CN211112203U

CN211112203U - Optical vacuumizing device capable of efficiently vacuumizing

Info

Publication number: CN211112203U
Application number: CN201921489607.5U
Authority: CN
Inventors: 杨玉飞
Original assignee: Jiangyin Mudas Vacuum Equipment Co ltd
Current assignee: Jiangyin Mudas Vacuum Equipment Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-07-28
Anticipated expiration: 2029-09-09

Abstract

The utility model belongs to the technical field of vacuum-pumping devices, in particular to an optical vacuum-pumping device capable of efficiently pumping vacuum, which comprises a vacuum coating chamber, an optical coating heater, a vacuum-pumping machine, an air flow regulating box and a residual heat temporary storage air bag, wherein the bottom end of the inner cavity of the vacuum coating chamber is fixedly provided with the optical coating heater, the side of the optical coating heater is surrounded and fixed with a residual heat absorption ring cavity, the vacuum-pumping machine is connected with the vacuum coating chamber through an air exhaust guide pipe in a conduction way, the outer side of the air exhaust guide pipe is sleeved with a heat insulation sleeve, a heat exchange ring cavity is formed between the heat insulation sleeve and the air exhaust guide pipe, the utility model discloses a residual heat absorption ring cavity is arranged at the side of the optical coating heater to absorb the heat energy generated during the work and the heat energy enters the residual heat temporary storage air bag for storage, and the residual heat enters the heat exchange ring cavity, the air exhaust guide pipe is heated, so that the air exhaust guide pipe is prevented from being cooled and frozen, and the high-efficiency operation of the vacuum extractor is kept.

Description

Optical vacuumizing device capable of efficiently vacuumizing

Technical Field

The utility model relates to an evacuating device technical field specifically is an optical evacuating device that can high-efficient evacuation.

Background

The optical vacuum coating is characterized in that a certain metal or metal compound is deposited on the surface of an optical material in a gas phase mode to form a conductive film, an inlet pipe and an outlet pipe are frequently contacted with the atmosphere in the optical vacuum coating process, the phenomenon of icing is easy to occur at the end part of an air exhaust pipeline in the process of repeatedly vacuumizing and discharging the atmosphere, even the air exhaust pipeline is blocked to influence the vacuumizing efficiency Heating and coating processes, if the heat energy generated in the heating process can be fully utilized to act on the temperature of the inlet pipe or the outlet pipe, the problems are solved and the energy is saved.

In summary, the conventional optical vacuum extractor capable of efficiently extracting vacuum has the following problems:

1. the outlet of the air exhaust pipeline of the vacuum device is easy to freeze due to frequent air exhaust and air discharge, and the air exhaust pipeline is blocked by ice blocks when the ice blocks are serious, so that the vacuum efficiency is influenced;

2. the external electric heating wire is adopted to heat the air exhaust pipeline, so that electric energy is wasted, and meanwhile, waste heat generated by vacuum coating cannot be effectively utilized.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a vacuum extractor for optics that can high-efficient evacuation has solved among the prior art bleed-off line and has appeared freezing easily, influences the problem of evacuation efficiency.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an optical vacuumizing device capable of efficiently vacuumizing comprises a vacuum coating chamber, an optical coating heater, a vacuumizing machine, an air flow adjusting box and a waste heat temporary storage air bag, wherein the optical coating heater is fixedly installed at the bottom end of the inner cavity of the vacuum coating chamber, a waste heat absorption annular cavity is fixedly surrounded on the side edge of the optical coating heater, the vacuumizing machine is in conduction connection with the vacuum coating chamber through an air exhaust guide pipe, a heat insulation sleeve is sleeved on the outer side of the air exhaust guide pipe, a heat exchange annular cavity is formed between the heat insulation sleeve and the air exhaust guide pipe, at least one heat exchange pipe is inserted into the top end of the heat exchange annular cavity, at least one backflow pipeline is inserted into the bottom end of the heat exchange annular cavity, the air flow adjusting box and the waste heat temporary storage air bag are fixedly installed on one side of the inner cavity of the vacuum coating chamber, the waste heat absorption annular cavity is in conduction connection with an inlet of the waste heat temporary, the outlet of the waste heat temporary storage air bag is in conduction connection with the heat exchange tube through the air flow adjusting box, and two ends of the backflow pipeline are respectively in conduction with the heat exchange annular cavity and the waste heat absorption annular cavity.

As an optimal technical scheme of the utility model, be equipped with electric turbocharging fan and air regulation valve in the air current regulation case, air regulation valve is equipped with adjustment handle, adjustment handle runs through the outer wall of vacuum coating room is connected with the twisting disk, adjustment handle with the junction of the outdoor wall of vacuum coating is equipped with the rubber lantern ring.

