CN117902179A - Powder storage bucket - Google Patents

Abstract

The invention discloses a powder storage bucket, which comprises: the hopper body is used for storing powder and comprises a first end and a second end which are opposite to each other, wherein the first end is provided with a feed inlet for receiving the powder, and the second end is provided with a discharge outlet communicated with the internal mixer; the first arch breaking mechanism is arranged at the first end and used for balancing the air pressure difference between the inside and the outside of the hopper body, and arch breaking teeth of the first arch breaking mechanism extend into the hopper body and are used for performing up-and-down reciprocating motion when the hopper body is used for discharging so as to improve the discharging efficiency; the microwave level meter is arranged outside the discharge port and is used for detecting the powder material level at the discharge port while not contacting the powder in the hopper body. According to the powder storage hopper provided by the invention, the breathing assembly and the first arch breaking mechanism are arranged, so that the discharging process of the hopper body is smoother, and the microwave level meter is used for detecting the material level to ensure that the powder in the hopper body is completely discharged, so that the weighed powder is ensured to completely enter the internal mixer, and the internal mixing effect is ensured.

Description

Powder storage bucket

Technical Field

The invention relates to the technical field of powder storage equipment, in particular to a powder storage bucket.

Background

Banburying is an important process in the production process of rubber products, in the banburying process, various powder materials are required to be prepared, and when the powder materials are required to be used, the powder materials are timely put into an internal mixer, and powder storage hoppers are often used for temporarily storing powder after weighing in the prior art, so that the influence of weighing time on the banburying efficiency is avoided.

But current powder storage fill carries out the in-process of throwing the material behind the storage powder, because the powder can adhere at the inner wall of powder storage fill, can lead to the powder in the powder storage fill to throw the material not thoroughly, and prior art is difficult to detect the row material degree of the material in the powder storage fill, can produce the powder in the powder storage fill and remain, and then lead to weighing qualified powder and throw the material not enough, influence the effect of banburying process.

Therefore, how to avoid powder remaining in the powder storage hopper during the feeding process so as to ensure the effect of the banburying process is a technical problem to be solved by those skilled in the art.

Disclosure of Invention

Therefore, the invention aims to provide a powder storage hopper so as to prevent powder from remaining in the powder storage hopper in the feeding process, thereby ensuring the effect of the banburying process.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a powder storage hopper comprising:

The hopper body is used for storing powder and comprises a first end and a second end which are opposite, wherein the first end is provided with a feed inlet for receiving the powder, and the second end is provided with a discharge outlet communicated with the internal mixer;

The breathing assembly is used for balancing the air pressure difference between the inside and the outside of the hopper body, arch breaking teeth of the first arch breaking mechanism extend into the hopper body, and the arch breaking teeth are used for performing up-and-down reciprocating motion when the hopper body is used for discharging so as to improve the discharging efficiency;

The microwave level meter is arranged at the outer side of the discharge port and is used for detecting the powder material level at the discharge port while not contacting the powder in the hopper body.

Preferably, in the powder storage hopper, the breathing assembly comprises a cover plate, a breathing filter bag and a filter bag framework, wherein the cover plate is fixedly and hermetically connected to the hopper body, and the breathing filter bag is sleeved outside the filter bag framework and is communicated with the inner space and the outer space of the hopper body.

Preferably, in the powder storage hopper, two of the breather filter bags are provided.

Preferably, in the powder storage hopper, the arch breaking teeth are driven by a first cylinder to reciprocate up and down in the hopper body, and the arch breaking teeth include four areas with different tooth shapes.

Preferably, in the powder storage hopper, a nozzle is arranged at one end of the first arch breaking mechanism extending into the hopper body, and the nozzle is connected with an air source and is used for blowing in the discharging process of the hopper body.

Preferably, in the powder storage hopper, an inner liner is provided on the inner wall of the hopper body in a fitting manner, and the inner liner is used for directly contacting with the powder and is made of a flexible material.

