CN213769040U - Dust falling device of cement packaging machine - Google Patents

Abstract

The utility model relates to a cement packagine machine's dust device belongs to cement packagine machine's technical field, and its collecting hopper including seting up the feed inlet sets up on the shell to be located the ash pipe and be close to one side on ground, the feed inlet of collecting hopper is towards the mouth of pipe of ash pipe, is provided with the negative pressure mechanism who is used for extracting the dust in the collecting hopper. The application has the effect of reducing the pollution degree of the working environment.

Description

Dust falling device of cement packaging machine

Technical Field

The application relates to cement packaging machine's field especially relates to a cement packaging machine's dust device.

Background

The cement packing machine is a special equipment necessary for the production of bagged cement, is used for packing powdery materials with good flowability such as cement, and is widely applied in the cement industry. When the cement bag is used, a worker sleeves the cement bag on an ash discharge pipe of a cement packaging machine, and then the ash discharge valve is opened to fill cement into the cement bag. When the cement is filled to a certain amount, the ash pipe is inclined downwards, causing the cement bag to slide down. To achieve this, the ash removal tube requires a hinged structure, but such a structure is less durable and prone to failure over time.

In the related art, chinese utility model patent publication No. CN211281674U discloses a bag pressing device for a cement packaging machine, which comprises a bracket, wherein the bracket is convexly disposed on a shell of the cement packaging machine and is located right above an ash discharging pipe, and the ash discharging pipe extends outwards from the shell and is obliquely arranged downwards; the electromagnet is suspended right above the ash discharge pipe, and the electromagnet is connected with the bracket through an elastic piece; and the power supply is electrically connected with the electromagnet and supplies power to the electromagnet. When workers sleeve the cement bag on the ash discharging pipe, the electromagnet is electrified, the electromagnet is adsorbed on the ash discharging pipe under the action of attraction force, and the cement bag is clamped on the ash discharging pipe; after the cement is filled, the electromagnet is powered off, the electromagnet is separated from the ash discharging pipe under the pulling force of the elastic piece, and the cement bag filled with the cement automatically falls off under the action of gravity. The bag pressing device is more durable in structure, and the defects caused by an original hinge structure are reduced.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because cement is powdery material, the fineness is high, leads to the dust volume of flying upward great, when the cement bag of cover on the ash pipe drops, along with the cement bag breaks away from the moment of ash pipe, the inside remaining cement of ash pipe falls out and produces the raise dust phenomenon by the mouth of pipe of ash pipe to the pollution degree of operational environment has been aggravated.

SUMMERY OF THE UTILITY MODEL

In order to alleviate operational environment's pollution degree, this application provides a cement packaging machine's dust device.

The application provides a cement packagine machine's dust device adopts following technical scheme:

the utility model provides a cement packagine machine's dust device, is including the collecting hopper of seting up the feed inlet, the collecting hopper sets up on the shell to be located the ash pipe and be close to one side on ground, the feed inlet of collecting hopper is towards the mouth of pipe of ash pipe, be provided with the negative pressure mechanism that is used for extracting the dust in the collecting hopper.

Through adopting above-mentioned technical scheme, start negative pressure mechanism, when the cement bag of cover on the ash pipe drops, along with the cement bag breaks away from the ash pipe in the twinkling of an eye, the intraduct remaining cement of ash pipe falls out by the mouth of pipe of ash pipe, and negative pressure mechanism can be collected the cement that the ash pipe mouth of pipe falls out in extracting the collecting hopper by the feed inlet, has reduced the raise dust phenomenon that produces when cement falls out to operational environment's pollution degree has been alleviateed.

Optionally, the collecting hopper is rotationally connected with the shell through a universal joint, the dust falling device further comprises an adjusting cylinder used for adjusting the rotation angle of the collecting hopper, the cylinder body of the adjusting cylinder is hinged to the shell, and the piston rod of the adjusting cylinder is hinged to the collecting hopper.