As an optimized technical proposal of the utility model, the periphery of the twisting disk is covered with a sealing rubber sleeve, and the sealing rubber sleeve is closely connected with the outer wall of the vacuum coating chamber through a sealing compression ring.

As an optimal technical scheme of the utility model, one side fixed mounting of vacuum coating outdoor wall has the electric cabinet of control, installs MCU module and touch-control display screen on the electric cabinet of control, touch-control display screen electric connection the signal input part of MCU module.

As an optimal technical scheme of the utility model, be provided with the electron vacuum meter in the vacuum coating room, the waste heat absorption ring chamber with all be equipped with the electron thermometer in the heat exchange ring chamber, the electron vacuum meter with the equal electric connection of electron thermometer the signal input part of MCU module, the instruction output electric connection of MCU module electric turbo fan.

As an optimized technical scheme of the utility model, the top of vacuum coating room is equipped with optics coating film stores pylon, optics coating film stores pylon is located directly over optics coating film adds the hot-water bag and adds the machine.

(III) advantageous effects

Compared with the prior art, the utility model provides a but evacuating device is used to optics of high-efficient evacuation possesses following beneficial effect:

1. this but high-efficient evacuating optical evacuating device for optics absorbs the heat energy that its during operation produced through setting up the waste heat absorption ring chamber at optics coating heater avris to get into the waste heat and keep in the gasbag storage, the waste heat gets into the heat exchange ring chamber between bleed pipe and the insulation support through the drive regulation of electric turbo booster fan and air regulation valve, heats the bleed pipe, avoids its cooling to freeze, keeps the high-efficient operation of evacuation machine.

2. This can high-efficient evacuating optical evacuating device that uses seals the junction of adjustment handle and vacuum coating chamber outer wall through setting up the rubber lantern ring to it has sealed gum cover to cover in the periphery of twisting disk, and sealed gum cover is further sealed adjustment handle and twisting disk, and the cooperation rubber lantern ring makes the vacuum coating chamber have good vacuum.

Drawings

FIG. 1 is a schematic view of the subjective structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the airflow adjusting mechanism of the present invention.

In the figure: 1. a vacuum coating chamber; 2. an optical coating heater; 3. a waste heat absorbing ring cavity; 4. a vacuum extractor; 5. an air extraction duct; 6. a heat-insulating sleeve; 7. a heat exchange annulus; 8. a heat exchange tube; 9. a return line; 10. an air flow conditioning box; 101. an electric turbo charger fan; 102. An air volume adjusting valve; 103. an adjusting handle; 104. a twisting disk; 105. a rubber collar; 11. A waste heat temporary storage air bag; 12. sealing the rubber sleeve; 13. sealing the pressure ring; 14. an MCU module; 15. A touch display screen; 16. an electronic vacuum gauge; 17. an electronic thermometer; 18. optical coating stores pylon.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: an optical vacuumizing device capable of efficiently vacuumizing comprises a vacuum coating chamber 1, an optical coating heater 2, a vacuumizing machine 4, an air flow adjusting box 10 and a waste heat temporary storage air bag 11, wherein the optical coating heater 2 is fixedly installed at the bottom end of an inner cavity of the vacuum coating chamber 1, a waste heat absorption annular cavity 3 is fixedly surrounded on the side of the optical coating heater 2, the vacuumizing machine 4 is in conduction connection with the vacuum coating chamber 1 through an air exhaust guide pipe 5, a heat insulation sleeve 6 is sleeved on the outer side of the air exhaust guide pipe 5, a heat exchange annular cavity 7 is formed between the heat insulation sleeve 6 and the air exhaust guide pipe 5, at least one heat exchange pipe 8 is inserted in the top end of the heat exchange annular cavity 7, at least one backflow pipeline 9 is inserted in the bottom end of the heat exchange annular cavity 7, the air flow adjusting box 10 and the waste heat temporary storage air bag 11 are fixedly installed on one side of the inner cavity of the vacuum coating chamber 1, and the waste heat absorption, the outlet of the residual heat temporary storage air bag 11 is communicated and connected with the heat exchange tube 8 through the air flow adjusting box 10, and the two ends of the return pipeline 9 are respectively communicated with the heat exchange annular cavity 7 and the residual heat absorption annular cavity 3.

In this embodiment, the optical coating heater 2 generates excessive heat when performing heating and coating, the heat energy is absorbed by the waste heat absorption annular cavity 3 surrounded by the side edge, the absorbed heat energy enters the waste heat temporary storage air bag 11 for storage, when the air exhaust duct 5 freezes, the hot air in the waste heat temporary storage air bag 11 sequentially passes through the air flow regulating box 10 and the heat exchange pipe 8 to enter the heat exchange annular cavity 7, the heat energy exchange is performed on the air exhaust duct 5, the exchanged cold air flow returns to the waste heat absorption annular cavity 3 through the backflow pipeline 9, the waste heat emitted by the optical coating heater 2 is re-absorbed, and preparation is made for the next heating cycle.

