CN218700149U - Hopper device and mixing plant - Google Patents

Abstract

The utility model provides a hopper device and stirring station, hopper device includes bucket body, valve plate subassembly and drive assembly, the valve plate subassembly includes the valve plate, the valve plate is located in the bucket body and with the bucket body rotates to be connected, drive assembly with the bucket body is connected, and is used for the drive the valve plate is around the swing of horizontal axis. Like this, at hopper device during operation, the swing of usable valve plate comes to stir the broken arch of sand material in the bucket body for the unloading is more smooth and easy, and efficiency is higher, has reduced the probability that sand material arched effectively, and in addition, the valve plate has great area of contact with sand material, can increase the stirring scope of valve plate, thereby can further improve broken arch efficiency.

Description

Hopper device and mixing plant

Technical Field

The utility model relates to an engineering machine tool technical field particularly, relates to a hopper device and stirring station.

Background

At present, concrete mixing equipment adopts the hopper to unload the operation to the sand material usually, because the sand material on the market generally is the mechanism sand, and the water content and the mud content of mechanism sand are higher, and it is relatively poor to lead to sand material vibration unloading effect, appears the arching phenomenon easily, and when the sand material arching, not only can lead to the unloading difficulty, seriously influences production efficiency, still need spend a large amount of manpowers and time and clear up, and the maintenance cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be: how to reduce the probability of sand arching.

In order to solve the problem, the utility model provides a hopper device, including bucket body, valve plate subassembly and drive assembly, the valve plate subassembly includes the valve plate, the valve plate is located in the bucket body and with the bucket body rotates to be connected, drive assembly with the bucket body is connected, and is used for the drive the valve plate is around the horizontal axis swing.

Optionally, the valve plate subassembly still includes the swing arm, drive assembly includes supporting seat and telescoping cylinder, the one end of swing arm with the valve plate is connected, the other end with the flexible end hinge joint of telescoping cylinder, the supporting seat is located on the bucket body and with the stiff end hinge joint of telescoping cylinder.

Optionally, the hopper device further comprises a limiting assembly, and the limiting assembly is arranged on the hopper body or the driving assembly and is used for limiting the swing angle of the valve plate.

Optionally, the limiting assembly comprises a limiting column arranged on the bucket body, and the limiting column is located on the motion track of the valve plate and used for being abutted against the valve plate.

Optionally, the limiting assembly further comprises an adjusting structure arranged on the bucket body, and the adjusting structure is used for adjusting the relative position of the limiting column on the motion track of the valve plate.

Optionally, adjust the structure including locating a plurality of regulation holes on the bucket body, spacing post is used for with a plurality of any of regulation hole can be dismantled and be connected.

Optionally, the bucket body includes first curb plate and the second curb plate that sets up relatively, the both ends of valve plate rotate respectively connect in first curb plate with on the second curb plate, just the valve plate rotate connect in the one end of first curb plate is equipped with first side, the valve plate rotate connect in the one end of second curb plate is equipped with the second side, first side with the second side is on a parallel with respectively first curb plate with the second curb plate.

Optionally, the valve plate comprises a first valve plate and a second valve plate for opposing arrangement in an initial state;

the hopper device comprises two driving assemblies, wherein the two driving assemblies are respectively connected with the first valve plate and the second valve plate and are respectively used for driving the first valve plate and the second valve plate to swing, and the swinging directions of the first valve plate and the second valve plate are opposite.

Optionally, the valve plate subassembly still includes the rotation axis, the rotation axis includes coaxial setting and rotates first pivot portion and the second pivot portion of connecting, first pivot portion is equipped with two, two first pivot portion overlaps respectively and is established the both ends of second pivot portion, first valve plate with first pivot portion is connected, the second valve plate with second pivot portion is connected, and two among the drive assembly one with first pivot portion drive connection, another with second pivot portion drive connection.

In order to solve the problem, the utility model also provides a mixing plant, include as above hopper arrangement.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a hopper arrangement accessible sets up the valve plate in the bucket body to utilize drive assembly to drive the valve plate and swing around horizontal axis in the bucket body, and like this, at the hopper arrangement during operation, the swing of usable valve plate comes to stir the broken arch to the sand material of bucket body, makes the unloading more smooth and easy, and efficiency is higher, has reduced the probability that sand material arched effectively, and in addition, the valve plate has great area of contact with sand material, can increase the stirring scope of valve plate, thereby can further improve broken arch efficiency.

