CN217813812U - Suction straight-through device of vacuum pump - Google Patents

Abstract

The utility model relates to the technical field of chemical machinery, in particular to a vacuum pump air suction straight-through device which can filter the gas entering a vacuum pump in advance to remove small particle impurities in the gas, thereby avoiding the small particle impurities from blocking the vacuum pump and improving the reliability of the vacuum pump in the use process; including the bottom plate, the extension board, the rose box, the intake pipe, the filter screen, the blast pipe, the inlet pipe, ball valve and washing unit, the rose box passes through extension board fixed mounting in the vacuum furnace upper end, the inside of rose box is provided with the cavity, intake pipe fixed mounting is on the rose box, the left part of intake pipe is located the cavity of rose box, the left part of intake pipe is provided with the multiunit hole of exhausting, the multiunit hole of exhausting all is located the cavity of rose box, filter screen fixed mounting is in the cavity of rose box, the input of blast pipe and the upper portion intercommunication of rose box cavity.

Description

Suction straight-through device of vacuum pump

Technical Field

The utility model relates to a chemical machinery's technical field especially relates to vacuum pump straight-through device of breathing in.

Background

The vacuum furnace is characterized in that partial substances in the furnace cavity are discharged by a vacuum system in a specific space of the furnace cavity, so that the pressure in the furnace cavity is less than a standard atmospheric pressure, and the space in the furnace cavity is in a vacuum state, namely the vacuum furnace. The existing vacuum system is composed of a vacuum pump and an air suction pipe, when the air in the furnace cavity needs to be discharged to enable the interior of the furnace cavity to be in a vacuum state, firstly, the input end of the air suction pipe is directly communicated with the furnace cavity, then, the output end of the air suction pipe is connected with the input end of the vacuum pump, then, the vacuum pump is started to enable the air in the furnace cavity to be discharged through the air suction pipe and the vacuum pump, the pressure intensity in the furnace cavity is reduced, and the interior of the furnace cavity is enabled to be in the vacuum state; when the vacuum pump is used for exhausting gas in the furnace cavity, the fact that a part of small-particle slag remains in the furnace cavity of the vacuum furnace, the slag generates some floating small-particle impurities in the furnace cavity under the conditions of external vibration and disturbance of air flow in the furnace cavity, and the small-particle impurities are exhausted into the vacuum pump together with the gas in the furnace cavity through the air suction pipe is found, the solid small-particle impurities are easy to form blockage in the vacuum pump, so that the work of the vacuum pump is influenced, and therefore a device capable of filtering the gas entering the vacuum pump in advance is needed.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a can filter in advance the gas that gets into in the vacuum pump, get rid of the tiny particle impurity in the gas, avoid tiny particle impurity to block up the vacuum pump, improve the vacuum pump of the reliability of vacuum pump in the use and breathe in through device.

The utility model discloses a vacuum pump straight-through device of breathing in, comprising a base plate, a support plate, a filter box, an air inlet pipe, a filter screen, an exhaust pipe, a feeding pipe, a ball valve and a flushing device, the filter box is fixedly installed on the upper end of a vacuum furnace through the support plate, the interior of the filter box is provided with a cavity, the air inlet pipe is fixedly installed on the filter box, the left part of the air inlet pipe is positioned in the cavity of the filter box, the left part of the air inlet pipe is provided with a plurality of groups of exhaust holes, the plurality of groups of exhaust holes are all positioned in the cavity of the filter box, the filter screen is fixedly installed in the cavity of the filter box, the input end of the exhaust pipe is communicated with the upper part of the cavity of the filter box, the feeding pipe is obliquely installed on the filter box, the ball valve is installed on the feeding pipe, the flushing device is installed on the filter box, and the flushing device is used for flushing the filter screen; when the inner furnace chamber of the vacuum furnace is required to be in a vacuum state, firstly, communicating an input end of an air inlet pipe with the furnace chamber of the vacuum furnace, then, connecting an output end of an exhaust pipe with an input end of an external vacuum pump, then, turning on the vacuum pump, enabling air in the furnace chamber of the vacuum furnace to enter the air inlet pipe, then, discharging the air into a chamber of a filter box through a plurality of groups of exhaust holes in the left part of the air inlet pipe, then, ascending the air in the chamber of the filter box, filtering out small-particle impurities mixed with the air by a filter screen when the air passes through the filter screen, and then, discharging clean air after the air enters the vacuum pump through the exhaust pipe; because the gas that gets into in the vacuum pump can be at first through the filter screen filtration, so reduced the tiny particle impurity that gets into in the vacuum pump, avoided tiny particle impurity to block up the vacuum pump, improved the reliability of vacuum pump in the use.

