Energy-saving and environment-friendly temperature control device for hot-pressing die

Abstract

The utility model relates to the technical field of hot-pressing processing, in particular to an energy-saving and environment-friendly temperature control device for a hot-pressing mold, which is characterized in that a mold pressing device is coated and sealed through a lifting device, so that the influence of heat loss on the temperature of an operation environment in the production process of equipment is reduced, and the mold is processed through the mold pressing device, so that the production efficiency is improved. The temperature in the mold machining process is kept, high-temperature air in the lifting device is recycled through the collecting device, secondary utilization of heat energy is facilitated, direct loss of heat is reduced, and the environment friendliness and practicability of the device are improved; comprising a lifting device, a die pressing device and a collecting device, the die pressing device is installed on the lifting device, and the collecting device is installed on the lifting device.

Description

Technical Field

[0001] The utility model relates to the technical field of hot pressing processing, in particular to an energy-saving and environment-friendly hot pressing die temperature control device. Background Art

[0002] Thermoforming is a simple and common processing method in the plastic processing industry. It mainly uses the heating of the processing mold, injects the sample, fixes the model on the heating plate with pressure, controls the melting temperature and time of the sample, so that it can harden and cool after melting, and then take out the finished model. In addition, the molding temperature range of the material is also an important characteristic. Excellent thermoforming materials can become soft rubber in a wider range.

[0003] In the prior art, a Chinese utility model patent with application number CN201220426752.0 relates to an arc-shaped hot press, including a crossbeam, a column, a middle support, an upper support and a guide column, etc., which can be easily maintained and effectively ensure the product quality of the arc-shaped plate.

[0004] However, in actual use, during the hot pressing process of the above device, the mold will emit a large amount of heat to the surrounding environment, which will affect the temperature of the operating environment, affect the comfort of the operating environment, and a large amount of heat will be directly dissipated, causing energy waste. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an energy-saving and environmentally friendly hot pressing mold temperature control device which covers and seals a die pressing device through a lifting device to reduce the impact of heat loss during the equipment production process on the operating environment temperature, processes the mold through the die pressing device and maintains the temperature of the mold during the processing, and recovers the high-temperature air in the lifting device through a collecting device to facilitate the secondary utilization of thermal energy, reduce direct heat loss, and improve the environmental protection and practicality of the device.

[0006] The utility model discloses an energy-saving and environment-friendly hot pressing mold temperature control device; it comprises a lifting device, a die pressing device and a collecting device, wherein the die pressing device is mounted on the lifting device, and the collecting device is mounted on the lifting device; the die pressing device is coated and sealed by the lifting device, so as to reduce the influence of heat loss during the production process of the equipment on the temperature of the operating environment; the mold is processed by the die pressing device and the temperature of the mold is maintained during the processing; the high-temperature air in the lifting device is recovered by the collecting device, so as to facilitate the secondary utilization of heat energy, reduce the direct loss of heat, and improve the environmental protection and practicality of the device.

[0007] Preferably, the lifting device includes a sealing box, a reducer, an electric motor, a sealing plate, a screw, a nut and a bracket, a front end surface of the sealing box is provided with an inlet and outlet, a group of reducers are respectively installed on the left and right sides of the front of the upper end surface of the sealing box, a motor is installed on the reducer, the output end of the reducer passes through the upper end surface of the sealing box and is connected with the screw, two groups of screws are located inside the sealing box and are connected with the lower end surface of the sealing box through bearings, a sealing plate is vertically installed at the front of the sealing box, a group of brackets are respectively installed on the left and right sides of the lower part of the rear end surface of the sealing plate, and the two groups of brackets are respectively connected to the two groups of screws through a group of nuts; turning on the electric motor transmits power to the screw through the reducer to drive the screw to rotate, and the sealing plate is driven up and down by the cooperation of the nut and the screw, the sealing plate cooperates with the sealing box to open and seal the space where the die pressing device is located, thereby reducing the influence of heat loss during the processing of the die pressing device on the operating environment, facilitating the collection device to recover the heat lost by the die pressing device, and improving the practicability of the device.