By adopting the technical scheme, the aggregate bin is rotationally connected with the shell through the universal joint, so that a worker can conveniently adjust the orientation of the aggregate bin according to the position of the ash discharging pipe, the probability that cement falling from the pipe orifice of the ash discharging pipe enters the aggregate bin is increased, and the condition that the cement is diffused outwards is reduced; the cylinder body of the adjusting cylinder is hinged with the shell, the piston rod is hinged with the collecting hopper, when the adjusting cylinder is started, the piston rod is controlled to move, the piston rod can drive the collecting hopper to rotate, the adjusting cylinder is controlled, when the position of the piston rod is kept, the rotating angle of the collecting hopper is locked, and the adjusting effect of the adjusting cylinder on the rotating angle of the collecting hopper is achieved.

Optionally, an air suction opening is formed in the aggregate bin, the negative pressure mechanism comprises a negative pressure fan and a filter screen for filtering dust, the negative pressure fan is arranged on the side wall, close to the air suction opening, of the aggregate bin and faces towards the inside of the aggregate bin, and the filter screen is arranged on one side, close to the inside of the aggregate bin, of the negative pressure fan and connected with the side wall, close to the air suction opening, of the aggregate bin.

By adopting the technical scheme, the negative pressure fan can suck cement into the collecting hopper to be collected, and the filter screen reduces the condition that dust enters the negative pressure fan, so that the fault rate of the negative pressure fan influenced by the dust is reduced.

Optionally, be provided with on the filter screen and scrape the material mechanism, scrape the material mechanism and include the scraper blade of being connected with the filter screen slides and be used for driving the driving piece that the scraper blade slided, the scraper blade passes through the driving piece and is connected with the lateral wall of collecting hopper.

Through adopting above-mentioned technical scheme, the driving piece can drive the scraper blade and slide, can scrape the dust on the filter screen down when the scraper blade slides to reduce the condition that the dust blockked up the filter screen, with improvement negative-pressure air fan's work efficiency.

Optionally, the driving part is a reciprocating cylinder, the reciprocating cylinder is arranged along a direction close to or far away from the air suction opening, a cylinder body of the reciprocating cylinder is arranged on a side wall of the aggregate bin close to the air suction opening, and a piston rod of the reciprocating cylinder is connected with the scraper.

Through adopting above-mentioned technical scheme, reciprocating cylinder sets up along the direction that is close to or keeps away from the suction opening, starts reciprocating cylinder, and the piston rod can be followed the direction that is close to or keeps away from the cylinder body and removed to drive the scraper blade and slide on the filter screen, in order to scrape the dust on the filter screen down.

Optionally, one side of the scraping plate, which is close to the filter screen, is provided with a brush, and bristles of the brush are abutted to the filter screen.

Through adopting above-mentioned technical scheme, the brush hair and the filter screen butt of brush, when the scraper blade removed, the brush hair can be scraped the dust on the filter screen down, has reduced the condition of the mesh of dust jam filter screen.

Optionally, the dust device is still including the baffle that is used for controlling the mouth of pipe of ash pipe and opens and shuts, the baffle sets up on ash pipe is close to orificial lateral wall, the baffle slides with ash pipe and is connected near orificial lateral wall, and the direction of sliding is the axis direction of ash pipe, be provided with the piece that resets that is used for resetting the baffle on the ash pipe.

Through adopting above-mentioned technical scheme, the baffle slides with the ash pipe and is connected near orificial lateral wall, start when cement packagine machine, cement gets into the cement bag by the ash pipe in, cement can promote the baffle when removing and slide, the mouth of pipe of ash pipe is opened until the baffle, cement falls into the cement bag from the mouth of pipe, fill the back that finishes, cement no longer gets into the ash pipe, the baffle no longer receives the thrust of cement, just slide to initial position under the effect that resets, can be once more with the mouth of pipe closure of ash pipe, later take off the cement bag again, because the mouth of pipe closure of ash pipe, the phenomenon of remaining cement falling out and producing the raise dust in the ash pipe has further been reduced.

Optionally, a sliding groove is formed in the side wall, close to the pipe orifice, of the ash discharging pipe in the axial direction of the ash discharging pipe, a sliding block is arranged on the baffle, and the sliding block is connected with the sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, the sliding connection of baffle and ash pipe has been realized to the sliding connection in sliding piece and the groove that slides.