Preferably, in the powder storage hopper, a second arch breaking mechanism is arranged on the side wall of the lining, the second arch breaking mechanism comprises a plug, a wire sleeve and a second air cylinder, and the second air cylinder is used for driving the plug to push the lining.

Preferably, in the powder storage hopper, two sets of second arch breaking mechanisms are arranged on the side wall of the lining at intervals.

Preferably, in the powder storage bucket, the powder storage bucket further comprises a tensioning assembly, the tensioning assembly comprises a tensioning screw rod, a tensioning plate and a connecting plate, the connecting plate is fixedly connected with the bucket body, the tensioning plate is fixedly connected with the lining, the tensioning plate is connected with the connecting plate through the tensioning screw rod, and the tensioning screw rod is used for adjusting the height of the tensioning plate to tension the lining.

Preferably, in the powder storage hopper, the lining is made of nylon adhesive tape or HEPA dragon.

Preferably, in the powder storage hopper, the microwave level gauge includes a transmitting end and a receiving end, the transmitting end is used for transmitting microwaves to the receiving end, and the receiving end is used for receiving the microwaves when no powder exists between the transmitting end and the receiving end.

Preferably, in the powder storage hopper, the powder storage hopper further comprises a bracket, wherein three supporting seats are uniformly arranged on the side wall of the hopper body, and the bracket is sleeved on the outer side of the hopper body and supports the supporting seats.

Preferably, in the powder storage hopper, the first end and the second end of the hopper body are eccentric structures in a vertical direction.

Preferably, in the powder storage hopper, the discharge port is provided with a discharge valve.

The invention provides a powder storage hopper, which comprises a hopper body for storing powder, wherein the hopper body comprises a first end and a second end which are oppositely arranged at opposite sides of the hopper body, the first end is provided with a feed inlet for receiving the powder, the powder is put into the hopper body through the feed inlet, the second end is provided with a discharge port communicated with an internal mixer, and the powder in the hopper body is put into the internal mixer through the discharge port; the first end of the hopper body is provided with a breathing assembly and a first arch breaking mechanism, wherein the breathing assembly is used for balancing the air pressure difference between the inner part and the outer part of the hopper body, so that the influence of negative pressure in the hopper body in the discharging process on the discharging effect is avoided, the first arch breaking mechanism comprises arch breaking teeth, the arch breaking teeth extend into the hopper body, and the arch breaking teeth reciprocate up and down in the hopper body in the discharging process of the hopper body so as to break the arch plugs of the powder in the hopper body and improve the discharging efficiency; the outside at discharge gate position is provided with microwave level gauge, and microwave level gauge can be through the material level of microwave detection discharge gate position to confirm whether the material is whole to be discharged, simultaneously because microwave level gauge sets up in the discharge gate outside, make microwave level gauge can not with powder contact, contact the powder and influence the discharge efficiency of powder when avoiding detecting the material level.

According to the powder storage hopper provided by the invention, the first end of the hopper body is provided with the breathing assembly and the first arch breaking mechanism, so that the difference between internal and external air pressures of the hopper body in the discharging process is balanced, and the arch breaking teeth of the first arch breaking mechanism break away the powder of the arch plug in the hopper body, so that the discharging of the hopper body is smoother and more thorough, and meanwhile, the outer side of the discharging hole is provided with the microwave level meter, so that the powder level at the discharging hole is detected while the powder in the hopper body is not contacted, the influence of the level detection on the powder discharging is avoided, and whether the powder remains in the hopper body is timely determined, so that whether the powder in the hopper body is completely discharged is determined, and the effect of the banburying process is further ensured.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, 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 view of a powder storage bucket according to an embodiment of the present invention;

FIG. 2 is a schematic view of a respiratory assembly of a powder storage hopper according to an embodiment of the present invention;

FIG. 3 is a schematic view of a first arch breaking mechanism of a powder storage hopper according to an embodiment of the present invention;

