CN216459341U - Dustproof doffer in flour mill - Google Patents

Abstract

The application discloses a dustproof blanking device in a flour mill, which comprises a collecting hopper, a flange and a blanking barrel, and is characterized in that the bottom of the collecting hopper is fixedly connected with the top of the blanking barrel through the flange, a blanking cavity with an opening towards one side close to the ground is arranged in the blanking barrel, in the embodiment of the dustproof blanking device in the flour mill, the gravitational potential energy of materials falling to the blanking cavity is reduced through a buffer mechanism, the materials fall out from the opening at the bottom of the blanking cavity along with the rotation of a rotating wheel after falling between two adjacent partition plates, the falling speed of the materials can be relieved through the mode, the dust during material discharge is effectively reduced, in the process, a material pressing mechanism extrudes the materials through an extrusion arc-shaped plate, a telescopic curved plate and a fixed plate at the positions of the arc-shaped sections of the two fixed plates to improve the density of the materials, and the materials are not loose, thereby greatly reducing the dust when the material falls and effectively improving the production environment.

Description

Dustproof doffer in flour mill

Technical Field

The utility model relates to the technical field of pulverizers, in particular to a dustproof blanking device in a pulverizer.

Background

The process of changing small particle materials into powder materials by external force is called crushing or grinding, and is called grinding for short. The mechanical grinding machine is widely applied to industries such as chemical industry, mine, steel, thermal power, coal and the like, and the specific grinding equipment comprises: raymond mill, high-fineness pulverizer, high-pressure micronizer, and high-pressure suspension roller mill.

The phenomenon that there is a large amount of dust in current cornmill or flour mill ejection of compact in-process, very big harm staff's healthy, traditional dust fall means adopts modes such as reducing blanking height, external dust collecting equipment mostly, though the solution blanking raise dust problem that can the certain degree, but the demand to production environment can't be satisfied to whole effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problems in the prior art.

The application provides a dustproof blanking device in a pulverizer, which can reduce dust emission in the discharging process and has reliable performance, and comprises a collecting hopper, a flange and a blanking barrel, it is characterized in that the bottom of the collecting hopper is fixedly connected with the top of the blanking barrel through a flange, a blanking cavity with an opening towards one side close to the ground is arranged in the blanking barrel, two fixing plates are symmetrically and fixedly arranged between the inner walls of two opposite sides of the blanking cavity, one side of each fixing plate, far away from the ground, is provided with a buffer mechanism, the buffer mechanism comprises a buffer bucket which elastically ascends and descends at one side of the fixed plate far away from the ground, a material conveying mechanism is arranged between the two fixed plates, the material conveying mechanism comprises a rotating wheel which is rotatably arranged between the inner walls of two opposite sides of the blanking cavity and is positioned between two fixed plates, a plurality of partition plates are fixedly arranged on the rotating wheel in an annular array, and a material pressing mechanism is arranged between every two adjacent partition plates.

The top of the collecting hopper is symmetrical and is provided with two decompression pipes in a through mode, a decompression door is arranged in the decompression pipe, and the pressure inside the collecting hopper can be controlled by opening and closing the decompression door.

The buffering fill slides and sets up in the blanking intracavity, the buffering fill comprises four curb plates and open-top is greater than the bottom opening, and its bottom opening is less than the distance between two fixed plates.

Buffer gear is still including setting up the cushion chamber in the fixed plate, the slip of cushion chamber is equipped with the slider, the fixed buffer spring that is equipped with between slider bottom and the cushion chamber diapire, the fixed slide bar that is equipped with in slider top, the slide bar is kept away from a slider side and is extended to the blanking intracavity and correspond side end face fixed connection with the buffering fill, be equipped with in the fixed plate and be located the slot that corresponds position cushion chamber and be close to rotating wheel one side, the buffering fill corresponds position department and fixes being equipped with two dust barriers near two slots on being close to ground side end face, the dust barrier slides and sets up in corresponding position slot.

Fortune material mechanism is still including fixed two fender dishes that set up on rotating the relative both sides terminal surface of wheel respectively, the fixed plate is close to fender dish a side end face and is equipped with the circular arc section, keep off a set excircle terminal surface and just contradict with both sides fixed plate circular arc section terminal surface, the length of rotating the wheel is greater than the buffering and fights bottom opening length, the baffle includes that the annular array sets up five on rotating the wheel, the baffle is kept away from and is rotated a wheel side and keeps off a set excircle terminal surface parallel and level and both sides terminal surface respectively with corresponding position fender dish fixed connection.