[0008] Preferably, it also includes an observation window, which is arranged on the sealing plate and has a double-layer glass structure. The observation window facilitates the operator to observe the production process of the die pressing device, and the double-layer glass structure of the observation window itself reduces the heat loss in the sealing box, thereby improving the practicability of the device.

[0009] Preferably, the die pressing device includes a frame, a hydraulic cylinder, a polished rod, a lifting platform, an upper hot pressing mold and a lower hydraulic mold. The frame is installed in the sealed box, the middle part of the frame is supported by multiple groups of polished rods, the upper end surface of the frame is installed with a polished rod, the movable end of the polished rod passes through the upper end surface of the frame and extends to the middle part of the frame and is connected to the lifting platform, multiple groups of polished rods pass through the lifting platform, an upper hot pressing mold is installed on the lower end surface of the lifting platform, and a lower hydraulic mold is installed on the bottom upper end surface of the frame; the lifting platform is driven to fall by controlling the extension of the hydraulic cylinder, and the hot pressing processing of the workpiece is completed by the cooperation of the upper hot pressing mold and the lower hydraulic mold, the lifting process of the lifting platform is limited by multiple groups of polished rods, the vibration of the lifting platform itself during the lifting process is reduced, and the stability and practicality of the device processing are improved.

[0010] Preferably, it also includes an oil heater, a three-way valve and an oil pump. The oil heater is installed at the bottom of the sealed box, the output end of the oil heater is connected to the oil pump, the output end of the oil pump is connected to the three-way valve, two sets of output ends of the three-way valve are connected to the interior of the upper hot pressing mold and the lower hydraulic mold through pipelines, and the pipeline output ends of the upper hot pressing mold and the lower hydraulic mold are connected to the input end of the oil heater through the three-way valve; the heat-conducting oil is heated by the oil heater, and the oil pump and the three-way valve are used to transport the heat-conducting oil to the upper hot pressing mold and the lower hydraulic mold, and a loop is formed to maintain the operating temperature of the upper hot pressing mold and the lower hydraulic mold, thereby improving the practicability of the device.

[0011] Preferably, the collecting device includes a fan and an insulated pipe. The fan is installed on the upper end surface of the sealed box, and the output end of the fan is connected to the insulated pipe. The high-temperature gas in the sealed box is extracted by the fan, and the high-temperature gas is transported to the heat exchange equipment or the heating pipeline in conjunction with the insulated pipe, thereby improving the utilization rate of thermal energy, reducing the loss of heat energy during air transportation through the insulated pipe, and improving the practicability of the device.

[0012] Preferably, a filter is also included. A filter is installed on the input end of the fan through a bracket. The air entering the fan is filtered by the filter to reduce the accumulation of smoke and debris entering the insulation pipe, thereby improving the practicability of the device.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the die pressing device is covered and sealed by the lifting device, thereby reducing the influence of heat loss during the equipment production process on the operating environment temperature; the mold is processed by the die pressing device and the temperature of the mold is maintained during the processing; the high-temperature air in the lifting device is recovered by the collecting device, which is convenient for the secondary utilization of heat energy, reduces direct heat loss, and improves the environmental protection and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the first cross-sectional structure of the utility model;

[0016] Figure 3 It is a second cross-sectional structural schematic diagram of the utility model;

[0017] Figure 4 It is a first partial enlarged structural schematic diagram of the utility model;

[0018] Figure 5 It is a second partial enlarged structural schematic diagram of the utility model;

[0019] Markings in the attached figure: 1. sealing box; 2. reducer; 3. motor; 4. sealing plate; 5. screw; 6. nut; 7. bracket; 8. observation window; 9. rack; 10. hydraulic cylinder; 11. bare rod; 12. lifting platform; 13. upper hot pressing mold; 14. lower hydraulic mold; 15. oil heater; 16. three-way valve; 17. oil pump; 18. fan; 19. insulation pipe; 20. filter. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The die pressing device is installed on the lifting device, and the collecting device is installed on the lifting device;

