CN113932611B - Automatic discharging mechanism of calcining furnace - Google Patents
Automatic discharging mechanism of calcining furnace Download PDFInfo
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- CN113932611B CN113932611B CN202111385830.7A CN202111385830A CN113932611B CN 113932611 B CN113932611 B CN 113932611B CN 202111385830 A CN202111385830 A CN 202111385830A CN 113932611 B CN113932611 B CN 113932611B
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- screw rod
- threaded sleeve
- calcining furnace
- control system
- driving piece
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The invention discloses an automatic discharging mechanism of a calcining furnace, which comprises a material opening and closing actuating piece, a rotary driving piece for driving the material opening and closing actuating piece to move, a photoelectric switch and a control system, wherein the photoelectric switch and the control system are arranged on an output shaft of the rotary driving piece; the control system is through regulating and controlling the positive and negative rotation of rotary driving piece in order to drive material mouth switching executive component and open or close the bin outlet, and photoelectric switch follows the rotary driving piece rotation and sends the pulse to control system, and control system judges the displacement distance and regulates and control the operating condition of material mouth switching executive component according to the comparison result of real-time displacement distance and preset distance according to the pulse number of statistics. The material opening and closing actuating piece is controlled to move back and forth to open or close the material outlet by controlling the forward and reverse rotation of the rotary driving piece through the control system, and the control system is combined with the photoelectric switch to control the moving distance of the material opening and closing actuating piece.
Description
Technical Field
The invention relates to the technical field of gypsum board manufacturing, in particular to an automatic discharging mechanism of a calcining furnace.
Background
Before the gypsum board is formed and manufactured, the gypsum needs to be calcined to prepare materials, a calcining furnace is usually used for frying materials, and after the high-temperature calcining furnace is stopped frying materials, the materials in a conical body of the calcining furnace need to be emptied for use in the subsequent process.
A discharge valve is usually arranged on the existing calcining furnace, and the discharge valve is opened outwards to realize discharge.
However, in the process of frying materials in the calcining furnace, because the materials contain the crystallized water and the discharging hole is not tightly sealed, cold and hot air at the discharging hole on the side face of the cone of the calcining furnace are mixed to form water vapor, and the water vapor is combined with gypsum powder in the cone to form a material block. Because the caking blocks can not be automatically broken, even if the valve is opened outwards, the materials in the cone are difficult to discharge, and because the temperature in the cone of the calcining furnace is higher, the difficulty and the danger of manual operation are improved.
Disclosure of Invention
The invention aims to provide an automatic discharging mechanism of a calcining furnace, which aims to solve the technical problem of difficult discharging caused by the accumulation of material blocks at a discharging port of the calcining furnace in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
an automatic discharging mechanism of a calcining furnace comprises:
the material opening and closing actuating piece is arranged on a material outlet of the calcining furnace and is used for moving towards the direction far away from or close to the material outlet under the driving of the rotary driving piece so as to open or close the material outlet, and the rotary driving piece is arranged at the end part of one side of the material opening and closing actuating piece;
the material opening and closing actuating part comprises a circular truncated cone and a screw rod, the circular truncated cone is installed at one end of the screw rod, and the other end of the screw rod penetrates out of the inner cavity of the calcining furnace and is connected to the rotary driving part;
a drill bit cluster is arranged at the end part of the screw rod, moves synchronously along with the screw rod and is used for breaking a material block formed at the outer side end of the discharge port;
the photoelectric switch is arranged on the rotary driving piece and generates a pulse signal every time the rotary driving piece rotates one circle;
the photoelectric switch and the rotary driving piece are respectively and electrically connected with the control system,
control system output control instruction starts rotatory driving piece, rotatory driving piece passes through the lead screw drives the round platform awl is to keeping away from or being close to the direction of bin outlet removes, just photoelectric switch follows rotatory driving piece is rotatory and every rotation circumference control system sends a pulse signal, control system receives pulse signal and statistics pulse number and inciting somebody to action the pulse number converts into the displacement distance of material mouth switching executive component, control system will displacement distance contrasts with preset's distance and controls according to the contrast result rotatory driving piece operation stops to regulate and control the operating condition of material mouth switching executive component.
