably connected to fixed molds (27). A fixed plate (28) is fixed to the lower surface of the push plate (23) and located on the left side of the movable mold (26). A through hole is opened on the left side of the fixed plate (28), and a locking bolt (29) is slidably connected to the inner wall of the through hole. A fixing screw hole (210) corresponding to the position of the locking bolt (29) is opened on the left side of the movable mold (26).

2. A plastic hot pressing device for glass rod production according to claim 1, characterized in that: A controller is fixed on the outside of the frame (1), and a hand wheel is fixed on the left end of the locking bolt (29).

3. The plastic hot pressing device for glass rod production according to claim 1, characterized in that: A connecting plate is fixed on the right side of the movable mold (26), and a guide column (211) is fixed on the lower surface of the connecting plate.

4. A plastic hot pressing device for glass rod production according to claim 3, characterized in that: A guide hole corresponding to the position of the guide column (211) is provided on the upper surface of the fixed mold (27), and the guide column (211) is slidably connected inside the guide hole.

5. The plastic hot pressing device for glass rod production according to claim 1, characterized in that: A plurality of the disassembly and assembly guide blocks (25) are evenly distributed along the length direction of the push plate (23) and the bottom plate (24).

6. The plastic hot pressing device for glass rod production according to claim 1, characterized in that: The heat circulation mechanism (3) comprises a heat conduction cavity (31) opened inside a plurality of disassembly guide blocks (25) on the upper side, and heat circulation pipes (32) are fixed to the inner walls of the plurality of heat conduction cavities (31), a water tank (33) is fixed to the upper surface of the processing frame (21), an electric heating pipe (34) is fixed to the left inner wall of the water tank (33), a circulation pump (35) is fixed to the right side of the water tank (33), the water outlet end of the circulation pump (35) is connected to the top end of the heat circulation pipe (32), the water inlet end of the circulation pump (35) is fixed to a water pump (36) connected to the inner bottom wall of the water tank (33), and the bottom end of the heat circulation pipe (32) is connected to a return water pipe (37).

7. A plastic hot pressing device for glass rod production according to claim 6, characterized in that: One end of the water return pipe (37) away from the heat circulation pipe (32) penetrates and extends to the inner top wall of the water tank (33), and a temperature sensor is fixed to the inner wall of the water tank (33).

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