CN218690336U

CN218690336U - Material clearing device

Info

Publication number: CN218690336U
Application number: CN202222970874.2U
Authority: CN
Inventors: 何文莉; 张宏维
Original assignee: Jiangxi Guangming Intelligent Technology Co ltd
Current assignee: Jiangxi Guangming Intelligent Technology Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-03-24
Anticipated expiration: 2032-11-08

Abstract

The utility model discloses a clear device of expecting, including elevating system and actuating mechanism, a scraper blade with elevating system is connected, its characterized in that: the scraper plates comprise a first scraper plate and a second scraper plate, wherein the first scraper plate forms an acute included angle with the inner side wall of the feed hopper, the second scraper plate extends vertically and upwards from one end, close to the inner side wall of the feed hopper, of the first scraper plate, and the intersection of the first scraper plate and the second scraper plate forms an acute wedge shape; elevating system establishes on the feeder hopper roof just elevating system includes a lifting screw, lifting screw's lower extreme with the higher authority of first scraper blade is articulated. Clear material device, its is rational in infrastructure, the intensity rigidity of scraper blade is good, has good dustproof effect simultaneously, and the stability of scraper blade up-and-down motion is good.

Description

Material clearing device

Technical Field

The utility model relates to a clear material device belongs to coal sampling field.

Background

In the coal sampling field, need adopt the broken sample of breaker, when the breaker pan feeding, nevertheless produce a large amount of stickings easily in pan feeding mouth and pan feeding mouth below, consequently, need clear up the stickings on the loading hopper earlier before the next material loading is broken.

CN2732352Y discloses a breaker feed inlet cleaning device, it includes a cleaning plate, an additional cleaning plate and a elevating gear, the cleaning plate is a flat board, paste the inner wall setting at the feed inlet, and be connected with elevating gear, up-and-down motion under elevating gear's drive, additional cleaning plate is established in the another side of cleaning plate, and hug closely the cleaning plate, elevating gear drives the cleaning plate and descends, thereby shovels the sizing of feed inlet inside wall down, when the cleaning plate rises to reset, establish the additional cleaning plate of cleaning plate inboard and can shovel the sizing on the cleaning plate, thereby reach the mesh of clearance feed inlet. However, the lifting device is arranged on the outer wall of the feeding hole, the cleaning plate is connected to the lifting part of the lifting device in a cantilever manner, samples in the crusher are large in hardness and different in particle size, in the cleaning process, the strength and rigidity of the cleaning plate are challenged inevitably due to the cantilever connection mode of the cleaning plate, and meanwhile, the cleaning plate is a flat plate which is vertically arranged, so that the impact resistance and the bending resistance of the cleaning plate are poor, and the cleaning plate is easy to break and damage; meanwhile, dust can be generated during cleaning and overflows from the feed inlet, so that the environment is not protected.

Therefore, a material cleaning device with reasonable structure, good strength and rigidity and capable of avoiding dust overflow is the goal pursued by the technical personnel in the field.

Disclosure of Invention

The utility model aims to solve the problem that the scraper blade is the dull and stereotyped of a perpendicular setting, its bending resistance, the ability poor that shocks resistance among the current breaker feed inlet cleaning device to and elevating gear is connected with scraper blade cantilever mode and is leaded to being connected the problem that the rigidity is poor, intensity is not good.

The utility model discloses a still can lead to the excessive problem of dust when another aim at solves current breaker feed inlet cleaning device clearance.

In order to achieve the purpose of the invention, the technical scheme of the utility model is as follows: the utility model provides a clear material device, includes a elevating system and a actuating mechanism that is used for providing power, a scraper blade that is used for clearing up the feeder hopper with elevating system is connected its characterized in that: the scraper plates comprise a first scraper plate and a second scraper plate, wherein the first scraper plate forms an acute included angle with the inner side wall of the feed hopper, the second scraper plate extends vertically and upwards from one end, close to the inner side wall of the feed hopper, of the first scraper plate, and the intersection of the first scraper plate and the second scraper plate forms an acute wedge shape; elevating system establishes on the feeder hopper roof just elevating system includes a lifting screw, lifting screw's lower extreme with the higher authority of first scraper blade is articulated.