In a preferred embodiment of the present invention, when the discharge opening is closed, the circular truncated cone blocks the discharge opening, and a portion of the circular truncated cone on the side with the large cross section at the bottom of the circular truncated cone is disposed outside the discharge opening, and a portion of the circular truncated cone on the side with the small cross section at the top of the circular truncated cone is disposed inside the discharge opening.
As a preferred scheme of the invention, one side of the screw rod penetrates through the side wall of the calcining furnace from inside to outside, and the screw rod is connected with the outer side wall of the calcining furnace in a sealing way through a sealing and fixing piece, wherein the sealing and fixing piece comprises a sealing cushion block, a flange and a fixing block which are sequentially sleeved on the screw rod, the sealing cushion block is tightly attached to the outer side wall of the calcining furnace, the flange is tightly attached to the sealing cushion block, and the fixing block is arranged on the flange;
the sealing cushion block and the flange are used for sealing the joint of the lead screw rod body and the side wall of the calcining furnace, and the fixing block is used for supporting and fixing the lead screw so as to prevent the lead screw from rotating along with the rotary driving piece.
As a preferred scheme of the invention, the rotary driving part comprises a forward and reverse rotation motor and a threaded sleeve, the forward and reverse rotation motor is fixed, an output rotating shaft rotates at a constant speed, the threaded sleeve is fixedly arranged on the output rotating shaft of the forward and reverse rotation motor, and the threaded sleeve rotates synchronously along with the output rotating shaft of the forward and reverse rotation motor;
the screw rod body is provided with a thread section, one end of the screw rod is in threaded connection with the thread sleeve, part of the rod body of the screw rod is arranged inside the thread sleeve, and the thread sleeve rotates to drive the screw rod to move linearly.
As a preferable scheme of the invention, when the forward and reverse rotation motor drives the threaded sleeve to rotate reversely, the threaded sleeve drives the screw rod to move linearly in a direction away from the discharge opening, and the circular truncated cone moves from the discharge opening to the outside of the calcining furnace to open the discharge opening for discharging; when the forward and reverse rotating motor drives the threaded sleeve to rotate forward, the threaded sleeve drives the screw rod to move linearly in the direction close to the discharge port, and the circular truncated cone moves from the outside of the calcining furnace to the direction of the discharge port until the circular truncated cone completely blocks the discharge port so as to close the discharge port.
As a preferable scheme of the present invention, the optoelectronic switch includes a transmitter and a receiver, the transmitter is mounted on the outer sidewall of the threaded sleeve and synchronously rotates with the threaded sleeve, the receiver is disposed outside the threaded sleeve, and a receiving window of the receiver is disposed right opposite to a transmitting window of the transmitter;
and the receiver is butted with the transmitter once every time the transmitter rotates, and the receiver generates a pulse signal every time the receiver is butted and sends the pulse signal to the control system.
As a preferred scheme of the present invention, the control system includes a control unit, a processing unit and a counting unit, the forward and reverse rotation motor and the processing unit are both connected to the control unit, the photoelectric switch is connected to the counting unit, and the processing unit is connected to the counting unit;
the control unit transmits a control instruction to start the forward and reverse rotation motor to operate, the forward and reverse rotation motor drives the threaded sleeve to rotate so as to drive the screw rod to move, the photoelectric switch sends a pulse signal to the counting unit every time the photoelectric switch rotates one circle along with the threaded sleeve, the counting unit is used for counting the number of pulses transmitted by the photoelectric switch in one movement process of the screw rod, the processing unit converts the number of pulses counted by the counting unit into the movement distance of the screw rod and compares the movement distance of the screw rod in one movement process with a set distance, when a preset value is reached, the processing unit sends an action completion signal to the control unit, and the control unit receives the action completion signal and sends a regulation and control instruction to control the forward and reverse rotation motor to stop operating.