Drawings

Fig. 1 is a schematic front view of a hopper device according to an embodiment of the present invention;

fig. 2 is a schematic side view of a hopper device according to an embodiment of the present invention;

FIG. 3 is a schematic side view of the hopper assembly of the embodiment of the present invention during the swing of the valve plate;

FIG. 4 is a schematic structural view of the valve plate assembly mounted on the bucket body according to the embodiment of the present invention;

fig. 5 is a schematic front view of another aspect of a hopper arrangement according to an embodiment of the invention;

FIG. 6 is a schematic side view of another aspect of a hopper assembly according to an embodiment of the present invention;

fig. 7 is a schematic side view of the hopper device according to the embodiment of the present invention when the first valve plate and the second valve plate swing in opposite directions.

Description of reference numerals:

1. a bucket body; 11. a discharge opening; 12. a first side plate; 13. a second side plate; 2. a valve plate assembly; 21. a valve plate; 211. a first valve plate; 212. a second valve plate; 22. swinging arms; 221. a first swing arm; 222. a second swing arm; 23. a rotating shaft; 231. a first shaft portion; 232. a second rotating shaft part; 24. a rotating shaft seat; 3. a drive assembly; 31. a supporting base; 32. a telescopic cylinder; 4. a limiting component; 41. a limiting column; 42. and adjusting the hole.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

The Z-axis in the drawings indicates a vertical direction, i.e., an up-down position, and a forward direction of the Z-axis (i.e., an arrow direction of the Z-axis) indicates an upward direction and a reverse direction of the Z-axis indicates a downward direction; the X-axis in the drawing represents the horizontal direction and is designated as the left-right position, and the forward direction of the X-axis represents the left side and the reverse direction of the X-axis represents the right side; the Y-axis in the drawings is represented as a front-rear position, and a forward direction of the Y-axis represents a front side and a reverse direction of the Y-axis represents a rear side; it should also be noted that the foregoing Z-axis, Y-axis, and X-axis representations are merely intended to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

With reference to fig. 1 to 3, an embodiment of the present invention provides a hopper device, including bucket body 1, valve plate assembly 2 and drive assembly 3, valve plate assembly 2 includes valve plate 21, and valve plate 21 is located in bucket body 1 and is rotated with bucket body 1 and be connected, and drive assembly 3 is located on bucket body 1 to be used for driving valve plate 21 to swing around horizontal axis.

Specifically, the bucket body 1 may be a tapered structure with a large top opening and a small bottom opening surrounded by a plurality of flat side plates, such as shown in fig. 1; the hopper body 1 may also be a tapered structure with a large top opening and a small bottom opening surrounded by an annular side plate, the opening at the top of the hopper body 1 is a feed inlet, and the opening at the bottom of the hopper body 1 is a discharge outlet 11 (described later). The valve plate 21 is arranged in the bucket body 1 and is rotatably connected with the bucket body 1, and the driving assembly 3 is usually arranged outside the bucket body 1, but in other embodiments, the driving assembly 3 may also be arranged in the bucket body 1, and at this time, the driving assembly 3 is usually covered with a shell structure outside to protect the driving assembly 3 from being impacted by sand. Under initial condition (that is when the magazine attachment does not work), valve plate 21 is vertical setting usually, and the magazine attachment is at the during operation, and drive assembly 3 drive valve plate 21 is around horizontal axis reciprocating rotation for valve plate 21 swings in bucket body 1 to stir the broken arch to the sand material in bucket body 1. Wherein, drive assembly 3 can drive valve plate 21 earlier and rotate to first preset position (second preset position) from vertical position left (right), as shown in fig. 3, then drive valve plate 21 and swing between vertical position and first preset position (second preset position), or drive assembly 3 can drive valve plate 21 earlier and rotate to first preset position from vertical position left, then rotate to second preset position to drive valve plate 21 and swing between first preset position and second preset position, can select the design as required in the practical application.

Hopper device accessible in this embodiment sets up valve plate 21 in bucket body 1 to utilize drive assembly 3 to drive valve plate 21 and swing around horizontal axis in bucket body 1, and like this, at hopper device during operation, the swing of usable valve plate 21 comes to stir the broken arch of sand in bucket body 1, make the unloading more smooth and easy, and efficiency is higher, has reduced the probability that sand arch camber effectively, and moreover, valve plate 21 has great area of contact with sand, can increase valve plate 21's stirring scope, thereby can further improve broken arch efficiency.