Optionally, the ash pipe is provided with the connecting plate on being close to orificial lateral wall, it is connected with the guide bar to slide along the axial of ash pipe on the connecting plate, the guide bar is kept away from orificial one side of ash pipe with the baffle and is connected, the piece that resets is reset spring, reset spring cover is located on the guide bar, reset spring's one end is connected with the baffle, and the other end is connected with the connecting plate.

By adopting the technical scheme, after the cement is filled, the cement does not enter the ash discharging pipe to generate a thrust effect on the baffle, so that the baffle can slide towards the direction close to the pipe orifice of the ash discharging pipe under the elastic action of the return spring until the pipe orifice of the ash discharging pipe is closed; the guide rod plays a certain guiding role for the return spring.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the negative pressure mechanism is started, when the cement bag sleeved on the ash discharging pipe falls off, the residual cement in the ash discharging pipe falls off from the pipe orifice of the ash discharging pipe at the moment that the cement bag is separated from the ash discharging pipe, and the negative pressure mechanism can pump the cement falling off from the pipe orifice of the ash discharging pipe into the collecting hopper through the feeding hole for collection, so that the dust raising phenomenon generated when the cement falls off is reduced, and the pollution degree of the working environment is reduced;

2. the collecting hopper is rotationally connected with the shell through a universal joint, so that workers can adjust the orientation of the collecting hopper according to the position of the ash discharging pipe, the probability that cement falling from the pipe orifice of the ash discharging pipe enters the collecting hopper is increased, and the condition that the cement diffuses outwards is reduced;

3. baffle and ash pipe are close to orificial lateral wall and slide and are connected, start when cement packagine machine, cement is by the ash pipe get into in the cement bag, cement can promote the baffle when removing and slide, the mouth of pipe of ash pipe is opened until the baffle, cement falls into in the cement bag from the mouth of pipe, fill the back that finishes, cement no longer gets into the ash pipe, the baffle no longer receives the thrust of cement, just slide to initial position under the effect that resets, can be once more with the mouth of pipe closure of ash pipe, later take off the cement bag again, because the mouth of pipe closure of ash pipe, further reduced in the ash pipe remaining cement fall out and the phenomenon that produces the raise dust.

Drawings

FIG. 1 is a schematic view of an embodiment of the present application assembled with a cement packaging machine;

FIG. 2 is a schematic view of the overall structure of the aggregate bin of the embodiment of the present application;

FIG. 3 is a schematic view of the assembly of the baffle plate and the ash pipe according to the embodiment of the present application.

Description of reference numerals: 100. a collection hopper; 110. a feed inlet; 120. an air suction opening; 200. a housing; 300. an ash discharging pipe; 310. a sliding groove; 320. a connecting plate; 321. a guide hole; 322. a guide bar; 330. a return spring; 400. a negative pressure mechanism; 410. a negative pressure fan; 420. a filter screen; 500. a universal joint; 600. an adjusting cylinder; 700. a scraping mechanism; 710. a squeegee; 711. a brush; 720. a reciprocating cylinder; 800. a baffle plate; 810. and (4) a sliding block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses cement packagine machine's dust device. Referring to fig. 1, the dust falling device includes a collecting hopper 100, and the collecting hopper 100 is disposed on a housing 200 and is located on a side of an ash discharge pipe 300 close to the ground. The collecting hopper 100 is opened with a feeding port 110, and the feeding port 110 faces the direction of the opening of the ash discharging pipe 300. A negative pressure mechanism 400 for extracting dust is provided in the collecting hopper 100.

One side of collecting hopper 100 that is close to shell 200 has welded universal joint 500, and the universal joint 500 is kept away from collecting hopper 100's one end and is welded on shell 200, through the effect of universal joint 500, collecting hopper 100 and shell 200 rotate and be connected. The shell 200 is provided with an adjusting cylinder 600, the cylinder body of the adjusting cylinder 600 is hinged with the shell 200, and the piston rod of the adjusting cylinder 600 is hinged with the collecting hopper 100 so as to adjust the rotation angle of the collecting hopper 100.

Referring to fig. 1 and 2, a suction opening 120 is opened on a side wall of the collection hopper 100, the negative pressure mechanism 400 includes a negative pressure fan 410, and the negative pressure fan 410 is connected to the side wall of the collection hopper 100 close to the suction opening 120 through a bolt and faces the inside of the collection hopper 100 to extract dust.