[0022] First, the workpiece material is placed on the lower hydraulic mold 14, and then the motor 3 is turned on to transmit power to the screw 5 through the reducer 2 to drive the screw 5 to rotate, and the sealing plate 4 is driven to move downward through the nut 6 and the screw 5. The sealing plate 4 cooperates with the sealing box 1 to seal the space where the die pressing device is located, and then the heat transfer oil is heated by the oil heater 15, and the oil pump 17 and the three-way valve 16 are cooperated to transport the heat transfer oil to the upper hot pressing mold 13 and the lower hydraulic mold 14, and a loop is formed to maintain the operating temperature of the upper hot pressing mold 13 and the lower hydraulic mold 14, and then the lifting platform 12 is driven to fall by controlling the extension of the hydraulic cylinder 10, and the hot pressing processing of the workpiece is completed by the cooperation of the upper hot pressing mold 13 and the lower hydraulic mold 14. After the hot pressing processing is completed, the upper hot pressing mold 13 is controlled to rise so that the workpiece and the working surfaces of the upper hot pressing mold 13 and the lower hydraulic mold 14 are exposed to the air, and then the fan 18 is turned on to extract the high-temperature gas in the sealing box 1, and the high-temperature gas is transported to the heat exchange equipment or the heating pipeline in cooperation with the insulation pipe 19;

[0023] The lifting device comprises a sealing box 1, a reducer 2, a motor 3, a sealing plate 4, a lead screw 5, a nut 6 and a bracket 7. The front end surface of the sealing box 1 is provided with an inlet and outlet port, a group of reducers 2 are respectively installed on the left and right sides of the front of the upper end surface of the sealing box 1, and the motor 3 is installed on the reducer 2. The output end of the reducer 2 passes through the upper end surface of the sealing box 1 and is connected to the lead screw 5. The two groups of lead screws 5 are located inside the sealing box 1 and are connected to the lower end surface of the sealing box 1 through bearings. The front part of the sealing box 1 is vertically installed with a sealing plate 4, and the lower part of the rear end surface of the sealing plate 4 is respectively installed with a group of brackets 7. The two groups of brackets 7 are respectively connected to the two groups of lead screws 5 through a group of nuts 6;

[0024] It also includes an observation window 8, which is provided on the sealing plate 4 and has a double-layer glass structure;

[0025] The die pressing device includes a frame 9, a hydraulic cylinder 10, a polished rod 11, a lifting platform 12, an upper hot pressing mold 13 and a lower hydraulic mold 14. The frame 9 is installed in the sealed box 1. The middle part of the frame 9 is supported by multiple groups of polished rods 11. The polished rods 11 are installed on the upper end surface of the frame 9. The movable ends of the polished rods 11 pass through the upper end surface of the frame 9 and extend to the middle part of the frame 9 and are connected to the lifting platform 12. The multiple groups of polished rods 11 pass through the lifting platform 12. The upper hot pressing mold 13 is installed on the lower end surface of the lifting platform 12. The lower hydraulic mold 14 is installed on the upper end surface of the bottom of the frame 9.

[0026] It also includes an oil heater 15, a three-way valve 16 and an oil pump 17. The oil heater 15 is installed at the bottom of the sealed box 1. The output end of the oil heater 15 is connected to the oil pump 17. The output end of the oil pump 17 is connected to the three-way valve 16. The two sets of output ends of the three-way valve 16 are respectively connected to the inside of the upper hot pressing mold 13 and the lower hydraulic mold 14 through pipelines. The pipeline output ends of the upper hot pressing mold 13 and the lower hydraulic mold 14 are connected to the input end of the oil heater 15 through the three-way valve 16.

