CN113928827B - Reamer powder conveyor is carried to pipe - Google Patents
Reamer powder conveyor is carried to pipe Download PDFInfo
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- CN113928827B CN113928827B CN202111413271.6A CN202111413271A CN113928827B CN 113928827 B CN113928827 B CN 113928827B CN 202111413271 A CN202111413271 A CN 202111413271A CN 113928827 B CN113928827 B CN 113928827B
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- circular tube
- reamer
- cutter shaft
- gypsum powder
- shell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/26—Screws
- B65G33/265—Screws with a continuous helical surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/005—Cleaning conveyor screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention discloses a powder conveying device of a circular pipe conveying reamer, which comprises a circular pipe conveying reamer shell; reamer blades arranged in the shell of the circular tube conveying reamer; the invention can monitor the gypsum powder content in real time through the monitoring mechanism, which is used for controlling the gypsum powder conveying amount in real time; when the gypsum powder content monitored by the monitoring mechanism in real time is lower than the gypsum powder set content, the PLC controller can carry out warning action to prompt post personnel to check whether the circular pipe conveying reamer has a large fault or not in time.
Description
Technical Field
The invention relates to the technical field of gypsum board production, in particular to a round pipe conveying reamer powder conveying device.
Background
The gypsum board is a material made from building gypsum as a main raw material. The light-weight building material is light in weight, high in strength, thin in thickness, convenient to process, good in sound insulation, heat insulation, fire resistance and the like, and is one of the novel light-weight boards which are developed seriously at present.
The gypsum board manufacturing enterprises all use the circular tube reamer as the conveying equipment of gypsum powder, and the quantity of the gypsum powder cannot be perceived in the conveying process due to the good tightness of the circular tube reamer. When the circular tube reamer is in a transmission part, the operation is unstable (a speed reducer or a motor fails, and a reamer blade is blocked by foreign matters and the like), so that the gypsum powder conveying amount is neglected, the accuracy of the conveying amount cannot be effectively controlled, and the quantity of the gypsum powder conveying amount is far from being monitored only by a speed measuring switch of the transmission part.
Therefore, the circular pipe conveying reamer powder conveying device in the prior art cannot solve the problem that the conveying amount of gypsum powder is difficult to control in the conveying process.
Disclosure of Invention
The invention aims to provide a round pipe conveying reamer powder conveying device, which solves the technical problem that in the prior art, the conveying amount of gypsum powder is difficult to control in the conveying process.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a round pipe conveying reamer powder conveying device comprises
Round tube conveying reamer shell;
reamer blades arranged in the shell of the circular tube conveying reamer;
the circular tube feeding port and the circular tube outlet are respectively arranged on the side walls of two ends of the circular tube conveying reamer shell, the circular tube feeding port can guide gypsum powder to enter the circular tube conveying reamer shell, and the circular tube outlet can guide gypsum powder to be discharged out of the circular tube conveying reamer shell;
the transmission speed reducer is arranged at the outer side of the round pipe conveying reamer shell, the output end of the transmission speed reducer is connected with the end part of the reamer blade, and the transmission speed reducer is used for driving the reamer blade to rotate in the round pipe conveying reamer shell so that gypsum powder moves from the round pipe feeding hole to the round pipe outlet in a set content;
the monitoring mechanism is arranged between the circular tube feeding hole and the circular tube outlet and is connected with the side wall of the circular tube conveying reamer shell, and the monitoring mechanism can monitor the gypsum powder content in the circular tube conveying reamer shell in real time;
the PLC is connected with the monitoring mechanism and can control the rotating speed of the transmission speed reducer and warn the gypsum powder content;
when the gypsum powder content monitored in real time by the monitoring mechanism is lower than the gypsum powder set content, the PLC can perform warning action;
the side wall of the circular tube conveying reamer shell is provided with two transparent blocks between the circular tube feeding hole and the circular tube outlet, and the two transparent blocks are symmetrically arranged about the vertical center line of the circular tube conveying reamer shell;