The blanking barrel is fixedly provided with a motor on the end face of one side of the length direction of the rotating wheel, the motor is provided with a power shaft close to the side end of the blanking cavity, one side end of the power shaft, far away from the motor, extends into the blanking cavity and is connected with the inner wall of the blanking cavity, far away from one side of the motor, in a rotating mode, the rotating wheel and the blocking disc are fixedly arranged on the power shaft.

Swager constructs including the embedding setting in the rotation wheel excircle terminal surface and be located the electric putter between two adjacent baffles, electric putter stretches out the fixed extrusion arc that is equipped with on the end side end face, the extrusion arc is equipped with two arc chambeies in the same direction as, on the anticlockwise terminal surface respectively, it is equipped with flexible bent plate to slide in the arc chamber, flexible bent plate is close to corresponding position electric putter one side end and arc chamber and is close to corresponding fixed adaptation spring that is equipped with between position electric putter one side inner wall.

The end faces of two sides of the length direction of the extrusion arc-shaped plate are respectively connected with the corresponding side end faces of the two baffle discs in a sliding mode, the clockwise end face and the anticlockwise end face of the partition plate are respectively provided with two stroke grooves, and the telescopic bent plate slides in the stroke grooves at the corresponding positions under the elastic action of the adaptive spring.

The blanking section of thick bamboo outside is equipped with dust removal mechanism, dust removal mechanism is including the fixed fan that sets up on blanking section of thick bamboo side end face, the blanking section of thick bamboo is close to and fixedly is equipped with the filter on the fan side end face, the fan induced draft end and the filter are given vent to anger and are provided with first pipeline between the end, the filter is breathed in and is served and fixedly be equipped with the second pipeline, the second pipeline is kept away from a side end of filter and is extended to and be close to rotation wheel side end face parallel and level with corresponding position fixed plate, the position that sets up of second pipeline is for rotating wheel bottom speed tangential direction and to be in order avoiding producing the blanking process and interfere.

Adopt foretell dustproof doffer in flour mill, the buffering fill through elasticity goes up and down cushions the material that falls, reduces the gravitational potential energy behind the material whereabouts to the blanking chamber, follow the material that the buffering fill falls piles up to between two adjacent baffles and along with the rotation of rotating the wheel falls out from blanking chamber bottom opening part, can relieve material falling speed through above-mentioned mode, effectual dust when reducing the material and discharging, trigger when this in-process electric putter rotates to two fixed plate circular arc section positions and start a flexible cycle, thereby extrude its density through this position extrusion arc, flexible bent plate and fixed plate to the material that corresponds in two baffles in the position, because the material is no longer loose, thereby dust when the material drops will greatly reduced, effectively improve and improve the production environment.

The advantageous effects of the present invention will be explained in detail in the embodiments, thereby making the advantageous effects more apparent.

Drawings

FIG. 1 is a schematic view of a specific structure of a dustproof blanking device in a pulverizer according to an embodiment of the present application;

FIG. 2 is a schematic side sectional view of the blanking barrel 11;

FIG. 3 is an enlarged schematic structural view of a "pressing mechanism" part;

fig. 4 is a schematic structural view of the "buffer hopper 17".

Reference numerals

The device comprises a blanking barrel-11, a blanking cavity-12, a flange-13, a decompression pipe-14, a collecting hopper-15, a dust-proof plate-16, a buffer hopper-17, a slide rod-18, a buffer cavity-19, a buffer spring-20, a rotating wheel-21, a partition plate-22, an electric push rod-23, a baffle disc-24, a second pipeline-25, a filter-26, a fixed plate-27, a first pipeline-28, a slot-29, a fan-30, a motor-31, an extrusion arc-shaped plate-32, a power shaft-33, an arc-shaped cavity-34, a stroke groove-35, a telescopic bent plate-36, an adaptive spring-37 and a slide block-38.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The server provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Example 1:

as shown in fig. 1-4, the embodiment of the present application provides a dustproof blanking device in a pulverizer, which includes a collecting hopper 15, a flange 13, and a blanking barrel 11, and is characterized in that the bottom of the collecting hopper 15 is fixedly connected to the top of the blanking barrel 11 through the flange 13, a blanking chamber 12 with an opening toward one side close to the ground is provided in the blanking barrel 11, two fixing plates 27 are symmetrically and fixedly provided between the inner walls of two opposite sides of the blanking chamber 12, a buffering mechanism is provided on one side of the fixing plate 27 away from the ground, the buffering mechanism includes a buffering hopper 17 that elastically lifts on one side of the fixing plate 27 away from the ground, a material transporting mechanism is provided between the two fixing plates 27, the material transporting mechanism includes a rotating wheel 21 that is rotatably provided between the inner walls of two opposite sides of the blanking chamber 12 and is located between the two fixing plates 27, an annular array is provided on the rotating wheel 21 and a plurality of partition plates 22 are fixedly provided, a material pressing mechanism is arranged between two adjacent partition plates 22.

The top of the collecting hopper 15 is symmetrically provided with two decompression pipes 14 in a penetrating manner, a decompression door is arranged in each decompression pipe 14, and the pressure inside the collecting hopper 15 can be controlled by opening and closing the decompression door.

The buffering hopper 17 is arranged in the blanking cavity 12 in a sliding mode, the buffering hopper 17 is composed of four side plates, the top opening of the buffering hopper is larger than the bottom opening of the buffering hopper, and the bottom opening of the buffering hopper is smaller than the distance between the two fixing plates 27.

Buffer gear is still including setting up the cushion chamber 19 in fixed plate 27, it is equipped with slider 38 to slide in the cushion chamber 19, the fixed buffer spring 20 that is equipped with between slider 38 bottom and the cushion chamber 19 diapire, the fixed slide bar 18 that is equipped with in slider 38 top, slide bar 18 keeps away from slider 38 one side end and extends to in blanking chamber 12 and with the corresponding side end fixed connection of buffering fill 17, be equipped with in the fixed plate 27 and be located the slot 29 that corresponds position cushion chamber 19 and be close to runner 21 one side, buffering fill 17 is close to on the terminal surface of ground one side and corresponds position department with two slots 29 and fixedly be equipped with two dust barriers 16, dust barriers 16 slides and sets up in corresponding position slot 29.

In the embodiment of the application, adopt foretell dustproof doffer in flour mill, when the material falls into blanking chamber 12 from collecting fill 15 in, buffering fill 17 will cushion the material that falls down, slider 38 slides in cushion chamber 19 under the impact of material to buffering fill 17, buffer spring 20 compresses, can reduce the gravitational potential energy behind blanking chamber 12 of material whereabouts through above-mentioned mode to reduce the impact when falling out in blanking chamber 12 of material, and then reduce the dust that the material impact caused.

Example 2:

in this embodiment, except including the structural feature of aforementioned embodiment, fortune material mechanism is still including fixed two fender dishes 24 that set up respectively on rotating wheel 21 relative both sides terminal surface, fixed plate 27 is close to fender dish 24 side end face and is equipped with the circular arc section, keep off 24 excircle terminal surfaces of dish and just contradict with 27 circular arc section terminal surfaces of both sides fixed plate, the length of rotating wheel 21 is greater than the buffering and fights 17 bottom opening length, baffle 22 includes that the annular array sets up five on rotating wheel 21, baffle 22 is kept away from and is rotated wheel 21 one side and keep off 24 excircle terminal surfaces parallel and level of dish and both sides terminal surface respectively with corresponding position fender dish 24 fixed connection.

The fixed motor 31 that is equipped with on the feed dropping barrel 11 is about rotating wheel 21 length direction side end face, motor 31 is close to 12 one side end power in blanking chamber and is equipped with power shaft 33, power shaft 33 keeps away from motor 31 one side end and extends to in the blanking chamber 12 and keep away from motor 31 one side inner wall with blanking chamber 12 and rotate and be connected, it sets up on power shaft 33 to rotate wheel 21, fender dish 24 are fixed.

In this embodiment, because the structure is adopted, when the motor 31 starts to drive the power shaft 33, the rotating wheel 21 and the baffle disc 24 to rotate, the materials falling from the buffer hopper 17 are stacked between two adjacent partition plates 22, along with the rotation of the rotating wheel 21, the materials falling between two adjacent partition plates 22 fall out from the opening at the bottom of the blanking cavity 12, and the falling speed of the materials can be further relieved through the above manner, so that the dust during material discharge is effectively reduced.