The side wall of the aggregate bin 100 close to the suction opening 120 is welded with a filter screen 420, and the filter screen 420 is arranged on one side of the negative pressure fan 410 close to the inside of the aggregate bin 100 and used for filtering dust so as to reduce the influence of the dust entering the negative pressure fan 410 on the working efficiency of the negative pressure fan 410.

The filter screen 420 is provided with a scraping mechanism 700, the scraping mechanism 700 comprises a scraper 710, the scraper 710 is connected with the filter screen 420 in a sliding manner, one side of the scraper 710 close to the filter screen 420 is bonded with a brush 711, and bristles of the brush 711 are abutted against the filter screen 420 and used for cleaning dust on the filter screen 420.

The scraping mechanism 700 further comprises a driving part, the driving part is a reciprocating cylinder 720, the reciprocating cylinder 720 is arranged along the direction close to or far away from the air suction opening 120, the cylinder body of the reciprocating cylinder 720 is welded on the side wall of the collecting hopper 100 close to the air suction opening 120, and one end, far away from the cylinder body, of the piston rod of the reciprocating cylinder 720 is connected with the scraping plate 710 through a bolt so as to drive the scraping plate 710 to slide.

Referring to fig. 1 and 3, in order to further reduce the dispersion of the cement dust remaining in the ash pipe 300 in the air, a baffle 800 is disposed on the sidewall of the ash pipe 300 near the nozzle to control the opening and closing of the nozzle of the ash pipe 300.

The ash discharging pipe 300 is close to and has seted up sliding groove 310 on orificial lateral wall, sliding groove 310 sets up the direction and be ash discharging pipe 300's axial, and the welding has sliding block 810 on the baffle 800, and sliding block 810 slides with sliding groove 310 and is connected for baffle 800 slides with ash discharging pipe 300 and is close to orificial lateral wall and is connected.

The side wall of the ash discharging pipe 300 close to the pipe orifice is welded with a connecting plate 320, a guide hole 321 is formed in the connecting plate 320 in the axial direction of the ash discharging pipe 300, and a guide rod 322 is connected to the hole wall of the guide hole 321 in a sliding mode, so that the guide rod 322 is connected with the connecting plate 320 in a sliding mode. One end of the guide rod 322 close to the nozzle of the ash pipe 300 is welded with the baffle plate 800 to play a certain guiding role in sliding the baffle plate 800.

When cement is discharged, the baffle 800 can slide along the axial direction of the ash pipe 300 under the action of the cement so as to open the pipe orifice of the ash pipe 300. The ash discharging pipe 300 is further provided with a reset piece, the reset piece is a reset spring 330, the reset spring 330 is sleeved on the guide rod 322, one end of the reset spring 330 is connected with the baffle 800, and the other end of the reset spring is connected with the connecting plate 320. After the cement discharging is finished, the position of the baffle 800 can be restored under the action of the return spring 330.

The implementation principle of cement packagine machine's dust device of this application embodiment is: before bagging the cement, the worker starts the adjusting cylinder 600 to control the piston rod to move, so as to adjust the angle of the aggregate bin 100, and the feeding port 110 faces the direction of the pipe orifice of the ash discharging pipe 300. Then, the cement bagging machine can be started to carry out cement bagging work.

As the cement moves into the cement bag, the push baffle 800 moves in the axial direction of the ash pipe 300, the orifice of the ash pipe 300 is opened, and the cement can fall into the cement bag through the ash pipe 300. After the cement is filled, the cement does not continuously enter the ash pipe 300 any more, and the baffle 800 slides towards the direction close to the pipe orifice of the ash pipe 300 under the action of the return spring 330, so as to shield the pipe orifice of the ash pipe 300 again.

After the cement is filled, the cement bag can be taken down. Meanwhile, the negative pressure fan 410 is started, and at the moment that the cement bag is separated from the ash discharging pipe 300, some cement remained in the ash discharging pipe 300 falls out from the pipe orifice of the ash discharging pipe 300, and the negative pressure fan 410 can extract the cement falling out from the pipe orifice of the ash discharging pipe 300 into the aggregate bin 100 through the feeding port 110 for recycling.

