CN110967103A - Be applied to weightless balance of carbon fiber granule production and processing - Google Patents
Be applied to weightless balance of carbon fiber granule production and processing Download PDFInfo
- Publication number
- CN110967103A CN110967103A CN201911256726.0A CN201911256726A CN110967103A CN 110967103 A CN110967103 A CN 110967103A CN 201911256726 A CN201911256726 A CN 201911256726A CN 110967103 A CN110967103 A CN 110967103A
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- Prior art keywords
- bin
- weighing
- electromagnetic valve
- buffer
- carbon fiber
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/22—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them
- G01G19/32—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them using two or more weighing apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/30—Means for preventing contamination by dust
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to a weightlessness scale applied to production and processing of carbon fiber particles, which comprises a rack and a PLC (programmable logic controller), wherein a first weighing sensor arranged on the rack is provided with a buffer bin, the buffer bin is connected with a feed hopper through a connecting pipe, a hot air blower nozzle connected with a drying hot air blower is arranged in the connecting pipe, a moisture adsorption device is arranged on the buffer bin, the bottom of the buffer bin is provided with a first electromagnetic valve, the buffer bin is connected with a weighing bin arranged above a second weighing sensor through a first hose, the bottom of the weighing bin is provided with a second electromagnetic valve, the inner cavity of the weighing bin is divided into a first weighing bin and a second weighing bin through a partition plate and an inclined partition plate, the inner cavities of the first weighing bin and the second weighing bin are both provided with a first force-sensitive sensor and a second force-sensitive sensor, the lower part of the weighing bin is connected with a discharge bin through a second hose, and the lower part of the, the invention can realize the function of small-flow and accurate output of materials with smaller mass.
Description
Technical Field
The invention relates to the technical field of weightlessness scales, in particular to a weightlessness scale applied to production and processing of carbon fiber particles.
Background
The weightlessness scale is a weighing device for discontinuous feeding and continuous discharging, can achieve higher control precision due to the fact that loss control is carried out in a hopper, is easy to seal in structure, is particularly suitable for controlling and batching powdery, granular and other shaped fine materials, has very high precision requirements on batching due to the fact that the mass of carbon fiber particles is small in production and processing of carbon fiber particles, and is a bottleneck of weightlessness scale manufacturers in the existing weightlessness scale.
Disclosure of Invention
The invention provides a weightlessness scale which can carry out small flow and accurate output on materials with smaller mass and is applied to the production and processing of carbon fiber particles, and solves the problems existing in the use process in the prior art.
The technical scheme of the invention is realized as follows:
a weightlessness scale applied to production and processing of carbon fiber particles comprises a rack, a screw conveyor, a PLC (programmable logic controller), a first hose and a second hose, wherein a first weighing sensor, a second weighing sensor and a drying air heater are arranged on the rack, a buffer bin is arranged on the first weighing sensor, a feed hopper is arranged above the buffer bin, a connecting pipe is arranged between the buffer bin and the feed hopper for connection, an air heater blowing nozzle facing the buffer bin is arranged in the connecting pipe, the air heater blowing nozzle is connected with the drying air heater, a moisture adsorption device is arranged on the buffer bin, a first electromagnetic valve is arranged at the bottom of the buffer bin, a weighing bin is arranged above the second weighing sensor, the top end of the weighing bin is connected with the bottom of the buffer bin through the first hose, a second electromagnetic valve is arranged at the bottom of the weighing bin, a partition plate is arranged in the weighing bin, the baffle will weigh the storehouse and separate into first storehouse and the second storehouse of weighing, the cooperation of baffle lower extreme sets up on second solenoid valve to it forms sealedly rather than, the baffle upper end is weighed the storehouse direction slope to the second and is formed with the slope baffle, the cooperation of slope baffle sets up on first solenoid valve to rather than forming sealedly, the first storehouse of weighing all is equipped with first force sensor with the inner chamber top position in second storehouse of weighing, the first storehouse of weighing all is equipped with second force sensor with the inner chamber bottom position in second storehouse of weighing, it has the ejection of compact storehouse to weigh the storehouse below through the second hose connection, it is connected with screw conveyer to go out the storehouse below.
Preferably, a stirring device is arranged in the buffer bin, a stirring motor is arranged on the outer wall of the buffer bin, and the stirring device is connected with the stirring motor.