the monitoring mechanism comprises a light emitting diode and a photosensitive sensor, wherein the light emitting diode is used for emitting light signals towards the photosensitive sensor, and the photosensitive sensor is used for receiving the light signals, converting the light signals into strong electric signals and feeding the strong electric signals back to the PLC;
the light emitting diodes and the photosensitive sensors are respectively connected to the two transparent blocks in a one-to-one correspondence manner;
when the gypsum powder content in the circular tube conveying reamer shell is not lower than the positions of the two transparent blocks, the photosensitive sensor is not started; when the gypsum powder content in the shell of the circular pipe conveying reamer is lower than the positions of the two transparent blocks, the photosensitive sensor is started and feeds signals back to the PLC;
the two transparent blocks are provided with monitoring areas on the round pipe conveying reamer shell, and the monitoring areas are perpendicular to the vertical center line of the round pipe conveying reamer shell;
the monitoring area is higher than the position of the circular tube conveying reamer shell from the horizontal tangent line of the reamer blade to 2/3 of the reamer cross section;
the reamer blade comprises a cutter shaft connected with the transmission speed reducer and a spiral cutter blade connected to the side wall of the cutter shaft, and the monitoring area is arranged right above the cutter shaft;
the distance from the center of the cutter shaft to the surface of the cutter shaft is not higher than the distance from the center of the cutter shaft to the lowest part of the monitoring area;
the cutter shaft is internally provided with a blast air channel, a blast air bag is arranged at a position, corresponding to the monitoring area, of the side wall of the cutter shaft, the blast air bag is communicated with the blast air channel, one end, far away from the transmission speed reducer, of the cutter shaft is connected with a bulge air bag, the bulge air bag is communicated with the blast air channel, a pressing ring is connected at a position, corresponding to the bulge air bag, of the inner wall of the end part of the circular tube conveying reamer shell, and the pressing ring can press the bulge air bag to enable air in the bulge air bag to enter the blast air channel;
when the expanding bag does not contact with the pressing ring, the surface of the air drum bag is flush with the surface of the cutter shaft;
when the expanding bag contacts with the pressing ring, the surface of the air blowing bag is higher than the surface of the cutter shaft.
As a preferable scheme of the invention, the edge of the spiral blade is provided with a concave arc groove, and a cleaning belt is connected in the concave arc groove and can clean the surface of the transparent block.
As a preferable scheme of the invention, a piece storage groove is formed in the position, corresponding to the air blowing bag, of the side wall of the cutter shaft, the air blowing bag is connected in the piece storage groove, and a stretching piece connected with the side wall of the air blowing bag is arranged at the edge of the piece storage groove;
the stretching piece can seal the gap between the inflated air bag and the piece storage groove.
As a preferable scheme of the invention, an embedded groove is arranged in the concave arc groove, a deformation strip connected with the cleaning belt is arranged in the embedded groove, and the deformation strip can move in the embedded groove with the cleaning belt;
the surface of the cleaning belt is provided with a storage groove.
As a preferable scheme of the invention, a pressure relief groove is arranged in the cutter shaft, and a pressure relief bag communicated with the air blowing channel is arranged in the pressure relief groove.
As a preferable mode of the invention, the inner side wall of the pressing ring is provided with a plurality of pressing tables, and the lengths of the plurality of pressing tables are increased in a counterclockwise sequence.
Compared with the prior art, the invention has the following beneficial effects:
the invention can monitor the gypsum powder content in real time through the monitoring mechanism, which is used for controlling the conveying amount of the gypsum powder in real time, when the invention is in particular implementation, the reamer blade is driven by the transmission speed reducer to rotate in the circular tube conveying reamer shell, so that the gypsum powder moves from the circular tube feeding hole to the circular tube outlet in a set content, and in the process, the monitoring mechanism can monitor the gypsum powder content in the circular tube conveying reamer shell in real time; when the gypsum powder content monitored by the monitoring mechanism in real time is lower than the gypsum powder set content, the PLC controller can carry out warning action to prompt post personnel to check whether the circular pipe conveying reamer has a large fault or not in time.
