CN211563275U - Pulverizer with automatic sundry discharging device - Google Patents

Abstract

The utility model relates to a rubbing crusher with automatic eduction gear of debris belongs to the technical field of fodder grinding device, and it includes the rubbing crusher body, rubbing crusher body top intercommunication has ejection of compact pipeline, rubbing crusher body lateral wall bottom still intercommunication has the air inlet pipeline, rubbing crusher body side still is provided with the second pipeline that is linked together with the rubbing crusher body, second pipeline other end intercommunication has vertical pipeline, vertical pipeline bottom fixedly connected with flange, it is connected with the apron to rotate on the border of flange, vertical pipeline below still is provided with the control assembly of the automatic switching of control apron. The utility model discloses have the effect that the convenience was discharged impurity.

Description

Pulverizer with automatic sundry discharging device

Technical Field

The utility model belongs to the technical field of the technique of fodder grinding device and specifically relates to a rubbing crusher with automatic eduction gear of debris is related to.

Background

The micronizer is a device which achieves the purpose of finished products by mechanical pulverization and mutual impact of gas. The method is widely applied to processing high-fineness powder such as pesticide, fire-fighting medicament, medicine, dye, copying toner, powder coating, mica, carbon black, diatomite, bentonite, kaolin, grain, feed, daily cosmetics and the like.

As shown in fig. 1, the existing pulverizer includes a base 1, a pulverizer body 3 is provided on the base 1, a feeding device 4 is provided on the side surface of the pulverizer body 3, a discharge pipe 6 communicated with the pulverizer body 3 is further provided on the top surface of the pulverizer body 3, a large-scale air draft device (prior art, not shown in the figure) is connected to the top end of the discharge pipe 6, and an air intake pipe 7 is further provided at the bottom end of the side wall of the pulverizer.

Feed arrangement 4 is including setting up a pair of backup pad 411 in the outside lateral wall bottom of miropowder machine body 3, keep away from the upper boundary fixedly connected with fixed plate 412 of miropowder machine body 3 one end at backup pad 411, fixedly connected with feeding tank 43 on fixed plate 412, upper shed department at feeding tank 43 is connected with feed hopper 44, lower boundary department at feeding tank 43 lateral wall is provided with first pipeline 45 and is linked together with feeding tank 43, the other end at first pipeline 45 is connected with vertical pipeline 46, it is linked together with miropowder machine body 3 to be provided with second pipeline 47 on vertical pipeline 46's lateral wall. An auger 42 driven by a second motor 51 is provided in the feed tank 43 and the first pipe 45. When throwing material to the internal portion of miropowder machine body 3, the fodder can get into in feed tank 43 along feed hopper 44, get into the inside fodder of feed tank 43 and can get into vertical pipeline 46 under auger 42's promotion, because updraft ventilator carries out convulsions in ejection of compact pipeline 6 always, the position of intake stack 7 can be to the inside air inlet of miropowder machine body 3, so the internal portion of miropowder machine body is in the state of gas flow, because the big local pressure of gas flow velocity is little, so the fodder that is located vertical pipeline 46 can discharge to the inside of miropowder machine body 3 under the effect of pressure.

Because probably there is the great impurity of quality in the fodder, the effect of pressure is not enough to discharge it to miropowder machine body 3 inside, so impurity can fall on vertical pipeline 46's bottom, and vertical pipeline 46's bottom is mostly through bolt fixedly connected with apron 463 among the prior art, when vertical pipeline 46 is inside to be covered with impurity, need unscrew the bolt and just can discharge impurity, and its operation process is comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a rubbing crusher with automatic eduction gear of debris, it has the effect that conveniently discharges impurity.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a rubbing crusher with automatic eduction gear of debris, includes the rubbing crusher body, rubbing crusher body top intercommunication has ejection of compact pipeline, rubbing crusher body lateral wall bottom still intercommunication has the intake stack, rubbing crusher body side still is provided with the second pipeline that is linked together with the rubbing crusher body, second pipeline other end intercommunication has vertical pipeline, its characterized in that: the bottom of the vertical pipeline is fixedly connected with a flange, a cover plate is rotatably connected to the boundary of the flange, and a control assembly for controlling the cover plate to be automatically opened and closed is further arranged below the vertical pipeline.

