CN210845736U - Movable dust remover with pre-filtering device - Google Patents

Abstract

The utility model discloses a mobile dust collector with a pre-filtering device, which relates to the field of dust collectors. The utility model comprises a suction head device, a combined box body and a mobile trolley. The combined box body is located on the mobile trolley, and the combined box body includes a clean air chamber. There are several filter bags vertically distributed in the clean air chamber, the clean air chamber is connected with the suction head device near the top wall, and the bottom of the clean air chamber is connected with a dust collecting bin, and the suction head device includes a suction head device. Head, dust box and trachea. The suction head is provided with a suction port for dust suction. One end of the trachea is connected to the suction head and the other end is connected to the clean air chamber. The dust box is slidingly connected to the bottom wall of the suction head, and the suction head is close to the suction port. A first dust baffle is arranged at one end of the dust box, the first dust baffle is extended towards the direction of the dust box, and a second dust baffle perpendicular to the first dust baffle is arranged on the dust box obliquely. The utility model has the effects of small working load of the filter bag, convenient cleaning, safety and reliability.

Description

A mobile dust collector with pre-filtering device

technical field

The utility model relates to the technical field of dust collectors, in particular to a mobile dust collector with a pre-filtering device.

Background technique

The mobile dust collector has good dust removal effect on general small and fine metal chips, foundry sand dust, cement, gypsum powder, carbon powder, bakelite powder, plastic powder, etc. The dust removal efficiency is greater than 9% Nineteen point five. Compared to traditional dust collectors, it is more flexible and easier to clean and repair.

The Chinese patent with the announcement number CN206934948U discloses a mobile dust collector, which includes a dust removal box, a dust collection box is arranged in the dust removal box, and a filter bag is arranged above the dust collection box. The other end of the dust-removing box penetrates the side wall of the dust-removing box and is connected to the dust-absorbing hood, and the air outlet opened on the upper end of the dust-removing box is connected with the air outlet of the fan. The dust hood inhales the dust-laden gas, passes through the trachea through the filter bag, the filter bag filters the dust, and the purified gas is discharged from the exhaust port. After the dust on the filter bag accumulates to a certain extent, open the door of the dust box. Clean the ashes.

The above scheme has the following drawbacks: the dust-containing gas directly passes through the filter bag, and the filter bag has a great workload, which often needs to be cleaned, and cleaning is inconvenient, which affects the work efficiency. In addition, if the inhaled dust-containing gas contains sharp fragments, it is very easy to Scratching the filter bag will cause damage to the dust collector, posing a safety hazard.

Utility model content

The purpose of the utility model is to provide a mobile type dust collector with a pre-filtering device, which has the effects of small working load of the filter bag, convenient cleaning, safety and reliability.

The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions:

A mobile dust collector with a pre-filtering device includes a suction head device, a combined box body and a mobile trolley, the combined box body is located on the mobile trolley, and the combined box body includes a clean air chamber and a clean air chamber. Air outlet pipe, several filter bags are vertically distributed in the clean air chamber, the clean air chamber is connected with the suction head device near the top wall, the bottom of the clean air chamber is connected with a dust collection bin, and the suction head device includes A suction head, a dust box and a trachea, the suction head is provided with a suction port for dust suction, one end of the trachea is connected with the suction head and the other end is connected with the clean air chamber, the dust box and the bottom wall of the suction head are slidable The suction head is extended in the direction of the dust box near the suction mouth, and a first dust baffle is arranged on the dust box, and a second dust baffle perpendicular to the first dust baffle is arranged on the dust box.

By adopting the above technical solution, after the dust-laden gas enters the suction head, it first hits the first dust baffle. Under the influence of gravity, some large particles of dust fall into the dust box. The setting of the second dust baffle prevents it from falling into the box. The dust is sucked up again, and the suction head device blocks the large particles of dust and makes it fall into the dust box, which can reduce the workload of the dust collector and prolong the working life of the dust collector. In addition, the dust box can be assembled and disassembled quickly and easy to clean. .

The utility model is further provided that: the shape of the suction mouth is rectangular.

By adopting the above technical solution, the length of the suction port remains unchanged and the width becomes smaller, resulting in a smaller end surface area, and the effect of increasing the suction force without reducing the dust suction range can be achieved by moving the suction head.

