CN115072406B - Powder unloader with detect function - Google Patents
Powder unloader with detect function Download PDFInfo
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- CN115072406B CN115072406B CN202210774368.8A CN202210774368A CN115072406B CN 115072406 B CN115072406 B CN 115072406B CN 202210774368 A CN202210774368 A CN 202210774368A CN 115072406 B CN115072406 B CN 115072406B
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- dry powder
- bottom plate
- tank
- weighing
- dust
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- 239000000843 powder Substances 0.000 title claims abstract description 112
- 230000007246 mechanism Effects 0.000 claims abstract description 64
- 238000005303 weighing Methods 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 230000007306 turnover Effects 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000012546 transfer Methods 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Classifications
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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
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
-
- 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
-
- 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
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/14—Pulverising loaded or unloaded materials
-
- 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
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
Abstract
The invention discloses a powder blanking device with a detection function, which comprises a receiving mechanism, a weighing assembly, a turnover mechanism and a control management system, wherein the turnover mechanism is used for driving the receiving mechanism to rotate around one side edge of the turnover mechanism so as to transfer received dry powder; the material receiving mechanism comprises a tank and a dust-proof folding component, the movable end of the dust-proof folding component is connected with the dry powder discharge port, the dust-proof folding component is in an unfolding state when the tank rotates to a horizontal position so as to form a dry powder shielding effect on the dry powder falling into the tank, and the dust-proof folding component is in a folding state when the tank rotates to a vertical position so as to form a side port for transferring dry powder at the end part of the tank; the invention predicts in advance or detects the unstable blanking condition in time.
Description
Technical Field
The invention relates to the technical field of blanking detection, in particular to a powder blanking device with a detection function.
Background
In the gypsum board production process, the metering reamer is required to count the added dry powder, when the metering reamer is blocked and broken, the added dry powder can cause uneven blanking, less blanking and no blanking, so that the quality problem of the board is caused, and therefore, the powder blanking device with the weight detection function is required to predict and timely determine the blanking condition of the dry material in advance so as to carry out alarm operation, thereby reducing the quality problem of the board and lowering the production cost.
The existing powder blanking device directly moves powder to a mixing area through a conveying belt, a plurality of weight detection points are arranged on the conveying belt to realize detection work of the powder, and because the weight detection points of the conveying belt are mostly applied to a pressure sensor, the installation is difficult, the abrasion between the conveying belt and the pressure sensor is easy to occur, the service life is long, and the conveying mode of the conveying belt leads to low detection precision of the pressure sensor.
Disclosure of Invention
The invention aims to provide a powder blanking device with a detection function, which solves the technical problems that in the prior art, a pressure sensor is mounted on a conveying belt, abrasion between the conveying belt and the pressure sensor is easy to occur, the service life is long, and the detection precision of the pressure sensor is low due to the mounting mode of the conveying belt.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
powder unloader with detect function includes:
the receiving mechanism is arranged below the dry powder discharging hole and is used for receiving dry powder which runs at fixed time;
the weighing assembly is arranged in the bottom plate of the receiving mechanism and is used for measuring the weight of the dry powder;
the turnover mechanism is arranged on the side edge of the material receiving mechanism and is used for driving the material receiving mechanism to rotate around one side edge of the material receiving mechanism so as to transfer the received dry powder;
the control management system is respectively connected with the weighing assembly and the turnover mechanism, alarms according to the weight change relation of the dry powder of the weighing assembly in the timing receiving time, and regulates and controls the turnover mechanism to work when the timing receiving time is over so as to transfer the dry powder received by the receiving mechanism;
the receiving mechanism comprises a tank and a dust-proof folding component arranged on the side of a pouring hole of the tank, wherein the movable end of the dust-proof folding component is connected with a dry powder discharging hole, the dust-proof folding component is in an unfolding state when the tank rotates to a horizontal position so as to form a dry powder shielding effect for falling into the tank, and the dust-proof folding component is in a folding state when the tank rotates to a vertical position so as to form a side hole for transferring dry powder at the end part of the tank.
