CN112762690A - Mesh belt type dryer with chain breakage protection device and chain breakage protection method - Google Patents
Mesh belt type dryer with chain breakage protection device and chain breakage protection method Download PDFInfo
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- CN112762690A CN112762690A CN202110155103.5A CN202110155103A CN112762690A CN 112762690 A CN112762690 A CN 112762690A CN 202110155103 A CN202110155103 A CN 202110155103A CN 112762690 A CN112762690 A CN 112762690A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 190
- 238000001035 drying Methods 0.000 claims abstract description 44
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 238000000429 assembly Methods 0.000 claims abstract description 21
- 230000000712 assembly Effects 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 31
- 238000003860 storage Methods 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 20
- 238000012546 transfer Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005457 optimization Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/009—Alarm systems; Safety sytems, e.g. preventing fire and explosions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a mesh belt type dryer with a chain breakage protection device, which comprises a feeding assembly, a drying box body, a heating assembly, a breakage protection device and a plurality of mesh belt type material conveying assemblies, wherein the drying box body is provided with a feeding hole and a discharging hole; the plurality of mesh belt type material conveying assemblies are positioned in the drying box body and are staggered from top to bottom in sequence, and one mesh belt type material conveying assembly positioned at the lowest part extends out of the discharge hole; the material on the previous mesh belt type material conveying component can fall onto the next mesh belt type material conveying component at the tail end of the previous mesh belt type material conveying component; the discharge end of the feeding assembly is positioned above the feed end of the uppermost mesh belt type material conveying assembly. In addition, the invention also discloses a chain breakage protection method of the mesh belt type dryer; the invention automatically controls the equipment to stop after the chain is broken, thereby achieving the purpose of protecting the equipment.
Description
Technical Field
The invention relates to the technical field of material drying equipment, in particular to a mesh belt type dryer with a chain breakage protection device; in addition, the invention also relates to a chain breakage protection method of the mesh belt type dryer.
Background
The mesh belt type dryer is drying equipment for batch and continuous production, and the main heating modes comprise electric heating, steam heating and hot air heating.
The multilayer mesh belt type dryer drives materials to move through the movement of the transmission chain and the conveying chain, so that the materials are dried. The drying-machine outside needs to be sealed, guarantees inside temperature, so drive chain and conveyor chain all are inside equipment, can't see the operational aspect of chain from the outside when the drying-machine during operation, need open the door plant and just can observe. Once the chain breaks, the front end material stop motion, the rear end material is constantly supplied with, will cause the material to pile up, extrudees, makes the chain break away from original orbit, takes place to drag the extrusion with other layer rail chains, and then causes bigger damage to equipment, and the equipment moves for a long time under the broken chain condition, and the damage that causes is more serious to equipment. The mesh belt type dryer belongs to large-scale drying equipment, is large in maintenance difficulty and high in maintenance cost, does not have a chain breakage protection device on the existing drying equipment, and has certain risks in equipment operation.
Disclosure of Invention
The invention aims to provide a mesh belt type dryer with a chain breakage protection device, which can automatically control equipment to stop after a chain is broken, so as to protect the equipment; in addition, the invention also provides a chain breakage protection method of the mesh belt type dryer.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a mesh belt type dryer with a chain breakage protection device comprises a feeding assembly, a drying box body, a heating assembly, a breakage protection device and a plurality of mesh belt type material conveying assemblies, wherein the drying box body is provided with a feeding hole and a discharging hole, and the heating assembly and the plurality of mesh belt type material conveying assemblies are arranged in the drying box body;
the plurality of mesh belt type material conveying assemblies are positioned in the drying box body and are staggered from top to bottom in sequence, and one mesh belt type material conveying assembly positioned at the lowest part extends out of the discharge hole; the material on the previous mesh belt type material conveying component can fall onto the next mesh belt type material conveying component at the tail end of the previous mesh belt type material conveying component; the discharge end of the feeding assembly is positioned above the feed end of the uppermost mesh belt type material conveying assembly;
the chain breakage protection device comprises a PLC and a plurality of photoelectric sensors, the photoelectric sensors are connected with the PLC, and the feeding assembly, the heating assembly and the mesh belt type material conveying assembly are connected with the PLC.
