CN113028802B - Gypsum board drying system - Google Patents
Gypsum board drying system Download PDFInfo
- Publication number
- CN113028802B CN113028802B CN202110392946.7A CN202110392946A CN113028802B CN 113028802 B CN113028802 B CN 113028802B CN 202110392946 A CN202110392946 A CN 202110392946A CN 113028802 B CN113028802 B CN 113028802B
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- Prior art keywords
- locking
- working position
- insulation
- sliding
- drying chamber
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- 238000001035 drying Methods 0.000 title claims abstract description 83
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 46
- 239000010440 gypsum Substances 0.000 title claims abstract description 46
- 238000009413 insulation Methods 0.000 claims abstract description 127
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000004321 preservation Methods 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 32
- 230000033001 locomotion Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001846 repelling effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229920000881 Modified starch Polymers 0.000 description 1
- 239000004368 Modified starch Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Classifications
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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
- F26B15/122—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 material being carried by transversely moving rollers or rods which may rotate
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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
- F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
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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 belongs to the technical field of gypsum board processing equipment, and provides a gypsum board drying system which comprises a drying chamber, wherein a plurality of layers of conveying roller ways are arranged in the drying chamber, the gypsum board drying system also comprises sealing devices, the two sealing devices are respectively arranged at a feeding hole and a discharging hole of the drying chamber, and the sealing devices comprise: the insulation boards are provided with two working positions, when the insulation boards are located at the first working position, the insulation boards seal the feeding ends or the discharging ends of the conveying roller ways of the corresponding layers, and when the insulation boards are located at the second working position, the insulation boards open the feeding ends or the discharging ends of the conveying roller ways of the corresponding layers; the two driving devices are respectively arranged on two sides of the mounting bracket and are used for driving the heat-insulation plate to reciprocate between a first working position and a second working position; and the locking device is used for locking the insulation board at the first working position. The gypsum board drying system provided by the invention has low heat loss.
Description
Technical Field
The invention relates to the technical field of gypsum board processing equipment, in particular to a gypsum board drying system.
Background
The paper-surface gypsum board is formed by spreading the slurry between upper and lower protective paper sheets, forming the paper-surface gypsum board into a fixed width and thickness by a forming device, wherein the theoretical water consumption required for hydration of the calcined gypsum is 18.6% of the weight of the calcined gypsum, and the water-paste ratio is often more than 70% in order to make the gypsum slurry have good fluidity during the forming of the gypsum board. This excess free moisture needs to be evaporated from the core of the board during the drying process. In the process of water evaporation, the adhesive (modified starch) migrates to the interface between the surface layers of the protective paper and the gypsum core along with the evaporation of water, and the protective paper and the gypsum core are firmly bonded together after gelatinization. Therefore, the drying equipment is an important equipment of the gypsum board production line.
In the prior art, in order to improve the drying efficiency of the gypsum board drying equipment, a plurality of layers of conveying roller ways are usually arranged in a drying chamber, so that gypsum boards are dried in the drying chamber in the process of being conveyed from an inlet end to an outlet end of the conveying roller ways.
However, the above gypsum board drying apparatus has disadvantages in that: in the whole drying process, the feed inlet and the discharge outlet of the drying chamber are not sealed, so that hot air in the drying chamber is in direct contact with external cold air to exchange heat, and great heat loss is caused.
Disclosure of Invention
In view of the deficiencies in the prior art, it is an object of the present invention to provide a gypsum board drying system that reduces heat loss.
In order to achieve the above object, the present invention provides a gypsum board drying system, including a drying chamber, wherein a plurality of layers of roller conveyors are arranged in the drying chamber, and further including sealing devices, two of the sealing devices are respectively arranged at a feeding port and a discharging port of the drying chamber, and the sealing devices include:
the insulation boards are provided with two working positions, when the insulation boards are located at a first working position, the insulation boards close the feeding ends or the discharging ends of the conveying roller ways of the corresponding layers, and when the insulation boards are located at a second working position, the insulation boards open the feeding ends or the discharging ends of the conveying roller ways of the corresponding layers;
the two driving devices are respectively arranged on two sides of the mounting bracket and are used for driving the heat-insulation plate to reciprocate between the first working position and the second working position; and
the locking device is used for locking the heat insulation plate at the first working position.
