CN209820618U - Weightlessness scale - Google Patents

Abstract

The application provides a weightlessness scale, and relates to the field of material treatment. The weightlessness scale comprises a hopper, a degassing device, a scale body and a gravity sensor. The degassing device comprises a filter cylinder and a back-blowing device. The filter cartridge is connected to the upper end of the hopper, and the blowback device is partially accommodated in the filter cartridge. The blowback device is configured to blow back dust adhering to the filter cartridge into the hopper. The weighing body is connected with the hopper. A gravity sensor is coupled to the scale body, the gravity sensor configured to detect a total weight of the hopper, the degasser, the scale body, and the material contained within the hopper. The dust separated by the exhaust system of the weightlessness scale can be left in the production device for recycling, and the weightlessness scale has high precision.

Description

Weightlessness scale

Technical Field

The application relates to the field of material treatment, in particular to a weightlessness scale.

Background

The weightlessness scale generates dust airflow in the feeding and discharging processes, the dust airflow needs to separate dust from the airflow and discharge the air into the atmosphere, and the dust separated by an exhaust system in the related technology cannot be left in a production device for reuse, so that the precision of the weightlessness scale is reduced.

The applicant has found that the problems in the related art are: the dust separated by the exhaust system can not be left in the production device for reuse, and the weight loss precision is lower.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims to provide a weightlessness scale, and aims to solve the problems that dust separated by an exhaust system of the weightlessness scale in the related technology cannot be left in a production device for reuse, and the precision of the weightlessness scale is low.

The embodiment of the application provides a weight loss scale, which comprises a hopper, a degassing device, a scale body and a gravity sensor. The degassing device comprises a filter cylinder and a back-blowing device. The filter cartridge is connected to the upper end of the hopper, and the blowback device is partially accommodated in the filter cartridge. The blowback device is configured to blow back dust adhering to the filter cartridge into the hopper. The weighing body is connected with the hopper. A gravity sensor is coupled to the scale body, the gravity sensor configured to detect a total weight of the hopper, the degasser, the scale body, and the material contained within the hopper. Through setting up degasser, with cartridge filter with dust and air separation, blow back the dust that will adhere to on the cartridge filter back to in the hopper again with the blowback device for the dust after the separation can be stayed in the apparatus for producing, can be recycled, and then can improve the precision of gravity sensor measured data, improves the precision of weightlessness title.

As an optional technical scheme of the embodiment of the application, the weightlessness scale comprises a pressure equalizing pipe, and the pressure equalizing pipe is communicated with the upper end and the lower end of the hopper. The upper end and the lower end of the hopper are communicated by arranging the pressure equalizing pipe, so that the air pressure at the upper end and the lower end in the hopper is balanced, the precision error of the weightless scale caused by the pressure difference at the upper end and the lower end of the hopper is avoided, and the precision of the weightless scale is improved.

As an optional technical scheme of the embodiment of the application, the pressure equalizing pipe is obliquely connected with the lower end of the hopper. The pressure equalizing pipe is located the oblique top of the lower extreme of hopper to prevent that the material in the hopper from getting into the pressure equalizing pipe. The lower end of the pressure equalizing pipe and the lower end of the hopper are connected in an inclined mode, the pressure equalizing pipe is located above the lower end of the hopper in an inclined mode, and materials in the hopper can be prevented from entering the pressure equalizing pipe.

As an optional technical scheme of this application embodiment, the hopper includes feed inlet and discharge gate, and the feed inlet is seted up in the upper end of hopper, and the discharge gate is seted up in the lower extreme of hopper. The weightlessness scale comprises a scattering mechanism which is arranged in the hopper. The feed inlet, the scattering mechanism and the discharge outlet are sequentially arranged in the vertical direction. The material is broken up by arranging the breaking up device, so that the material is prevented from caking.

As an optional technical scheme of the embodiment of the application, the scattering mechanism comprises a first blade and a first rotating shaft, and the first blade is in transmission connection with the first rotating shaft. The first blade includes a first section and a second section. One end of the first section is connected with the first rotating shaft, the other end of the first section is connected with one end of the second section, and an included angle is formed between the first section and the second section. Through being connected first blade and first axis of rotation for first axis of rotation drives first blade and rotates in order to break up the material. An included angle exists between the first section and the second section, so that materials can be well gathered and scattered.