Through adopting above-mentioned technical scheme, when the fodder conveying was during to vertical pipeline, because updraft ventilator carries out convulsions always in ejection of compact pipeline, the position of intake stack can be to the inside air inlet of miropowder machine body, so this internal portion of miropowder machine is in the state of gas flow, because the local pressure that the gas flow rate is big is little, so the inside fodder that is located vertical pipeline can discharge to the inside of miropowder machine body under the effect of pressure, impurity in the fodder is because the great meeting of quality falls on the apron of vertical pipeline bottom, fall on the back on the apron when impurity, along with impurity increases gradually, control assembly can make the apron rotate downwards, thereby can discharge the inside impurity of vertical pipeline.

The present invention may be further configured in a preferred embodiment as: the control assembly comprises a screw fixedly connected to the bottom side of the cover plate, and a balancing weight penetrates through the screw.

Through adopting above-mentioned technical scheme, when the impurity of apron top is gradual increase when many, the gravity of balancing weight can be overcome to impurity for the apron rotates downwards, thereby realizes the emission to impurity, and after vertical pipeline inside impurity emission was finished, the apron can upwards rotate under the effect of balancing weight and return the original place.

The present invention may be further configured in a preferred embodiment as: the balancing weight is positioned on one side of the cover plate rotatably connected with the flange.

By adopting the technical scheme, when impurities fall on the cover plate, downward pressure is applied to the cover plate, so that one end of the cover plate, which is not connected with the flange, tends to rotate downwards, and the cover plate tends to rotate towards the direction of the rotary connection of the cover plate and the flange; the balancing weight is arranged on the cover plate, one end of the balancing weight is connected with the flange in a rotating mode, and the pressure of part of impurities on the cover plate can be offset, so that the cover plate can automatically rotate downwards when the impurities are more, and automatic discharge of the impurities is achieved.

The present invention may be further configured in a preferred embodiment as: relative movement can occur between the counterweight and the screw.

By adopting the technical scheme, the counter weight blocks are positioned at different positions of the screw rod, the bearing capacity of the cover plate to impurities can be adjusted, and when the counter weight blocks are positioned at one end, far away from the vertical pipeline, of the screw rod, the bearing capacity of the cover plate is larger; when the balancing weight is located on the screw rod and is close to one end of the vertical pipeline, the bearing capacity of the cover plate is smaller.

The present invention may be further configured in a preferred embodiment as: and nuts in threaded connection with the screw rods are arranged on the two sides of the screw rods, which are positioned on the balancing weights.

Through adopting above-mentioned technical scheme, when the position of balancing weight needs to be adjusted, can realize through revolving the nut of twisting on the screw rod.

The present invention may be further configured in a preferred embodiment as: and a collecting tank is arranged below the vertical pipeline.

Through adopting above-mentioned technical scheme, the inside exhaust impurity of vertical pipeline can fall inside the collecting pit to can avoid impurity directly to fall on workshop subaerial.

The present invention may be further configured in a preferred embodiment as: and a sealing gasket is fixedly connected to the side surface of the flange, which is in contact with the cover plate.

Through adopting above-mentioned technical scheme, because only contact each other between flange and the apron, so probably there is the clearance between the two, when carrying the fodder, less fodder granule may fly away to the external world of vertical pipeline along the clearance between the two, through setting up sealed the pad, can play the effect sealed in clearance between the two.

The present invention may be further configured in a preferred embodiment as: the control assembly comprises a second connecting plate fixedly connected to the side wall of the vertical pipeline, the boundary of the cover plate is also provided with the second connecting plate, and a spring is connected between the two second connecting plates.

Through adopting above-mentioned technical scheme, when impurity on the apron is more, the spring can be overcome to impurity pulling force to the apron to can press and move the apron and remove downwards, thereby realize discharging impurity, after the inside impurity of vertical pipeline discharges, the apron can upwards rotate and return to the original place because the pulling force of spring.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the feed is conveyed to the vertical pipeline, the air draft device in the discharge pipeline always conducts air draft, air enters the air inlet pipeline from the position of the air inlet pipeline to the inside of the micro-pulverizer body, so that the inside of the micro-pulverizer body is in a gas circulation state, the pressure is small in a place with a large gas flow velocity, the feed positioned in the vertical pipeline can be discharged into the micro-pulverizer body under the action of the pressure, impurities in the feed can fall on the cover plate at the bottom of the vertical pipeline due to large mass, and after the impurities fall on the cover plate, the impurities can overcome the gravity of the balancing weight along with the gradual increase of the impurities, so that the cover plate rotates downwards, the impurities in the vertical pipeline can be discharged, and the effect of facilitating the discharge of the impurities is achieved;

2. can realize adjusting and controlling the quality of storage impurity on the apron through making the balancing weight can move on the screw rod.