The drying chamber is characterized by further comprising a mounting bracket, wherein the mounting bracket is arranged at a feeding hole or a discharging hole of the drying chamber, and a first sliding groove and a second sliding groove are formed in two sides of the mounting bracket in parallel;
the number of the heat insulation plates is equal to that of the conveying roller ways and corresponds to one another, the heat insulation plates are divided into two groups, two ends of one group of heat insulation plates are connected with the mounting bracket in a sliding mode through the first sliding grooves, the other group of heat insulation plates are connected with the mounting bracket in a sliding mode through the second sliding grooves, and two groups of the heat preservation plates are arranged in a stepped manner along the longitudinal direction, opposite sides of any two adjacent heat preservation plates are mutually butted and kept sealed, and any one heat preservation plate is provided with the two working positions, when the heat insulation plate is positioned at the first working position, the heat insulation plate seals the feeding end or the discharging end of the conveying roller way of the corresponding layer, and when the heat insulation plate is positioned at the second working position, the heat insulation plate opens the feeding end or the discharging end of the conveying roller way of the corresponding layer.
Further, the driving device includes:
the two sides of the mounting bracket are provided with mounting cavities, and the screw is rotatably arranged in the mounting cavities;
the nut is arranged in the mounting cavity and is in threaded connection with the lead screw;
the bolt is provided with a first sliding hole and a second sliding hole in parallel on one side of the nut facing the heat insulation board, the two bolts are respectively arranged in the first sliding hole and the second sliding hole in a sliding mode, and a permanent magnet is arranged at one end, away from the heat insulation board, of each bolt;
the two electromagnets are respectively arranged in the first sliding hole and the second sliding hole; and
the power output shaft of the motor is in transmission connection with the power input end of the lead screw;
wherein, the one side of heated board towards the bolt is seted up with bolt matched with jack.
Further, the locking device includes:
a locking slot disposed on the mounting bracket;
the heat insulation plate is provided with a locking ball, and the locking ball is movably arranged in the mounting hole; and
the locking spring is arranged in the mounting hole, two ends of the locking spring are respectively abutted against the locking ball and the heat insulation plate, and the locking spring has a tendency that the locking ball moves towards the direction far away from the locking spring in a natural state.
Furthermore, the locking device further comprises a sliding block, the sliding block is arranged in the mounting hole in a sliding mode, the sliding block is located between the locking ball and the locking spring, a mounting groove is formed in one end, facing the locking ball, of the sliding block, and the locking ball is movably mounted in the mounting groove.
Further, the heat preservation board comprises base plates and a heat preservation layer made of heat preservation cotton, the two base plates are arranged in parallel relatively, and the heat preservation layer is arranged between the two base plates.
The invention has the beneficial effects that:
according to the gypsum board drying system provided by the invention, the insulation board and the driving device are arranged, so that the insulation board is driven by the driving device to reciprocate between the first working position and the second working position, the inlet and the outlet of the drying chamber are closed and opened, the contact time of hot air in the drying chamber and cold air outside the drying chamber is shortened, and the heat loss is reduced.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a perspective view of a gypsum board drying system provided in accordance with one embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view taken at A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is an enlarged view at C shown in FIG. 4;
fig. 6 is a cross-sectional view of the insulation board shown in fig. 1.
Reference numerals are as follows:
100-drying chamber, 200-conveying roller way, 300-heat preservation plate, 310-base plate, 320-heat preservation layer, 301-jack, 400-driving device, 410-lead screw, 420-nut, 430-bolt, 440-electromagnet, 450-motor, 460-permanent magnet, 500-locking device, 510-locking groove, 520-locking ball, 530-locking spring, 540-sliding block and 600-mounting bracket.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-6, the present invention provides a gypsum board drying system for installation on a gypsum board production line. The drying system includes a drying chamber 100. A plurality of layers of conveying roller ways 200 are installed in the drying chamber 100, and gypsum boards can be dried in the drying chamber 100 in the process of moving from the feeding end to the discharging end of the conveying roller ways 200. Specifically, a feeding device driven by a lifting device is installed at an inlet of the drying chamber 100. The feeding device can convey gypsum boards to be dried on the production line to each layer of the conveying roller table 200.
The drying system further includes two sealing devices, the two sealing devices are respectively installed at the inlet and the outlet of the drying chamber 100, and the two sealing devices are respectively used for sealing the inlet and the outlet of the drying chamber 100 so as to prevent the high-temperature gas in the drying chamber 100 from directly contacting with the low-temperature gas outside the drying chamber 100 and performing heat exchange. The sealing device includes an insulation board 300, a driving device 400, and a locking device 500.
