CN209954892U - Fiber cloth coated gypsum board production equipment - Google Patents

Abstract

The utility model relates to a gypsum board production facility of fiber cloth coating surface, in particular to a high-speed production line of fiber gypsum board, which comprises six parts of burdening and stable material supply, gypsum board forming, preheating and solidifying, cutting to length, drying, dry board processing and packaging storage, and realizes the whole process production from burdening to finished product warehousing storage; the matched production equipment is specially designed for a high-speed production line and mainly comprises a batching and stabilizing material supply machine, a forming machine, a preheating curing and follow-up cutting machine, a drying machine, dry plate processing equipment and packaging and storing equipment, and the whole equipment has high capacity and high automation degree.

Description

Fiber cloth coated gypsum board production equipment

Technical Field

The utility model relates to a building material production facility especially relates to a fibre cloth facing gypsum board production facility.

Background

The fiber cloth coated gypsum board is a novel building board which takes building gypsum powder as a main raw material, fiber cloth coated surfaces and glass fibers as a reinforcing material, and the problems that paper of the paper-surface gypsum board is mildewed or the paper is easy to separate from a board core and the like do not exist because a surface protecting paper board is omitted on the surface. The fiber gypsum board has the whole application range of the paper gypsum board, and has incomparable performance such as comprehensive performance superior to the paper gypsum board, the screw holding force of the fiber gypsum board with the thickness of 12.5 mm reaches 600N/mm, and the paper surface is only 100N/mm; the gypsum board without paper surface also has the waterproof and fireproof performance, and the production cost is lower than that of the waterproof board and the fireproof board without paper surface. In a few years, the production cost of the gypsum board without the paper surface is higher than that of the gypsum board with the paper surface, so the gypsum board with the paper surface is mainly used in the market, but along with the continuous increase of the price of the paper-protecting paper and the large reduction of the price of the industrial tailing gypsum raw material of a power plant or a phosphate fertilizer plant, the cost of the fiber gypsum board is lower than that of the gypsum board with the paper surface, the return rate of the investment is higher than that of the gypsum board with the paper surface, and the gypsum board with the paper surface is a.

At present, the mechanization degree of a paperless gypsum board production line is low, manual production is mainly used in many areas, the production efficiency is low, automatic production lines are developed by some enterprises in China in recent years, but the production capacity of the production line is small due to the technical limit of forming, cutting and drying processes, and the bottleneck is met for improving the production capacity. Based on the reasons, the production equipment for the fiber cloth coated gypsum board has the advantages of rapid production process, high capacity of the whole equipment, high automation degree and the like, and the board discharging speed can reach more than 30m/min and far exceeds the speed of about 10m/min of the traditional production line.

Disclosure of Invention

The utility model is improved aiming at the existing problems, namely the technical problem to be solved by the utility model is to improve a production device of the fiber cloth coated gypsum board, which comprises a batching and stabilizing material supply machine, a forming machine, a preheating curing and follow-up cutting machine and a drying machine;

the preheating curing and follow-up cutting machine comprises a curing box, a heater, a hot air pipe, a sawing support, a roll shaft, a track, a servo motor, a follow-up part, a reciprocating part and a sawing part; the curing box is a box body which is closed up and down and is penetrated left and right, a heater is arranged in the box body, and a hot air pipe is arranged on an opening on the box wall; the sawing support is provided with a left-right-direction track, and the follow-up part is installed on the track and connected with a servo motor; the reciprocating part is arranged on the follow-up part, the saw cutting part is arranged under the follow-up part and is positioned on the upper side of the gypsum board, and the gypsum board is transported by the roll shaft.

The further technical scheme is as follows: the servo part is arranged on a bracket which reciprocates left and right along a track under the drive of a servo motor, and a transverse guide rail is arranged at the upper end of the bracket; the reciprocating part is a moving device which is arranged on a transverse guide rail at the upper end of the follow-up part, and the lower end of the follow-up part is provided with a saw cutting part; the saw cutting part is provided with a saw blade and an expansion bracket which are connected with a rotating motor.

The further technical scheme is as follows: the batching and stable material feeder comprises a lifter, a screw conveyor, a belt scale, a buffer bin, a rotary discharger, a feed back screw conveyor, a gypsum raw material bin, a mixing screw conveyor, a stirrer and a fiber cloth stable supply system;

a feed port at the lower end of the lifting machine is communicated with a gypsum raw material bin, a discharge port at the upper end of the lifting machine is communicated with a feed port of a screw conveyor, the screw conveyor is provided with a first outlet and a second outlet, the first outlet is communicated with a distributor chute at the upper end of the belt weigher, and the second outlet is communicated with a buffer bin; the outlet at the lower end of the belt scale is communicated with the feed inlet of the mixing screw conveyor, and the discharge outlet of the mixing screw conveyor is communicated with the stirrer; the buffer bin is communicated with a feed inlet of the feed back screw conveyor through a rotary discharger, and a discharge outlet of the feed back screw conveyor is communicated with a gypsum raw material bin;

the fiber cloth stable supply system is provided with two sets, wherein the two sets are respectively provided with an upper layer of fiber cloth and a lower layer of fiber cloth, have the same structure and comprise fiber cloth rollers, brackets, deviation adjusting devices, magnetic powder brakes, standby fiber cloth rollers and deviation rectifying machines; the fiber cloth roller is arranged on the bracket, the bottom of the bracket on the left side is provided with the deviation adjusting device, and the right shaft end of the fiber cloth roller extends out of the bracket on the right side and is in transmission connection with the magnetic powder brake; the spare fiber cloth roller is arranged in the same way as the fiber cloth roller, and the fiber cloth roller and the fiber cloth on the spare fiber cloth roller are connected with a deviation corrector.

