Vacuum hot pressing furnace for processing optical materials

Abstract

The utility model discloses a vacuum hot pressing furnace for processing optical materials, which comprises a furnace cabinet, vertical rods are arranged at the corners of the top of the furnace cabinet, the tops of the vertical rods are jointly connected with a supporting plate, a hydraulic cylinder is arranged at the center of the supporting plate, a sealing ring is arranged at the center of the top of the furnace cabinet, and the hydraulic cylinder is connected with the sealing ring. A sealing ring is arranged at the top of the furnace cabinet, a column casing is arranged at the top of the sealing ring, the output end of the hydraulic cylinder is connected with a template, a graphite heater is arranged on the template, a plurality of waste heat absorption structures are detachably connected to the outer wall of the column casing, a vacuum furnace is arranged in the furnace cabinet, and a groove is formed in the top of the vacuum furnace. A resistance heating plate is arranged at the bottom of the vacuum furnace, and cooling structures are arranged on the two sides of the vacuum furnace. According to the vacuum furnace, waste heat can be conveniently and rapidly absorbed, meanwhile, the vacuum furnace can be rapidly cooled, and functionality is high.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum hot pressing furnaces, in particular to a vacuum hot pressing furnace for processing optical materials. Background Art

[0002] The vacuum hot pressing furnace is mainly composed of the furnace body, furnace door, heating and heat preservation and temperature measurement system, vacuum system, gas filling system, water cooling system, control system, hydraulic system, etc. The vacuum hot pressing furnace is a cycle operation type, which is widely used in hot pressing and sintering treatment under high temperature and high vacuum conditions in cemented carbide, functional ceramics, powder metallurgy, optical material processing, etc. The vacuum hot pressing furnace can provide a high temperature, high vacuum and pressure control environment, so that the optical material can achieve the required shape and performance during the processing. It has a wide range of applications in the manufacture of optical components, optical fibers, semiconductor devices and other fields.

[0003] The existing vacuum hot pressing furnace is not convenient for quickly recovering the waste heat generated, and is not convenient for quickly cooling down the temperature. Therefore, it is necessary to design corresponding technical solutions to solve the existing technical problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a vacuum hot pressing furnace for processing optical materials, which solves the problem that the existing vacuum hot pressing furnace is not convenient for quickly recovering the waste heat generated and is not convenient for quickly cooling down.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a vacuum hot pressing furnace for processing optical materials, including a furnace cabinet, vertical poles are arranged at the top corners of the furnace cabinet, the tops of the vertical poles are commonly connected to a support plate, a hydraulic cylinder is arranged at the center of the support plate, a sealing ring is arranged at the top center of the furnace cabinet, and a column is arranged on the top of the sealing ring, the output end of the hydraulic cylinder is connected to a template, and a graphite heater is arranged on the template, a plurality of waste heat absorption structures are detachably connected to the outer wall of the column, a vacuum furnace is arranged inside the furnace cabinet, a groove is arranged on the top of the vacuum furnace, a resistance heating plate is arranged at the bottom of the vacuum furnace, and cooling structures are arranged on both sides of the vacuum furnace.

[0008] As a further preferred embodiment of the utility model, the waste heat absorption structure includes a columnar liquid storage cylinder, a sealing cover is provided on the top of the liquid storage cylinder, and a plurality of heat-conducting rods are equidistantly provided on the outer wall of the liquid storage cylinder, and the plurality of heat-conducting rods are plugged and fixed to the column cylinder.

[0009] As a further preferred embodiment of the present invention, the cooling structure includes a cooling liquid tank, liquid guide tubes are connected to both sides of the cooling liquid tank, the inner ends of the liquid guide tubes extend into the interior of the furnace cabinet and the terminals are connected to the heat conduction plate, a bent circulating liquid pipe is arranged inside the heat conduction plate, and the inner wall of the heat conduction plate is connected to the outer wall of the vacuum furnace.

[0010] As a further preferred embodiment of the present invention, a liquid pump is provided inside the cooling liquid tank, and a flow control valve is provided on the liquid guiding tube.

[0011] As a further preferred embodiment of the present invention, a detection instrument is provided on the top of the front outer wall of the furnace cabinet, and a vacuum tube is provided on the back outer wall of the furnace cabinet.