The insulation board 300 has two working positions, when the insulation board 300 is located at a first working position, the insulation board 300 seals the feeding end or the discharging end of the corresponding one-layer conveying roller way 200, and when the insulation board 300 is located at a second working position, the insulation board 300 opens the feeding end or the discharging end of the corresponding one-layer conveying roller way 200.
Therefore, when the gypsum board is conveyed into the drying chamber 100 or the gypsum board in the drying chamber 100 needs to be conveyed out, the heat insulation board 300 is arranged at the second working position, the heat insulation board 300 is arranged at the first working position in the rest time, the contact time between the hot air in the drying chamber 100 and the cold air outside the drying chamber 100 is shortened, and the heat loss is reduced.
The driving device 400 is used for driving the heat-insulation board 300 to reciprocate between the first working position and the second working position.
The locking device 500 is used for locking the insulation board 300 in the first working position.
In one embodiment, the sealing device further comprises a mounting bracket 600.
Wherein, the mounting bracket 600 is fixedly installed at a feeding port or a discharging port of the drying chamber 100. Both sides of the mounting bracket 600 are provided with a first chute and a second chute in parallel. The number of the heat insulation boards 300 is a plurality, and specifically, the number of the heat insulation boards is equal to the number of layers of the conveying roller beds 200 and corresponds to one. The plurality of insulation boards 300 are divided into two groups, specifically, when the number of the insulation boards 300 is 2n (where n is a positive integer), the number of the two groups of insulation boards 300 is n, respectively, and when the number of the insulation boards 300 is 2n +1 (where n is a positive integer), then the number of one group of insulation boards 300 is n, and the number of the other group of insulation boards 300 is n + 1. These two sets of heated boards 300 are respectively through first spout and second spout and installing support 600 sliding connection, that is to say that the both ends of a set of heated board 300 are through first spout and installing support 600 sliding connection, and the both ends of another set of heated board 300 are through second spout and installing support 600 sliding connection. And the two groups of insulation boards 300 are sequentially and alternately arranged along the longitudinal direction, that is, the insulation boards 300 connected with the first chute and the insulation boards 300 connected with the second chute are repeatedly arranged. Preferably, opposite sides of any two adjacent insulation boards 300 interfere with each other and maintain a seal. Specifically, the opposite sides of the bottom of the previous insulation board 300 and the top of the next insulation board 300 are interfered with each other and kept sealed.
Any one of the heat insulation boards 300 has two working positions, when the heat insulation board 300 is located at the first working position, the heat insulation board 300 seals the feeding end or the discharging end of the corresponding one layer of the conveying roller way 200, and when the heat insulation board 300 is located at the second working position, the heat insulation board 300 opens the feeding end or the discharging end of the corresponding one layer of the conveying roller way 200.
Thus, when the feeding device conveys a gypsum board to a certain layer, the insulation board 300 positioned at the feeding end of the layer of the roller conveyor 200 is moved to the second working position by the driving device 400, and the feeding end of the layer of the roller conveyor 200 is opened. Similarly, when a layer of gypsum boards needs to be transported out of the drying chamber 100, the insulation board 300 at the discharge end of the layer of roller conveyor 200 is moved by the driving device 400 to the second working position, and the discharge end of the layer of roller conveyor 200 is opened.
Therefore, when the gypsum board is conveyed to a certain layer of conveying roller way 200 in the drying chamber 100 or the gypsum board on the certain layer of conveying roller way 200 needs to be discharged from the drying chamber 100, the feeding end or the discharging end of the layer can be opened, the rest time is sealed by the heat insulation board 300, the contact time and the contact area of hot air in the drying chamber 100 and cold air outside the drying chamber 100 are reduced, and therefore heat loss is reduced.
This structure, carry the gypsum board in to drying chamber 100 or when carrying out the gypsum board from drying chamber 100, only need to remove the heated board 300 of the feed end of corresponding layer's rollgang 200 or discharge end from first operating position to second operating position, after finishing carrying again with this heated board 300 from second operating position to first operating position, the area of the hot-air in the drying chamber 100 and the outside cold air contact of drying chamber 100 has been reduced, the motion stroke of heated board 300 has been shortened simultaneously, the time of the hot-air in the drying chamber 100 and the outside cold air contact of drying chamber 100 has been reduced, thereby heat loss has been reduced.
