CN115979392A - Liquid hopper scale - Google Patents

Abstract

The invention discloses a liquid hopper scale, which comprises a weighing component and an oil injection component, wherein the weighing component comprises: the oil storage hopper is communicated with the bottom of the scale hopper through an oil discharge ball valve; the circulating pipeline is provided with an ultra-poor oil hopper used for storing oil, a circulating pump used for driving the oil to flow in the circulating pipeline, and a pipeline valve used for controlling the on-off of the circulating pipeline, wherein the pipeline valve is arranged between the scale hopper and the ultra-poor oil hopper. The invention discloses a liquid hopper scale, which is provided with a circulating pipeline communicated with a scale hopper, so that when the oil weighed in the scale hopper is more than the formula requirement, the redundant oil is introduced into an ultra-poor oil hopper on the circulating pipeline, the weighing precision of the scale hopper on the oil is ensured under the condition of keeping the working state of an internal mixer, and the liquid hopper scale is kept injecting oil to the internal mixer stably and quantitatively.

Description

Liquid hopper scale

Technical Field

The invention relates to the technical field of liquid material weighing and conveying equipment, in particular to a liquid hopper scale.

Background

Banburying is an important flow in the production process of rubber products, in the banburying process, the banbury mixer needs to inject the refining oil quantitatively according to the formula requirement to carry out banburying action, while the quantitative oil feeding function of the existing banbury mixer is realized through a liquid hopper scale, the liquid hopper scale carries out the weighing of the refining oil through a weighing assembly, and then carries out the oil injection through an oil injection assembly to complete the quantitative oil feeding of the banbury mixer.

According to the requirement of an internal mixing formula, after the weighing component finishes quantitative weighing of the internal mixing oil, the internal mixing oil is discharged into an oil storage hopper below through an oil discharge ball valve, after an oil filling demand signal of the internal mixer is received, the internal mixing oil temporarily stored in the oil storage hopper is pressed into the internal mixer through an oil filling pump by an oil filling component so as to finish oil feeding of the internal mixer.

Therefore, how to keep the stable and quantitative oil injection to the internal mixer during the operation of the internal mixer is a technical problem which needs to be solved urgently by the technical personnel in the field.

Disclosure of Invention

In view of the above, the present invention is directed to a liquid hopper scale for keeping a stable and quantitative oil injection to an internal mixer during the operation of the internal mixer.

In order to achieve the purpose, the invention provides the following technical scheme:

a liquid hopper scale comprising a weighing assembly and an oil injection assembly, the weighing assembly comprising:

the oil storage hopper is communicated with the bottom of the scale hopper through an oil discharge ball valve;

the circulating pipeline is provided with an ultra-poor oil hopper for storing oil, a circulating pump for driving the oil to flow in the circulating pipeline and a pipeline valve for controlling the on-off of the circulating pipeline, wherein the pipeline valve is arranged between the scale hopper and the ultra-poor oil hopper.

Preferably, in the above liquid hopper scale, the over-tolerance oil hopper is connected to a drain pipe by way of a bypass, and the drain pipe is provided with a drain valve.

Preferably, in the above liquid hopper scale, the pipe valve includes an angle seat valve that is opened when oil needs to flow in the circulation line.

Preferably, in the liquid hopper scale, the pipeline valve further includes a stop valve or a ball valve for manually controlling the on/off and flow rate of the circulation pipeline.

Preferably, in the above liquid hopper scale, the weighing assembly further includes a liquid level detection part for detecting an oil level in the over-tolerance oil hopper.

Preferably, in the above liquid hopper scale, the liquid level detection member is a tuning fork type level meter or a capacitance type level meter. Preferably, in above-mentioned liquid hopper scale, the oiling subassembly includes the oil collecting hopper, the oil collecting hopper passes through the pipeline intercommunication the oil storage hopper, just the level of oil collecting hopper is less than the oil storage hopper is in order to collect the oil that is used for injecting into the banbury mixer in the oil storage hopper, the oil collecting hopper top is provided with the mouth of breathing, the oil collecting hopper passes through oiling hose intercommunication banbury mixer, be provided with the oiling pump that is used for driving the oil to get into the banbury mixer on the oiling hose.

Preferably, in the above liquid hopper scale, a liquid level meter for detecting a discharge state of the oil in the oil collecting hopper is arranged at a discharge port of the oil collecting hopper.