The further technical scheme is as follows: the dryer comprises an open section inlet end, a closed section and an open section outlet end;

the open section inlet end is composed of a plurality of layers of roller ways, the roller shafts of each layer are uniformly distributed, double chain wheels are arranged on the shaft heads of the adjacent roller shafts to alternately transmit power, an electromagnetic clutch and an overrunning clutch are arranged at the initial power end of the roller shafts, and a signaling device and a photoelectric switch are arranged above the roller ways; the outlet end and the inlet end of the open section have the same structure;

the closed section comprises a heat insulation bottom plate, a heat insulation door, a heat insulation top plate, a suction fan, a circulating air duct, a moisture exhaust device, a heat source and a blower; the heat-insulating bottom plate, the heat-insulating door and the heat-insulating top plate form a closed structure, the heat-insulating bottom plate, the heat-insulating door and the heat-insulating top plate are internally composed of a plurality of layers of roller ways, the roller shafts of all the layers are uniformly distributed, double chain wheels are installed on shaft heads of adjacent roller shafts to transmit power alternately, a circulating air duct is arranged at the top of each roller shaft, a suction fan and a blower are respectively arranged at an inlet and an outlet of each circulating air duct, the top of each circulating air duct is communicated with a moisture exhaust device, an air outlet.

The further technical scheme is as follows: the forming machine comprises a forming support, a forming pressing plate, a lower forming belt, lower layer fiber cloth, gypsum slurry, a forming cutter, upper layer fiber cloth, an upper forming belt, an inclination angle adjusting device, a lifting adjusting device, a pressing cylinder and a gypsum board;

a gypsum board forming platform is arranged on the forming support, the lower forming belt passes through the surface of the forming platform, and the lower layer of fiber cloth is tightly attached to the bottom surface of the concave groove of the lower forming belt; the forming press plate and the forming platform are parallel and keep a gap, the upper forming belt tightly surrounds the lower bottom plane of the forming press plate, the upper layer of fiber cloth is tightly attached to the lower surface of the upper forming belt, and the gap between the upper forming belt and the lower forming belt is equal to the thickness of the gypsum board;

the forming pressing plate is made of stainless steel and is wear-resistant and corrosion-resistant, the lower bottom surface is a plane, the longitudinal width of the lower bottom surface is equal to the distance between two inner side edges of the U-shaped upper forming belt, the left end of the forming pressing plate is provided with an inclined plane, the upper side of the inclined plane is fixedly connected with an inclination angle adjusting device, and the other end of the inclination angle adjusting device is fixed to the top end of the lifting adjusting device.

The further technical scheme is as follows: the lower molding belt is a concave groove belt, two inner side edges of a concave groove are vertical, the vertical height is larger than the thickness of the gypsum board, and the width of the concave groove is equal to the width of the gypsum board; the upper forming belt is a U-shaped belt, two inner side edges and two outer side edges of the U shape are vertical, and the distance between the two outer side edges is equal to the width of the gypsum board;

the shaping sword is the blade column structure of two parallels, and parallel distance equals the width in shaping belt concave groove down, and the mutual position relation of two blades is fixed through the link in blade top, and lower cutting edge part is the level form, hugs closely down the both sides face base in the shaping belt concave groove respectively.

The further technical scheme is as follows: the lifting adjusting device is in a square frame shape, the upper end of the forming pressing plate is fixedly connected to the top end in the frame of the lifting adjusting device, the lower end of the lifting adjusting device is fixed to the forming support below the lower forming belt, the left frame and the right frame of the lifting adjusting device are supporting beams, the height adjusting module of the lifting adjusting device is arranged on the supporting beams, and the pressing cylinder is connected with the height adjusting module.

Drawings

FIG. 1 is a production process diagram of the present invention;

FIG. 2 is a structural view of a batching and stabilizing feeder;

FIG. 3 is a view showing the construction of the installation of the fiber cloth;

FIG. 4 is a view showing a structure of a fiber cloth supply;

FIG. 5 is a structural view of a molding machine;

FIG. 6 is a view of the lower forming belt;

FIG. 7 is a view of the upper molding belt;

FIG. 8 is a schematic view of a gypsum board press forming;

FIG. 9 is a view showing the construction of a pre-heat cure and follow-up cutter;

FIG. 10 is a left side view structural view of the pre-heat cure and follow-up cutter;

FIG. 11 is a structural view of a dryer;

fig. 12 is a block diagram of a dryer closing section.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

A production process of a fiber cloth-coated gypsum board comprises the following process flows as shown in figure 1:

step 1: a batching and material stabilizing supply process, namely, stably conveying the gypsum powder into a mixing screw conveyor 108 according to the required proportional dosage, conveying the chopped glass fibers and the dry additive into the mixing screw conveyor 108 according to the required proportional dosage, and uniformly mixing the chopped glass fibers and the dry additive with the gypsum powder and then conveying the mixture into a stirrer 109; directly conveying the liquid additive and water into a stirrer 109 according to the required proportion, and stirring the liquid additive and the water together with gypsum powder, chopped glass fibers and dry additive into gypsum slurry; the upper and lower layers of fiber cloth are respectively connected with a deviation rectifying machine and then are installed on a forming machine.

Step 2: and a gypsum board forming process, wherein gypsum slurry in the stirrer flows onto the lower layer fiber cloth 204 on the bottom surface of the U-shaped groove of the lower forming belt 203 of the forming machine, the lower forming belt 203 drives the gypsum slurry to move through the upper forming belt 208 and the upper layer fiber cloth 207 below the forming press plate 202, the fiber cloth is extruded and formed to cover the gypsum board under the upper and lower plane pressure, and the upper and lower fiber cloths are respectively adhered to the upper and lower surfaces of the gypsum board.