As a preferred scheme of the invention, the control system further comprises a timing module, the timing module is connected with the control unit, and the timing module is used for counting the discharging time of the discharging opening, so that automatic discharging and stopping discharging are realized;
the control unit receives the action completion signal and transmits a regulation and control instruction to regulate and control the reverse rotation stop of the forward and reverse rotation motor and simultaneously regulate and control the timing of the timing module, and when the timing time of the timing module is the same as the set timing duration, the control unit regulates and controls the forward rotation operation of the forward and reverse rotation motor so as to drive the screw rod to execute the action of closing the discharge hole, and simultaneously the control unit regulates and controls the reset of the timing module.
As a preferred scheme of the invention, the drill bit cluster comprises a main drill bit and an auxiliary drill bit, the main drill bit is connected to the threaded sleeve through a rotary connecting rod, the rotary connecting rod is arranged inside the screw rod, one end of the rotary connecting rod extends out of the screw rod, the rotary connecting rod is connected to the threaded sleeve through a bolt, the other end of the rotary connecting rod is connected to the main drill bit, and the threaded sleeve drives the main drill bit to rotate through the rotary connecting rod.
In a preferred embodiment of the present invention, the drill of the main drill is a triangular cut or break with an ice pick-head shape, and the sub-drill is an "S" shaped blade shape;
the tool body of the auxiliary drill tool inclines towards the direction of the middle main drill tool, and the linear distance between two auxiliary drill tools with the outermost peripheries at opposite positions is smaller than the diameter of the large cross section at the bottom of the circular truncated cone.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the opening and closing action of the discharge opening is executed by arranging the material opening and closing executing part at the discharge opening of the calcining furnace, the forward and reverse rotation of the rotary driving part is regulated and controlled by arranging the control system so as to regulate and control the material opening and closing executing part to move back and forth to open or close the discharge opening, and the moving distance of the material opening and closing executing part is controlled by combining the control system with the photoelectric switch arranged on the rotary driving part.
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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a partial cross-sectional view of an automatic discharge mechanism provided in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of signal connections of a control system according to an embodiment of the present invention;
FIG. 3 is a schematic view of a connection structure of a drill cluster provided in an embodiment of the present invention;
the reference numerals in the drawings denote the following, respectively:
1-opening and closing executive component of material port; 2-a rotary drive; 3-a photoelectric switch; 4-a control system; 5-sealing the fixing piece; 6-a discharge port; 7-drilling tool cluster; 8-rotating the connecting rod;
11-a truncated cone; 12-a screw rod; 21-a positive and negative rotation motor; 22-a threaded sleeve; 31-a transmitter; 32-a receiver; 41-a control unit; 42-a processing unit; 43-a counting unit; 44-a timing module;
51-sealing cushion blocks; 52-a flange; 53-fixed block; 71-a main drill; 72-secondary drill bit.
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.
As shown in fig. 1 and fig. 2, the present invention provides an automatic discharging mechanism for a calciner, comprising:
the material opening and closing actuating piece 1 is arranged on a material outlet of the calcining furnace and is used for moving towards a direction far away from or close to the material outlet under the driving of the rotary driving piece 2 so as to open or close the material outlet, and the rotary driving piece 2 is arranged at one side end part of the material opening and closing actuating piece 1;
the photoelectric switch 3 is arranged on the rotary driving piece 2, and the photoelectric switch 3 generates a pulse signal when the rotary driving piece 2 rotates for one circle;
The main purpose of the embodiment of the invention is to execute the opening and closing action of the discharging opening by arranging the material opening and closing executing part 1 at the discharging opening of the calcining furnace, regulate and control the forward and reverse rotation of the rotary driving part 2 by arranging the control system 4 so as to regulate and control the material opening and closing executing part 1 to move back and forth to open or close the discharging opening 6, and control the moving distance of the material opening and closing executing part 1 by combining the control system 4 with the photoelectric switch 3 arranged on the rotary driving part 2. Compared with the prior art, this embodiment realizes automatic switching bin outlet, and the high-efficient safety of low risk is arranged the material.
The implementation principle is mainly described as follows:
material mouth switching performing part 1 runs through the bin outlet installation, when material mouth switching performing part 1 does not move, material mouth switching performing part 1 blocks up the material mouth, rotary driving piece 2 is installed in one side of material mouth switching performing part 1, when rotary driving piece 2 drives material mouth switching performing part 1 and moves, material mouth switching performing part 1 moves to the bin outlet opposite side (with the different side of rotary driving piece), in order to open bin outlet 6, material mouth switching performing part 1 moves back the bin outlet, the bin outlet will be blocked again, realize automatic row of material.