Preferably, in the liquid hopper scale, a three-way valve is arranged on the oil filling hose to be connected with a calibration pipeline in a bypass mode, the calibration pipeline is communicated to a calibration oil cylinder, and the calibration pipeline of the three-way valve is manually connected to discharge oil to the calibration oil cylinder and perform calibration of the weighing accuracy of the liquid hopper scale.

According to the technical scheme, the liquid hopper scale comprises a weighing component and an oil injection component, wherein the weighing component is used for quantitatively weighing and storing the oil amount required by the single work of an internal mixer, the oil injection component is used for injecting the oil weighed by the weighing component into the internal mixer, the weighing component comprises a hopper, an oil storage hopper, an oil discharge ball valve and a circulating pipeline, the hopper is communicated with an oil supply pipeline to receive and weigh the oil, the bottom of the hopper is communicated with the oil storage hopper, the oil discharge ball valve is arranged between the hopper and the oil storage hopper, the oil weighed quantitatively is transferred from the hopper to the oil storage hopper through the oil discharge ball valve, particularly, the circulating pipeline is a pipeline with an inlet and an outlet both communicated with the hopper, the inlet of the circulating pipeline is a port through which the oil enters the circulating pipeline, so that the oil in the hopper can smoothly enter the circulating pipeline, the inlet of the circulating pipeline is lower than the liquid level of the quantitative oil in the hopper, and the inlet of the circulating pipeline is preferably communicated with the bottom of the hopper; the circulating pipeline is provided with an ultra-poor oil bucket, a circulating pump and a pipeline valve, wherein the ultra-poor oil bucket is used for storing oil flowing in through an inlet of the circulating pipeline, the circulating pump is used for driving the oil to flow in the circulating pipeline, the pipeline valve is used for controlling the on-off of the circulating pipeline, and the pipeline valve is preferably arranged on the circulating pipeline between the scale bucket and the ultra-poor oil bucket so as to prevent the oil in the scale bucket from still flowing into the ultra-poor oil bucket when the pipeline valve is closed; when the weighed oil is less than the formula requirement, the valve of the oil supply pipeline connected with the scale bucket is inching to slowly inject the oil into the scale bucket so as to meet the quantitative weighing requirement of the scale bucket.

According to the liquid hopper scale provided by the invention, the circulating pipeline communicated with the scale bucket is arranged outside the scale bucket, so that when the weighing out-of-tolerance problem occurs in the process of weighing oil by the scale bucket, the oil is temporarily stored by the out-of-tolerance oil bucket of the circulating pipeline, equipment does not need to be stopped for maintenance, the accuracy of quantitative weighing of oil by the scale bucket can be ensured, the stable work of an internal mixer is ensured, and meanwhile, the stable quantitative oiling of the internal mixer is realized by the liquid hopper scale.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a weighing assembly of a liquid hopper scale according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a oiling assembly of a liquid hopper scale provided by an embodiment of the invention;

wherein, 10 are weighing the subassembly, 110 are the scale bucket, 120 are the oil discharge ball valve, 130 are the oil storage bucket, 140 are the circulation pipeline, 150 are the out of tolerance oil fill, 160 are the pipe valve, 170 are the circulating pump, 180 are the blow off pipe, 1810 are the blowoff valve, 190 are liquid level detection part, 20 are oiling subassembly, 210 are the oil collecting bucket, 2110 are the breathing mouth, 220 are the oiling hose, 230 are the oiling pump, 240 are the level gauge, 250 are the three-way valve, 260 are the check pipeline, 270 are the check oil section of thick bamboo.

Detailed Description

The core of the invention is to disclose a liquid hopper scale, which is used for keeping the liquid hopper scale to stably and quantitatively inject oil into an internal mixer in the working process of the internal mixer.

In order that those skilled in the art will better understand the present invention, embodiments thereof will be described below with reference to the accompanying drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.

As shown in fig. 1, the liquid hopper scale according to the embodiment of the present invention includes a weighing assembly 10 and an oil injection assembly 20, wherein the weighing assembly 10 is configured to quantitatively weigh and store an amount of oil required by a single operation of an internal mixer, the oil injection assembly 20 is configured to inject the oil weighed by the weighing assembly 10 into the internal mixer, and specifically, the weighing assembly 10 according to the embodiment of the present invention includes a hopper 110, an oil storage hopper 130, an oil discharge ball valve 120, and a circulation pipeline 140, wherein the hopper 110 is communicated with the oil supply pipeline to receive the oil supplied by the oil supply pipeline and weigh the oil, the oil storage hopper 130 is disposed at the bottom of the hopper 110 to receive the oil weighed by the hopper 110, and the oil discharge ball valve 120 is disposed between the hopper 110 and the oil storage hopper 130, and the oil discharge ball valve 120 is closed when the hopper 110 weighs the oil and is opened when the oil storage hopper 130 needs to be transferred after the weighing by the hopper 110 is completed.