Preferably, a stirring device is arranged in the discharging bin, a stirring motor is arranged on the machine frame relative to the stirring device, and the stirring device is connected with the stirring motor.
Preferably, the stirring device comprises a stirring blade and a rotating shaft, the stirring blade is Z-shaped, the stirring blade is connected with the rotating shaft through a screw, and the rotating shaft is connected with a stirring motor.
Preferably, a variable frequency motor is arranged on the rack, a speed reducer is connected to the variable frequency motor, and the speed reducer is connected with the screw conveyor.
Preferably, a third electric magnetic valve is arranged above the position of the blowing nozzle of the air heater on the connecting pipe, and a humidity sensor is arranged in the buffer bin.
Preferably, a manual butterfly valve is arranged on the feed hopper.
In conclusion, the beneficial effects of the invention are as follows:
1. in the invention, the first weighing sensor and the second weighing sensor can respectively measure the weight of the materials in the buffer bin and the material weighing bin and transmit the weight of the materials to the PLC, the opening of the first electromagnetic valve and the second valve is controlled by the PLC controller to achieve the accurate control of the materials, the hot air blower blowing nozzle on the connecting pipe body and the stirring device in the buffer bin can be used for blowing and drying the materials entering the buffer bin, so as to prevent moist materials from being attached to the equipment to cause constant later cleaning, meanwhile, the phenomena of caking, bridging and the like between materials can be prevented from affecting the control precision, in addition, the weighing bin is divided into two parts by the partition plate and the inclined partition plate, the structure can strengthen the small flow control and the accurate output of the weighing bin on the materials with smaller quality, and in addition, the weighing bin can process the materials more quickly and efficiently.
2. The agitating unit in the play feed bin can break up the material that falls down in the storehouse of weighing, makes its more even entering from screw conveyer, and screw conveyer can be discharged the material uniform velocity to screw conveyer is connected with inverter motor through the speed reducer, makes it adjust slew velocity according to the ejection of compact value of settlement.
3. Agitating unit is including stirring paddle leaf and axis of rotation, stirring paddle leaf is the font, stirring material that can be better, stirring paddle leaf is connected with the axis of rotation through the screw rod, and this structure can conveniently be changed when stirring paddle leaf damages.
4. The third electromagnetic valve is closed when the materials in the buffer bin reach the set weight, so that the best effect of the hot air blower nozzle and the stirring device which are caused by too much materials entering can not be played, and the humidity sensor can monitor whether the dryness of the materials in the buffer bin meets the requirement or not.
5. The feed hopper is provided with a manual butterfly valve which can be closed when the feed hopper is not used, so that the interior of the hopper is kept clean, and dust and the like are prevented from falling into the hopper to influence the precision of the hopper.
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, and 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 these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a frame; 2. a screw conveyor; 3. a PLC controller; 4. a first hose; 5. a second hose; 6. a first weighing sensor; 7. a second weighing sensor; 8. drying the air heater; 9. a buffer bin; 10. a feed hopper; 11. a connecting pipe; 12. a blowing nozzle of the air heater; 13. a moisture adsorption device; 14. a first electromagnetic valve; 15. a weighing bin; 16. a second electromagnetic valve; 17. a partition plate; 18. a first weighing bin; 19. a second weighing bin; 20. inclining the partition plate; 21. a first force sensitive sensor; 22. a second force sensitive sensor; 23. a discharging bin; 24. a stirring device; 241. a stirring paddle; 242. a rotating shaft; 25. a stirring motor; 26. a variable frequency motor; 27. a speed reducer; 28. a third electromagnetic valve; 29. a manual butterfly valve; 30. a humidity sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 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 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.