As an optional technical scheme of the embodiment of the application, the weightlessness scale comprises an even mechanism, and the even mechanism is arranged in the hopper. The feed inlet, the scattering mechanism, the uniform mechanism and the discharge outlet are sequentially arranged in the vertical direction. Through setting up the uniformity mechanism for the material that breaks up the mechanism and breaks up is through the uniformity mechanism, and it is even to guarantee the ejection of compact.

As an optional technical scheme of the embodiment of the application, the uniform mechanism comprises a pressure equalizing plate, a receiving disc and an impeller. The pressure equalizing plate and the receiving disc are enclosed to form an accommodating space, the impeller is accommodated in the accommodating space, the accommodating space is provided with an opening, and the impeller can push materials to flow out through the opening. Through setting up the equalizer plate for in the material can get into accommodation space, through setting up the impeller and in proper order with material propelling movement to ejection of compact position, make the outflow of material outflow more even.

As an optional technical scheme of this application embodiment, receive the dish and include diapire and perisporium, the diapire is connected with the perisporium, and the perisporium is provided with the opening that supplies the material outflow. By providing the openings in the circumferential wall, the outflow speed of the material is limited.

As an optional solution to the embodiments of the present application, the degassing device includes a housing, the housing includes an air inlet end and an air outlet end, and the filter cartridge is accommodated in the housing and connected to the housing. The filter cartridge separates the air inlet end and the air outlet end, and the air inlet end is detachably connected with the hopper. The air outlet end is used for discharging air, and the shell is connected with a back blowing device. Through setting up the cartridge filter, will admit air the end and give vent to anger the end and separate for the material must pass through the filtration of cartridge filter, and the material is attached to on the cartridge filter with air separation back.

As an optional technical solution of the embodiment of the present application, the degassing device includes a shielding member, the shielding member includes a connecting portion and a shielding portion, and the connecting portion is connected to the gas outlet end. A gap is arranged between the shielding part and the air outlet end, and the shielding part shields the air outlet end. The air outlet end is shielded by the shielding piece, so that the influence of impurities on the precision of the weightlessness scale when the impurities enter the filter cartridge is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic overall structure diagram of a weightlessness scale provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a breaking mechanism and a homogenizing mechanism provided in an embodiment of the present application;

fig. 3 is an enlarged view of position iii in fig. 1.

Icon: 10-weightlessness weighing; 100-a hopper; 110-a feed inlet; 120-a discharge hole; 200-a degasser; 210-a filter cartridge; 220-a back flushing device; 230-a shield; 240-a housing; 241-an air inlet end; 242-air outlet end; 300-a support seat; 310-weighing body; 320-a base; 400-a gravity sensor; 500-pressure equalizing pipe; 600-a breaking mechanism; 610-a first rotating shaft; 620-a first blade; 621-first section; 622-second section; 700-a homogenizing mechanism; 710-a pressure equalizing plate; 720-impeller; 730-receiving plate; 800-observation window.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.

Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The weightlessness scale generates dust airflow in the feeding and discharging processes, the dust airflow needs to separate dust from the airflow and discharge the air into the atmosphere, and the dust separated by an exhaust system in the related technology cannot be left in a production device for reuse, so that the precision of the weightlessness scale is reduced. The applicant has found that the problems in the related art are: the dust separated by the exhaust system can not be left in the production device for reuse, and the weight loss precision is lower.

In view of the above situation, the applicant proposes a weightlessness scale based on a great amount of theoretical research and actual operation. The dust separated by the exhaust system of the weightlessness scale can be left in the production device for recycling, and the weightlessness scale has high precision.

Examples

Referring to fig. 1, the present embodiment provides a weightlessness scale 10, wherein the weightlessness scale 10 includes a hopper 100, a degasser 200, a scale body 310, and a gravity sensor 400. The degassing device 200 includes a filter cartridge 210 and a blowback device 220. The filter cartridge 210 is coupled to the upper end of the hopper 100, and the blowback unit 220 is partially received in the filter cartridge 210. The blowback device 220 is configured to blow back the dust adhering to the filter cartridge 210 into the hopper 100. The scale body 310 is connected to the hopper 100. A gravity sensor 400 is coupled to the scale body 310, the gravity sensor 400 being configured to detect the total weight of the hopper 100, the degasser 200, the scale body 310 and the material contained in the hopper 100.