The circulating pipeline 140 is a pipeline arranged outside the scale bucket 110, and an inlet and an outlet of the circulating pipeline 140 are both communicated with the scale bucket 110, it should be noted that the inlet of the circulating pipeline 140 refers to a port through which oil enters the circulating pipeline 140, so that in order to ensure that oil in the scale bucket 110 can smoothly enter the circulating pipeline 140, the inlet of the circulating pipeline 140 needs to be lower than the liquid level of quantitative oil in the scale bucket, preferably, the inlet of the circulating pipeline 140 is communicated with the bottom of the scale bucket 110, so that when oil flows into the circulating pipeline 140 from the scale bucket 110, the oil has a large pressure, and the process of flowing the oil into the circulating pipeline 140 is smoother; meanwhile, an out-of-tolerance oil bucket 150, a circulating pump 170 and a pipeline valve 160 are arranged on the circulating pipeline 140, wherein the out-of-tolerance oil bucket 150 is used for storing oil flowing in through an inlet of the circulating pipeline 140, the circulating pump 170 is used for driving the oil to smoothly flow in the circulating pipeline 140, and the pipeline valve 160 is used for controlling the on-off of the circulating pipeline 140, it should be noted that the pipeline valve 160 is preferably arranged on the circulating pipeline 140 between the scale bucket 110 and the out-of-tolerance oil bucket 150, so as to prevent the oil in the scale bucket 110 from still flowing into the out-of-tolerance oil bucket 150 when the pipeline valve 160 is closed.

The structure of the circulation pipeline 140 is used for solving the problem of weighing out-of-tolerance in the scale bucket 110, and the equipment does not need to be closed, and the specific working process at least comprises the steps of when the weighing out-of-tolerance occurs in the process of weighing the oil by the scale bucket 110, when the weighed oil is greater than the formula requirement, opening the pipeline valve 160 on the circulation pipeline 140 so that the oil in the scale bucket 110 properly flows into the out-of-tolerance oil bucket 150, timely closing the pipeline valve 160 after the weighing indication of the scale bucket 110 meets the requirement, and allowing the oil stored in the out-of-tolerance oil bucket 150 to flow into the scale bucket 110 through the outlet of the circulation pipeline 140 for recycling when the next oil injection requirement is generated by the internal mixer, so that the oil in the scale bucket 110 does not need to be discharged as waste liquid; when the weighed oil is less than the formula requirement, the valve of the oil supply pipeline connected with the scale bucket 110 is inching to slowly inject the oil into the scale bucket 110, so as to meet the quantitative weighing requirement of the scale bucket 110.

It should be noted that the size of the out-of-tolerance oil bucket 150 can be designed according to production requirements, and in an embodiment of the present invention, in order to solve the problem that when the oil-discharge ball valve 120 fails and cannot be opened, the oil in the scale bucket 110 cannot be discharged into the oil storage bucket 130 and can only be discharged as waste liquid, the capacity of the out-of-tolerance oil bucket 150 is not less than the volume of the oil weighed by the scale bucket 110 in a single quantitative manner, so that the oil weighed in the scale bucket 110 can be completely injected into the out-of-tolerance oil bucket 150 through the circulation pipeline 140, and after the oil-discharge ball valve 120 is repaired, the oil is injected into the scale bucket 110 again from the out-of-tolerance oil bucket 150 through the circulation pipeline 140, thereby avoiding waste of the oil.

In the liquid hopper scale provided by the embodiment of the invention, in order to keep the stable operation of the internal mixer, the scale hopper 110 for quantitatively weighing oil is externally connected with the circulating pipeline 140, and meanwhile, the circulating pipeline 140 is provided with the ultra-poor oil hopper 150, the circulating pump 170 and the pipeline valve 160, so that when the problem of excessive weighing occurs in the process of quantitatively weighing the oil by the scale hopper 110, redundant oil is stored into the ultra-poor oil hopper 150 through the circulating pipeline 140, the accurate weighing of the oil by the scale hopper 110 is conveniently and quickly realized, and equipment does not need to be stopped to discharge the redundant oil; meanwhile, according to the actual production requirements, by controlling the size and the capacity of the ultra-poor oil bucket 150, when the oil discharge ball valve 120 fails and cannot be opened, all the oil in the scale bucket 110 can be transferred to the ultra-poor oil bucket 150 to quickly overhaul or replace the oil discharge ball valve 120, and after the overhaul or the replacement of the oil discharge ball valve 120 is completed, the oil in the ultra-poor oil bucket 150 is injected into the scale bucket 110 to perform the subsequent production process, so that the waste of the oil is avoided.