[0027] The collecting device includes a fan 18 and a heat preservation pipe 19. The fan 18 is installed on the upper end surface of the sealed box 1, and the output end of the fan 18 is connected to the heat preservation pipe 19;

[0028] The die pressing device is covered and sealed by the lifting device to reduce the influence of heat loss during the equipment production process on the operating environment temperature. The mold is processed by the die pressing device and the temperature of the mold is maintained during the processing. The high-temperature air in the lifting device is recovered by the collecting device to facilitate the secondary utilization of heat energy, reduce direct heat loss, and improve the environmental protection and practicality of the device.

[0029] The fan 18, reducer 2, motor 3, hydraulic cylinder 10, upper hot pressing mold 13, lower hydraulic mold 14, oil heater 15 and oil pump 17 of the energy-saving and environment-friendly hot pressing mold temperature control device of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An energy-saving and environmentally friendly hot pressing mold temperature control device; characterized in that, It includes a lifting device, a die pressing device and a collecting device, wherein the die pressing device is installed on the lifting device and the collecting device is installed on the lifting device; The lifting device comprises a sealing box (1), a reducer (2), a motor (3), a sealing plate (4), a lead screw (5), a nut (6) and a bracket (7); the front end surface of the sealing box (1) is provided with an inlet and outlet; a group of reducers (2) are respectively installed on the left and right sides of the front end of the upper end surface of the sealing box (1); the motor (3) is installed on the reducer (2); the output end of the reducer (2) passes through the upper end surface of the sealing box (1) and is connected to the lead screw (5); the two groups of lead screws (5) are located inside the sealing box (1) and are connected to the lower end surface of the sealing box (1) through bearings; the front part of the sealing box (1) is vertically installed with a sealing plate (4); the lower part of the rear end surface of the sealing plate (4) is respectively installed with a group of brackets (7); the two groups of brackets (7) are respectively connected to the two groups of lead screws (5) through a group of nuts (6); the die pressing device comprises a frame (9), a hydraulic cylinder (1 0), a polished rod (11), a lifting platform (12), an upper hot pressing mold (13) and a lower hydraulic mold (14); a frame (9) is installed in the sealed box (1); the middle part of the frame (9) is supported by multiple groups of polished rods (11); the upper end surface of the frame (9) is equipped with a polished rod (11); the movable end of the polished rod (11) passes through the upper end surface of the frame (9) and extends to the middle part of the frame (9) and is connected to the lifting platform (12); the multiple groups of polished rods (11) pass through the lifting platform (12); the upper hot pressing mold (13) is installed on the lower end surface of the lifting platform (12); the lower hydraulic mold (14) is installed on the upper end surface of the bottom of the frame (9); the collecting device comprises a fan (18) and a heat preservation pipe (19); the upper end surface of the sealed box (1) is equipped with a fan (18); the output end of the fan (18) is connected to the heat preservation pipe (19).

2. The energy-saving and environment-friendly hot pressing mold temperature control device according to claim 1, characterized in that: It also comprises an observation window (8), which is arranged on the sealing plate (4) and has a double-layer glass structure.

3. The energy-saving and environment-friendly hot pressing mold temperature control device according to claim 1, characterized in that: The sealing box (1) further comprises an oil heater (15), a three-way valve (16) and an oil pump (17). The oil heater (15) is installed at the bottom of the sealing box (1). The output end of the oil heater (15) is connected to the oil pump (17). The output end of the oil pump (17) is connected to the three-way valve (16). Two groups of output ends of the three-way valve (16) are respectively connected to the inside of the upper hot pressing mold (13) and the lower hydraulic mold (14) through pipelines. The output ends of the pipelines of the upper hot pressing mold (13) and the lower hydraulic mold (14) are connected to the input end of the oil heater (15) through the three-way valve (16).

4. The energy-saving and environment-friendly hot pressing mold temperature control device according to claim 1, characterized in that: It also includes a filter screen (20), and the filter screen (20) is installed on the input end of the fan (18) via a bracket.

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