The utility model is further arranged as follows: the first dust blocking plate is densely covered with air suction holes.

By adopting the above technical solution, the airflow trajectory is straight, ensuring that the suction force is large enough, and reducing the possibility of sharp debris entering the vacuum cleaner.

The utility model is further arranged as follows: magnet blocks are evenly embedded on the inner side wall of the dust box along the circumferential direction.

By adopting the above technical scheme, the metal in the dust is adsorbed, so as to facilitate the classification during cleaning, and the loss of some important small metal parts can also be avoided.

The utility model is further provided that: one end of the trachea close to the suction head is sleeved with a connecting sleeve, and the suction head and the trachea are in interference fit.

By adopting the above technical solution, the connection and disconnection of the trachea and the suction head can be completed only through the connection sleeve, and the entire suction head does not need to be moved, which facilitates the replacement of the suction head when it is damaged.

The utility model is further configured as follows: a pulse injection assembly is arranged outside the clean air chamber, and the pulse injection assembly includes an air storage bag, a plurality of injection pipes and nozzles arranged on the injection pipes. There is a mounting plate, the air storage bag is arranged on the mounting plate, a plurality of the injection pipes are arranged in an array along the length direction of the air storage bag, and one end is connected to the air storage bag through a pulse solenoid valve, and the other end passes through the clean air chamber and is connected to the air storage bag. Extending to the upper side of the filter bags, the nozzles are located directly above each filter bag.

By adopting the above technical solution, when the filter bag works for a certain period of time, the surface of the filter bag will be adhered to dust, and the electromagnetic pulse valve can be opened and closed regularly under the control of PLC, so that the compressed air in the air storage bag can be sprayed on the filter bag through the nozzle, thereby The dust accumulated on the filter bag can be removed in time, so that the filter bag can maintain a good dust filtering effect.

The utility model is further configured as follows: the dust collection bin is provided with a dust discharge assembly, and the dust discharge assembly includes a driving motor and a conveying auger, and the conveying auger is placed horizontally on the dust collecting bin along the length direction of the dust collecting bin. At the bottom of the dust bin, the drive motor is installed on the side wall of the dust bin, and a dust discharge port is provided on the side of the dust bin away from the drive motor.

By adopting the above technical scheme, the dust discharge port is opened, and the driving motor drives the conveying auger to rotate, so that the dust accumulation in the dust collection bin can be automatically discharged from the dust discharge port, thereby facilitating the cleaning of the dust accumulation in the dust collection chamber and saving manpower and material resources.

The utility model is further configured as follows: the bottom wall of the suction head is provided with a chute, the top surface of the dust box is provided with a sliding block matched with the chute, and the end face perpendicular to the dust box and the chute is provided with a snap groove, The suction head is provided with a clamping block matched with the clamping groove.

By adopting the above technical solution, the connection between the dust box and the suction head can be completed by one slip and one card, which is convenient and fast, and the connection is stable.

To sum up, the beneficial technical effects of the present utility model are:

1. Through the setting of the first dust baffle and the second dust baffle, large particles of dust are filtered out, the burden of filter bag filtration is reduced, and the cleaning cycle and the service life of the filter bag are prolonged;

2. Through the setting of the connecting sleeve, suction head and trachea, the connection and disconnection of the suction head and the trachea are more convenient and quick, and the replacement of the suction head is easier;

3. Through the setting of the pulse blowing component and the dust removal component, the dust accumulation on the filter bag is easy to clean, and the dust collection in the dust collection bin is easy to discharge, which further improves the dust removal efficiency.

Description of drawings

Fig. 1 is the structural representation used to embody the whole in the present utility model;

Figure 2 is a schematic diagram of the connection structure used to embody the pulse injection assembly and the ash discharge assembly in the present invention;

Fig. 3 is the schematic diagram used to embody the connection structure in the suction head device in the present invention;

FIG. 4 is a schematic diagram for illustrating the connection structure between the dust box and the suction head in the present invention.