In one embodiment, the drive mechanism 400 includes a lead screw 410, a nut 420, a latch 430, an electromagnet 440, and a motor 450.
Wherein, the mounting cavities are respectively arranged at the two sides of the mounting bracket 600, and the lead screw 410 is rotatably arranged in the mounting cavities
A nut 420 is slidably mounted in the mounting cavity and is threadably connected to the lead screw 410. A first sliding hole and a second sliding hole are formed in parallel on one side of the nut 420 facing the insulation board 300, and specifically, the first sliding hole and the second sliding hole correspond to the first sliding groove and the second sliding groove, respectively. The two bolts 430 are slidably mounted in the first sliding hole and the second sliding hole respectively, and a permanent magnet 460 is disposed at one end of the bolt 430, which is away from the heat insulation board 300.
The number of the electromagnets 440 is two, and the two electromagnets 440 are respectively and fixedly installed in the first sliding hole and the second sliding hole and located at one end of the latch 430 far away from the insulation board 300.
The power output shaft of the motor 450 is in transmission connection with the power input end of the lead screw 410.
Of course, the side of the heat insulation board 300 facing the latch 430 is provided with a jack 301 matched with the latch 430.
Thus, when a certain insulation board 300 in the first sliding chute needs to move from the first working position to the second working position, the motor 450 drives the screw 410 to rotate, thereby driving the nut 420 to the insulation board 300 and enabling the insertion hole 301 formed on the insulation board 300 to correspond to the plug 430 installed in the first sliding hole, and the motor 450 stops rotating. Then, the electromagnet 440 is energized to make the magnetic poles at the ends of the electromagnet 440 corresponding to the permanent magnet 460 have the same magnetism, and according to the principle that like magnetic poles repel each other, a repelling force is inevitably generated between the permanent magnet 460 and the electromagnet 440, under the action of the repelling force, the plug 430 is inserted into the insertion hole 301 of the heat insulation board 300, then the motor 450 is started again, and the heat insulation board 300 can be driven to move under the action of the plug 430 while the driving nut 420 moves, so that the heat insulation board 300 is driven to the second working position, and the motor 450 stops rotating. After the gypsum board is conveyed out of the drying chamber 100 or the gypsum board on the conveying device is conveyed into the message chamber, the motor 450 is started again, so that the heat insulation board 300 is driven to the first working position. Then, the direction of the current passing through the electromagnet 440 is changed, so that the magnetism of the end of the electromagnet 440 opposite to the permanent magnet 460 is opposite, according to the principle that like magnetic poles attract each other, an attraction force is generated between the electromagnet 440 and the permanent magnet 460, under the action of the attraction force, the bolt 430 is pulled out from the insertion hole 301 by the electromagnet 440, and then the insulation board 300 cannot be driven to move together when the nut 420 is driven by the motor 450 to move. So can realize the removal of single heated board 300 to when reducing the feed end or the discharge end of opening rollgang 200, the area of contact of the outside cold air of hot-air and drying chamber 100 in the drying chamber 100, thereby reduced calorific loss.
In one embodiment, the locking device 500 includes a locking groove 510, a locking ball 520, and a locking spring 530.
The locking groove 510 is opened on the mounting bracket 600. The insulation board 300 is provided with a mounting hole, and the locking ball 520 is movably mounted in the mounting hole. The locking spring 530 is installed in the installation hole, both ends of which respectively abut against the locking ball 520 and the insulation board 300, and in a natural state, the locking spring 530 has a tendency of moving the locking ball 520 in a direction away from the locking spring 530.
Specifically, when the insulation board 300 is located at the first working position, the locking ball 520 corresponds to the locking groove 510, so that the locking ball 520 is partially inserted into the locking groove 510 under the action of the locking spring 530, and the insulation board 300 can be locked at the first working position. When the heat insulation board 300 needs to be moved to the second working position, the driving device 400 drives the heat insulation board 300 to move, so that the locking balls 520 overcome the elastic force of the locking springs 530 and roll out of the locking grooves 510, and the locking of the heat insulation board 300 by the locking device 500 can be released.
