Dry grinding cabinet with pulse backwash filter mechanism

Abstract

The present invention discloses a dry grinding cabinet with a pulse back-blowing filtering mechanism, comprising a cabinet body, a dust collecting drawer and a pulse back-blowing filtering mechanism being arranged on the cabinet body, a folding foot stand being fixedly mounted on the back of the dust collecting drawer, a dust collecting groove of the dust collecting drawer being connected with the lower cabinet body to form a dust collecting channel, a sealing component comprising a movable rod, a bearing, a winding rod and a rolling cloth, one end of the movable rod being hinged to an end of the dust collecting drawer away from a handle, the other end of the movable rod being fixedly connected to the bearing, the winding rod being fixedly connected to the output end of the bearing, and a rolling cloth being wound and rolled on the winding rod, a use end of the rolling cloth being snap-connected with an end of the dust collecting drawer on which the handle is installed to seal the dust collecting drawer, the dry grinding cabinet can effectively separate dust and gas through the pulse back-blowing filtering mechanism, prevent the dust in the dust collecting drawer from spreading and causing secondary pollution, thereby increasing the service life of a polyester fiber filter cartridge and avoiding waste of materials.

Description

Technical Field

[0001] The invention relates to the technical field of dust removal machinery, in particular to a dry grinding cabinet with a pulse back-blowing filtering mechanism. Background Art

[0002] The dust removal effect of traditional dust removal and grinding cabinets is not very thorough. Traditional dust removal and grinding cabinets collect dust by setting up ash hoppers. The ash hoppers after collection are greatly affected by the road surface during transportation during processing, causing the dust in the ash hopper to easily spread and cause secondary pollution to the workshop. In addition, the polyester fiber filter cartridges inside traditional dust removal and grinding cabinets have a short service life, which easily causes material waste. Summary of the invention

[0003] The object of the present invention is to provide a dry grinding cabinet with a pulse back-blowing filtering mechanism to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: a dry grinding cabinet with a pulse back-blowing filtering mechanism, comprising a cabinet body, the cabinet body comprising a lower cabinet body, an upper cabinet body and a purification cabinet, the lower cabinet body is provided with a dust inlet, the purification cabinet comprises an air outlet, the air outlet is connected to a negative pressure fan, so that external dust enters the cabinet body through the dust inlet under the negative pressure inside the cabinet body, characterized in that: the cabinet body is provided with a dust collection drawer and a pulse back-blowing filtering mechanism;

[0005] The dust collection drawer is provided with a folding foot stand, a handle and a sealing assembly;

[0006] The folding footstand comprises a fixing plate, a footstand, a gas spring and a roller, the fixing plate is fixedly mounted on the dust collection drawer, the fixing plate is hinged to the roller through the footstand, the footstand is fixed to the dust collection drawer through the gas spring, the handle is fixed to the dust collection drawer so that the dust collection drawer can be slid out through the handle, the opening direction of the dust collection drawer is connected with the lower cabinet to form a dust collection channel, and the dust collection drawer is slidably connected in the lower cabinet;

[0007] The lower cabinet is provided with a placement chamber for placing the sealing assembly when the dust collecting drawer is working in the lower cabinet;

[0008] The pulse back-blowing filtering mechanism comprises a polyester fiber filter cartridge, an air jet, an air jet pipe, a pulse valve, an air storage cylinder and an air transmission end. The polyester fiber filter cartridge is fixed in an upper cabinet, and the air inlet of the polyester fiber filter cartridge is connected with the upper port of the lower cabinet to form a filtering channel. The air outlet of the polyester fiber filter cartridge is directly opposite to the air jet, and the air jet is provided on the air jet pipe. The pulse valve is fixed at the air transmission end, the air inlet end of the pulse valve is connected with the inner cavity of the air storage cylinder, and the air outlet of the upper cabinet is connected with the purification port of the purification cabinet to form a purification channel.

