CN111457998A - Device and method for measuring pressure difference of stock bin in feeding process of balance weightlessness scale - Google Patents
Device and method for measuring pressure difference of stock bin in feeding process of balance weightlessness scale Download PDFInfo
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- CN111457998A CN111457998A CN202010219336.2A CN202010219336A CN111457998A CN 111457998 A CN111457998 A CN 111457998A CN 202010219336 A CN202010219336 A CN 202010219336A CN 111457998 A CN111457998 A CN 111457998A
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- fixedly connected
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- box body
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- bottom plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
- G01G17/06—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes having means for controlling the supply or discharge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
Abstract
The invention discloses a pressure difference device and a pressure difference method for a metering bin in a feeding process of a balance weightlessness scale, and the pressure difference device comprises a box body, a weighing plate, a bottom plate, support legs and a negative pressure fan, wherein the top ends of the support legs are fixedly connected with a discharging mechanism, the top ends of the discharging mechanism are fixedly connected with the box body, the top ends of the discharging mechanism are fixedly connected with the bottom plate, the top ends of the bottom plate are movably connected with side plates, and the top ends of the side plates are movably connected with a top plate. The box body is composed of the bottom plate, the side plates and the top plate, the side plates respectively form clamping structures with the top plate and the bottom plate, the clamping structures are convenient to disassemble, the top plate and the bottom plate are clamped into the side plates, then the buckles on the two sides of the side plates can be clamped into the inner parts of the side plates due to the springs on one sides of the buckles, the top plate and the bottom plate are fixed, the top plate and the bottom plate are prevented from moving, when the box body needs to be disassembled, the box body can be disassembled by pulling the buckles, and therefore the purpose that the pressure difference device of the metering.
Description
Technical Field
The invention relates to the technical field of weightlessness scales, in particular to a device and a method for balancing pressure difference of a metering bin in a feeding process of a weightlessness scale.
Background
The weightlessness scale is a weighing device with discontinuous feeding and continuous discharging, and the loss control is carried out in the hopper, so that the control precision is higher, the structure is easy to seal, the control efficiency of powder is greatly improved compared with that of a spiral scale, and the weightlessness scale is suitable for controlling and proportioning of fine materials such as cement, lime powder, coal powder and the like.
In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved:
(1) the traditional metering bin pressure difference device in the feeding process of the balance weightlessness scale is difficult to disassemble and assemble, and the device is difficult to maintain due to failure;
(2) the traditional metering bin pressure difference device in the feeding process of the balance weightlessness scale is difficult to dissipate heat, and the device can generate heat during working and possibly generate danger;
(3) the inner wall of box is difficult to clean to the measurement feed bin pressure differential device of traditional balance weightlessness balance feeding in-process, may have the raw materials absorption at the inner wall of box, influences the ejection of compact.
Disclosure of Invention
The invention aims to provide a metering bin pressure difference device and a metering bin pressure difference method in a feeding process of a balance weightlessness scale, and aims to solve the problems that the metering bin pressure difference device is difficult to disassemble and assemble, difficult to radiate heat and difficult to clean the inner wall of a box body in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a pressure difference device of a metering bin in the feeding process of a balance weightlessness scale comprises a box body, a weighing plate, a bottom plate, support legs and a negative pressure fan, wherein the top end of each support leg is fixedly connected with a discharging mechanism, the top end of each discharging mechanism is fixedly connected with the box body, the top end of each discharging mechanism is fixedly connected with the bottom plate, the top end of each bottom plate is movably connected with a side plate, the top end of each side plate is movably connected with a top plate, one side of each box body is fixedly connected with a material guide pipe, one side of each material guide pipe is fixedly connected with an air pump, the two sides of each box body are fixedly connected with the negative pressure fan, the top end of each box body is fixedly connected with a material inlet, one side of each material inlet is fixedly connected with a valve, the top end of each box body is fixedly connected with a cleaning, the bottom end of the interior of the box body is fixedly connected with a weighing plate, and the bottom end of the weighing plate is fixedly connected with a pressure sensor.