The locking device 500 with the structure is convenient to lock and unlock, thereby being beneficial to improving the movement efficiency of the heat insulation board 300 between the first working position and the second working position, reducing the contact time of hot air in the drying chamber 100 and cold air outside the drying chamber 100 and further reducing the heat loss.
In one embodiment, the locking device 500 further comprises a slider 540, the slider 540 is slidably mounted in the mounting hole, the slider 540 is shown between the locking ball 520 and the locking spring 530, one end of the slider 540 facing the locking ball 520 is provided with a mounting groove, and the locking ball 520 is movably mounted in the mounting groove. That is, the locking balls 520 and the sliding block 540 form a ball-and-socket structure. This facilitates rotation of the locking ball 520, thereby facilitating sliding of the locking ball 520 out of the locking groove 510, and thus facilitating unlocking of the locking device 500.
This structure is helpful for unlocking the locking device 500 when the driving device 400 drives the insulation board 300 to move from the first working position to the second working position, thereby being helpful for improving the movement efficiency of the insulation board 300 between the first working position and the second working position, reducing the contact time between the hot air in the drying chamber 100 and the cold air outside the drying chamber 100, and further reducing the heat loss.
In one embodiment, the insulation board 300 includes a substrate 310 and an insulation layer 320 made of insulation cotton, the two substrates 310 are arranged in parallel, and the insulation layer 320 is arranged between the two substrates 310.
Because the bottom of two adjacent heated boards 300 or the relative one side at top need contradict each other in order to keep sealed, and the cotton outside that needs drying chamber 100 of heat preservation just makes traditional heated board 300 structure use here will appear being located the heat preservation cotton of inside heated board 300 inevitably appear with being located the heated board 300 contact in the outside to influence the motion of heated board 300 between first operating position and second operating position or make the in-process damage heat preservation cotton of heated board 300 motion between first operating position and second operating position, thereby increased calorific loss. By using the insulation board 300 with the structure, the contact part between two adjacent insulation boards 300 is completed by the substrate 310, the movement of the insulation board 300 between the first working position and the second working position is not affected, the movement efficiency of the insulation board 300 from the first working position to the second working position and the sealing effect between the insulation boards 300 are improved, and further the heat loss is reduced.
The working principle of the invention is as follows:
when the drying device is used, when a gypsum board needs to be conveyed to a certain layer of conveying roller way 200 in the drying chamber 100 or a dried gypsum board on a certain layer of conveying roller way 200 in the drying chamber 100 needs to be conveyed out of the drying chamber 100, the corresponding heat-insulating board 300 is driven to the second working position from the first working position by the driving device 400, and after the conveying is finished, the heat-insulating board 300 is recovered to the first working position from the second working position by the driving device 400.
Specifically, when the insulation board 300 corresponding to the feeding end or the discharging end of a certain layer of the roller conveyor 200 needs to be moved, the motor 450 is started and drives the screw 410 to rotate, so that the nut 420 is driven to move, and when the nut 420 is moved to the position corresponding to the insulation board 300, the motor 450 stops rotating.
Then, the electromagnet 440 corresponding to the insulation board 300 is energized and the magnetism of the end of the electromagnet 440 opposite to the permanent magnet 460 is made the same, so that a repulsive force is generated between the electromagnet 440 and the permanent magnet 460, and the latch 430 is inserted into the insertion hole 301 of the insulation board 300 under the repulsive force.
Then, the motor 450 is started again and driven to rotate, so that the nut 420 is driven to move, and under the action of the bolt 430, the nut 420 moves together with the insulation board 300, so that the locking balls 520 slide out of the locking grooves 510 against the elastic force of the locking springs 530, and the locking device 500 unlocks the position of the insulation board 300. When the insulation board 300 is moved to the second working position, the motor 450 stops rotating.
After the gypsum board is conveyed, the motor 450 is started again to restore the heat insulation board 300 from the second working position to the first working position, and at this time, the locking balls 320 slide into the locking grooves 510 under the action of the elastic force of the locking springs 330, so that the heat insulation board 300 is locked at the first working position.
Thereafter, the direction of the current of the electromagnet 440 is changed, thereby changing the magnetic pole direction of the electromagnet 440 such that the opposite end of the electromagnet 440 to the permanent magnet 460 is opposite in magnetism, thereby generating an attractive force between the electromagnet 440 and the permanent magnet 460, and under the attractive force, the electromagnet 440 pulls the plug 430 out of the insertion hole 301. The nut 420 then moves without bringing the insulation board 300 with it.