[0009] Furthermore, the lower cabinet is provided with a plurality of perforated flow equalizing plates, the perforated flow equalizing plates are provided with a first end and a second end opposite to the first end, the perforated flow equalizing plates are connected with the dust inlet port to form a dust inlet channel, the first end is fixed on the inner side wall of the lower cabinet, and the height between the first end and the bottom of the cabinet is higher than the height between the second end and the bottom of the cabinet.

[0010] Furthermore, the sealing assembly includes a movable rod, a bearing, a winding rod and a rolled cloth. The bearing is hinged to the end of the dust drawer away from the handle through the movable rod. The winding rod is rotatably connected to the bearing, and a rolled cloth is wound and rolled on the winding rod. The rolled cloth is snap-connected to the end of the handle installed on the dust drawer to seal the opening of the dust drawer.

[0011] Furthermore, both end surfaces of the polyester fiber filter cartridge are provided with end caps, and the end caps are mounted with a brush assembly. The brush assembly is fixedly connected to an electric telescopic rod so that the electric telescopic rod drives the brush assembly to sweep the polyester fiber filter cartridge so that the dust falls into the dust collection drawer, and the electric telescopic rod is fixed on the upper cabinet.

[0012] Furthermore, the brush assembly includes a plurality of brush filaments and a mounting plate, the plurality of brush filaments are fixed on the mounting plate, and the mounting plate is in a semicircular shape.

[0013] Furthermore, the electric telescopic rod and the brush assembly are each provided with two, and the two brush assemblies are respectively mounted on the two end covers.

[0014] Furthermore, the bristle brush filaments are nylon bristle brush filaments.

[0015] Furthermore, the roll cloth is a roll cloth made of modal fiber material.

[0016] Furthermore, a plug-in slot adapted to a forklift fork rod is provided at the bottom of the cabinet.

[0017] Furthermore, a brake universal wheel is provided at the bottom of the cabinet.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. When cleaning this type of dry sanding cabinet, pull out the dust drawer by the handle, then open and slide the folding footstand. When transporting the dust drawer, seal the dust drawer with a sealing assembly to prevent the dust in the dust drawer from spreading and causing secondary pollution.

[0020] 2. This type of dry grinding cabinet can perform preliminary cleaning of the dust on the polyester fiber filter cartridge through the pulse back-blowing filtering mechanism, and further clean the dust on the polyester fiber filter cartridge through the setting of the brush assembly. The brush assembly can clean the polyester fiber filter cartridge under the drive of the electric telescopic rod, and the cleaned dust falls into the dust collection drawer. The service life of the polyester fiber filter cartridge is prolonged through two cleanings, avoiding waste of materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the folding foot frame structure of the dust collection drawer of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the dust collecting tank of the dust collecting drawer of the present invention;

[0024] Figure 4 is a schematic diagram of the sealing assembly structure of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the punching flow equalizing plate of the present invention;

[0026] Figure 6 It is a schematic diagram of the installation structure of the brush assembly of the present invention;

[0027] In the accompanying drawings: 1. cabinet; 2. dust collection drawer; 3. pulse back-blowing filter mechanism; 4. lower cabinet; 5. upper cabinet; 6. purification cabinet; 7. folding tripod; 71. fixing plate; 72. tripod; 73. gas spring; 74. roller; 8. handle; 9. sealing assembly; 10. movable rod; 11. bearing; 12. winding rod; 13. rolling cloth; 14. polyester fiber filter cartridge; 15. jet outlet; 16. jet pipe; 17. pulse valve; 18. air storage cylinder; 19. air transmission end; 20. punching equalizing plate; 201. first end; 202. second end; 21. air outlet; 22. placement chamber; 23. end cover; 24. brush assembly; 241. brush wire; 242. mounting plate; 25. electric telescopic rod; 26. brake universal wheel. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-6The present invention provides a technical solution: a dry grinding cabinet with a pulse back-blowing filtering mechanism, comprising a cabinet 1, the cabinet 1 comprising a lower cabinet 4, an upper cabinet 5 and a purification cabinet 6, the lower cabinet 4 is provided with a dust inlet, the purification cabinet 6 comprises an air outlet 21, the air outlet 21 is connected to a negative pressure fan, so that external dust enters the cabinet 1 through the dust inlet under the negative pressure inside the cabinet, characterized in that: a dust collecting drawer 2 and a pulse back-blowing filtering mechanism 3 are provided on the cabinet 1;

