CN214309246U

CN214309246U - High vacuum oiling workstation

Info

Publication number: CN214309246U
Application number: CN202120817367.8U
Authority: CN
Inventors: 李哲; 张光起; 王凯; 杨知山
Original assignee: Shandong Friend Control System Co ltd
Current assignee: Shandong Friend Control System Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-09-28
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a high vacuum oil injection workbench, which comprises a movable bottom plate, a vacuum machine component is installed at the top of the movable bottom plate, the vacuum machine component comprises a two-stage rotary vane vacuum pump, a molecular vacuum pump and a vacuum valve, the two-stage rotary vane vacuum pump and the molecular vacuum pump are both fixedly installed at the top of the movable bottom plate, and the vacuum valve is fixedly connected with a main pipeline; after reaching a certain vacuum degree; opening a vacuum oil injection valve to start oil injection to the sensor, closing the vacuum valve after a certain amount of oil injection, and closing the vacuum pump; can fill oil for flange pressure sensor inside automatically, can be fast automatic fill oil to the sensor, raise the efficiency, reduce cost.

Description

High vacuum oiling workstation

Technical Field

The utility model relates to a vacuum oiling trade technical field specifically is a high vacuum oiling workstation.

Background

A pressure sensor is a device or apparatus that senses a pressure signal and converts the pressure signal into a usable output electrical signal according to a certain rule. The pressure sensor is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to a plurality of industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, military industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and the like.

When the pressure sensor product is used, oil needs to be filled into the shell of the pressure sensor in a vacuum state. When the existing vacuum oil injection equipment is used, firstly, the interior of a pressure sensor shell is vacuumized through a vacuum system, after the vacuum degree meets the process requirement, the next procedure is carried out, and in the production process of the pressure sensor, silicone oil needs to be injected for buffering and shock prevention so as to avoid damage caused by impact; the existing vacuum oil injection equipment is mostly operated manually, the labor intensity of workers is high, time and labor are wasted, the labor cost is too high, the oil filling efficiency is too low, and the oil injection work is more complicated. Therefore, a high vacuum oil injection workbench needs to be provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high vacuum oil injection workbench, which firstly uses a two-stage rotary vane vacuum pump to pre-pump a sensor, and then uses a molecular pump to vacuumize the sensor; after reaching a certain vacuum degree; open the vacuum oil injection valve and begin toward the sensor oiling, can fill oil for flange pressure sensor is inside automatically, can be fast automatic fill oil to the sensor, raise the efficiency, reduce cost to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high vacuum oiling workstation, includes the removal bottom plate, remove the bottom plate top and install the vacuum machine subassembly, the vacuum machine subassembly includes doublestage rotary vane vacuum pump, molecular vacuum pump and vacuum valve, doublestage rotary vane vacuum pump and the equal fixed mounting of molecular vacuum pump are in the top of removing the bottom plate, vacuum valve fixed connection is in the trunk line, the top of doublestage rotary vane vacuum pump is fixed the intercommunication respectively and has first intake pipe and blast pipe, first intake pipe one end and trunk line bottom one side are through the fixed intercommunication of air inlet valve, resistance vacuum gauge is installed to doublestage rotary vane vacuum pump one side, the fixed intercommunication in molecular vacuum pump one side has the second intake pipe, second intake pipe one end is through the fixed intercommunication of inlet valve with first intake pipe one side, ionization vacuum gauge is installed to molecular vacuum pump one side.

Preferably, the bottom one side fixed mounting who removes the bottom plate has the backup pad, backup pad one side is installed and is reserved the block terminal, the bottom four corners of removing the bottom plate all installs the horse truckle of fortune.

Preferably, the main pipeline is arranged above the two-stage rotary vane vacuum pump and the molecular vacuum pump, a vacuum oil injection valve is fixedly connected to the main pipeline, and one end of the main pipeline is communicated with the top of the molecular vacuum pump.

Preferably, the frame is installed to molecular vacuum pump bottom, frame fixed mounting is in the top one side of moving the bottom plate, move bottom plate and frame and set up to space flight aluminum plate and space flight aluminum frame respectively.

Preferably, one side of the top of the supporting plate is fixedly provided with a support, the top of the support is fixedly provided with two groups of electric hoists, the bottom of the support is provided with two groups of oil injection tools, and the electric hoists are connected with the two groups of oil injection tools respectively.