As a preferred scheme of the invention, the dust-proof folding assembly comprises at least two U-shaped brackets arranged between two parallel side walls of the tank and dust-proof cloth arranged on the U-shaped brackets, wherein the maximum included angle of the fully unfolded U-shaped brackets exceeds an angle;
one of the U-shaped brackets is fixedly arranged on the wall of the tank through a plug rod, the U-shaped brackets are vertically arranged with the bottom plate of the tank, the rest U-shaped brackets are movably sleeved on the plug rod, and the U-shaped brackets can movably rotate around the plug rod;
the U-shaped support at the most edge is connected with the dry powder discharge port through a pull rope, and the U-shaped support rotates to the position of the largest included angle with the vertically installed U-shaped support when the tank rotates to the horizontal position, and rotates to the position of the smallest included angle with the vertically installed U-shaped support when the tank rotates to the vertical position.
As a preferable scheme of the invention, the pool tank comprises a bearing horizontal frame and a bottom plate movably arranged on the bearing horizontal frame, wherein three sides of the bottom plate are fixedly provided with baffle plates, and one side of the pool tank forms a pouring opening;
the side wall of bottom plate is equipped with the articulated lever in the tip that corresponds the pouring hole, the bottom plate passes through articulated lever movable mounting bear on the horizontal frame, the bottom plate is in under tilting mechanism's drive pass through articulated lever is around bear the horizontal frame upset.
As a preferable scheme of the invention, the length of the bottom plate is the same as the distance between the bottom plate and the dry powder discharging hole, the dry powder discharging hole is positioned right above the bottom plate, and the baffle plates on three sides of the bottom plate and the dust-proof folding assembly form an enclosure ring for dust prevention.
As a preferable scheme of the invention, the turnover mechanism comprises a vertical frame arranged on the side edge of the bearing horizontal frame and a servo motor arranged on the vertical frame, wherein a track clamping plate is arranged on an output shaft of the servo motor, and a movable shaft rod arranged in the track clamping plate is arranged on the side edge of the bottom plate;
the end of the vertical frame is provided with a pushing cylinder connected with the servo motor, the pushing cylinder pushes the servo motor to linearly move along the vertical frame, and the bottom plate turns around the bearing horizontal frame under the combined action of the pushing cylinder and the servo motor.
As a preferable scheme of the invention, the movable shaft lever is arranged at the center of the side edge of the bottom plate, the upper end and the lower end of the movable shaft lever are respectively provided with a blocking block, the side surfaces of the track clamping plates, which face the bottom plate, are respectively provided with a limiting clamping block, the blocking blocks at the upper end of the movable shaft lever are mutually blocked with the upper surfaces of the limiting clamping blocks when the bottom plate rotates to a horizontal position, and the blocking blocks at the lower end of the movable shaft lever are mutually blocked with the lower surfaces of the limiting clamping blocks when the bottom plate rotates to a vertical position.
As a preferable scheme of the invention, the upper end of the vertical frame is provided with a sinking groove, the lower end face of the servo motor is provided with a sliding plate, the sliding plate is embedded in the sinking groove, and the servo motor is limited to move along the sinking groove through the sliding plate under the action of the pushing cylinder.
As a preferred aspect of the present invention, the weighing assembly includes a plurality of pressure sensors uniformly distributed on the base plate, the pressure sensors being used to measure the weight of the received dry powder in real time.
As a preferred scheme of the invention, the control management system comprises a data processing unit, a timing unit, a data receiving unit and an alarm unit, wherein the timing unit is used for counting the weighing period of single completion of weighing work, the data receiving unit receives the output signal of the pressure sensor once every same time interval, and the data processing unit establishes a curve relationship between a time point and a pressure value in each weighing period;
the data processing unit regulates and controls the alarm unit to work according to the curve relation between the time point and the pressure value, and regulates and controls the turnover mechanism to work to transfer dry powder when a weighing period is completed.
As a preferable scheme of the invention, after the data processing unit circularly completes a plurality of weighing periods, the standard weight corresponding to a plurality of time points in one weighing period is predicted, the data processing unit compares the standard importance of each time point with the pressure value of actual weighing, and the data processing unit regulates and controls the alarm unit to work according to the comparison result.
Compared with the prior art, the invention has the following beneficial effects:
the invention realizes continuous powder blanking stability detection, can predict in advance or timely detect the unstable blanking condition, reduces the quality problem of the plate and reduces the production cost.
