CN219214030U - Powder storage device - Google Patents

Abstract

The utility model relates to the technical field of powder storage equipment, and provides a powder storage device which comprises a storage hopper, a first rotation-resistant material level gauge and a blanking structure, wherein the storage hopper is provided with a material cavity, the upper end and the lower end of the material cavity are open and respectively form a material inlet and a material outlet, the first rotation-resistant material level gauge comprises a first driving main body and first fan blades, the first driving main body is arranged on the outer surface of the storage hopper and positioned at the lower end of the storage hopper, the first fan blades are positioned in the material cavity, a first rotating shaft is fixedly arranged in the middle of the first fan blades, the first rotating shaft penetrates out of the storage hopper in a sealing manner and is connected with the first driving main body, the first driving main body is used for driving the first rotating shaft to rotate around a horizontal shaft, the blanking structure is arranged on the outer surface of the storage hopper, the blanking structure is provided with an air outlet end which penetrates into the material cavity in a sealing manner and is used for jetting, and/or the blanking structure is provided with an impact end which moves in a reciprocating straight line along a preset direction and is used for impacting the storage hopper. Therefore, the amount of powder attached to the inner wall surface of the material cavity is greatly reduced.

Description

Powder storage device

Technical Field

The utility model relates to the technical field of powder storage equipment, in particular to a powder storage device.

Background

PVC board is most through plastic extrusion molding of extruding machine, includes storage device, agitating unit and extruding machine in this PVC board production line, has stored a large amount of powder in the storage device, and when the mixed powder in the agitating unit all carried in the extruding machine, storage device can provide the powder to agitating unit immediately. However, in the prior art, as the service life of the storage device is prolonged, a lot of powder adheres to the inner wall surface of the storage device. Therefore, on one hand, the total amount of the powder in the mixed powder is reduced, the quality of the PVC plate produced subsequently is easily affected, and on the other hand, when the type of the powder in the storage device needs to be replaced, the powder and the powder are easily mixed, and the quality of the PVC plate produced subsequently is also affected.

Disclosure of Invention

The utility model aims to provide a powder storage device, which aims to solve the technical problem that more powder is adhered to the inner wall of the existing storage device along with the extension of the service time of the storage device.

The application provides a powder storage device, it includes the storage hopper, first formula charge level indicator and blanking structure of holding soon, the storage hopper has the material chamber that is used for holding the powder, the upper and lower both ends of material chamber all open and form feed inlet and discharge gate respectively, first formula charge level indicator of holding soon includes first drive main part and first flabellum, first drive main part installs in the surface of storage hopper, and be located the lower extreme of storage hopper, first flabellum is located the material intracavity, and near the inner wall setting in material chamber, first rotation axis has been set firmly in the middle part of first flabellum, first rotation axis seals and wears out the storage hopper and be connected with first drive main part, first drive main part is used for driving first rotation axis around the horizontal axis rotation, blanking structure installs in the surface of storage hopper, blanking structure has sealed material intracavity and is used for the air-out end of jet, and/or blanking structure has and follows a predetermined direction and do reciprocal rectilinear motion and be used for striking storage hopper's impact end.

In one embodiment, the blanking structure comprises an air blowing mechanism, the air blowing mechanism comprises a first air source, an air blowing electromagnetic valve and an air blowing pipe which are sequentially connected, the air blowing pipe is an air outlet end, one end, far away from the air blowing electromagnetic valve, of the air blowing pipe is sealed to penetrate through the feeding cavity of the storage hopper, and the air blowing pipe is welded on the outer surface of the storage hopper.

In one embodiment, the blanking structure comprises a vibrating mechanism, the vibrating mechanism comprises a second air source, a vibrating electromagnetic valve and a pneumatic hammer which are sequentially connected, the pneumatic hammer is mounted on the outer surface of the storage hopper and is provided with a hammer head which is an impact end, and the second air source is used for driving the hammer head.

In one embodiment, the vibratory mechanism further includes a reinforcing plate welded to an outer surface of the storage hopper, the pneumatic hammer is mounted to an end surface of the reinforcing plate remote from the storage hopper, and the hammer head is configured to strike the reinforcing plate.

In one embodiment, the vibration mechanism further comprises a rope and a hanging piece, the hanging piece is welded on the outer surface of the storage hopper and is located above the pneumatic hammer, the pneumatic hammer is provided with a rope hole through which the rope passes, and the head end and the tail end of the rope respectively pass through the hanging piece and the rope hole and are knotted to form a closed loop structure.