In the figure, 1. Mobile trolley; 2. Combined box body; 21. Clean air chamber; 211, Filter bag; 212, Air outlet pipe; 232, blowing pipe; 233, nozzle; 234, pulse solenoid valve; 24, mounting plate; 25, dust discharge assembly; 251, drive motor; 252, conveying auger; 253, dust discharge port; 3, suction head device; 31 , suction head; 311, suction mouth; 312, first dust baffle; 3121, suction hole; 313, chute; 314, snap block; 32, dust box; 321, second dust baffle; 322, magnet block 323, slider; 324, snap slot; 33, trachea; 331, connecting sleeve; 332, negative pressure fan; 333, trachea retaining ring; 334, suction head plug.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Example:

As shown in FIG. 1 , it is a mobile dust collector with a pre-filtering device disclosed by the utility model, which includes a suction head device 3 , a mobile trolley 1 and a combined box body 2 fixed on the mobile trolley 1 . The combined box body 2 It includes a clean air chamber 21 and a dust collecting bin 22 connected to the bottom of the clean air chamber 21. The clean air chamber 21 is connected with an air outlet duct 212. The clean air chamber 21 is connected to the suction head device 3 near the top wall. The clean air chamber 21 There are several filter bags 211 (as shown in FIG. 2 ) vertically and evenly distributed inside.

As shown in FIG. 2 , a pulse injection assembly 23 is provided outside the clean air chamber 21. The pulse injection assembly 23 includes an air storage bag 231, a plurality of injection pipes 232 and a pulse solenoid valve 234. The injection pipe 232 is provided with a nozzle 233, and the combination A mounting plate 24 is provided on the side wall of the box body 2, the air storage bag 231 is arranged on the mounting plate 24, a plurality of injection pipes 232 are arranged in an array along the length direction of the air storage bag 231, and one end is connected to the air storage bag 231 through a pulse solenoid valve 234 , the other end passes through the clean air chamber 21 and extends to the upper side of the filter bags 211 , and the nozzles 233 are located just above each filter bag 211 . The pulse solenoid valve 234 can be controlled by PLC to open and close regularly, so that the compressed air in the air storage bag 231 can spray the filter bag 211 with reverse airflow through the nozzle 233, and the filter bag 211 instantly expands and vibrates violently, so that it adheres to the filter bag 211. The dust on the surface is quickly detached and falls into the dust collecting bin 22, so that the filter bag 211 maintains a good filtering effect.

As shown in FIG. 2 , the dust collection bin 22 is provided with a dust discharge assembly 25. The dust discharge assembly 25 includes a drive motor 251, a conveying auger 252 and a dust discharge port 253. The conveying auger 252 is placed in the dust collecting bin 22 along the horizontal direction. At the bottom of the dust collecting bin 22, the driving motor 251 is installed on the side wall of the dust collecting bin 22 and is coaxially connected with the conveying auger 252. When a large amount of dust accumulates in the dust collection bin 22, the dust outlet 253 is opened, and the driving motor 251 drives the conveying auger 252 to rotate, so that the accumulated dust can be automatically discharged from the dust outlet 253 without clogging.

As shown in FIG. 3 and FIG. 4 , the suction head device 3 includes a suction head 31, an air pipe 33 and a dust box 32 connected to the bottom wall of the suction head 31. The suction head 31 is provided with a suction port 311 for dust suction, and the shape of the suction port 311 is is a rectangle. The bottom wall of the suction head 31 is provided with a sliding groove 313 oppositely. The end face of the dust box 32 perpendicular to the direction of the chute 313 is provided with a snap groove 324 , and the side wall of the suction head 31 is slidably connected with a snap block 314 matched with the snap groove 324 , and the snap block 314 blocks the sliding of the dust box 32 . Implement fixed.

As shown in FIG. 3 , the suction head 31 is provided with a first dust baffle 312 extending toward the dust box 32 near the suction port 311 . The dust baffle 321, the first dust baffle 312 is densely covered with suction holes 3121, the suction holes 3121 can keep the suction stable, and the second dust baffle 321 can prevent the dust falling into the dust box 32 from being sucked into the suction head 31 again . The side wall of the dust box 32 is uniformly arrayed with magnet blocks 322 along the circumferential direction, and the magnet blocks 322 can absorb metals. The end of the suction head 31 away from the suction port 311 is inserted into the trachea 33, the trachea 33 is sleeved with a connecting sleeve 331, and the trachea 33 is provided with a tracheal stop ring 333, the connecting sleeve 331 is in contact with the trachea stop ring 333, and the suction head 31 is close to The trachea 33 is provided with a suction head clamp 334 for interference fit with the trachea 33. The connecting sleeve 331 is threadedly connected to the suction head 31 to ensure that the suction head 31 and the trachea 33 are not easily disconnected. A negative pressure fan 332 (as shown in FIG. 1 ) is connected between the air pipe 33 and the combined box body 2 , and the negative pressure fan 332 creates a negative pressure, so that the suction head device 3 generates suction to achieve the effect of vacuuming.