[0030] The dust collection drawer 2 is provided with a folding stand 7, a handle 8 and a sealing assembly 9;

[0031] The folding foot frame 7 includes a fixing plate 71, a foot frame 72, a gas spring 73 and a roller 74. The fixing plate 71 is fixedly mounted on the dust collection drawer 2. The fixing plate 71 is hinged to the roller 74 through the foot frame 72. The foot frame 72 is fixed to the dust collection drawer 2 through the gas spring 73. The handle 8 is fixed to the dust collection drawer 2 so that the dust collection drawer 2 can be slid out through the handle 8. The opening direction of the dust collection drawer 2 is connected to the lower cabinet 4 to form a dust collection channel, and the dust collection drawer 2 is slidably connected in the lower cabinet 4.

[0032] A placement chamber 22 is provided in the lower cabinet 4 for placing the sealing assembly 9 when the dust collection drawer 2 is working in the lower cabinet 4;

[0033] The pulse back-blowing filtering mechanism 3 includes a polyester fiber filter cartridge 14, an air jet 15, an air jet pipe 16, a pulse valve 17, an air storage cylinder 18 and an air supply end 19. The polyester fiber filter cartridge 14 is fixed in the upper cabinet 5, and the air inlet of the polyester fiber filter cartridge 14 is connected to the upper port of the lower cabinet 4 to form a filtration channel. The air outlet of the polyester fiber filter cartridge 14 is directly opposite to the air jet 15, and the air jet 15 is opened on the air jet pipe 16. The pulse valve 17 is fixed to the air supply end 19, and the air inlet end of the pulse valve 17 is connected to the inner cavity of the air storage cylinder 18. The air outlet of the upper cabinet 5 is connected to the purification port of the purification cabinet 6 to form a purification channel.

[0034] Furthermore, a plurality of perforated flow equalizing plates 20 are provided in the lower cabinet body 4, and a first end 201 and a second end 202 opposite to the first end 201 are provided on the perforated flow equalizing plate 20. The perforated flow equalizing plate 20 is connected to the dust inlet port to form a dust inlet channel. The first end 201 is fixed on the inner side wall of the lower cabinet body 4, and the height between the first end 201 and the bottom of the cabinet is higher than the height between the second end 202 and the bottom of the cabinet.

[0035] Furthermore, the sealing assembly 9 includes a movable rod 10, a bearing 11, a winding rod 12 and a roll cloth 13. The bearing 11 is hinged to the end of the dust drawer 2 away from the handle 8 through the movable rod 10. The winding rod 12 is rotatably connected to the bearing 11, and a roll cloth 13 is wound and rolled on the winding rod 12. The roll cloth 13 is snap-connected to the end of the dust drawer 2 where the handle 8 is installed to seal the opening of the dust drawer 2.

[0036] Furthermore, both end surfaces of the polyester fiber filter cartridge 14 are provided with end caps 23, and a brush assembly 24 is mounted on the end caps 23. The brush assembly 24 is fixedly connected to an electric telescopic rod 25 so that the electric telescopic rod 25 drives the brush assembly 24 to sweep the polyester fiber filter cartridge 14 so that the dust falls into the dust collection drawer 2. The electric telescopic rod 25 is fixed on the upper cabinet 5.

[0037] Furthermore, the brush assembly 24 includes a plurality of brush filaments 241 and a mounting plate 242 . The plurality of brush filaments 241 are fixed on the mounting plate 242 , and the mounting plate 242 is in a semicircular shape.