Further, a bidirectional motor may be employed as the drive assembly 3, such that the valve plate 21 is driven to reciprocate by the forward rotation and the reverse rotation of the bidirectional motor to realize the oscillating movement of the valve plate 21.

Alternatively, as shown in fig. 2, the bottom of the hopper body 1 is provided with a discharge port 11, and the valve plate 21 is adapted to be vertically disposed above the discharge port 11 in an initial state.

In this embodiment, if the arching phenomenon does not appear during the unloading, can choose not to drive the swing of valve plate 21, like this, when valve plate 21 was out of work, the unloading circumstances of valve plate 21 both sides can not be hindered or less be hindered to the valve plate 21 of vertical setting to can further improve the smoothness nature of unloading.

Optionally, as shown in fig. 2, the valve plate assembly 2 further includes a swing arm 22, the driving assembly 3 includes a supporting seat 31 and a telescopic cylinder 32, one end of the swing arm 22 is connected to the valve plate 21, the other end of the swing arm is hinged to the telescopic end of the telescopic cylinder 32, and the supporting seat 31 is disposed on the bucket body 1 and is hinged to the fixed end of the telescopic cylinder 32.

Specifically, the telescopic end of the telescopic cylinder 32 refers to a piston rod head of the telescopic cylinder 32, the fixed end of the telescopic cylinder 32 refers to an end of a cylinder body of the telescopic cylinder 32, which is far away from the piston rod head, the piston rod head of the telescopic cylinder 32 is generally provided with a joint bearing, the joint bearing is generally hinged with the swing arm 22 by a pin shaft, and the fixed end of the telescopic cylinder 32 is also hinged on the support seat 31 by a pin shaft. When the driving assembly 3 and the swing arm 22 are arranged outside the bucket body 1, one end of the valve plate 21 penetrates through the bucket body 1 and is fixedly connected with the swing arm 22 outside the bucket body 1, and when the driving assembly 3 and the swing arm 22 are arranged inside the bucket body 1, two ends of the valve plate 21 do not need to penetrate through the bucket body 1.

In this embodiment, taking the support seat 31 and the telescopic cylinder 32 disposed on the left side of the valve plate 21 as an example, the telescopic cylinder 32 may be in a contracted state in an initial state, at this time, the telescopic cylinder 32 pushes the swing arm 22 to rotate rightwards by extending the piston rod, and then drives the valve plate 21 to rotate rightwards, the telescopic cylinder 32 pulls the swing arm 22 to rotate leftwards by retracting the piston rod, and then drives the valve plate 21 to rotate leftwards, so that the valve plate 21 is rotated in a reciprocating manner to realize a swinging motion of the valve plate 21, and meanwhile, the telescopic cylinder 32 itself may also rotate around a hinge joint with the support seat 31 in a telescopic motion process; the telescopic cylinder 32 can also be in an extended state in an initial state, as shown in fig. 2, at this time, the telescopic cylinder 32 pulls the swing arm 22 to rotate to the left by retracting the piston rod, and then drives the valve plate 21 to rotate to the left, the telescopic cylinder 32 pulls the swing arm 22 to rotate to the right by extending the piston rod, and then drives the valve plate 21 to rotate to the right, and the reciprocating rotation is performed so as to realize the swing motion of the valve plate 21. Thus, the reciprocal oscillation of the valve plate 21 is achieved by the cooperation of the oscillating arm 22 and the telescopic cylinder 32.

Further, the telescopic cylinder is an air cylinder or a hydraulic cylinder, so that compared with the electric cylinder, the electric cylinder or the hydraulic cylinder is adopted for driving, the consumption of electric energy can be reduced, and the use cost is reduced.

Optionally, as shown in fig. 1 to 3, the valve plate assembly 2 further includes a rotating shaft 23, the valve plate 21 is detachably connected to the rotating shaft 23 along a direction parallel to an axis of the rotating shaft 23, one end of the rotating shaft 23 is rotatably connected to the bucket body 1, and the other end of the rotating shaft 23 is connected to one end of the swing arm 22 away from the telescopic cylinder 32.

