CN219054312U

CN219054312U - Vacuum exhaust table

Info

Publication number: CN219054312U
Application number: CN202223155467.2U
Authority: CN
Inventors: 张雪良; 王艳东; 梁伟勇
Original assignee: Baoding Hengming Light Source Electronic Technology Co ltd
Current assignee: Baoding Hengming Light Source Electronic Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-23
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a vacuum exhaust table, which comprises a workbench, wherein a vacuum pump, a gas tank and a plurality of object placing chambers are arranged on a platform of the workbench; still include closing plate, the gas pitcher push rod, a plurality of baffle, a plurality of sealing ring and a plurality of thing room push rod of putting, two cavities around the gas pitcher is separated into to the closing plate, the gas pitcher push rod is installed on the back lateral wall of gas pitcher, the piston and the closing plate of gas pitcher push rod are connected, a plurality of baffles separate a plurality of thing rooms into front and back rooms respectively, the front chamber passes through the trachea intercommunication with the antechamber of vacuum pump and a plurality of thing rooms, all be provided with the sealing ring between a plurality of baffles and the inner wall of a plurality of thing rooms, a plurality of thing room push rods are installed on the rear side outer wall of a plurality of thing rooms, the piston rod of a plurality of thing room push rods is connected with a plurality of baffles respectively, sealing plate and a plurality of baffles change the volume of gas pitcher and a plurality of thing rooms. The utility model can shorten the time for obtaining enough vacuum degree by changing the volume of the placing chamber, thereby improving the working efficiency.

Description

Vacuum exhaust table

Technical Field

The utility model relates to the technical field of exhaust tables, in particular to a vacuum exhaust table.

Background

The vacuum exhaust table is a vacuum air extraction system, the vacuum pump is a core component of the vacuum air extraction system, and various ducts or object placing chambers are arranged on the vacuum exhaust table, so that a vacuum environment can be manufactured, and the vacuum air extraction system is widely used for exhausting, baking, decomposing, activating and sealing off in the industries of electronic tubes, traveling wave tubes, laser tubes, microwave tubes, lamp manufacturing and the like; when in use, the vacuum pump is started, and the object placing chamber is pumped into a vacuum state through the pipeline.

However, the volumes of the conduit and the storage chamber of the vacuum exhaust table in the prior art are fixed, the speed of the vacuum degree obtained by pumping the vacuum pump is limited, and a long time is required to obtain a sufficient vacuum degree.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a vacuum exhaust table, which can shorten the time for obtaining enough vacuum degree by changing the volume of a placing chamber and improve the working efficiency.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.

The vacuum exhaust table comprises a workbench, a vacuum pump, a gas tank and a plurality of object placing chambers, wherein the workbench is provided with a platform and a plurality of supporting legs; the sealing plate is slidably arranged in the air tank, the air tank is divided into a front chamber and a rear chamber by the sealing plate, the front chamber is communicated with the vacuum pump and the plurality of storage chambers through air pipes, a wear-resistant sealing ring is arranged between the sealing plate and the inner wall of the air tank, the fixed end of the air tank push rod is arranged on the rear side wall of the air tank, a piston pipe of the air tank push rod penetrates through the outer wall of the air tank to be connected with the sealing plate, the plurality of partition plates are slidably arranged in the plurality of storage chambers respectively, the plurality of storage chambers are divided into a front chamber and a rear chamber respectively, the plurality of front chambers are communicated with the front chamber of the air tank through the air pipes, sealing rings are arranged between the plurality of partition plates and the inner wall of the plurality of storage chambers, the fixed end of the plurality of storage chamber push rods is respectively arranged on the rear side outer wall of the plurality of storage chambers, piston rods of the plurality of storage chamber push rods respectively penetrate through the rear side walls of the plurality of storage chambers to be connected with the plurality of partition plates, and the sealing plate and the plurality of partition plates move to change the effective volumes of the air tank and the plurality of storage chambers; sealing rings and a plurality of sealing rings on the sealing plate improve the tightness, when in operation, the air tank push rod and the plurality of object placing chamber push rods stretch to push the sealing plate and the plurality of partition plates to move forwards, so that the volumes of the front chamber of the sealing plate and the front chambers of the plurality of object placing chambers are reduced, workpieces are placed into the front chambers of the plurality of object placing chambers, the object placing chambers are closed, the vacuum pump is started, the vacuum pump rapidly extracts air in the front chambers of the air tank and the front chambers of the plurality of object placing chambers through air pipes, after the front chambers of the air tank and the front chambers of the plurality of object placing chambers reach a certain vacuum degree, the push rod and the plurality of object placing chamber push rods shrink, so that the volumes of the front chambers of the air tank and the front chambers of the plurality of object placing chambers are further increased, the time for obtaining enough vacuum degree is shortened, and when the vacuum exhaust station is provided with a plurality of object placing chambers, more time can be saved, and working efficiency is improved.