The implementation principle of this embodiment is as follows: the dust collector is turned on, the negative pressure fan 332 creates a negative pressure to generate suction, the dust-laden gas is sucked from the suction port 311, and hits the first dust baffle 312, relying on the self-weight of the large particle dust to make it fall. into the dust box 32, the remaining dust-laden gas enters the top of the clean air chamber 21 through the air pipe 33 through the suction hole 3121 or the gap between the first dust baffle 312 and the second dust baffle 321, and then flows through the filter bag 211 Enter the filter bag 211 for secondary filtration, and finally discharge from the air outlet duct 212 to complete the dust removal.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a portable dust remover with prefilter, includes suction head device (3), combination box (2) and removal dolly (1), combination box (2) are located removal dolly (1), combination box (2) include air-purifying chamber (21) and air-out pipeline (212) with air-purifying chamber (21) intercommunication, vertical distribution has a plurality of filter bags (211) in air-purifying chamber (21), air-purifying chamber (21) are close to roof department and suction head device (3) intercommunication, air-purifying chamber (21) bottom intercommunication has dust collection bin (22), its characterized in that: suction head device (3) are including suction head (31), dust box (32) and trachea (33), be equipped with suction inlet (311) that supply the dust absorption to use on suction head (31), the one end and suction head (31) of trachea (33) are connected and the other end is connected with air-purifying chamber (21), dust box (32) slide with suction head (31) diapire and are connected, be close to suction inlet (311) department in suction head (31) and extend towards the direction of dust box (32) and be provided with first dust board (312), slope on dust box (32) be provided with first dust board (312) vertically second dust board (321).

2. A mobile dust collector having a pre-filter unit according to claim 1, wherein: the suction opening (311) is rectangular in shape.

3. A mobile dust collector having a pre-filter unit according to claim 1, wherein: the first dust baffle (312) is densely provided with air suction holes (3121).

4. A mobile dust collector having a pre-filter unit according to claim 1, wherein: magnet blocks (322) are uniformly embedded in the inner side wall of the dust box (32) along the circumferential direction.

5. A mobile dust collector having a pre-filter unit according to claim 1, wherein: one pot head that trachea (33) are close to suction head (31) is equipped with adapter sleeve (331), suction head (31) and trachea (33) interference fit.

6. A mobile dust collector having a pre-filter unit according to claim 1, wherein: the gas purification chamber (21) is equipped with pulse jetting subassembly (23) outward, pulse jetting subassembly (23) include gas storage package (231), a plurality of injection pipe (232) and locate nozzle (233) on injection pipe (232), be equipped with mounting panel (24) on combination box (2) lateral wall, gas storage package (231) set up on mounting panel (24), and is a plurality of injection pipe (232) set up and one end is passed through pulse solenoid valve (234) and is connected with gas storage package (231) along the length direction array of gas storage package (231), and the other end passes gas purification chamber (21) and extends to the upside of filter bag (211), nozzle (233) are located directly over every filter bag (211).

7. A mobile dust collector having a pre-filter unit according to claim 1, wherein: be provided with dust exhaust subassembly (25) in dust collection bin (22), dust exhaust subassembly (25) include driving motor (251) and carry auger (252), carry auger (252) along the length direction level of dust collection bin (22) place in the bottom in dust collection bin (22), driving motor (251) are installed in the lateral wall in dust collection bin (22), dust exhaust mouth (253) have been seted up to the one side of keeping away from driving motor (251) on dust collection bin (22).

8. A mobile dust collector having a pre-filter unit according to claim 1, wherein: the suction head (31) bottom wall is equipped with spout (313), dust box (32) top surface be equipped with spout (313) complex slider (323), joint groove (324) have been seted up with spout (313) vertically terminal surface in dust box (32), be equipped with on suction head (31) with joint groove (324) complex joint piece (314).

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