Preferably, the lifting mechanism comprises a worm connected with the driving mechanism and a worm wheel meshed with the worm, and the worm wheel is internally provided with a screw hole which is vertically arranged and connected with the lifting screw; be equipped with two engaging lugs above the first scraper blade, the both ends of an articulated shaft with the engaging lug is articulated, lifting screw's lower extreme with the articulated shaft is articulated.

In order to facilitate the adhesive to fall off from the lower surface of the first scraper, the first scraper is preferably in an arc surface shape which is concave upwards.

Preferably, the included angle between the first scraper and the second scraper is smaller than 30 degrees and larger than 12 degrees.

In order to prevent dust generated in the cleaning process from overflowing from an inlet of the feed hopper, as a preferable scheme, a baffle extending vertically upwards is arranged at the other end, opposite to the second scraper, of the first scraper, and a first opening for the baffle to move up and down is formed in a top plate of the feed hopper; when the scraper moves to the lower end, the baffle blocks the inlet of the feed hopper.

In order to stabilize the vertical movement of the baffle, it is preferable that a guide plate is arranged on the top plate of the feeding hopper, an opening two is arranged on the guide plate at a position corresponding to the opening, and the opening one and the opening two form a guide channel for the vertical movement of the baffle.

In order to prevent the scraper from moving to the upper position during the repeated cleaning process and the dust from overflowing from the inlet of the feed hopper, a dust-blocking curtain made of soft material is preferably arranged outside the baffle.

In order to improve the stability of the up-and-down movement of the scraper and improve the impact resistance of the scraper, two guide rails are preferably symmetrically arranged on two side plates of the feed hopper, and sliding grooves for the guide rails to be embedded are arranged on two corresponding side surfaces of the first scraper.

In order to automatically control the positive and negative rotation of the motor and provide the limit of the up-and-down movement of the scraper, preferably, a sleeve is arranged above the lifting screw rod, an inductor bracket is arranged at the upper and lower positions of the sleeve, and two limit inductors are arranged on the inductor bracket; and the sensing piece is arranged on the lifting screw rod, and the side surface of the sleeve is provided with a long groove for the sensing piece to extend out and move up and down.

By adopting the above technical scheme, the utility model, through the first scraper blade that sets up for a slant with the scraper blade design and the perpendicular second scraper blade that sets up, and contained angle between the two is the wedge of acute angle, it has increased substantially the intensity of scraper blade, and simultaneously, elevating system establishes the top at first scraper blade, the direct articulated first scraper blade of lower extreme, it has overcome among the prior art elevating system and has established the lateral surface at the feeder hopper, the scraper blade becomes cantilever state and is connected with elevating system and lead to its joint strength low, the not good problem of atress, it can improve joint strength and rigidity.

The utility model discloses further through setting up the baffle perpendicularly at the other end of first scraper blade, the baffle can be along with scraper blade up-and-down motion, and when the downdraft cleared up the sizing, the baffle descends and blocks the entry of feeder hopper to avoided the dust excessive, and further be equipped with the dust blocking curtain that a fixed soft materials made in the baffle outside, when making the scraper blade rise to the top, played the effect of dust blocking.

The utility model discloses further side at first scraper blade is provided with the guide rail, provides first scraper blade up-and-down motion direction, has improved the stability of its motion, has avoided the orientation of departure linear motion under the impact of sample material.

Further, the utility model discloses be equipped with inductor and response piece in elevating system's lifting screw's the outside for detect and control the upper and lower extreme position that goes up and down.

In a word, clear material device, its is rational in infrastructure, the intensity rigidity of scraper blade is good, has good dustproof effect simultaneously, and scraper blade up-and-down motion's stability is good.