The mesh belt type material conveying assembly comprises a driving chain wheel, a driven chain wheel and a conveying chain, the driving chain wheel and the driven chain wheel are installed in the drying box body, the driving chain wheel is connected with the driven chain wheel through the conveying chain, and the driving chain wheel is connected with a driving motor;
the conveying chains are used for conveying materials, and the mesh belt type material conveying assemblies in the same movement direction are connected through the transmission chains; the driving motor is connected with the PLC;
the photoelectric sensor comprises a first photoelectric sensor and a second photoelectric sensor, the first photoelectric sensor is used for monitoring the conveying chain, and the second photoelectric sensor is used for monitoring the transmission chain.
Further optimize, the stoving case body outside is provided with the heat preservation.
Wherein, heating element is including setting up a plurality of heating blower on the stoving case body.
Further optimize, be provided with material fast cooling device above the discharge gate, material fast cooling device includes material apron, deposit gas case and at least one cooling blower, and material apron fixed connection is on the stoving case body, and is located the top of discharge gate, is provided with the mounting hole on the material apron, and deposit gas case fixed mounting is in the mounting hole, cooling blower installs on depositing the gas case, and deposit gas incasement portion has a deposit gas cavity, and cooling blower's air-out end is through cooling air pipe and deposit gas cavity intercommunication, and deposit gas bottom of the case portion and be provided with a plurality of ventholes, the venthole with deposit gas cavity intercommunication, the venthole is just to the discharge end that is located the mesh belt formula material conveying component of below.
Wherein, each venthole on the air storage box is connected with a gas distribution nozzle.
Further optimize, deposit the gas case lateral wall and be provided with spacing boss, deposit the gas case and pass the mounting hole after, spacing boss pressure is on the material apron.
Wherein, the air storage box is provided with a handle.
The invention discloses a chain breakage protection method for a mesh belt type dryer, which comprises the following steps:
step 1: monitoring the conveying chain by using a first photoelectric sensor, and monitoring the transmission chain by using a second photoelectric sensor;
step 2: if the conveying chain and the transmission chain work normally, the first photoelectric sensor and the second photoelectric sensor send a normal signal to the PLC;
if the conveying chain or the transmission chain is abnormal, the first photoelectric sensor or the second photoelectric sensor sends a fault signal to the PLC, and after the PLC receives the fault signal, the PLC controls the feeding assembly, the heating assembly and the mesh belt type material conveying assembly to stop working, so that the equipment is protected.
Compared with the prior art, the invention has the following beneficial effects:
the invention mainly comprises a feeding assembly, a drying box body, a heating assembly, a broken chain protection device and a plurality of mesh belt type material conveying assemblies, wherein the heating assembly is used for supplying heat and drying materials, and the mesh belt type material conveying assemblies are used for conveying the materials; because the plurality of mesh belt type material conveying assemblies are arranged in a staggered mode from top to bottom, in actual use, materials on the previous mesh belt type material conveying assembly can fall onto the next mesh belt type material conveying assembly at the tail end of the previous mesh belt type material conveying assembly; the running path of the materials in the drying box body can be greatly prolonged, the drying time of the materials can be prolonged, the overall volume of the dryer can be reduced, and the drying effect of the materials can be improved;
more importantly, the chain breakage protection device is arranged in the chain breakage protection device, the chain breakage protection device comprises a PLC (programmable logic controller) and a plurality of photoelectric sensors, the photoelectric sensors are connected with the PLC, and the feeding assembly, the heating assembly and the mesh belt type material conveying assembly are all connected with the PLC; like this, in the in-service use, realize the real-time detection of guipure formula material transfer subassembly through the photoelectric sensor who sets up, if guipure formula material transfer subassembly appear behind the work anomaly, photoelectric sensor sends a fault signal to the PLC controller, and the PLC controller receives behind the fault signal, and control material loading subassembly, heating element and guipure formula material transfer subassembly stop work, realize the protection to equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is an enlarged view of a portion of FIG. 1.
Fig. 3 is a schematic view of the overall structure of the material rapid cooling device of the present invention.
FIG. 4 is an enlarged view of a portion of FIG. 1 at B according to the present invention.
Fig. 5 is a schematic view of the installation structure of the guide device of the present invention.