In this embodiment, the valve plate 21 is connected to the swing arm 22 through the rotation shaft 23, specifically, two rotation shaft seats 24 are disposed on the inner wall of the bucket body 1, two ends of the rotation shaft 23 are rotatably connected to the two rotation shaft seats 24, the valve plate 21 is usually disposed below the rotation shaft 23 and detachably connected to the rotation shaft 23, and one end of the swing arm 22, which is away from the telescopic cylinder 32, is connected to the rotation shaft 23. Like this, when valve plate 21 takes place to damage, can directly dismantle valve plate 21 from rotation axis 23 and change, easy operation, and make things convenient for later maintenance, simultaneously, need not to process the connecting axle structure on valve plate 21 and come to rotate with the bucket body and be connected, can simplify valve plate 21's mechanical structure.

Optionally, as shown in fig. 4, the bucket body 1 includes a first side plate 12 and a second side plate 13 that are disposed opposite to each other, two ends of the valve plate 21 are respectively rotatably connected to the first side plate 12 and the second side plate 13, and the valve plate 21 is rotatably connected to one end of the first side plate 12 and is provided with a first side surface, one end of the valve plate 21 rotatably connected to the second side plate 13 is provided with a second side surface, and the first side surface and the second side surface are respectively parallel to the first side plate 12 and the second side plate 13.

In the present embodiment, the shape of the valve plate 21 matches the cross section of the bucket body 1 in the front-rear direction, for example, if the cross section of the bucket body 1 in the front-rear direction is a trapezoid with a wide top and a narrow bottom, the valve plate 21 is also a trapezoid plate structure with a wide top and a narrow bottom. Specifically, the bucket body 1 has a first side plate 12 and a second side plate 13 in the front-rear direction, and accordingly, the valve plate 21 has a first side surface and a second side surface in the front-rear direction, the first side surface being disposed parallel to the first side plate 12, the second side surface being disposed parallel to the second side plate 13, and gaps between the first side surface and the first side plate 12 and between the second side surface and the second side plate 13 being small. In this way, when the valve plate 21 or the rotary shaft 23 (when the valve plate assembly 2 includes the rotary shaft 23) moves forward, the first side surface of the valve plate 21 comes into abutment with the first side plate 12 of the bucket body 1, thereby preventing the valve plate 21 or the rotary shaft 23 from moving forward, and when the valve plate 21 or the rotary shaft 23 moves backward, the second side surface of the valve plate 21 comes into abutment with the second side plate 13 of the bucket body 1, thereby preventing the valve plate 21 or the rotary shaft 23 from moving backward, so that the first side surface and the second side surface of the valve plate 21 limit the valve plate 21 or the rotary shaft 23, and the valve plate 21 or the rotary shaft 23 is prevented from moving and falling off.

Optionally, as shown in fig. 1, the hopper device further includes a limiting assembly 4, and the limiting assembly 4 is disposed on the hopper body 1 or the driving assembly 3 and is used for limiting the swing angle of the valve plate 21.

In this embodiment, the limiting assembly 4 may be disposed on the bucket body 1, and the valve plate 21 abuts against the limiting assembly 4 to limit, so as to limit the swing angle of the valve plate 21; the limiting component 4 can also be disposed on the driving component 3, for example, the limiting component 4 is disposed between the cylinder body of the telescopic cylinder 32 and the piston rod to limit the swing amplitude of the valve plate 21 by limiting the extension length of the piston rod, thereby realizing the limitation of the swing angle of the valve plate 21. So to make valve plate 21 at the spacing effect of spacing subassembly 4 down in presetting the stable swing of angle within range, improve the broken effect of encircleing of stirring.

Optionally, as shown in fig. 1 to 3, the limiting assembly 4 includes a limiting post 41 disposed on the bucket body 1, and the limiting post 41 is located on a motion track of the valve plate 21 and is configured to abut against the valve plate 21.

In this embodiment, valve plate 21 is fan-shaped around horizontal axis wobbling motion trail, and spacing subassembly 4 sets up on bucket body 1, particularly, spacing post 41 is located on the inner wall of bucket body 1 to be located on valve plate 21's motion trail, when valve plate 21 swings to when with spacing post 41 butt, can't continue the swing under spacing post 41's the hindrance, thereby play limiting displacement, moreover, the adoption sets up spacing post 41 on valve plate 21's motion trail and realizes spacingly, moreover, the steam generator is simple in structure, the manufacturing of being convenient for.

Optionally, the limiting assembly 4 further includes an adjusting structure disposed on the bucket body 1, and the adjusting structure is used for adjusting the relative position of the limiting column 41 on the motion track of the valve plate 21.