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 an overall sectional side view of a powder blanking device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a receiving mechanism in a horizontal state according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a material receiving mechanism in an inclined state according to an embodiment of the present invention;
FIG. 4 is a block diagram of a powder blanking detection system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a turnover mechanism drive according to an embodiment of the present invention.
Reference numerals in the drawings are respectively as follows:
1-a receiving mechanism; 2-a weighing assembly; 3-a turnover mechanism; 4-controlling the management system; 5-a dry powder discharging hole;
11-a tank; 12-a dust fold-proof assembly;
111-carrying a horizontal rack; 112-a bottom plate; 113-a baffle; 114-a hinge rod;
121-U-shaped support; 122-dustproof cloth; 123-inserting a rod; 124-pull rope;
21-a pressure sensor;
31-vertical frames; 32-a servo motor; 33-track clamping plates; 34-a movable shaft; 35-pushing air cylinder; 36-a stop block; 37-limiting clamping blocks;
41-a data processing unit; 42-a timing unit; 43-a data receiving unit; 44-alarm unit.
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 powder blanking device with a detection function, in the gypsum board production process, a metering reamer is needed to count the amount of added dry powder, when the metering reamer is blocked and broken, the added dry powder can cause the conditions of uneven blanking, less blanking and no blanking, so that the quality problem of a board is caused, and therefore, the powder blanking device with the weight detection function is needed to predict and timely determine the blanking condition of the dry material in advance, alarm operation is carried out, the quality problem of the board is reduced, and the production cost is reduced.
The powder unloader specifically includes receiving mechanism 1, weighing assembly 2, tilting mechanism 3 and control management system 4, wherein:
the receiving mechanism 1 is arranged below the dry powder discharging hole 5 and is used for receiving dry powder running at fixed time, and the dry powder discharging hole 5 is used for crushing auxiliary dry powder by using a metering reamer.
The weighing component 2 is arranged inside the bottom plate 112 of the material receiving mechanism 1, the weighing component 2 is used for measuring the weight of the dry powder, and the dry powder continuously falls onto the material receiving mechanism 1 from the dry powder discharging hole 5, so that the weighing component 2 can timely count the total weight of the dry powder at the same time intervals and the weight difference between two adjacent detection time points.
The tilting mechanism 3 sets up the side at receiving mechanism 1, and tilting mechanism 3 is used for driving receiving mechanism 1 around its one side rotation to transfer the dry powder that receives, in order to realize continuous receiving and unloading stability judgement, need in time transfer receiving mechanism 1, accomplish cyclic periodic dry powder weight detection work.
The control management system 4 is respectively connected with the weighing assembly 2 and the turnover mechanism 3, the control management system 4 alarms according to the weight change relation of the dry powder of the weighing assembly 2 in the timing receiving time, and the control management system 4 regulates and controls the turnover mechanism 3 to work when the timing receiving time is over so as to transfer the dry powder received by the receiving mechanism 1.
The weighing assembly 2 can count the total weight of the dry powder at equal intervals in time in a timing manner, and the weight difference between two adjacent detection time points, when the linear relation does not exist between the detection time points and the total weight of the dry powder, the dry powder is not discharged in time, the reamer is required to alarm, the staff is required to be reminded to overhaul, and when the linear relation exists between the detection time points and the total weight of the dry powder, the reamer is considered to work normally.
And the turnover mechanism 3 transfers the dry powder received by the receiving mechanism 1 after completing one weighing period so as to carry out dry powder blanking detection work of the next period.
Therefore, the continuous powder blanking stability detection is realized in the embodiment, the unstable blanking condition can be predicted in advance or timely detected, the quality problem of the plate is reduced, and the production cost is reduced.
Wherein, as shown in fig. 2, 3 and 5, the receiving mechanism 1 includes a tank 11, and a dust-proof folding component 12 disposed at the pouring port side of the tank 11, wherein the movable end of the dust-proof folding component 12 is connected with the dry powder discharge port 5, the dust-proof folding component 12 is in an unfolding state when the tank 11 rotates to a horizontal position, so as to form a dry powder shielding effect on falling into the tank 11, and the dust-proof folding component 12 is in a folding state when the tank 11 rotates to a vertical position, so as to form a side port for transferring dry powder at the end part of the tank 11.