FIG. 4 is a schematic view of a second arch breaking mechanism of the powder storage hopper according to the embodiment of the present invention;

FIG. 5 is a schematic view of a tensioning assembly of a powder storage bucket according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a microwave level gauge of a powder storage bucket according to an embodiment of the present invention;

wherein 10 is the bucket body, 110 is the feed inlet, 120 is the discharge gate, 130 is the supporting seat, 20 is the respiratory subassembly, 210 is the apron, 220 is the respiratory filter bag, 230 is the filter bag skeleton, 30 is first broken arch mechanism, 310 is broken arch tooth, 320 is first cylinder, 330 is the nozzle, 40 is the microwave level meter, 410 is the transmitting end, 420 is the receiving end, 50 is the inside lining, 60 is the broken arch mechanism of second, 610 is the top, 620 is the silk shell, 630 is the second cylinder, 70 is the tensioning subassembly, 710 is the tensioning lead screw, 720 is the connecting plate, 730 is the tensioning plate, 80 is the support, 90 is the discharge valve.

Detailed Description

The core of the invention is to disclose a powder storage hopper so as to prevent powder from remaining in the powder storage hopper in the feeding process, thereby ensuring the effect of the banburying process.

In order to better understand the solution of the present invention, the following description of the embodiments of the present invention refers to the accompanying drawings. Furthermore, the embodiments shown below do not limit the summary of the invention described in the claims. The whole contents of the constitution shown in the following examples are not limited to the solution of the invention described in the claims.

As shown in fig. 1 to 6, the powder storage hopper provided by the embodiment of the invention comprises a hopper body 10, a respiratory component 20, a first arch breaking mechanism 30 and a microwave level meter 40, wherein the hopper body 10 is used for storing weighed powder and throwing the powder into an internal mixer when the powder is required to be used, the hopper body 10 comprises a first end and a second end which are oppositely arranged at opposite sides of the hopper body 10, a feed inlet 110 for receiving the powder is arranged at the first end, the powder is thrown into the hopper body 10 through the feed inlet 110, the feed inlet 110 is usually provided with a hanging ring and a proximity switch, the hanging ring is used for fixing a pipeline for conveying the powder and the feed inlet 110, and the proximity switch is used for opening after the pipeline for conveying the powder is butted with the feed inlet 110 so as to ensure the accuracy of powder conveying; a discharge port 120 communicated with the internal mixer is arranged at the second end of the hopper body 10, and when powder is needed to be used, the powder in the hopper body 10 is put into the internal mixer through the discharge port 120.

Because the hopper body 10 can make the inside of the hopper body 10 generate negative pressure in the process of discharging powder, so that the powder receives the pressure of external air at the discharge port 120 and influences the discharging, the first end of the hopper body 10 is provided with the breathing assembly 20, and the breathing assembly 20 is communicated with the inside and the outside of the hopper body 10 to balance the pressure difference between the inside and the outside of the hopper body 10, so that the smooth discharging process of the hopper body 10 is ensured.

The first arch breaking mechanism 30 is also arranged at the first end of the bucket body 10, the first arch breaking mechanism 30 comprises arch breaking teeth 310, the arch breaking teeth 310 extend into the bucket body 10, and in the process of discharging the bucket body 10, the arch breaking teeth 310 reciprocate up and down in the bucket body 10 so as to break the arch plug of powder in the bucket body 10, and the discharging efficiency is improved.

The microwave level gauge 40 is arranged at the position of the discharge hole 120 of the hopper body 10 to detect the material level of the discharge hole 120, the microwave level gauge 40 is used for measuring the material level through microwaves, the material level can be measured under the condition of not contacting powder, the problems of unsmooth powder discharge and inaccurate material level detection caused by powder contact positioning are avoided, whether all materials in the hopper body 10 are discharged from the discharge hole 120 can be accurately measured through the microwave level gauge 40, and the discharge working state of the hopper body 10 is maintained when the microwave level gauge 40 detects that the material level at the discharge hole 120 is higher until the microwave level gauge 40 detects that the powder at the discharge hole 120 is discharged, and the problem that the weighed powder does not completely enter an internal mixer to influence the internal mixing efficiency is avoided.