[0012] (III) Beneficial effects

[0013] The utility model provides a vacuum hot pressing furnace for processing optical materials. It has the following beneficial effects:

[0014] The utility model discloses a vacuum hot-pressing furnace for processing optical materials, wherein vertical poles are arranged at the top corners of the furnace cabinet, the tops of the vertical poles are connected with support plates, a hydraulic cylinder is arranged at the center of the support plates, the hydraulic cylinder can drive the template inside the column tube to be pressurized, and a graphite heater is arranged on the template to heat the vacuum furnace from the top, a resistance heating plate is arranged at the bottom of the vacuum furnace to heat from the bottom to quickly conduct heat, and part of the heat can be conducted to the column tube, the outer wall of the column tube is detachably connected with a plurality of waste heat absorption structures, the liquid storage tube and a plurality of heat-conducting rods on the outer wall thereof, which can be quickly installed to absorb excess heat, and are more environmentally friendly.

[0015] The utility model provides cooling structures on both sides of the vacuum furnace, and liquid guide pipes are connected to both sides of the coolant tank to deliver the cooled liquid to the circulating liquid pipe of the heat conducting plate. The heat conducting plate is in full contact with the side wall of the vacuum furnace, quickly absorbs heat, and achieves a cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the furnace cabinet of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal structure of the column of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the waste heat absorption structure of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the heat conducting plate of the utility model.

[0021] In the figure, 1. furnace cabinet; 2. upright pole; 3. support plate; 4. hydraulic cylinder; 5. sealing ring; 6. column tube; 7. template; 8. graphite heater; 9. vacuum furnace; 10. resistance heating plate; 11. liquid storage cylinder; 12. sealing cover; 13. heat transfer rod; 14. coolant tank; 15. liquid guide tube; 16. circulating liquid tube; 17. flow control valve; 18. detection instrument; 19. vacuum tube. 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 1-5 The embodiment of the utility model provides a technical solution: a vacuum hot pressing furnace for processing optical materials, including a furnace cabinet 1, vertical poles 2 are arranged at the top corners of the furnace cabinet 1, and the tops of the vertical poles 2 are commonly connected to a support plate 3, a hydraulic cylinder 4 is arranged at the center of the support plate 3, a sealing ring 5 is arranged at the top center of the furnace cabinet 1, and a column 6 is arranged on the top of the sealing ring 5, the output end of the hydraulic cylinder 4 is connected to a template 7, and a graphite heater 8 is arranged on the template 7, and a plurality of waste heat absorption structures are detachably connected to the outer wall of the column 6, a vacuum furnace 9 is arranged inside the furnace cabinet 1, a groove is arranged on the top of the vacuum furnace 9, a resistance heating plate 10 is arranged at the bottom of the vacuum furnace 9, and cooling structures are arranged on both sides of the vacuum furnace 9.

[0024] The waste heat absorption structure includes a columnar liquid storage cylinder 11, a sealing cover 12 is arranged on the top of the liquid storage cylinder 11, and a plurality of heat-conducting rods 13 are arranged equidistantly on the outer wall of the liquid storage cylinder 11. The plurality of heat-conducting rods 13 are plugged and fixed to the column cylinder 6. A plurality of liquid storage cylinders 11 are plugged on the outside of the column cylinder 6, and the heat-conducting rods 13 are used to conduct heat to the liquid storage cylinders 11 to quickly absorb waste heat.

[0025] The cooling structure includes a cooling liquid tank 14, and liquid guide tubes 15 are connected to both sides of the cooling liquid tank 14. The inner ends of the liquid guide tubes 15 extend into the interior of the furnace cabinet 1 and the terminals are connected to the heat conduction plate. A curved circulating liquid pipe 16 is provided inside the heat conduction plate, and the inner wall of the heat conduction plate is connected to the outer wall of the vacuum furnace. The cooling liquid tank 14 is used to deliver the liquid inside to the circulating liquid pipe 16, and the heat conduction plate is used to quickly cool the vacuum furnace 9.

[0026] A liquid pump is disposed inside the cooling liquid tank 14 , and a flow control valve 17 is disposed on the liquid conduit 15 . The flow control valve 17 is used to control the flow of the cooling liquid.

[0027] A detection instrument 18 is provided on the top of the front outer wall of the furnace cabinet 1, and a vacuum tube 19 is provided on the back outer wall of the furnace cabinet 1. The internal temperature and pressure are detected by using the detection instrument 18, and the vacuum tube 19 can cooperate with a vacuum pump to create a vacuum environment.

[0028] Working principle: vertical poles 2 are provided at the top corners of the furnace cabinet 1, and the tops of the vertical poles 2 are connected together with support plates 3. A hydraulic cylinder 4 is provided at the center of the support plate 3. The hydraulic cylinder 4 can drive the template 7 inside the column tube 6 to be pressurized, and a graphite heater 8 is provided on the template 7 to heat the vacuum furnace from the top. A resistance heating plate 10 is provided at the bottom of the vacuum furnace to heat from the bottom for rapid heat conduction, and part of the heat can be conducted to the column tube 6. The outer wall of the column tube 6 is detachably connected with several waste heat absorption structures, a liquid storage cylinder 11 and several heat conduction rods 13 on its outer wall, which can be quickly installed to absorb excess heat. Cooling structures are provided on both sides of the vacuum furnace 9, and liquid guide pipes 15 are connected to both sides of the coolant tank 14 to deliver the cooled liquid to the circulating liquid pipe 16 of the heat conduction plate. The heat conduction plate is in full contact with the side wall of the vacuum furnace to quickly absorb heat and achieve a cooling effect.