Specifically, an electric turbocharging fan 101 and an air volume regulating valve 102 are arranged in the air flow regulating box 10, wherein the air volume regulating valve 102 is provided with a regulating handle 103, the regulating handle 103 penetrates through the outer wall of the vacuum coating chamber 1 and is connected with a twisting disk 104, and a rubber sleeve ring 105 is arranged at the joint of the regulating handle 103 and the outer wall of the vacuum coating chamber 1.

In this embodiment, the electric turbo charger 101 is a PF-100W2 model silent seal turbo fan, the air inlet aperture is 100 mm, which can absorb a large amount of hot air in a short time, the air volume adjusting valve 102 is a disc valve with the inner diameter of 100 mm and made of aluminum alloy, when the heat exchange operation is carried out, the electric turbo charger fan 101 absorbs the hot air from the residual heat temporary storage air bag 11, then hot air enters the heat exchange tube 8 through the air volume adjusting valve 102 and then enters the heat exchange annular cavity 7 for heat exchange, the twisting disc 104 is pulled, the twisting disc 104 drives the airtight disc on the air volume adjusting valve 102 to turn over through the adjusting handle 103, the air output is adjusted, and the rubber lantern ring 105 is used for sealing the joint of the adjusting handle 103 and the outer wall of the vacuum coating chamber 1, so that the influence of external air leakage into the vacuum coating chamber 1 on the vacuum performance of the vacuum coating chamber is avoided.

Specifically, the periphery of the twisting disk 104 is covered with a sealing rubber sleeve 12, and the sealing rubber sleeve 12 is tightly connected with the outer wall of the vacuum coating chamber 1 through a sealing compression ring 13.

In this embodiment, the sealing press ring 13 is fixed on the outer wall of the vacuum coating chamber 1 by screws, the sealing press ring 13 tightly presses the sealing rubber sleeve 12 to tightly attach to the outer wall of the vacuum coating chamber 1, so as to avoid air leakage, the sealing rubber sleeve 12 further seals the adjusting handle 103 and the twisting disk 104, and the rubber sleeve ring 105 is matched to ensure that the vacuum coating chamber 1 has a good vacuum degree.

Specifically, one side fixed mounting of vacuum coating room 1 outer wall has the electric cabinet of control, installs MCU module 14 and touch-control display screen 15 on the electric cabinet of control, and touch-control display screen 15 electric connection MCU module 14's signal input part.

In this embodiment, the MCU module is a micro control unit, also called a single-chip microcomputer or a single-chip microcomputer, which properly reduces the frequency and specification of the cpu, and integrates the peripheral interfaces such as memory, counter, USB, a/D conversion, UART, P L C, DMA, and even L CD driver circuit on a single chip to form a chip-level computer, so as to perform different combination controls for different applications, such as mobile phone, PC periphery, remote controller, control of stepping motor and robot in automotive electronics and industry, thereby performing a good control of the present invention, and the touch display screen 15 is a NT600S-ST121 type touch screen, and has a good data input function for inputting various control parameters and operation instructions.

Specifically, an electronic vacuum meter 16 is arranged in the vacuum coating chamber 1, electronic thermometers 17 are arranged in the waste heat absorption annular cavity 3 and the heat exchange annular cavity 7, the electronic vacuum meter 16 and the electronic thermometers 17 are electrically connected with a signal input end of the MCU module 14, and an instruction output end of the MCU module 14 is electrically connected with the electric turbo-charger fan 101.

In this embodiment, the electronic vacuum gauge 16 is used for displaying the vacuum degree in the vacuum coating chamber 1, and provides a standard vacuum environment for optical glass coating, the electronic thermometer 17 displays the temperature in the air exhaust duct 5, and avoids the freezing of the air exhaust duct 5 from affecting the vacuum pumping efficiency, the electronic vacuum gauge 16 and the electronic thermometer 17 respectively transmit the detected information to the MCU module 14, the MCU module 14 analyzes the detected information, and performs corresponding adjustment according to the self-set program, and the information is transmitted to the touch display screen 15 for people to observe and operate conveniently.

Specifically, the top end of the vacuum coating chamber 1 is provided with an optical coating hanger 18, and the optical coating hanger 18 is located right above the optical coating heater 2.

In this embodiment, the optical coating hanger 18 is used for mounting optical glass to be vacuum coated, and cooperates with the optical coating heater 2 to perform a vapor deposition process for coating the optical glass.

In this embodiment, the optical coating heater 2, the vacuumizer 4, the MCU module 14, and the touch display screen 15 are known technologies that have been disclosed and widely used in daily life.