As can be seen from the above embodiments, the powder storage hopper provided by the embodiment of the present invention includes the hopper body 10 for storing the weighed powder, and the hopper body 10 includes the first end and the second end, where the first end and the second end are disposed on opposite sides of the hopper body 10, so that the hopper body 10 receives the powder through the feed inlet 110 on the first end and discharges the powder to the internal mixer through the discharge outlet 120 on the second end, and meanwhile, the first end of the hopper body 10 is provided with the breathing assembly 20 and the first arch breaking mechanism 30, so that the internal and external air pressure differences of the hopper body 10 are balanced, and the arch breaking teeth 310 of the first arch breaking mechanism 30 break the powder of the arch plug inside the hopper body 10, so that the discharge of the hopper body 10 is smoother and more thorough, and the microwave level gauge 40 is disposed outside the discharge outlet 120, so as to detect the powder level at the discharge outlet 120, and timely determine whether the powder remains in the hopper body 10, thereby ensuring the complete discharge of the powder in the internal mixing process.

Further, as shown in fig. 2, the breathing assembly 20 includes a cover plate 210, a breathing filter bag 220 and a filter bag framework 230, the cover plate 210 is fixedly and hermetically connected to the bucket body 10, the filter bag framework 230 is disposed on the cover plate 210, the breathing filter bag 220 is sleeved outside the filter bag framework 230 and is communicated with the internal and external space of the bucket body 10, and the breathing filter bag 220 can balance the internal and external pressure difference of the bucket body 10 and simultaneously avoid powder escaping from the bucket body 10.

Further, two breathing filter bags 220 are preferably arranged to ensure the effect of balancing the pressure difference between the inside and the outside of the hopper body 10 by the breathing assembly 20 on the basis of ensuring the cost, and the two breathing filter bags 220 can be standby filter bags when the breathing efficiency is improved, so that the discharging efficiency of the hopper body 10 is prevented from being influenced by the failure of the single breathing filter bag 220.

In an embodiment of the present invention, as shown in fig. 3, the arch breaking teeth 310 are driven by the first cylinder 320 to reciprocate up and down during the discharging process of the hopper body 10, so as to achieve the arch breaking effect on the powder, preferably, the arch breaking teeth 310 include four areas with different tooth shapes, so as to cause different arch breaking effects on the powder through different tooth shapes, and avoid the problem that the arch breaking teeth 310 have a single tooth shape, so that the powder still generates an arch plug after adapting to a single tooth shape.

In order to further optimize the above technical solution, as shown in fig. 3, in an embodiment of the present invention, a nozzle 330 is disposed at an end of the first arch breaking mechanism 30 extending into the hopper body 10, and the nozzle 330 is connected to an air source, and the nozzle 330 is used for blowing in the process of discharging the hopper body 10, so that the structure of the powder in the hopper body 10 can be damaged, and the arch plug of the powder can be broken better by combining with the first arch breaking mechanism 30, so that the discharging process of the hopper body 10 is smoother.

Further, since the bucket body 10 is made of a rigid material, once the powder forms an arch plug on the bucket body 10 and adheres to the inner wall of the bucket body 10, the adhered powder is difficult to slide due to the failure of deformation of the bucket body 10, so in an embodiment of the invention, the inner wall of the bucket body 10 is adhered with the inner liner 50, the inner liner 50 is used for directly contacting the powder, the inner liner 50 is made of a flexible material, the inner liner 50 made of a flexible material is easy to vibrate compared with the rigid bucket body 10, and the powder adhered to the inner wall of the inner liner 50 is shaken off in the powder discharging process, so that the weighed powder is completely discharged.