[0029] The utility model includes 1, furnace cabinet; 2, upright pole; 3, support plate; 4, hydraulic cylinder; 5, sealing ring; 6, column tube; 7, template; 8, graphite heater; 9, vacuum furnace; 10, resistance heating plate; 11, liquid storage cylinder; 12, sealing cover; 13, heat conduction rod; 14, coolant tank; 15, liquid guide tube; 16, circulating liquid tube; 17, flow control valve; 18, detection instrument; 19, vacuum tube, and the components are all universal standard parts or components known to the technicians in this field, and the structures and principles thereof can be known to the technicians in this field through the technical manual or through conventional experimental methods. The utility model solves the problem that the existing vacuum hot pressing furnace is not convenient for rapid recovery of the waste heat generated and is not convenient for rapid cooling. The utility model combines the above components with each other, and the processing optical A vacuum hot pressing furnace for materials, with vertical poles at the top corners of the furnace cabinet, the tops of the vertical poles are connected with support plates, a hydraulic cylinder is arranged at the center of the support plate, the hydraulic cylinder can drive the template inside the column to be pressurized, and a graphite heater is arranged on the template to heat the vacuum furnace from the top, a resistance heating plate is arranged at the bottom of the vacuum furnace to heat from the bottom for rapid heat conduction, part of the heat can be conducted to the column, a plurality of waste heat absorption structures are detachably connected to the outer wall of the column, a plurality of heat-conducting rods on the liquid storage cylinder and its outer wall can be quickly installed to absorb excess heat, which is more environmentally friendly, cooling structures are arranged on both sides of the vacuum furnace of the utility model, liquid guide pipes are connected on both sides of the coolant tank to deliver the cooled liquid to the circulating liquid pipe of the heat-conducting plate, the heat-conducting plate is in full contact with the side wall of the vacuum furnace, and the heat is quickly absorbed to achieve a cooling effect.

[0030] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A vacuum hot pressing furnace for processing optical materials, comprising a furnace cabinet (1), characterized in that: Vertical poles (2) are arranged at the top corners of the furnace cabinet (1), the tops of the vertical poles (2) are connected to a support plate (3), a hydraulic cylinder (4) is arranged at the center of the support plate (3), a sealing ring (5) is arranged at the center of the top of the furnace cabinet (1), and a column (6) is arranged at the top of the sealing ring (5), the output end of the hydraulic cylinder (4) is connected to a template (7), and a graphite heater (8) is arranged on the template (7), and a plurality of waste heat absorption structures are detachably connected to the outer wall of the column (6), a vacuum furnace (9) is arranged inside the furnace cabinet (1), a groove is arranged at the top of the vacuum furnace (9), a resistance heating plate (10) is arranged at the bottom of the vacuum furnace (9), and cooling structures are arranged on both sides of the vacuum furnace (9).

2. A vacuum hot pressing furnace for processing optical materials according to claim 1, characterized in that: The waste heat absorption structure comprises a columnar liquid storage cylinder (11), a sealing cover (12) is arranged on the top of the liquid storage cylinder (11), a plurality of heat-conducting rods (13) are arranged at equal distances on the outer wall of the liquid storage cylinder (11), and the plurality of heat-conducting rods (13) are plugged and fixed to the column cylinder (6).

3. A vacuum hot pressing furnace for processing optical materials according to claim 2, characterized in that: The cooling structure comprises a cooling liquid tank (14), and liquid guide tubes (15) are connected to both sides of the cooling liquid tank (14). The inner end of the liquid guide tube (15) extends into the interior of the furnace cabinet (1) and the terminal end is connected to a heat conduction plate. A bent circulating liquid pipe (16) is arranged inside the heat conduction plate, and the inner wall of the heat conduction plate is connected to the outer wall of the vacuum furnace.

4. A vacuum hot pressing furnace for processing optical materials according to claim 3, characterized in that: A liquid pump is arranged inside the cooling liquid tank (14), and a flow control valve (17) is arranged on the liquid guide tube (15).

5. The vacuum hot pressing furnace for processing optical materials according to claim 1, characterized in that: A detection instrument (18) is arranged on the top of the front outer wall of the furnace cabinet (1), and a vacuum tube (19) is arranged on the back outer wall of the furnace cabinet (1).

Images