Preferably, the flushing device comprises a water pump, a drain pipe, a connecting plate, a rotary joint, a supporting plate, a drain pipe and a rotating device, the water pump is fixedly installed on the filter box, the input end of the water pump is communicated with the lower part of the cavity of the filter box, the output end of the water pump is connected with the input end of the rotary joint through the drain pipe, a valve is arranged on the drain pipe, the drain pipe is fixedly installed on the filter box through the connecting plate, the rotary joint is fixedly installed at the upper end of the filter box through the supporting plate, the output end of the rotary joint is connected with the input end of the drain pipe, the drain pipe is rotatably installed on the filter box and the rotary joint, the drain pipe is fixedly installed at the lower part of the drain pipe, the input end of the drain pipe is connected with the output end of the drain pipe, a plurality of groups of nozzles are arranged on the drain pipe, the drain pipe is located in the cavity of the filter box, the rotating device is installed at the upper end of the filter box, and the rotating device is used for driving the rotation of the drain pipe; when impurities attached to the lower end of the filter screen need to be cleaned, the water pump is started, water at the lower part of a cavity of the filter box sequentially enters the liquid discharge pipe through the water pump, the water discharge pipe and the rotary joint, then the water enters the liquid discharge pipe through the liquid discharge pipe, the water in the liquid discharge pipe is sprayed on the filter screen through the plurality of groups of spray heads on the first cone pulley, the filter screen is washed, solid impurities attached to the lower end of the filter screen are washed down, meanwhile, the rotary device is started, the rotary device rotates the liquid discharge pipe, the liquid discharge pipe drives the liquid discharge pipe to rotate, the liquid discharge pipe uniformly sprays the water on the filter screen in the rotating process, and the filter screen is washed; the washing of the filter screen is facilitated, and the convenience is improved.

Preferably, the rotating device comprises a first cone pulley, a second cone pulley, a driving shaft and a first motor, the first cone pulley is fixedly sleeved on the upper part of the liquid discharge pipe and is meshed with the second cone pulley, the second cone pulley is fixedly installed at the left end of the driving shaft, the right end of the driving shaft is connected with the output end of the first motor, and the first motor is fixedly installed at the upper end of the filter box; the first motor is started, the second cone pulley drives the first cone pulley to rotate through the driving shaft, and the first cone pulley drives the liquid discharge pipe to rotate; the rotation of the liquid discharge pipe is facilitated, and the convenience is improved.

Preferably, the device also comprises a stirring device, a funnel and a drain pipe, wherein the funnel is arranged at the lower part of the filter box, the upper end of the funnel is communicated with the lower part of the cavity of the filter box, the input end of the drain pipe is connected with the output end of the funnel, a valve is arranged on the drain pipe, and the stirring device is arranged on the filter box; when impurities in water at the lower part of a filter box cavity need to be cleaned, firstly opening the ball valve, then introducing a precipitator into the lower part of the filter box cavity through the feeding pipe, then opening the stirring device, fully mixing the precipitator with the water at the lower part of the filter box cavity through the stirring device, precipitating the solid impurities into the funnel after the precipitator is combined with the solid impurities in the water, then opening the valve on the drain pipe, discharging the solid impurities and partial sewage at the lower part of the filter box cavity through the funnel and the drain pipe, and then closing the valve on the drain pipe to enable clean water in the filter box cavity to be left in the filter box cavity; the treatment of solid impurities in water is facilitated, and the convenience is improved.

Preferably, the stirring device comprises a second motor, a rotating shaft, a plurality of groups of stirring sheets and helical blades, the second motor is fixedly installed at the right end of the filtering box, the right end of the rotating shaft is connected with the output end of the second motor, the rotating shaft is rotatably installed on the filtering box, the plurality of groups of stirring sheets are fixedly installed at the right part of the rotating shaft, the helical blades are fixedly installed at the left part of the rotating shaft, and the helical blades and the plurality of groups of stirring sheets are located in a cavity of the filtering box; the second motor is started, the second motor drives the rotating shaft to rotate, the rotating shaft drives the multiple groups of stirring pieces and the spiral blades to rotate, the spiral blades and the multiple groups of stirring pieces promote mixing between water and precipitating agents at the lower part of the filter box cavity in the rotating process, and the precipitating effect is improved.