Further, in the liquid hopper scale provided in the embodiment of the present invention, the bottom of the out-of-tolerance oil hopper 150 is communicatively provided with a drain pipe 180, and meanwhile, the drain pipe 180 is provided with a drain valve 1810 for controlling the on-off state of the drain pipe 180, the out-of-tolerance oil hopper 150 performs periodic drain through the drain pipe 180, and meanwhile, when the capacity of the out-of-tolerance oil hopper 150 is limited and the oil in the scale hopper 110 needs to be discharged to perform disassembly and maintenance of the oil drain ball valve 120, the pipe valve 160, the circulating pump 170 and the drain valve 1810 on the circulating pipeline 140 may be opened to directly discharge the oil in the scale hopper 110 through the drain pipe 180.

Further, in an embodiment of the present invention, the pipeline valve 160 includes an angle seat valve, which is opened when the oil needs to flow in the circulation pipeline 140, that is, when the oil needs to be transferred from the scale bucket 110 to the out-of-tolerance oil bucket 150, the angle seat valve is kept in an opened state, and the angle seat valve is closed during the weighing process of the scale bucket 110, the transferring process of the oil from the scale bucket 110 to the oil storage bucket 130, and the oil injection process of the internal mixer, so as to simplify the operation difficulty of the liquid hopper scale provided by the embodiment of the present invention, it is preferable that the angle seat valve is an automatically controlled valve, and the corresponding opened and closed state is adjusted according to the above setting conditions.

On the basis of the above embodiment, in order to avoid the control failure of the automatically controlled angle seat valve, the oil in the scale bucket 110 is continuously injected into the out-of-tolerance oil bucket 150, the pipeline valve 160 is further provided with a manually controlled stop valve or ball valve, and when the components in the circulation pipeline 140 provided with the angle seat valve and the like have the failure and need to be repaired and replaced, the circulation pipeline 140 is temporarily shut off, and the opening of the stop valve or ball valve can be controlled to adjust the flow speed and flow rate of the oil in the circulation pipeline 140, so that when the out-of-tolerance of the oil weighed by the scale bucket 110 is small, the oil can be accurately controlled to be discharged to ensure the weighing precision.

In order to identify the injection state of the oil inside the out-of-tolerance oil bucket 150 in time and avoid the influence of the full injection of the out-of-tolerance oil bucket 150 on the weighing of the weighing bucket 110, the liquid level detection component 190 is arranged in the out-of-tolerance oil bucket 150 and displays the liquid level state in the out-of-tolerance oil bucket 150 in time according to the embodiment of the invention.

Further, the liquid level detecting part 190 may be a tuning fork type liquid level meter or a capacitance type liquid level meter, and in a preferred embodiment of the present invention, the liquid level detecting part 190 is preferably a tuning fork type liquid level meter.

Further, in the prior art, due to structural limitation, the oil injection device is often disposed at a longer distance from the internal mixer machine, and is connected to the internal mixer lubricator through a long-distance conveying pipeline, and a part of oil still adheres to the pipe wall due to time under the condition of pumping the long-distance conveying pipeline, so that the oil injection is not accurate enough, as shown in fig. 2, in the liquid hopper scale provided in the embodiment of the present invention, the oil injection assembly 20 includes the oil hopper 210 for temporarily storing the oil, the oil hopper 210 is communicated with the oil hopper 130 of the weighing assembly 10 through a pipeline, and the oil hopper 210 is lower in horizontal height than the oil hopper 130, so that the oil in the oil hopper 130 can naturally flow into the oil hopper 210 under the action of gravity, and meanwhile, the top of the oil hopper 210 is provided with the breathing ports 2110 for communicating the inside and outside of the oil hopper 210, so as to balance the air pressure inside and outside the oil hopper 210, so that the process of flowing into and flowing out of the oil hopper 210 and the oil hopper 210 is smoother, and the oil hopper 210 is communicated through the oil hose 230, so that the oil hopper 210 is disposed closer to the internal mixer, and the oil injection hose 220 is disposed on the internal mixer, so that the oil injection pump is shorter and the loss is reduced.