Examples
As shown in figure 1, the invention discloses a weightlessness scale applied to carbon fiber particle production and processing, which comprises a frame 1, a screw conveyor 2, a PLC controller 3, a first hose 4 and a second hose 5, wherein the frame 1 is provided with a first weighing inductor 6, a second weighing inductor 7 and a drying hot air blower 8, the first weighing inductor 6 is mainly used for inducing the weight of a buffer bin 9 arranged on the frame, a feed hopper 10 for materials to enter is arranged above the buffer bin 9, the buffer bin 9 and the feed hopper 10 are connected through a connecting pipe 11, in order to keep the entering materials dry, a hot air blower nozzle 12 facing the buffer bin 9 is arranged in the connecting pipe 11, the hot air blower nozzle 12 is connected with the drying hot air blower 8 arranged on the frame 1, and a moisture adsorption device 13 is arranged on the buffer bin 9 and used for absorbing moisture volatilized from the materials, in addition, a first electromagnetic valve 14 is arranged at the bottom of the buffer bin 9, a weighing bin 15 is arranged above the second weighing sensor, in order to ensure that the weight of the buffer bin 9 and the weight of the weighing bin 15 are not affected, the top end of the weighing bin 15 is connected with the bottom of the buffer bin 9 through a first hose 4, a second electromagnetic valve 16 is further arranged at the bottom of the weighing bin 15, a partition plate 7 is arranged in the weighing bin 15 and divides the weighing bin 15 into a first weighing bin 18 and a second weighing bin 19, wherein the lower end of the partition plate 7 is arranged on the second electromagnetic valve 16 in a matched manner and forms a seal with the second electromagnetic valve 16, an inclined partition plate 20 is formed by inclining the upper end of the partition plate 7 towards the direction of the second weighing bin 19, the inclined partition plate 20 is arranged on the first electromagnetic valve 14 in a matched manner and forms a seal with the first electromagnetic valve 20, so that the inlet of the first weighing bin 18 is larger than that of the second weighing bin 19, and first force sensors 21 are arranged at the top positions of the inner cavities of the first weighing bin 18, the bottom positions of the inner cavities of the first weighing bin 18 and the second weighing bin 19 are respectively provided with a second force-sensitive sensor 22, the first force-sensitive sensor 21 and the force-sensitive sensor 22 can be used for sensing the position of a material in the bin, the lower part of the weighing bin 15 is connected with a discharge bin 23 through a second hose 5, the lower part of the discharge bin 23 is connected with a spiral conveyor 2, the spiral conveyor 2 can discharge the blanking at a constant speed, and the spiral conveyor 2 is connected with a variable frequency motor 26 through a speed reducer 27, so that the rotating speed can be adjusted according to a set discharge value.
In the invention, a stirring device 24 is arranged in a buffer bin 9, a stirring motor 25 is arranged on the outer wall of the buffer bin 9, the stirring device 24 is connected with the stirring motor 25, the stirring device 24 is matched with a hot air blower nozzle 12 to better dry and break up materials, so that the wet materials are prevented from being attached to the equipment, and the phenomena of caking, bridging and the like between the materials can be prevented to influence the control precision, meanwhile, a third electromagnetic valve 28 is arranged above the position of the hot air blower nozzle 12 of a connecting pipe 11, the third electromagnetic valve 28 is closed when the materials in the buffer bin reach the set weight, so that the best effect of the hot air blower nozzle 12 and the stirring device 24 due to too many materials is prevented from being brought into play, in addition, a humidity sensor 30 is arranged in the buffer bin 9, and the humidity sensor 30 can monitor whether the dryness of the materials in the buffer bin 9 meets the requirement.
In the invention, the discharging bin 23 is also provided with a stirring device 24, the frame 1 is provided with a stirring motor 25 at a position corresponding to the stirring device 24 and is connected with the stirring device 24 in the discharging bin 23, and the stirring device 24 in the discharging bin 23 can scatter materials falling from the weighing bin 15 so as to enable the materials to enter the screw conveyor 2 more uniformly.
Wherein agitating unit 24 is including stirring paddle leaf 241 and axis of rotation 242, stirring paddle leaf 241 is the zigzag, stirring material that can be better, stirring paddle leaf 241 is connected with axis of rotation 242 through the screw rod, axis of rotation 242 is connected with agitator motor 25, and this structure can conveniently be changed when stirring paddle leaf 241 damages.
The feed hopper 10 is provided with a manual butterfly valve 29 which is closed when the feed hopper is not used, so that the interior of the hopper can be kept clean, and dust and the like are prevented from falling into the hopper to influence the precision.
