Vacuum negative pressure filter

Abstract

The utility model discloses a vacuum negative pressure filter which comprises a filter case, a first positioning rotating shaft and a second positioning rotating shaft are arranged on the inner side surface of the filter case, filter paper tapes are mounted on the outer surfaces of the first positioning rotating shaft and the second positioning rotating shaft, a motor is mounted on the outer surface of the filter case, and the filter paper tapes are connected with the motor. A driving shaft of the motor is fixed to the end face of the first positioning rotating shaft, a cleaning cavity is formed in the outer side surface of the filtering machine box, a receiving shell is fixedly installed on the lower surface of the cleaning cavity, a containing groove is formed in the inner side surface of the receiving shell, a filtering frame is installed in the containing groove in a clamped mode, and a filtering net is fixed to the inner side surface of the filtering frame. By adopting an overall closed structure, the vacuum negative pressure performance during filtering is improved, the filtering paper tape can be rotated and turned over, one side of the filtering paper tape cleans scraps on the surface through spraying, the scraps can be flushed into the cleaning cavity and received through the receiving shell, the filtering paper tape is convenient to treat, and the surface is convenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of vacuum negative pressure filter, more specifically, relate to a vacuum negative pressure filter. BACKGROUND

[0002] The vacuum filter is the equipment that realizes solid liquid separation with vacuum negative pressure as the driving force, in structure, the filter section is arranged along the horizontal length direction, can continuously complete filtering, washing, sucking dry, filter cloth regeneration and so on, Chinese patent discloses vacuum negative pressure filter (publication number: CN217163463U), it includes: rack, circulating filter belt, discharging roller shaft, set up on the rack, is used for putting out filter paper, material collecting roller shaft, set up on the rack, is used for winding used filter paper, driving mechanism, for driving circulating filter belt and / or filter paper movement on the rack, the utility model has multiple working modes, but this kind of vacuum negative pressure filter is not thorough enough due to design problem, cannot replace filter part, lead to low work efficiency, for this, we propose a kind of vacuum negative pressure filter to solve the above problems;

[0003] In the prior art, the utility model discloses a kind of vacuum negative pressure filter, including main tank, the main tank top is connected with upper cover plate, the upper cover plate is connected with top motor mounting plate, the main tank one side is equipped with right cover plate, the right cover plate is connected with rear support, the rear support is connected with rear door, the utility model can be adjusted and customized according to different filtering needs, can select appropriate filter plate material, aperture size and filtering condition according to the characteristics and requirements of substance, to reach the best filtering effect high-efficiency filtration and remove solid particles and impurities, solve the product quality decline, environmental pollution, equipment failure and damage, avoid the negative influence of solid particles and impurities on product quality, protect industrial equipment from the damage of solid particles and impurities, improve the reliability and life of equipment;

[0004] In the above patent, after cleaning the filtered impurities on the surface of filter plate, it is inconvenient to clean, inconvenient to lead out, and the overall structure has poor sealing performance, and the vacuum suction is not convenient. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the utility model aims at providing a kind of vacuum negative pressure filter, by adopting whole closed structure, increase vacuum negative pressure performance when filtering, its filter paper belt can rotate and turn over, one side can wash the debris on the surface by spraying, it can flush the inside of washing cavity, by receiving shell receiving, it is convenient to handle filter paper belt, surface cleaning is convenient.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] The utility model provides a vacuum negative pressure filter, including filter case, the inner side surface of filter case is provided with first positioning rotation axis and second positioning rotation axis, the outer surface of first positioning rotation axis and second positioning rotation axis is installed with filter paper tape, the outer surface of filter case is installed with motor, the drive shaft of motor is fixed in first positioning rotation axis end face, the outer side surface of filter case is provided with cleaning cavity, the lower surface of cleaning cavity is fixedly installed with receiving shell, the inner side surface of receiving shell is provided with and places the groove, and the filter frame is installed in the card of its placing groove, the inner side surface of filter frame is fixed with filter screen, the upper end inner side surface of filter case is fixed with inlet pipe, the outer surface of inlet pipe is provided with spray nozzle, and the spray nozzle is evenly distributed and is provided on the outer surface of inlet pipe, the upper surface of filter case is fixed with cover plate, the surface of cover plate is provided with liquid inlet pipe, through adopting the whole closed structure, increase vacuum negative pressure performance when filtering, and its filter paper tape can rotate and turn over, and the debris on one side of its filter paper tape is cleaned by spraying, and the cleaning cavity can be washed by flushing, and the treated filter paper tape is received through the receiving shell, and the surface is cleaned conveniently.

[0008] Further, the spray nozzles are obliquely arranged on the outer surface of the water inlet pipe, and the spray nozzles are aligned with the filter paper tape, so that the filter paper tape can be rotated and turned over, the debris filtered on the surface of the filter paper tape can be washed by spraying, the debris can be washed into the cleaning cavity, and the debris can be received through the receiving shell, thereby facilitating cleaning.