In this embodiment, the adjusting structure may be a slide rail disposed on the inner wall of the bucket body 1, and the slide rail is not located in the radial direction of the fan-shaped movement track of the valve plate 21, at this time, the limiting column 41 may be slidably connected to the slide rail, and the position of the limiting column 41 may be changed by sliding the limiting column 41 to different positions along the slide rail and fixing the sliding rail, or the adjusting structure may be a plurality of adjusting holes 42 described later, and at this time, the position of the limiting column 41 may be changed by fixedly mounting the limiting column 41 in different adjusting holes 42. Like this, utilize the regulation structure to change the position of spacing post 41 for valve plate 21 has different swing angle, thereby steerable bucket body 1 discharge passage's cross sectional area size, and then the velocity of flow of steerable sand material.

Optionally, as shown in fig. 1 to fig. 3, the adjusting structure includes a plurality of adjusting holes 42 provided on the bucket body 1, and the limiting column 41 is used for being detachably connected with any one of the plurality of adjusting holes 42.

In this embodiment, the connecting line between the adjusting holes 42 is not parallel to the radial direction of the fan-shaped moving track of the valve plate 21, for example, in one embodiment, the adjusting holes 42 may be linearly arranged side by side at intervals in the left-right direction, as shown in fig. 2, in another embodiment, the adjusting holes 42 may also be arranged at arc intervals, wherein it should be noted that the unused adjusting holes 42 are usually blocked by assembling short bolts to prevent sand from leaking from the adjusting holes 42. Like this, adopt to set up a plurality of regulation holes 42 on the bucket body 1 inner wall as adjusting structure to the change that spacing post 41 position was realized to the accessible is with spacing post 41 fixed mounting in different regulation holes 42 department, simple structure, easy manufacturing.

Alternatively, as shown in fig. 5 to 7 in conjunction, the valve plate 21 includes a first valve plate 211 and a second valve plate 212, the first valve plate 211 and the second valve plate 212 being for being disposed oppositely in an initial state; the hopper device comprises two drive assemblies 3, wherein the two drive assemblies 3 are respectively connected with the first valve plate 211 and the second valve plate 212 and are respectively used for driving the first valve plate 211 and the second valve plate 212 to swing, and the swing directions of the first valve plate 211 and the second valve plate 212 are opposite.

Specifically, the first valve plate 211 and the second valve plate 212 are generally the same in structure, and in an initial state, the first valve plate 211 and the second valve plate 212 are arranged oppositely and are respectively connected with the bucket body 1 in a rotating manner, and the first valve plate 211 and the second valve plate 212 are attached to each other or have a distance therebetween, the driving assembly 3 for driving the first valve plate 211 is arranged on one side of the first valve plate 211, which is far away from the second valve plate 212, and correspondingly, the driving assembly 3 for driving the second valve plate 212 is arranged on one side of the second valve plate 212, which is far away from the first valve plate 211.

In this embodiment, the accessible sets up two valve plates 21 to utilize two drive assembly 3 to drive two valve plates 21 respectively and swing towards opposite direction, to realize utilizing two valve plates 21 to stir the broken arch of sand material in the bucket body 1, thereby further improve broken arch effect.

Further, the swing arm 22 comprises a first swing arm 221 and a second swing arm 222, the telescopic ends of the two telescopic cylinders 32 are respectively hinged with one end of the first swing arm 221 and one end of the second swing arm 222, and the other ends of the first swing arm 221 and the second swing arm 222 are respectively connected to the first valve plate 211 and the second valve plate 212. In this way, the first swing arm 221 and the second swing arm 222 are respectively matched with the two telescopic cylinders 32 to realize the reciprocating swing of the first valve plate 211 and the second valve plate 212.

Further, as shown in fig. 5, the rotating shaft 23 includes two first rotating shaft portions 231 and two second rotating shaft portions 232 which are coaxially disposed and rotatably connected, the two first rotating shaft portions 231 are respectively sleeved at two ends of the second rotating shaft portion 232, the first valve plate 211 and the second valve plate 212 are respectively connected to the first rotating shaft portion 231 and the second rotating shaft portion 232, one of the two driving assemblies 3 is drivingly connected to the first rotating shaft portion 231, the other one is drivingly connected to the second rotating shaft portion 232, and one ends of the first swing arm 221 and the second swing arm 222, which are far away from the telescopic cylinder 32, are respectively connected to the first rotating shaft portion 231 and the second rotating shaft portion 232.

