Negative pressure type filter

Abstract

The utility model relates to the technical field of negative pressure type filters, and discloses a negative pressure type filter which comprises a shell and a filter conveying belt arranged in an inner cavity of the shell, and further comprises a water conveying mechanism arranged at the bottom of the shell, a spray head is arranged in the inner cavity of the filter conveying belt, and a connecting rod is fixed on one side of the spray head; through the cooperation of the water conveying mechanism and the spray heads, the surface of the filtering conveying belt can be cleaned by a filtered water source, and the condition that impurities remain on the surface of the filtering conveying belt and cause blockage is effectively prevented, so that the filtering effect of the filtering conveying belt is improved; and meanwhile, under the cooperation of a reciprocating mechanism, a belt transmission assembly, a third spur gear, a gear ring and a rotating disc, a spray head can do reciprocating motion, so that the spray head cleans the surface of the filtering conveying belt more comprehensively, and under the cooperation of a receiving pool and a conveying pipe, the cleaned mixture can be filtered again.

Description

Technical Field

[0001] The utility model relates to the technical field of negative pressure filters, in particular to a negative pressure filter. Background Art

[0002] The negative pressure filter is a high-end filtering equipment independently developed and produced in combination with the current situation in China. It is mainly used for cooling liquid filtration in metal grinding or other processing. It is also suitable for cleaning liquid in the rough parts cleaning system, industrial water, organic solution and other solutions to remove impurities. It is a key equipment for saving resources and preventing pollution.

[0003] However, when the existing negative pressure filter is put into use, it has a conveyor belt to filter the water source to be filtered, and can transfer impurities to the equipment outside the filter. When the conveyor belt transports the impurities to the edge of the highest point, the impurities fall into the collection box placed by the staff due to their own gravity, but a small amount of impurities still remain in the mesh holes on the surface of the conveyor belt, which can easily lead to a significant reduction in the subsequent filtering effect of the conveyor belt. Utility Model Content

[0004] The purpose of the utility model is to provide a negative pressure filter to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a negative pressure filter, comprising a housing and a filter conveyor installed in the inner cavity of the housing, and also comprising:

[0006] A water delivery mechanism is arranged at the bottom of the housing, a nozzle is installed in the inner cavity of the filter conveyor belt, a connecting rod is fixed on one side of the nozzle, and a belt transmission assembly is fixed on one side of the internal rotating shaft of the filter conveyor belt;

[0007] A first rotating shaft fixed to the surface of a belt pulley on one side of the belt transmission assembly, a reciprocating mechanism is provided on one side of the first rotating shaft, a third spur gear is installed at the bottom of the first rotating shaft, and a gear ring is meshed on one side of the third spur gear;

[0008] A turntable is fixed to one side of the gear ring, the surface of the turntable is rotatably connected to a fixed plate, one side of the fixed plate is rotatably connected to a second rotating shaft, the inner cavity of the shell is fixed with a receiving pool, and the bottom of one side of the receiving pool is connected to a transport pipe.

[0009] Preferably, the water delivery mechanism includes a water pump connected to the bottom of the shell, one side of the water pump is connected to a connecting pipe, one side of the connecting pipe is connected to a hose, and one side of the hose is connected to one side of the nozzle.

[0010] Preferably, the reciprocating mechanism includes a first spur gear fixed to the surface of the first rotating shaft, a second spur gear is meshed on one side of the first spur gear, a first half gear is fixedly connected to the surface of the first rotating shaft, a second half gear is meshed on one side of the first half gear, the second spur gear and the second half gear are both fixedly connected to the surface of the second rotating shaft, and a third spur gear is meshed on one side of the first half gear and the second half gear.

[0011] Preferably, the rotation centers of the turntable and the gear ring are on the same straight line.

[0012] Preferably, the inner cavity of the receiving pool is of inclined design, and the inclination angle of the inner cavity of the receiving pool is 45°.

[0013] Preferably, the bottom of the housing is connected to a control valve.

[0014] Preferably, the teeth of the first half gear and the second half gear are both half-circle designs.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] The utility model can use the cooperation of the water delivery mechanism and the nozzle to clean the surface of the filter conveyor belt with the filtered water source, effectively preventing the situation where impurities remain on the surface of the filter conveyor belt and cause blockage, thereby improving the filtering effect of the filter conveyor belt; at the same time, with the cooperation of the reciprocating mechanism, the belt transmission assembly, the third spur gear, the gear ring and the turntable, the nozzle can be made to reciprocate, so that the nozzle can clean the surface of the filter conveyor belt more comprehensively; and with the cooperation of the receiving pool and the transport pipe, the cleaned mixture can be filtered again. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the housing in the utility model;

[0019] Figure 3 It is a structural schematic diagram of the water delivery mechanism in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the reciprocating mechanism in the utility model;

[0021] Figure 5 It is a structural schematic diagram of the receiving pool and the transport pipe in the utility model.