Preferably, a liquid level meter is arranged on the filter tank; through the arrangement, the liquid level in the filter box cavity is conveniently monitored, and the convenience is improved.

Preferably, the filter box is provided with an access hole, the access hole is communicated with the cavity of the filter box, and a sealing cover is arranged outside the access hole; through the arrangement, the filter box chamber equipment is convenient to overhaul and maintain, and convenience is improved.

Compared with the prior art, the beneficial effects of the utility model are that: when the inner furnace chamber of the vacuum furnace needs to be in a vacuum state, firstly, the input end of an air inlet pipe is communicated with the furnace chamber of the vacuum furnace, then, the output end of an exhaust pipe is connected with the input end of an external vacuum pump, then, the vacuum pump is started, so that the air in the furnace chamber of the vacuum furnace enters the air inlet pipe, then, the air is discharged into the chamber of a filter box through a plurality of groups of exhaust holes at the left part of the air inlet pipe, then, the air rises in the chamber of the filter box, when the air passes through a filter screen, small particle impurities mixed with the air are filtered out by the filter screen, and then, clean air enters the vacuum pump through the exhaust pipe and is discharged; because the gas that gets into in the vacuum pump can be at first through the filter screen filtration, so reduced the tiny particle impurity that gets into in the vacuum pump, avoided tiny particle impurity to block up the vacuum pump, improved the reliability of vacuum pump in the use.

Drawings

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

FIG. 2 is a schematic structural view of a liquid outlet pipe, a liquid discharge pipe and a first cone pulley;

FIG. 3 is a schematic structural view of a helical blade, a stirring blade, a rotary shaft and the like;

FIG. 4 is a schematic view of the construction of the drain pipe and the connection plate;