In this embodiment, in a specific implementation, the counterclockwise rotation of the rotary driving member 2 is a reverse rotation, the instantaneous rotation of the needle is a forward rotation, the counterclockwise rotation of the rotary driving member 2 drives the material opening/closing actuating member 1 to move in a direction away from the material outlet 6, so as to open the material outlet 6, and the clockwise rotation of the rotary driving member 2 drives the material opening/closing actuating member 1 to move in a direction close to the material outlet 6, so as to close the material outlet 6.
In the moving process of the rotary driving piece 2 for rotationally driving the material opening and closing actuating piece 1, the photoelectric switch 3 synchronously rotates along with the rotary driving piece 2, and generates a pulse signal every time the photoelectric switch rotates for one circle, the control system 4 counts the pulse number of one-time action process, calculates the moving distance of the actuating piece 1 for opening and closing the material opening according to the pulse number, and if the moving distance reaches the preset distance, the action is finished. For example, the material opening and closing actuator 1 moves 20 cm to completely open the material outlet 6 or close the material outlet 6, the rotary driving element 2 is limited to rotate at a constant speed, and each time the rotary driving element rotates one circle, the material opening and closing actuator 1 moves 2 cm, the control system 4 receives one pulse signal, when the control system 4 counts the number of 10 received pulse signals, the material opening and closing actuator 1 is indicated to complete the action, and the control system 4 regulates and controls the rotary driving element 2 to stop running.
Specifically, the material opening and closing actuator 1 comprises a circular cone 11 and a screw rod 12, the circular cone 11 is installed at one end of the screw rod 12, and the other end of the screw rod 12 penetrates through an inner cavity of the calcining furnace and penetrates out of the calcining furnace to be connected to the rotary driving element 2; when the discharge port is in a closed state, the circular cone 11 blocks the discharge port, a partial cone on one side of a large cross section at the bottom of the circular cone 11 is arranged outside the discharge port, and a partial cone on one side of a small cross section at the top of the circular cone 11 is arranged inside the discharge port.
In detail, one side of the screw rod 12 penetrates through the side wall of the calcining furnace from inside to outside, and the screw rod 12 is connected with the outer side wall of the calcining furnace in a sealing way through a sealing fixing piece 5; the sealing fixing piece 5 comprises a sealing cushion block 51, a flange 52 and a fixing block 53 which are sequentially sleeved on the screw rod 12, the sealing cushion block 51 is tightly attached to the outer side wall of the calcining furnace, the flange is tightly attached to the sealing cushion block 51, and the fixing block 53 is arranged on the flange 52; the sealing cushion block 51 and the flange 52 are used for sealing the joint of the rod body of the screw rod 12 and the side wall of the calcining furnace, and the fixing block 53 is used for supporting and fixing the screw rod 12 so as to prevent the screw rod 12 from rotating along with the rotary driving piece 2.
Specifically, the rotary driving member 2 comprises a forward and reverse rotation motor 21 and a threaded sleeve 22, the forward and reverse rotation motor 21 is fixed, an output rotating shaft rotates at a constant speed, the threaded sleeve 22 is fixedly installed on the output rotating shaft of the forward and reverse rotation motor 21, and the threaded sleeve 22 rotates synchronously along with the output rotating shaft of the forward and reverse rotation motor 21; the screw rod 12 is provided with a threaded section, one end of the screw rod 12 is in threaded connection with the threaded sleeve 22, part of the rod body of the screw rod 12 is arranged inside the threaded sleeve 22, the threaded sleeve 22 rotates to drive the screw rod 12 to move linearly, and the transmission mode that the motor drives the threaded sleeve 22 to rotate and drives the screw rod 12 to move linearly is one of the transmission modes of the ball screw in the prior art, and the transmission principle is not described in detail herein.