Preferably, the side walls of the pipe sections of the first air inlet pipe and the second air inlet pipe are respectively provided with a vacuum measuring port, and the resistance vacuum gauge and the ionization vacuum gauge are respectively and fixedly connected to the two groups of vacuum measuring ports.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with a two-stage rotary vane vacuum pump, a molecular vacuum pump and a vacuum valve to form a vacuum machine component for vacuumizing the sensor, wherein the two-stage rotary vane vacuum pump is used for pre-vacuumizing the sensor, and then the molecular pump is used for vacuumizing the sensor; after reaching a certain vacuum degree; opening a vacuum oil injection valve to start oil injection to the sensor, closing the vacuum valve after a certain amount of oil injection, and closing the vacuum pump; the flange pressure sensor can be automatically filled with oil, so that the sensor can be quickly and automatically filled with oil, the efficiency is improved, and the cost is reduced;

2. the electric hoist and the oil injection tool are arranged and used in a combined mode, the oil injection tool can clamp and fix the sensor, the oil injection tool can be lifted up through the electric hoist, and the sensor is taken out; the manual labor intensity is low, time and labor are saved, the labor cost is low, the oil charging efficiency is high, and the oil filling work is simple and quick.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the bracket of the present invention viewed from above;

fig. 3 is a schematic view of the three-dimensional structure of the bracket of the present invention.

In the figure: 1. moving the base plate; 2. a vacuum machine assembly; 3. a two-stage rotary vane vacuum pump; 301. a first intake pipe; 302. an exhaust pipe; 303. an intake valve; 304. a resistance vacuum gauge; 4. a molecular vacuum pump; 401. a frame; 402. a second intake pipe; 403. an ionization gauge; 404. an inlet valve; 5. a vacuum valve; 6. reserving a distribution box; 7. a vacuum oil injection valve; 8. a main pipeline; 9. a support; 10. an electric hoist; 11. oiling tooling; 12. the horse is a caster.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a high vacuum oil injection workbench comprises a movable bottom plate 1, a vacuum machine component 2 is arranged at the top of the movable bottom plate 1, the vacuum machine component 2 comprises a two-stage rotary vane vacuum pump 3, a molecular vacuum pump 4 and a vacuum valve 5,

the two-stage rotary vane vacuum pump 3 and the molecular vacuum pump 4 are both fixedly installed at the top of the movable bottom plate 1, the vacuum valve 5 is fixedly connected to the main pipeline 8, the top of the two-stage rotary vane vacuum pump 3 is respectively and fixedly communicated with a first air inlet pipe 301 and an air outlet pipe 302, one end of the first air inlet pipe 301 is fixedly communicated with one side of the bottom of the main pipeline 8 through an air inlet valve 303, a resistance vacuum gauge 304 is installed at one side of the two-stage rotary vane vacuum pump 3, a second air inlet pipe 402 is fixedly communicated with one side of the molecular vacuum pump 4, one end of the second air inlet pipe 402 is fixedly communicated with one side of the first air inlet pipe 301 through an inlet valve 404, an ionization vacuum gauge 403 is installed at one side of the molecular vacuum pump 4, vacuum measuring ports are respectively formed in the side walls of pipe sections of the first air inlet pipe 301 and the second air inlet pipe 402, and the resistance vacuum gauge 304 and the ionization vacuum gauge 403 are respectively and fixedly connected to the two sets of vacuum measuring ports; the resistance vacuum gauge 304 and the ionization vacuum gauge 403 have good stability and high accuracy, and are convenient to operate and control; pre-pumping the flange pressure sensor by using a double-stage rotary vane vacuum pump 3, measuring the vacuum degree by using a resistance vacuum gauge 304, opening a molecular vacuum pump 4 and an inlet valve 404 of a second air inlet pipe 402 after reaching a certain vacuum degree, and further pumping the flange pressure sensor by using the molecular vacuum pump 4; measuring the vacuum degree by an ionization vacuum gauge 403, and timing for a period of time after reaching a certain vacuum degree; opening a vacuum oil injection valve 7 to start oil injection to the flange pressure sensor, closing a vacuum valve 5 after a certain amount of oil is injected, and closing the two-stage rotary vane vacuum pump 3 and the molecular vacuum pump 4; lifting the oil injection tool 11 through the electric hoist 10, and taking out the flange pressure sensor; the flange pressure sensor can be quickly and automatically filled with oil, so that the efficiency is improved and the cost is reduced;

a support plate is fixedly installed on one side of the bottom of the movable bottom plate 1, a reserved distribution box 6 is installed on one side of the support plate, and four corners of the bottom of the movable bottom plate 1 are respectively provided with a Fu horse trundle 12, so that the high-vacuum oil injection workbench can be conveniently moved in space, the production efficiency can be improved through the movable high-vacuum oil injection workbench, and great convenience is brought to production;

the main pipeline 8 is arranged above the two-stage rotary vane vacuum pump 3 and the molecular vacuum pump 4, a vacuum oil injection valve 7 is fixedly connected to the main pipeline 8, and one end of the main pipeline 8 is communicated with the top of the molecular vacuum pump 4.