Drawings

Fig. 1 is a perspective view of a material cleaning device according to the present invention;

fig. 2 is a longitudinal sectional view of the scraper of the material cleaning device of the present invention in a lowered position;

fig. 3 is a longitudinal sectional view of the scraper of the material cleaning device according to the present invention in an elevated position;

FIG. 4 is a cross-sectional view E-E of FIG. 2;

FIG. 5 isbase:Sub>A cross-sectional view A-A of FIG. 2;

FIG. 6 is an enlarged view at I of FIG. 2;

FIG. 7 is an enlarged view at II of FIG. 4;

FIG. 8 is an enlarged view at III of FIG. 3;

fig. 9 is a perspective view of a scraper of the material cleaning device of the present invention;

fig. 10 and 11 are perspective views of the scraper of the material cleaning device of the present invention at a high position and a low position respectively.

Description of reference numerals: the device comprises a driving mechanism 1, a lifting mechanism 2, a lifting screw 21, a worm wheel 22, a sleeve 23, a long groove 24 and a worm 25; the scraper blade 3, the first scraper blade 31, the second scraper blade 32, the connecting lug 33, the sliding chute 34, the reinforcing rib plate 35, the connecting plate 36, the baffle 4, the first opening 41, the guide plate 5, the second opening 51, the dust blocking curtain 6, the guide rail 7, the inductor support 81, the inductor 82, the induction sheet 83, the hinge shaft 9 and the feeding hopper 100.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings, but the scope of the present invention should not be limited by the preferred embodiments.

The material cleaning device is arranged on the feed hopper 100 of the crusher and used for cleaning the sticky material on the inner side wall of the feed hopper.

Referring to fig. 1-11, the material cleaning device of the present invention is shown in the drawings, which includes a lifting mechanism 2 and a driving mechanism 1 for providing power, the driving mechanism 1 employs a motor, a scraper 3 for cleaning the feeding hopper is connected to the lifting mechanism 2, referring to fig. 2, 3 and 9, the scraper 3 includes a first scraper 31 and a second scraper 32, the first scraper 31 and the inner side wall of the feeding hopper form an acute angle, the second scraper 32 is vertically extended from one end of the first scraper 31 close to the inner side wall of the feeding hopper, that is, the second scraper 32 is arranged to be close to the inner side wall of the feeding hopper, that is, the first scraper 31 and the second scraper 32 form an acute wedge shape; the lifting mechanism 2 is arranged on the top plate of the feed hopper 100, the lifting mechanism 2 comprises a lifting screw 21, and the lower end of the lifting screw 21 is hinged with the upper surface of the first scraper 31. The motor drives the lifting screw 21 in the lifting mechanism 2 to lift, so as to drive the scraper 3 to reciprocate up and down, thereby cleaning the sticky material on the inner side wall of the feed hopper 100. Because the utility model discloses a wedge-shaped scraper blade that the scraper blade makes up through first scraper blade 31 and second scraper blade 32, its rigidity is with slightly being higher than a vertically flat scraper blade among the prior art far away, simultaneously, because elevating system 2 establishes on the roof of feeder hopper 100, be located first scraper blade 31's top promptly, therefore, it can be directly connected with first scraper blade 31, its elevating system who has overcome among the prior art is connected with the scraper blade cantilever, leads to the problem that its joint strength is low, consequently, clear material device, have rational in infrastructure, the rigidity is good, advantage that intensity is high, shock resistance increases by a wide margin to can improve its life.

Specifically, the lifting mechanism 2 comprises a worm 25 connected with a motor and a worm wheel 22 meshed with the worm 25, a screw hole is formed in the middle of the worm wheel 22 and is vertically arranged, the lifting screw 21 is connected in the screw hole of the worm wheel 22, and the lifting screw 21 is driven to move up and down in the rotation process of the worm wheel 22; two connecting lugs 33 are arranged on the first scraper 31, two ends of a hinge shaft 9 are hinged to the connecting lugs 33, and the lower end of the lifting screw 21 is hinged to the hinge shaft 9.