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 will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of a shell of a circular tube conveying reamer when a PLC controller works in an embodiment of the invention;
FIG. 3 is a schematic view of a pressing ring according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a monitoring area according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a concave arc groove structure according to an embodiment of the present invention.
Reference numerals in the drawings are respectively as follows:
1-a circular tube feeding hole; 2-a circular tube outlet; 3-conveying reamer shells by circular pipes; 4-reamer blades; 5-a transmission speed reducer; 6-light emitting diodes; 7-a photosensitive sensor; 8-a PLC controller;
31-transparent blocks; 32-monitoring area;
41-knife shaft; 42-spiral blade; 43-drum air duct; 44-drum bladder; 45-inflating the bladder; 46-pressing ring; 47-concave arc groove; 48-cleaning belt;
411-a storage slot; 412-stretching the sheet; 431-pressure release groove; 432-pressure relief bladder; 461-a pressing table; 471-insert groove; 472-deformed strips; 481-groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, the invention provides a round tube conveying reamer powder conveying device, which comprises a round tube conveying reamer shell 3;
reamer blades 4 arranged in the circular tube conveying reamer shell 3;
the circular tube feeding hole 1 and the circular tube outlet 2 are respectively arranged on the side walls of two ends of the circular tube conveying reamer shell 3, the circular tube feeding hole 1 can guide gypsum powder to enter the circular tube conveying reamer shell 3, and the circular tube outlet 2 can guide gypsum powder to be discharged out of the circular tube conveying reamer shell 3;
the transmission speed reducer 5 is arranged outside the round pipe conveying reamer shell 3, the output end of the transmission speed reducer 5 is connected with the end part of the reamer blade 4, and the transmission speed reducer 5 is used for driving the reamer blade 4 to rotate in the round pipe conveying reamer shell 3 so that gypsum powder moves from the round pipe feed inlet 1 to the round pipe outlet 2 in a set content;
the monitoring mechanism is arranged between the circular tube feeding hole 1 and the circular tube outlet 2 and is connected with the side wall of the circular tube conveying reamer shell 3, and the monitoring mechanism can monitor the gypsum powder content in the circular tube conveying reamer shell 3 in real time;
the PLC 8 is connected with the monitoring mechanism and can control the rotating speed of the transmission speed reducer 5 and warn the gypsum powder content;
when the gypsum powder content monitored by the monitoring mechanism in real time is lower than the gypsum powder set content, the PLC 8 can perform warning action.
The invention can monitor the gypsum powder content in real time through the monitoring mechanism, in order to control the conveying amount of gypsum powder in real time, in the concrete implementation, drive the reamer blade 4 to rotate in the round tube conveying reamer shell 3 through the transmission speed reducer 5, make gypsum powder move from the round tube feed inlet 1 to the round tube outlet 2 with the set content, and in this process, the monitoring mechanism can monitor the gypsum powder content in the round tube conveying reamer shell 3 in real time; when the gypsum powder content monitored by the monitoring mechanism in real time is lower than the gypsum powder set content, the PLC 8 can carry out warning action to prompt post personnel to check whether the circular pipe conveying reamer has a large fault or not in time.
In this embodiment, each part can all adopt current equipment, and it can realize the detection of gesso content than current conveying equipment, can in time judge whether the gesso in the pipe conveying reamer casing 3 is full of whole casing and can not appear the condition that partial region does not have the gesso.