And step 3: preheating curing and follow-up cutting process, the gypsum board of initial set gets into curing box 301 in, through hot steam blowing heating and heater radiant heating, the gypsum board solidification is accelerateed, and then gets into follow-up cutting machine scaling-off, and the gypsum board after cutting off is through accelerating the quick transportation of belt feeder.

And 4, step 4: and in the drying process, the gypsum board enters the lifting distributor through the first transverse conveyor and is conveyed into each layer of the dryer to be dried, hot air enters the circulating air duct for moisture removal treatment during drying, the dried air after moisture removal is heated again and then conveyed back to the dryer, and the hot water vapor after moisture removal is recovered and conveyed into the curing box 301 for heating and curing the gypsum board.

And 5: and a dry board treatment process, wherein the dried gypsum boards are conveyed to a laminating machine through a second transverse conveyor to be laminated, so that the use surfaces of each group of gypsum boards are oppositely buckled and stacked together.

Step 6: and packaging and storing, namely stacking the laminated gypsum boards through a stacking system, fixing the gypsum boards by a binding machine, covering a film and winding the gypsum boards, and warehousing and storing.

The gypsum powder in the step 1 comprises semi-hydrated gypsum powder, high-strength gypsum powder, mixed gypsum powder and high-temperature gypsum powder; the raw materials for producing the gypsum board comprise gypsum powder, chopped glass fibers, dry additives, liquid additives, water and fiber cloth, and the proportion of the raw materials is determined according to the technical requirements of the gypsum board; the method has the advantages that the weight loss mode is adopted for conveying and metering, the input quantity is accurately and adjustably controlled, the material property of the gypsum board can be adjusted by controlling the additive quantity, and the method is suitable for various process formulas which take semi-hydrated gypsum powder, high-strength gypsum powder, mixed gypsum powder, high-temperature gypsum powder and the like as raw materials.

The stable material supply in the step 1 comprises four raw materials, and the supply process is as follows:

firstly, steady gypsum powder is supplied, gypsum powder in a gypsum raw material bin 107 is conveyed into a screw conveyor 102 through a lifting machine 101, the screw conveyor 102 is provided with two outlets, the first outlet is arranged at a position close to an inlet of the screw conveyor, a distributor chute at the upper end of a belt scale 103 is connected, the second outlet is connected with a buffer bin 104, the gypsum powder conveyed into the screw conveyor 102 by the lifting machine 101 firstly reaches the first outlet to feed the belt scale, the belt scale 103 feeds the gypsum powder to a mixing screw conveyor 108 in a quantitative manner, then conveying the gypsum powder into a stirrer 109, when the production line demand is exceeded, filling a first outlet after the gypsum powder is filled in a chute of a distributor above a belt scale, conveying the redundant gypsum powder to a second outlet of the spiral conveyor 102 through the first outlet to enter a buffer bin 104, and returning the material entering the buffer bin 104 into a gypsum raw material bin 107 through a rotary discharger 105 and a feed-back spiral conveyor 106 at the lower part; if the gypsum powder supplied by the elevator 101 is less than the demand of the production line, the gypsum powder stored in the chute of the distributor of the belt weigher is stably supplied for a certain time, and the stable supply time is determined according to the capacity of the chute of the distributor; the whole process is a closed-loop material stabilizing system, and the process realizes both a material stabilizing function and an even stirring function.

Second, the chopped glass fibers and drying additives are stably supplied: the chopped glass fibers and the dry additive are respectively and quantitatively and directly supplied into the mixing screw conveyor 108 through the metering conveyor, are uniformly mixed with the gypsum powder and are conveyed into the stirrer 109; compared with the using amount of gypsum powder, the using amount proportion of the chopped glass fibers and the dry additive is very small, a standby feeding bin for the chopped glass fibers and the dry additive is not needed, and the capacity of the feeding bin is only increased.

Third, stable supply of liquid additives and water: the liquid additive and water are quantitatively and directly supplied into the stirrer 109 through a metering delivery valve, and are mixed and stirred with gypsum powder, chopped glass fibers and dry additive to form gypsum slurry; the dosage proportion of the liquid additive is very small, and the capacity of the feeding bin is only required to be increased.

Fourthly, the fiber cloth is stably supplied: an upper layer fiber cloth and a lower layer fiber cloth are respectively arranged on the fiber cloth stable supply system 11 and are flatly arranged between the upper forming belt and the lower forming belt, wherein the lower layer fiber cloth 204 is arranged on the bottom surface of a U-shaped groove of the lower forming belt 203, and the upper layer fiber cloth 207 is tightly attached to the upper forming belt 208 below the forming press plate 202; for stable supply of the fiber cloth, the fiber cloth stable supply system 11 is respectively provided with spare fiber cloth rollers 115 for supplying spare upper and lower fiber cloth.

The step 3 has the advantages that: before the gypsum board is cut in a fixed size, the cutting effect can be ensured only when the gypsum board reaches a certain solidification strength, for a high-speed production line, if a traditional natural solidification process is adopted, the length of the solidification line before the cutting process is too long, so that equipment placement is not facilitated, the heating and solidification process is increased, the solidification speed of the gypsum board can be greatly increased, and the length of the production line before the fixed size cutting is reduced; and part of heat sources required by heating and curing and waste heat of the drying process are collected and reused.

A production device of a fiber cloth coated gypsum board comprises a batching and stabilizing material feeder, a forming machine, a preheating curing and follow-up cutting machine, a drying machine, a dry board processing device and a packaging and storing device.