When the forward and reverse rotation motor 21 drives the threaded sleeve 22 to rotate reversely, the threaded sleeve 22 drives the screw rod 12 to move linearly in a direction away from the discharge opening, the circular truncated cone 11 moves from the discharge opening 6 to the outside of the calcining furnace and simultaneously crushes a material block at the discharge opening 6, when a preset moving distance is reached, the control system 4 regulates and controls the forward and reverse rotation motor 21 to stop, the screw rod 12 stops moving, and the material is discharged from the discharge opening 6; after the material discharging is completed, the forward and reverse rotation motor 21 drives the threaded sleeve 22 to rotate forward, the threaded sleeve 22 drives the screw rod 12 to move linearly in the direction close to the material discharging opening, the circular cone 11 moves towards the direction of the material discharging opening 6, when the preset moving distance is reached, the control system 4 regulates and controls the forward and reverse rotation motor 21 to stop running, the screw rod 12 stops moving, and the circular cone 11 just completely blocks the material discharging opening, so that the material discharging opening is closed.
Specifically, the photoelectric switch 3 comprises a transmitter 31 and a receiver 32, wherein the transmitter 31 is installed on the outer side wall of the threaded sleeve 22 and synchronously rotates along with the threaded sleeve 22, the receiver 32 is arranged outside the threaded sleeve 22, and a receiving window of the receiver 32 is arranged opposite to a transmitting window of the transmitter 31; the receiver 32 is butted with the transmitter 31 once every time the transmitter 31 rotates, every time when the receiver 32 is butted, the receiver 32 generates a pulse signal and sends the pulse signal to the control system 4, and the photoelectric switch 3 represents the number of turns of the motor rotation drive in a pulse working mode and is used for calculating the moving distance of the screw rod 12.
The control system 4 comprises a control unit 41, a processing unit 42 and a counting unit 43, wherein the forward and reverse rotating motor 21 and the processing unit 42 are connected with the control unit 41, the photoelectric switch 3 is connected with the counting unit 43, and the processing unit 42 is connected with the counting unit 43.
The control unit 41 transmits a control instruction to start the forward and reverse rotation motor 21 to operate, the forward and reverse rotation motor 21 drives the threaded sleeve 22 to rotate so as to drive the screw rod 12 to move, each time the photoelectric switch 3 rotates along with the threaded sleeve 22, a pulse signal is sent to the counting unit 43, the counting unit 43 is used for counting the pulse number transmitted by the photoelectric switch 3 in the one-time moving process of the screw rod 12, the processing unit 42 converts the pulse number counted by the counting unit 43 into the moving distance of the screw rod 12, the moving distance of the screw rod 12 in the one-time moving process is compared with a set distance, when a preset value is reached, the processing unit 42 sends an action completion signal to the control unit 41, and the control unit 41 receives the action completion signal and sends a regulation and control instruction to control the forward and reverse rotation motor 21 to stop operating.
Because the material discharging needs a certain time, a time interval exists between the circular truncated cone 11 and the screw 12 to open and close the material outlet 6, namely the material discharging time of the material outlet 6. Therefore, the timing module is arranged in the embodiment to realize the time delay between the opening and closing actions of the discharge opening, so that the continuous automatic opening and closing of the discharge opening 6 for discharging is realized.
Specifically, the control system 4 further includes a timing module 44, the timing module 44 is connected to the control unit 41, and the timing module 44 is configured to count the discharging duration of the discharging opening, so as to achieve automatic discharging and stop discharging.
When the material frying in the calcining furnace is finished and the material discharging is needed, the control unit 41 starts the forward and reverse rotation motor 21 to rotate reversely, the forward and reverse rotation motor 21 drives the screw rod 12 to move through the threaded sleeve 22 to finish the action of opening the material discharging opening 6, when the control unit 41 receives an action completion signal of the opening state of the material discharging opening 6, the control unit 41 transmits a regulation and control instruction to regulate and control the reverse rotation motor 21 to stop rotating reversely, and regulates and controls the timing module 44 to time, when the timing time of the timing module 44 is the same as the set timing time, the control unit 41 regulates and controls the forward rotation motor 21 to rotate forwardly to drive the screw rod 12 to execute the action of closing the material discharging opening, and meanwhile, the control unit 41 regulates and controls the timing module 44 to reset.