The bottom of the molecular vacuum pump 4 is provided with a rack 401, the rack 401 is fixedly arranged on one side of the top of the movable bottom plate 1, the movable bottom plate 1 and the rack 401 are respectively arranged as an aerospace aluminum plate and an aerospace aluminum frame, and are made of aerospace aluminum materials, so that the service life is long;

a support 9 is fixedly installed on one side of the top of the supporting plate, two groups of electric hoists 10 are fixedly installed on the top of the support 9, two groups of oil injection tools 11 are installed at the bottom of the support 9, the two groups of electric hoists 10 are respectively connected with the two groups of oil injection tools 11, the sensors can be clamped and fixed by the oil injection tools 11, and the oil injection tools 11 can be lifted up by the electric hoists 10 to take out the sensors; the manual labor intensity is low, time and labor are saved, the labor cost is low, the oil charging efficiency is high, and the oil filling work is simple and quick.

When the device is used, one end of a main pipeline 8 is connected with a vacuumizing port of a flange pressure sensor, the flange pressure sensor is vacuumized, an air inlet valve 303 on a first air inlet pipe 301 is opened, the flange pressure sensor is pre-pumped by a double-stage rotary vane vacuum pump 3, the vacuum degree is measured by a resistance vacuum gauge 304, after a certain vacuum degree is reached, an inlet valve 404 of a molecular vacuum pump 4 and an inlet valve 404 of a second air inlet pipe 402 are opened, and the flange pressure sensor is further vacuumized by the molecular vacuum pump 4; measuring the vacuum degree by an ionization vacuum gauge 403, and timing for a period of time after reaching a certain vacuum degree; opening a vacuum oil injection valve 7 to start oil injection to the flange pressure sensor, closing a vacuum valve 5 after a certain amount of oil is injected, and closing the two-stage rotary vane vacuum pump 3 and the molecular vacuum pump 4; lifting the oil injection tool 11 through the electric hoist 10, and taking out the flange pressure sensor; the flange pressure sensor can be filled with oil quickly and automatically, the efficiency is improved, the cost is reduced, the vacuum degree in the flange pressure sensor is kept to meet the oil filling requirement, and therefore continuous oil filling of the flange pressure sensor is guaranteed.

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 high vacuum oiling workstation, includes removal bottom plate (1), its characterized in that: the vacuum machine component (2) is installed at the top of the movable bottom plate (1), the vacuum machine component (2) comprises a double-stage rotary vane vacuum pump (3), a molecular vacuum pump (4) and a vacuum valve (5), the double-stage rotary vane vacuum pump (3) and the molecular vacuum pump (4) are fixedly installed at the top of the movable bottom plate (1), the vacuum valve (5) is fixedly connected to a main pipeline (8), the top of the double-stage rotary vane vacuum pump (3) is fixedly communicated with a first air inlet pipe (301) and an exhaust pipe (302) respectively, one end of the first air inlet pipe (301) is fixedly communicated with one side of the bottom of the main pipeline (8) through an air inlet valve (303), a resistance vacuum gauge (304) is installed at one side of the double-stage rotary vane vacuum pump (3), a second air inlet pipe (402) is fixedly communicated with one side of the molecular vacuum pump (4), one end of the second air inlet pipe (402) is fixedly communicated with one side of the first air inlet pipe (301) through an inlet valve (404), and an ionization vacuum gauge (403) is arranged on one side of the molecular vacuum pump (4).

2. The high-vacuum oiling workbench according to claim 1, wherein: the movable bottom plate is characterized in that a supporting plate is fixedly mounted on one side of the bottom of the movable bottom plate (1), a reserved distribution box (6) is mounted on one side of the supporting plate, and Fuma casters (12) are mounted at four corners of the bottom of the movable bottom plate (1).

3. The high-vacuum oiling workbench according to claim 1, wherein: trunk line (8) set up in the top of doublestage rotary vane vacuum pump (3) and molecular vacuum pump (4), fixedly connected with vacuum oiling valve (7) on trunk line (8), trunk line (8) one end communicates each other with molecular vacuum pump (4) top.

4. The high-vacuum oiling workbench according to claim 1, wherein: frame (401) are installed to molecular vacuum pump (4) bottom, frame (401) fixed mounting is in the top one side of moving bottom plate (1), move bottom plate (1) and frame (401) and set up to space flight aluminum plate and space flight aluminum frame respectively.

5. The high-vacuum oiling workbench according to claim 2, wherein: the automatic oil injection device is characterized in that a support (9) is fixedly mounted on one side of the top of the support plate, two groups of electric hoists (10) are fixedly mounted on the top of the support (9), two groups of oil injection tools (11) are mounted at the bottom of the support (9), and the two groups of electric hoists (10) are respectively connected with the two groups of oil injection tools (11).

6. The high-vacuum oiling workbench according to claim 1, wherein: the side walls of the pipe sections of the first air inlet pipe (301) and the second air inlet pipe (402) are respectively provided with a vacuum measuring port, and the resistance vacuum gauge (304) and the ionization vacuum gauge (403) are respectively and fixedly connected to the two groups of vacuum measuring ports.