Reference numerals: 1-a feeding component, 2-a drying box body, 3-a heating component, 4-a mesh belt type material conveying component, 5-a feeding port, 6-a discharging port, 7-a photoelectric sensor, 8-a driving chain wheel, 9-a driven chain wheel, 10-a conveying chain, 11-a driving chain, 12-a first photoelectric sensor, 13-a second photoelectric sensor, 14-an installation box, 15-a first material guide plate, 16-a second material guide plate, 17-a supporting spring, 18-a vibrating motor, 19-a belt type conveying component, 20-the ground, 21-a feeding foundation pit, 22-a steel plate, 23-a baffle, 24-a guiding device, 25-a supporting column, 26-a guide wheel, 27-a buffer spring, 28-a baffle ring and 29-a limiting part, 30-a limiting boss, 31-a material quick cooling device, 32-a material cover plate, 33-an air storage box, 34-a cooling fan, 35-a mounting hole, 36-an air storage cavity, 37-an air outlet hole and 38-an air distribution nozzle.
Detailed Description
The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Example one
The embodiment discloses a mesh belt type dryer with a chain breakage protection device, which comprises a feeding assembly 1, a drying box body 2, a heating assembly 3, a breakage protection device and a plurality of mesh belt type material conveying assemblies 4, wherein the drying box body 2 is provided with a feeding hole 5 and a discharging hole 6, and the heating assembly 3 and the plurality of mesh belt type material conveying assemblies 4 are arranged in the drying box body 2;
the mesh belt type material conveying assemblies 4 are all positioned in the drying box body 2 and are staggered from top to bottom in sequence, and one mesh belt type material conveying assembly 4 positioned at the lowest part extends out of the discharge hole 6; the material on the previous mesh belt type material conveying component 4 can fall onto the next mesh belt type material conveying component 4 at the tail end of the material; the discharge end of the feeding component 1 is positioned above the feed end of the uppermost mesh belt type material conveying component 4;
the chain breakage protection device comprises a PLC (programmable logic controller) and a plurality of photoelectric sensors 7, the photoelectric sensors 7 are connected with the PLC, and the feeding assembly 1, the heating assembly 3 and the mesh belt type material conveying assembly 4 are connected with the PLC.
The invention mainly comprises a feeding assembly 1, a drying box body 2, a heating assembly 3, a chain breakage protection device and a plurality of mesh belt type material conveying assemblies 4, wherein the heating assembly is used for supplying heat and drying materials, and the mesh belt type material conveying assemblies 4 are used for conveying the materials; because the plurality of mesh belt type material conveying assemblies 4 are arranged in a staggered mode from top to bottom, in actual use, materials on the previous mesh belt type material conveying assembly 4 can fall onto the next mesh belt type material conveying assembly 4 from the tail end of the previous mesh belt type material conveying assembly; the running path of the materials in the drying box body 2 can be greatly prolonged, the drying time of the materials can be prolonged, the overall volume of the dryer can be reduced, and the drying effect of the materials can be improved;
more importantly, the chain breakage protection device is arranged in the embodiment and comprises a PLC (programmable logic controller) and a plurality of photoelectric sensors 7, the photoelectric sensors 7 are connected with the PLC, and the feeding assembly 1, the heating assembly 3 and the mesh belt type material conveying assembly 4 are all connected with the PLC; like this, in the in-service use, realize the real-time supervision of guipure formula material transfer unit 4 through photoelectric sensor 7 that sets up, if guipure formula material transfer unit 4 appears behind the work anomaly, photoelectric sensor 7 sends a fault signal to the PLC controller, and the PLC controller receives behind the fault signal, controls material loading subassembly 1, heating element 3 and guipure formula material transfer unit 4 stop work, and then realizes the protection to equipment.
Further limiting, the mesh belt type material conveying assembly 4 comprises a driving chain wheel 8, a driven chain wheel 9 and a conveying chain 10, the driving chain wheel 8 and the driven chain wheel 9 are installed in the drying box body 2, the driving chain wheel 8 is connected with the driven chain wheel 9 through the conveying chain 10, and the driving chain wheel 8 is connected with a driving motor;
the conveying chains 10 are used for conveying materials, and the mesh belt type material conveying assemblies 4 in the same movement direction are connected through the transmission chains 11; the driving motor is connected with the PLC;
the photoelectric sensor 7 comprises a first photoelectric sensor 12 and a second photoelectric sensor 13, wherein the first photoelectric sensor 12 is used for monitoring the conveying chain 10, and the second photoelectric sensor 13 is used for monitoring the transmission chain 11.