On the basis of the above embodiment, in order to make the liner 50 vibrate sufficiently during the discharging process to accelerate the discharging of the powder, as shown in fig. 1 and 4, in an embodiment of the present invention, a second arch breaking mechanism 60 is disposed at a side wall position outside the liner 50, where the second arch breaking mechanism 60 is used to impact the side wall of the liner 50 during the discharging process to increase the vibration amplitude of the liner 50, so as to avoid the powder from adhering to the inner wall of the liner 50, specifically, the second arch breaking mechanism 60 includes a plug 610, a wire sleeve 620 and a second cylinder 630, where the second cylinder 630 is used to drive the plug 610 to reciprocate to push the liner 50 to vibrate.

Further, in an embodiment of the present invention, two sets of second arch breaking mechanisms 60 are circumferentially disposed at intervals on the side wall of the liner 50, and the two sets of second arch breaking mechanisms 60 are symmetrically disposed along a certain angle on the side wall of the liner 50 to cooperate to perform an arch breaking action, so that vibration of the liner 50 in the circumferential direction is uniform, and powder falls uniformly, it should be noted that multiple sets of second arch breaking mechanisms 60 may be disposed to further enhance the vibration effect of the liner 50 in the circumferential direction of the liner 50, and multiple sets of second arch breaking mechanisms 60 may also be disposed at different heights of the liner 50 to vibrate at different height positions of the liner 50.

Further, since the flexible liner 50 is easily wrinkled, powder may be accumulated at the wrinkled position of the liner 50, as shown in fig. 1 and 5, in an embodiment of the present invention, a tensioning assembly 70 for tensioning the liner 50 is further provided, specifically, the tensioning assembly 70 includes a tensioning screw 710, a tensioning plate 730 and a connecting plate 720, wherein the connecting plate 720 is fixedly connected to the bucket body 10, the tensioning plate 730 is fixedly connected to the liner 50, the tensioning plate 730 is connected to the connecting plate 720 through the screw, and the height of the tensioning plate 730 is adjusted by adjusting the screw, so that the liner 50 can be kept in a tensioned state.

Further, the lining 50 is made of nylon adhesive or HEPA dragon.

Further, as shown in fig. 1 and 6, in the powder storage bucket provided by the embodiment of the invention, the microwave level gauge 40 includes a transmitting end 410 and a receiving end 420, the transmitting end 410 and the receiving end 420 are disposed at two sides of the discharge port 120, wherein the transmitting end 410 is used for transmitting microwaves to the receiving end 420, the receiving end 420 is used for receiving microwaves, the receiving end 420 can only receive the microwaves transmitted by the transmitting end 410 when no powder exists between the transmitting end 410 and the receiving end 420, and the receiving end 420 can not receive the microwaves transmitted by the transmitting end 410 when powder exists between the transmitting end 410 and the receiving end 420, so that the level detection of the microwave level gauge 40 on the position of the discharge port 120 is realized, that is, when the receiving end 420 receives the microwaves transmitted by the transmitting end 410, the powder at the position of the discharge port 120 is considered to be completely discharged.

Further, the powder storage bucket provided by the embodiment of the invention further comprises a bracket 80, and correspondingly, three supporting seats 130 are uniformly arranged on the side wall of the bucket body 10, and the bracket 80 is sleeved on the outer side of the bucket body 10 and supports the corresponding supporting seats 130 so as to prop up the bucket body 10.

Further, the first and second ends of the hopper body 10 are eccentric in the vertical direction so that the discharge port 120 can be disposed close to the internal mixer.

Further, a discharge valve 90 is disposed at the position of the discharge port 120 to control the opening and closing of the discharge port 120 and further control the time of powder entering the internal mixer, and the discharge valve 90 may be a clamping type discharge valve or a pneumatic butterfly valve.