The dust-preventing folding assembly 12 includes at least two U-shaped brackets 121 installed between two parallel side walls of the tank 11, and a dust cloth 122 provided on the U-shaped brackets 121, the maximum angle at which the U-shaped brackets 121 are fully unfolded exceeding 90 deg..
One of them is a U-shaped support 121 whose end is fixedly mounted on the wall of the tank 11 through a plunger 123, and the U-shaped support 121 is mounted perpendicular to the bottom plate 112 of the tank 11, the end of the remaining U-shaped support 121 is movably sleeved on the plunger 123, and the U-shaped support 121 can be movably rotated around the plunger 123.
The U-shaped bracket 121 at the most edge is connected with the dry powder discharging port 5 through a pull rope 124, and the U-shaped bracket 121 rotates to the position of the largest included angle with the U-shaped bracket 121 which is vertically installed when the tank 11 rotates to the horizontal position, and the U-shaped bracket 121 rotates to the position of the smallest included angle with the U-shaped bracket 121 which is vertically installed when the tank 11 rotates to the vertical position.
The tank 11 comprises a bearing horizontal frame 111 and a bottom plate 112 movably arranged on the bearing horizontal frame 111, wherein a baffle 113 is fixedly arranged on three sides of the bottom plate 112, and a material pouring opening is formed on one side of the tank 11.
The side wall of the bottom plate 112 is provided with a hinge rod 114 at the end corresponding to the pouring opening, the bottom plate 112 is movably arranged on the bearing horizontal frame 111 through the hinge rod 114, and the bottom plate 112 is driven by the turnover mechanism 3 to turn around the bearing horizontal frame 111 through the hinge rod 114.
The length of the bottom plate 112 is the same as the distance between the bottom plate 112 and the dry powder discharging hole 5, and the dry powder discharging hole 5 is positioned right above the bottom plate 112, and the baffles 113 on three sides of the bottom plate 112 and the dust-proof folding assembly 12 form an enclosure ring for dust prevention.
The weighing assembly 2 comprises a plurality of pressure sensors 21 uniformly distributed on the base plate 112, the pressure sensors 21 being used for measuring the weight of the received dry powder in real time.
In order to improve the accuracy of the dry powder weight measurement of the receiving mechanism 1, the receiving mechanism 1 is composed of a bottom plate 112 and baffles 113 surrounding three sides of the bottom plate 112, the baffles 113 can play a role in dust prevention and dry powder blowing off prevention, and the dust folding prevention component 12 is also one of the structures for dust prevention.
When the bottom plate 112 is in the horizontal position, the dust-proof folding assembly 12 forms an enclosure ring with the baffle 113 for preventing flying dust when being unfolded, and when the bottom plate 112 is driven by the turnover mechanism 3 to gradually turn to the vertical state, the dust-proof folding assembly 12 is folded under the action of the pull rope 124, the end part of the tank 11 forms a side opening for transferring dry powder, and the dry powder on the bottom plate 112 is transferred from the side opening.
It should be noted that, in this embodiment, the material receiving mechanism 1 is configured to be reversible, and its main purpose is: since this embodiment is mainly used for determining whether the dry powder discharging section corresponding to the reamer malfunctions by detecting the dry powder discharging weight in a fixed time interval, along with the accumulation of the dry powder, the dry powder eventually exceeds the loading range of the tank 11, and thus, the dry powder overflows from the tank 11 and finally affects the determination of the dry powder discharging weight in a unit time, so that the dry powder transfer in one weighing period needs to be completed to determine the next weighing period.
Thus, as shown in fig. 4, the specific control management system 4 includes a data processing unit 41, a timing unit 42, a data receiving unit 43, and an alarm unit 44, where the timing unit 42 is used to count weighing periods in which weighing is completed once, and the data receiving unit 43 receives the output signal of the pressure sensor 21 once every same time interval, and the data processing unit 41 establishes a curve relationship between a time point and a pressure value in each weighing period.
The data processing unit 41 regulates and controls the alarm unit 44 to work according to the curve relation between the time point and the pressure value, and the data processing unit 41 regulates and controls the turnover mechanism 3 to work to carry out dry powder transfer processing when one weighing period is completed.