The mesh belt type material conveying assemblies 4 in the same moving direction are connected through the transmission chain 11, so that the number of driving motors can be reduced, and the purposes of energy conservation and emission reduction are achieved; the monitoring of the conveying chain 10 and the transmission chain 11 is respectively realized through the first photoelectric sensor 12 and the second photoelectric sensor 13, and if an abnormal condition occurs, the PLC can issue a stop instruction in the first time so as to protect equipment.
Further optimization, the outer side of the drying box body 2 is provided with a heat-insulating layer; the heat preservation that sets up can play better heat preservation effect, can reduce thermal scattering and disappearing, improves the efficiency of drying.
In the embodiment, the heating assembly 3 includes a plurality of heating fans arranged on the drying box body; therefore, heat is supplied to the drying box body 2 through the heating fan, and the rapid drying of the materials is further realized; in practical use, other heating methods can be adopted, and are not described in detail herein.
Wherein, in this embodiment, material loading subassembly 1 concrete structure is as follows:
the drying box comprises an installation box 14, a first material guide plate 15, a second material guide plate 16, a supporting spring 17, a vibration motor 18 and a belt type conveying assembly 19, wherein the installation box 14 is fixedly installed in a feeding foundation pit 21 preset on the ground 20, one end of the belt type conveying assembly 19 extends into a feeding hole 5 of the drying box body 2, the other end of the belt type conveying assembly is located in the installation box 14, the installation box 14 is connected with the ground 20 through a steel plate 22, and the steel plate 22 is flush with the ground 20;
the first material guide plate 15 and the second material guide plate 16 are both positioned in the installation box 14 and above the belt type conveying assembly 19, after the right end of the first material guide plate 15 is hinged with the installation box 14, the first material guide plate 15 is in an inclined state, the second material guide plate 16 is positioned at the left end of the first material guide plate 15, after the first material guide plate 15 is hinged with the concealed installation box, the second material guide plate 16 is in an inclined state, and the second material guide plate 16 extends to the position below the first material guide plate 15;
the first material guide plate 15 is connected with the side wall of the installation box 14 through a plurality of supporting springs 17, and the second material guide plate 16 is connected with the installation box 14 through a plurality of supporting springs 17; the vibration motors 18 are mounted below the first material guide plate 15 and the second material guide plate 16.
It should be noted that the belt conveyor assembly 19 is a belt conveyor, and the specific structure thereof is not described in detail here.
The first material guiding plate 15 and the second material guiding plate 16 are hinged to the installation box 14 through a rotating shaft.
Further optimization, the included angle formed by the first material guide plate 15 and the second material guide plate 16 and the ground 20 is 40-50 degrees; in the embodiment, the included angle formed between the first material guiding plate 15 and the second material guiding plate 16 and the ground 20 is 45 °.
The feeding assembly mainly comprises an installation box 14, a first material guide plate 15, a second material guide plate 16, a supporting spring 17, a vibration motor 18 and a belt type conveying assembly 19, in actual use, the installation box 14 is fixedly installed in a feeding foundation pit 21 preset on the ground 20, one end of the belt type conveying assembly 19 extends into the mesh belt type dryer, the other end of the belt type conveying assembly is located in the installation box 14, the installation box 14 is connected with the ground 207 through a steel plate 22, and the steel plate 22 is flush with the ground 20; this arrangement enables the box 14 to be mounted flush with the ground 20, i.e.: the feeding hole 5 of the feeding device is sunk below the ground 20, so that when workers feed materials, the materials do not need to be lifted by 85cm, and only the materials need to be pushed into the mounting box 14, the labor burden of the workers can be effectively reduced, and the feeding efficiency is improved;
more importantly, the first material guide plate 15 and the second material guide plate 16 can guide materials, and after a worker pushes the materials into the installation box 14, the materials can slide downwards along the first material guide plate 15 and the second material guide plate 16 under the action of the vibration motor 18, so that the phenomenon of material accumulation can be prevented;
meanwhile, the materials can be dispersed in the process of sliding down in the vibration of the first material guide plate 15 and the second material guide plate 16, so that the materials can uniformly fall on the belt-type conveying assembly 19, the phenomenon of material accumulation can be effectively prevented, the materials are heated more uniformly in the mesh belt type dryer, and the drying efficiency of the mesh belt type dryer is improved.
Further preferably, the left end and the right end of the first material guiding plate 15 and the second material guiding plate 16 are both provided with a baffle 23, and the baffles 23 are vertically connected to the first material guiding plate 15 and the second material guiding plate 16, so that the cross sections of the first material guiding plate 15 and the second material guiding plate 16 are in a U-shaped structure.