Preferably, the automatic feeding device further comprises a liquid storage tank, a tank cover and a plurality of infusion tubes, wherein the liquid storage tank is arranged on a platform of the workbench through a bracket, the liquid storage tank is positioned above the plurality of storage chambers, a liquid storage cavity is arranged in the liquid storage tank, a filling opening is formed in the upper end face of the liquid storage tank and communicated with the liquid storage cavity, the tank cover is in threaded connection with the filling opening of the liquid storage tank, the input ends of the plurality of infusion tubes are communicated with the liquid storage cavity of the liquid storage tank, and the output ends of the plurality of infusion tubes are respectively communicated with rear chambers of the plurality of storage chambers; the liquid storage chamber of the liquid storage box is filled with high-viscosity liquid, the screwed box cover seals the filling opening, when the push rods of the plurality of storage chambers push the plurality of partition plates forwards, the high-viscosity liquid in the liquid storage box is respectively filled into the rear chambers of the plurality of storage chambers through the infusion tube, the rear chambers of the plurality of storage chambers are filled with the high-viscosity liquid, gaps between the plurality of partition plates and the inner walls of the plurality of storage chambers are filled, the sealing performance is further improved, and meanwhile, the sealing performance of the plurality of partition plates can be checked through the condition of forward-looking liquid leakage of the plurality of storage chambers.

Preferably, the vacuum gauge is arranged on the outer wall of the gas tank, and the probe of the vacuum gauge extends into the gas tank; the vacuum gauge detects the vacuum degree of the front cavity of the air tank, and when the vacuum gauge detects that the vacuum degree of the air tank reaches a set value, the air tank push rod and the plurality of storage chamber push rods shrink, so that the practicability of the equipment is improved.

Preferably, the device further comprises a plurality of pressure sensors, wherein the pressure sensors are respectively arranged on the object placing chambers, and probes of the pressure sensors respectively extend into front chambers of the object placing chambers; the vacuum degree of the front chamber of a plurality of storage chambers is detected by a plurality of pressure sensors, when the vacuum degree of the front chamber of the storage chamber is reduced, the push rod of the corresponding storage chamber is contracted, so that the vacuum degree is automatically adjusted within a certain range, and the practicability is high.

Preferably, the vacuum pump also comprises a filter and a filter element, wherein the filter is arranged between the vacuum pump and the air pipe between the vacuum pump and the air tank, the filter is internally provided with the filter element, and the filter element filters air entering the vacuum pump; through setting up filter and filter core, the filter core filters the air that gets into the vacuum pump, avoids impurity wearing and tearing vacuum pump in the air, improves the life of vacuum pump.

Preferably, the device further comprises a plurality of electromagnetic valves, an air extraction pipeline connected with the plurality of storage chambers is provided with a main pipe and a plurality of branch pipes, the output end of the main pipe is connected with the air tank, the input end of the main pipeline is connected with the plurality of branch pipes, the plurality of branch pipes are respectively connected with the plurality of storage chambers, and the electromagnetic valves are arranged on the main pipe and the plurality of branch pipes; through installing a plurality of solenoid valves, realize the independent control and the total control to a plurality of thing rooms of putting, improve the simple operation.

By adopting the technical scheme, the utility model has the following technical progress.

According to the utility model, the sealing ring and the sealing rings on the sealing plate improve the tightness, when the air tank push rod and the plurality of object placing chamber push rods extend to push the sealing plate and the plurality of partition plates to move forwards, so that the volumes of the front chamber of the sealing plate and the front chamber of the plurality of object placing chambers are reduced, a workpiece is placed into the front chamber of the plurality of object placing chambers, the object placing chambers are closed, the vacuum pump is started, the vacuum pump rapidly extracts air in the front chamber of the air tank and the front chamber of the plurality of object placing chambers through the air pipe, and when the front chamber of the air tank and the front chamber of the plurality of object placing chambers reach a certain vacuum degree, the air tank push rod and the plurality of object placing chamber push rods shrink, so that the volumes of the front chamber of the air tank and the front chamber of the plurality of object placing chambers are further increased, the time for obtaining sufficient vacuum degree is shortened, and when the vacuum exhaust station is provided with the plurality of object placing chambers, more time can be saved, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side elevational view of the present utility model;

