CN219186366U

CN219186366U - Filter equipment of special screw air compressor machine of laser cutting

Info

Publication number: CN219186366U
Application number: CN202320373742.3U
Authority: CN
Inventors: 林娇燕; 林思才
Original assignee: Jiangxi Youlong Air Machinery Manufacturing Co ltd
Current assignee: Jiangxi Youlong Air Machinery Manufacturing Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-06-16
Anticipated expiration: 2033-03-03

Abstract

The utility model relates to the technical field of screw air compressors, and discloses a filtering device of a special screw air compressor for laser cutting, which comprises a cylinder, wherein the upper end of the cylinder is in threaded connection with a filtering cover, the upper surface of the filtering cover is provided with an ash removal component, and the inner cavity of the cylinder is provided with an inner pipe and an outer pipe; through the cooperation between dust removal subassembly, the inner tube, the outer tube, the air duct, the barrel, locating part and the adjustable filter, through the inner tube, first filter chamber and the second filter chamber that form between outer tube and the barrel, increase air at the dust removal filter core, deoiling filter core and dewatering filter core dwell time, thereby improve air filtration's quality, be convenient for filter most dust and water oil in the air, thereby be convenient for the screw air compressor machine to spray comparatively pure air, be convenient for cut, use simultaneously after a period of time through dust removal subassembly with filter cover outer wall accumulational dust scrape, thereby avoid the dust to block up the coarse filtration hole, improve air filtration efficiency.

Description

Filter equipment of special screw air compressor machine of laser cutting

Technical Field

The utility model relates to the technical field of screw air compressors, in particular to a filtering device of a special screw air compressor for laser cutting.

Background

Laser cutting is a novel cutting technique, and adopts light beam cutting. When the laser cutting machine is used, auxiliary gas is needed, because the air cost is lowest, the gas compressed by the screw air compressor is used as the auxiliary gas for laser cutting, compressed air used in the laser cutting industry is required to be subjected to full treatment for ash removal, water removal and oil removal, and the fully treated clean compressed gas can ensure the stable operation of the laser cutting machine;

in the prior art, publication No.: the Chinese utility model content of CN210206186U discloses a filtering device of a special screw air compressor for laser cutting, which comprises a cylinder body with an open opening at the top, a water filtering column core, an oil filtering column core and a filtering head, wherein the water filtering column core and the oil filtering column core are placed in an inner cavity of the cylinder body from top to bottom, through holes are formed in the middle parts of the water filtering column core and the oil filtering column core, the through holes are communicated with an air outlet at the bottom of the cylinder body, a filtering head cover is screwed on the open opening of the cylinder body, an air inlet is formed in the middle of the side wall of the filtering head, and a coarse filter screen is arranged on the air inlet. The filtering device integrates the dust removal, oil removal and water removal into one filtering device, has the advantage of small volume, and is convenient for the pipeline arrangement of the screw air compressor.

According to the technical scheme, the filtering effect of water and oil filtering is poor on air through the water filtering column core and the oil filtering column core, meanwhile, water and oil can be discharged from the air outlet through the first through hole and the second through hole of the water filtering column core and the oil filtering column core, so that laser cutting is unstable, dust attached to the surface of a coarse filter screen is inconvenient to clean, air entering efficiency is reduced, and therefore the filtering device of the special screw air compressor for laser cutting needs to be provided.

Disclosure of Invention

The utility model aims to provide a filtering device of a special screw air compressor for laser cutting, which improves the filtering efficiency of water and oil in air, is convenient for removing dust on the outer surface of a coarse filter screen and improves the efficiency of air filtering, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the filtering device of the special screw air compressor for laser cutting comprises a cylinder body, wherein the upper end of the cylinder body is in threaded connection with a filtering cover, the upper surface of the filtering cover is provided with an ash removal component, an inner pipe and an outer pipe are arranged in an inner cavity of the cylinder body, the inner pipe is arranged in the inner cavity of the outer pipe, a second filtering cavity is arranged between the inner pipe and the outer pipe, a first filtering cavity is arranged between the outer pipe and the cylinder body, and the lower surface of the cylinder body is communicated with an air outlet pipe;