In this way, in actual use, materials can be prevented from entering the gaps between the first guide plate 15, the second guide plate 16 and the installation box 14.
Preferably, the baffle 23 of the first material guiding plate 15 and the second material guiding plate 16 is connected with a guiding device 24, and the guiding device 24 is in contact with the side wall of the installation box 14.
Wherein, guider 24 includes support column 25 and guide pulley 26, and guide pulley 26 installs on support column 25, and support column 25 slidable mounting is on baffle 23, and support column 25 tip is provided with spacing portion 29, and the threaded connection of the department of being close to guide pulley 26 position on the support column 25 has a fender ring 28, and the cover is equipped with buffer spring 27 on the support column 25, and buffer spring 27 one end and baffle 23 contact, the other end and fender ring 28 contact.
The guide device 24 can be used for better guiding the first material guide plate 15 and the second material guide plate 16, so that the collision between the first material guide plate 15 and the second material guide plate 16 and the side wall of the installation box 14 in the vibration process can be reduced, and the first material guide plate 15 and the second material guide plate 16 can be guided through the support pillar 25 and the buffer spring 27 in the vibration process, so that the material dispersing effect is better.
The baffle ring 28 is connected to the support column 25 by threads, so that the assembly and disassembly are more convenient.
Example two
The embodiment discloses a chain breakage protection method for a mesh belt type dryer, which comprises the following steps:
step 1: monitoring the conveyor chain 10 using a first photoelectric sensor 12, monitoring the drive chain 11 using a second photoelectric sensor 13;
step 2: if the conveying chain 10 and the transmission chain 11 work normally, the first photoelectric sensor 12 and the second photoelectric sensor 13 send a normal signal to the PLC;
if the conveying chain 10 or the transmission chain 11 is abnormal, the first photoelectric sensor 12 or the second photoelectric sensor 13 sends a fault signal to the PLC, and after the PLC receives the fault signal, the PLC controls the feeding assembly 1, the heating assembly 3 and the mesh belt type material conveying assembly 4 to stop working, so that the equipment is protected.
EXAMPLE III
The present embodiment is further optimized based on the first embodiment, and in the present embodiment,
be provided with material quick-cooling device 31 above discharge gate 6, material quick-cooling device 31 includes material apron 32, air storage box 33 and at least one cooling blower 34, and material apron 32 fixed connection is on stoving case body 2, and is located the top of discharge gate 6, is provided with mounting hole 35 on the material apron 32, and air storage box 33 fixed mounting is in the mounting hole 35, cooling blower 34 installs on air storage box 33, and air storage box 33 is inside to have an air storage cavity 36, and cooling blower 34's air-out end passes through the cooling air duct and communicates with air storage cavity 36, and air storage box 33 bottom is provided with a plurality of ventholes 37, venthole 37 with air storage cavity 36 communicates, and venthole 37 is just to the discharge end that is located the guipure material conveying component 4 of below.
The cooling of the materials can be accelerated by the arranged material quick cooling device 31; after the material is conveyed to the discharge port 6, the cooling fan 34 blows cold air into the air storage box 33, then the cold air is discharged from the air outlet 37, and the cold air is divided and acts on the material; deposit gas tank 338 through setting up can effectually prevent that wind-force is too big to blow off the material, the cold air after the dispersion advances can be softer effect more on the material, can realize the rapid cooling of material, makes the material cool off fast, satisfies customer's packing demand, shared place when can effectual saving cooling material, further practices thrift the cost of labor that the material cooling in-process took.
Note that, in the present embodiment, three cooling fans 34 are provided.
For further optimization, each air outlet 37 on the air storage box 33 is connected with an air distribution nozzle 38; the cold air can be further dispersed by the arranged air distribution spray head 38 and then acts on the material, so that the cooling efficiency is improved.
Further optimization, the side wall of the gas storage box 33 is provided with a limiting boss 30, and after the gas storage box 33 passes through the mounting hole 35, the limiting boss 30 is pressed on the material cover plate 32; spacing of air storage box 33 is realized through the spacing boss 30 that sets up for air storage box 33 and material apron 32 realize dismantling the connection, the dismouting of being convenient for. The material quick cooling device 31 can be additionally arranged according to the cooling requirement.