Preferably, first servo motor, discharge bar and discharging pipe have set gradually in discharge mechanism's inside, one side fixedly connected with discharging pipe of first servo motor, and the inside fixedly connected with discharge bar of discharging pipe.
Preferably, a plurality of heat dissipation holes are formed in the two sides of the negative pressure fan and are arranged at equal intervals.
Preferably, the bottom end of the top plate is fixedly connected with a clamping block, the top end of the side plate is provided with a clamping groove, and the top plate and the side plate form a clamping structure.
Preferably, the inside of cleaning mechanism has set gradually rotation axis, brush, scraper blade and second servo motor, second servo motor's bottom fixedly connected with rotation axis, and the both sides of rotation axis and the equal fixedly connected with scraper blade in both ends, fixedly connected with brush on the lateral wall of scraper blade.
Preferably, the outer side wall of the valve is uniformly provided with external threads, the inner side wall of the feeding port is uniformly provided with internal threads matched with the external threads, and the valve is in threaded connection with the feeding port.
A method for measuring pressure difference of a stock bin in a feeding process of a balance weightlessness scale comprises the following steps:
firstly, the raw materials are put into the box body through the feeding port, the flow of the raw materials can be controlled by the valve, the raw materials can fall onto the top end of the weighing plate, the bottom end of the weighing plate is fixedly connected with a pressure sensor, when the pressure sensor senses that the pressure reaches a proper value, an air pump starts to work, the air pump can absorb the air in the material guide pipe during working, due to air pressure difference, the raw materials can be sucked into the material guide pipe and enter into the material discharge pipe, then a first servo motor starts to work, the first servo motor can drive a discharge rod on one side to rotate, the discharge rod can drive the raw materials to move after rotating, the raw materials are discharged through a discharge port, the box body is composed of a bottom plate, a side plate and a top plate, the side plate and the bottom plate respectively form a clamping structure, the clamping structure is convenient to disassemble, the top plate and the bottom plate are clamped into the side, the top plate and the bottom plate are fixed to prevent the top plate and the bottom plate from moving, and when the box body needs to be disassembled, the box body can be disassembled by pulling the buckle open, so that the aim of conveniently disassembling the pressure difference device of the metering bin is fulfilled;
then, the negative pressure fans are fixedly connected to the two sides of the box body, when the negative pressure fans work, the external cold air can be absorbed through the heat dissipation holes, and the cold air is blown into the box body to dissipate heat of the box body, so that the temperature in the box body is reduced, and the temperature of the box body is prevented from being too high, and the purpose that the metering bin pressure difference device can dissipate heat of the device is achieved;
finally, through the bottom fixedly connected with rotation axis at second servo motor, second servo motor work can drive the rotation axis rotatory, the rotatory scraper blade that drives its outside of rotation axis is rotatory, the rotatory brush that drives of scraper blade is rotatory, the brush is rotatory just can be scraped absorbent raw materials on the box inner wall, let the raw materials can all fall on weighing plate, let the more accurate of device work, thereby reach and measure feed bin pressure differential device and can carry out clear purpose to the inner wall of box.