[0009] Further, the receiving shell is provided with a protrusion on the outer side, and the lower end of the cleaning cavity is provided with a protrusion, and the protrusions of the receiving shell and the cleaning cavity are fixed by screws.

[0010] Further, the outer surface of the lower end of the receiving shell is provided with a water outlet pipe, and the outer surface of the water outlet pipe is provided with a water valve.

[0011] Further, the outer surface of the filter case is provided with an air suction pump, and the air suction pump is arranged on the upper side of the outer surface of the filter case.

[0012] Further, the outer surface of the filter case is provided with a water suction pump, and the water suction pump is arranged on the lower end of the outer surface of the filter case.

[0013] Further, the filter screen is a fine filter screen made of stainless steel wire mesh.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] (1) By adopting the whole closed structure, the vacuum negative pressure performance during filtering is increased, the filter paper tape can be rotated and turned over, the debris on one side of the filter paper tape can be cleaned by spraying, the cleaning cavity can be washed by flushing, the treated filter paper tape is received through the receiving shell, and the surface is cleaned conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a first schematic view of the overall structure of the utility model;

[0017] Figure 2 is a second schematic view of the overall structure of the utility model;

[0018] Figure 3 is a cross-sectional view of the overall structure of the utility model;

[0019] Figure 4 is a schematic view of the filter frame of the utility model;

[0020] Figure 5 is a schematic view of the water inlet pipe and the spray nozzle structure of the utility model.

[0021] Mark explanation in the drawing:

[0022] 1 filter case, 2 first positioning rotating shaft, 30 second positioning rotating shaft, 20 motor, 3 filter paper belt, 4 cleaning cavity, 5 receiving shell, 6 filter frame, 7 filter screen, 8 water inlet pipe, 9 spray nozzle, 10 cover plate, 11 liquid inlet pipe, 50 water outlet pipe, 12 air pump, 13 water pump. Specific implementation

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] Please refer to Figures 1-5The utility model provides a vacuum negative pressure filter, including filter box 1, the filter box 1 adopts convex shell structure, filter paper tape 3 is attached in the upper end inboard surface of filter box 1, can be attached seal, vacuum negative pressure performance is high, the inboard surface of filter box 1 is provided with first positioning rotary shaft 2 and second positioning rotary shaft 30, the outer surface of first positioning rotary shaft 2 and second positioning rotary shaft 30 is covered with rubber layer, installs filter paper tape 3 after increasing friction, it is convenient to install tightly, the outer surface of first positioning rotary shaft 2 and second positioning rotary shaft 30 is installed with filter paper tape 3, the outer surface of filter box 1 is installed with motor 20, the drive shaft of motor 20 is fixed in the end surface of first positioning rotary shaft 2 (when using, through motor 20 drive first positioning rotary shaft 2 rotates, can drive filter paper tape 3 rotates, convenient to use), the inboard surface of filter box 1 is provided with cleaning cavity 4, the lower surface of cleaning cavity 4 is fixedly installed with receiving shell 5, the inboard surface of receiving shell 5 is provided with and places the groove, and the filter frame 6 is clamped and installed in the groove, the inboard surface of filter frame 6 is fixed with filter screen 7, the upper end inboard surface of filter box 1 is fixed with water inlet pipe 8, the outer surface of water inlet pipe 8 is provided with spray nozzle 9, and spray nozzle 9 is evenly distributed and set up on the outer surface of water inlet pipe 8, the upper surface of filter box 1 is fixed with cover plate 10, the surface of cover plate 10 is provided with liquid inlet pipe 11, by adopting the whole closed structure, increase the vacuum negative pressure performance when filtering, the filter paper tape can rotate and turn over, one side of its through spray washes the debris on the surface, and it can flush the cleaning cavity, is received through receiving shell, and it is convenient to handle filter paper tape, and the surface is cleaned conveniently;

[0026] Spray nozzle 9 is obliquely arranged on the outer surface of water inlet pipe 8, and the spray nozzle 9 is aligned with the filter paper tape 3, so that the filter paper tape 3 can be rotated and turned over, the debris filtered on the surface can be sprayed and flushed, the debris can be flushed into the cleaning cavity 4, and the receiving shell 5 can be used to receive the debris, so that the debris can be conveniently cleaned.

[0027] The receiving shell 5 is provided with a protrusion on the outer side, and the lower end of the cleaning cavity 4 is provided with a protrusion, the protrusions of the receiving shell 5 and the cleaning cavity 4 are fixed by screws, so that the receiving shell 5 and the cleaning cavity 4 are conveniently installed.

[0028] The lower end of the receiving shell 5 is provided with a water outlet pipe 50, and a water valve is arranged on the outer surface of the water outlet pipe 50, so that the flushed water can be discharged by opening the water valve, and the water can be conveniently drained.

[0029] The filter box 1 is provided with an air suction pump 12 on the outer surface, and the air suction pump 12 is arranged on the upper side of the outer surface of the filter box 1, so that the air suction pump 12 can generate negative pressure.