In one embodiment, the powder storage device further comprises a control box and a first signal lamp, and the blanking structure, the first driving main body and the first signal lamp are electrically connected with the control box.

In one embodiment, the first rotation-resistant level gauge further comprises a first baffle plate welded on the inner wall surface of the material cavity, wherein the first baffle plate is located above the first fan blade and covers the first fan blade and the first rotating shaft.

In one embodiment, the first striker plate arches in a direction away from the first fan blade, so that both the upper and lower surfaces of the first striker plate are arc-shaped.

In one embodiment, the powder storage device further comprises a second rotation-resistant type level gauge, the second rotation-resistant type level gauge comprises a second driving main body and second fan blades, the second driving main body is installed on the outer surface of the storage hopper and located at the upper end of the storage hopper, the second fan blades are located in the material cavity and are close to the inner wall of the material cavity, a second rotating shaft is fixedly arranged in the middle of the second fan blades, the second rotating shaft penetrates out of the storage hopper in a sealing mode and is connected with the second driving main body, and the second driving main body is used for driving the second rotating shaft to rotate around the horizontal shaft.

In one embodiment, the second rotation-resistant level gauge further comprises a second baffle plate welded on the inner wall surface of the material cavity, wherein the second baffle plate is located above the second fan blade and covers the second fan blade and the second rotating shaft.

The powder storage device provided by the utility model has the beneficial effects that: the material chamber of storage hopper is used for storing powder, and powder gets into the material chamber from the feed inlet, leaves the material chamber from the discharge gate. The first rotation-resisting type level gauge is used for detecting whether powder in the storage hopper is used up soon, when the top surface of the powder is lower than the first fan blade, the first fan blade rotates, so that the first rotation-resisting type level gauge responds, and a worker knows that the powder in the storage hopper is used up and begins to add the powder into the storage hopper. In the application, the blanking structure drives the powder adhered to the inner wall surface of the material cavity through blowing or vibration or a mode of combining the blowing and the vibration so as to separate the powder from the inner wall surface of the material cavity. Therefore, the amount of powder attached to the inner wall surface of the material cavity is greatly reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a powder storage device according to an embodiment of the present utility model;

FIG. 2 is an assembled cross-sectional view of a storage hopper, a first rotation-resistant level gauge and a second rotation-resistant level gauge provided by an embodiment of the utility model.

Wherein, each reference sign in the figure:

100. a powder storage device; 10. A storage hopper; 20. A first rotation-resistant level gauge;

30. an air blowing mechanism; 40. A vibration mechanism; 50. A second rotation-resistant level gauge;

11. a material cavity; 12. A feed inlet; 13. A discharge port;

21. a first driving body; 22. A first fan blade; 23. A first rotation shaft;

24. a first striker plate; 31. A blowing electromagnetic valve; 32. An air blowing pipe;

41. vibrating the electromagnetic valve; 42. A pneumatic hammer; 43. A reinforcing plate;

44. a hanging piece; 51. A second driving body; 52. A second fan blade;

53. a second rotation shaft; 54. And a second striker plate.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrase "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

A powder storage device 100 according to an embodiment of the present utility model will now be described.

Referring to fig. 1 and 2, the powder storage device 100 provided in the present application includes a storage hopper 10, a first rotation-resisting type level gauge 20 and a blanking structure, the storage hopper 10 has a material cavity 11 for containing powder, the upper and lower ends of the material cavity 11 are open and form a material inlet 12 and a material outlet 13 respectively, the first rotation-resisting type level gauge 20 includes a first driving body 21 and a first fan blade 22, the first driving body 21 is mounted on the outer surface of the storage hopper 10 and is located at the lower end of the storage hopper 10, the first fan blade 22 is located in the material cavity 11 and is disposed adjacent to the inner wall of the material cavity 11, a first rotating shaft 23 is fixedly disposed in the middle of the first fan blade 22, the first rotating shaft 23 is sealed to penetrate out of the storage hopper 10 and is connected with the first driving body 21, the first driving body 21 is used for driving the first rotating shaft 23 to rotate around the horizontal shaft, the blanking structure is mounted on the outer surface of the storage hopper 10, the blanking structure has an air outlet end sealed to penetrate into the material cavity 11 and is used for air injection, and/or the blanking structure has an end that reciprocates in a predetermined direction and is used for the storage hopper 10.