FIG. 3 is a schematic illustration of an axially measured structure of the present utility model;

FIG. 4 is a schematic view of a partial cross-sectional structure of the vacuum pump, gas tank, and storage chamber, etc.;

wherein: 1. a work table; 2. a vacuum pump; 3. a gas tank; 4. a storage chamber; 5. a sealing plate; 6. a gas tank push rod; 7. a partition plate; 8. a seal ring; 9. a push rod of the storage room; 10. a liquid storage tank; 11. a case cover; 12. an infusion tube; 13. a vacuum gauge; 14. a pressure sensor; 15. a filter; 16. a filter element; 17. a solenoid valve.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

The vacuum exhaust table comprises a workbench 1, a vacuum pump 2, a gas tank 3, a plurality of storage chambers 4, a sealing plate 5, a gas tank push rod 6, a plurality of partition plates 7, a plurality of sealing rings 8, a plurality of storage chamber push rods 9, a liquid storage tank 10, a tank cover 11, a plurality of infusion pipes 12, a vacuum meter 13, a plurality of pressure sensors 14, a filter 15, a filter element 16 and a plurality of electromagnetic valves 17, as shown in fig. 1 to 4.

The workbench 1 is provided with a platform and a plurality of supporting legs, the vacuum pump 2, the air tank 3 and a plurality of object placing chambers 4 are arranged on the platform of the workbench 1, the object placing chambers 4 are communicated with the air tank 3 through an air extraction pipeline, and the air tank 3 is connected with the vacuum pump 2 through a pipeline. The vacuum gauge 13 is arranged on the outer wall of the gas tank 3, and a probe of the vacuum gauge 13 extends into the gas tank 3; a plurality of pressure sensors 14 are respectively installed on the storage compartments 4, and probes of the plurality of pressure sensors 14 respectively extend into front chambers of the plurality of storage compartments 4.

A filter 15 is arranged between the air pipe between the vacuum pump 2 and the air tank 3, a filter element 16 is arranged in the filter 15, and the filter element 16 filters the air entering the vacuum pump 2.

The air extraction pipeline that gas pitcher 3 and a plurality of thing rooms 4 of putting are connected is provided with and is responsible for and a plurality of branch pipes, and the output of being responsible for is connected with gas pitcher 3, and the input and the a plurality of branch pipe connection of main pipeline, a plurality of branch pipes are connected with a plurality of thing rooms 4 respectively, all install solenoid valve 17 on being responsible for and a plurality of branch pipes.

The sealing plate 5 is slidably mounted in the air tank 3, the air tank 3 is divided into a front cavity and a rear cavity by the sealing plate 5, the front cavity is communicated with the vacuum pump 2 and the plurality of storage chambers 4 through air pipes, a wear-resistant sealing ring is arranged between the sealing plate 5 and the inner wall of the air tank 3, the fixed end of the air tank push rod 6 is mounted on the rear side wall of the air tank 3, and a piston pipe of the air tank push rod 6 penetrates through the outer wall of the air tank 3 to be connected with the sealing plate 5.

The plurality of baffle plates 7 are respectively and slidably arranged in the plurality of storage chambers 4, the plurality of baffle plates 7 divide the plurality of storage chambers 4 into front and rear chambers respectively, the plurality of front chambers are communicated with the front chamber of the gas tank 3 through gas pipes, sealing rings 8 are respectively arranged between the plurality of baffle plates 7 and the inner walls of the plurality of storage chambers 4, the fixed ends of the plurality of storage chamber push rods 9 are respectively arranged on the rear outer walls of the plurality of storage chambers 4, the piston rods of the plurality of storage chamber push rods 9 respectively penetrate through the rear side walls of the plurality of storage chambers 4 and are connected with the plurality of baffle plates 7, and the sealing plates 5 and the plurality of baffle plates 7 move to change the effective volumes of the gas tank 3 and the plurality of storage chambers 4.