[0030] The filter box 1 is provided with a water suction pump 13 on the outer surface, and the water suction pump 13 is arranged on the lower end of the outer surface of the filter box 1, so that the water suction pump 13 can suck the filtered cutting fluid and discharge the cutting fluid.

[0031] The filter screen 7 is made of fine filter screen and stainless steel wire mesh, so that the filter screen 7 will not rust.

[0032] In use, the upper surface of the filter case 1 is fixed with a cover plate 10, the surface of the cover plate 10 is provided with a liquid inlet pipe 11, liquid is introduced through the liquid inlet pipe 11, the outer surface of the first positioning rotating shaft 2 and the second positioning rotating shaft 30 is provided with a filter paper belt 3, the filter paper belt 3 is filtered, when filtering, the filter paper belt 3 is directly wetted with the filter case 1, is adhesively sealed, the bottom space is sealed, the overall sealing performance is high, when the air pump 12 is used to pump air, negative pressure can be generated, the impurities after filtering can be adsorbed on the surface of the filter paper belt 3, and when in use, the filter paper belt 3 can be rotated to change the filtering position, the filter paper belt 3 after filtering is partially rotated to the cleaning cavity 4, at this time, the upper end of the inner surface of the filter case 1 is fixed with a water inlet pipe 8, the outer surface of the water inlet pipe 8 is provided with a spray nozzle 9, the spray nozzles 9 are uniformly distributed on the outer surface of the water inlet pipe 8, cleaning water can be introduced through the water inlet pipe 8, the filter paper belt 3 is sprayed through the spray nozzles 9, and the surface debris can be washed and cleaned, the water flow after spraying and washing is placed in the receiving shell 5, the filter frame 6 is clamped and installed in the placing groove in the inner surface of the receiving shell 5, the inner surface of the filter frame 6 is fixed with a filter screen 7, after being filtered through the filter screen 7, liquid can be introduced into the lower end of the receiving shell 5, the filter screen 7 can filter debris, the lower end of the outer surface of the receiving shell 5 is provided with a water outlet pipe 50, the outer surface of the water outlet pipe 50 is provided with a water valve, the water valve can be opened to discharge the water after washing; the water can be conveniently discharged; the filter paper belt 3 is convenient to clean.

[0033] The above merely describes a preferred embodiment of the present application; however, the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A vacuum negative pressure filter comprising a filter housing (1), characterized in that: The inner surface of the filter case (1) is provided with a first positioning rotating shaft (2) and a second positioning rotating shaft (30), the outer surface of the first positioning rotating shaft (2) and the second positioning rotating shaft (30) is mounted with a filter paper belt (3), the outer surface of the filter case (1) is mounted with a motor (20), the driving shaft of the motor (20) is fixed at the end surface of the first positioning rotating shaft (2), the outer surface of the filter case (1) is provided with a cleaning cavity (4), the lower surface of the cleaning cavity (4) is fixedly mounted with a receiving shell (5), the inner surface of the receiving shell (5) is provided with a placing groove, the filter frame (6) is clamped and mounted in the placing groove, the inner surface of the filter frame (6) is fixedly provided with a filter screen (7), the inner surface of the upper end of the filter case (1) is fixedly provided with a water inlet pipe (8), the outer surface of the water inlet pipe (8) is provided with a spray nozzle (9), the spray nozzles (9) are uniformly distributed on the outer surface of the water inlet pipe (8), the upper surface of the filter case (1) is fixedly provided with a cover plate (10), and the surface of the cover plate (10) is provided with a liquid inlet pipe (11).

2. The vacuum negative pressure filter machine according to claim 1, characterized in that: The spray nozzles (9) are obliquely arranged on the outer surface of the water inlet pipe (8), and the spray nozzles (9) are aligned with the filter paper belt (3).

3. The vacuum negative pressure filter machine according to claim 1, characterized in that: The receiving shell (5) is provided with a protrusion on the outer side, and the lower end of the cleaning cavity (4) is provided with a protrusion, and the protrusions of the receiving shell (5) and the cleaning cavity (4) are fixed by screws.

4. The vacuum negative pressure filter machine according to claim 1, characterized in that: The lower end of the receiving shell (5) is provided with a water outlet pipe (50) on the outer surface, and the outer surface of the water outlet pipe (50) is provided with a water valve.

5. The vacuum negative pressure filter machine according to claim 1, wherein: The outer surface of the filter case (1) is mounted with an air suction pump (12), and the air suction pump (12) is arranged on the upper side of the outer surface of the filter case (1).

6. The vacuum negative pressure filter machine according to claim 1, wherein: The outer surface of the filter case (1) is fixedly provided with a water suction pump (13), and the water suction pump (13) is arranged on the lower end of the outer surface of the filter case (1).

7. The vacuum negative pressure filter machine according to claim 1, wherein: The filter screen (7) adopts a fine filter screen made of stainless steel wire mesh.

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