After a period of use, the filter screen 420 is adhered with a large amount of dust, the reciprocating cylinder 720 is started to drive the scraper 710 to slide on the filter screen 420, and the bristles of the brush 711 can scrape the dust on the filter screen 420 down into the collecting hopper 100.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a cement packagine machine's dust device which characterized in that: including collecting hopper (100) of seting up feed inlet (110), collecting hopper (100) set up on shell (200) to be located ash pipe (300) and be close to one side on ground, the mouth of pipe of feed inlet (110) towards ash pipe (300) of collecting hopper (100), be provided with negative pressure mechanism (400) that are used for extracting the dust in collecting hopper (100).

2. The dust falling device of the cement packaging machine according to claim 1, characterized in that: aggregate bin (100) are connected through universal joint (500) and shell (200) rotation, dust device is still including being used for adjusting aggregate bin (100) turned angle's adjusting cylinder (600), the cylinder body and shell (200) of adjusting cylinder (600) are articulated, the piston rod of adjusting cylinder (600) is articulated with aggregate bin (100).

3. The dust falling device of the cement packaging machine according to claim 2, characterized in that: the air suction opening (120) has been seted up on aggregate bin (100), negative pressure mechanism (400) include negative pressure fan (410) and filter screen (420) that are used for filtering the dust, negative pressure fan (410) set up on aggregate bin (100) is close to the lateral wall at air suction opening (120), and the orientation the inside of aggregate bin (100), filter screen (420) set up in negative pressure fan (410) and are close to the inside one side of aggregate bin (100), with aggregate bin (100) is close to the lateral wall connection at air suction opening (120).

4. The dust falling device of the cement packaging machine according to claim 3, characterized in that: be provided with on filter screen (420) and scrape material mechanism (700), scrape material mechanism (700) including slide scraper blade (710) of being connected with filter screen (420) and be used for driving the driving piece that scraper blade (710) slided, scraper blade (710) are connected with the lateral wall of collecting hopper (100) through the driving piece.

5. The dust falling device of the cement packaging machine according to claim 4, characterized in that: the driving piece is a reciprocating cylinder (720), the reciprocating cylinder (720) is arranged along the direction close to or far away from the air suction opening (120), the cylinder body of the reciprocating cylinder (720) is arranged on the side wall of the aggregate bin (100) close to the air suction opening (120), and the piston rod of the reciprocating cylinder (720) is connected with the scraper (710).

6. The dust falling device of the cement packaging machine according to claim 5, characterized in that: one side of the scraper blade (710) close to the filter screen (420) is provided with a brush (711), and bristles of the brush (711) are abutted against the filter screen (420).

7. The dust falling device of the cement packaging machine according to claim 1, characterized in that: dust device is still including baffle (800) that the mouth of pipe that is used for controlling ash pipe (300) opened and shut, baffle (800) set up on ash pipe (300) are close to orificial lateral wall, baffle (800) slide with ash pipe (300) are close to orificial lateral wall and are connected, and the direction of sliding is the axis direction of ash pipe (300), be provided with the piece that resets that is used for resetting baffle (800) on ash pipe (300).

8. The dust falling device of the cement packaging machine according to claim 7, characterized in that: the ash discharging pipe (300) is close to the axial direction of the ash discharging pipe (300) on the side wall of the pipe opening, a sliding groove (310) is formed, a sliding block (810) is arranged on the baffle (800), and the sliding block (810) is connected with the sliding groove (310) in a sliding mode.

9. The dust falling device of the cement packaging machine according to claim 8, characterized in that: the utility model discloses a dustproof pipe, including ash pipe (300), baffle (800), reset piece, reset spring (330), ash pipe (300) and connecting plate (320), ash pipe (300) are close to and are provided with connecting plate (320) on the orificial lateral wall, the axial of going up along ash pipe (300) on connecting plate (320) is slided and is connected with guide bar (322), guide bar (322) are kept away from ash pipe (300) orificial one side with baffle (800) and are connected, reset spring (330) cover is located on guide bar (322), reset spring's (330) one end is connected with baffle (800), and the other end is connected with connecting plate (320).

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