Drawings

Fig. 1 is a schematic structural diagram of the background art.

FIG. 2 is a schematic view of the overall structure of the exterior of a first micronizer of the embodiment.

Fig. 3 is a schematic structural diagram of a feeding device and a second driving assembly according to a first embodiment.

FIG. 4 is a schematic structural diagram of a feeding device and a control assembly according to one embodiment.

Fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.

FIG. 6 is a schematic diagram of a vertical pipe and a control assembly according to one embodiment.

FIG. 7 is a schematic view showing the structure between the grinding block and the grinding tooth according to one embodiment.

FIG. 8 is a schematic view of the structure of a body of a micronizer in accordance with one embodiment.

Fig. 9 is a partially enlarged schematic view of a portion B in fig. 8.

Fig. 10 is a schematic structural view showing a vertical pipe and a control assembly in the second embodiment.

In the figure, 1, a base; 2. a first drive assembly; 21. a first motor; 22. a first transmission mechanism; 221. a first drive wheel; 222. a first driven wheel; 223. a first belt; 3. a micronizer body; 31. a housing; 311. reinforcing ribs; 312. a door panel; 32. a connecting shaft; 33. a centrifugal turntable; 331. grinding blocks; 332. grinding teeth; 34. grinding the teeth; 35. a cylinder; 36. a first connecting plate; 37. a winnowing device; 371. a third motor; 372. a wind wheel; 38. a bearing plate; 4. a feeding device; 41. a collection tank; 411. a support plate; 412. a fixing plate; 413. a collection plate; 414. a sealing plate; 42. a packing auger; 43. a feed tank; 44. a feed hopper; 45. a first conduit; 46. a vertical pipe; 461. a trash discharge port; 462. a flange; 463. a cover plate; 464. a gasket; 47. a second conduit; 5. a second drive assembly; 51. a second motor; 52. a second transmission mechanism; 521. a second drive wheel; 522. a second driven wheel; 523. a second belt; 6. a discharge pipeline; 7. an air inlet pipeline; 8. a control component; 81. a screw; 82. a balancing weight; 83. a nut; 84. a second connecting plate; 85. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 2, for the utility model discloses a micronizer with automatic sundries discharging device, including base 1, be provided with first drive assembly 2 on base 1, first drive assembly 2 includes fixed connection at the first motor 21 of base 1 upper surface, the inside of base 1 is the cavity, is provided with the first drive mechanism 22 (refer to fig. 8) of connection on first motor 21 among the cavity of base 1. Still be provided with the miropowder machine body 3 on the upper surface of base 1, still be provided with the feed arrangement 4 that is linked together with miropowder machine body 3 and set up the ejection of compact pipeline 6 on the 3 tops of miropowder machine body 3 outside lateral wall, be connected with large-scale updraft ventilator at the end connection of ejection of compact pipeline 6 (this updraft ventilator is prior art, not drawn in the figure). Still be provided with air inlet pipe 7 in the bottom of 3 lateral walls of micron mill body, the vertical upwards setting of air inlet pipe 7 other end.

As shown in fig. 2 and 3, the feeding device 4 comprises a pair of supporting plates 411 arranged at the bottom end of the outer side wall of the pulverizer body 3, an upper boundary fixedly connected with fixing plate 412 far away from one end of the pulverizer body 3 is arranged on the supporting plates 411, a feeding pool 43 is fixedly connected on the fixing plate 412, a feeding funnel 44 is connected at the upper opening of the feeding pool 43, a first pipeline 45 communicated with the feeding pool 43 is arranged at the lower boundary of the side wall of the feeding pool 43, a vertical pipeline 46 is connected at the other end of the first pipeline 45, and a second pipeline 47 communicated with the pulverizer body 3 is arranged on the side wall of the vertical pipeline 46.

As shown in fig. 3 and 4, an auger 42 is disposed at the bottom of the feeding tank 43 and inside the first pipe 45, and a second driving assembly 5 for driving the auger 42 to rotate is disposed outside the feeding tank 43. The second driving assembly 5 comprises a second motor 51 fixedly connected to the upper surface of the supporting plate 411, and a second transmission mechanism 52 fixedly connected to the second motor 51 and connected to the packing auger 42. The second transmission mechanism 52 comprises a second driving wheel 521 connected to the second motor 51 and a second driven wheel 522 connected to the packing auger 42, and the second driving wheel 521 and the packing auger 42 are connected through a second belt 523.