Batching and steady material feeder as shown in figure 2 includes: the device comprises a lifter 101, a screw conveyor 102, a belt scale 103, a buffer bin 104, a rotary discharger 105, a return screw conveyor 106, a gypsum raw material bin 107, a mixing screw conveyor 108, a stirrer 109 and a fiber cloth stable supply system 11;

a lower end feeding hole of the lifting machine is formed in a gypsum raw material bin 107, an upper end discharging hole of the lifting machine is communicated with a feeding hole of a screw conveyor 102, the screw conveyor 102 is provided with a first outlet and a second outlet, the first outlet is communicated with a distributor chute at the upper end of a belt scale 103, and the second outlet is communicated with a buffer bin 104; the outlet at the lower end of the belt scale 103 is communicated with the feed inlet of the mixing screw conveyor 108, and the discharge outlet of the mixing screw conveyor 108 is communicated with the stirrer 109; the buffer bin 104 is communicated with a feed inlet of a return screw conveyor 106 through a rotary discharger 105, and a discharge outlet of the return screw conveyor 106 is communicated with a gypsum raw material bin 107;

the stable fiber cloth supply system 11 is provided with two sets, one set is provided with an upper layer of fiber cloth, the other set is provided with a lower layer of fiber cloth, the two sets have the same structure, and as shown in fig. 3 and 4, the stable fiber cloth supply system comprises a fiber cloth roller 111, a bracket 112, a deviation adjusting device 113, a magnetic powder brake 114, a spare fiber cloth roller 115 and a deviation rectifying machine 116; the fiber cloth roller 111 is arranged on a bracket 112, the bottom of the bracket on the left side is provided with an offset adjusting device 113, and the right shaft end of the fiber cloth roller 111 extends out of the bracket on the right side and is in transmission connection with a magnetic powder brake 114; the spare fiber cloth roller 115 is arranged in the same way as the fiber cloth roller 111, and the fiber cloth on the fiber cloth roller 111 and the spare fiber cloth roller 115 is connected with a deviation corrector 116.

The molding machine includes: the gypsum board forming device comprises a forming support 201, a forming press plate 202, a lower forming belt 203, a lower layer fiber cloth 204, gypsum slurry 205, a forming knife 206, an upper layer fiber cloth 207, an upper forming belt 208, an inclination angle adjusting device 209, a lifting adjusting device 210, a pressing air cylinder 211 and a gypsum board 212;

the structure of the lower forming belt 203 is shown in fig. 6 and is a concave groove belt, two inner side edges of a concave groove are vertical, the vertical height is larger than the thickness of the gypsum board 212, and the width of the concave groove is equal to the width of the gypsum board 212; the upper forming belt 208 is a U-shaped belt, as shown in fig. 7, and the two inner sides and the outer sides of the U-shape are vertical, and the distance between the two outer sides is equal to the width of the gypsum board 212;

a gypsum board forming platform is arranged on the forming support 201, the lower forming belt 203 passes through the surface of the forming platform, and the lower layer fiber cloth 204 is tightly attached to the bottom surface of the concave groove of the lower forming belt 203; the forming press plate 202 and the forming platform are parallel and keep a gap, the upper forming belt 208 tightly surrounds the lower bottom plane of the forming press plate 202, the upper layer fiber cloth 207 is tightly attached to the lower surface of the upper forming belt 208, and the gap between the upper forming belt 208 and the lower forming belt 203 is equal to the thickness of the gypsum board;

the forming press plate 202 is made of stainless steel and is wear-resistant and corrosion-resistant, the lower bottom surface is a plane, the longitudinal width of the lower bottom surface is equal to the distance between two inner side edges of the U-shaped upper forming belt, the left end of the forming press plate 202 is provided with an inclined surface, the upper side of the inclined surface is fixedly connected with an inclination angle adjusting device 209, and the other end of the inclination angle adjusting device 209 is fixed at the top end of the lifting adjusting device 210;

the lifting adjusting device 210 is in a square frame shape, the upper plane of the forming pressing plate 202 is fixedly connected to the top end in the frame of the lifting adjusting device 210, the lower end of the lifting adjusting device 210 is fixed to the middle of the forming support 201 below the lower forming belt 203, the left frame and the right frame are supporting beams and are respectively located on two sides of the forming support 201 to form enclosure of the forming platform, the forming pressing plate, the upper forming belt and the lower forming belt, a height adjusting module of the lifting adjusting device 210 is arranged on the supporting beams, and the pressing cylinder 211 is connected with the height adjusting module;

the forming knife 206 is a two-piece parallel blade-shaped structure, the parallel distance is equal to the width of the concave groove of the lower forming belt 203, the top end of the blade fixes the mutual position relationship of the two blades through the connecting frame, and the lower blade part is horizontal and clings to the bottom edges of the two side surfaces in the concave groove of the lower forming belt 203 respectively.

As shown in fig. 9 and 10, the preheating curing and follow-up cutting machine includes: a curing box 301, a heater 302, a hot air pipe 303, a sawing bracket 304, a roller 305, a track 306, a servo motor 307, a follow-up part device 308, a reciprocating part device 309 and a sawing part device 310; the curing box 301 is a box body which is closed up and down and is through left and right, a heater 302 is arranged in the box body, and a hot air pipe 303 is arranged on an opening on the box wall; a left-right track 306 is arranged on the sawing support 304, and a follow-up part 308 is arranged on the track 306 and connected with a servo motor 307; the reciprocating part 308 is arranged on the follow-up part 308, the saw cutting part 310 is arranged below the follow-up part 309 and is positioned on the upper side of the gypsum board 212, and the gypsum board 212 is transported by the roller 305;

the follow-up part 308 is a bracket which reciprocates left and right along the track 306 under the drive of a servo motor 307, and the upper end of the bracket is provided with a transverse guide rail;

the reciprocating part 309 is a moving device which is arranged on a transverse guide rail at the upper end of the follow-up part 308, the moving device has the capability of reciprocating along the transverse guide rail, and a sawing part 310 is arranged at the lower end;

the sawing part assembly 310 is a saw blade and an expansion bracket which are connected with a rotating motor, and the expansion bracket is connected with the sawing part assembly 310 and a reciprocating part assembly 308; the telescopic device arranged on the telescopic frame comprises but is not limited to a pneumatic lifting device, a hydraulic lifting device and a lead screw lifting device.