Preferably, the first scraper 31 may be in the shape of a slope flat plate, but is preferably in the shape of an upwardly concave arc surface, so that the material is cleaned more effectively, and the inwardly concave arc surface is beneficial to the cleaned material to slide from the arc surface and the material to flow. A rib plate 35 is preferably provided between the upper surface of the first squeegee 31 and the second squeegee 32, so that the strength of the squeegee 3 can be further improved.

Preferably, an included angle α between the first scraper 31 and the second scraper 32 is smaller than 30 degrees and larger than 12 degrees, or an included angle between a working surface of the first scraper 31 and an inner side wall of the feeding hopper is smaller than 30 degrees and larger than 12 degrees, and the first scraper 31 and the second scraper 32 form a relatively sharp wedge shape, so that sticky materials can be cleaned conveniently.

In order to prevent the scrapers 3 from generating dust when cleaning the feed hopper and overflowing from an inlet, a baffle 4 extending vertically upwards is arranged at the other end of the first scraper 31 opposite to the second scraper 32, the baffle is fixed at the free end of the first scraper 31, a connecting plate 36 bending upwards is arranged at the free end of the first scraper 31 for convenient connection, and the baffle 4 is fixed on the connecting plate 36 through a threaded connecting piece; the top plate of the feed hopper is provided with a first opening 41 for the baffle 4 to move up and down; when the scraper 3 moves to the lower end, the baffle 4 blocks the inlet of the feed hopper, so that the dust can be prevented from overflowing from the feed inlet.

In order to stabilize the vertical movement of the baffle 4, a guide plate 5 is arranged on the top plate of the feeding hopper, an opening II 51 is arranged on the guide plate 5 corresponding to the opening I41, and the opening I41 and the opening II 51 form a guide channel for the vertical movement of the baffle 4, so that the baffle is stable and cannot swing in the movement process.

In the cleaning process, the scraper 3 needs to be lifted repeatedly for many times for cleaning, in order to prevent dust from overflowing after the scraper 3 is lifted, a dust-blocking curtain 6 is arranged on the outer side of the baffle 4, the dust-blocking curtain 6 is made of soft materials, and the upper end of the dust-blocking curtain is fixed on the top plate of the feed hopper 100.

Referring to fig. 3, 4 and 9, in order to prevent the movement of the scraper 3 from being unstable due to the impact of the binder and the bottom sample during the process of cleaning the binder by the up-and-down movement of the scraper 3, it is preferable that two guide rails 7 are symmetrically arranged on two side plates of the feeding hopper 100, and sliding grooves 34 into which the guide rails 7 are inserted are arranged on two corresponding side surfaces of the first scraper 31, so that the movement stability of the scraper 3 can be improved by the guide rails 7.

Preferably, a sleeve 23 is arranged above the lifting screw 21, an inductor bracket 81 is arranged at the upper and lower positions of the sleeve 23, and two limiting inductors 82 are arranged on the inductor bracket 81; a sensing piece 83 is arranged on the lifting screw 21, and a long groove 24 for extending and moving up and down of the sensing piece 83 is formed on the side surface of the sleeve 23. The sensor 82 provides a limit to the up and down movement of the squeegee 3 so that the motor stops at the up and down limit positions.

The foregoing description is intended to be illustrative, but not limiting, of the invention, which is directed to a material removal device, and one of ordinary skill in the art will appreciate that many modifications, variations, or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims, for example: change contained angle between first scraper blade and the second scraper blade etc. nevertheless all will fall into the protection scope of the utility model.

Claims

1. The utility model provides a clear material device, includes a elevating system and a actuating mechanism that is used for providing power, a scraper blade that is used for clearing up the feeder hopper with elevating system is connected its characterized in that: the scraper plates comprise a first scraper plate and a second scraper plate, wherein the first scraper plate forms an acute included angle with the inner side wall of the feed hopper, the second scraper plate extends vertically and upwards from one end, close to the inner side wall of the feed hopper, of the first scraper plate, and the intersection of the first scraper plate and the second scraper plate forms an acute wedge shape; elevating system establishes on the feeder hopper roof just elevating system includes a lifting screw, lifting screw's lower extreme with the higher authority of first scraper blade is articulated.