[0038] Furthermore, two electric telescopic rods 25 and two brush assemblies 24 are provided, and the two brush assemblies 24 are respectively mounted on the two end covers 23 .

[0039] Furthermore, the bristle brush filaments 241 are nylon bristle brush filaments, which have the characteristics of high softness, excellent elastic memory, and bending recovery force.

[0040] Furthermore, the cloth roll 13 is made of modal fiber material, which is not easy to be stained with dust.

[0041] Furthermore, a plug-in slot adapted to a forklift fork rod is provided at the bottom of the cabinet 1 to facilitate forklift transportation.

[0042] Furthermore, a brake universal wheel 26 is provided at the bottom of the cabinet 1 to facilitate the movement of the cabinet.

[0043] Working principle: The air outlet 21 of this dry grinding cabinet is connected to a negative pressure fan to make the entire cabinet in a negative pressure state. When the dust in the workshop enters the lower cabinet 4 from the dust inlet, first, part of the dust falls into the dust collecting drawer 2 through the diversion effect of the punched flow equalizing plate 20, and then the dust in the lower cabinet 4 enters the pulse backblowing filter mechanism 3 in the upper cabinet 5. The pulse backblowing filter mechanism 3 can thoroughly filter the dust. The pulse backblowing filter mechanism 3 adopts a polyester fiber filter cartridge 14 to make it more durable and environmentally friendly. The filtered gas is finally discharged through the air outlet 21 in the purification cabinet 6. When the device stops working, the dust filtered on the pulse backblowing filter mechanism 3 will fall into the dust collecting drawer 2. When cleaning the dust collecting drawer 2, the dust collecting drawer 2 is pulled out to the ground through the handle 8, and then the folding tripod 7 is folded. The foot stand 72 is opened and can be slid by the roller 74. When transporting the dust collection drawer 2, the cloth roll 13 is pulled, and the cloth roll 13 adjusts its upper and lower positions according to the movable rod 10. The cloth roll 13 is rotated in the bearing 11 by the winding rod 12 so that the cloth roll 13 is engaged with the dust collection drawer 2 to achieve sealing, thereby preventing the dust in the dust collection drawer 2 from spreading and causing secondary pollution. The pulse backwashing filter mechanism 3 will also accumulate some dust after long-term filtration. At this time, the pulse valve 17 is opened, and the pulse backwashing filter mechanism 3 is preliminarily backwashed and cleaned through the air jet 15. In addition, a brush assembly 24 is provided on the polyester fiber filter cartridge 14 of this polishing cabinet. The brush assembly 24 can clean the polyester fiber filter cartridge 14 again under the drive of the electric telescopic rod 25, and the cleaned dust falls into the dust collection drawer 2, thereby improving the service life of the polyester fiber filter cartridge 14.