When the weighing operation is just started, a single weighing period is determined according to the loading capacity of the tank 11 to the dry powder and the small powder speed of the dry powder, the timing unit 42 starts timing when the tank 11 is reset and the pressure sensor 21 detects that the dry powder falls, in the weighing period, the data receiving unit 43 receives the output signal of the pressure sensor 21 once at the same time intervals, and determines the weight of the dry powder discharged by the reamer at the same time intervals, so that the curve relationship between different time points and pressure values is determined in the weighing period.
It should be noted that, since the dry powder on the reamer is continuously dropped, the pressure sensor 21 should immediately detect the drop of the dry powder when the sump 11 is reset, the timing unit 42 starts timing at this time, and if the timing unit 42 exceeds the set time and the timing is not started, the reamer is considered to be faulty, and the alarm unit 44 starts the alarm operation.
When the weight of the reamer is in linear relation with the time point in the blanking process within the set time interval, after completing one weighing period, the data processing unit 41 regulates and controls the turnover mechanism 3 to work for dry powder transfer treatment when completing one weighing period, and when the turnover mechanism 3 is reset, the next weighing period is performed.
Meanwhile, in order to further improve the accuracy of powder blanking judgment of the data processing unit 41 in the dry powder stable blanking stage, the present embodiment determines a functional relationship between a time point and a pressure value in a weighing period based on the weighing period of the completion of the cycle, that is, after the data processing unit 41 completes a plurality of weighing periods in a cycle, predicts standard weights corresponding to a plurality of time points in one weighing period, the data processing unit 41 compares the standard weights at each time point with the pressure value of actual weighing, and the data processing unit 41 regulates and controls the alarm unit 44 to work according to the comparison result.
When the actual weighed pressure value determined by the functional relation of the plurality of time points is far smaller than the standard weight, the quality problem of the reamer is caused, the reamer blocking and the reamer breakage fault are caused, and the method is particularly required to be applied to the condition that powder supply is stable, the stability of blanking is directly determined according to the standard weight and the actual weight difference of the plurality of time points in one weighing period, and compared with the curve relation between the time points and the pressure value in each weighing period, the method is more accurate, because the condition that the linear relation between the time points and the pressure values in the weighing period is also possible in the condition that the reamer blocking occurs is also caused, but the total blanking quantity is reduced. Therefore, the powder blanking weighing detection stability and accuracy are improved.
It should be noted that, as shown in fig. 2 and 3 to 5, the turnover mechanism 3 includes a vertical frame 31 disposed on a side of the horizontal frame 111, and a servo motor 32 disposed on the vertical frame 31, a rail clamping plate 33 is mounted on an output shaft of the servo motor 32, and a movable shaft 34 mounted inside the rail clamping plate 33 is disposed on a side of the bottom plate 112.
The end of the vertical frame 31 is provided with a pushing cylinder 35 connected with the servo motor 32, the pushing cylinder 35 pushes the servo motor 32 to linearly move along the vertical frame 31, and the bottom plate 112 turns around the bearing horizontal frame 111 under the combined action of the pushing cylinder 35 and the servo motor 32. The upper end of the vertical frame 31 is provided with a sinking groove, the lower end face of the servo motor 32 is provided with a sliding plate, the sliding plate is embedded in the sinking groove, and the servo motor 32 is limited to move along the sinking groove through the sliding plate under the action of the pushing air cylinder 35.
The movable shaft rod 34 is installed at the side center position of the bottom plate 112, the upper end and the lower end of the movable shaft rod 34 are respectively provided with a blocking block 36, the side surfaces of the track clamping plates 33, which face the bottom plate 112, are respectively provided with a limiting clamping block 37, the blocking blocks 36 at the upper end of the movable shaft rod 34 are mutually blocked with the upper surfaces of the limiting clamping blocks 37 when the bottom plate 112 rotates to the horizontal position, and the blocking blocks 36 at the lower end of the movable shaft rod 34 are mutually blocked with the lower surfaces of the limiting clamping blocks 37 when the bottom plate 112 rotates to the vertical position.