By arranging the degassing device 200, the dust is separated from the air by the filter cartridge 210, and the dust attached to the filter cartridge 210 is blown back into the hopper 100 again by the blowback device 220, so that the separated dust can be left in the production device and can be reused, the accuracy of the data measured by the gravity sensor 400 can be improved, and the accuracy of the weightlessness scale 10 can be improved.

Referring to fig. 1, in the present embodiment, a hopper 100 includes a feeding port 110, a discharging port 120, and a dust filtering port. The inlet 110 is used to feed the material into the hopper 100, the outlet 120 is used to discharge the material from the hopper 100, and the dust filter is connected to the degasser 200. Wherein, the dust filtering port and the feeding port 110 are arranged at the upper end of the hopper 100, and the discharging port 120 is arranged at the lower end of the hopper 100. It should be noted that the "upper end" and the "lower end" are relative to the arrangement mode in fig. 1, and when the arrangement mode is changed, different explanations should be made. For example, if fig. 1 is rotated 90 ° counterclockwise, the "dust filter and feed inlet 110 opened at the 'upper end' of the hopper 100" can be interpreted as the "dust filter and feed inlet 110 opened at the 'left end' of the hopper 100". The "discharge port 120 is opened at the 'lower end' of the hopper 100" may be interpreted as "the discharge port 120 is opened at the 'right end' of the hopper 100".

Referring to fig. 1, in the present embodiment, the weightless scale 10 includes a support base 300, wherein the support base 300 includes a scale body 310 and a base 320. The scale body 310 is connected to the hopper 100, the gravity sensor 400 is located between the scale body 310 and the base 320, and the gravity sensor 400 is configured to detect the total weight of the hopper 100, the degassing apparatus 200, the scale body 310, and the material contained in the hopper 100. In an alternative embodiment, the support base 300 may be provided without the base 320, in which case the scale body 310 is connected to the hopper 100, the gravity sensor 400 is located between the ground and the scale body 310, and the gravity sensor 400 is configured to detect the total weight of the hopper 100, the degassing device 200, the scale body 310 and the material contained in the hopper 100.

Referring to fig. 3, the degassing device 200 includes a filter cartridge 210, a blowback device 220, a housing 240, and a shield 230. The housing 240 is connected to the blowback unit 220, the blowback unit 220 is partially accommodated in the filter cartridge 210, and the filter cartridge 210 is accommodated in the housing 240 and connected to the housing 240. The shield 230 is connected with the housing 240 and shields the housing 240. The housing 240 includes an inlet end 241 and an outlet end 242, the inlet end 241 being located at the lower end of the housing 240, and the outlet end 242 being located at the upper end of the housing 240. The inlet end 241 is removably connected to the dust filter port, for example, by a clamp. The filter cartridge 210 is located between the air inlet end 241 and the air outlet end 242, and the filter cartridge 210 separates the air inlet end 241 from the air outlet end 242, so that dust enters the air inlet end 241 through the dust filter, the dust is filtered at the filter cartridge 210, so that the dust is separated from air, the separated dust is attached to the filter cartridge 210, and the separated air flows out through the air outlet end 242.

The shielding member 230 includes a connecting portion and a shielding portion, and the connecting portion is connected to the air outlet end 242. In this embodiment, the connecting portion is clamped to the outer surface of the housing 240. In other embodiments, the connection portion may also be connected with an inner surface of the housing 240. A gap is formed between the shielding portion and the gas outlet end 242, and the shielding portion shields the gas outlet end 242. By providing the shielding member 230 to shield the air outlet 242, impurities are prevented from entering the filter cartridge 210 and affecting the precision of the weightless scale 10. The shielding portion in this embodiment is substantially disc-shaped, and the diameter of the shielding portion is larger than the diameter of the air outlet end 242, so that the shielding portion can better shield the air outlet end 242. The shielding portion has a flange facing the air outlet end 242, and the flange can shield impurities from the side of the housing 240 to a certain extent, so as to prevent the impurities from entering the filter cartridge 210 and affecting the precision of the weightless balance 10.

The degassing apparatus 200 includes a compressor, a solenoid valve, and a blowback pipe, wherein one end of the blowback pipe is connected to the compressor and the solenoid valve, and the other end of the blowback pipe is accommodated in a filter cartridge 210. The solenoid valve is used to control the flow of air in the blowback pipe. The compressor feeds compressed air into the blowback pipe so that the portion of the blowback pipe accommodated in the filter cartridge 210 blows out the compressed air, blowing the dust adhering to the filter cartridge 210 back into the hopper 100.