in the drawings, the reference numbers: 1. a vacuum furnace; 2. a base plate; 3. a support plate; 4. a filter box; 5. an air inlet pipe; 6. a filter screen; 7. an exhaust pipe; 8. a vacuum pump; 9. a feed pipe; 10. a ball valve; 11. a water pump; 12. a drain pipe; 13. a connecting plate; 14. a rotary joint; 15. a support plate; 16. a liquid discharge pipe; 17. a liquid outlet pipe; 18. a first cone pulley; 19. a second cone; 20. a drive shaft; 21. a first motor; 22. a funnel; 23. a blow-off pipe; 24. a second motor; 25. a rotating shaft; 26. a stirring sheet; 27. a helical blade.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As shown in fig. 1 to 4, a filter box 4 is fixedly arranged at the upper end of a vacuum furnace 1 through a support plate 3, a cavity is arranged inside the filter box 4, an air inlet pipe 5 is fixedly arranged on the filter box 4, the left part of the air inlet pipe 5 is positioned in the cavity of the filter box 4, a plurality of groups of exhaust holes are arranged at the left part of the air inlet pipe 5 and are all positioned in the cavity of the filter box 4, a filter screen 6 is fixedly arranged in the cavity of the filter box 4, the input end of an air outlet pipe 7 is communicated with the upper part of the cavity of the filter box 4, an inlet pipe 9 is obliquely arranged on the filter box 4, a ball valve 10 is arranged on the inlet pipe 9, a water pump 11 is fixedly arranged on the filter box 4, the input end of the water pump 11 is communicated with the lower part of the cavity of the filter box 4, the output end of the water pump 11 is connected with the input end of a rotary joint 14 through a drain pipe 12, a valve is arranged on the drain pipe 12, the drain pipe 12 is fixedly arranged on the filter box 4 through a connecting plate 13, the rotary joint 14 is fixedly arranged on the upper end of the filter box 4 through a support plate 15, the lower part of the filter box, the lower part of the rotary joint 16 is connected with the output end of a drain pipe 16, the first cone 21, a drain pipe 17, the drain pipe 17 is fixedly arranged on the first cone 21 of a drain pipe 21, the drain box, the drain pipe 21, the drain box, the drain pipe 16, the drain box, the drain pipe 16 is connected with a drain pipe 21, the first cone 21, the drain pipe 21, the drain box, the drain pipe 21 is fixedly arranged on the drain box, the first cone 21, the drain pipe 21, the drain box, the drain pipe 21 is connected with the drain box, the first cone 21, the drain box, the drain pipe 21, the drain pipe 23 is provided with a valve, the second motor 24 is fixedly arranged at the right end of the filter box 4, the right end of the rotating shaft 25 is connected with the output end of the second motor 24, the rotating shaft 25 is rotatably arranged on the filter box 4, the multiple groups of stirring sheets 26 are all fixedly arranged at the right part of the rotating shaft 25, the helical blade 27 is fixedly arranged at the left part of the rotating shaft 25, and the helical blade 27 and the multiple groups of stirring sheets 26 are all positioned in the cavity of the filter box 4; when the inner furnace chamber of the vacuum furnace 1 needs to be in a vacuum state, firstly, the input end of an air inlet pipe 5 is communicated with the furnace chamber of the vacuum furnace 1, then, the output end of an exhaust pipe 7 is connected with the input end of an external vacuum pump 8, then, the vacuum pump 8 is opened, so that the air in the furnace chamber of the vacuum furnace 1 enters the air inlet pipe 5, then, the air is discharged into the chamber of a filter box 4 through a plurality of groups of exhaust holes in the left part of the air inlet pipe 5, then, the air rises in the chamber of the filter box 4, when the air passes through a filter screen 6, small particle impurities mixed with the air are filtered out by the filter screen 6, and then, clean air enters the vacuum pump 8 through the exhaust pipe 7 and then is discharged; the gas entering the vacuum pump 8 can be filtered in advance, small particle impurities in the gas are removed, the vacuum pump 8 is prevented from being blocked by the small particle impurities, and the reliability of the vacuum pump 8 in the using process is improved; when impurities attached to the lower end of the filter screen 6 need to be cleaned, the water pump 11 is started, water at the lower part of a cavity of the filter box 4 sequentially enters the drain pipe 16 through the water pump 11, the drain pipe 12 and the rotary joint 14, then the water enters the drain pipe 17 through the drain pipe 16, the water in the drain pipe 17 is sprayed on the filter screen 6 through a plurality of groups of spray heads on the first cone pulley 18, the filter screen 6 is washed, solid impurities attached to the lower end of the filter screen 6 are washed down, meanwhile, the first motor 21 is started, the first cone pulley 18 is driven by the second cone pulley 19 to rotate through the driving shaft 20 through the first motor 21, the first cone pulley 18 drives the drain pipe 16 to rotate, the drain pipe 16 drives the drain pipe 17 to rotate, the drain pipe 17 uniformly sprays the water on the filter screen 6 in the rotating process, the filter screen 6 is washed, and the impurities attached to the lower end of the filter screen 6 are washed to the lower part of the cavity of the filter box 4; when impurities in water at the lower part of the cavity of the filter box 4 need to be cleaned, firstly, the ball valve 10 is opened, then, a precipitator is introduced into the lower part of the cavity of the filter box 4 through the feeding pipe 9, then, the second motor 24 is opened, the second motor 24 drives the rotating shaft 25 to rotate, the rotating shaft 25 drives the multiple groups of stirring sheets 26 and the spiral blades 27 to rotate, the spiral blades 27 and the multiple groups of stirring sheets 26 promote mixing of the water at the lower part of the cavity of the filter box 4 and the precipitator in the rotating process, the solid impurities are precipitated in the funnel 22 after the precipitator is combined with the solid impurities in the water, then, the valve on the drain pipe 23 is opened, the valve on the drain pipe 23 is closed after the solid impurities and partial sewage at the lower part of the cavity of the filter box 4 are discharged through the funnel 22 and the drain pipe 23, and clean water in the cavity of the filter box 4 is left in the cavity of the filter box 4.

The installation mode, the connection mode or the arrangement mode of the vacuum pump air suction straight-through device of the utility model are common mechanical modes, and the vacuum pump air suction straight-through device can be implemented as long as the beneficial effects can be achieved; the utility model discloses a vacuum pump is breathed in filter screen 6, ball valve 10, water pump 11, rotary joint 14, funnel 22, blow off pipe 23, stirring piece 26 and helical blade 27 of direct device are purchase on the market, and this technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff creative work in this field.