The pushing cylinder 35 and the servo motor 32 work simultaneously, and the specific working principle of the turnover mechanism 3 is as follows:
when the pushing cylinder 35 pushes the servo motor 32 to move along the sinking groove through the sliding plate in a limiting mode, the servo motor 32 is started simultaneously, the track clamping plate 33 is driven to rotate, the movable shaft rod 34 and the track clamping plate 33 synchronously rotate and slide in the track clamping plate 33, at the moment, the bottom plate 112 overturns around the bearing horizontal frame 111 under the combined action of the pushing cylinder 35 and the servo motor 32 until the bottom plate is overturned to a vertical state, at the moment, the movable shaft rod 34 and the track clamping plate 33 rotate by 90 degrees, and the resisting block 36 at the lower end of the movable shaft rod 34 is mutually clamped with the limiting clamping block 37 to realize limiting when the bottom plate 112 rotates to a vertical position.
When the pushing cylinder 35 pushes the servo motor 32 to move and reset along the sinking groove through the sliding plate, the servo motor 32 is reversely started to work to drive the track clamping plate 33 to reversely rotate, the movable shaft rod 34 and the track clamping plate 33 synchronously reversely rotate and slide in the track clamping plate 33, at the moment, the bottom plate 112 overturns around the bearing horizontal frame 111 under the combined action of the pushing cylinder 35 and the servo motor 32 until the bottom plate is overturned to a horizontal state, at the moment, the movable shaft rod 34 and the track clamping plate 33 reversely rotate by 90 degrees, and the resisting block 36 at the upper end of the movable shaft rod 34 is mutually clamped with the limiting clamping block 37 to realize limiting when the bottom plate 112 rotates to a vertical position.
According to the embodiment, continuous powder blanking stability detection is realized, the condition of unstable blanking can be predicted in advance or timely detected, the quality problem of the plate is reduced, and the production cost is reduced.
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 (7)
1. Powder unloader with detect function, its characterized in that includes:
the receiving mechanism (1) is arranged below the dry powder discharging hole (5) and is used for receiving dry powder which runs at fixed time;
the weighing assembly (2) is arranged in the bottom plate (112) of the receiving mechanism (1), and the weighing assembly (2) is used for measuring the weight of the dry powder;
the turnover mechanism (3) is arranged on the side edge of the material receiving mechanism (1), and the turnover mechanism (3) is used for driving the material receiving mechanism (1) to rotate around one side edge of the material receiving mechanism so as to transfer the received dry powder;
the control management system (4) is respectively connected with the weighing assembly (2) and the turnover mechanism (3), the control management system (4) alarms according to the weight change relation of the dry powder of the weighing assembly (2) in the timing receiving time, and the control management system (4) regulates and controls the turnover mechanism (3) to work when the timing receiving time is finished so as to transfer the dry powder received by the receiving mechanism (1);
the receiving mechanism (1) comprises a tank (11) and a dust-proof folding component (12) arranged on the pouring hole side of the tank (11), wherein the movable end of the dust-proof folding component (12) is connected with the dry powder discharging hole (5), the dust-proof folding component (12) is unfolded when the tank (11) rotates to a horizontal position so as to form a dry powder shielding effect on the tank (11), and the dust-proof folding component (12) is folded when the tank (11) rotates to a vertical position so as to form a side hole for transferring dry powder at the end part of the tank (11);
the pool tank (11) comprises a bearing horizontal frame (111) and a bottom plate (112) movably arranged on the bearing horizontal frame (111), wherein a baffle (113) is fixedly arranged on three sides of the bottom plate (112), and a material pouring opening is formed on one side of the pool tank (11);
the turnover mechanism (3) comprises a vertical frame (31) arranged on the side edge of the bearing horizontal frame (111) and a servo motor (32) arranged on the vertical frame (31), a track clamping plate (33) is arranged on an output shaft of the servo motor (32), and a movable shaft rod (34) arranged inside the track clamping plate (33) is arranged on the side edge of the bottom plate (112);
a pushing cylinder (35) connected with the servo motor (32) is arranged at the end part of the vertical frame (31), the pushing cylinder (35) pushes the servo motor (32) to linearly move along the vertical frame (31), and the bottom plate (112) turns around the bearing horizontal frame (111) under the combined action of the pushing cylinder (35) and the servo motor (32);