the ash handling subassembly includes the hydraulic stem sets up at the upper surface of straining the lid, and strains the lateral wall of lid and offered multiunit coarse filtration hole, and multiunit coarse filtration hole is circular array setting, the telescopic link one end welding of hydraulic stem has the roof, and the lower surface welding of roof has multiunit connecting rod, multiunit the lower extreme of connecting rod has all welded the lantern ring, and the lantern ring cover is established at straining the lid outer wall, the internal diameter of lantern ring is the same with the external diameter of straining the lid.

Preferably, the upper end threaded connection of outer tube inner wall has sealed lid, and the multiunit air vent has been seted up to the lower extreme of outer tube outer wall, and multiunit air vent is circular array setting.

Preferably, the oil removal filter core is installed to first filter chamber bottom, and the top of oil removal filter core is provided with the dust removal filter core, oil removal filter core and dust removal filter core are all overlapped and are established in the outside of outer tube.

Preferably, the outer wall cover of inner tube is equipped with the dewatering filter core, and the height of inner tube is less than the height of outer tube, first filter cavity is linked together through multiunit air guide hole with the second filter cavity.

Preferably, the upper end of the inner wall of the cylinder body is provided with a plurality of groups of limiting grooves, one side of the lower end of each group of limiting grooves is provided with a clamping groove, a plurality of groups of clamping grooves are respectively clamped with a positioning piece, and a plurality of groups of positioning rods of the positioning pieces are respectively in sliding connection with the plurality of groups of limiting grooves.

Preferably, the upper surface of setting element has seted up the locating hole, the top of setting element is provided with adjustable filter, and adjustable filter is sliding connection with multiunit spacing groove.

Preferably, the adjustable filter piece comprises a pull rod and a fine pore filter screen, a round hole for the pull rod to be inserted is formed in the lower surface of the fine pore filter screen, a positioning block is integrally formed in the lower end of the pull rod, and limiting blocks which are slidably connected with a plurality of groups of limiting grooves are arranged around the fine pore filter screen.

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

1. according to the utility model, the dust removal assembly, the inner pipe, the outer pipe, the air guide pipe, the cylinder body, the positioning piece and the adjustable filter piece are matched, and the residence time of air in the dust removal filter element, the oil removal filter element and the water removal filter element is increased through the first filter cavity and the second filter cavity formed among the inner pipe, the outer pipe and the cylinder body, so that the air filtration quality is improved, most dust and water and oil in the air are conveniently filtered, the screw air compressor is conveniently used for spraying purer air, the cutting is conveniently carried out, and meanwhile, dust accumulated on the outer wall of the filter cover is scraped off through the dust removal assembly after a period of use, so that the dust is prevented from blocking a rough filter hole, and the air filtration efficiency is improved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a filter cover according to the present utility model;

FIG. 4 is a schematic view of a cylinder structure according to the present utility model;

FIG. 5 is a schematic view of a positioning member according to the present utility model;

FIG. 6 is a schematic illustration of the structure of an adjustable filter according to the present utility model.

In the figure: 1. a cylinder; 2. a filter cover; 21. rough filtering holes; 3. an ash removal assembly; 31. a hydraulic rod; 32. a top plate; 33. a connecting rod; 34. a collar; 4. an air outlet pipe; 5. an adjustable filter; 51. a fine pore filter screen; 52. a limiting block; 53. a pull rod; 54. a positioning block; 6. a positioning piece; 61. positioning holes; 7. an inner tube; 8. an outer tube; 81. an air guide hole; 9. a dust removal filter element; 10. a deoiling filter element; 11. a water removal filter element; 12. a limit groove; 121. a clamping groove; 13. a first filter chamber; 14. and a second filter chamber.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a special screw air compressor machine of laser cutting's filter equipment, includes barrel 1, and the upper end threaded connection of barrel 1 has filter cover 2, and filter cover 2's upper surface installs ash removal subassembly 3, and inner tube 7 and outer tube 8 are installed to barrel 1's inner chamber, and inner tube 7 sets up in outer tube 8 inner chamber, is second filter chamber 14 between inner tube 7 and the outer tube 8, is first filter chamber 13 between outer tube 8 and the barrel 1, and barrel 1's lower surface intercommunication has outlet duct 4;