It should be noted that, in the above structure, single oiling is completed in the internal mixer, and after the weighing hopper 110 completes the next oil weighing, the pipeline between the oil storage hopper 130 and the oil collection hopper 210 can be opened, so as to provide sufficient time for the process of transferring the oil from the oil storage hopper 130 to the oil collection hopper 210, ensure the sufficient transfer of the oil, and the pipeline between the oil storage hopper 130 and the oil collection hopper 210 can also be provided with an oil pump to accelerate the transfer speed of the oil.

Further, in an embodiment of the present invention, a liquid level meter 240 is disposed at the discharge opening of the oil collecting hopper 210 to detect the level of the oil in the oil collecting hopper 210 at the discharge opening, and when the liquid level meter 240 indicates that the liquid level is 0, the oil filling of the internal mixer is completed.

Further, in an embodiment of the present invention, a three-way valve 250 is further disposed on the filler hose 220 to bypass the filler hose 220 to the calibration pipeline 260, and the calibration pipeline 260 is connected to the calibration oil cylinder 270, when the calibration of the weighing accuracy of the liquid hopper scale in the embodiment of the present invention is required, the three-way valve 250 is manually adjusted to connect the calibration pipeline 260, and all the weighed oil is discharged into the calibration oil cylinder 270, so as to accurately weigh the oil in the calibration oil cylinder 270, and compare the weighed oil with the formula amount during the set weighing, so as to calibrate the weighing accuracy of the liquid hopper scale. .

The terms "first," "second," "left," and "right" and the like in the description and claims of the invention and the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not set forth for a listed step or element but may include other steps or elements not 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 (9)

1. A liquid hopper scale comprising a weighing assembly (10) and an oiling assembly (20), the weighing assembly (10) comprising:

the oil storage device comprises a scale bucket (110) for weighing oil, wherein the bottom of the scale bucket (110) is communicated with an oil storage bucket (130) through an oil discharge ball valve (120);

circulation pipeline (140), the import and the export of circulation pipeline (140) all communicate scale bucket (110), just the import intercommunication of circulation pipeline (140) the bottom of scale bucket (110), be provided with on circulation pipeline (140) and be used for saving super poor oil fill (150) of oil, and be used for driving the oil and be in circulation pump (170) that circulation pipeline (140) internal flow, and be used for control pipeline valve (160) of circulation pipeline (140) break-make, pipeline valve (160) set up in scale bucket (110) with between super poor oil fill (150).

2. The liquid hopper scale according to claim 1, wherein a drain pipe (180) is connected to the over-tolerance oil hopper (150) in a bypass manner, and a drain valve (1810) is arranged on the drain pipe (180).

3. The liquid hopper scale of claim 1, wherein the pipe valve (160) comprises an angle seat valve that opens when oil needs to flow in the circulation line (140).

4. The liquid hopper scale of claim 3, wherein the plumbing valve (160) further comprises a stop or ball valve that manually controls the make and break of the circulation line (140) and the flow rate.

5. The liquid hopper scale of claim 1, wherein the weighing assembly (10) further comprises a level detection component (190) for detecting an oil level within the out-of-tolerance oil hopper (150).

6. The liquid hopper scale of claim 5, wherein the level detecting component (190) is a tuning fork level gauge or a capacitive level gauge.

7. The liquid hopper scale according to any one of claims 1-6, wherein the oil injection assembly (20) comprises an oil hopper (210), the oil hopper (210) is communicated with the oil storage hopper (130) through a pipeline, the oil hopper (210) is lower than the oil storage hopper (130) in level so as to collect oil used for injecting into the internal mixer in the oil storage hopper (130), a breathing port (2110) is arranged at the top of the oil hopper (210), the oil hopper (210) is communicated with the internal mixer through an oil injection hose (220), and an oil injection pump (230) used for driving the oil into the internal mixer is arranged on the oil injection hose (220).

8. The liquid hopper scale of claim 7, wherein a liquid level meter (240) is disposed at a discharge port of the oil collecting hopper (210) for detecting a discharge state of the oil in the oil collecting hopper (210).

9. The liquid hopper scale of claim 7, wherein a three-way valve (250) is disposed on the filler hose (220) to bypass a calibration line (260), the calibration line (260) is connected to a calibration oil cylinder (270), and the calibration line (260) of the three-way valve (250) is manually switched on to discharge oil to the calibration oil cylinder (270) and perform calibration of the weighing accuracy of the liquid hopper scale.

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