As shown in fig. 1 and 2, two transparent blocks 31 are arranged on the side wall of the circular pipe conveying reamer shell 3 between the circular pipe feeding hole 1 and the circular pipe outlet 2 (the transparent blocks 31 can be made of the existing transparent materials, for example, plates made of transparent acrylic plate materials can be selected, so long as light penetration can be met and gypsum powder conveying is not affected), and the two transparent blocks 31 are symmetrically arranged about the vertical central line of the circular pipe conveying reamer shell 3;
the monitoring mechanism comprises a light emitting diode 6 and a photosensitive sensor 7, wherein the light emitting diode 6 is used for emitting light signals towards the photosensitive sensor 7, and the photosensitive sensor 7 is used for receiving the light signals and converting the light signals into strong electric signals to be fed back to the PLC 8;
the light emitting diode 6 and the photosensitive sensor 7 are respectively connected to the two transparent blocks 31 in a one-to-one correspondence manner;
when the gypsum powder content in the circular tube conveying reamer shell 3 is not lower than the positions of the two transparent blocks 31, the photosensitive sensor 7 is not started; when the gypsum powder content in the circular pipe conveying reamer shell 3 is lower than that of the two transparent blocks 31, the photosensitive sensor 7 is started and feeds signals back to the PLC 8.
In order to realize the detection action in the gypsum powder conveying process, when the gypsum powder conveying device is specifically implemented, under normal conditions, gypsum powder enters from the circular tube feeding hole 1, the reamer blades 4 are pushed to anticlockwise operate under the action of the transmission speed reducer 5, the gypsum powder is driven to move towards the circular tube outlet 2, and when the transmission speed reducer 5 is lost or blocked, the gypsum powder close to the circular tube outlet 2 enters the next section of conveying equipment, so that the gypsum powder at the circular tube outlet 2 cannot move in a full tube, and the phenomenon that the gypsum powder conveying material level is lower than that of the circular tube conveying reamer blade main shaft and the existing blank exists can occur. At this time, at the position of the transparent block 31 reserved on the reamer shell 3 for round pipe conveying, for example, at the position of the transparent hole of organic glass, at this time, the light emitted by the light emitting diode 6 irradiates the photosensitive sensor 7 on the opposite side of the light emitting diode 6 under the condition of no powder shielding, and the photosensitive sensor 7 converts the received strong light signal into the strong electric signal and feeds the strong electric signal back to the PLC 8 because the light is transmitted to the photosensitive sensor 7, the PLC 8 can emit the superstrong prompt alarm sound, and prompt post personnel to check whether the reamer for round pipe conveying has a large fault in time.
In addition, under the condition of the flow of the gypsum powder obtained by monitoring, the PLC 8 is required to send a command to the circular pipe conveying reamer transmission speed reducer 5, namely the frequency of the operation of the reamer blades is quickened, and the conveying capacity is improved. When the amount of the gypsum powder is higher than the monitoring position of the light emitting diode 6 or the gypsum powder is in a full pipe state, the linear light emitted by the light emitting diode 6 cannot be transmitted to the photosensitive sensor 7, and no electric signal is transmitted to the PLC controller 8 by the photosensitive sensor 7, so that the operation of the circular pipe conveying reamer is normal.
As shown in fig. 1, 2, 3 and 4, since the monitoring area 32 is disposed at a larger number of positions, but the monitoring area 32 disposed obliquely is disposed so that the monitored gypsum powder content data is inaccurate, it is preferable that two transparent blocks 31 are formed with the monitoring area 32 on the round tube conveying reamer housing 3, and the monitoring area 32 is perpendicular to the vertical center line of the round tube conveying reamer housing 3;
the monitoring area 32 is higher than the position of the reamer shell 3 for conveying the round pipe by 2/3 of the horizontal tangent line of the reamer blade 4 to the reamer cross section.
The monitoring zone 32 is arranged to quickly and timely detect the gypsum powder content and the position in the circular tube conveying reamer housing 3, and when the gypsum powder flow changes, the photosensitive sensor 7 at the position is most easily used for sensing the light emitted by the light emitting diode 6.
As shown in fig. 1, 3 and 4, in the prior art, when the positions of the cutter shaft 41 and the spiral cutter blades 42 are too large, the phenomenon of shielding the monitoring area 32 occurs, so that preferably, the reamer blades 4 comprise the cutter shaft 41 connected with the transmission speed reducer 5 and the spiral cutter blades 42 connected to the side wall of the cutter shaft 41, and the monitoring area 32 is arranged right above the cutter shaft 41;
the distance from the center of the cutter shaft 41 to the surface of the cutter shaft 41 is not higher than the distance from the center of the cutter shaft 41 to the lowest part of the monitoring area 32.