Further preferably, a handle is arranged on the air storage tank 33.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. Mesh belt drying-machine with chain breakage protection device, its characterized in that: the drying box comprises a feeding assembly, a drying box body, a heating assembly, a chain breakage protection device and a plurality of mesh belt type material conveying assemblies, wherein a feeding hole and a discharging hole are formed in the drying box body, and the heating assembly and the plurality of mesh belt type material conveying assemblies are arranged in the drying box body;
the plurality of mesh belt type material conveying assemblies are positioned in the drying box body and are staggered from top to bottom in sequence, and one mesh belt type material conveying assembly positioned at the lowest part extends out of the discharge hole; the material on the previous mesh belt type material conveying component can fall onto the next mesh belt type material conveying component at the tail end of the previous mesh belt type material conveying component; the discharge end of the feeding assembly is positioned above the feed end of the uppermost mesh belt type material conveying assembly;
the chain breakage protection device comprises a PLC and a plurality of photoelectric sensors, the photoelectric sensors are connected with the PLC, and the feeding assembly, the heating assembly and the mesh belt type material conveying assembly are connected with the PLC.
2. The mesh belt dryer with the chain breakage protection device according to claim 1, characterized in that: the mesh belt type material conveying assembly comprises a driving chain wheel, a driven chain wheel and a conveying chain, the driving chain wheel and the driven chain wheel are installed in the drying box body, the driving chain wheel is connected with the driven chain wheel through the conveying chain, and the driving chain wheel is connected with a driving motor;
the conveying chains are used for conveying materials, and the mesh belt type material conveying assemblies in the same movement direction are connected through the transmission chains; the driving motor is connected with the PLC;
the photoelectric sensor comprises a first photoelectric sensor and a second photoelectric sensor, the first photoelectric sensor is used for monitoring the conveying chain, and the second photoelectric sensor is used for monitoring the transmission chain.
3. The mesh belt dryer with the chain breakage protection device according to claim 1, characterized in that: the outside of the drying box body is provided with a heat preservation layer.
4. The mesh belt dryer with the chain breakage protection device according to claim 1, characterized in that: the heating assembly comprises a plurality of heating fans arranged on the drying box body.
5. The mesh belt dryer with the chain breakage protection device according to any one of claims 1 to 4, wherein: be provided with material quick-cooling device above the discharge gate, material quick-cooling device includes material apron, air storage tank and at least one cooling blower, and material apron fixed connection is on the stoving case body, and is located the top of discharge gate, is provided with the mounting hole on the material apron, and air storage tank fixed mounting is in the mounting hole, cooling blower install on air storage tank, air storage tank inside has an air storage cavity, and cooling blower's air-out end is through cooling air pipe and air storage cavity intercommunication, and air storage tank bottom portion is provided with a plurality of ventholes, the venthole with air storage cavity intercommunication, the venthole is just to the discharge end that is located the mesh belt formula material conveying subassembly of below.
6. The mesh belt dryer with the chain breakage protection device according to claim 5, wherein: each air outlet on the air storage box is connected with an air distribution nozzle.
7. The mesh belt dryer with the chain breakage protection device according to claim 6, wherein: the side wall of the gas storage box is provided with a limiting boss, and after the gas storage box penetrates through the mounting hole, the limiting boss is pressed on the material cover plate.
8. The mesh belt dryer with the chain breakage protection device according to claim 7, wherein: the air storage box is provided with a handle.
9. The chain breakage protection method of the mesh belt type dryer is characterized by comprising the following steps:
step 1: the first photoelectric sensor monitors the conveying chain, and the second photoelectric sensor monitors the transmission chain;
step 2: if the conveying chain and the transmission chain work normally, the first photoelectric sensor and the second photoelectric sensor send a normal signal to the PLC, and the equipment operates normally;
if the conveying chain or the transmission chain is abnormal, the first photoelectric sensor or the second photoelectric sensor sends a fault signal to the PLC, and after the PLC receives the fault signal, the PLC controls the feeding assembly, the heating assembly and the mesh belt type material conveying assembly to stop working, so that the equipment is protected.
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| CN202110155103.5A CN112762690A (en) | 2021-02-04 | 2021-02-04 | Mesh belt type dryer with chain breakage protection device and chain breakage protection method |
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| CN202110155103.5A CN112762690A (en) | 2021-02-04 | 2021-02-04 | Mesh belt type dryer with chain breakage protection device and chain breakage protection method |
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Application publication date: 20210507 |