Specifically, the material cavity 11 of the storage hopper 10 is used for storing powder, the powder enters the material cavity 11 from the material inlet 12, and leaves the material cavity 11 from the material outlet 13. The first rotation-resisting type level gauge 20 is used for detecting whether the powder in the storage hopper 10 runs out soon, and when the top surface of the powder is higher than the first fan blade 22, i.e. the first fan blade 22 is buried in the powder, the first fan blade 22 interferes with the powder, so that the first fan blade 22 cannot rotate. When the top surface of the powder is lower than the first fan blade 22, the first fan blade 22 rotates without the obstruction of the powder, so that the first driving main body 21 responds, and the staff knows that the powder in the storage hopper 10 is used and starts to add the powder into the storage hopper 10. The blanking structure drives powder adhered to the inner wall surface of the material cavity 11 through blowing or vibration or a combination of blowing and vibration so as to separate the powder from the inner wall surface of the material cavity 11. In this way, the amount of powder adhering to the inner wall surface of the material chamber 11 is greatly reduced.

In some embodiments, please refer to fig. 1 and 2, the blanking structure includes an air blowing mechanism 30, the air blowing mechanism 30 includes a first air source, an air blowing electromagnetic valve 31 and an air blowing pipe 32 which are sequentially connected, the air blowing pipe 32 is an air outlet end, one end of the air blowing pipe 32, which is far away from the air blowing electromagnetic valve 31, is sealed to penetrate through the storage hopper 10 to enter the feeding cavity 11, and the air blowing pipe 32 is welded to the outer surface of the storage hopper 10.

Specifically, the input of the air blowing solenoid valve 31 is connected with the output of the first air source through the air pipe, the output of the air blowing solenoid valve 31 is connected with the air blowing pipe 32 through the air pipe, the air blowing pipe 32 is made of steel, and the air blowing pipe 32 is fixed on the storage hopper 10 in a welding mode, so that the assembly difficulty is greatly reduced. When the powder adhered to the inner wall surface of the material cavity 11 needs to be cleaned, the air blowing electromagnetic valve 31 is controlled to conduct between the first air source and the air blowing pipe 32, and at the moment, the first air source conveys compressed air to the air blowing pipe 32 and ejects the powder adhered to the inner wall surface of the material cavity 11 from one end of the air blowing pipe 32 positioned in the material cavity 11. The structure is simple, easy to realize and beneficial to reducing the production cost. It will be appreciated that the blowing mechanism 30 may be provided in one, two or more.

In some embodiments, please refer to fig. 1 and 2, the blanking structure includes a vibration mechanism 40, the vibration mechanism 40 includes a second air source, a vibration electromagnetic valve 41 and a pneumatic hammer 42 connected in sequence, the pneumatic hammer 42 is mounted on the outer surface of the storage hopper 10, the pneumatic hammer 42 has a hammer head, the hammer head is an impact end, and the second air source is used for driving the hammer head.

Specifically, the hammer head is disposed towards the storage hopper 10, and the vibration electromagnetic valve 41 is a three-way electromagnetic valve, and the three-way electromagnetic valve and the pneumatic hammer 42 are all of the prior art and are quite common, so that they will not be described in detail herein. When the powder adhered to the inner wall surface of the material cavity 11 needs to be cleaned, the vibration electromagnetic valve 41 is electrified, and the second air source is communicated with the pneumatic hammer 42. The second air source supplies air to the pneumatic hammer 42 to drive the hammer head to move forward and strike the outer surface of the storage hopper 10, then the vibration solenoid valve 41 is powered off, a channel between the second air source and the pneumatic hammer 42 is closed, the pneumatic hammer 42 is communicated with the outside, and high-pressure air in the pneumatic hammer 42 flows to the outside, so that the hammer head is reset. The vibration electromagnetic valve 41 is repeatedly controlled to be powered on and off, so that the hammer head can continuously impact the storage hopper 10, and powder adhered to the inner wall surface of the material cavity 11 can be shaken off. The structure is to shake off the powder by vibration, and the cleaning effect of the former is better than that of blowing off the powder by blowing, and it is understood that one, two or more vibration mechanisms 40 may be provided.

Of course, in other embodiments, the blowing mechanism 30 and the vibrating mechanism 40 are mounted on the storage hopper 10 at the same time.

In some embodiments, referring to fig. 1 and 2, the vibration mechanism 40 further includes a reinforcing plate 43, the reinforcing plate 43 is welded to the outer surface of the storage hopper 10, the pneumatic hammer 42 is mounted on the end surface of the reinforcing plate 43 away from the storage hopper 10, and a hammer head is used to strike the reinforcing plate 43. By arranging the reinforcing plate 43, the hammer head of the pneumatic hammer 42 is prevented from directly striking the storage hopper 10, so that the damage of the storage hopper 10 is reduced, and the service life of the storage hopper 10 is prolonged.