Compared with the prior art, the invention has the beneficial effects that: the metering bin pressure difference device and the method in the feeding process of the balance weightlessness scale not only realize the purpose that the metering bin pressure difference device is convenient to disassemble, but also realize the purpose that the metering bin pressure difference device can radiate the device, and also realize the purpose that the metering bin pressure difference device can clean the inner wall of the box body;
(1) the box body is composed of a bottom plate, side plates and a top plate, the side plates respectively form clamping structures with the top plate and the bottom plate, the clamping structures are convenient to disassemble, the top plate and the bottom plate are clamped into the side plates, then the buckles on the two sides of the side plates can be clamped into the inner parts of the side plates due to springs on one sides of the buckles, the top plate and the bottom plate are fixed, the top plate and the bottom plate are prevented from moving, when the box body needs to be disassembled, the box body can be disassembled by pulling the buckles open, and therefore the purpose that the pressure difference device of the;
(2) the negative pressure fans are fixedly connected to the two sides of the box body, so that the negative pressure fans can absorb external cold air through the heat dissipation holes during working and blow the cold air into the box body to dissipate heat of the box body, reduce the temperature in the box body and prevent the temperature of the box body from being too high, and the purpose that the device for measuring the pressure difference of the storage bin can dissipate heat of the device is achieved;
(3) through the bottom fixedly connected with rotation axis at second servo motor, second servo motor work can drive the rotation axis rotatory, the rotatory scraper blade that drives its outside of rotation axis is rotatory, the rotatory brush that drives of scraper blade is rotatory, the brush is rotatory just can be scraped absorbent raw materials on the box inner wall, let the raw materials can all fall on weighing plate, let the more accurate of device work, reach here and measure feed bin pressure differential device and can carry out clear purpose to the inner wall of box.
Drawings
Fig. 1 is a schematic front sectional view of the present invention.
Fig. 2 is a schematic top sectional view of the present invention.
FIG. 3 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention.
Fig. 4 is an enlarged partial sectional structural diagram of the discharging mechanism in front view.
In the figure: 1. a box body; 2. a weighing plate; 3. a base plate; 4. a support leg; 5. a pressure sensor; 6. a discharging mechanism; 601. a first servo motor; 602. a discharge rod; 603. a discharge pipe; 7. a material guide pipe; 8. an air pump; 9. a negative pressure fan; 10. heat dissipation holes; 11. a side plate; 12. a top plate; 13. a cleaning mechanism; 1301. a rotating shaft; 1302. a brush; 1303. a squeegee; 1304. a second servo motor; 14. a feeding port; 15. a valve; 16. a baffle plate; 17. buckling; 18. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: a pressure difference device of a metering bin in a feeding process of a balance weightlessness scale comprises a box body 1, a weighing plate 2, a bottom plate 3, support legs 4 and a negative pressure fan 9, wherein the top ends of the support legs 4 are fixedly connected with a discharging mechanism 6, a first servo motor 601, a discharging rod 602 and a discharging pipe 603 are sequentially arranged in the discharging mechanism 6, the discharging pipe 603 is fixedly connected to one side of the first servo motor 601, the type of the first servo motor 601 can be ASD-A2, the input end of the first servo motor 601 is electrically connected with the output end of a control box through a lead, and the discharging rod 602 is fixedly connected to the inside of the discharging pipe 603;
specifically, as shown in fig. 1 and 4, when the structure is used, firstly, the raw material is sucked into the material guiding pipe 7 and enters the material discharging pipe 603, then the first servo motor 601 starts to work, the first servo motor 601 can drive the material discharging rod 602 on one side to rotate, and the material discharging rod 602 can drive the raw material to move and discharge through the material discharging pipe by rotating;
the top end of the discharging mechanism 6 is fixedly connected with the box body 1, the top end of the discharging mechanism 6 is fixedly connected with the bottom plate 3, the top end of the bottom plate 3 is movably connected with the side plate 11, the top end of the side plate 11 is movably connected with the top plate 12, the bottom end of the top plate 12 is fixedly connected with the clamping block, the top end of the side plate 11 is provided with the clamping groove, and the top plate 12 and the side plate 11 form a clamping structure;