[0044] 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 dry grinding cabinet with a pulse back-blowing filtering mechanism, comprising a cabinet body (1), wherein the cabinet body (1) comprises a lower cabinet body (4), an upper cabinet body (5) and a purification cabinet (6), wherein the lower cabinet body (4) is provided with a dust inlet, and the purification cabinet (6) comprises an air outlet (21), wherein the air outlet (21) is connected to a negative pressure fan so that external dust enters the cabinet body (1) through the dust inlet under the action of negative pressure inside the cabinet body, and wherein: The cabinet (1) is provided with a dust collection drawer (2) and a pulse back-blowing filtering mechanism (3); The dust collection drawer (2) is provided with a folding stand (7), a handle (8) and a sealing assembly (9); The folding foot stand (7) comprises a fixing plate (71), a foot stand (72), a gas spring (73) and a roller (74); the fixing plate (71) is fixedly mounted on the dust collection drawer (2); the fixing plate (71) is hingedly connected to the roller (74) via the foot stand (72); the foot stand (72) is fixed to the dust collection drawer (2) via the gas spring (73); the handle (8) is fixed to the dust collection drawer (2) so that the dust collection drawer (2) can be slid out via the handle (8); the opening direction of the dust collection drawer (2) is connected to the lower cabinet (4) to form a dust collection channel; and the dust collection drawer (2) is slidably connected in the lower cabinet (4); The lower cabinet (4) is provided with a placement chamber (22) for placing the sealing assembly (9) when the dust collection drawer (2) is working in the lower cabinet (4); The pulse back-blowing filtering mechanism (3) comprises a polyester fiber filter cartridge (14), an air jet (15), an air jet pipe (16), a pulse valve (17), an air storage cylinder (18) and an air supply end (19); the polyester fiber filter cartridge (14) is fixed in the upper cabinet (5), and the air inlet of the polyester fiber filter cartridge (14) is connected to the upper end of the lower cabinet (4) to form a filtering channel; the air outlet of the polyester fiber filter cartridge (14) is directly opposite to the air jet (15), and the air jet (15) is provided on the air jet pipe (16); the pulse valve (17) is fixed to the air supply end (19); the air inlet of the pulse valve (17) is connected to the inner cavity of the air storage cylinder (18); the air outlet of the upper cabinet (5) is connected to the purification port of the purification cabinet (6) to form a purification channel; The sealing assembly (9) comprises a movable rod (10), a bearing (11), a reeling rod (12) and a roll cloth (13); the bearing (11) is hinged to an end of the dust collection drawer (2) away from the handle (8) through the movable rod (10); the reeling rod (12) is rotatably connected to the bearing (11); and a roll cloth (13) is wound and rolled on the reeling rod (12); the roll cloth (13) is snap-connected to an end of the dust collection drawer (2) where the handle (8) is installed, so that the opening of the dust collection drawer (2) is sealed; Both end surfaces of the polyester fiber filter cartridge (14) are provided with end caps (23), and a brush assembly (24) is mounted on the end caps (23). The brush assembly (24) is fixedly connected to an electric telescopic rod (25) so that the electric telescopic rod (25) drives the brush assembly (24) to sweep dust from the polyester fiber filter cartridge (14) so ​​that dust falls into the dust collection drawer (2), and the electric telescopic rod (25) is fixed to the upper cabinet (5).

2. The dry polishing cabinet with pulse back-blowing filtering mechanism according to claim 1 is characterized in that: A plurality of perforated flow equalizing plates (20) are arranged in the lower cabinet (4), and the perforated flow equalizing plates (20) are provided with a first end (201) and a second end (202) opposite to the first end (201). The perforated flow equalizing plates (20) are connected to the dust inlet to form a dust inlet passage, and the first end (201) is fixed to the inner side wall of the lower cabinet (4), and the height between the first end (201) and the cabinet bottom is higher than the height between the second end (202) and the cabinet bottom.

3. The dry polishing cabinet with pulse back-blowing filtering mechanism according to claim 1 is characterized in that: The brush assembly (24) comprises a plurality of brush filaments (241) and a mounting plate (242); the plurality of brush filaments (241) are fixed on the mounting plate (242); and the mounting plate (242) is in the shape of a semicircle.

4. The dry polishing cabinet with pulse back-blowing filtering mechanism according to claim 1 is characterized in that: The electric telescopic rod (25) and the brush assembly (24) are each provided with two, and the two brush assemblies (24) are respectively mounted on the two end covers (23).

5. The dry polishing cabinet with pulse back-blowing filtering mechanism according to claim 3 is characterized in that: The bristle brush filaments (241) are nylon bristle brush filaments.

6. The dry polishing cabinet with pulse back-blowing filtering mechanism according to claim 1, characterized in that: The roll cloth (13) is a roll cloth made of modal fiber material.

7. The dry polishing cabinet with pulse back-blowing filtering mechanism according to claim 1, characterized in that: The bottom of the cabinet (1) is provided with a plug-in slot adapted to fit the fork rod of a forklift.

8. The dry polishing cabinet with pulse back-blowing filtering mechanism according to claim 1, characterized in that: The bottom of the cabinet (1) is provided with a brake universal wheel (26).

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