When carrying the fodder to the internal portion of micron mill body 3, at first put in feed hopper 44 with the fodder, then the fodder can get into feed tank 43, owing to be provided with the auger 42 of intercommunication in first pipeline 45 inside at feed tank 43 bottom, so the fodder can be carried to vertical pipeline 46 by auger 42 under the drive of second drive assembly 5, and then get into among the second pipeline 47. Because the discharge pipeline 6 on the top of the micro-powder machine body 3 always draws air towards the outside, and the air inlet pipeline 7 is arranged at the bottom of the micro-powder machine body 3, the inside of the micro-powder machine body 3 is always in a gas circulation state, and the pressure intensity is small on the contrary due to the fast gas flow rate, so that the position of the second pipeline 47 inside the micro-powder machine body 3 is always in a negative pressure state, and the feed inside the vertical pipeline 46 moves towards the place with smaller pressure intensity, so that the feed can be discharged to the inside of the micro-powder machine body 3.

As shown in figures 4 and 5, since there are some heavier impurities in the feed, when the feed is conveyed by auger 42 into vertical conduit 46, the feed is separated from the impurities, the lighter feed is drawn along second conduit 47 into the interior of the micronizer body 3, and the heavier impurities fall to the bottom of vertical conduit 46. In order to discharge the impurities in the vertical pipe 46, a discharge port 461 is opened at the bottom of the vertical pipe 46, a flange 462 is arranged at the boundary of the discharge port 461, a cover 463 with a circular boundary flush with the flange 462 is further arranged at the discharge port 461 of the vertical pipe 46, the cover 463 is rotatably connected with the flange 462, and a control assembly 8 for controlling the cover 463 to open and close is further arranged at the end of the vertical pipe 46.

As shown in fig. 6, the control assembly 8 includes a screw 81 fixedly connected to a side of the cover 463 rotatably connected to the flange 462 on the cover 463, a weight 82 is inserted into the screw 81, and nuts 83 are respectively screwed on both sides of the weight 82 on the screw 81. When the impurities in the vertical pipe 46 are enough to overcome the weight of the weight block 82, the cover plate 463 is rotated downward, thereby automatically discharging the impurities. The counter weight 82 is controlled to be positioned at different positions of the screw 81 by screwing the nut 83, so that the bearing capacity of the cover plate 463 for impurities can be adjusted, and when the counter weight 82 is far away from the vertical pipeline 46, the bearing capacity of the cover plate 463 for impurities is larger, so that more impurities are stored; when the weight 82 is closer to the vertical pipe 46, the bearing capacity of the cover plate 463 is weaker, so that less impurities are stored.

In order to collect the discharged impurities and avoid the impurities from being directly discharged to the floor of the workshop, it is determined that the vertical pipe 46 is located in the upper area between the two support plates 411, a collecting plate 413 is arranged at the lower boundary of the two support plates 411 to connect the two support plates 411, and a sealing plate 414 is arranged at one end of the two support plates 411 far away from the pulverizer body 3 to seal (refer to fig. 3), so that a collecting tank 41 with an open top surface can be formed, and the impurities can fall into the collecting tank 41 to be collected when being discharged from the position of the cover plate 463.

Referring to fig. 5, since there may be a gap between the flange 462 and the cover 463, fine fodder particles may be scattered to the outside through the gap during operation, and a sealing gasket 464 is fixedly attached to a surface of the flange 462 contacting the cover 463.

As shown in fig. 7 and 8, the micronizer body 3 includes a housing 31 fixedly connected to the upper surface of the base 1, a centrifugal turntable 33 connected to the first transmission mechanism 22 through a connecting shaft 32 is arranged at the lowest end inside the housing 31, a gap for gas to flow is arranged between the centrifugal turntable 33 and the side wall of the housing 31, a plurality of grinding blocks 331 uniformly distributed are fixedly connected to the boundary of the centrifugal turntable 33, a circle of grinding teeth 34 is arranged on the side wall of the housing 31 corresponding to the grinding blocks 331, grinding teeth 332 are arranged on the side surface of the grinding blocks 331 opposite to the grinding teeth 34, and the grinding teeth 332 on the grinding blocks 331 protrude out of the boundary of the centrifugal turntable 33.