The utility model discloses a theory of operation and use flow: the optical coating heater 2 generates redundant heat when heating and coating, the heat is absorbed by the residual heat absorption ring cavity 3 surrounded by the side edge, the absorbed heat enters the residual heat temporary storage air bag 11 for storage, when the electronic thermometer 17 detects that the temperature in the air suction duct 5 is reduced and is about to freeze, a low-temperature signal is transmitted to the MCU module 14, the MCU module 14 analyzes the heat and instructs the electric turbo booster fan 101 to start according to a self-set program, the electric turbo booster fan 101 pumps the hot air stored in the residual heat temporary storage air bag 11 into the air volume adjusting valve 102, the hot air enters the heat exchange ring cavity 7 from the heat exchange tube 8 through the adjustment of the air volume adjusting valve 102 to exchange heat for the air suction duct 5, the exchanged cold air flow returns to the residual heat absorption ring cavity 3 through the return pipeline 9 to re-absorb the residual heat emitted by the optical coating heater 2 to prepare for the next heating cycle, when the air quantity needs to be adjusted, the air quantity adjusting valve 102 can be controlled by rotating the twisting disk 104, at the moment, the rubber sleeve ring 105 seals the joint of the adjusting handle 103 and the outer wall of the vacuum coating chamber 1, the sealing rubber sleeve 12 further seals the adjusting handle 103 and the twisting disk 104, and the vacuum coating chamber 1 has good vacuum degree by matching with the rubber sleeve ring 105.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but high-efficient evacuating optical evacuating device that uses, includes vacuum coating room (1), optical coating heater (2), evacuation machine (4), air current regulating box (10) and waste heat gasbag (11) of keeping in, its characterized in that: the bottom fixed mounting of vacuum coating room (1) inner chamber has optics coating heater (2), the avris of optics coating heater (2) encircles and is fixed with waste heat absorption ring chamber (3), evacuation machine (4) with vacuum coating room (1) is through bleeding pipe (5) turn-on connection, heat-insulating sleeve (6) have been cup jointed in the outside of bleeding pipe (5), constitute heat exchange ring chamber (7) between heat-insulating sleeve (6) and the pipe (5) of bleeding, at least one hot exchange pipe (8) have been alternate in the top of heat exchange ring chamber (7), at least one backflow pipeline (9) have been alternate in the bottom of heat exchange ring chamber (7), one side fixed mounting of vacuum coating room (1) inner chamber has air current regulating box (10) with waste heat gasbag (11) of keeping in, waste heat absorption ring chamber (3) is through the import of pipeline turn-on connection gasbag (11) of keeping in waste heat, the outlet of the waste heat temporary storage air bag (11) is communicated and connected with the heat exchange tube (8) through the air flow adjusting box (10), and the two ends of the backflow pipeline (9) are respectively communicated with the heat exchange annular cavity (7) and the waste heat absorption annular cavity (3).

2. An optical vacuum pumping apparatus capable of efficiently pumping vacuum according to claim 1, wherein: an electric turbocharging fan (101) and an air volume adjusting valve (102) are arranged in the air flow adjusting box (10), the air volume adjusting valve (102) is provided with an adjusting handle (103), the adjusting handle (103) penetrates through the outer wall of the vacuum coating chamber (1) and is connected with a twisting disk (104), and a rubber sleeve ring (105) is arranged at the joint of the adjusting handle (103) and the outer wall of the vacuum coating chamber (1).

3. An optical vacuum pumping apparatus capable of performing vacuum pumping efficiently according to claim 2, characterized in that: the periphery of the twisting disc (104) is covered with a sealing rubber sleeve (12), and the sealing rubber sleeve (12) is tightly connected with the outer wall of the vacuum coating chamber (1) through a sealing pressure ring (13).

4. An optical vacuum pumping apparatus capable of performing vacuum pumping efficiently according to claim 2, characterized in that: one side fixed mounting of vacuum coating room (1) outer wall has the control electric cabinet, installs MCU module (14) and touch-control display screen (15) on the control electric cabinet, touch-control display screen (15) electric connection the signal input part of MCU module (14).

5. An optical vacuum pumping apparatus capable of performing vacuum pumping efficiently according to claim 4, wherein: an electronic vacuum meter (16) is arranged in the vacuum coating chamber (1), an electronic thermometer (17) is arranged in the waste heat absorption annular cavity (3) and the heat exchange annular cavity (7), the electronic vacuum meter (16) and the electronic thermometer (17) are electrically connected with a signal input end of the MCU module (14), and an instruction output end of the MCU module (14) is electrically connected with the electric turbo-charger fan (101).

6. An optical vacuum pumping apparatus capable of efficiently pumping vacuum according to claim 1, wherein: the top end of the vacuum coating chamber (1) is provided with an optical coating hanging rack (18), and the optical coating hanging rack (18) is positioned right above the optical coating heater (2).