[0022] In the figure: 1. shell; 2. filter conveyor belt; 3. water delivery mechanism; 31. water pump; 32. connecting pipe; 33. hose; 4. nozzle; 5. connecting rod; 6. belt drive assembly; 7. first rotating shaft; 8. reciprocating mechanism; 81. first spur gear; 82. second spur gear; 83. first half gear; 84. second half gear; 9. second rotating shaft; 10. third spur gear; 11. gear ring; 12. turntable; 13. fixing plate; 14. receiving tank; 15. transport pipe; 16. control valve. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5As shown, a negative pressure filter comprises a shell 1, which can support the filter, a filter conveyor belt 2 is installed in the inner cavity of the shell 1, and the filter conveyor belt 2 can filter and transport the filtered impurities to the outside of the shell 1, a water delivery mechanism 3 is arranged at the bottom of the shell 1, and a nozzle 4 is installed in the inner cavity of the filter conveyor belt 2, and with the cooperation of the water delivery mechanism 3 and the nozzle 4, the filtered water source can be transported to the inside of the nozzle 4, and then the filter conveyor belt 2 is cleaned from the inside to the outside through the nozzle 4, which effectively prevents the impurities transported by the filter conveyor belt 2 from remaining on the surface, and prevents the filter conveyor belt 2 from being blocked and reducing the filtering effect. The filter has a plurality of inner surfaces, and the filter has a plurality of inner surfaces, and the filter has a plurality of inner surfaces. The filter has a plurality of inner surfaces, and the filter has a plurality of inner surfaces. The filter has a plurality of inner surfaces, and the filter has a plurality of inner surfaces. The filter has a plurality of inner surfaces, and the filter has a plurality of inner surfaces. The filter has a plurality of inner surfaces, and the filter has a plurality of inner surfaces. The surface of the turntable 12 is rotatably connected with a fixed plate 13, one side of the fixed plate 13 is rotatably connected with a second rotating shaft 9, one side of the fixed plate 13 is fixedly connected to one side of the housing 1, and with the cooperation of the filter conveyor belt 2 and the belt drive assembly 6, the first rotating shaft 7 can be rotated, and at the same time, with the cooperation of the reciprocating mechanism 8 and the second rotating shaft 9, the third spur gear 10 can drive the turntable 12 to reciprocate inside the fixed plate 13 through the gear ring 11, so that the turntable 12 drives the nozzle 4 to reciprocate in the inner cavity of the filter conveyor belt 2 through the connecting rod 5, and the angle of the nozzle 4 can be adjusted to make the nozzle 4 clean the filter conveyor belt 2 more effectively. The outer shell 1 has a receiving pool 14 fixed to its inner cavity. The inner cavity of the receiving pool 14 is of inclined design, and the inclination angle of the inner cavity of the receiving pool 14 is 45°. The bottom of one side of the receiving pool 14 is connected with a transport pipe 15. The other end of the transport pipe 15 is connected with the other side of the filter conveyor 2. With the cooperation of the receiving pool 14 and the transport pipe 15, the impurities and water cleaned by the nozzle 4 can enter one side of the filter conveyor 2 again under the action of gravity for re-filtration. The bottom of the outer shell 1 is connected with a control valve 16. When the filtration is completed, the control valve 16 can be opened to discharge the filtered water source from the inside of the outer shell 1.

[0025] The water delivery mechanism 3 includes a water pump 31, a water inlet of the water pump 31 is interconnected with the bottom of the shell 1, one side of the water pump 31 is connected with a connecting pipe 32, one side of the connecting pipe 32 is connected with a hose 33, one side of the hose 33 is interconnected with one side of the nozzle 4, with the cooperation of the water pump 31 and the connecting pipe 32, the water source filtered by the filter conveyor belt 2 can enter the interior of the hose 33, and then the hose 33 uses the nozzle 4 to clean the surface of the filter conveyor belt 2 with the water source. Since the nozzle 4 cleans from the inside to the outside, impurities fall into the inside of the receiving pool 14, which effectively prevents impurities from remaining on the surface of the filter conveyor belt 2 and causing blockage, thereby improving the filtering effect of the filter.

[0026] The reciprocating mechanism 8 includes a first spur gear 81, the inner cavity of the first spur gear 81 is fixedly connected to the surface of the first rotating shaft 7, a second spur gear 82 is meshed on one side of the first spur gear 81, a first half gear 83 is fixedly connected to the surface of the first rotating shaft 7, a second half gear 84 is meshed on one side of the first half gear 83, the teeth of the first half gear 83 and the second half gear 84 are both semi-circular in design, the second spur gear 82 and the second half gear 84 are both fixedly connected to the surface of the second rotating shaft 9, a third spur gear 10 is meshed on one side of the first half gear 83 and the second half gear 84 and are used in conjunction with each other, and under the action of the filtering conveyor belt 2 and the belt drive assembly 6, the first rotating shaft 7 can drive the first spur gear 81 and the first half gear 83 rotates, and at the same time, with the cooperation of the first spur gear 81 and the second spur gear 82, the second half gear 84 can be rotated. When the first half gear 83 drives the third spur gear 10 to rotate to a non-meshing position, the second half gear 84 meshes with the third spur gear 10, so that the third spur gear 10 can rotate in the opposite direction, so that the third spur gear 10 drives the turntable 12 to reciprocate inside the fixed plate 13 through the gear ring 11, so that the turntable 12 drives the nozzle 4 to reciprocate in the inner cavity of the filter conveyor belt 2 through the connecting rod 5, so that the nozzle 4 can clean the impurities on the surface of the filter conveyor belt 2 more comprehensively, thereby improving the filtering effect of the filter conveyor belt 2, thereby improving the use effect of the filter.