Referring to fig. 1 again, in the present embodiment, the weightless scale 10 includes a pressure equalizing pipe 500, and the pressure equalizing pipe 500 communicates the upper end and the lower end of the hopper 100. By arranging the pressure equalizing pipe 500, the upper end and the lower end of the hopper 100 are communicated, the air pressure at the upper end and the lower end in the hopper 100 is balanced, the precision error of the weightless scale 10 caused by the pressure difference between the upper end and the lower end of the hopper 100 is avoided, and the precision of the weightless scale 10 is improved. The connection of the pressure equalizer 500 to the upper end of the hopper 100 is located near the dust filter to facilitate the discharge of air through the dust filter. The pressure equalizing pipe 500 is obliquely connected to the lower end of the hopper 100. The pressure equalizing pipe 500 is located obliquely above the lower end of the hopper 100 to prevent the material in the hopper 100 from entering the pressure equalizing pipe 500. The pressure equalizer 500 is connected to the lower end of the hopper 100 in an inclined manner, and the pressure equalizer 500 is located obliquely above the lower end of the hopper 100, so that the material in the hopper 100 can be prevented from entering the pressure equalizer 500.

Referring to fig. 2 in conjunction with fig. 1, in the present embodiment, the weightlessness scale 10 includes a scattering mechanism 600, and the scattering mechanism 600 is disposed in the hopper 100. The feed inlet 110, the scattering mechanism 600 and the discharge outlet 120 are arranged in order in the vertical direction. The material is broken up by arranging the breaking up device, so that the material is prevented from caking. The scattering mechanism 600 includes a first blade 620 and a first rotating shaft 610, and the first blade 620 is drivingly connected to the first rotating shaft 610. The first blade 620 includes a first segment 621 and a second segment 622. One end of the first segment 621 is connected to the first rotating shaft 610, the other end of the first segment 621 is connected to one end of the second segment 622, and an included angle is formed between the first segment 621 and the second segment 622. In an alternative embodiment, the included angle between the first segment 621 and the second segment 622 is 140-180 °. In another alternative embodiment, the included angle between the first segment 621 and the second segment 622 is 150-170 °. By connecting the first blade 620 with the first rotating shaft 610, the first rotating shaft 610 drives the first blade 620 to rotate to break up the material. An included angle exists between the first section 621 and the second section 622, so that materials can be well gathered and scattered.

Referring to fig. 2 in conjunction with fig. 1, in the present embodiment, the weightlessness scale 10 includes a uniform mechanism 700, and the uniform mechanism 700 is disposed in the hopper 100. The feed inlet 110, the scattering mechanism 600, the homogenizing mechanism 700 and the discharge outlet 120 are sequentially arranged in the vertical direction. Through setting up uniformizing mechanism 700 for the material that breaks up mechanism 600 and breaks up passes through uniformizing mechanism 700, guarantees that the ejection of compact is even. The uniformity mechanism 700 includes a pressure equalization plate 710, a collector plate 730, and an impeller 720. The pressure equalizing plate 710 and the receiving plate 730 form an accommodating space, the impeller 720 is accommodated in the accommodating space, the accommodating space is provided with an opening, and the impeller 720 can push the material to flow out through the opening. The pressure equalizing plate 710 is provided with a through hole, and the through hole can balance air pressure inside and outside the accommodating space and pass through materials. Through setting up pressure equalizing plate 710 for in the material can get into accommodation space, through setting up impeller 720 with material propelling movement to ejection of compact position in proper order, make the outflow of material outflow more even.

In the present embodiment, the first rotating shaft 610 is partially accommodated in the accommodating space, the first rotating shaft 610 is in transmission connection with the impeller 720, and the first rotating shaft 610 drives the first blade 620 to rotate and simultaneously drives the lower impeller 720 to rotate. The upper surface of the pressure equalizing plate 710 is adjacent to the first blade 620, and the lower surface of the pressure equalizing plate 710 is adjacent to the impeller 720. The receiving plate 730 comprises a bottom wall and a peripheral wall, wherein the bottom wall is connected with the peripheral wall, and the peripheral wall is provided with an opening for the material to flow out. The bottom wall, the peripheral wall and the pressure equalizing plate 710 together enclose an accommodating space.