As shown in fig. 11, the dryer includes an open section inlet 401, a closed section 402, and an open section outlet 403;

the open section inlet end 401 is composed of a plurality of layers of roller ways, the roller shafts of each layer are uniformly distributed, double chain wheels are arranged on shaft heads of adjacent roller shafts to alternately transmit power, an electromagnetic clutch and an overrunning clutch are arranged at the initial power end of each roller shaft, and a signaling device and a photoelectric switch are arranged above the roller ways; the outlet 403 of the open section has the same structure as the inlet;

the structure of the closing section 402 is shown in fig. 11, and includes a heat-insulating bottom plate 421, a heat-insulating door 422, a heat-insulating top plate 423, a suction fan 424, a circulating air duct 425, a moisture exhausting device 426, a heat source 427, and a blower 428; the heat-insulating bottom plate, the heat-insulating door and the heat-insulating top plate form a closed structure, the interior of the heat-insulating bottom plate, the heat-insulating door and the heat-insulating top plate is formed by a plurality of layers of roller ways, the roller shafts of all the layers are uniformly distributed, double chain wheels are mounted on shaft heads of adjacent roller shafts for alternately transmitting power, a circulating air duct is arranged at the top of the heat-insulating bottom plate, a suction fan 424 and a blower 428 are respectively arranged at an inlet and an outlet of the circulating air duct 425, the top of the circulating air duct is communicated with a moisture exhaust device 426, an air outlet of.

Detailed description of the preferred embodiment

The batching and material stabilizing feeder is shown in fig. 2-4, the working process of material stabilizing feeding comprises the supply processes of four raw materials, namely stable supply of gypsum powder, stable supply of chopped glass fiber and dry additive, stable supply of liquid additive and water and stable supply of fiber cloth.

The stable material supply process of the gypsum powder: gypsum powder in a gypsum raw material bin 107 is conveyed into a spiral conveyor 102 through a lifting machine 101, the spiral conveyor 102 is provided with two outlets, the first outlet is connected with a distributor chute at the upper end of a belt scale 103, the second outlet is connected with a buffer bin 104, the gypsum powder supplied into the spiral conveyor 102 by the lifting machine 101 is firstly fed for the belt scale 103 through the first outlet, the belt scale 103 is used for quantitatively supplying gypsum powder for a mixing spiral conveyor 108, when the demand of a production line is exceeded, the distributor chute above the belt scale 103 is filled with gypsum powder, and the redundant gypsum powder is conveyed to the second outlet of the spiral conveyor 102 to enter the buffer bin 104; if the gypsum powder supplied by the elevator 101 is less than the demand of the production line, the standby gypsum powder stored in the chute of the distributor of the belt scale 103 provides stable supply for a certain time, the stable supply time is determined according to the capacity of the chute of the distributor, and the material entering the buffer bin 104 returns to the gypsum raw material bin 107 through the rotary discharger 105 and the return screw conveyor 106 at the lower part to form a closed-loop material stabilizing system.

The stable supply process of the chopped glass fiber and the drying additive comprises the following steps: short glass fibers and dry additives are lifted into temporary storage bins of a batching platform through equipment such as an electric hoist, and a pneumatic arch breaking device is used at the bottom of each temporary storage bin to prevent materials from bridging in the bins; at the time of addition, the gypsum powder is quantitatively supplied into the mixing screw conveyor 108 by the metering conveyor, uniformly mixed with the gypsum powder, and conveyed into the mixer 109.

Liquid additive and water stable supply process: the liquid additive and water are quantitatively supplied into the mixer 109 through the metering delivery valves, and mixed with the gypsum powder, the chopped glass fibers, and the dry additive to form gypsum slurry.

Stable supply of fiber cloth: when the gypsum board is formed, a layer of fiber cloth is laid on the upper surface and the lower surface respectively, the fiber cloth is high in elasticity and easy to deviate, and two sets of same fiber cloth stable supply systems 11 are arranged to supply the upper fiber cloth and the lower fiber cloth respectively; the stable fiber cloth supply system 11 comprises a fiber cloth roller 111, a bracket 112, a deviation adjusting device 113, a magnetic powder brake 114, a standby fiber cloth roller 115 and a deviation rectifying machine 116; the fiber cloth roller 111 is arranged on the bracket 112, the bracket 112 has large weight after being provided with fiber cloth, if the fiber cloth roller 111 has offset error during installation, the fiber cloth roller 111 is finely adjusted in height and angle through the offset adjusting device 113, so the base of the bracket 112 needs to be provided with the offset adjusting device 113; the fiber cloth roller 111 is connected with the magnetic powder brake 114, so that uniform traction force of the fiber cloth can be ensured, and the cloth roller rotates at a constant speed to supply cloth; the fiber cloth is connected with the deviation rectifying machine 116, because the fiber cloth has larger elasticity, the deviation is easy to occur when the fiber cloth is dragged for cloth supply, and if the deviation rectifying machine 116 is not used, the machine is stopped and the deviation rectifying machine is manually rectified when the deviation is too large; the carriage 112 is provided with a backup fiber cloth roll 115, and when the fiber cloth on the used cloth roll is used up or the fiber cloth breaks down, the backup fiber cloth can be quickly replaced without stopping the machine.

The working process of the forming machine is shown in fig. 5, and comprises a forming support 201, a forming press plate 202, a lower forming belt 203, a lower layer fiber cloth 204, gypsum slurry 205, a forming knife 206, an upper layer fiber cloth 207, an upper forming belt 208, an inclination angle adjusting device 209, a lifting adjusting device 210, a pressing air cylinder 211 and a gypsum board 212.