[0027] Working principle: First, the staff turns on the filter. Under the action of negative pressure, the water source to be filtered can enter the top of the lower part of the filter conveyor belt 2. Then, the filter conveyor belt 2 starts to work and can transport impurities to the outside of the outer shell 1. Under the action of gravity, most of the impurities can fall to the outside of the outer shell 1, and a small amount of impurities that are not easy to discharge remain on the surface of the filter conveyor belt 2. When the surface of the filter conveyor belt 2 is to be cleaned, the staff turns on the water pump 31 to transport the filtered water source inside the outer shell 1 to the inside of the hose 33 through the connecting pipe 32, and then cleans the surface of the filter conveyor belt 2 through the nozzle 4. At the same time, when the filter conveyor belt 2 is working, the belt drive assembly 6 drives the first rotating shaft 7 to rotate, so that the first rotating shaft 7 drives the first spur gear 81 and the first half gear 83 to rotate, and the first spur gear 81 drives the second rotating shaft 9 to rotate through the second spur gear 82, and the second rotating shaft 9 drives the second half gear 84 to rotate. When the first half gear 83 drives the third spur gear 10 to rotate to a non-engaging position, the second half gear 84 meshes with the third spur gear 10, causing the third spur gear 10 to rotate in the opposite direction, so that the third spur gear 10 drives the turntable 12 to rotate in the inner cavity of the fixed plate 13 through the gear ring 11, and the turntable 12 drives the nozzle 4 to rotate through the connecting rod 5, so that the cleaning effect of the nozzle 4 is better, and impurities that are not easy to discharge fall into the interior of the receiving pool 14. Under the action of the inclination of the receiving pool 14, the mixture can pass through the transport pipe 15 to enter the side of the filtering conveyor belt 2 for filtration again, so that the mixture is filtered again. Since the impurities are easy to fall off after being washed down from the filtering conveyor belt 2, after filtering again, as the filtering conveyor belt 2 runs to the edge of the other side at a high place, it will fall to the inside of the collection box placed outside the device under the action of gravity. When all filtering is completed, the staff will open the control valve 16 to discharge the water source into the interior of the shell 1.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A negative pressure filter, comprising a housing (1) and a filter conveyor belt (2) installed in the inner cavity of the housing (1), characterized in that: Also includes: A water delivery mechanism (3) is arranged at the bottom of the outer shell (1); a nozzle (4) is installed in the inner cavity of the filter conveyor belt (2); a connecting rod (5) is fixed to one side of the nozzle (4); and a belt transmission assembly (6) is fixed to one side of the internal rotating shaft of the filter conveyor belt (2); A first rotating shaft (7) is fixed to the surface of a belt pulley on one side of the belt transmission assembly (6), a reciprocating mechanism (8) is provided on one side of the first rotating shaft (7), a third spur gear (10) is installed at the bottom of the first rotating shaft (7), and a gear ring (11) is meshed on one side of the third spur gear (10); A rotating disk (12) is fixed to one side of the gear ring (11); a fixed plate (13) is rotatably connected to the surface of the rotating disk (12); a second rotating shaft (9) is rotatably connected to one side of the fixed plate (13); a receiving pool (14) is fixed to the inner cavity of the housing (1); and a transport pipe (15) is connected to the bottom of one side of the receiving pool (14).

2. A negative pressure filter according to claim 1, characterized in that: The water delivery mechanism (3) comprises a water pump (31) connected to the bottom of the housing (1); one side of the water pump (31) is connected to a connecting pipe (32); one side of the connecting pipe (32) is connected to a hose (33); one side of the hose (33) is connected to one side of the nozzle (4).

3. A negative pressure filter according to claim 1, characterized in that: The reciprocating mechanism (8) comprises a first spur gear (81) fixed to the surface of the first rotating shaft (7), a second spur gear (82) meshing on one side of the first spur gear (81), a first half gear (83) fixedly connected to the surface of the first rotating shaft (7), a second half gear (84) meshing on one side of the first half gear (83), the second spur gear (82) and the second half gear (84) both fixedly connected to the surface of the second rotating shaft (9), a third spur gear (10) meshing on one side of the first half gear (83) and the second half gear (84).

4. A negative pressure filter according to claim 1, characterized in that: The rotation centers of the rotating disk (12) and the gear ring (11) are located on the same straight line.

5. A negative pressure filter according to claim 1, characterized in that: The inner cavity of the receiving pool (14) is of inclined design, and the inclination angle of the inner cavity of the receiving pool (14) is 45°.

6. A negative pressure filter according to claim 1, characterized in that: The bottom of the housing (1) is connected to a control valve (16).

7. A negative pressure filter according to claim 3, characterized in that: The teeth of the first half gear (83) and the second half gear (84) are both designed as half a circle.

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