The working principle is as follows: before the invention is used, the manual butterfly valve 29 is firstly opened, the third electromagnetic valve 28 is then opened, the materials are put into the feed hopper 10 at the moment, the drying hot air blower 8 starts to be started, the hot air blower nozzle 12 blows hot air into the buffer bin 9 from the direction of the connecting pipe 11, the hot air blower nozzle 12 plays a role in drying the materials while better sending the materials into the buffer bin 9, the moisture adsorption device 13 absorbs water vapor volatilized in the materials, when the materials in the buffer bin 9 reach the set upper limit of the first weighing sensor 6, the PLC controller 3 controls the third electromagnetic valve 28 to be closed, the stirring device 24 in the buffer bin 9 starts to rotate, the hot air blower nozzle 12 is matched with the stirring device 24 to better dry and disperse the materials, when the humidity sensor 30 in the buffer bin 9 senses that the drying degree of the materials in the buffer bin 9 meets the requirement, the data are transmitted to the PLC controller 3, the PLC 3 can open the first electromagnetic valve 14 according to the state in the weighing bin 15, so that the material falls into the weighing bin 15, the weighing bin 15 is divided into a first weighing bin 18 and a second weighing bin 19 by the partition plate 17, and the inclined partition plate 20 on the partition plate 17 inclines towards the second weighing bin 19 at the position of the first electromagnetic valve 14, so that the opening of the second weighing bin 19 at the position of the first electromagnetic valve 14 is smaller than that of the first weighing bin 18, so that the material can be filled in the first weighing bin 18 firstly when entering the first weighing bin 18 and the second weighing bin 19 respectively, when the first force-sensitive sensor 21 at the upper end of the inner cavity of the first weighing bin 18 senses the pressure caused by the material, the first weighing bin 18 is filled with the material, at the moment, the first electromagnetic valve 14 is closed to the position of the inclined partition plate 20, so that the position where the material cannot enter the first weighing bin 18 can only enter the second weighing bin 19, meanwhile, the second electromagnetic valve 16 is opened, the maximum opening range does not exceed the position of the partition 17, the material in the first weighing bin 18 enters the discharging bin 23, the stirring motor 25 in the discharging bin 23 starts to work, the fallen material is dispersed and enters the screw conveyor 2 to be conveyed out, meanwhile, when the first force-sensitive sensor 21 in the second weighing bin 19 senses the force brought by the material, the first electromagnetic valve 14 is completely closed, the third electromagnetic valve 28 is opened while the first electromagnetic valve 14 is completely closed, the feeding hopper 10 starts to feed the material and enters the buffer bin 9 for processing, when the pressure on the second force-sensitive sensor 22 in the first weighing bin 18 disappears, the material in the first weighing bin 18 is completely discharged, so the second electromagnetic valve 16 is completely opened, the material in the second weighing bin 19 is conveyed out from the discharging bin 23 from the screw conveyor 2 again, when the pressure applied to the second force sensor 22 in the second weighing bin 19 disappears, the second electromagnetic valve 16 is closed, the PLC controller 3 controls the second electromagnetic valve 16 to open when reaching the set value according to whether the weight of the material in the buffer bin 9 and the drying degree meet the requirements, and the process is circulated, wherein when the first electromagnetic valve 16 is not completely closed, the PLC controller 3 controls the opening degree of the second electromagnetic valve 16 according to the weight of the material reduced in the buffer bin 9 sensed by the first weighing sensor 6 in real time, and in combination with the weight of the material reduced or increased in the weighing bin 15 sensed by the second weighing sensor 7 in real time, and when the first electromagnetic valve 16 is completely closed, the PLC controller 3 controls the opening degree of the second electromagnetic valve 16 only according to the weight of the material reduced in the weighing bin 15, so that the structure can achieve the function of small flow and accurate control, in addition, the variable frequency motor 26 can rotate according to the set material output speed, so that the speed reducer 27 drives the screw conveyor 2 to output more accurately.