And in the fiber cloth setting process, the lower layer of fiber cloth 204 is arranged on the bottom surface of the concave groove of the lower forming belt 203, and the upper layer of fiber cloth 207 is arranged on the bottom surface of the upper forming belt 208 tightly attached to the lower surface of the forming press plate 202.

After being extruded out of the mixer, the gypsum slurry 205 which is uniformly mixed and stirred falls on the lower layer fiber cloth 204 of the bottom surface of the concave groove of the lower forming belt 203, a section of vibration platform is arranged at the lower part of the belt, the slurry is evenly spread on the forming belt under the action of the exciting force and then reaches the upper forming belt 208 below the forming press plate 202, the bottom surface of the upper forming belt 208 is extruded into the concave groove of the lower forming belt 203, the middle gypsum slurry is extruded into a plane shape, and the gypsum slurry, the upper fiber cloth and the lower fiber cloth are continuously pulled out along with the running slurry of the belt and are gradually solidified on the belt to form a gypsum board with a fiber cloth coating.

The purpose of the concave groove structure of the lower forming belt 203 is that the fiber gypsum board has no edge sealing process of the protective paper of the paper gypsum board, therefore, if the lower forming belt is a plane belt, when the gypsum slurry is extruded on the upper and lower forming belts, slurry easily enters the forming platform of the forming support 201 and above the forming press plate, is very difficult to clean, and the molding quality of the two sides of the fiber gypsum board is not good, so the concave two-side flanges are matched with the lower bottom surface of the upper molding belt, as shown in fig. 8, the upper and lower closed structures formed by the flanges at the two sides and the lower bottom surface of the upper forming belt effectively prevent slurry from leaking to the upper part of the forming platform and the upper forming belt, i.e. the upper part of the forming press plate, the inner side surfaces of the two flanges of the concave groove are vertical, so that the vertical precision of the edge of the gypsum board is ensured, and the outer side surfaces are outwards inclined, so that the side flanges can bear larger transverse extrusion force; go up the forming belt and be U type groove structure, in the concave groove of forming belt was stretched into down to the bottom surface, the side of U type outside concave groove, can further prevent the top that the ground paste that the part was revealed got into the shaping clamp plate, processes the recess simultaneously on last belt regulating roll to the U type side of forming belt is gone up in the matching.

The forming press plate 202 is connected with a lifting adjusting device 210, the lifting adjusting mechanism mainly comprises a screw rod and a guide rod, and the height of the forming press plate is lifted by manually or electrically driving the screw rod, so that the gap between the upper forming belt and the lower forming belt is adjusted, and the aim of adjusting the thickness of the gypsum board is fulfilled; lifting adjusting device 210 is connected with compressing tightly cylinder 211, and after the shaping clamp plate was adjusted and is accomplished, compressing tightly cylinder 211 action and compressing tightly lifting adjusting device 210's regulating wheel, stability and fastness after guaranteeing the clearance adjustment avoid the operation in-process clearance size to produce little change.

The inclination adjusting device 209 is mainly composed of a screw rod and a guide rod, and can adjust the inclination of the left inclined plane of the molding press plate 202, so that the upper molding belt 208 and the lower bottom surface of the molding press plate 202 are tightly attached after the height of the molding press plate 202 is adjusted.

The working process of the preheating solidification and follow-up cutting machine is that the preheating solidification part comprises a solidification box 301, a heater 302 and a hot air pipe 303; fibrous gypsum board is carried into curing box 301 by roller 305, and the inside heater 302 of box heats the gypsum board, and hot-blast main 303 blows in hot-blast simultaneously and heats the gypsum board, promotes the gypsum board solidification to reach the cutting requirement as early as possible to shorten the length of gypsum board transportation line, otherwise, because the play board speed of gypsum board is invariable, if rely on the natural setting, must lengthen gypsum board transportation length, guarantee the setting time of gypsum board.

The follow-up cutting part comprises a sawing bracket 304, a roller 305, a track 306, a servo motor 307, a follow-up part device 308, a reciprocating part device 309 and a sawing part device 310; the gypsum board is required to be cut into a standard size, therefore, after the gypsum board reaches a set length, the follow-up portion 308 moves synchronously with the gypsum board on the roller 305 under the driving of the servo motor 307 along the guide rail 306, at the moment, the saw cutting portion 310 is relatively static with a saw cutting route, a saw blade moves along a transverse guide rail on the follow-up portion 308 under the driving of the round-trip portion 309 along the saw cutting line direction to perform a saw board action, after the saw board action is completed, an expansion bracket of the saw cutting portion 310 is lifted, the saw cutting portion 310 returns to an initial position along the rail 306 and the transverse guide rail, the expansion bracket lowers the saw cutting portion 310, and after the gypsum board reaches the set length, the saw cutting is; because the fibre cloth has great pliability and elasticity, consequently adopt the mode of saw cutting, should not adopt the cutting knife mode.

The working process of the dryer comprises an open section inlet end 401, a closed section 402 and an open section outlet end 403, cut gypsum boards are conveyed to a board inlet roller way of a first transverse conveyor at a high speed through an acceleration belt conveyor, after the cut gypsum boards reach the end of the board inlet roller way, a photoelectric switch arranged at the end of the roller way sends a signal to stop the roller way, the gypsum boards are stopped and stabilized on the roller way, a roller way frame body integrally falls to a certain height under the driving of an electric or pneumatic connecting rod, the gypsum boards on the roller way frame body fall on a conveying belt, then the belt is started, the gypsum boards transversely move along with the belt, and after the gypsum boards move to a board turnover mechanism, the gypsum boards are turned over by a crank rocker mechanism in the horizontal direction by 180 degrees to enable the use surfaces of the gypsum boards to face upwards, and the gypsum boards are prevented from being polluted due to the contact with. After the two groups of plates are turned over, the two groups of plates enter a plate outlet roller way together, and then are distributed to each layer of roller way at the inlet end 401 of the open section of the dryer according to a certain rule through a lifting distribution machine.