The steps are repeated, and the insulation boards 300 at the feeding end and the discharging end of each layer of the conveying roller way 200 can be opened and closed.
According to the gypsum board drying system provided by the invention, the heat insulation board 300 and the driving device 400 are arranged, so that the heat insulation board 300 is driven by the driving device 400 to reciprocate between the first working position and the second working position, the closing and the opening of the inlet and the outlet of the drying chamber 100 are realized, the contact time of hot air in the drying chamber 100 and cold air outside the drying chamber 100 is reduced, and the heat loss is reduced.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being covered by the appended claims and their equivalents.
Claims (4)
1. The utility model provides a gypsum board drying system, includes the drying chamber, be provided with a plurality of layers of rollgang in the drying chamber, its characterized in that: still include sealing device, two sealing device sets up respectively the feed inlet and the discharge gate of drying chamber, sealing device includes:
the insulation boards are provided with two working positions, when the insulation boards are located at a first working position, the insulation boards close the feeding ends or the discharging ends of the conveying roller ways of the corresponding layers, and when the insulation boards are located at a second working position, the insulation boards open the feeding ends or the discharging ends of the conveying roller ways of the corresponding layers;
the mounting bracket is arranged at a feeding hole or a discharging hole of the drying chamber, and a first sliding groove and a second sliding groove are formed in two sides of the mounting bracket in parallel;
the number of the heat preservation plates is equal to that of the conveying roller ways and corresponds to that of the conveying roller ways one by one, the heat preservation plates are divided into two groups, two ends of one group of heat preservation plates are connected with the mounting bracket in a sliding mode through the first sliding grooves, the other group of heat preservation plates are connected with the mounting bracket in a sliding mode through the second sliding grooves, and two groups of the heat insulation plates are sequentially arranged in a stepped manner along the longitudinal direction, opposite sides of any two adjacent heat insulation plates are mutually abutted and kept sealed, and any one heat insulation plate is provided with two working positions, when the heat insulation plate is positioned at the first working position, the heat insulation plate seals the feeding end or the discharging end of the conveying roller way of the corresponding layer, when the insulation board is located at the second working position, the insulation board opens the feeding end or the discharging end of the conveying roller way of the corresponding layer;
the two driving devices are respectively arranged on two sides of the mounting bracket and are used for driving the heat-insulation plate to reciprocate between the first working position and the second working position; and
the locking device is used for locking the heat insulation plate at the first working position;
the driving device includes:
the two sides of the mounting bracket are provided with mounting cavities, and the screw is rotatably arranged in the mounting cavities;
the nut is arranged in the mounting cavity and is in threaded connection with the lead screw;
the bolt is provided with a first sliding hole and a second sliding hole in parallel on one side of the nut facing the heat insulation board, the two bolts are respectively arranged in the first sliding hole and the second sliding hole in a sliding mode, and a permanent magnet is arranged at one end, away from the heat insulation board, of each bolt;
the two electromagnets are respectively arranged in the first sliding hole and the second sliding hole; and
the power output shaft of the motor is in transmission connection with the power input end of the lead screw;
wherein, the one side of heated board towards the bolt is seted up with bolt matched with jack.
2. The gypsum board drying system of claim 1, wherein: the locking device includes:
a locking slot disposed on the mounting bracket;
the heat insulation plate is provided with a locking ball, and the locking ball is movably arranged in the mounting hole; and
the locking spring is arranged in the mounting hole, two ends of the locking spring are respectively abutted against the locking ball and the heat insulation plate, and the locking spring has a tendency that the locking ball moves towards the direction far away from the locking spring in a natural state.
3. The gypsum board drying system of claim 2, wherein: the locking device further comprises a sliding block, the sliding block is arranged in the mounting hole in a sliding mode, the sliding block is located between the locking ball and the locking spring, a mounting groove is formed in one end, facing the locking ball, of the sliding block, and the locking ball is movably mounted in the mounting groove.
4. A gypsum board drying system according to any one of claims 1 to 3, wherein: the insulation board comprises a substrate and an insulation layer made of insulation cotton, the two substrates are arranged in parallel relatively, and the insulation layer is arranged between the two substrates.
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| CN114229319B (en) * | 2022-01-13 | 2024-07-26 | 北新建材(昆明)有限公司 | Plate feeding device of gypsum plate dryer |
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