In some embodiments, referring to fig. 1 and 2, the vibration mechanism 40 further includes a rope and a hanging member 44, the hanging member 44 is welded on the outer surface of the storage hopper 10 and is located above the pneumatic hammer 42, the pneumatic hammer 42 has a rope hole through which the rope passes, and the head and tail ends of the rope respectively pass through the hanging member 44 and the rope hole and are knotted to form a closed loop structure. Specifically, through holes are formed in the hanging piece 44 and the pneumatic hammer 42, and one end of the rope sequentially passes through the through hole in the hanging piece 44 and the through hole in the pneumatic hammer 42 and then is knotted with the other end of the rope. By this arrangement, the possibility of dropping the pneumatic hammer 42 is reduced, and the safety performance is improved.

In some embodiments, referring to fig. 1 and 2, the first rotation-resisting level gauge 20 further includes a first baffle 24 welded to an inner wall surface of the material cavity 11, and the first baffle 24 is located above the first fan blade 22 and covers the first fan blade 22 and the first rotating shaft 23. The first baffle 24 is used for protecting the first fan blade 22 and the first rotating shaft 23, and by providing the first baffle 24, damage to the first fan blade 22 and the first rotating shaft 23 caused by powder falling from a height can be reduced.

In some embodiments, referring to fig. 1 and 2, the first striker plate 24 is arched in a direction away from the first fan blade 22, such that both the upper and lower surfaces of the first striker plate 24 are curved. Specifically, the first striker plate 24 is arched upward, and is integrally arc-shaped, so that when the powder in the material cavity 11 is lower than the first striker plate 24, the powder on the first striker plate 24 can fall along the arc surface of the first striker plate 24, and a large amount of powder can be prevented from being accumulated on the first striker plate 24.

In some embodiments, referring to fig. 1 and 2, the powder storage device 100 further includes a second rotation-resisting type level gauge 50, the second rotation-resisting type level gauge 50 includes a second driving main body 51 and a second fan blade 52, the second driving main body 51 is installed on the outer surface of the storage hopper 10 and is located at the upper end of the storage hopper 10, the second fan blade 52 is located in the material cavity 11 and is disposed adjacent to the inner wall of the material cavity 11, a second rotating shaft 53 is fixedly disposed in the middle of the second fan blade 52, the second rotating shaft 53 penetrates through the storage hopper 10 in a sealing manner and is connected with the second driving main body 51, and the second driving main body 51 is used for driving the second rotating shaft 53 to rotate around a horizontal axis.

Specifically, in the present embodiment, the structure of the second rotation-resistant level gauge 50 is the same as that of the first rotation-resistant level gauge 20. It will be appreciated that the first rotation-resisting type level gauge 20 is used for detecting whether the powder in the storage hopper 10 is in a material shortage state, and the second rotation-resisting type level gauge 50 is used for detecting whether the powder in the storage hopper 10 is in a material full state. When the second fan blade 52 is buried in the powder in the material cavity 11, the second fan blade 52 stops rotating, and the second driving main body 51 responds, so that the staff knows that the powder in the material storage hopper 10 is in a full material state and terminates feeding.

In some embodiments, referring to fig. 1 and 2, the second rotation-resistant level gauge 50 further includes a second baffle 54 welded to an inner wall surface of the material cavity 11, where the second baffle 54 is located above the second fan blade 52 and covers the second fan blade 52 and the second rotating shaft 53. The second baffle 54 is used for protecting the second fan blade 52 and the second rotating shaft 53, and by providing the second baffle 54, damage of the powder in the falling state to the second fan blade 52 and the second rotating shaft 53 can be reduced.

In some embodiments, the powder storage device 100 further includes a control box and a first signal lamp, and the blanking structure, the first driving body 21, and the first signal lamp are all electrically connected with the control box. The first signal lamp can be installed on the storage hopper 10, can also be installed on the control box, and can also be placed on the ground as long as the staff can see. When the first fan blade 22 rotates, the first driving body 21 feeds back the working state of the first fan blade 22 to the control box, and the control box controls the first signal lamp to light. When the first fan blade 22 stops rotating, the first driving main body 21 feeds back the working state of the first fan blade 22 to the control box, and the control box controls the first signal lamp to turn off.

It is understood that the second driving body 51, the air blowing solenoid valve 31 and the vibration solenoid valve 41 are all electrically connected to a control box, and the operation of the air blowing solenoid valve 31 and the vibration solenoid valve 41 is controlled by the control box.