The specific arrangement of the cutter shaft 41 and the spiral cutter blades 42 can be shown with reference to fig. 1, 3 and 4, and this arrangement can prevent the surface of the cutter shaft 41 from blocking the monitoring area 32.
As shown in fig. 3, 4 and 5, in order to prevent the detection of the monitoring area 32 from being affected due to the accumulation of gypsum powder on the surface of the cutter shaft 41 (if the gypsum powder content is insufficient, the surface of the cutter shaft 41 is accumulated with more gypsum powder to block the monitoring area 32), preferably, a blast air channel 43 is formed in the cutter shaft 41, a blast air bag 44 is arranged at the position corresponding to the monitoring area 32 on the side wall of the cutter shaft 41, the blast air bag 44 is communicated with the blast air channel 43, one end of the cutter shaft 41, which is far away from the transmission reducer 5, is connected with a bulge bladder 45, the bulge bladder 45 is communicated with the blast air channel 43, a pressing ring 46 is connected with the position corresponding to the bulge bladder 45 on the inner wall of the end part of the circular pipe conveying reamer shell 3, and the pressing ring 46 can press the bulge bladder 45 to enable air in the bulge bladder 45 to enter the blast air channel 43;
when the expanding bladder 45 does not contact the pressing ring 46, the surface of the air-blowing bladder 44 is flush with the surface of the cutter shaft 41;
when the bulge-up bladder 45 contacts the pressing ring 46, the surface of the air-blowing bladder 44 is higher than the surface of the cutter shaft 41.
When the cutter shaft 41 rotates, the bulge capsules 45 contact the pressing ring 46, at the moment, the pressing ring 46 presses the bulge capsules 45 to enable gas in the bulge capsules 45 to enter the air blowing channels 43, then the gas in the air blowing channels 43 can enter the air blowing bags 44, and then the air blowing bags 44 expand gypsum powder pushing the surface of the cutter shaft 41 to slide to two sides of the cutter shaft 41, so that a large amount of gypsum powder accumulated on the surface of the cutter shaft 41 is prevented from affecting data detection in the monitoring area 32.
The inflation bladder 45 will reset after no more being squeezed, that is, gas will continue to enter the inflation bladder 45 (in order to further enable gas to enter the inflation bladder 45, a reset spring may be optionally disposed in the inflation bladder 45), that is, the inflation bladder 44 will return to the position before inflation, facilitating data detection in the monitoring area 32.
In this embodiment, the number of the inflation bags 45 should be small, so as to prevent the detection result from being affected due to multiple inflation of the air bags 44, and the air bags 44 cannot block the entire monitoring area 32 when lifted, that is, the air bags 44 can only push the gypsum powder on the cutter shaft 41 to slide after inflation, but cannot block the monitoring area 32.
As shown in fig. 5, in order to prevent the transparent block 31 from being covered with gypsum powder, which may affect the detection result, it is preferable that a concave arc groove 47 is provided at the edge of the spiral blade 42, and a cleaning belt 48 is connected to the concave arc groove 47, and the cleaning belt 48 is capable of cleaning the surface of the transparent block 31.
When the spiral blade 42 rotates, the cleaning belt 48 rotates along with the spiral blade 42, and the cleaning belt 48 cleans the surface of the transparent block 31.
As shown in fig. 4, in order to prevent gypsum powder from entering the gap between the air bag 44 and the storing slot 411 due to inflation of the air bag 44, it is preferable that the storing slot 411 is formed at the position corresponding to the air bag 44 on the side wall of the cutter shaft 41, the air bag 44 is connected in the storing slot 411, and a stretching piece 412 connected with the side wall of the air bag 44 is mounted on the edge of the storing slot 411;
the tension sheet 412 can block the gap between the inflated air bag 44 and the storage slot 411.