The timing module timing time (discharging time length) is determined according to specific conditions, for example, if 3 minutes discharging time is needed, the timing module is timed for 3 minutes, timing is started when the opening action of the discharging opening 6 is completed, after 3 minutes discharging is completed, the control unit 41 controls the timing module to time and return to zero, the timing function is closed, the forward and reverse rotation motor 21 rotates forward, and the action of closing the discharging opening 6 is executed, so that continuous completion of automatic opening and discharging and automatic closing are realized.
In order to open the discharge opening 6 as soon as possible and improve the discharge efficiency, the present embodiment is provided with the drill cluster 7 at the end of the screw 12, as shown in fig. 3, the drill cluster 7 moves synchronously with the screw 12 and is used to break the material block formed at the outer end of the discharge opening.
The drill bit cluster 7 comprises a main drill bit 71 and an auxiliary drill bit 72, the main drill bit 71 is connected to the threaded sleeve 22 through a rotary connecting rod 8, the rotary connecting rod 8 is arranged inside the screw rod 12, one end of the rotary connecting rod 8 extends out of the screw rod 12, the rotary connecting rod 8 is connected to the threaded sleeve 22 through a bolt, the other end of the rotary connecting rod 8 is connected to the main drill bit 71, and the threaded sleeve 22 drives the main drill bit 71 to rotate through the rotary connecting rod 8.
In detail, the drill of the main drill 71 is arranged to be a triangular prism cut or break with an ice pick head shape, the length of the main drill 71 is longer than that of the auxiliary drill 72, so that the main drill 71 firstly contacts with a material block and firstly pierces the middle area as a burst, the auxiliary drill 72 is scattered to break the peripheral material block, in order to reduce the powder material accumulation and adhesion on the cutter body, the auxiliary drill 72 is arranged to be an S-shaped cutter, the cutter body of the auxiliary drill 72 is inclined towards the direction of the middle main drill 71, and the straight line distance between the two auxiliary drills 72 at the opposite positions of the outermost periphery is smaller than the diameter of the large cross section at the bottom of the cone 11, thereby reducing the powder material accumulation at the drill cluster 7.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to fall within the scope of the present application.
Claims (10)
1. An automatic discharging mechanism of a calcining furnace is characterized by comprising:
the material opening and closing actuating piece (1) is arranged on a material outlet of the calcining furnace and used for moving towards a direction far away from or close to the material outlet under the driving of the rotary driving piece (2) so as to open or close the material outlet, and the rotary driving piece (2) is arranged at one side end part of the material opening and closing actuating piece (1);
the material opening and closing actuating part (1) comprises a circular truncated cone (11) and a screw rod (12), the circular truncated cone (11) is installed at one end of the screw rod (12), and the other end of the screw rod (12) penetrates out of the calcining furnace from the inner cavity of the calcining furnace and is connected to the rotary driving part (2);
a drill bit cluster (7) is arranged at the end part of the screw rod (12), and the drill bit cluster (7) moves synchronously along with the screw rod (12) and is used for breaking a material block formed at the outer side end of the discharge port;
the photoelectric switch (3) is arranged on the rotary driving piece (2) and generates a pulse signal when the rotary driving piece (2) rotates for one circle;
the photoelectric switch (3) and the rotary driving piece (2) are respectively and electrically connected with the control system (4),
control system (4) output control command starts rotatory driving piece (2), rotatory driving piece (2) are passed through lead screw (12) drive round platform awl (11) are to keeping away from or being close to the direction of bin outlet removes, just photoelectric switch (3) are followed rotatory and every rotation circumference of rotatory driving piece (2) control system (4) send a pulse signal, control system (4) are received pulse signal and statistics pulse number and will the pulse number converts into the displacement distance of material mouth switching executive component (1), control system (4) will displacement distance compares and controls according to the contrast result with preset's distance rotatory driving piece (2) operation stops to regulation and control the operating condition of material mouth switching executive component (1).
2. Calciner automatic discharge mechanism according to claim 1 characterised in that the said discharge opening is blocked by the said truncated cone (11) when it is in the closed state, and the partial cone on the side of the large cross section at the bottom of the said truncated cone (11) is arranged outside the said discharge opening, and the partial cone on the side of the small cross section at the top of the said truncated cone (11) is arranged inside the said discharge opening.