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 invention belongs. In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention is understood according to the specific circumstances.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. Vacuum pump straight-through device of breathing in, a serial communication port, which is characterized by comprising a bottom plate (2), a support plate (3), a filter box (4), an air inlet pipe (5), a filter screen (6), an exhaust pipe (7), an inlet pipe (9), a ball valve (10) and a flushing device, wherein the filter box (4) is fixedly arranged at the upper end of a vacuum furnace (1) through the support plate (3), a cavity is arranged inside the filter box (4), the air inlet pipe (5) is fixedly arranged on the filter box (4), the left part of the air inlet pipe (5) is arranged in the cavity of the filter box (4), a plurality of groups of exhaust holes are arranged at the left part of the air inlet pipe (5), the plurality of groups of exhaust holes are all arranged in the cavity of the filter box (4), the filter screen (6) is fixedly arranged in the cavity of the filter box (4), the input end of the exhaust pipe (7) is communicated with the upper part of the cavity of the filter box (4), the inlet pipe (9) is obliquely arranged on the filter box (4), the ball valve (10) is arranged on the inlet pipe (9), the flushing device is arranged on the filter box (4), and the flushing device is used for flushing the filter screen (6).

2. The vacuum pump suction straight-through device as claimed in claim 1, characterized in that the flushing device comprises a water pump (11), a drain pipe (12), a connecting plate (13), a rotary joint (14), a support plate (15), a drain pipe (16), a drain pipe (17) and a rotating device, the water pump (11) is fixedly mounted on the filter box (4), the input end of the water pump (11) is communicated with the lower part of the cavity of the filter box (4), the output end of the water pump (11) is connected with the input end of the rotary joint (14) through the drain pipe (12), a valve is arranged on the drain pipe (12), the drain pipe (12) is fixedly mounted on the filter box (4) through the connecting plate (13), the rotary joint (14) is fixedly mounted on the upper end of the filter box (4) through the support plate (15), the output end of the rotary joint (14) is connected with the input end of the drain pipe (16), the drain pipe (16) is rotatably mounted on the filter box (4) and the rotary joint (14), the drain pipe (17) is fixedly mounted on the lower part of the drain pipe (16), the input end of the drain pipe (17) is connected with the output end of the drain pipe (16), the drain pipe (17) is mounted on the upper end of the filter box (4), the upper end of the drain pipe (17), the plurality of the filter box (4) is arranged in the filter box, the rotating device, the plurality of the rotating device is arranged in the filter box (17), the drain pipe (17), the filter box (4), the rotating device is arranged in the filter box (17), the rotating device is used for driving the rotation of the drain pipe (16).

3. The vacuum pump suction straight-through device as claimed in claim 2, wherein the rotating device comprises a first cone pulley (18), a second cone pulley (19), a driving shaft (20) and a first motor (21), the first cone pulley (18) is fixedly sleeved on the upper part of the liquid discharge pipe (16), the first cone pulley (18) is meshed with the second cone pulley (19), the second cone pulley (19) is fixedly arranged at the left end of the driving shaft (20), the right end of the driving shaft (20) is connected with the output end of the first motor (21), and the first motor (21) is fixedly arranged at the upper end of the filter box (4).

4. The vacuum pump suction straight-through device as claimed in claim 1, further comprising a stirring device, a funnel (22) and a drain pipe (23), wherein the funnel (22) is installed at the lower part of the filter box (4), the upper end of the funnel (22) is communicated with the lower part of the cavity of the filter box (4), the input end of the drain pipe (23) is connected with the output end of the funnel (22), a valve is arranged on the drain pipe (23), and the stirring device is installed on the filter box (4).

5. The vacuum pump suction straight-through device as claimed in claim 4, wherein the stirring device comprises a second motor (24), a rotating shaft (25), a plurality of groups of stirring blades (26) and a helical blade (27), the second motor (24) is fixedly installed at the right end of the filtering box (4), the right end of the rotating shaft (25) is connected with the output end of the second motor (24), the rotating shaft (25) is rotatably installed on the filtering box (4), the groups of stirring blades (26) are all fixedly installed at the right part of the rotating shaft (25), the helical blade (27) is fixedly installed at the left part of the rotating shaft (25), and the helical blade (27) and the groups of stirring blades (26) are all located in the cavity of the filtering box (4).

6. Vacuum pump suction feed-through according to claim 1, characterized in that the filter box (4) is provided with a level gauge.

7. The suction through device of the vacuum pump as claimed in claim 1, wherein the filter box (4) is provided with an access opening, the access opening is communicated with the chamber of the filter box (4), and a sealing cover is arranged outside the access opening.

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