As shown in fig. 8 and 9, the first transmission mechanism 22 includes a first driving pulley 221 fixedly connected to the output end of the first motor 21 and a first driven pulley 222 located below the centrifugal turntable 33 inside the housing 31, and the first driving pulley and the first driven pulley are connected by a first belt 223. When the larger fodder falls into the gap between the grinding teeth 34 and the centrifugal turntable 33, the grinding block 331 and the grinding teeth 34 will grind the fodder fully during the rotation of the centrifugal turntable 33. When the feed falls in the middle area of the centrifugal turntable 33, the feed is thrown to the gap between the centrifugal turntable 33 and the grinding teeth 34 due to the rapid rotation of the centrifugal turntable 33, so that the larger feed is ground.

A circular ring-shaped receiving plate 38 is fixedly arranged on the inner wall of the shell 31 at the lower side of the grinding teeth 34 and the centrifugal turntable 33, and when feed enters the gap between the centrifugal turntable 33 and the grinding teeth 34, the feed can fall down on the receiving plate 38, so that the feed can be prevented from directly falling on the bottom of the shell 31. Gaps are reserved between the bearing plate 38 and the grinding teeth 34 and between the bearing plate and the centrifugal turntable 33, so that the circulation of gas can be ensured.

The inner part of the pulverizer also comprises an iron cylinder 35 arranged above the centrifugal turntable 33, and a plurality of first connecting plates 36 are welded on the side wall of the cylinder 35 and are fixedly connected with the inner wall of the shell 31. The winnowing device 37 for screening the thickness of the feed is further arranged above the cylinder 35, the winnowing device 37 comprises a third motor 371 fixedly connected to the top of the shell 31, the third motor 371 extends into the shell 31, a wind wheel 372 for screening the feed is connected inside the shell 31, and the wind wheel 372 is composed of a plurality of fan blades which are closely arranged.

When the fodder in the second pipeline 47 enters the shell 31, the fodder moves upwards along the airflow, and when the fodder moves to the position of the wind wheel 372, because the wind wheel 372 rotates rapidly, the fodder with smaller particles can move to the discharge pipeline 6 along the gaps between the fan blades in the wind wheel 372 for collection; the fodder is bigger can be beaten by fast rotatory wind wheel 372 and falls to centrifugal carousel 33 or in the gap between centrifugal carousel 33 and the grinding tooth 34 in the fodder, because centrifugal carousel 33 is fast rotatory always, the fodder that falls in the gap can be ground by grinding piece 331 and grinding tooth 34, the bold fodder that falls on centrifugal carousel 33 also can be thrown off during centrifugal carousel 33 fast rotation because of centrifugal action among the gap between centrifugal carousel 33 and grinding tooth 34, then grind, the fritter fodder that grinds the end can continue upwards to move under the effect of air current, then move to the position of wind wheel 372 and carry out the selection by winnowing once more, the granule is bigger still can be beaten again and grind, thereby can play the effect of fully grinding.

Referring to fig. 2, a single longitudinal rib 311 is provided on the outer wall of the housing 31 at a position facing the grinding teeth 34 inside the housing 31, and since the positions of the grinding teeth 34 on the inner wall of the housing 31 are in a state of grinding the fodder for a long period of time, there is a possibility that abrasion may occur, and the positions of the grinding teeth 34 on the housing 31 can be reinforced by providing the facing ribs 311 on the outer wall. A door opening for maintaining and replacing the grinding block 331 is formed in the outer wall of the shell 31, a door plate 312 is hinged to the boundary of the door opening, and when the grinding block 331 is damaged, the grinding block 331 can be replaced by opening the door plate 312.

The implementation principle of the embodiment is as follows: firstly, the feed is put in from the feeding funnel 44, the feed enters the feeding tank 43, the feed entering the feeding tank 43 is conveyed to the vertical pipeline 46 under the driving of the packing auger 42, the discharging pipeline 6 is arranged at the top end of the shell 31, the end part of the discharging pipeline 6 is connected with the large-scale air draft device, the air inlet pipeline 7 is also connected to the bottom of the shell 31, the interior of the shell 31 is always in a gas circulation state, and the area pressure with high gas flow speed is small, so the feed enters the interior of the shell 31 under the action of the pressure after entering the vertical pipeline 46.