An acceleration board following mechanism is arranged at the inlet end 401 of the open section, the distance between the front and rear groups of gypsum boards is kept at a small distance through automatic control of the rotating speed of the roller shafts at high and low speeds, the gypsum boards enter the closed section 402 of the dryer, hot air circulates among the gypsum boards in the closed section, free water in the gypsum boards is gradually taken out, and water vapor is discharged through a moisture discharging device in a circulating air duct, so that the aim of drying the gypsum boards is fulfilled; the open section outlet 403 is of the same construction as the open section inlet 401 and functions to transport the gypsum board to the dry board processing operation.

The dryer sealing section 402 comprises a heat-insulating bottom plate 421, a heat-insulating door 422, a heat-insulating top plate 423, a suction fan 424, a circulating air duct 425, a moisture exhausting device 426, a heat source 427 and a blower 428; the drying machine sealing section 402 realizes heating and drying of the gypsum board, wherein the warm bottom plate 421, the heat preservation door 422 and the heat preservation top plate 423 realize the overall heat preservation and energy saving effect, the suction fan 424 and the blowing air 428 realize that the air in the drying machine sealing section 402 circulates in the circulation air duct 425, the heat source 427 continuously heats the circularly flowing air in the circulation process, a large amount of water vapor is generated in the gypsum board drying process, the water vapor has high temperature, and is discharged to the hot air pipe 303 when passing through the moisture exhaust device 426 in the circulation process, and then enters the curing box 301 to cure and heat the gypsum board, and the dry air in the circulation air duct 425 enters the drying machine sealing section 402 after being heated by the heat source 427 to continuously heat and dry the gypsum board; the reason for air moisture removal is that the purpose of the closed section 402 of the dryer is to thoroughly dry the gypsum board, the air temperature and humidity are determining factors of the drying effect, a large amount of water vapor is generated in the drying process of the gypsum board, the drying of the gypsum board is not facilitated, the hot water vapor only plays a role in heating and curing the gypsum board in the curing box 301, the curing box 301 is not a fully-closed box body, hot water vapor wind in conventional production is often discharged as waste gas, and the waste gas is recycled, so that the energy-saving and emission-reducing waste utilization effect is achieved; the circulating air duct of the drying machine can be set into a plurality of circulating areas according to different production capacities of the production line.

After the drying process, the gypsum board enters a dry board treatment process. The gypsum boards pass through the second transverse conveyor, the movement direction of the gypsum boards is changed, the original longitudinal movement is changed into the transverse movement, so that the gypsum boards can be conveniently collected and processed, the second transverse conveyor conveys each group of gypsum boards to the sheet combining machine, and the use surfaces of each group of gypsum boards are buckled and stacked together, so that the pollution and the damage of the use surfaces in the transportation or use process are prevented.

After the gypsum boards are laminated, the gypsum boards enter a packaging and storing process, wherein the packaging and storing process comprises a stacking system, a binding machine and a film covering and winding process, and the gypsum boards are conveyed by a forklift into a warehouse for storage after the whole stack of gypsum boards is packaged.

The dry board processing equipment and the packaging and storing equipment adopt the existing general paper-surface plasterboard related equipment.

The advantages are that: the invention is suitable for a high-capacity fiber gypsum board production line and has the advantages of reasonable structure, good material stabilizing effect and high forming efficiency; the whole production line has compact structure and saves the occupied space; the developed functions of waste heat recovery and preheating solidification realize energy conservation and emission reduction, waste utilization and production cost reduction.

Claims (7)

1. The utility model provides a fibre cloth facing gypsum board production facility which characterized in that: comprises a material proportioning and stabilizing feeder, a forming machine, a preheating curing and follow-up cutting machine and a drying machine;

the preheating curing and follow-up cutting machine comprises a curing box (301), a heater (302), a hot air pipe (303), a sawing support (304), a roller shaft (305), a track (306), a servo motor (307), a follow-up part device (308), a reciprocating part device (309) and a sawing part device (310);

the curing box (301) is a box body which is closed up and down and is through left and right, a heater (302) is arranged in the box body, and a hot air pipe (303) is arranged on an opening on the wall of the box; a left-right track (306) is arranged on the sawing support (304), and a follow-up part (308) is arranged on the track (306) and connected with a servo motor (307); the reciprocating part (309) is arranged on the follow-up part (308), the saw cutting part (310) is arranged below the follow-up part (308) and is positioned on the upper side of the gypsum board (212), and the gypsum board (212) is transported by the roller (305).

2. A fiber cloth-faced gypsum board production apparatus according to claim 1, wherein: the follow-up part (308) is a bracket which reciprocates left and right along the track (306) under the drive of a servo motor (307), and the upper end of the bracket is provided with a transverse guide rail;

the reciprocating part device (309) is a moving device which is arranged on a transverse guide rail at the upper end of the follow-up part device (308), and the lower end of the reciprocating part device is provided with a saw cutting part device (310);

the sawing part (310) is a saw blade and a telescopic frame which are connected with a rotating motor.