one side of the box body 1 is fixedly connected with a material guide pipe 7, one side of the material guide pipe 7 is fixedly connected with an air pump 8, the type of the air pump 8 can be TC-Q L-10, the input end of the air pump 8 is electrically connected with the output end of the control box through a lead, both sides of the box body 1 are fixedly connected with a negative pressure fan 9, the type of the negative pressure fan 9 can be SF-126PZ01, the input end of the negative pressure fan 9 is electrically connected with the output end of the control box through a lead, both sides of the negative pressure fan 9 are provided with a plurality of radiating holes 10, and the radiating holes 10 are arranged at equal intervals;
the top end of the box body 1 is fixedly connected with a feeding port 14, one side of the feeding port 14 is fixedly connected with a valve 15, external threads are uniformly arranged on the outer side wall of the valve 15, internal threads matched with the external threads are uniformly arranged on the inner side wall of the feeding port 14, and the valve 15 is in threaded connection with the feeding port 14;
the top end of the box body 1 is fixedly connected with a cleaning mechanism 13, a rotating shaft 1301, a brush 1302, a scraper 1303 and a second servo motor 1304 are sequentially arranged in the cleaning mechanism 13, the rotating shaft 1301 is fixedly connected to the bottom end of the second servo motor 1304, the type of the second servo motor 1304 can be EDSMT-2T, the input end of the second servo motor 1304 is electrically connected with the output end of the control box through a lead, the scrapers 1303 are fixedly connected to both sides and both ends of the rotating shaft 1301, and the brush 1302 is fixedly connected to the outer side wall of the scraper 1303;
specifically, as shown in fig. 1 and fig. 2, when the structure is used, firstly, the second servo motor 1304 works to drive the rotating shaft 1301 to rotate, the rotating shaft 1301 rotates to drive the scraper 1303 at the outer side of the rotating shaft to rotate, the scraper 1303 rotates to drive the brush 1302 to rotate, and the brush 1302 rotates to scrape off raw materials adsorbed on the inner wall of the box body 1, so that the raw materials can fall on the weighing plate 2 completely, and the device works more accurately;
the equal fixedly connected with baffle 16 in both sides of box 1, and the both sides fixedly connected with spring 18 of baffle 16, one side fixedly connected with buckle 17 of spring 18, the inside bottom fixedly connected with weighing plate 2 of box 1, and the bottom fixedly connected with pressure sensor 5 of weighing plate 2, this pressure sensor 5's model can be CYYZ13, and pressure sensor 5's output is electric connection through the input of wire and control box.
A method for measuring the pressure difference of a stock bin in the feeding process of a balance weightlessness scale comprises the following steps: firstly, raw materials are put into a box body 1 through a feeding port 14, a valve 15 can control the flow of the raw materials, the raw materials can fall to the top end of a weighing plate 2, a pressure sensor 5 is fixedly connected to the bottom end of the weighing plate 2, when the pressure sensor 5 senses that the pressure reaches a proper value, an air pump 8 starts to work, the air pump 8 can absorb air in a material guide pipe 7 when working, the raw materials can be sucked into the material guide pipe 7 and enter a material discharge pipe 603 due to air pressure difference, then a first servo motor 601 starts to work, the first servo motor 601 can drive a material discharge rod 602 on one side to rotate when working, the material discharge rod 602 can drive the raw materials to move and discharge through a material discharge port, the box body 1 is composed of a bottom plate 3, side plates 11 and a top plate 12, the side plates 11 respectively form a clamping structure with the top plate 12 and the bottom plate 3, the clamping structure is convenient to disassemble, the top plate, buckle 17 of curb plate 11 both sides can be because the spring 18 of buckle 17 one side and the inside of card income curb plate 11, fixes roof 12 and bottom plate 3, prevents that roof 12 and bottom plate 3 from removing, when needing to unpack apart box 1, pulls open buckle 17 and just can dismantle box 1 to this reaches the purpose of measurement feed bin pressure differential device convenient to detach.
Afterwards, through the equal fixedly connected with negative-pressure air fan 9 in the both sides of box 1, negative-pressure air fan 9 work can absorb external cold air through louvre 10 to blow in the inside of box 1 with cold air, dispel the heat to box 1, reduce the inside temperature of box 1, prevent that box 1 high temperature from, with this reach to measure feed bin pressure differential device and can carry out radiating purpose to the device.