The stretching sheet 412 is pulled to stretch by the air bag 44 when the air bag 44 is inflated, thereby blocking the gap between the air bag 44 and the storage slot 411 after inflation, thereby preventing gypsum powder from entering the gap between the air bag 44 and the storage slot 411.
As shown in fig. 4, an embedding groove 471 is arranged in the concave arc groove 47, a deformation strip 472 connected with the cleaning belt 48 is arranged in the embedding groove 471, the deformation strip 472 can move in the embedding groove 471 along with the cleaning belt 48, and the deformation strip 472 (the deformation strip 472 can select a pneumatic strip) is arranged so that the cleaning belt 48 cannot sweep directly when encountering agglomerated gypsum powder, but is pushed into the concave arc groove 47 by the agglomerated gypsum powder, and the cleaning belt 48 is prevented from being scratched;
the cleaning belt 48 has a storage groove 481 formed on its surface so that gypsum powder can be scraped into the storage groove 481.
In order to prevent the phenomenon that the air bag 44 is easily damaged due to the insufficient gypsum powder content but the air bag 44 cannot bulge, it is preferable that the cutter shaft 41 is provided with a pressure release groove 431, and the pressure release groove 431 is provided with a pressure release bag 432 communicated with the air duct 43.
When the inflation bladder 45 is pressed, the air pushes the pressure release bladder 432 to expand to release the pressure of the inflation bladder 44 because the inflation bladder 44 is held against the gypsum powder.
The inner side wall of the pressing ring 46 is provided with a plurality of pressing tables 461, and the lengths of the plurality of pressing tables 461 are increased in a counterclockwise order, so that the air-blowing bag 44 is provided with a plurality of position changes when being inflated, that is, the movement amount of the gypsum powder can be increased through the change of different heights, and when the gypsum powder content is low, the gypsum powder in the surface area of the cutter shaft 41 can not be accumulated more on one side or the area where the air-blowing bag 44 is positioned has larger concave.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements may be made to the present application by those skilled in the art, which modifications and equivalents are also considered to be within the scope of the present application.
Claims (6)
1. The utility model provides a reamer powder conveyor is carried to pipe which characterized in that: comprising
A round tube conveying reamer shell (3);
reamer blades (4) arranged in the circular tube conveying reamer shell (3);
the circular tube feeding hole (1) and the circular tube outlet (2), the circular tube feeding hole (1) and the circular tube outlet (2) are respectively arranged on the side walls of two ends of the circular tube conveying reamer shell (3), the circular tube feeding hole (1) can guide gypsum powder to enter the circular tube conveying reamer shell (3), and the circular tube outlet (2) can guide gypsum powder to be discharged out of the circular tube conveying reamer shell (3);
the transmission speed reducer (5) is arranged at the outer side of the circular tube conveying reamer shell (3), the output end of the transmission speed reducer (5) is connected with the end part of the reamer blade (4), and the transmission speed reducer (5) is used for driving the reamer blade (4) to rotate in the circular tube conveying reamer shell (3) so that gypsum powder moves from the circular tube feeding hole (1) to the circular tube outlet (2) in a set content;
the monitoring mechanism is arranged between the circular tube feeding hole (1) and the circular tube outlet (2) and is connected with the side wall of the circular tube conveying reamer shell (3), and the monitoring mechanism can monitor the gypsum powder content in the circular tube conveying reamer shell (3) in real time;
the PLC (8) is connected with the monitoring mechanism and can control the rotating speed of the transmission speed reducer (5) and warn the gypsum powder content;
when the gypsum powder content monitored in real time by the monitoring mechanism is lower than the gypsum powder set content, the PLC (8) can perform warning action;
two transparent blocks (31) are arranged on the side wall of the circular tube conveying reamer shell (3) between the circular tube feeding hole (1) and the circular tube outlet (2), and the two transparent blocks (31) are symmetrically arranged relative to the vertical center line of the circular tube conveying reamer shell (3);