3. The automatic discharging mechanism of the calcining furnace is characterized in that one side of the screw rod (12) penetrates through the side wall of the calcining furnace from inside to outside, the screw rod (12) is connected with the outer side wall of the calcining furnace in a sealing mode through a sealing fixing piece (5), the sealing fixing piece (5) comprises a sealing cushion block (51), a flange (52) and a fixing block (53) which are sequentially sleeved on the screw rod (12), the sealing cushion block (51) is tightly attached to the outer side wall of the calcining furnace, the flange is tightly attached to the sealing cushion block (51), and the fixing block (53) is arranged on the flange (52);
the sealing cushion block (51) and the flange (52) are used for sealing the joint of the rod body of the screw rod (12) and the side wall of the calcining furnace, and the fixing block (53) is used for supporting and fixing the screw rod (12) so as to prevent the screw rod (12) from rotating along with the rotary driving piece (2).
4. The automatic discharging mechanism of the calcining furnace according to claim 3, characterized in that the rotary driving member (2) comprises a forward and reverse rotation motor (21) and a threaded sleeve (22), the forward and reverse rotation motor (21) is fixed, an output rotating shaft rotates at a constant speed, the threaded sleeve (22) is fixedly installed on the output rotating shaft of the forward and reverse rotation motor (21), and the threaded sleeve (22) rotates synchronously along with the output rotating shaft of the forward and reverse rotation motor (21);
the screw rod (12) is provided with a threaded section, one end of the screw rod (12) is in threaded connection with the threaded sleeve (22), part of the rod body of the screw rod (12) is arranged inside the threaded sleeve (22), and the threaded sleeve (22) rotates to drive the screw rod (12) to move linearly.
5. The automatic discharging mechanism of the calcining furnace according to claim 4, characterized in that when the forward and reverse rotating motor (21) drives the threaded sleeve (22) to rotate reversely, the threaded sleeve (22) drives the screw rod (12) to move linearly in a direction away from the discharging opening, and the truncated cone (11) moves from the discharging opening to the outside of the calcining furnace to open the discharging opening for discharging; when the forward and reverse rotating motor (21) drives the threaded sleeve (22) to rotate forward, the threaded sleeve (22) drives the screw rod (12) to move linearly in the direction close to the discharge hole, and the circular truncated cone (11) moves from the outside of the calcining furnace to the direction of the discharge hole until the circular truncated cone (11) completely blocks the discharge hole so as to close the discharge hole.
6. Calciner automatic discharge mechanism according to claim 4 characterized in that the photoelectric switch (3) comprises an emitter (31) and a receiver (32), the emitter (31) is mounted on the outer side wall of the threaded sleeve (22) and rotates synchronously with the threaded sleeve (22), the receiver (32) is arranged outside the threaded sleeve (22) and the receiving window of the receiver (32) is arranged opposite to the emitting window of the emitter (31);
the receiver (32) is docked with the transmitter (31) once per revolution of the transmitter (31), each docking of the receiver (32) generating a pulse signal and sending the pulse signal to the control system (4).
7. Calciner automatic discharge mechanism according to claim 5 characterized in that the control system (4) comprises a control unit (41), a processing unit (42) and a counting unit (43), the counter-rotating motor (21) and the processing unit (42) are connected with the control unit (41), the photoelectric switch (3) is connected with the counting unit (43), the processing unit (42) is connected with the counting unit (43);
the control unit (41) transmits a control instruction to start the forward and reverse rotation motor (21) to operate, the forward and reverse rotation motor (21) drives the threaded sleeve (22) to rotate so as to drive the screw rod (12) to move, the photoelectric switch (3) sends a pulse signal to the counting unit (43) along with each rotation of the threaded sleeve (22), the counting unit (43) is used for counting the number of pulses transmitted by the photoelectric switch (3) in one movement process of the screw rod (12), the processing unit (42) converts the number of pulses counted by the counting unit (43) into the movement distance of the screw rod (12) and compares the movement distance of the screw rod (12) in one movement process with a set distance, and when a preset value is reached, the processing unit (42) sends an action completion signal to the control unit (41), and the control unit (41) receives the action completion signal and sends a regulation and control instruction to control the forward and reverse rotating motor (21) to stop running.