Example 3:

in this embodiment, except for including the structural feature of aforementioned embodiment, swager constructs including the embedding sets up in the excircle terminal surface of rotating wheel 21 and is located the electric putter 23 between two adjacent baffles 22, electric putter 23 stretches out and fixes being equipped with extrusion arc 32 on the end side terminal surface, extrusion arc 32 is in the same direction as, is equipped with two arc chambeies 34 on the anticlockwise terminal surface respectively, it is equipped with flexible bent plate 36 to slide in the arc chamber 34, flexible bent plate 36 is close to corresponding position electric putter 23 one side end and arc chamber 34 and is close to and corresponds fixed being equipped with adaptation spring 37 between position electric putter 23 one side inner wall.

The two end faces of the length direction of the extrusion arc-shaped plate 32 are respectively connected with the corresponding side end faces of the two baffle discs 24 in a sliding manner, two stroke grooves 35 are respectively arranged on the clockwise end face and the anticlockwise end face of the partition plate 22, and the telescopic bent plate 36 slides in the stroke grooves 35 at the corresponding positions under the action of the elastic force of the adaptive spring 37.

The 11 outsides of charging barrel are equipped with dust removal mechanism, dust removal mechanism is including the fixed fan 30 that sets up on 11 side end faces of charging barrel, charging barrel 11 is close to the fixed filter 26 that is equipped with on the 30 side end face of fan, fan 30 induced draft end and filter 26 give vent to anger and are provided with first pipeline 28 between the end, filter 26 is breathed in and is served fixedly and be equipped with second pipeline 25, second pipeline 25 keeps away from filter 26 one side end and extends to and correspond position fixed plate 27 and be close to and rotate wheel 21 side end parallel and level, second pipeline 25 set up the position and be regarded as avoiding interfering the blanking process production for rotating wheel 21 bottom speed tangential direction.

In this embodiment, because the structure is adopted, when the electric push rod 23 rotates to the arc segment positions of the two fixing plates 27, the electric push rod 23 at the corresponding position is triggered to start a telescopic cycle, so that the density of the materials in the two partition plates 22 at the corresponding positions is improved under the extrusion of the extrusion arc-shaped plate 32, the telescopic bent plate 36 and the corresponding side end surface of the fixing plate 27, when the materials are discharged from the opening at the bottom end of the blanking cavity 12, the materials are not loose any more, and therefore the dust generated when the materials fall is greatly reduced, the fan 30 can absorb and filter part of the raised dust generated by the discharge of the materials through the second pipeline 25 and the filter 26, and the production environment is further improved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the utility model is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (9)

1. A dustproof blanking device in a flour mill comprises a collecting hopper (15), a flange (13) and a blanking barrel (11), and is characterized in that the bottom of the collecting hopper (15) is fixedly connected with the top of the blanking barrel (11) through the flange (13), a blanking cavity (12) with an opening towards one side close to the ground is arranged in the blanking barrel (11), two fixing plates (27) are symmetrically and fixedly arranged between the inner walls of two opposite sides of the blanking cavity (12), a buffering mechanism is arranged on one side, far away from the ground, of each fixing plate (27) and comprises an elastic lifting buffering hopper (17), a material conveying mechanism is arranged between the two fixing plates (27) and comprises a rotating wheel (21) which is rotatably arranged between the inner walls of two opposite sides of the blanking cavity (12) and positioned between the two fixing plates (27), a plurality of partition plates (22) are fixedly arranged on the rotating wheel (21) in an annular array manner, a material pressing mechanism is arranged between two adjacent partition plates (22).

2. The dustproof blanking device in the pulverizer as claimed in claim 1, wherein the top of the collecting hopper (15) is symmetrically provided with two decompression pipes (14) in a penetrating way, a decompression door is arranged in each decompression pipe (14), and the opening and closing of the decompression door can control the pressure inside the collecting hopper (15).

3. The dust-proof blanking device in the pulverizer as claimed in claim 1, wherein the buffering hopper (17) is slidably disposed in the blanking chamber (12), the buffering hopper (17) is composed of four side plates and has a top opening larger than a bottom opening, and the bottom opening is smaller than the distance between two fixing plates (27).