the movable shaft rod (34) is arranged at the center of the side edge of the bottom plate (112), the upper end and the lower end of the movable shaft rod (34) are respectively provided with a blocking block (36), the side surfaces of the track clamping plates (33) facing the bottom plate (112) are respectively provided with a limit clamping block (37), the blocking blocks (36) at the upper end of the movable shaft rod (34) are mutually blocked with the upper surfaces of the limit clamping blocks (37) when the bottom plate (112) rotates to a horizontal position, and the blocking blocks (36) at the lower end of the movable shaft rod (34) are mutually blocked with the lower surfaces of the limit clamping blocks (37) when the bottom plate (112) rotates to a vertical position;
the dust-proof folding assembly (12) comprises at least two U-shaped brackets (121) arranged between two parallel side walls of the tank (11), and dust-proof cloth (122) arranged on the U-shaped brackets (121), wherein the maximum included angle of the U-shaped brackets (121) which are fully unfolded exceeds 90 degrees;
one U-shaped support (121) is fixedly arranged on the wall of the tank (11) through a plug rod (123), the U-shaped support (121) is vertically arranged with the bottom plate (112) of the tank (11), the rest U-shaped support (121) is movably sleeved on the plug rod (123), and the U-shaped support (121) can movably rotate around the plug rod (123);
the U-shaped support (121) at the most edge is connected with the dry powder discharge hole (5) through a pull rope (124), the U-shaped support (121) rotates to the position of the largest included angle with the vertically installed U-shaped support (121) when the tank (11) rotates to the horizontal position, and the U-shaped support (121) rotates to the position of the smallest included angle with the vertically installed U-shaped support (121) when the tank (11) rotates to the vertical position.
2. A powder blanking device with a detection function as set forth in claim 1, wherein,
the side wall of the bottom plate (112) is provided with a hinging rod (114) at the end part corresponding to the pouring opening, the bottom plate (112) is movably mounted on the bearing horizontal frame (111) through the hinging rod (114), and the bottom plate (112) is driven by the turnover mechanism (3) to turn around the bearing horizontal frame (111) through the hinging rod (114).
3. A powder blanking device with a detection function as set forth in claim 2, wherein,
the length of the bottom plate (112) is the same as the distance between the bottom plate (112) and the dry powder discharging hole (5), the dry powder discharging hole (5) is positioned right above the bottom plate (112), and the baffle plates (113) on three side edges of the bottom plate (112) and the dust-proof folding assembly (12) form an enclosure ring for dust prevention.
4. A powder blanking device with a detection function as set forth in claim 1, wherein,
the upper end of the vertical frame (31) is provided with a sinking groove, the lower end face of the servo motor (32) is provided with a sliding plate, the sliding plate is embedded in the sinking groove, and the servo motor (32) is in limited movement along the sinking groove through the sliding plate under the action of the pushing cylinder (35).
5. A powder blanking device with a detection function as set forth in claim 2, wherein,
the weighing assembly (2) comprises a plurality of pressure sensors (21) uniformly distributed on the bottom plate (112), wherein the pressure sensors (21) are used for measuring the weight of the received dry powder in real time.
6. A powder blanking device with a detection function as set forth in claim 5, wherein,
the control management system (4) comprises a data processing unit (41), a timing unit (42), a data receiving unit (43) and an alarm unit (44), wherein the timing unit (42) is used for counting weighing periods for completing weighing operation once, the data receiving unit (43) receives output signals of the pressure sensor (21) once every same time interval, and the data processing unit (41) establishes a curve relationship between time points and pressure values in each weighing period;
the data processing unit (41) regulates and controls the alarm unit (44) to work according to the curve relation between the time point and the pressure value, and the data processing unit (41) regulates and controls the turnover mechanism (3) to work to transfer dry powder when one weighing period is completed.
7. A powder blanking device with a detection function as set forth in claim 6, wherein,
after the data processing unit (41) circularly finishes a plurality of weighing periods, predicting standard weights corresponding to a plurality of time points in one weighing period, comparing the standard importance of each time point with the actual weighing pressure value by the data processing unit (41), and regulating and controlling the alarm unit (44) to work by the data processing unit (41) according to the comparison result.
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| CN202210774368.8A CN115072406B (en) | 2022-07-01 | 2022-07-01 | Powder unloader with detect function |
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