When the fodder is carried to vertical pipeline 46 in, the great impurity of quality can fall in vertical pipeline 46's bottom in the fodder, and when the impurity quality of vertical pipeline 46 bottom is great, can press and move apron 463 and rotate downwards, and the impurity of apron 463 upside can follow apron 463 and slide down to the collecting pit 41 in, after impurity discharge vertical pipeline 46, apron 463 can upwards rotate under the effect of balancing weight 82, realizes sealing up row miscellaneous mouthful 461.

Get into the inside fodder of casing 31 and can upwards move to the position of wind wheel 372 under the effect of air current, because wind wheel 372 is in the state of fast rotation always, so the less fodder of granule can be on wind wheel 372 in the gap between the adjacent flabellum removes to ejection of compact pipeline 6, the great fodder of granule can be beaten by fast rotation's wind wheel 372 and fall to centrifugal carousel 33 on, because centrifugal carousel 33 is in fast rotation's state always, so the fodder can be thrown away and grind among the gap between centrifugal carousel 33 and grinding tooth 34 under centrifugal effect, the fodder of grinding the end can continue rebound under the effect of air current, the fodder that moves to wind wheel 372 position can be screened once more, the great fodder of granule can also be beaten by wind wheel 372 and fall and grind, this process can be more abundant to the grinding of fodder through repetition many times.

Example two: as shown in FIG. 10, a pulverizer with an automatic impurity discharging device is different from the first embodiment in that a control unit 8 includes a pair of second connection plates 84, one of which is fixedly connected to a side wall of a vertical pipe 46, the other of which is fixedly connected to a boundary of a cover 463 away from a pivotal connection with a flange 462, and a spring 85 is connected between the pair of second connection plates 84.

The implementation principle of the embodiment is as follows: when the fodder is conveyed into the vertical pipeline 46, impurities in the fodder can fall on the cover plate 463 at the bottom of the vertical pipeline 46 due to large mass, and when the impurities are large, the impurities can overcome the pulling force of the spring 85 on the cover plate 463, so that the cover plate 463 rotates downwards, and the impurities are discharged; when the discharge of the impurities is finished, the spring 85 pulls the cover plate 463 to rotate upwards to seal the impurity discharge port 461.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a rubbing crusher with automatic eduction gear of debris, includes rubbing crusher body (3), rubbing crusher body (3) top intercommunication has ejection of compact pipeline (6), rubbing crusher body (3) lateral wall bottom still communicates intake stack (7), rubbing crusher body (3) side still is provided with second pipeline (47) that are linked together with rubbing crusher body (3), second pipeline (47) other end intercommunication has vertical pipeline (46), its characterized in that: the bottom of the vertical pipeline (46) is fixedly connected with a flange (462), the boundary of the flange (462) is rotatably connected with a cover plate (463), and a control assembly (8) for controlling the cover plate (463) to be automatically opened and closed is further arranged below the vertical pipeline (46).

2. The pulverizer with the automatic sundry discharging device according to claim 1, wherein: the control component (8) comprises a screw rod (81) fixedly connected to the bottom side of the cover plate (463), and a balancing weight (82) penetrates through the screw rod (81).

3. The pulverizer with the automatic sundry discharging device according to claim 2, wherein: the counterweight (82) is positioned on one side of the cover plate (463) which is rotatably connected with the flange (462).

4. The pulverizer with the automatic sundry discharging device according to claim 2, wherein: the counterweight block (82) and the screw rod (81) can move relatively.

5. The pulverizer with the automatic sundry discharging device according to claim 4, wherein: and nuts (83) in threaded connection with the screw rod (81) are arranged on the screw rod (81) and positioned on two sides of the balancing weight (82).

6. The pulverizer with the automatic sundry discharging device according to claim 1, wherein: a collecting tank (41) is arranged below the vertical pipeline (46).

7. The pulverizer with the automatic sundry discharging device according to claim 1, wherein: and a sealing gasket (464) is fixedly connected to the side surface of the flange (462) which is in contact with the cover plate (463).

8. The pulverizer with the automatic sundry discharging device according to claim 1, wherein: the control assembly (8) comprises a second connecting plate (84) fixedly connected to the side wall of the vertical pipeline (46), the second connecting plate (84) is also arranged on the boundary of the cover plate (463), and a spring (85) is connected between the two second connecting plates (84).

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