Finally, through the bottom fixedly connected with rotation axis 1301 at second servo motor 1304, second servo motor 1304 work can drive rotation axis 1301 rotatory, rotation axis 1301 is rotatory to drive the scraper blade 1303 in its outside rotatory, scraper blade 1303 is rotatory to drive the brush 1302 rotatory, brush 1302 is rotatory just can be scraped absorbent raw materials on box 1 inner wall, let the raw materials can all fall on weighing plate 2, let the more accurate of device work, thereby reach and measure feed bin pressure differential device and can carry out abluent mesh to the inner wall of box 1.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a measurement feed bin pressure differential device in balanced weightlessness scale feeding process, includes box (1), weighing plate (2), bottom plate (3), stabilizer blade (4) and negative-pressure air fan (9), its characterized in that: the top end of the support leg (4) is fixedly connected with a discharging mechanism (6), the top end of the discharging mechanism (6) is fixedly connected with a box body (1), the top end of the discharging mechanism (6) is fixedly connected with a bottom plate (3), the top end of the bottom plate (3) is movably connected with a side plate (11), the top end of the side plate (11) is movably connected with a top plate (12), one side of the box body (1) is fixedly connected with a material guide pipe (7), one side of the material guide pipe (7) is fixedly connected with an air pump (8), both sides of the box body (1) are fixedly connected with a negative pressure fan (9), the top end of the box body (1) is fixedly connected with a material inlet (14), one side of the material inlet (14) is fixedly connected with a valve (15), the top end of the box body (1) is fixedly connected with a cleaning mechanism (13), and the two sides of the baffle (16) are fixedly connected with springs (18), one side of each spring (18) is fixedly connected with a buckle (17), the bottom end inside the box body (1) is fixedly connected with a weighing plate (2), and the bottom end of each weighing plate (2) is fixedly connected with a pressure sensor (5).
2. The pressure difference device for the metering bin in the feeding process of the balance weight loss scale according to claim 1, wherein: the inside of discharge mechanism (6) has set gradually first servo motor (601), discharge bar (602) and discharging pipe (603), one side fixedly connected with discharging pipe (603) of first servo motor (601), and the inside fixedly connected with discharge bar (602) of discharging pipe (603).
3. The pressure difference device for the metering bin in the feeding process of the balance weight loss scale according to claim 1, wherein: a plurality of heat dissipation holes (10) are formed in the two sides of the negative pressure fan (9), and the heat dissipation holes (10) are arranged at equal intervals.
4. The pressure difference device for the metering bin in the feeding process of the balance weight loss scale according to claim 1, wherein: the bottom fixedly connected with fixture block of roof (12), the top of curb plate (11) is provided with the draw-in groove, roof (12) and curb plate (11) constitute the block structure.
5. The pressure difference device for the metering bin in the feeding process of the balance weight loss scale according to claim 1, wherein: the inside of clean mechanism (13) has set gradually rotation axis (1301), brush (1302), scraper blade (1303) and second servo motor (1304), the bottom fixedly connected with rotation axis (1301) of second servo motor (1304), and both sides and the equal fixedly connected with scraper blade (1303) in both ends of rotation axis (1301), fixedly connected with brush (1302) on the lateral wall of scraper blade (1303).
6. The pressure difference device for the metering bin in the feeding process of the balance weight loss scale according to claim 1, wherein: the outer side wall of the valve (15) is uniformly provided with external threads, the inner side wall of the feeding port (14) is uniformly provided with internal threads matched with the external threads, and the valve (15) is in threaded connection with the feeding port (14).