In addition, in some embodiments, the powder storage device 100 further includes a second signal lamp, and the second signal lamp is also electrically connected to the control box. As can be appreciated, when the second fan blade 52 rotates, the second driving body 51 feeds back the operating state of the second fan blade 52 to the control box, and the control box controls the second signal lamp to turn on. When the second fan blade 52 stops rotating, the second driving main body 51 feeds back the working state of the second fan blade 52 to the control box, and the control box controls the second signal lamp to turn off.

Through setting up first signal lamp and second signal lamp for the staff can know more easily whether the powder in the storage hopper 10 is in the state of lack material or full material, has improved the practicality greatly.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a powder storage device which characterized in that: comprising

The storage hopper is provided with a material cavity for containing powder, and the upper end and the lower end of the material cavity are both open and respectively form a feed inlet and a discharge outlet;

the first rotation-resisting type level gauge comprises a first driving main body and first fan blades, wherein the first driving main body is arranged on the outer surface of the storage hopper and positioned at the lower end of the storage hopper, the first fan blades are positioned in the material cavity and are close to the inner wall of the material cavity, a first rotating shaft is fixedly arranged in the middle of each first fan blade, and the first rotating shaft penetrates out of the storage hopper in a sealing manner and is connected with the first driving main body, and the first driving main body is used for driving the first rotating shaft to rotate around a horizontal shaft;

the blanking structure is arranged on the outer surface of the storage hopper, the blanking structure is provided with an air outlet end which penetrates into the material cavity in a sealing mode and is used for jetting air, and/or the blanking structure is provided with an impact end which moves in a reciprocating and linear mode along a preset direction and is used for impacting the storage hopper.

2. The powder storage device of claim 1, wherein: the blanking structure comprises an air blowing mechanism, the air blowing mechanism comprises a first air source, an air blowing electromagnetic valve and an air blowing pipe which are sequentially connected, the air blowing pipe is an air outlet end, one end of the air blowing pipe, which is far away from the air blowing electromagnetic valve, is sealed to penetrate through the storage hopper to enter the material cavity, and the air blowing pipe is welded to the outer surface of the storage hopper.

3. The powder storage device of claim 1, wherein: the blanking structure comprises a vibrating mechanism, the vibrating mechanism comprises a second air source, a vibrating electromagnetic valve and a pneumatic hammer which are sequentially connected, the pneumatic hammer is mounted on the outer surface of the storage hopper and is provided with a hammer head, the hammer head is an impact end, and the second air source is used for driving the hammer head.

4. A powder storage device according to claim 3, wherein: the vibration mechanism further comprises a reinforcing plate, the reinforcing plate is welded to the outer surface of the storage hopper, the pneumatic hammer is mounted on the end face, far away from the storage hopper, of the reinforcing plate, and the hammer head is used for impacting the reinforcing plate.

5. A powder storage device according to claim 3, wherein: the vibration mechanism further comprises a rope and a hanging piece, the hanging piece is welded on the outer surface of the storage hopper and is located above the pneumatic hammer, the pneumatic hammer is provided with a rope hole through which the rope passes, and the head end and the tail end of the rope respectively pass through the hanging piece and the rope hole and are knotted to form a closed loop structure.

6. The powder storage device of claim 1, wherein: the powder storage device further comprises a control box and a first signal lamp, and the blanking structure, the first driving main body and the first signal lamp are electrically connected with the control box.

7. The powder storage device of claim 1, wherein: the first rotation-resistant material level gauge further comprises a first baffle plate welded on the inner wall surface of the material cavity, wherein the first baffle plate is positioned above the first fan blade and covers the first fan blade and the first rotating shaft.

8. The powder storage device of claim 7, wherein: the first striker plate arches along the direction of keeping away from first flabellum, so that upper and lower two surfaces of first striker plate are the arc.

9. The powder storage device of claim 1, wherein: the powder storage device further comprises a second rotation-resistant type level gauge, the second rotation-resistant type level gauge comprises a second driving main body and second fan blades, the second driving main body is installed on the outer surface of the storage hopper and located at the upper end of the storage hopper, the second fan blades are located in the material cavity and close to the inner wall of the material cavity, a second rotating shaft is fixedly arranged in the middle of the second fan blades, the second rotating shaft penetrates out of the storage hopper in a sealing mode and is connected with the second driving main body, and the second driving main body is used for driving the second rotating shaft to rotate around a horizontal shaft.

10. The powder storage device of claim 9, wherein: the second rotation-resistant material level gauge further comprises a second baffle plate welded on the inner wall surface of the material cavity, wherein the second baffle plate is positioned above the second fan blade and covers the second fan blade and the second rotating shaft.

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