After the material is scattered by the first blade 620 above the pressure equalizing plate 710, the material enters the accommodating space through the pressure equalizing plate 710, and flows to the discharge port 120 from the opening through the pushing of the impeller 720. Break up the material of caking and break up through setting up and break up mechanism 600, set up even mechanism 700 and make the ejection of compact even. An observation window 800 is also provided in the present application for observing the scattering and uniformity of the material.

The present embodiment provides a weight-loss scale 10, the weight-loss scale 10 comprising a hopper 100, a degasser 200, a scale body 310, and a gravity sensor 400. The degassing device 200 includes a filter cartridge 210 and a blowback device 220. The filter cartridge 210 is coupled to the upper end of the hopper 100, and the blowback unit 220 is partially received in the filter cartridge 210. The blowback device 220 is configured to blow back the dust adhering to the filter cartridge 210 into the hopper 100. The scale body 310 is connected to the hopper 100. A gravity sensor 400 is coupled to the scale body 310, the gravity sensor 400 being configured to detect the total weight of the hopper 100, the degasser 200, the scale body 310 and the material contained in the hopper 100. By arranging the degassing device 200, the dust is separated from the air by the filter cartridge 210, and the dust attached to the filter cartridge 210 is blown back into the hopper 100 again by the blowback device 220, so that the separated dust can be left in the production device and can be reused, the accuracy of the data measured by the gravity sensor 400 can be improved, and the accuracy of the weightlessness scale 10 can be improved.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A weightlessness scale, characterized in that the weightlessness scale comprises:

a hopper;

the degassing device comprises a filter cartridge and a back-blowing device, the filter cartridge is connected to the upper end of the hopper, the back-blowing device is partially accommodated in the filter cartridge, and the back-blowing device is configured to blow dust attached to the filter cartridge back into the hopper;

the scale body is connected with the hopper; and

a gravity sensor coupled to the scale body, the gravity sensor configured to detect a total weight of the hopper, the degasser, the scale body, and material contained within the hopper.

2. The weight loss scale of claim 1, wherein the weight loss scale comprises pressure equalization tubes communicating the upper and lower ends of the hopper.

3. The weightlessness scale according to claim 2, wherein the pressure equalizing pipe is connected with the lower end of the hopper in an inclined manner, and the pressure equalizing pipe is located obliquely above the lower end of the hopper to prevent the material in the hopper from entering the pressure equalizing pipe.

4. The weightlessness scale of claim 1, wherein the hopper comprises a feeding port and a discharging port, the feeding port is arranged at the upper end of the hopper, the discharging port is arranged at the lower end of the hopper, the weightlessness scale comprises a scattering mechanism, the scattering mechanism is arranged in the hopper, and the feeding port, the scattering mechanism and the discharging port are sequentially arranged in a vertical direction.

5. The weightlessness scale according to claim 4, wherein the scattering mechanism comprises a first blade and a first rotating shaft, the first blade is in transmission connection with the first rotating shaft, the first blade comprises a first section and a second section, one end of the first section is connected with the first rotating shaft, the other end of the first section is connected with one end of the second section, and an included angle is formed between the first section and the second section.

6. The weightlessness scale of claim 4, wherein the weightlessness scale comprises a uniform mechanism, the uniform mechanism is arranged in the hopper, and the feeding port, the scattering mechanism, the uniform mechanism and the discharging port are arranged in sequence in a vertical direction.

7. The weightlessness scale according to claim 6, wherein the uniform mechanism comprises a pressure equalizing plate, a receiving disc and an impeller, the pressure equalizing plate and the receiving disc form an accommodating space, the impeller is accommodated in the accommodating space, the accommodating space is provided with an opening, and the impeller can push the material to flow out through the opening.

8. The weightlessness scale according to claim 7, wherein the receiving tray comprises a bottom wall and a peripheral wall, the bottom wall is connected with the peripheral wall, and the peripheral wall is provided with an opening for material to flow out.

9. The weightlessness scale of claim 1, wherein the degassing device comprises a housing, the housing comprises an air inlet end and an air outlet end, the filter cartridge is accommodated in the housing and connected with the housing, the filter cartridge separates the air inlet end and the air outlet end, the air inlet end is detachably connected with the hopper, the air outlet end is used for discharging air, and the housing is connected with the back-blowing device.

10. The weightlessness scale of claim 9, wherein the degassing device comprises a shielding member, the shielding member comprises a connecting portion and a shielding portion, the connecting portion is connected with the gas outlet end, a gap is formed between the shielding portion and the gas outlet end, and the shielding portion shields the gas outlet end.