7. The method for measuring the pressure difference of the storage bin in the feeding process of the balance weightlessness scale by using the device of any one of claims 1 to 6 is characterized by comprising the following steps:
firstly, raw materials are put into a box body 1 through a feeding port (14), a valve (15) can control the flow of the raw materials, the raw materials can fall to the top end of a weighing plate (2), a pressure sensor (5) is fixedly connected to the bottom end of the weighing plate (2), when the pressure sensor (5) senses that the pressure reaches a proper value, an air pump (8) starts to work, the air pump (8) can absorb air in a material guide pipe (7) when working, the raw materials can be sucked into the material guide pipe (7) and enter a material discharging pipe (603) due to air pressure difference, then a first servo motor (601) starts to work, the first servo motor (601) can drive a material discharging rod (602) on one side to rotate, the material discharging rod (602) can drive the raw materials to move by rotating, the material discharging port is used for discharging, the box body (1) is composed of a bottom plate (3), a side plate (11) and a top plate (12), the side plate (11) and the top plate (12) and the bottom plate (3) respectively form a clamping structure, the clamping structure is convenient to detach, the top plate (12) and the bottom plate (3) are clamped into the side plate (11), then the clamping buckles (17) on two sides of the side plate (11) can be clamped into the inner part of the side plate (11) due to the springs (18) on one side of the clamping buckles (17), the top plate (12) and the bottom plate (3) are fixed, the top plate (12) and the bottom plate (3) are prevented from moving, when the box body (1) needs to be detached, the box body (1) can be detached by pulling the clamping buckles (17), and therefore the purpose that the pressure difference device of the metering bin is convenient;
then, the negative pressure fans (9) are fixedly connected to the two sides of the box body (1), when the negative pressure fans (9) work, the external cold air can be absorbed through the heat dissipation holes (10), and the cold air is blown into the box body (1) to dissipate heat of the box body (1), so that the temperature in the box body (1) is reduced, the temperature of the box body (1) is prevented from being too high, and the purpose that the metering bin pressure difference device can dissipate heat of the device is achieved;
finally, through bottom fixedly connected with rotation axis (1301) at second servo motor (1304), second servo motor (1304) work can drive rotation axis (1301) rotatory, rotation axis (1301) are rotatory to be driven scraper blade (1303) in its outside rotatory, scraper blade (1303) are rotatory to be driven brush (1302) rotatory, brush (1302) are rotatory just can be scraped the raw materials that adsorb on box (1) inner wall, let the raw materials can all fall on weighing plate (2), let the more accurate of device work, with this reach the purpose that the measurement feed bin pressure differential device can carry out cleanness to the inner wall of box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219336.2A CN111457998A (en) | 2020-03-25 | 2020-03-25 | Device and method for measuring pressure difference of stock bin in feeding process of balance weightlessness scale |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219336.2A CN111457998A (en) | 2020-03-25 | 2020-03-25 | Device and method for measuring pressure difference of stock bin in feeding process of balance weightlessness scale |
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| CN202010219336.2A Pending CN111457998A (en) | 2020-03-25 | 2020-03-25 | Device and method for measuring pressure difference of stock bin in feeding process of balance weightlessness scale |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370319A (en) * | 2020-11-16 | 2021-02-19 | 天水师范学院 | Disabled person is recovered with trainer of standing convenient to dismouting |
| CN115371781A (en) * | 2022-10-25 | 2022-11-22 | 江苏百灵衡器制造有限公司 | Feeding mechanism of weightless scale |
-
2020
- 2020-03-25 CN CN202010219336.2A patent/CN111457998A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370319A (en) * | 2020-11-16 | 2021-02-19 | 天水师范学院 | Disabled person is recovered with trainer of standing convenient to dismouting |
| CN115371781A (en) * | 2022-10-25 | 2022-11-22 | 江苏百灵衡器制造有限公司 | Feeding mechanism of weightless scale |
| CN115371781B (en) * | 2022-10-25 | 2022-12-27 | 江苏百灵衡器制造有限公司 | Feeding mechanism of weightless scale |
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