The liquid storage tank 10 is installed on the platform of the workbench 1 through a support, the liquid storage tank 10 is located above the plurality of storage chambers 4, a liquid storage chamber is arranged in the liquid storage tank 10, a filling opening is formed in the upper end face of the liquid storage tank 10 and communicated with the liquid storage chamber, the box cover 11 is connected to the filling opening of the liquid storage tank 10 in a threaded mode, the input ends of the plurality of infusion tubes 12 are communicated with the liquid storage chamber of the liquid storage tank 10, and the output ends of the plurality of infusion tubes 12 are respectively communicated with rear chambers of the plurality of storage chambers 4.

The liquid storage chamber of the liquid storage tank 10 is filled with high-viscosity liquid, the tank cover 11 is screwed to seal the filling opening, the sealing ring and the plurality of sealing rings 8 on the sealing plate 5 improve the sealing performance, the air tank push rod 6 and the plurality of object placing chamber push rods 9 are extended to push the sealing plate 5 and the plurality of partition plates 7 to move forwards in operation, so that the volumes of the front chamber of the sealing plate 5 and the front chamber of the plurality of object placing chambers 4 are reduced, the high-viscosity liquid in the liquid storage tank 10 is respectively filled into the rear chambers of the plurality of object placing chambers 4 through the infusion tube 12, the high-viscosity liquid fills the rear chambers of the plurality of object placing chambers 4, gaps between the plurality of partition plates 7 and the inner walls of the plurality of object placing chambers 4 are further filled, the sealing performance is further improved, meanwhile, the sealing performance of the plurality of partition plates 7 can be checked through the condition of front view liquid leakage of the plurality of object placing chambers 4, the object placing chambers 4 are closed, the vacuum pump 2 is started, the plurality of electromagnetic valves 17 are opened, the vacuum pump 2 rapidly pumps out the air in the front chamber of the air tank 3 and the front chambers of the plurality of storage chambers 4 through the air pipes, when the vacuum gauge 13 detects that a certain vacuum degree is reached in the front chamber of the air tank 3, the air tank push rod 6 and the plurality of storage chamber push rods 9 are contracted, so that the volumes of the front chamber of the air tank 3 and the front chambers of the plurality of storage chambers 4 are expanded, the high-viscosity liquid in the rear chambers of the plurality of storage chambers 4 is pressed back into the liquid storage tank 10 through the plurality of infusion pipes 12, the vacuum degree in the front chamber of the air tank 3 and the front chambers of the plurality of storage chambers 4 is further improved, the time for obtaining the enough vacuum degree is shortened, when the vacuum exhaust station is provided with a plurality of storage chamber stations, more time can be saved, the plurality of pressure sensors 14 detect the vacuum degree of the front chambers of the plurality of storage chambers 4, when the vacuum degree of the front chambers of the storage chambers 4 is reduced, the push rod 9 of the corresponding storage room is contracted, so that the vacuum degree is automatically adjusted within a certain range, and the vacuum degree of the storage rooms 4 is independently controlled by flexibly opening the electromagnetic valves 17.

When the utility model works, firstly, the air tank push rod 6 and the plurality of object placing chamber push rods 9 stretch to push the sealing plate 5 and the plurality of partition plates 7 to move forwards, high-viscosity liquid in the liquid storage tank 10 is respectively filled into the rear chambers of the plurality of object placing chambers 4 through the liquid delivery pipe 12, the rear chambers of the plurality of object placing chambers 4 are filled with the high-viscosity liquid, gaps between the plurality of partition plates 7 and the inner walls of the plurality of object placing chambers 4 are further filled, so that the volumes of the front chambers of the sealing plate 5 and the front chambers of the plurality of object placing chambers 4 are reduced, then workpieces are placed in the front chambers of the plurality of object placing chambers 4, the object placing chambers 4 are closed, then the vacuum pump 2 and the plurality of electromagnetic valves 17 are started, the air in the front chambers of the air tank 3 and the front chambers of the plurality of object placing chambers 4 is rapidly pumped out through the air pipes, and when the vacuum meter 13 detects that the front chambers of the air tank 3 and the front chambers of the plurality of object placing chambers 4 reach a certain vacuum degree, the air tank push rod 6 and the plurality of object placing chamber push rods 9 shrink, the front chambers of the air tank 3 and the front chambers 4 are further reduced, and the vacuum degree of the front chambers of the object placing chambers 4 can be automatically detected, and the vacuum degree of the front chambers of the object placing chambers 4 is further reduced, and the vacuum degree of the front chambers of the object placing chambers is automatically adjusted, and the front chambers of the front chambers 4 is further reduced, and the front chamber 4 is correspondingly reduced.