8. Calciner automatic discharge mechanism according to claim 7 characterized in that the control system (4) further comprises a timing module (44), the timing module (44) is connected with the control unit (41), the timing module (44) is used for counting the discharge time of the discharge opening, thereby realizing automatic discharge and stopping discharge;
the control unit (41) receives the action completion signal and conveys a regulation and control instruction to regulate and control the reverse rotation operation stop of the forward and reverse rotation motor (21), and regulates and control the timing of the timing module (44) at the same time, when the timing time of the timing module (44) is the same as the set timing duration, the control unit (41) regulates and controls the forward rotation operation of the forward and reverse rotation motor (21) so as to drive the screw rod (12) to execute the action of closing the discharge hole, and meanwhile, the control unit (41) regulates and controls the reset of the timing module (44).
9. Calcining furnace automatic discharging mechanism according to claim 4, characterized in that the drill bit cluster (7) comprises a main drill bit (71) and a secondary drill bit (72), the main drill bit (71) is connected to the threaded sleeve (22) through a rotary connecting rod (8), the rotary connecting rod (8) is arranged inside the screw rod (12), one end of the rotary connecting rod (8) extends out of the screw rod (12), the rotary connecting rod (8) is bolted to the threaded sleeve (22), the other end of the rotary connecting rod (8) is connected to the main drill bit (71), and the threaded sleeve (22) drives the main drill bit (71) to rotate through the rotary connecting rod (8).
10. The automatic discharging mechanism of the calcining furnace according to claim 9, characterized in that the drill head of the main drill (71) is arranged to be a triangular cut or break with an ice pick head shape, and the auxiliary drill (72) is arranged to be an S-shaped blade shape;
the body of the auxiliary drill (72) inclines towards the direction of the middle main drill (71), and the straight line distance between the two auxiliary drills (72) with the outermost peripheries at opposite positions is smaller than the diameter of the large cross section at the bottom of the circular truncated cone (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111385830.7A CN113932611B (en) | 2021-11-22 | 2021-11-22 | Automatic discharging mechanism of calcining furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111385830.7A CN113932611B (en) | 2021-11-22 | 2021-11-22 | Automatic discharging mechanism of calcining furnace |
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| CN113932611B true CN113932611B (en) | 2022-06-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209295690U (en) * | 2018-11-27 | 2019-08-23 | 沁阳市碳素有限公司 | Carbon calciner discharger |
| CN210526912U (en) * | 2019-07-10 | 2020-05-15 | 宁波索拉科技有限公司 | Quantitative packaging device of pulse laser |
| CN210719805U (en) * | 2019-10-11 | 2020-06-09 | 无锡大东机械制造有限公司 | Actuating mechanism for pneumatically-controlled rotary telescopic sampler |
| CN211401801U (en) * | 2019-10-22 | 2020-09-01 | 滁州市富邦商品混凝土有限公司 | Powder sampling equipment in concrete production |
| CN212177916U (en) * | 2020-05-15 | 2020-12-18 | 潍坊林凯机械有限公司 | Electric discharging valve |
-
2021
- 2021-11-22 CN CN202111385830.7A patent/CN113932611B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209295690U (en) * | 2018-11-27 | 2019-08-23 | 沁阳市碳素有限公司 | Carbon calciner discharger |
| CN210526912U (en) * | 2019-07-10 | 2020-05-15 | 宁波索拉科技有限公司 | Quantitative packaging device of pulse laser |
| CN210719805U (en) * | 2019-10-11 | 2020-06-09 | 无锡大东机械制造有限公司 | Actuating mechanism for pneumatically-controlled rotary telescopic sampler |
| CN211401801U (en) * | 2019-10-22 | 2020-09-01 | 滁州市富邦商品混凝土有限公司 | Powder sampling equipment in concrete production |
| CN212177916U (en) * | 2020-05-15 | 2020-12-18 | 潍坊林凯机械有限公司 | Electric discharging valve |
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| CN113932611A (en) | 2022-01-14 |
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