In this embodiment, when the swing arm 22 and the driving assembly 3 are disposed outside the bucket body 1, the second rotating shaft portion 232 and one of the first rotating shaft portions 231 extend out of the bucket body 1, the first rotating shaft portion 231 is connected to the first swing arm 221, and the second rotating shaft portion 232 passes through the first rotating shaft portion 231 and is connected to the second swing arm 222. In this manner, the first valve plate 211 and the second valve plate 212 are fixed to the one rotary shaft 23.

In another embodiment, two rotation shafts 23 may be connected to the first valve plate 211 and the second valve plate 212, respectively, and the first swing arm 221 and the second swing arm 222 may be connected to the two rotation shafts 23, respectively.

Further, two limiting assemblies 4 may be provided, and are respectively used for limiting the swing angles of the first valve plate 211 and the second valve plate 212.

Another embodiment of the present invention provides a mixing station, comprising a hopper device as described above.

The beneficial effects of the mixing station in this embodiment with respect to the prior art are the same as those of the hopper device described above, and are not described herein again.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (10)

1. The utility model provides a hopper device, its characterized in that includes bucket body (1), valve plate subassembly (2) and drive assembly (3), valve plate subassembly (2) include valve plate (21), valve plate (21) are located in bucket body (1) and with bucket body (1) rotate to be connected, drive assembly (3) with bucket body (1) are connected, and are used for the drive valve plate (21) are around the horizontal axis swing.

2. The hopper device according to claim 1, wherein the valve plate assembly (2) further comprises a swing arm (22), the driving assembly (3) comprises a supporting seat (31) and a telescopic cylinder (32), one end of the swing arm (22) is connected with the valve plate (21), the other end of the swing arm is hinged with the telescopic end of the telescopic cylinder (32), and the supporting seat (31) is arranged on the hopper body (1) and is hinged with the fixed end of the telescopic cylinder (32).

3. The hopper device according to claim 1, characterized in that it further comprises a limiting assembly (4), wherein said limiting assembly (4) is arranged on said hopper body (1) or said driving assembly (3) and is used for limiting the swing angle of said valve plate (21).

4. The hopper device according to claim 3, characterized in that the limiting assembly (4) comprises a limiting column (41) arranged on the hopper body (1), wherein the limiting column (41) is located on the motion track of the valve plate (21) and is used for abutting against the valve plate (21).

5. The hopper device according to claim 4, characterized in that the limiting assembly (4) further comprises an adjusting structure arranged on the hopper body (1) and used for adjusting the relative position of the limiting column (41) on the motion track of the valve plate (21).

6. The hopper device according to claim 5, wherein the adjusting structure comprises a plurality of adjusting holes (42) formed in the hopper body (1), and the limiting column (41) is detachably connected with any one of the adjusting holes (42).

7. The hopper device according to claim 1, characterized in that the hopper body (1) comprises a first side plate (12) and a second side plate (13) which are oppositely arranged, two ends of the valve plate (21) are respectively and rotatably connected to the first side plate (12) and the second side plate (13), a first side surface is arranged at one end of the valve plate (21) which is rotatably connected to the first side plate (12), a second side surface is arranged at one end of the valve plate (21) which is rotatably connected to the second side plate (13), and the first side surface and the second side surface are respectively parallel to the first side plate (12) and the second side plate (13).

8. The hopper device according to claim 1, characterized in that said valve plate (21) comprises a first valve plate (211) and a second valve plate (212), said first valve plate (211) and said second valve plate (212) being intended to be arranged opposite in an initial condition;

the hopper device comprises two driving assemblies (3), wherein the two driving assemblies (3) are respectively connected with the first valve plate (211) and the second valve plate (212) and are respectively used for driving the first valve plate (211) and the second valve plate (212) to swing, and the swinging directions of the first valve plate (211) and the second valve plate (212) are opposite.

9. The hopper device as claimed in claim 8, wherein the valve plate assembly (2) further comprises a rotating shaft (23), the rotating shaft (23) comprises a first rotating shaft part (231) and a second rotating shaft part (232) which are coaxially arranged and rotatably connected, two first rotating shaft parts (231) are arranged, the two first rotating shaft parts (231) are respectively sleeved at two ends of the second rotating shaft part (232), the first valve plate (211) is connected with the first rotating shaft part (231), the second valve plate (212) is connected with the second rotating shaft part (232), one of the two driving assemblies (3) is in driving connection with the first rotating shaft part (231), and the other one of the two driving assemblies is in driving connection with the second rotating shaft part (232).

10. A mixing station, characterised by comprising a hopper arrangement as claimed in any one of claims 1 to 9.

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