Meanwhile, the invention also points out terms such as: the terms "front," "back," "vertical," "horizontal," and the like, as used herein, are intended to refer to an orientation or positional relationship as shown in the drawings for convenience in describing the invention and in order to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the invention.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a be applied to weightlessness scale of carbon fiber granule production and processing, includes frame (1), screw conveyer (2), PLC controller (3), first hose (4) and second hose (5), its characterized in that: the weighing machine is characterized in that a first weighing inductor (6), a second weighing inductor (7) and a drying air heater (8) are arranged on the rack (1), a buffer bin (9) is arranged on the first weighing inductor (6), a feed hopper (10) is arranged above the buffer bin (9), a connecting pipe (11) is arranged between the buffer bin (9) and the feed hopper (10) for connection, an air heater blowing nozzle (12) facing the buffer bin (9) is arranged in the connecting pipe (11), the air heater blowing nozzle (12) is connected with the drying air heater (8), a moisture adsorption device (13) is arranged on the buffer bin (9), a first electromagnetic valve (14) is arranged at the bottom of the buffer bin (9), a weighing bin (15) is arranged above the second weighing inductor (7), and the top end of the weighing bin (15) is connected with the bottom of the buffer bin (9) through a first hose (4), the weighing device is characterized in that a second electromagnetic valve (16) is arranged at the bottom of the weighing bin (15), a partition plate (7) is arranged in the weighing bin (15), the weighing bin (15) is divided into a first weighing bin (18) and a second weighing bin (19) by the partition plate (7), the lower end of the partition plate (7) is arranged on the second electromagnetic valve (16) in a matched mode and forms sealing with the second electromagnetic valve, an inclined partition plate (20) is formed at the upper end of the partition plate (7) in an inclined mode towards the direction of the second weighing bin (19), the inclined partition plate (20) is arranged on the first electromagnetic valve (14) in a matched mode and forms sealing with the first electromagnetic valve, first force sensitive sensors (21) are arranged at the top positions of inner cavities of the first weighing bin (18) and the second weighing bin (19), second force sensitive sensors (22) are arranged at the bottom positions of the inner cavities of the first weighing bin (18) and the second weighing bin (19), and a discharge bin (23) is connected below the weighing bin (15) through a second, the lower part of the discharge bin (23) is connected with a screw conveyor (2).
2. The weight loss scale applied to the production and processing of carbon fiber particles as claimed in claim 1, is characterized in that: be equipped with agitating unit (24) in surge bin (9), be equipped with agitator motor (25) on surge bin (9) outer wall, agitating unit (24) are connected with agitator motor (25).
3. The weight loss scale applied to the production and processing of carbon fiber particles as claimed in claim 1, is characterized in that: the material discharging device is characterized in that a stirring device (24) is arranged in the material discharging bin (23), a stirring motor (25) is arranged on the position, relative to the stirring device (24), of the rack (1), and the stirring device (24) is connected with the stirring motor (25).
4. The weight loss scale applied to the production and processing of carbon fiber particles as claimed in claim 1 or 2, wherein: agitating unit (24) are including stirring paddle leaf (241) and axis of rotation (242), stirring paddle leaf (241) are the zigzag, stirring paddle leaf (241) are connected with axis of rotation (242) through the screw rod, axis of rotation (242) are connected with agitator motor (25).
5. The weight loss scale applied to the production and processing of carbon fiber particles as claimed in claim 1, is characterized in that: the machine frame (1) is provided with a variable frequency motor (26), the variable frequency motor (26) is connected with a speed reducer (27), and the speed reducer (27) is connected with the spiral conveyor (2).
6. The weight loss scale applied to the production and processing of carbon fiber particles as claimed in claim 1, is characterized in that: the third electromagnetic valve (28) is arranged above the position of the air heater blowing nozzle (12) of the connecting pipe (11), and a humidity sensor (30) is arranged in the buffer bin (9).
7. The weight loss scale applied to the production and processing of carbon fiber particles as claimed in claim 1, is characterized in that: and a manual butterfly valve (29) is arranged on the feed hopper (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256726.0A CN110967103A (en) | 2019-12-07 | 2019-12-07 | Be applied to weightless balance of carbon fiber granule production and processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256726.0A CN110967103A (en) | 2019-12-07 | 2019-12-07 | Be applied to weightless balance of carbon fiber granule production and processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110967103A true CN110967103A (en) | 2020-04-07 |
Family
ID=70033636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911256726.0A Withdrawn CN110967103A (en) | 2019-12-07 | 2019-12-07 | Be applied to weightless balance of carbon fiber granule production and processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110967103A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218492A (en) * | 2021-03-18 | 2021-08-06 | 中裕软管科技股份有限公司 | Pre-dispersion type weighing system |
-
2019
- 2019-12-07 CN CN201911256726.0A patent/CN110967103A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218492A (en) * | 2021-03-18 | 2021-08-06 | 中裕软管科技股份有限公司 | Pre-dispersion type weighing system |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200407 |
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| WW01 | Invention patent application withdrawn after publication |