2. A material cleaning device according to claim 1, characterized in that: the lifting mechanism comprises a worm connected with the driving mechanism and a worm wheel meshed with the worm, and the worm wheel is internally provided with a screw hole which is vertically arranged and connected with the lifting screw; be equipped with two engaging lugs above the first scraper blade, the both ends of an articulated shaft with the engaging lug is articulated, lifting screw's lower extreme with the articulated shaft is articulated.

3. A material cleaning device according to claim 1, characterized in that: the first scraper is in an arc surface shape which is concave upwards.

4. A material cleaning device according to any one of claims 1-3, characterized in that: the included angle between the first scraper and the second scraper is smaller than 30 degrees and larger than 12 degrees.

5. A material cleaning device according to any one of claims 1-3, characterized in that: a baffle plate extending vertically upwards is arranged at the other end, opposite to the first scraper plate and the second scraper plate, of the first scraper plate, and a first opening for the baffle plate to move up and down is formed in a top plate of the feed hopper; when the scraper moves to the lower end, the baffle blocks the inlet of the feed hopper.

6. A material cleaning device according to claim 5, characterized in that: a guide plate is arranged on a top plate of the feeding hopper, an opening II is formed in the position, corresponding to the opening, of the guide plate, and the opening I and the opening II form a guide channel for the baffle to move up and down.

7. A material cleaning device according to claim 5, characterized in that: and a dust-blocking curtain made of soft materials is arranged on the outer side of the baffle.

8. A material cleaning device according to any one of claims 1-3, characterized in that: two guide rails are symmetrically arranged on two side plates of the feed hopper, and sliding grooves for the guide rails to be embedded into are formed in the two corresponding side faces of the first scraping plate.

9. A material cleaning device according to claim 5, characterized in that: two guide rails are symmetrically arranged on two side plates of the feed hopper, and sliding grooves for the guide rails to be embedded are formed in two corresponding side surfaces of the first scraper.

10. A material cleaning device according to claim 7, characterized in that: two guide rails are symmetrically arranged on two side plates of the feed hopper, and sliding grooves for the guide rails to be embedded are formed in two corresponding side surfaces of the first scraper.

11. A material cleaning device according to claim 2 or 3, characterized in that: a sleeve is arranged above the lifting screw, an inductor bracket is arranged at the upper position and the lower position of the sleeve, and two limiting inductors are arranged on the inductor bracket; and the sensing piece is arranged on the lifting screw rod, and the side surface of the sleeve is provided with a long groove for the sensing piece to extend out and move up and down.

12. A material cleaning device according to claim 5, characterized in that: a sleeve is arranged above the lifting screw, an inductor bracket is arranged at the upper position and the lower position of the sleeve, and two limiting inductors are arranged on the inductor bracket; and the sensing piece is arranged on the lifting screw rod, and the side surface of the sleeve is provided with a long groove for the sensing piece to extend out and move up and down.

13. A material cleaning device according to claim 7, characterized in that: a sleeve is arranged above the lifting screw, an inductor bracket is arranged at the upper position and the lower position of the sleeve, and two limiting inductors are arranged on the inductor bracket; and the sensing piece is arranged on the lifting screw rod, and the side surface of the sleeve is provided with a long groove for the sensing piece to extend out and move up and down.

14. A material cleaning device according to claim 8, characterized in that: a sleeve is arranged above the lifting screw, an inductor bracket is arranged at the upper position and the lower position of the sleeve, and two limiting inductors are arranged on the inductor bracket; and the sensing piece is arranged on the lifting screw rod, and the side surface of the sleeve is provided with a long groove for the sensing piece to extend out and move up and down.