the monitoring mechanism comprises a light emitting diode (6) and a photosensitive sensor (7), wherein the light emitting diode (6) is used for emitting light signals towards the photosensitive sensor (7), and the photosensitive sensor (7) is used for receiving the light signals and converting the light signals into strong electric signals to be fed back to the PLC (8);
the light emitting diodes (6) and the photosensitive sensors (7) are respectively connected to the two transparent blocks (31) in a one-to-one correspondence manner;
when the gypsum powder content in the circular tube conveying reamer shell (3) is not lower than the positions of the two transparent blocks (31), the photosensitive sensor (7) is not started; when the gypsum powder content in the circular tube conveying reamer shell (3) is lower than the positions of the two transparent blocks (31), the photosensitive sensor (7) is started and feeds signals back to the PLC (8);
the two transparent blocks (31) are provided with monitoring areas (32) on the round pipe conveying reamer shell (3), and the monitoring areas (32) are perpendicular to the vertical center line of the round pipe conveying reamer shell (3);
the monitoring area (32) is higher than the position of the horizontal tangent line of the reamer blade (4) to 2/3 of the reamer section at the setting position of the round pipe conveying reamer shell (3);
the reamer blade (4) comprises a cutter shaft (41) connected with the transmission speed reducer (5) and a spiral cutter blade (42) connected to the side wall of the cutter shaft (41), and the monitoring area (32) is arranged right above the cutter shaft (41);
the distance from the center of the cutter shaft (41) to the surface of the cutter shaft (41) is not higher than the distance from the center of the cutter shaft (41) to the lowest part of the monitoring area (32);
a drum air passage (43) is formed in the cutter shaft (41), a drum air bag (44) is arranged at a position, corresponding to the monitoring area (32), of the side wall of the cutter shaft (41), the drum air bag (44) is communicated with the drum air passage (43), an expanding bag (45) is connected to one end, far away from the transmission speed reducer (5), of the cutter shaft (41), the expanding bag (45) is communicated with the drum air passage (43), a pressing ring (46) is connected to a position, corresponding to the expanding bag (45), of the inner wall of the end part of the circular tube conveying reamer shell (3), and the pressing ring (46) can press the expanding bag (45) to enable air in the expanding bag (45) to enter the drum air passage (43);
when the expanding bag (45) is not contacted with the pressing ring (46), the surface of the air blowing bag (44) is flush with the surface of the cutter shaft (41);
when the expanding bag (45) contacts the pressing ring (46), the surface of the air blowing bag (44) is higher than the surface of the cutter shaft (41).
2. The round tube conveying reamer powder conveying device according to claim 1, wherein: the edge of the spiral blade (42) is provided with a concave arc groove (47), a cleaning belt (48) is connected to the concave arc groove (47), and the cleaning belt (48) can clean the surface of the transparent block (31).
3. The round tube conveying reamer powder conveying device according to claim 1, wherein: a piece storage groove (411) is formed in the position, corresponding to the air blowing bag (44), of the side wall of the cutter shaft (41), the air blowing bag (44) is connected in the piece storage groove (411), and a stretching piece (412) connected with the side wall of the air blowing bag (44) is arranged at the edge of the piece storage groove (411);
the stretching piece (412) can seal the gap between the inflated air bag (44) and the storage groove (411).
4. The round tube conveying reamer powder conveying device according to claim 2, wherein: an embedded groove (471) is arranged in the concave arc groove (47), a deformation strip (472) connected with the cleaning belt (48) is arranged in the embedded groove (471), and the deformation strip (472) can move in the embedded groove (471) with the cleaning belt (48);
the surface of the cleaning belt (48) is provided with a storage groove (481).
5. The round tube conveying reamer powder conveying device according to claim 1, wherein: a pressure relief groove (431) is formed in the cutter shaft (41), and a pressure relief bag (432) communicated with the air blast channel (43) is arranged in the pressure relief groove (431).
6. The round tube conveying reamer powder conveying device according to claim 1, wherein: the inner side wall of the pressing ring (46) is provided with a plurality of pressing tables (461), and the lengths of the plurality of pressing tables (461) are increased in a counterclockwise order.
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