the ash handling subassembly 3 includes hydraulic stem 31, hydraulic stem 31 sets up at the upper surface of straining lid 2, and strain the lateral wall of lid 2 and offered multiunit coarse filtration hole 21, and multiunit coarse filtration hole 21 is circular array setting, and the telescopic link one end welding of hydraulic stem 31 has roof 32, and the lower surface welding of roof 32 has multiunit connecting rod 33, and the lower extreme of multiunit connecting rod 33 has all welded lantern ring 34, and the lantern ring 34 cover is established at straining lid 2 outer wall, and the internal diameter of lantern ring 34 is the same with the external diameter of straining lid 2.

During the use, the multiunit coarse filtration hole 21 that external air led through filtering lid 2 gets into barrel 1, coarse filtration hole 21 preliminary filtration big granule dust, the small granule dust is filtered through the pore filter screen 51 of adjustable filter piece 5, adsorb the microparticle dust by dust removal filter core 9 behind the pore filter screen 51, oil in the air is filtered through deoiling filter core 10, get into second filter chamber 14 through multiunit air guide hole 81, water molecule in the filtered air of dewatering filter core 11, thereby spray out by the air duct behind inner tube 7, the filtration efficiency to water oil and dust in the air has been improved, after using a period, the telescopic link of start-up hydraulic stem 31 is flexible, thereby drive roof 32 connecting rod 33 and lantern ring 34 synchronous lift, scrape the dust of filter lid 2 lateral wall, avoid the dust to pile up more influence control blowout quality, it is convenient to dismantle simultaneously, the filter core that is convenient to wash in barrel 1.

The upper end threaded connection of outer tube 8 inner wall has sealed lid, and the lower extreme of outer tube 8 outer wall has seted up multiunit air vent 81, and multiunit air vent 81 is circular array setting, carries out the water storage with the leading-in second filter chamber 14 of air after the dust removal deoiling through air vent 81, improves air filtration efficiency.

The oil removal filter core 10 is installed to first filter chamber 13 bottom, and the top of oil removal filter core 10 is provided with dust removal filter core 9, and oil removal filter core 10 and dust removal filter core 9 all overlap and establish in the outside of outer tube 8, and the installation is convenient, filters dust and water oil in the air, improves screw air compressor machine jet quality.

The outer wall cover of inner tube 7 is equipped with the dewatering filter core 11, and the height of inner tube 7 is less than the height of outer tube 8, and first filter chamber 13 is linked together through multiunit air guide hole 81 with second filter chamber 14, increases the air filtration duration to improve filtration efficiency.

The upper end of the inner wall of the cylinder body 1 is provided with a plurality of groups of limiting grooves 12, one side of the lower end of each group of limiting grooves 12 is provided with a clamping groove 121, each group of clamping grooves 121 is respectively clamped with a locating piece 6, a plurality of groups of locating rods of the locating pieces 6 are respectively in sliding connection with the plurality of groups of limiting grooves 12, the dust removing filter element 9 and the oil removing filter element 10 are conveniently fixed through the limiting grooves 12, and the stability of the dust removing filter element 9 and the oil removing filter element 10 in the first filter cavity 13 during filtration is improved.

The upper surface of setting element 6 has seted up locating hole 61, and the top of setting element 6 is provided with adjustable filter 5, and adjustable filter 5 is sliding connection with multiunit spacing groove 12, is convenient for fix adjustable filter 5 through locating hole 61 and locating piece 54, is convenient for change pore filter 51.