3. A fiber cloth-faced gypsum board production apparatus according to claim 1, wherein: the batching and stabilizing feeder comprises a lifter (101), a screw conveyor (102), a belt scale (103), a buffer bin (104), a rotary discharger (105), a feed back screw conveyor (106), a gypsum raw material bin (107), a mixing screw conveyor (108), a stirrer (109) and a fiber cloth stable supply system (11);

a feed inlet at the lower end of the elevator (101) is communicated with a gypsum raw material bin (107), a discharge outlet at the upper end of the elevator (101) is communicated with a feed inlet of the screw conveyor (102), the screw conveyor (102) is provided with a first outlet and a second outlet, the first outlet is communicated with a distributor chute at the upper end of the belt scale (103), and the second outlet is communicated with the buffer bin (104); the outlet at the lower end of the belt scale (103) is communicated with the feed inlet of the mixing screw conveyor (108), and the discharge outlet of the mixing screw conveyor (108) is communicated with the stirrer (109); the buffer bin (104) is communicated with a feed inlet of a return screw conveyor (106) through a rotary discharger (105), and a discharge outlet of the return screw conveyor (106) is communicated with a gypsum raw material bin (107);

the fiber cloth stable supply system (11) is provided with two sets which are respectively provided with an upper layer of fiber cloth and a lower layer of fiber cloth, the two sets have the same structure and comprise a fiber cloth roller (111), a bracket (112), a deviation adjusting device (113), a magnetic powder brake (114), a spare fiber cloth roller (115) and a deviation rectifying machine (116); the fiber cloth roller (111) is arranged on the bracket (112), the bottom of the bracket on the left side is provided with the deviation adjusting device (113), and the right shaft end of the fiber cloth roller (111) extends out of the bracket on the right side and is in transmission connection with the magnetic powder brake (114); the spare fiber cloth roller (115) is arranged in the same way as the fiber cloth roller (111), and the fiber cloth on the fiber cloth roller (111) and the spare fiber cloth roller (115) is connected with a deviation rectifying machine (116).

4. A fiber cloth-faced gypsum board production apparatus according to claim 1, wherein: the dryer comprises an open section inlet end (401), a closed section (402) and an open section outlet end (403);

the open section inlet end (401) is composed of a plurality of layers of roller ways, the roller shafts of each layer are uniformly distributed, double chain wheels are arranged on the shaft heads of the adjacent roller shafts to alternately transmit power, an electromagnetic clutch and an overrunning clutch are arranged at the initial power end of the roller shafts, and a signaling device and a photoelectric switch are arranged above the roller ways; the outlet end (403) of the open section has the same structure as the inlet end;

the closed section (402) comprises a heat-insulating bottom plate (421), a heat-insulating door (422), a heat-insulating top plate (423), a suction fan (424), a circulating air duct (425), a moisture exhaust device (426), a heat source (427) and a blower (428); the heat preservation bottom plate, heat preservation door and heat preservation roof form closed structure, inside comprises a plurality of layers of roll table, the roll shaft structure advances end (401) roll shaft structure the same with open section, the top sets up the circulation wind channel, the import and the export in circulation wind channel (425) set up suction fan (424) and hair-dryer (428) respectively, circulation wind channel top intercommunication row of tide device (426), arrange air outlet intercommunication curing box (301) hot-blast main (303) of tide device (426), hair-dryer (428) inboard in circulation wind channel (425) sets up heat source (427).

5. A fiber cloth-faced gypsum board production apparatus according to claim 1, wherein:

the forming machine comprises a forming support (201), a forming press plate (202), a lower forming belt (203), a lower layer fiber cloth (204), gypsum slurry (205), a forming knife (206), an upper layer fiber cloth (207), an upper forming belt (208), an inclination angle adjusting device (209), a lifting adjusting device (210), a pressing cylinder (211) and a gypsum board (212);

a gypsum board forming platform is arranged on the forming support (201), a lower forming belt (203) passes through the surface of the forming platform, and a lower layer of fiber cloth (204) is tightly attached to the bottom surface of a concave groove of the lower forming belt (203); the forming press plate (202) and the forming platform are parallel and keep a gap, an upper forming belt (208) tightly surrounds the lower bottom plane of the forming press plate (202), an upper layer of fiber cloth (207) is tightly attached to the lower surface of the upper forming belt (208), and the gap between the upper forming belt (208) and the lower forming belt (203) is equal to the thickness of a gypsum board;

the forming press plate (202) is made of stainless steel materials, is wear-resistant and corrosion-resistant, the lower bottom surface is a plane, the longitudinal width of the lower bottom surface is equal to the distance between two inner side edges of an upper forming belt U-shaped belt, the left end of the forming press plate (202) is provided with an inclined surface, the upper side of the inclined surface is fixedly connected with an inclination angle adjusting device (209), and the other end of the inclination angle adjusting device (209) is fixed at the top end of a lifting adjusting device (210).

6. The apparatus for producing a fiber cloth-faced gypsum board according to claim 5, wherein: the lower forming belt (203) is a concave groove belt, two inner side edges of a concave groove are vertical, the vertical height is larger than the thickness of the gypsum board (212), and the width of the concave groove is equal to the width of the gypsum board (212); the upper forming belt (208) is a U-shaped belt, the two inner sides and the outer sides of the U-shaped belt are vertical, and the distance between the two outer sides is equal to the width of the gypsum board (212);

the forming cutter (206) is of a two-piece parallel blade-shaped structure, the parallel distance is equal to the width of a concave groove of the lower forming belt (203), the mutual position relation of the two blades is fixed at the top end of each blade through a connecting frame, and the lower blade part is in a horizontal shape and is respectively tightly attached to the bottom edges of two side faces in the concave groove of the lower forming belt (203).

7. The apparatus for producing a fiber cloth-faced gypsum board according to claim 5, wherein:

lifting adjusting device (210) are square frame type, and the upper end fixed connection of shaping clamp plate (202) is on lifting adjusting device (210) frame top, and lifting adjusting device's (210) lower extreme is fixed on shaping support (201) below lower shaping belt (203), and lifting adjusting device's (210) left and right frame is a supporting beam, and lifting adjusting device's (210) high adjusting module sets up on a supporting beam, compresses tightly cylinder (211) and connects high adjusting module.

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