4. The dustproof blanking device in the pulverizer as claimed in claim 1, wherein the buffering mechanism further comprises a buffering cavity (19) arranged in a fixing plate (27), a sliding block (38) is slidably arranged in the buffering cavity (19), a buffering spring (20) is fixedly arranged between the bottom end of the sliding block (38) and the bottom wall of the buffering cavity (19), a sliding rod (18) is fixedly arranged at the top end of the sliding block (38), one side end of the sliding rod (18) far away from the sliding block (38) extends into the blanking cavity (12) and is fixedly connected with the corresponding side end face of the buffering hopper (17), a slot (29) is arranged in the fixing plate (27) and is located at one side of the buffering cavity (19) close to the rotating wheel (21), and two dust-isolating plates (16) are fixedly arranged on the side end face of the buffering hopper (17) close to the ground and at corresponding positions of the two slots (29), the dust separation plate (16) is arranged in the slot (29) at the corresponding position in a sliding manner.

5. The dustproof blanking device in the pulverizer as claimed in claim 1, wherein the material conveying mechanism further comprises two retaining discs (24) fixedly arranged on two opposite side end faces of the rotating wheel (21), respectively, an arc section is arranged on one side end face of the fixing plate (27) close to the retaining disc (24), the outer circle end face of the retaining disc (24) just abuts against the arc section end faces of the fixing plates (27) on two sides, the length of the rotating wheel (21) is greater than the length of the bottom opening of the buffer hopper (17), the partition plates (22) comprise five annular arrays arranged on the rotating wheel (21), one side end of the partition plate (22) far away from the rotating wheel (21) is flush with the outer circle end face of the retaining disc (24), and the two side end faces are fixedly connected with the retaining disc (24) in corresponding positions respectively.

6. The dustproof blanking device in the pulverizer as claimed in claim 5, wherein the blanking barrel (11) is fixedly provided with a motor (31) on one side end surface of the rotating wheel (21) in the length direction, the motor (31) is provided with a power shaft (33) by power on the side end close to the blanking cavity (12), one side end of the power shaft (33) far away from the motor (31) extends into the blanking cavity (12) and is rotatably connected with the inner wall of the blanking cavity (12) far away from the motor (31), and the rotating wheel (21) and the baffle disc (24) are fixedly arranged on the power shaft (33).

7. The dustproof blanking device in the pulverizer as claimed in claim 1, wherein the pressing mechanism comprises an electric push rod (23) which is embedded into the outer circle end face of the rotating wheel (21) and located between two adjacent partition plates (22), an extrusion arc-shaped plate (32) is fixedly arranged on the end face of one side of the extending end of the electric push rod (23), two arc-shaped cavities (34) are respectively arranged on the clockwise and anticlockwise end faces of the extrusion arc-shaped plate (32), a telescopic curved plate (36) is slidably arranged in the arc-shaped cavities (34), and an adaptive spring (37) is fixedly arranged between one side end of the telescopic curved plate (36) close to the electric push rod (23) at the corresponding position and one side inner wall of the arc-shaped cavity (34) close to the electric push rod (23) at the corresponding position.

8. The dustproof blanking device in the pulverizer as claimed in claim 7, wherein two end faces of the length direction of the extrusion arc-shaped plate (32) are respectively connected with the corresponding side end faces of the two baffle discs (24) in a sliding manner, two stroke grooves (35) are respectively arranged on the clockwise end face and the anticlockwise end face of the partition plate (22), and the telescopic curved plate (36) slides in the corresponding stroke grooves (35) under the elastic force of the adaptive spring (37).

9. The dust-proof blanking device in the pulverizer as claimed in claim 1, the outer side of the charging barrel (11) is provided with a dust removing mechanism, the dust removing mechanism comprises a fan (30) fixedly arranged on the end surface of one side of the charging barrel (11), a filter (26) is fixedly arranged on the end surface of one side of the charging barrel (11) close to the fan (30), a first pipeline (28) is arranged between the air suction end of the fan (30) and the air outlet end of the filter (26), a second pipeline (25) is fixedly arranged on the air suction end of the filter (26), one side end of the second pipeline (25) far away from the filter (26) extends to be flush with the end surface of one side of the corresponding position fixing plate (27) close to the rotating wheel (21), the second pipeline (25) is arranged at the speed tangential direction of the bottom end of the rotating wheel (21) to avoid interference on the blanking process.

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