The adjustable filter 5 comprises a pull rod 53 and a fine pore filter screen 51, a round hole for inserting the pull rod 53 is formed in the lower surface of the fine pore filter screen 51, a positioning block 54 is integrally formed in the lower end of the pull rod 53, limiting blocks 52 which are slidably connected with the plurality of groups of limiting grooves 12 are arranged around the fine pore filter screen 51, the fine pore filter screen 51 is convenient to disassemble and assemble through the pull rod 53, the number of the fine pore filter screens 51 can be reduced, the plurality of groups of limiting grooves 12 are used for positioning the fine pore filter screen 51, and the fine pore filter screen 51 is prevented from shifting when air is filtered.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special screw air compressor machine of laser cutting's filter equipment, includes barrel (1), its characterized in that: the upper end of the cylinder body (1) is in threaded connection with a filter cover (2), an ash removal assembly (3) is arranged on the upper surface of the filter cover (2), an inner pipe (7) and an outer pipe (8) are arranged in the inner cavity of the cylinder body (1), the inner pipe (7) is arranged in the inner cavity of the outer pipe (8), a second filter cavity (14) is arranged between the inner pipe (7) and the outer pipe (8), a first filter cavity (13) is arranged between the outer pipe (8) and the cylinder body (1), and an air outlet pipe (4) is communicated with the lower surface of the cylinder body (1);

the ash handling subassembly (3) include hydraulic stem (31) set up at the upper surface of straining lid (2), and strain the lateral wall of lid (2) and seted up multiunit coarse filtration hole (21), and multiunit coarse filtration hole (21) are circular array setting, telescopic link one end welding of hydraulic stem (31) has roof (32), and the lower surface welding of roof (32) has multiunit connecting rod (33), multiunit the lower extreme of connecting rod (33) has all welded lantern ring (34), and lantern ring (34) cover is established at straining lid (2) outer wall, the internal diameter of lantern ring (34) is the same with the external diameter of straining lid (2).

2. The filtering device of the screw air compressor special for laser cutting according to claim 1, wherein: the upper end threaded connection of outer tube (8) inner wall has sealed lid, and the lower extreme of outer tube (8) outer wall has seted up multiunit air vent (81), and multiunit air vent (81) are circular array setting.

3. The filtering device of the screw air compressor special for laser cutting according to claim 1, wherein: the oil removal filter core (10) is installed to first filter chamber (13) bottom, and the top of oil removal filter core (10) is provided with dust removal filter core (9), oil removal filter core (10) and dust removal filter core (9) all overlap and establish in the outside of outer tube (8).

4. The filtering device of the screw air compressor special for laser cutting according to claim 1, wherein: the outer wall cover of inner tube (7) is equipped with dewatering filter core (11), and the height of inner tube (7) is less than the height of outer tube (8), first filter chamber (13) are linked together through multiunit air guide hole (81) with second filter chamber (14).

5. The filtering device of the screw air compressor special for laser cutting according to claim 1, wherein: the upper end of the inner wall of the cylinder body (1) is provided with a plurality of groups of limiting grooves (12), one side of the lower end of each group of limiting grooves (12) is provided with a clamping groove (121), a plurality of groups of clamping grooves (121) are respectively clamped with a positioning piece (6), and a plurality of groups of positioning rods of the positioning pieces (6) are respectively connected with the plurality of groups of limiting grooves (12) in a sliding mode.

6. The filtering device of the screw air compressor special for laser cutting according to claim 5, wherein: the upper surface of setting element (6) has seted up locating hole (61), the top of setting element (6) is provided with adjustable filter (5), and adjustable filter (5) are sliding connection with multiunit spacing groove (12).

7. The filtering device of the screw air compressor special for laser cutting according to claim 6, wherein: the adjustable filter element (5) comprises a pull rod (53) and a fine pore filter screen (51), a round hole for the pull rod (53) to be inserted is formed in the lower surface of the fine pore filter screen (51), a positioning block (54) is integrally formed at the lower end of the pull rod (53), and limiting blocks (52) which are slidably connected with a plurality of groups of limiting grooves (12) are arranged around the fine pore filter screen (51).