The main functions realized by the utility model are as follows: the time for obtaining enough vacuum degree can be shortened by changing the volume of the placing chamber, and the working efficiency is improved.

The installation mode, the connection mode or the setting mode of each component are common mechanical modes, and can be implemented as long as the beneficial effects can be achieved; the vacuum pump 2, the air tank push rod 6, the sealing ring 8, the storage chamber push rod 9, the vacuum gauge 13, the pressure sensor 14, the filter 15, the filter element 16 and the electromagnetic valve 17 of the vacuum exhaust platform are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The vacuum exhaust table comprises a workbench (1), a vacuum pump (2), a gas tank (3) and a plurality of object placing chambers (4), wherein the workbench (1) is provided with a platform and a plurality of supporting legs, the vacuum pump (2), the gas tank (3) and the plurality of object placing chambers (4) are arranged on the platform of the workbench (1), the plurality of object placing chambers (4) are communicated with the gas tank (3) through air exhaust pipelines, and the gas tank (3) is connected with the vacuum pump (2) through pipelines; the sealing device is characterized by further comprising a sealing plate (5), a gas tank push rod (6), a plurality of partition plates (7), a plurality of sealing rings (8) and a plurality of object placing chamber push rods (9), wherein the sealing plate (5) is slidably arranged in the gas tank (3), the gas tank (3) is divided into a front chamber and a rear chamber by the sealing plate (5), the front chamber is communicated with the vacuum pump (2) and the object placing chambers (4) through gas pipes, a wear-resistant sealing ring is arranged between the sealing plate (5) and the inner wall of the gas tank (3), the fixed end of the gas tank push rod (6) is arranged on the rear side wall of the gas tank (3), a piston pipe of the gas tank push rod (6) penetrates through the outer wall of the gas tank (3) to be connected with the sealing plate (5), the partition plates (7) are slidably arranged in the object placing chambers (4) respectively, the front chamber and the rear chamber are communicated with the front chamber of the gas tank (3), the partition plates (7) are arranged between the partition plates (7) and the inner walls of the object placing chambers (4) through gas pipes, the fixed end of the piston pipes (9) penetrate through the outer walls of the object placing chambers (4) respectively, the effective volume of the gas tank (3) and the plurality of storage chambers (4) is changed by moving the sealing plate (5) and the plurality of partition plates (7).

2. The vacuum exhaust table according to claim 1, further comprising a liquid storage tank (10), a tank cover (11) and a plurality of infusion tubes (12), wherein the liquid storage tank (10) is arranged on a platform of the workbench (1) through a bracket, the liquid storage tank (10) is arranged above the plurality of storage chambers (4), a liquid storage chamber is arranged in the liquid storage tank (10), a filling port is arranged on the upper end face of the liquid storage tank (10) and communicated with the liquid storage chamber, the tank cover (11) is in threaded connection with the filling port of the liquid storage tank (10), the input ends of the plurality of infusion tubes (12) are communicated with the liquid storage chambers of the liquid storage tank (10), and the output ends of the plurality of infusion tubes (12) are respectively communicated with rear chambers of the plurality of storage chambers (4).

3. A vacuum exhaust station according to claim 1, further comprising a vacuum gauge (13), the vacuum gauge (13) being mounted on an outer wall of the gas tank (3), a probe of the vacuum gauge (13) extending into the gas tank (3).

4. The vacuum exhaust station according to claim 1, further comprising a plurality of pressure sensors (14), the plurality of pressure sensors (14) being mounted on the storage compartments (4) respectively, probes of the plurality of pressure sensors (14) extending into front chambers of the plurality of storage compartments (4) respectively.

5. The vacuum exhaust station according to claim 1, further comprising a filter (15) and a filter element (16), wherein the filter (15) is arranged between the air pipe between the vacuum pump (2) and the air tank (3), the filter element (16) is arranged in the filter (15), and the filter element (16) filters air entering the vacuum pump (2).

6. The vacuum exhaust table according to claim 1, further comprising a plurality of electromagnetic valves (17), wherein the air extraction pipeline connecting the air tank (3) with the plurality of storage chambers (4) is provided with a main pipe and a plurality of branch pipes, the output end of the main pipe is connected with the air tank (3), the input end of the main pipe is connected with the plurality of branch pipes, the plurality of branch pipes are respectively connected with the plurality of storage chambers (4), and the electromagnetic valves (17) are arranged on the main pipe and the plurality of branch pipes.