The terms "first," "second," "left" and "right," "up" and "down" in the description and claims of the invention and in the above-described figures are used for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to the listed steps or elements but may include steps or elements not expressly listed.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (14)

1. A powder storage hopper, comprising:

The hopper body (10) is used for storing powder and comprises a first end and a second end which are opposite, wherein the first end is provided with a feed inlet (110) for receiving the powder, and the second end is provided with a discharge outlet (120) communicated with the internal mixer;

The breathing assembly (20) is arranged at the first end and is used for balancing the air pressure difference between the inside and the outside of the bucket body (10), arch breaking teeth (310) of the first arch breaking mechanism (30) extend into the bucket body (10), and the arch breaking teeth (310) are used for performing up-and-down reciprocating motion when the bucket body (10) is used for discharging so as to improve the discharging efficiency;

The microwave level meter (40) is arranged outside the discharge hole (120) and is used for detecting the powder material level at the discharge hole (120) while not contacting the powder in the hopper body (10).

2. The powder storage hopper as claimed in claim 1, wherein the breathing assembly (20) comprises a cover plate (210), a breathing filter bag (220) and a filter bag framework (230), the cover plate (210) is fixedly and hermetically connected to the hopper body (10), and the breathing filter bag (220) is sleeved outside the filter bag framework (230) and is communicated with the internal and external spaces of the hopper body (10).

3. The powder storage hopper as claimed in claim 2, characterized in that two breather filter bags (220) are provided.

4. The powder storage hopper as claimed in claim 1 wherein the teeth (310) are driven by a first cylinder (320) to reciprocate up and down within the hopper body (10), the teeth (310) comprising four differently toothed regions.

5. The powder storage hopper as claimed in claim 1, wherein the end of the first arch breaking mechanism (30) extending into the hopper body (10) is provided with a nozzle which is connected to an air source and is blown during the discharge of the hopper body (10).

6. The powder storage bucket according to claim 1, wherein an inner wall of the bucket body (10) is provided with a lining (50) in a fitting manner, the lining (50) is used for directly contacting powder, and the lining (50) is made of a flexible material.

7. The powder storage hopper as claimed in claim 6 wherein the side wall of the liner (50) is provided with a second arch breaking mechanism (60), the second arch breaking mechanism (60) comprising a plug (610), a wire sleeve (620) and a second cylinder (630), the second cylinder (630) being adapted to drive the plug (610) to push the liner (50).

8. The powder storage hopper as claimed in claim 7 wherein the side wall of the liner (50) is provided with two sets of said second arch breaking means (60) spaced apart.

9. The powder storage bucket of claim 6, further comprising a tensioning assembly (70), the tensioning assembly (70) comprising a tensioning screw (710), a tensioning plate (730) and a connecting plate (720), the connecting plate (720) being fixedly connected to the bucket body (10), the tensioning plate (730) being fixedly connected to the liner (50), the tensioning plate (730) being connected to the connecting plate (720) via the tensioning screw (710), the tensioning screw (710) being used to adjust the height of the tensioning plate (730) to tension the liner (50).

10. The powder storage hopper as claimed in claim 6, characterized in that the lining (50) is made of nylon fabric or hparone.

11. The powder storage hopper of claim 1, wherein the microwave level gauge (40) includes a transmitting end (410) and a receiving end (420), the transmitting end (410) being configured to transmit microwaves to the receiving end (420), the receiving end (420) being configured to receive microwaves in the absence of powder between the transmitting end (410) and the receiving end (420).

12. The powder storage hopper as claimed in claim 1, further comprising a bracket (80), wherein three supporting seats (130) are uniformly provided on the side wall of the hopper body (10), and the bracket (80) is sleeved outside the hopper body (10) and supports the supporting seats (130).

13. Powder storage bucket according to claim 1, wherein the first and second ends of the bucket body (10) are of an eccentric configuration in the vertical direction.

14. The powder storage hopper as claimed in claim 1, characterised in that the discharge opening (120) is provided with a discharge valve (90).